Scroll-type apparatus with hydrodynamic thrust bearing

Details Scroll-type apparatus with hydrodynamic thrust bearing Scroll-type apparatus with hydrodynamic thrust bearing

1976-09-13

1977-12-27

Vrablik, John J.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

418 55, 308 9, F25B 104, F16C 1704, F01C 102, F04C 1702

Patent

active

040652793

ABSTRACT:
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 journal, has a plurality of intersecting groovings to ensure continuous lubrication of the surfaces. The scroll apparatus is particularly suited for incorporation in a closed cycle refrigeration system wherein minimum wear over extended periods and quiet and reliable operation are required.

REFERENCES:
patent: 846795 (1907-03-01), Kruesi
patent: 1083838 (1914-01-01), Key
patent: 3994633 (1976-11-01), Shaffer

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