F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
230/37
F01C 21/04 (2006.01) F01C 1/02 (2006.01) F01C 21/02 (2006.01) F04C 27/00 (2006.01)
Patent
CA 1279047
LUBRICATING MECHANISM FOR A SCROLL-TYPE FLUID DISPLACEMENT APPARATUS ABSTRACT A scroll-type fluid displacement apparatus with a lubricating mechanism to lubricate between an end plate and an opposed spiral wrap is disclosed. The apparatus has a pair of scrolls, each of which comprises a circular end plate and a spiral wrap extending from one side of the end plate. A groove, in which a seal element is loosely fitted, is formed on the axial end surface of each spiral wrap. One spiral wrap has a second groove at its axial end surface and extends close to the outer terminal end of spiral wrap. The sectional shape of the second groove is different from the sectional shape of the first groove to prevent the movement of the seal element in the first groove. Gas containing lubricating oil is supplied to the outer terminal portion of spiral wrap through the first groove and second grooves.
448951
Bereskin & Parr
Sanden Corporation
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