F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
230/37
F04C 18/02 (2006.01) F04C 27/00 (2006.01)
Patent
CA 1311455
AXIAL SEALING MECHANISM FOR A SCROLL COMPRESSOR ABSTRACT OF THE DISCLOSURE The present invention relates to a scroll type fluid displacement compressor, and more particularly, to an axial sealing mechanism for sealing the scrolls in an axial direction. A scroll type fluid displacement compressor includes a housing, a pair of scrolls each com- prising an end plate and scroll element projecting from one surface of the end plate. Both scroll elements Are interfitted at an angular and radial offset to make a plurality of line contacts. A groove is formed on the end surface of each scroll element and a seal element is placed within each groove. The axial thickness of one seal element is equal to or greater than the depth of the groove. The axial thickness of the other seal element is less than the distance between the bottom surface of the other groove and the end plate of the opposing scroll. Thus, one seal element is fixed in the axial direction and the other seal element is movable in the axial direction to effect a proper axial sealing of the scrolls while making it possible to more easily manufacture and assemble the scroll compressor.
500328
Iizuka Jiro
Shimizu Shigemi
Sanden Corporation
Sim & Mcburney
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