Scroll apparatus having a modified tip seal groove

Details Scroll apparatus having a modified tip seal groove Scroll apparatus having a modified tip seal groove

1990-10-29

1992-04-21

Vrablik, John J.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

418 554, 418142, 277204, F01C 104, F01C 1908

Patent

active

051056348

ABSTRACT:
In a scroll apparatus having interleaving scroll wraps secured to end plates rotating about parallel, non-concentric axes to produce a relative orbital motion, a modified tip seal groove in the tip surface of at least one of the scroll wraps. In the preferred embodiment, the tip seal element is of constant cross-sectional width along the scroll wrap, with the groove in the scroll wrap tip having an inner portion adjacent the discharge port and an outer portion. The inner portion of the groove is of greater cross-sectional width than the outer portion of the groove.

REFERENCES:
patent: 4415317 (1983-11-01), Butterworth
patent: 4498852 (1985-02-01), Hiraga
patent: 4753583 (1988-06-01), Hiraga et al.
patent: 4840549 (1989-06-01), Morishita et al.
patent: 4869658 (1989-09-01), Tsutsumi et al.
patent: 4928503 (1990-05-01), Riffe
patent: 4969810 (1990-11-01), Stolle et al.

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