F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
230/87
F01C 1/02 (2006.01) F01C 19/08 (2006.01)
Patent
CA 1221949
SCROLL TYPE FLUID DISPLACEMENT APPARATUS ABSTRACT A scroll type fluid displacement apparatus having an orbiting scroll member and a fixed scroll member which form at least one pair of sealed off fluid pockets therebetween for fluid compression. The axial end surface of the spiral element of the scroll member has a groove along the spiral curve. A seal element is loosely fitted in the groove and has a reinforcement member for preventing localized bending thereof. During operation, the pressurized fluid flows into the groove to urge the seal element against the opposite end plate, so that the axial sealing between the spiral element and end plates is effected, and localized wear of the seal element by changes in the fluid pressure is prevented by the rigidifying reinforcement member.
378765
Hiraga Masaharu
Kojima Tadao
Saegusa Nobuaki
Johnson Douglas S. Q.c.
Sanden Corporation
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