Singlestage and multistage electromagnetic revolutionary piston pump

Abstract

An electromagnetic revolutionary piston pump is disclosed. The electromagnetic revolutionary piston pump includes an inner tube, an outer tube, two annular separation plates, a plurality of pistons, and an electromagnetic coil. The inner tube has a plurality of first and second through holes, and it accommodates the abovementioned pistons to revolve inside. The outer tube has an intake opening and an exhaust opening, and it wraps the inner tube inside. In addition, the annular separation plates are disposed inside the outer tube for dividing the inner space of the outer tube into a first airproof space and a second airproof space. The first airproof space connects the intake opening and communicates the inner space of the first tube via the first through holes; the second airproof space connects the exhaust opening and communicates the inner space of the first tube via the second through holes. Moreover, the electromagnetic coil is mounted on the wall outside of the inner tube in the first airproof space for exerting magnetic force onto the pistons.

1 . An electromagnetic revolutionary piston pump, comprising: 
 a first doughnut tube having a plurality of first and second through holes;    a plurality of pistons revolving inside the first doughnut tube;    a second tube having an intake opening and a plurality of exhaust openings, the second tube wrapping the first tube inside;    a plurality of annular separation plates disposed inside the second tube for dividing the inner space of the second tube into a first airproof space and a plurality of second airproof spaces; and    an electromagnetic coil mounted on the first tube wall for exerting magnetic force onto the pistons;    wherein the first airproof space connects the intake opening and communicates the inner space of the first tube via the first through holes, and each of the second airproof spaces connects one of the exhaust openings and communicates the inner space of the first tube via the second through holes.    
   
   
       2 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the diameter of the first through holes decreases and the distribution of the through holes gets sparse as the first through holes get far away from the intake opening.  
   
   
       3 . The electromagnetic revolutionary piston pump as described in  claim 2 , wherein the diameter of the second through holes decreases and the distribution of the through holes gets sparse as the second through holes get far away from the exhaust openings.  
   
   
       4 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the phase difference between the intake opening and one of the exhaust openings is 180 degrees.  
   
   
       5 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the diameter of the first doughnut tube in the second airproof spaces decreases as it approaches the electromagnetic coil.  
   
   
       6 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the first doughnut tube has a low friction coefficient.  
   
   
       7 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the first tube is made of copper.  
   
   
       8 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the second tube is made of plastic.  
   
   
       9 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein the electromagnetic coil is made of a magnetically permeable material wrapped with a coil winding.  
   
   
       10 . The electromagnetic revolutionary piston pump as described in  claim 1 , wherein each of the pistons comprises: 
 a silicon steel sheet assembly composed of a plurality of silicon steel sheets;    a permanent magnet disposed in the central through hole;    a piston collar for accommodating the silicon steel sheet assembly;    two clip caps separately disposed on two sides of the piston collar for holding the silicon steel sheet assembly and the piston collar; and    two rubber stoppers placed on the clip caps, respectively.    
   
   
       11 . The electromagnetic revolutionary piston pump as described in  claim 10 , wherein each of the silicon steel sheets comprises a central through hole and two grooves formed on opposite sides of the silicon steel sheet.  
   
   
       12 . An electromagnetic revolutionary piston pump, comprising: 
 a first tube having a plurality of first and second through holes;    a plurality of pistons revolving inside the first tube;    a second tube having an intake opening and an exhaust opening, wrapping the first tube inside;    two first annular separation plates disposed in the second tube for dividing the inner space of the second tube into a first airproof space and a second airproof space; and    an electromagnetic coil mounted on outside walls of the first tube in the first airproof space for exerting magnetic force onto the pistons;    wherein the first airproof space connects the intake opening and communicates inner space of the first tube via the first through holes, and the second airproof space connects the exhaust opening and communicates the inner space of the first tube via the second through holes.    
   
   
       13 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein the diameter of the first through holes decreases and the distribution of the through holes gets sparse as the first through holes get far away from the intake opening.  
   
   
       14 . The electromagnetic revolutionary piston pump as described in  claim 13 , wherein the diameter of the second through holes decreases and the distribution of the through holes gets sparse as the second through holes get far away from the exhaust opening.  
   
   
       15 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein the phase difference between the intake opening and the exhaust opening is 180 degrees.  
   
   
       16 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein the diameter of the first tube in the second airproof space decreases as it approaches the electromagnetic coil.  
   
   
       17 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein the first doughnut tube has a low friction coefficient.  
   
   
       18 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein the electromagnetic coil is made of a magnetically permeable material wrapped with a coil winding.  
   
   
       19 . The electromagnetic revolutionary piston pump as described in  claim 12 , wherein each of the pistons comprises: 
 a silicon steel sheet assembly composed of a plurality of silicon steel sheets each having two grooves on opposite sides and a central through hole;    a permanent magnet placed in the central through hole;    a piston collar for accommodating the silicon steel sheet assembly;    two clip caps separately disposed on two sides of the piston collar for holding the silicon steel sheet assembly and the piston collar; and    two rubber stoppers disposed on the clip caps, respectively.    
   
   
       20 . The electromagnetic revolutionary piston pump as described in  claim 12 , further comprising a plurality of second annular separation plates disposed in the second airproof space, dividing the second airproof space into a plurality of airproof spaces each connecting one exhaust opening and communicating inner space of the first tube via the second through holes.  
   
   
       21 . A multistage electromagnetic revolutionary piston pump comprising: 
 a plurality of electromagnetic revolutionary piston pumps, each of the electromagnetic revolutionary piston pumps comprising:    a first tube having a plurality of first and second through holes;    a plurality of pistons revolving inside the first tube;    a second tube having an intake opening and an exhaust opening, wrapping the first tube inside;    two annular separation plates disposed inside the second tube for dividing the inner space of the second tube into a first airproof space and a second airproof space, the first airproof space connecting the intake opening and communicating inner space of the first tube via the first through holes, the second airproof space connecting the exhaust opening and communicating the inner space of the first tube via the second through holes; and    an electromagnetic coil disposed on outside walls of the first tube in the first airproof space for exerting magnetic force onto the pistons;    wherein the exhaust opening of one electromagnetic revolutionary piston pump is connected with the intake opening of another electromagnetic revolutionary piston pump.