Patent ID: 6729860
Filing Date: 2004-05-04
Classification: F01L,F04B

Abstract:
A pneumatically driven booster pump comprising:a double ended piston having a central body, the central body having a pair of drive faces, the double ended piston having a pair of removed ends, each of the removed ends with a driven face thereon; at least one shuttle valve for transferring a drive gas from one of the pair of drive faces to the other of the pair of drive faces; and a body housing including a piston chamber for enclosing the double ended piston, walls defining a chamber for enclosing within the body housing the shuttle valve, an inlet port for receiving a fluid to be boosted and an outlet port for providing the boosted fluid at a pressure greater than the pressure that it was received at the inlet port; wherein the piston is adapted to slidably receive the shuttle valve through the central body of the piston.