Scroll compressor having improved sealing

Details Scroll compressor having improved sealing Scroll compressor having improved sealing

1984-07-13

1986-01-14

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418142, 277204, F04C 1804, F04C 2700

Patent

active

045643431

ABSTRACT:
A scroll compressor having an improved sealing arrangement. Ends of scroll wraps opposite end plates are formed with grooves extending longitudinally along their spiral surfaces. Spring members are fitted into lower portions of these grooves, and tip seals in the upper portions, opposite and in contact with the end plate of the opposite scroll. In one embodiment, the grooves are divided by partitions into segments and separate springs are disposed in each segment. In another embodiment, the springs have a zig-zag shape.

REFERENCES:
patent: 1473446 (1923-11-01), Scott
patent: 2007691 (1935-07-01), Phillips
patent: 3134600 (1964-05-01), Fisch
patent: 3820925 (1974-06-01), Uchiyama et al.
patent: 3994636 (1976-11-01), McCullough et al.
patent: 4437820 (1984-03-01), Terauchi et al.

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