Scroll compressor assembly

Details Scroll compressor assembly Scroll compressor assembly

1997-12-12

2000-05-02

Nguyen, Hoang

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 554, F01C 102

Patent

active

060565241

ABSTRACT:
A scroll compressor housing has a center shell having an upper end defining an opening, and a top cap covering the opening and secured to the center shell. A crankcase is positioned within the housing. An orbiting scroll has a base plate and a spiral wrap extending axially from the orbiting scroll base plate. A fixed scroll has a base plate and a spiral wrap extending axially from the fixed scroll base plate nested with the spiral wrap of the orbiting scroll. A riser extends axially upwardly from the crankcase to provide a support surface for the fixed scroll. A radially extending flange on the crankcase is supported by an upper edge of the center shell and the fixed scroll is pinned between the top cap and the center shell. A fixed scroll seal sealingly engages the fixed scroll and the top cap to form a muffler chamber. A rabbet on the fixed scroll matingly engages a shoulder on the crankcase in order to fixedly align the fixed scroll and the crankcase.

REFERENCES:
patent: 3884599 (1975-05-01), Young et al.
patent: 4522575 (1985-06-01), Tischer et al.
patent: 4609334 (1986-09-01), Muir et al.
patent: 4696630 (1987-09-01), Sakata et al.
patent: 5064356 (1991-11-01), Horn
patent: 5427511 (1995-06-01), Caillat et al.
patent: 5551851 (1996-09-01), Williams et al.
patent: 5557845 (1996-09-01), Burkett et al.

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