F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/38
F16J 15/32 (2006.01) F16H 57/08 (2006.01)
Patent
CA 1093112
C-2870 D-1,278 LIP TYPE OIL SEAL Abstract of the Disclosure: A lip type oil seal for a cylinder and piston arrange- ment, such as in a fluid clutch, wherein the seal separates two working chambers formed by the piston and cylinder The seal has radial grooves formed in an annular surface facing one chamber, a flat annular sealing surface facing toward the other chamber, and a radial lip portion sealing on the circumference of the piston. The radial grooves permit fluid flow between the chambers when both chambers axe exhausted after being pressurized. The flat annular sealing surface prevents fluid flow between the chambers when only the one chamber is pressurized and not exhausted.
305693
General Motors Corporation
Gowling Lafleur Henderson Llp
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