F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent
F - Mech Eng,Light,Heat,Weapons
01
C
230/37, 230/87
F01C 19/00 (2006.01) F01C 1/02 (2006.01) F01C 19/08 (2006.01) F04C 23/00 (2006.01)
Patent
CA 1185942
-25- ABSTRACT OF THE DISCLOSURE Axial compliance/sealing means are provided for scroll-type apparatus. These means comprise seal elements capable of experiencing axial and radial motion within chan- nels cut in the tips of the involute wraps to make sealing contact with the end plates of the opposing scroll members. Continuous involute spring members having a pitch larger than the wrap involute channel provide a mechanical force applying means to urge the seal elements into sealing contact. The use of the axial compliance/ sealing means allows the contacting surfaces through which radial sealing is effected to be machined to conventional accuracy, and provides automatic compensation for temperature differentials within the appar- atus as well for any uneven wear of the scroll members. The sealing means is particularly suited for reliable extended operation in a hermetically sealed apparatus.
395717
Little (arthur D.) Inc.
Swabey Ogilvy Renault
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