Scroll compressor with economizer fluid passage defined adjacent

Details Scroll compressor with economizer fluid passage defined adjacent Scroll compressor with economizer fluid passage defined adjacent

1997-10-01

2000-11-07

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418 551, F04C 1804

Patent

active

061427535

ABSTRACT:
An improved scroll compressor utilizes a crossing economizer passage which is defined between an outer end face of the fixed scroll and a mating end face of an overlying cover. Since the economizer passage is formed in a face which is exposed before assembly, it is relatively easy to machine the complex crossing passage into the end face. The passage is machined into the end face, and the cover and fixed scroll are secured together closing the passage. The invention simplifies formation of the relatively complex economizer crossing passage.

REFERENCES:
patent: 4432708 (1984-02-01), Hiraga et al.
patent: 5071323 (1991-12-01), Sakashita et al.
patent: 5395224 (1995-03-01), Caillat et al.
patent: 5666015 (1997-09-01), Uchibori et al.
Translation of Japanese Publication 7-103152.
European Search Report (EP 98 30 7214).
European Patent Abstract (98307214.1).
Japanese Patent Abstract (07103152; Apr. 18, 1995).
Japanese Patent Abstract (61169691; Jul. 31, 1986).

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