F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
103/17, 277/3, 2
F01C 19/00 (2006.01) F01C 1/02 (2006.01) F01C 19/08 (2006.01)
Patent
CA 1133958
ABSTRACT OF THE DISCLOSURE Axial compliance/sealing means are provided for scroll- type apparatus. These means comprise seal elements associated with the involute wraps which are urged by an axial force to make sealing contact with the end plates of the opposing scroll members. A two-sided channel open to the centerline of the apparatus is cut in the contacting end of each wrap; and with- in the channel is positioned a seal element for making seal- ing contact with the surface of the end plate of the opposing or complementary scroll member. The seal element is com- pressively loaded toward the back of the channel and axially loaded toward the opposing end plate. The use of the axial compliance/sealing means allows the contacting surfaces through which radial sealing is effected to be machined to conventional accuracy, provides automatic compensation for temperature dif- ferentials within the apparatus as well as for any uneven wear of the scroll members, and permits the use of machining and fabrication techniques which are relatively low in cost.
335348
Little (arthur D.) Inc.
Swabey Ogilvy Renault
LandOfFree
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