Scroll-type apparatus with hydrodynamic thrust bearing

F - Mech Eng,Light,Heat,Weapons – 16 – C

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230/37, 103/76,

F16C 32/06 (2006.01) F01C 1/02 (2006.01) F01C 21/02 (2006.01) F16C 17/08 (2006.01) F16C 33/10 (2006.01) F04C 23/00 (2006.01)

Patent

CA 1073023

ABSTRACT OF THE DISCLOSURE A flat plate hydrodynamic thrust bearing for orbiting machinery and scroll-type apparatus embodying the thrust bearing are disclosed. The thrust bearing exerts an axial force on the orbiting scroll member to ensure efficient radial sealing of the scroll assembly; and one of the contacting surfaces of the bearing and or of the orbiting scroll member, serving as a jour- nal, has a plurality of intersecting groovings to ensure con- tinuous lubrication of the surfaces. The scroll apparatus is particularly suited for incorporation in a closed cycle refrig- eration system wherein minimum wear over extended periods and quiet and reliable operation are required.

282342

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