Pump unit for magnetically driving an article

Abstract

A pump unit for magnetically driving an article, including a main body, an article and a coil. The main body has an internal chamber. The article has a certain length and a configuration corresponding to a shape of the chamber. The article is reciprocally movably positioned in the chamber. The coil is wound around the main body and connected with a circuit. The circuit provides a current for the coil so as to drive the article to reciprocally move. The chamber of the main body communicates with two open ends of the main body. The pump unit further includes a first pair of one-way valve sections and a second pair of one-way valve sections. The first and second pairs of one-way valve sections are respectively disposed at two ends of the main body. When the article is reciprocally moved, a fluid can be only driven by the article to flow from a first position to a second position.

1 . A pump unit for magnetically driving an article, comprising: 
 a main body having an internal chamber, at least an outer circumference of the main body being disposed with or formed of a magnetically conductive material;    an article having a certain length and a configuration corresponding to a shape of the chamber, the article being reciprocally movably positioned in the chamber and drivable by magnetic force; and    a coil wound around the main body and connected with a circuit, the circuit providing a current for the coil so as to drive the article to reciprocally move.    
   
   
       2 . The pump unit for magnetically driving the article as claimed in  claim 1 , wherein the main body is selected from the group consisting of silicon steel, iron, amorphous material and permanent magnet.  
   
   
       3 . The pump unit for magnetically driving the article as claimed in  claim 1 , wherein the main body is a circular tubular body formed of a sheet body which is continuously wound to form the main body.  
   
   
       4 . The pump unit for magnetically driving the article as claimed in  claim 2 , wherein the main body is a circular tubular body formed of a sheet body which is continuously wound to form the main body.  
   
   
       5 . The pump unit for magnetically driving the article as claimed in  claim 1 , wherein the main body is a circular tubular body composed of multiple circular sleeves having different diameters and fitted with each other to form the main body.  
   
   
       6 . The pump unit for magnetically driving the article as claimed in  claim 2 , wherein the main body is a circular tubular body composed of multiple circular sleeves having different diameters and fitted with each other to form the main body.  
   
   
       7 . The pump unit for magnetically driving the article as claimed in  claim 1 , wherein the main body includes a circular tubular body and a magnetic conductor enclosing the circular tubular body.  
   
   
       8 . The pump unit for magnetically driving the article as claimed in  claim 7 , wherein the magnetic conductor is selected from the group consisting of silicon steel, iron, amorphous material and permanent magnet.  
   
   
       9 . The pump unit for magnetically driving the article as claimed in  claim 7 , wherein the magnetic conductor is formed of a sheet body continuously wound around the circular tubular body.  
   
   
       10 . The pump unit for magnetically driving the article as claimed in  claim 8 , wherein the magnetic conductor is formed of a sheet body continuously wound around the circular tubular body.  
   
   
       11 . The pump unit for magnetically driving the article as claimed in  claim 7 , wherein the magnetic conductor is composed of multiple circular sleeves with different diameters, the sleeves being sequentially fitted around the circular tubular body and fitted with each other.  
   
   
       12 . The pump unit for magnetically driving the article as claimed in  claim 8 , wherein the magnetic conductor is composed of multiple circular sleeves with different diameters, the sleeves being sequentially fitted around the circular tubular body and fitted with each other.  
   
   
       13 . The pump unit for magnetically driving the article as claimed in  claim 1 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       14 . The pump unit for magnetically driving the article as claimed in  claim 2 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       15 . The pump unit for magnetically driving the article as claimed in  claim 3 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       16 . The pump unit for magnetically driving the article as claimed in  claim 4 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       17 . The pump unit for magnetically driving the article as claimed in  claim 5 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       18 . The pump unit for magnetically driving the article as claimed in  claim 6 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       19 . The pump unit for magnetically driving the article as claimed in  claim 7 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       20 . The pump unit for magnetically driving the article as claimed in  claim 8 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       21 . The pump unit for magnetically driving the article as claimed in  claim 9 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       22 . The pump unit for magnetically driving the article as claimed in  claim 10 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       23 . The pump unit for magnetically driving the article as claimed in  claim 11 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       24 . The pump unit for magnetically driving the article as claimed in  claim 12 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       25 . The pump unit for magnetically driving the article as claimed in  claim 13 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth.  
   
   
       26 . The pump unit for magnetically driving the article as claimed in  claim 14 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the main body.  
   
   
       27 . The pump unit for magnetically driving the article as claimed in  claim 15 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth.  
   
   
       28 . The pump unit for magnetically driving the article as claimed in  claim 16 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the main body.  
   
   
       29 . The pump unit for magnetically driving the article as claimed in  claim 17 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth.  
   
   
       30 . The pump unit for magnetically driving the article as claimed in  claim 18 , wherein the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the main body.  
   
   
       31 . The pump unit for magnetically driving the article as claimed in  claim 19 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       32 . The pump unit for magnetically driving the article as claimed in  claim 20 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       33 . The pump unit for magnetically driving the article as claimed in  claim 21 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       34 . The pump unit for magnetically driving the article as claimed in  claim 22 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       35 . The pump unit for magnetically driving the article as claimed in  claim 23 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       36 . The pump unit for magnetically driving the article as claimed in  claim 24 , wherein the circular tubular body of the main body has two open ends, two ends of the magnetic path section being bent and extending through the two open ends of the circular tubular body into the circular tubular body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       37 . The pump unit for magnetically driving the article as claimed in  claim 1 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       38 . The pump unit for magnetically driving the article as claimed in  claim 7 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       39 . The pump unit for magnetically driving the article as claimed in  claim 13 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       40 . The pump unit for magnetically driving the article as claimed in  claim 19 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       41 . The pump unit for magnetically driving the article as claimed in  claim 25 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       42 . The pump unit for magnetically driving the article as claimed in  claim 31 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       43 . A pump unit for driving a fluid from a first position to a second position, comprising: 
 a main body having an internal chamber and two open ends communicating with the internal chamber;    an article having a certain length and a configuration corresponding to a shape of the chamber, the article being reciprocally movably positioned in the chamber between the two open ends of the main body;    a coil wound around the main body and connected with a circuit, the circuit providing a current for the coil so as to drive the article to reciprocally move; and    a first pair of one-way valve sections and a second pair of one-way valve sections, the first and second pairs of one-way valve sections being respectively disposed at the two ends of the main body, whereby the fluid can only flow from the first position to the second position.    
   
   
       44 . The pump unit as claimed in  claim 43 , wherein at least an outer circumference of the main body is disposed with or formed of a magnetically conductive material.  
   
   
       45 . The pump unit as claimed in  claim 44 , wherein the main body is selected from the group consisting of silicon steel, iron, amorphous material and permanent magnet.  
   
   
       46 . The pump unit as claimed in  claim 44 , wherein the main body is a circular tubular body formed of a sheet body which is continuously wound to form the main body.  
   
   
       47 . The pump unit as claimed in  claim 45 , wherein the main body is a circular tubular body formed of a sheet body which is continuously wound to form the main body.  
   
   
       48 . The pump unit as claimed in  claim 44 , wherein the main body is a circular tubular body composed of multiple circular sleeves having different diameters and fitted with each other to form the main body.  
   
   
       49 . The pump unit as claimed in  claim 45 , wherein the main body is a circular tubular body composed of multiple circular sleeves having different diameters and fitted with each other to form the main body.  
   
   
       50 . The pump unit as claimed in  claim 44 , wherein the main body includes a circular tubular body and a magnetic conductor enclosing the circular tubular body.  
   
   
       51 . The pump unit as claimed in  claim 50 , wherein the magnetic conductor is selected from the group consisting of silicon steel, iron, amorphous material and permanent magnet.  
   
   
       52 . The pump unit as claimed in  claim 50 , wherein the magnetic conductor is formed of a sheet body continuously wound around the circular tubular body.  
   
   
       53 . The pump unit as claimed in  claim 51 , wherein the magnetic conductor is formed of a sheet body continuously wound around the circular tubular body.  
   
   
       54 . The pump unit as claimed in  claim 50 , wherein the magnetic conductor is composed of multiple circular sleeves with different diameters, the sleeves being sequentially fitted around the circular tubular body and fitted with each other.  
   
   
       55 . The pump unit as claimed in  claim 51 , wherein the magnetic conductor is composed of multiple circular sleeves with different diameters, the sleeves being sequentially fitted around the circular tubular body and fitted with each other.  
   
   
       56 . The pump unit as claimed in  claim 43 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       57 . The pump unit as claimed in  claim 44 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       58 . The pump unit as claimed in  claim 46 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       59 . The pump unit as claimed in  claim 48 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       60 . The pump unit as claimed in  claim 50 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       61 . The pump unit as claimed in  claim 52 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       62 . The pump unit as claimed in  claim 54 , further comprising a magnetic path section enclosing the coil, the magnetic path section serving to effectively conduct the magnetic field generated by the coil to drive the article.  
   
   
       63 . The pump unit as claimed in  claim 56 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth.  
   
   
       64 . The pump unit as claimed in  claim 57 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth.  
   
   
       65 . The pump unit as claimed in  claim 58 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the main body.  
   
   
       66 . The pump unit as claimed in  claim 59 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       67 . The pump unit as claimed in  claim 60 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       68 . The pump unit as claimed in  claim 61 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       69 . The pump unit as claimed in  claim 62 , wherein two ends of the magnetic path section are bent and extend through the two open ends of the main body into the main body by a certain depth, the magnetic path section being not in contact with the magnetic conductor.  
   
   
       70 . The pump unit as claimed in  claim 43 ,  44 ,  45 ,  46 ,  47 ,  48 ,  49 ,  50 ,  51 ,  52 ,  53 ,  54 ,  55 ,  56 ,  57 ,  58 ,  59 ,  60 ,  61 ,  62 ,  63 ,  64 ,  65 ,  66 ,  67 ,  68  or  69 , wherein the first and second positions are outside the pump unit, one of the first pair of one-way valve sections on one side of the article and one of the second pair of one-way valve sections on the other side of the article communicating with the first position, the remaining two one-way valve sections communicating with the second position, said pump unit further comprising an enclosing member enclosing the coil and the four one-way valve sections, a first flow way being formed in the first position for communicating with the one-way valve sections in the first position, a second flow way being formed in the second position for communicating with the one-way valve sections in the second position.  
   
   
       71 . The pump unit as claimed in  claim 43 ,  44 ,  50 ,  56 ,  57 ,  63  or  64 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       72 . The pump unit as claimed in  claim 70 , further comprising a restricting section disposed in the chamber for restricting the travel of the article.  
   
   
       73 . The pump unit as claimed in  claim 43 ,  44 ,  50 ,  56 ,  57 ,  63  or  64 , wherein each one-way valve section has a third flow way and a valve, the third flow way having a middle section and two ends, the middle section having a cross-sectional area larger than a cross-sectional area of the two ends of the third flow way, a stopper section being further disposed in the middle section of the third flow way, the valve being movably disposed in the middle section of the third flow way and positioned between the stopper section and one end of the third flow way, the valve having a cross-sectional area smaller than that of the middle section of the third flow way, while being larger than the cross-sectional area of the ends of the third flow way, whereby when the valve moves to the stopper section, the valve will not hinder the fluid from flowing through the third flow way, while when the valve moves away from the stopper section, the valve will block the third flow way to prevent the fluid from flowing through the third flow way.  
   
   
       74 . The pump unit as claimed in  claim 70 , wherein each one-way valve section has a third flow way and a valve, the third flow way having a middle section and two ends, the middle section having a cross-sectional area larger than a cross-sectional area of the two ends of the third flow way, a stopper section being further disposed in the middle section of the third flow way, the valve being movably disposed in the middle section of the third flow way and positioned between the stopper section and one end of the third flow way, the valve having a cross-sectional area smaller than that of the middle section of the third flow way, while being larger than the cross-sectional area of the ends of the third flow way, whereby when the valve moves to the stopper section, the valve will not hinder the fluid from flowing through the third flow way, while when the valve moves away from the stopper section, the valve will block the third flow way to prevent the fluid from flowing through the third flow way.  
   
   
       75 . The pump unit as claimed in  claim 71 , wherein each one-way valve section has a third flow way and a valve, the third flow way having a middle section and two ends, the middle section having a cross-sectional area larger than a cross-sectional area of the two ends of the third flow way, a stopper section being further disposed in the middle section of the third flow way, the valve being movably disposed in the middle section of the third flow way and positioned between the stopper section and one end of the third flow way, the valve having a cross-sectional area smaller than that of the middle section of the third flow way, while being larger than the cross-sectional area of the ends of the third flow way, whereby when the valve moves to the stopper section, the valve will not hinder the fluid from flowing through the third flow way, while when the valve moves away from the stopper section, the valve will block the third flow way to prevent the fluid from flowing through the third flow way.  
   
   
       76 . The pump unit as claimed in  claim 72 , wherein each one-way valve section has a third flow way and a valve, the third flow way having a middle section and two ends, the middle section having a cross-sectional area larger than a cross-sectional area of the two ends of the third flow way, a stopper section being further disposed in the middle section of the third flow way, the valve being movably disposed in the middle section of the third flow way and positioned between the stopper section and one end of the third flow way, the valve having a cross-sectional area smaller than that of the middle section of the third flow way, while being larger than the cross-sectional area of the ends of the third flow way, whereby when the valve moves to the stopper section, the valve will not hinder the fluid from flowing through the third flow way, while when the valve moves away from the stopper section, the valve will block the third flow way to prevent the fluid from flowing through the third flow way.  
   
   
       77 . The pump unit as claimed in  claim 1 ,  2 ,  3 ,  4 ,  5 ,  6 ,  7 ,  8 ,  9 ,  10 ,  11 ,  12 ,  13 ,  14 ,  15 ,  16 ,  17 ,  18 ,  19 ,  20 ,  21 ,  22 ,  23 ,  24 ,  25 ,  26 ,  27 ,  28 ,  29 ,  30 ,  31 ,  32 ,  33 ,  34 ,  35 ,  36 ,  37 ,  38 ,  39 ,  40 ,  41 ,  42 ,  43 ,  44  or  50 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       78 . The pump unit as claimed in  claim 70 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       79 . The pump unit as claimed in  claim 71 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       80 . The pump unit as claimed in  claim 72 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       81 . The pump unit as claimed in  claim 73 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       82 . The pump unit as claimed in  claim 74 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       83 . The pump unit as claimed in  claim 75 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.  
   
   
       84 . The pump unit as claimed in  claim 76 , further comprising another coil extending in a direction in which the article moves, the other coil being adjacent to the coil and wound around the main body, the two coils serving to provide magnetic lines in different directions.