Gaseous fluid pump

Abstract

A gaseous fluid pump includes a compression chamber, a plurality of pistons, a plurality of electric coils, and a magnet. The chamber contains at least one inlet and one outlet and a plurality of open volumes created by an inner surface of the compression chamber. The plurality of pistons are within the compression chamber and each piston containing a body with at least a first diametrically polarized magnet centered in the body such that the first magnet attracts or repels depending on the relative position of the first magnet. The plurality of electric coils wound around laminations on an outside of the compression chamber with each of the plurality of electric coils configured to create flux paths centered around each of the pistons when provided electricity to act as a polarizing motor stator. A second magnet is centered within the compression chamber between two of the plurality of pistons.

1 . An apparatus for pumping and compressing fluids comprising:
 a compression chamber, the chamber containing at least one inlet and one outlet, and a plurality of open volumes created by an inner surface of the compression chamber;   a plurality of pistons within the compression chamber, each piston containing a body with at least a first diametrically polarized magnet centered in the body, such that the first magnet attracts or repels depending on the relative position of the first magnet;   a plurality of electric coils wound around laminations on an outside of the compression chamber, each of the plurality of electric coils configured to create flux paths centered around each of the pistons when provided electricity to act as a polarizing motor stator; and   a second magnet centered within the compression chamber between two of the plurality of pistons.   
     
     
         2 . The apparatus of  claim 1  wherein the compression chamber is made of glass. 
     
     
         3 . The apparatus of  claim 1  wherein each piston body is comprised of graphite. 
     
     
         4 . The apparatus of  claim 1  wherein the compression chamber contains a third magnet on a first end of the compression chamber. 
     
     
         5 . The apparatus of  claim 4  wherein each piston comprises:
 a fourth and a fifth magnet on respective first and second outer sides of the piston body. 
 
     
     
         6 . The apparatus of  claim 4  wherein each of the plurality of pistons is separated from an inner surface of the compression chamber by an air bearing surface on the respective piston. 
     
     
         7 . A gaseous fluid pump comprising:
 at least one cylinder having a wall defining an inner volume and containing a central axis;   a first piston and a second piston that both move along the central axis, wherein the first piston and second piston have similar mass;   a first coil and a second coil located on an outside of the at least one cylinder and configured to each create magnetic forces centered around the first piston and second piston when provided with electricity;   wherein the first and second pistons are propelled by the magnetic forces in an oscillating motion with a 180 degree phase difference between the first and second pistons; and   a magnet centered within the compression chamber between the two pistons.   
     
     
         8 . The pump of  claim 7  wherein the first and second pistons and the cylinder have similar thermal coefficients. 
     
     
         9 . The pump of  claim 8  wherein the first and second pistons are supported in the inner volume of the cylinder with gaseous bearings. 
     
     
         10 . The pump of  claim 8  wherein the cylinder is constructed from glass. 
     
     
         11 . The pump of  claim 8  wherein the first and second pistons are constructed from graphite. 
     
     
         12 . The pump of  claim 7  wherein the cylinder wall is non-magnetic. 
     
     
         13 . The pump of  claim 12  wherein the first and second pistons are constructed from a low electrical conductivity material. 
     
     
         14 . A gaseous fluid pump comprising:
 a cylinder with first and second ends connected by a wall to define an inner volume, wherein the first and second ends each contain a respective first and second permanent magnet;   a plurality of pistons capable of travel within the cylinder, each piston comprising a first end and a second end, and at least one magnet; and   a third permanent magnet centered within the cylinder between each of the plurality of pistons;   wherein the third permanent magnet forms a barrier between each of the pistons, the third permanent magnet and the cylinder forming a piston compartment for each piston;   wherein the magnetic poles of the first, second, and third permanent magnets face like poles of each piston magnet to produce a repelling spring effect to push each piston away from the first, second, and third permanent magnets;   wherein each piston is supported in the inner volume of the cylinder with gaseous bearings.   
     
     
         15 . The pump in  claim 14  wherein the plurality of pistons and the cylinder have similar thermal coefficients. 
     
     
         16 . The pump in  claim 14  wherein the plurality of pistons are driven by magnetic force through the cylinder wall that is non-magnetic with the magnetic force created by electricity flowing through at least one electrical coil wound around steel laminations on an outside of the cylinder. 
     
     
         17 . The pump in  claim 14  wherein the plurality of pistons are constructed from a low electrical conductivity material. 
     
     
         18 . The pump in  claim 14  wherein the first, second, and third permanent magnets and plurality of pistons form an oscillating mass and spring system with a specific oscillation frequency for the piston. 
     
     
         19 . The pump of  claim 14  wherein each piston compartment contains a respective inlet and outlet. 
     
     
         20 . The pump of  claim 19  wherein each of the plurality of pistons does not contain a physical connection to the cylinder allowing for either the first end or the second end of each piston to displace a fluid through each piston compartment's respective inlet and outlet.