US PATENT SUBCLASS 418 / 180
APERTURED BYPASS TO PRESSURIZE OR RELIEVE WORKING CHAMBER ZONE OF INTERMEDIATE PRESSURE


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

180APERTURED BYPASS TO PRESSURIZE OR RELIEVE WORKING CHAMBER ZONE OF INTERMEDIATE PRESSURE


DEFINITION

Classification: 418/180

(under the class definition) Apparatus in which a passage having an orifice conducts working fluid to or from a working chamber portion separate from and having a working fluid pressure intermediate the inlet and outlet pressures of the working chamber, inlet or outlet pressure communicating with the intermediate pressure zone via the passage.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74, for similar devices wherein the pressurized fluid also radially balances the working member.