Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1998-06-01
2000-08-01
Nguyen, Hoang
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
464103, F01C 102
Patent
active
060957786
ABSTRACT:
A combination thrust bearing/coupling apparatus is provided to simultaneously couple an orbiting scroll member with a stationary scroll member. Axial load carrying rolling spheres are provided between the locating indentations of the scroll members. The relative diameters of the spheres and width of the locating indentations permit the spheres to travel a distance equal to one-half of the orbit radius of the orbiting scroll member in all directions from a central position in the respective pair of locating indentations to maintain the predetermined angular relationship between said scroll members. A pair of facing clearance indentations are provided in the orbiting and fixed members. A sphere is provided between the clearance indentations. The relative diameters of the spheres and width of said clearance indentations permit the spheres to travel a distance greater than one-half of said orbit radius of said orbiting scroll member in all directions from a central position in the pair of clearance indentations.
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Improvement of Scroll Compressor for Vehicle Air Conditioning Systems, SAE Technical Paper Series 970113, p. 55-70, J. Lizuka, N. Kitano, S. Ito and S. Otake 1997.
Coppiellie Raymond L.
Ford Motor Company
Nguyen Hoang
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