Scroll compressor and discharge valve

Details Scroll compressor and discharge valve Scroll compressor and discharge valve

1991-11-04

1992-12-22

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418270, 13754319, F04C 1804, F16K 1500

Patent

active

051730421

ABSTRACT:
A scroll type fluid compressor 10 has a housing 12 including a front section 14 and a rear section 16, an inlet port 112 and an outlet port 114. The rear section 16 of the housing includes an integral fixed scroll 18 with a discharge aperture 90 in the center and an integral exhaust cavity 88. A one way discharge valve 92 including a tubular valve body 95 is pressed into the scroll discharge aperture 90, extends across the exhaust cavity and has one end received in a recess 94 in a boss 96 on a wall of the exhaust cavity 88. An orbital scroll 24 is driven in an orbital path by a crank shaft 74 and cooperates with the fixed scroll 18 to compress fluid. An axial thrust and rotation prevention assembly 46 prevents rotation of the orbital scroll.

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patent: 4865530 (1989-09-01), Nishida et al.
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