.~ Dual, rigidly connected high and low pressure faces
DEFINITION
Classification: 91/164
(under subclass 152) Apparatus having at least two high pressure working chambers and at least two low pressure working chambers, a working member face in each of said working chambers, the working faces being integrally connected so as to move in unison and, on each stroke of the motor, motive fluid from a high pressure source acting in one of said high pressure chambers while fluid is simultaneously expanded from another of said high pressure chambers into one of the low pressure chambers.
