Scroll compressor Oldham coupling having anti-friction means

Details Scroll compressor Oldham coupling having anti-friction means Scroll compressor Oldham coupling having anti-friction means

1992-01-24

1993-01-19

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

464102, F04C 1804, F16D 304

Patent

active

051802953

ABSTRACT:
A scroll compressor 10 includes a housing 12, a fixed scroll 26, an orbital scroll 48, a scroll drive assembly 74 and an axial thrust and anti-rotation assembly 108. The axial thrust and anti-rotation assembly includes a pair of scroll key ways 110 and 112, a pair of housing key ways 122 and 124 and an Oldham coupler 132 with key blocks 140 and 142 positioned in the scroll key ways and a pair of key blocks 148 and 150 positioned in the housing key ways. Axial loads exerted on the orbital scroll and end plate 50 by fluid under pressure are transferred from the end plate 50 to roller bearings 118 and 120 mounted in the scroll key ways 110 and 112, to the key blocks 140 and 142, to the ring 134 to thrust roller assemblies 156 and 158 in contact with a surface 136 of the Oldham coupler ring 134 and to the housing 12.

REFERENCES:
patent: 4259043 (1981-03-01), Hidden et al.
patent: 4551078 (1985-11-01), Hiraga
patent: 4911620 (1990-03-01), Richardson, Jr. et al.

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