US PATENT SUBCLASS 418 / 102
SHAFT OR TRUNNION LUBRICATION OR SEALING BY DIVERTED WORKING FLUID PORTION


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

102SHAFT OR TRUNNION LUBRICATION OR SEALING BY DIVERTED WORKING FLUID PORTION


DEFINITION

Classification: 418/102

(under the class definition) Apparatus in which at least part of the working fluid is directed by means of a passageway to another part of the device to provide a film or coating between adjacent surfaces of relatively moving parts to prevent direct rubbing contact therebetween or passage of working fluid or ambient air therepast.