Liquid consumption device

Abstract

A liquid consumption device has a tank having an inner space partitioned by an outer wall. The tank has a first inner wall which extends from the outer wall on a one side in a first direction perpendicular to an up-down direction. Further, the first inner wall partitions the inner space into a first space and a second space, which communicate with each other through a first communication hole formed on the first inner wall. A third space, which is partitioned by the first inner wall and the outer wall, and is located below a lowermost position of a surface defining the first communication hole when the tank takes a first attitude is configured to store a particular amount of liquid, which is stored in a fourth space in a state where the tank takes the usage attitude, the fourth space being a part of the second space.

What is claimed is: 
     
       1. A liquid consumption device, comprising:
 a tank having an inner spacepartitioned, by an outer wall, from outside, the inner space defined by a plurality of outer walls including a lower outer wall and an upper outer wall opposite to the lower outer wall, the inner space being externally accessible via an inletthrough which the inner space communicates with the outside of the tank,, in the upper outer wall, and via an outletthrough which the inner space communicates with the outside of the tank; and  
 a liquid consumption part connected to the outlet, wherein, in a usage attitude, the upper outer wall is a top wall of the tank,  
 wherein the tank has a first inner wall which extends, in a state where the tank takes a the usage attitude, from the a first outer wall of the plurality of outer walls in one direction corresponding to a first direction perpendicular to an up-down direction a vertical direction, 
 wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall unobstructedly facing the inletand having, the first inner wall defining in part a first communication hole through which the first space and the second space communicate with each other, and 
 wherein an entirety of the second space is, in the usage attitude, below an entirety of the first space,  
 wherein, the second space comprises a third space, which is partitioned defined in part by the first inner wall and the first outer wall and is located below a lowermost position of a surface partitioning portion of the first communication hole when the tank takes is positioned in a first non-usage attitude, which is defined as an attitude a first counterclockwise orientation of the tank when the tank taking the usage attitude is rotated in another direction opposite to the one direction corresponding to the first direction by an angle ranging from having been rotated counterclockwise about a horizontal axis by an angle from larger than 0 degree to 90 degrees about a rotation axis extending in a second direction which from the usage attitude, wherein the horizontal axis is perpendicular to both the up-down direction vertical direction and the first direction, is configured to store a particular amount of liquid, which is stored in a fourth space in a state where the tank takes the usage attitude, the fourth space being a part of the second space 
 wherein the second space further comprises, when in the usage attitude, a fourth space partially overlapping the third space and extending between the lower outer wall and the first inner wall, 
 wherein, when in the first counterclockwise orientation rotated counterclockwise from the usage attitude, the third space is configured to store a particular amount of liquid, 
 wherein, when in the usage attitude, the fourth space is configured to store the particular amount of liquid, 
 wherein the tank comprises a second inner wall connected to the first inner wall and extending downward, in a state where the tank takes the usage attitude, from the first inner wall adjacent to the first communication hole, 
 wherein the second inner wall partitions, in a state where the tank takes the first counterclockwise orientation, the second space into a fifth space on an upper side of the second inner wall and a sixth space on a lower side of the second inner wall, the second inner wall defining in part a second communication hole through which the fifth space and the sixth space communicate with each other, 
 wherein, where the tank takes a second non-usage attitude, which is defined as a second counterclockwise orientation of the tank when the tank is further rotated counterclockwise, from the usage attitude by an angle ranging from larger than 90 degrees to 180 degrees about the horizontal axis, a seventh space is defined in part by the first inner wall, the second inner wall, and the first outer wall, and is located below a lowermost portion of the second communication hole, 
 wherein, where the tank takes the second non-usage attitude, the seventh space is configured to store the particular amount of liquid, 
 wherein the tank comprises a third inner wall attached to the second inner wall and extending toward the first outer wall, 
 wherein the third inner wall is attached to the second inner wall and is adjacent the second communication hole, 
 wherein the third inner wall partitions the sixth space into an eighth space and a ninth space, the eighth space being on a first side of the third inner wall and the ninth space being defined in part by a second side of the third inner wall, the second inner wall, the first inner wall, and the first outer wall, 
 wherein the third inner wall defines in part a third communication hole through which the eighth space and the ninth space communicate with each other, 
 wherein, when in a third non-usage attitude, which is a third counterclockwise orientation of the tank when further rotated counterclockwise, from the usage attitude, by an angle ranging from larger than 180 degrees to 270 degrees about the horizontal axis, the ninth space includes a tenth space, which is defined in part by the first inner wall, the second inner wall, and the third inner wall, and is located below a lowermost portion of the third communication hole, and 
 wherein, when in the third non-usage attitude, the tenth space is configured to store the particular amount of liquid. 
 
     
     
       2. The liquid consumption device according to  claim 1 ,
 wherein the tank comprises a second inner wall which extends downward, in a state where the tank takes the usage attitude, from the first inner wall at a position on a side, in the other direction, with respect to the first communication hole,   wherein the second inner wall partitions, in a state where the tank takes the first attitude, the second space into a fifth space on an upper side of the second inner wall and a sixth space on a lower side of the second inner wall, the second inner wall having a second communication hole through which the fifth space and the sixth space communicate with each other, and   wherein, a seventh space which is partitioned by the first inner wall, the second inner wall and the outer wall and located below the lowermost position of a surface, of the second inner wall, partitioning the second communication hole in a state where the tank takes a second attitude which is defined as an attitude of the tank when the tank is further rotated in the other direction by an angle ranging from 90 degrees to 180 degrees about the rotation axis is configured to store the liquid which is stored in the fourth space in a state where the tank takes the usage attitude.   
     
     
       3. The liquid consumption device according to  claim 2 ,
 wherein the tank comprises a third inner wall which extends in the other direction from the second inner wall at a position above the second communication hole,   wherein the third inner wall partitions the sixth space into an eighth space and a ninth space, the eighth space being on the upper side and the ninth space being the lower side of the third inner wall in a state where the tank takes the usage attitude, the third inner wall having a third communication hole through which the eighth space and the ninth space communicate with each other, and   wherein a tenth space, which is partitioned by the first inner wall, the second inner wall, the third inner wall and the outer wall and located below a lowermost position of the surface, of the third inner wall, and partitions the third communication hole in a state where the tank takes a third attitude which is an attitude of the tank when rotated in the second direction by an angle ranging from 180 degrees to 270 degrees, is configured to store the liquid which is stored in the fourth space in a state where the tank takes the usage attitude.   
     
     
       4. The liquid consumption device according to  claim 1 , A liquid consumption device, comprising:
 a tank having an inner space, the inner space defined by a plurality of outer walls including a lower outer wall and an upper outer wall opposite to the lower outer wall, the inner space being externally accessible via an inlet, in the upper outer wall of the plurality of outer walls, and via an outlet; and 
 a liquid consumption part connected to the outlet, 
 wherein, in a usage attitude, the upper outer wall is a top wall of the tank, 
 wherein the tank has a first inner wall which extends, in a first direction, in a state where the tank takes the usage attitude, from a first outer wall of the plurality of outer walls toward a second outer wall,  
 wherein, in a state where the liquid consumption device tank takes the usage attitude, the first inner wall has an upper surface tilted downward toward the one direction from the outer wall that is inclined away from the upper outer wall as distance from the first outer wall increases, 
 wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall unobstructedly facing the inlet and spaced from the upper outer wall via the first space, the first inner wall at least partially defining a first communication hole through which the first space and the second space communicate with each other, 
 wherein, the second space comprises a third space, which is defined in part by the first inner wall and the first outer wall and is located below a lowermost portion of the first communication hole when the tank is positioned in a first non-usage attitude, which is defined as a first counterclockwise orientation of the tank having been rotated counterclockwise about a horizontal axis by an angle from larger than 0 degree to 90 degrees from the usage attitude, wherein the horizontal axis is perpendicular to a vertical direction, 
 wherein the second space further comprises, when in the usage attitude, a fourth space partially overlapping the third space and extending between the lower outer wall and the first inner wall, 
 wherein, when in the first counterclockwise orientation rotated counterclockwise from the usage attitude, the third space is configured to store a particular amount of liquid, and 
 wherein, when in the usage attitude, the fourth space is configured to store the particular amount of liquid. 
 
     
     
       5. The liquid consumption device according to claim  2   4 ,
 wherein the tank comprises a second inner wall connected to the first inner wall and extending downward, in a state where the tank takes the usage attitude, from the first inner wall adjacent to the first communication hole, 
 wherein the second inner wall partitions, in a state where the tank takes the first counterclockwise orientation, the second space into a fifth space on an upper side of the second inner wall and a sixth space on a lower side of the second inner wall, the second inner wall defining in part a second communication hole through which the fifth space and the sixth space communicate with each other, and 
 wherein, where the tank takes a second non-usage attitude, which is defined as a second counterclockwise orientation of the tank when the tank is further rotated counterclockwise, from the usage attitude by an angle ranging from larger than 90 degrees to 180 degrees about the horizontal axis, a seventh space is defined in part by the first inner wall, the second inner wall, and the first outer wall, and is located below a lowermost portion of the second communication hole, 
 wherein, where the tank takes the second non-usage attitude, the seventh space is configured to store the particular amount of liquid,  
 wherein, in a state where the liquid consumption device tank takes the usage attitude, the second inner wall has a side surface facing the one direction, the side surface tilted in the other direction toward a lower direction which is a lower direction in a state where the liquid consumption device takes the usage attitude first outer wall, and 
 wherein, in extending away from the first inner wall, the second inner wall is inclined toward the first outer wall. 
 
     
     
       6. The liquid consumption device according to claim  3   5 ,
 wherein the tank comprises a third inner wall attached to the second inner wall and extending toward the first outer wall, 
 wherein the third inner wall is attached to the second inner wall and is adjacent the second communication hole, and  
 wherein the third inner wall has a lower surface which is tilted upward toward the other direction, the upward direction being an upward direction in a state where the liquid consumption device takes the usage attitude that faces the lower outer wall and that is increasingly distant from the lower outer wall as the third inner wall extends away from the second inner wall. 
 
     
     
       7. The liquid consumption device according to claim  3   6 ,
 wherein the third inner wall has an upper surface, which is an upper surface of the third inner wall in a state where the liquid consumption device takes the usage attitude, tilted downward toward the other direction that extends downward, when the liquid consumption device takes the usage attitude, as the third inner wall extends away from the second inner wall. 
 
     
     
       8. The liquid consumption device according to  claim 1 ,
 wherein, in a state where the tank takes a fourth attitude which is defined as an attitude of the tank when the tank taking the usage attitude is rotated by an angle ranging from 0 degree to 90 degrees in the one direction about the rotation axis, the liquid stored in the fourth space in a state where the tank takes the usage attitude can be stored in an eleventh space which is a part of the inner space partitioned by the outer wall and defined as a space on the lower side with respect to the inlet in a state where the tank takes a fourth attitude.   
     
     
       9. The liquid consumption device according to claim  3   1 ,
 wherein the tank further comprises a fourth inner wall extending, from the second inner wall, in the other direction toward the first outer wall, the fourth inner wall being arranged, when the tank takes the usage attitude, on a lower side with respect to the first inner wall and on an upper side with respect to the third inner wall, and 
 wherein the fourth inner wall partitions the ninth space into a space on an upper side above the fourth inner wall, in a state where the tank takes the usage attitude, with respect to the fourth inner wall and a space on a lower side with respect to below the fourth inner wall, and defines in part a fourth communication hole being formed on the fourth inner wall through which the space on the upper side and the space on the lower side with respect to above the fourth inner wall and the space below the fourth inner wall communicating communicate with each other. 
 
     
     
       10. The A liquid consumption device according to  claim 3 , comprising:
 a tank having an inner space, the inner space defined by a plurality of outer walls including a lower outer wall and an upper outer wall opposite to the lower outer wall, the inner space being externally accessible, via an inlet, in the upper outer wall, and via an outlet; and 
 a liquid consumption part connected to the outlet, 
 wherein, in a usage attitude, the upper outer wall is a top wall of the tank, 
 wherein the tank has a first inner wall connected to the upper outer wall and which extends away from the upper outer wall and away from a first outer wall of the plurality of outer walls, 
 wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall unobstructedly facing and spaced from the inlet and spaced from the upper outer wall via the first space, the first inner wall at least partially defining a first communication hole through which the first space and the second space communicate with each other, 
 wherein the tank comprises a second inner wall connected to the first inner wall adjacent to the first communication hole and extending toward the lower outer wall, 
 wherein the second inner wall partitions the second space into a third space communicating with the first space via the first communication hole and a fourth space, 
 wherein the second inner wall at least partially defining a second communication hole through which the third space and the fourth space communicate with each other, 
 wherein, when the tank takes a first non-usage attitude, which is defined as a first clockwise orientation of the tank having been rotated clockwise about a horizontal axis by an angle from larger than 0 degrees to 90 degrees from the usage attitude, a particular amount of liquid is storable in a combination of the third space and fourth space, wherein the particular amount comprises a first amount storable in the third space and a second amount storable in the fourth space,  
 further havingwherein the tank comprises a fifththird inner wall extending in a lower direction, which is a lower direction in a statedownward, where the tank takes the usage attitude, away from the upper outer wall and away from the first outer wall, 
 wherein the fifth third inner wall partitions the first space into a twelfth fifth space in which the inlet is located and a thirteenth sixth space located on the one direction side, in the state where the tank takes the usage attitude, with respect to the twelfth space, further from the first outer wall than the fifth space, the fifth third inner wall having defining in part a fifth third communication hole through which the twelfth fifth space and the thirteenth sixth space communicate with each other, and 
 wherein, a fourteenth seventh space, which is partitioned by fifth is defined in part by the third inner wall, a second outer wall, and the upper outer wall, and is located below above a lowermost position of a surface of the fifth third inner wall defining in part the fifth third communication hole in a state where the tank takes a fifth the usage attitudewhich is an attitude when the tank taking the usage attitude is rotated in the one direction by an angle ranging from 90 degrees to 180 degrees about the rotation axis, 
 wherein the seventh space is configured to storeall the amount of liquid flows from the fourth space to the fourteenth space via the fifth space, when the tank is rotated in the one directionclockwise, about the rotationhorizontal axis, from the usagefirst non-usage attitude to the fifth attitudea second non-usage attitude, the first amount of the particular amount of liquid, and 
 wherein the second non-usage attitude is defined as a second clockwise orientation of the tank having been rotated clockwise about the horizontal axis by an angle from larger than 90 degrees to 180 degrees from the usage attitude. 
 
     
     
       11. The liquid consumption device according to  claim 10 ,
 wherein the third inner wall comprises a first portion attached to the upper outer wall and a second portion attached to the first portion, wherein the second portion is inclined away from the upper outer wall while extending away from the first portion, in a state where the tank takes the usage attitude, at least a lower part of the fifth inner wall is tilted in the one direction toward a lower end thereof, 
 wherein, in a state where the tank takes a sixth third non-usage attitude, which is an attitude a third clockwise orientation of the tank when the tank taking the usage attitude is rotated clockwise by an angle ranging from larger than 180 degrees to 270 degrees in the second direction, a fifteenth the upper outer wall and the third inner wall defined in part an eighth space within the seventh space, which is partitioned by the fifth inner wall and the outer wall and defined below a lowermost position of a surface of the fifth inner wall partitioning the fifth communication hole, can store the liquid which is stored in the fourteenth space in a state where tank takes the fifth attitude and 
 wherein the eight space is configured to store, when the tank is rotated from the second non-usage attitude to the third non-usage attitude, the liquid previously stored in the seventh space. 
 
     
     
       12. The liquid consumption device according to  claim 1 ,
 wherein a full level line is indicated on the first outer wall, the full level line being indicated on a lower side with respect to located below the first inner wall and representing a maximum amount of the liquid storable in the second space in the state where the tank takes the usage attitude, the amount of the liquid being the liquid stored in the second space below the full level line. 
 
     
     
       13. A liquid consumption device, comprising:
 a tank having an inner space partitioned, by defined by a plurality of outer wall, from outside, walls including a lower outer wall, an upper outer wall opposite to the lower outer wall, a first outer wall, and a second outer wall, the inner space being accessible, via an inlet through which the inner space communicates with the outside of the tank, in the upper outer wall and via an outlet through which the inner space communicates with the outside of the tank; and  
 a liquid consumption part connected to the outlet, 
 wherein, in a usage attitude, the upper outer wall is a top wall of the tank,  
 wherein the tank comprises, in a state where the tank takes a the usage attitude: 
 a sixth first inner wall extending, from the upper outer wall and toward the second outer wall, in one direction corresponding to a first direction perpendicular to an up-down direction, the sixth first inner wall partitioning the inner space into a twentieth first space in which adjacent to the inlet is included and a twenty-first second space in which adjacent to the outletis included, the sixth first inner wall being formed with a sixth defining in part a first communication hole through which the twentieth first space and the twenty-first second space communicate with each other; 
 a seventh second inner wall attached to and extending in another direction opposite to the one direction corresponding to the first direction from a portion which is a part of the sixth inner wall and on the other direction side with respect to the sixth communication hole, away from the first inner wall toward the first outer wall, the seventh second inner wall partitioning the twenty-first second space into a twenty-second third space on an upper side above the second inner wall and a twenty-third fourth space on a lower side with respect to below the seventh second inner wall, the seventh second inner wall being formed with a seventh defining in part a second communication hole through which the twenty-second third space and the twenty-third fourth space communicate with each other; 
 an eightha third inner wall arranged on a lower side ofbelow the seventhsecond inner wall and extending fromtoward the first outer wall in the other directionfrom the second outer wall, the eighththird inner wall partitioning the twenty-thirdfourth space into a twenty-fourthfifth space on an upper sideabove the third inner wall and a twenty-fifthsixth space on a lower side with respect tobelow the eighththird inner wall, the eighththird inner wall being formed with an eighthdefining in part a third communication hole through which the twenty-fourthfifth space and the twenty-fifthsixth space communicate with each other; 
 a ninth fourth inner wall extending downward from the eighth third inner wall at a position on the one direction side with respect to the eighth adjacent to the third communication hole, the ninth fourth inner wall partitioning the twenty-fifth sixth space into a twenty-sixth seventh space on the other direction side closer to the first outer wall and a twenty-seventh an eighth space on the one direction side with respect to the ninth inner wall closer to the second outer wall, the ninth fourth inner wall being formed with a ninth defining in part a fourth communication hole through which the twenty-sixth seventh space and the twenty-seventh eighth space communicate with each other; and 
 a tenth fifth inner wall extending in the one direction toward the second outer wall from the ninth fourth inner wall at a position on an upper side with respect to the ninth adjacent to the fourth communication hole, the tenth fifth inner wall partitioning the twenty-seventh eighth space into an twenty-eighth a ninth space on an upper side above the fifth inner wall and a twenty-ninth tenth space on a lower side with respect to the tenth inner wall, the tenth below the fifth inner wall, the fifth inner wall being formed with a tenth defining in part a fifth communication hole through which the twenty-eighth ninth space and the twenty-ninth tenth space communicate with each other, 
 wherein the first and second outer walls include, in a state where the tank takes the usage attitude, a full level line is indicated on the outer wall, line, the full level line representing a maximum amount of the liquid storable in the twenty-fifth space and below the eighth inner wall sixth space, 
 wherein, in a state where the tank takes a first non-usage attitude which is an attitude a first counterclockwise orientation of the tank when the tank taking the usage attitude is rotated by an angle ranging from larger than 0 degrees to 90 degrees in the other direction about an axis extending in a second direction, a thirtieth a horizontal axis, an eleventh space and a thirty-first twelfth space are capable of storing the liquid which is stored in a thirty-second thirteenth space below the full level line in the state where the tank takes the usage attitude,
 the thirtieth eleventh space being a space partitioned defined in part by the eighth third inner wall, the ninth fourth inner wall, and the tenth fifth inner wall and the outer wall and being located on a lower side with respect to a lowermost position of a surface of the tenth inner wall defining the tenth communication hole, below, with the tank in the first counterclockwise orientation, the fifth communication hole, and 
 a thirty-firstthe twelfth space being a space partitioneddefined in part by the seventh innerupper outer walland, the first outer wall, and a part lower than a lowermost position of a surface of the seventh inner wall defining the seventh communication holeportion of the second inner wall forming the second communication hole, 
 
 wherein, in a state where the tank takes a second non-usage attitude which is an attitude a second counterclockwise orientation of the tank when the tank taking the usage attitude is rotated in the other direction by counterclockwise 180 degrees about the axis extending in the second direction, the twenty-eighth horizontal axis, the ninth space and the twenty-second third space are capable of storing the liquid which is stored in the thirty-second thirteenth space in the state where the tank takes the usage attitude, and 
 wherein, in a state where the tank takes a third non-usage attitude which is an attitude a third counterclockwise orientation of the tank when the tank taking the usage attitude is rotated in the other direction counterclockwise by an angle ranging from larger than 180 degrees to 270 degrees about the axis extending in the second direction, the twenty-seventh horizontal axis, the eight space and a thirty-third fourteenth space are capable of storing the liquid stored in the thirty-second thirteenth space in a state where the tank takes the usage attitude, and 
 wherein the thirty-third space being a space fourteenth space is defined in part by the sixth first inner wall, and the seventh second inner wall, and the outer wall and located on the lower side with respect to a lowermost position of a surface of the seventh inner wall defining the seventh extends to the portion of the second inner wall forming the second communication hole. 
 
     
     
       14. The liquid consumption device according to  claim 13 , A liquid consumption device, comprising:
 a tank having an inner space defined by a plurality of outer walls including a lower outer wall, an upper outer wall opposite to the lower outer wall, a first outer wall, and a second outer wall, the inner space being accessible, via an inlet in the upper outer wall and via an outlet; and 
 a liquid consumption part connected to the outlet, 
 wherein, in a usage attitude, the upper outer wall is a top wall of the tank, 
 wherein the tank comprises, in a state where the tank takes the usage attitude:
 a first inner wall extending from the upper outer wall and toward the second outer wall, the first inner wall partitioning the inner space into a first space adjacent to the inlet and a second space adjacent to the outlet, the first inner wall defining in part a first communication hole through which the first space and the second space communicate with each other; 
 a second inner wall attached to and extending away from the first inner wall toward the first outer wall, the second inner wall partitioning the second space into a third space above the second inner wall and a fourth space below the second inner wall, the second inner wall defining in part a second communication hole through which the third space and the fourth space communicate with each other; 
 a third inner wall arranged below the second inner wall and extending toward the first outer wall from the second outer wall, the third inner wall partitioning the fourth space into a fifth space above the third inner wall and a sixth space below the third inner wall, the third inner wall defining in part a third communication hole through which the fifth space and the sixth space communicate with each other; 
 a fourth inner wall extending downward from the third inner wall adjacent to the third communication hole, the fourth inner wall partitioning the sixth space into a seventh space closer to the first outer wall and an eighth space closer to the second outer wall, the fourth inner wall defining in part a fourth communication hole through which the seventh space and the eighth space communicate with each other; and 
 a fifth inner wall extending toward the second outer wall from the fourth inner wall adjacent to the fourth communication hole, the fifth inner wall partitioning the eighth space into a ninth space above the fifth inner wall and a tenth space below the fifth inner wall, the fifth inner wall defining in part a fifth communication hole through which the ninth space and the tenth space communicate with each other, 
 
 wherein the first and second outer walls include, in a state where the tank takes the usage attitude, a full level line, the full level line representing a maximum amount of liquid storable in the sixth space, 
 wherein a first non-usage attitude is a first counterclockwise orientation of the tank when the tank taking the usage attitude is rotated by an angle ranging from larger than 0 degrees to 90 degrees about a horizontal axis, 
 wherein an eleventh space is defined in part by the third inner wall, the fourth inner wall, and the fifth inner wall and located below, with the tank in the first counterclockwise orientation, the fifth communication hole, and 
 wherein a twelfth space is defined in part by the upper outer wall, the first outer wall, and a portion of the second inner wall forming the second communication hole, 
 wherein a second non-usage attitude is a second counterclockwise orientation of the tank when the tank taking the usage attitude is rotated counterclockwise 180 degrees about the horizontal axis, 
 wherein a third non-usage attitude is a third counterclockwise orientation of the tank when the tank taking the usage attitude is rotated counterclockwise by an angle ranging from larger than 180 degrees to 270 degrees about the horizontal axis, 
 wherein a thirteenth space is defined in part by the first inner wall, and the second inner wall, and extends to the portion of the second inner wall forming the second communication hole,  
 wherein the tank further comprises an eleventh a sixth inner wall, a twelfth seventh inner wall and a thirteenth an eighth inner wall,
 the eleventh sixth inner wall being a wall located on a lower side with respect to the tenth located below the fifth inner wall and extending in the one direction from the outer wall, the eleventh toward the second outer wall from the first outer wall, the sixth inner wall partitioning the twenty-ninth tenth space into a thirty-fourth fourteenth space on an upper side and a thirty-fifth above the sixth inner wall and a fifteenth space on a lower side with respect to the eleventh below the sixth inner wall, the eleventh sixth inner wall being formed with an eleventh defining in part a sixth communication hole through which the thirty-fourth fourteenth space and the thirty-fifth fifteenth space communicate with each other; 
 
 the twelfth seventh inner wall being a wall extending downward from the eleventh sixth inner wall at a position on the other direction side with respect to the eleventh adjacent to the sixth communication hole, the twelfth seventh inner wall partitioning the thirty-fifth fifteenth space into a thirty-sixth sixteenth space on the one direction side and a thirty-seventh closer to the second outer wall and a seventeenth space on the other direction side with respect to the twelfth inner wall, the twelfth closer to the first outer wall, the seventh inner wall being formed with a twelfth defining in part a seventh communication hole through which the thirty-sixth sixteenth space and the thirty-seventh seventeenth space communicate with each other; and 
 the thirteenth eighth inner wall being a wall extending in the other direction from the twelfth inner wall at a position on an upper side with respect to the twelfth communication hole, the thirteenth from the seventh inner wall adjacent to the seventh communication hole and extending toward the first outer wall, the eighth inner wall partitioning the thirty-seventh seventeenth space into a thirty-eighth an eighteenth space on an upper side above the eighth inner wall and a thirty-ninth nineteenth space on a lower side with respect to the thirteenth inner wall, the thirteenth below the eighth inner wall, the eighth inner wall being formed with a thirteenth defining in part an eighth communication hole through which the thirty-eighth eighteenth space and the thirty-ninth nineteenth space communicate with each other. 
 
     
     
       15. The liquid consumption device according to  claim 14 ,
 wherein the eighthfurther comprising:  
 a ninth inner wall,extending from the second outer wall;  
 the nintha tenth inner wall extending from the ninth inner wall; and 
 the tenthan eleventh inner wall extending from the tenth inner wall, 
 wherein the ninth inner wall, the tenth inner wall, and the eleventh inner wall are arranged on an upper side with respect to the eleventh inner wall and on a lower side with respect to below the thirteenth eighth inner wall in the state where the tank takes the usage attitude. 
 
     
     
       16. A liquid tank for a liquid consumption device, comprising:
 an outer wall defining an inner space of the tank, the inner space being partitioned from an outside by the outer wall;   an inlet through which the inner space communicates with the outside of the tank; and   an outlet to which the liquid consumption device is connectable such that the inner space of the tank can communicate with the liquid consumption device;   a first inner wall which extends, in a state where the tank takes a usage attitude, from the outer wall in one direction in-corresponding to a first direction perpendicular to an up-down direction,   wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall unobstructedly facing the inlet and having a first communication hole through which the first space and second space communicate with each other, and   wherein, a third space, which is partitioned by the first inner wall and the outer wall and is located below a lowermost position of a surface partitioning the first communication hole in a state where the tank takes a first attitude which is defined as an attitude in a state the tank taking the usage attitude is rotated in another direction opposite to the one direction corresponding to the first direction by an angle ranging from 0 degree to 90 degrees about a rotation axis extending in a second direction which is perpendicular to both the up-down direction and the first direction, is configured to store a particular amount of liquid, which is stored in a fourth space in a state where the tank takes the usage attitude, the fourth space being a part of the second space.   
     
     
       17. A liquid consumption device, comprising:
 a tank having an inner space partitioned, by an outer wall, from outside, an inlet through which the inner space communicates with the outside of the tank, and an outlet through which the inner space communicates with the outside of the tank;   a liquid consumption part connected to the outlet,   wherein the tank has a first inner wall which extends, in a state where the tank takes a usage attitude, from the outer wall on one side in a first direction perpendicular to an up-down direction,   wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall having a first communication hole through which the first space and second space communicate with each other, and   wherein, a third space, which is partitioned by the first inner wall and the outer wall and is located below a lowermost position of a surface partitioning the first communication hole when the tank takes a first attitude which is defined as an attitude of the tank when the tank taking the usage attitude is rotated on another side in the first direction by an angle ranging from 0 degree to 90 degrees about a rotation axis extending in a second direction which is perpendicular to both the up-down direction and the first direction, is configured to store a particular amount of liquid, which is stored in a fourth space in a state where the tank takes the usage attitude, the fourth space being a part of the second space,   wherein the tank comprises a second inner wall which extends downward, in a state where the tank takes the usage attitude, from the first inner wall at a position on the other side of the first direction with respect to the first communication hole,   wherein the second inner wall partitions, in a state where the tank takes the first attitude, the second space into a fifth space on an upper side of the second inner wall and a sixth space on the lower side of the second inner wall, the second inner wall having a second communication hole through which the fifth space and the sixth space communicate with each other, and   wherein, a seventh space which is partitioned by the first inner wall, the second inner wall and the outer wall and located below the lowermost position of a surface, of the second inner wall, partitioning the second communication hole in a state where the tank takes a second attitude which is defined as an attitude of the tank when the tank is further rotated in the other direction by an angle ranging from 90 degrees to 180 degrees about the rotation axis is configured to store the liquid which is stored in the fourth space in a state where the tank takes the usage attitude.   
     
     
       18. A liquid tank for a liquid consumption device, comprising:
 an outer wall defining an inner space of the tank, the inner space being partitioned from an outside by the outer wall;   an inlet through which the inner space communicates with the outside of the tank; and   an outlet to which the liquid consumption device is connectable such that the inner space of the tank can communicate with the liquid consumption device;   a first inner wall which extends, in a state where the tank takes a usage attitude, from the outer wall on a one side in a first direction perpendicular to an up-down direction,   wherein the first inner wall partitions the inner space into a first space in which the inlet is located and a second space in which the outlet is located, the first inner wall having a first communication hole through which the first space and second space communicate with each other, and   wherein, a third space, which is partitioned by the first inner wall and the outer wall and is located below a lowermost position of a surface partitioning the first communication hole in a state where the tank takes a first attitude which is defined as an attitude in a state the tank taking the usage attitude is rotated on another side in the first direction by an angle ranging from 0 degree to 90 degrees about a rotation axis extending in a second direction which is perpendicular to both the up-down direction and the first direction, is configured to store a particular amount of liquid, which is stored in a fourth space in a state where the tank takes the usage attitude, the fourth space being a part of the second space,   wherein the tank comprises a second inner wall which extends downward, in a state where the tank takes the usage attitude, from the first inner wall at a position on the other side of the first direction with respect to the first communication hole,   wherein the second inner wall partitions, in a state where the tank takes the first attitude, the second space into a fifth space on an upper side of the second inner wall and a sixth space on the lower side of the second inner wall, the second wall having a second communication hole through which the fifth space and the sixth space communicate with each other, and   wherein, a seventh space which is partitioned by the first inner wall, the second inner wall and the outer wall and located below the lowermost position of a surface, of the second inner wall, partitioning the second communication hole in a state where the tank takes a second attitude which is defined as an attitude of the tank when the tank is further rotated in the other direction by an angle ranging from 90 degrees to 180 degrees about the rotation axis is configured to store the liquid which is stored in the fourth space in a state where the tank takes the usage attitude.