Dishwasher

Abstract

The present invention relates to a dish washer. The dish washer includes a plurality of water feeding channels ( 21, 22, 23 ) for feeding water to dishes received in a washing tub, a supply ( 103 ) channel for supplying water to the water feeding channels ( 21, 22, 23 ) and a rotary member ( 104, 4 ) disposed in the supply channel ( 103 ) such that the rotary member ( 104, 4 ) is raised while rotating along the supply channel, ( 103 ), when water is supplied to the supply channel ( 103 ), to communicate with at least one of the water feeding channels ( 21, 22, 23 ) to supply the water to the at least one of the water feeding channels ( 21, 22, 23 ), and is lowered while rotating along the supply channel ( 103 ), when the supply of water is interrupted.

1 . A dish washer comprising:
 a plurality of water feeding channels for feeding water to dishes received in a washing tub;   a supply channel for supplying water to the water feeding channels; and   a rotary member guided by the supply channel such that the rotary member is raised while rotating along the supply channel, when water is supplied to the supply channel, to communicate with at least one of the water feeding channels to supply the water to the at least one of the water feeding channels, and is lowered while rotating along the supply channel, when the supply of water to the supply channel is interrupted.   
   
   
       2 . The dish washer according to  claim 1 , wherein the water flows about the rotary member in the same direction. 
   
   
       3 . The dish washer according to  claim 1 , wherein the rotary member includes:
 a disc having an opening formed in a predetermined shape;   at least one upper protrusion formed at the top of the disc; and   at least one lower protrusion formed at the bottom of the disc.   
   
   
       4 . The dish washer according to  claim 3 , wherein the opening is formed in the disc such that the water flows about the rotary member in the supply channel in the same direction. 
   
   
       5 . The dish washer according to  claim 3 , wherein the at least one upper protrusion and the at least one lower protrusion have the same number as the water feeding channels. 
   
   
       6 . The dish washer according to  claim 5 , further comprising:
 a lower channel disposed at the bottom of the washing tub; and   a channel cover disposed at the top of the lower channel,   wherein the water feeding channels are defined between the lower channel and the channel cover.   
   
   
       7 . The dish washer according to  claim 6 , wherein the lower channel includes a plurality of grooves formed at the bottom of the washing tub. 
   
   
       8 . The dish washer according to  claim 7 , wherein the supply channel has a tip end communicating with the bottom of the washing tub, and the grooves are formed about the tip end of the supply channel in a radial fashion. 
   
   
       9 . The dish washer according to  claim 6 , wherein the channel cover has a shape corresponding to the lower channel. 
   
   
       10 . The dish washer according to  claim 9 , wherein the channel cover includes:
 a body part communicating with the supply channel, the body part having a rising guide, corresponding to the upper protrusion, for guiding the rotary member, such that the rotary member can be rotated, when the rotary member is raised, and   a plurality of blade parts communicating with the body part, the blade parts extending from the body part in a radial fashion.   
   
   
       11 . The dish washer according to  claim 10 , wherein the channel cover further includes:
 a partitioning member for partitioning the interior of the body part into a plurality of spaces communicating with the respective blade parts.   
   
   
       12 . The dish washer according to  claim 11 , wherein the opening communicates with at least one of the spaces, such that water is supplied into the at least one of the spaces, when the rotary member is raised. 
   
   
       13 . The dish washer according to  claim 10 , wherein the rising guide includes a rising protrusion corresponding to the upper protrusion. 
   
   
       14 . The dish washer according to  claim 13 , further comprising:
 a lowering guide disposed in the supply channel for guiding the rotary member, such that the rotary member can be rotated, when the rotary member is lowered.   
   
   
       15 . The dish washer according to  claim 14 , wherein the lowering guide includes a lowering protrusion corresponding to the lower protrusion. 
   
   
       16 . The dish washer according to  claim 15 , wherein the rising protrusion and the lowering protrusion are misaligned with each other. 
   
   
       17 . A dish washer comprising:
 a plurality of water feeding channels for feeding water to dishes;   a supply channel for supplying water to the water feeding channels;   a rotary member disposed in the supply channel such that the rotary member is raised along the supply channel, when water is supplied to the supply channel, and the rotary member is lowered along the supply channel, when the supply of water to the supply channel is interrupted, the rotary member having an opening communicating with a part of the water feeding channels when the rotary member is raised;   a first guide disposed above the rotary member for guiding the rotary member such that the rotary member can be raised while rotating; and   a second guide disposed below the rotary member for guiding the rotary member such that the rotary member can be lowered while rotating.   
   
   
       18 . The dish washer according to  claim 17 , wherein the rotary member includes:
 a disc having an opening;   at least one upper protrusion formed at the top of the disc, the at least one upper protrusion communicating with the first guide; and   at least one lower protrusion formed at the bottom of the disc, the at least one lower protrusion communicating with the second guide.   
   
   
       19 . The dish washer according to  claim 17 , wherein the second guide is formed at the surface where the supply channel is formed. 
   
   
       20 . The dish washer according to  claim 18 , wherein the at least one upper protrusion, the at least one lower protrusion, the first guide, and the second guide are arranged such that the rotary member can be rotated in the supply channel in one rotating direction. 
   
   
       21 . The dish washer according to  claim 18 , wherein the at least one upper protrusion, the at least one lower protrusion, the first guide, and the second guide are arranged such that the rotary member can be rotated in the supply channel at regular intervals. 
   
   
       22 . A dish washer comprising:
 a plurality of water feeding channels for feeding water to dishes;   a supply channel for supplying water to the water feeding channels;   a rotary member constructed such that the rotary member is raised along the supply channel, when water is supplied to the supply channel, and the rotary member is lowered along the supply channel, when the supply of water to the supply channel is interrupted, the rotary member having an opening communicating with a part of the water feeding channels when the rotary member is raised; and   a guide disposed above the rotary member for guiding the rotary member such that the rotary member can be raised while rotating by the surface contact between the guide and the top of the rotary member.   
   
   
       23 . The dish washer according to  claim 22 , wherein the rotary member includes:
 a disc having an opening, and   at least one upper protrusion formed along the circumference of the disc such that the at least one upper protrusion comes into surface contact with the guide.   
   
   
       24 . A dish washer comprising:
 a plurality of water feeding channels for feeding water to dishes;   a supply channel for supplying water to the water feeding channels;   a rotary member constructed such that the rotary member is raised along the supply channel, when water is supplied to the supply channel, and the rotary member is lowered along the supply channel, when the supply of water to the supply channel is interrupted, the rotary member having an opening communicating with a part of the water feeding channels when the rotary member is raised; and   a guide disposed below the rotary member, the guide being provided at the surface where the supply channel is formed, such that the flow of water is not disturbed, for guiding the rotary member such that the rotary member can be lowered while rotating.   
   
   
       25 . The dish washer according to  claim 24 , wherein the rotary member includes:
 a disc having an opening, and   at least one lower protrusion formed along the circumference of the disc such that the at least one upper protrusion comes into surface contact with the guide.   
   
   
       26 . The dish washer according to  claim 25 , wherein the guide has a surface for guiding the lower protrusion.