Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Reexamination Certificate
2006-01-26
2008-12-23
Denion, Thomas (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
C418S055500, C418S055100, C384S609000, C384S613000
Reexamination Certificate
active
07467933
ABSTRACT:
A central drive shaft-sliding knuckle combined with a peripheral crank pin-swing link mechanism (CSPS) to provide an orbiting scroll with radial and axial compliant capability. The CSPS mechanism can be applied to both dual floating scroll and single floating scroll structures to improve performances of scroll devices, particularly in oil-free operations. In addition, an orbiting dual thrust ball bearing mechanism is provided to take thrust load in, for example, a floating scroll compressor with a CSPS mechanism.
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Forms PCT/ISA/220, PCT/ISA/237, PCT/ISA/210 from the corresponding PCT/US2006/062002, mailed Apr. 27, 2007.
Davis Mary A
Denion Thomas
Hamre Schumann Mueller & Larson P.C.
Scroll Laboratories, Inc.
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