US PATENT SUBCLASS 91 / 163
.~ Fluid expanded through working member


Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

152  DF  MULTIPLE EXPANSION {7}
163.~ Fluid expanded through working member


DEFINITION

Classification: 91/163

(under subclass 152) Apparatus having a high pressure chamber and a low pressure chamber, a working member in the high pressure chamber having a fluid passage therein, the motive fluid from the high pressure chamber being expanded through the passage into the low pressure chamber.