US PATENT SUBCLASS 418 / 99
.~.~ Non-working fluid initially directed to working member

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

83  DF  HEAT EXCHANGE OR NON-WORKING FLUID LUBRICATING OR SEALING {13}
97  DF  .~ Non-working and working fluids intermix in working chamber {2}
99.~.~ Non-working fluid initially directed to working member

DEFINITION

Classification: 418/99

(under subclass 97) Apparatus in which the nonworking fluid is initially directed to impinge against the working member from whence it passes to enter into a zone of lower pressure of the working chamber.