Scroll compressor having positioning means for axially movable n

Details Scroll compressor having positioning means for axially movable n Scroll compressor having positioning means for axially movable n

1996-07-17

1998-08-11

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 555, 418 57, F04C 1804

Patent

active

057918856

ABSTRACT:
A scroll compressor has a closed vessel, a compression mechanism accommodated in the closed vessel and including a non-orbiting scroll and an orbiting scroll in engagement with each other, and an electric motor for driving the compression mechanism. The non-orbiting scroll includes a frame portion and a non-orbiting end plate axially movable relative to the frame portion. The frame portion has a recess defined therein and a pin secured thereto. The non-orbiting end plate has a cylindrical wall integrally formed therewith and loosely received in the recess, thereby radially positioning the non-orbiting end plate relative to the frame portion. The non-orbiting end plate also has a recess defined therein in which the pin is loosely received, thereby circumferentially positioning the non-orbiting end plate relative to the frame portion.

REFERENCES:
patent: 4767293 (1988-08-01), Caillat et al.
patent: 5156539 (1992-10-01), Anderson et al.
patent: 5192202 (1993-03-01), Lee
patent: 5253989 (1993-10-01), Shindo et al.
patent: 5346376 (1994-09-01), Bookbinder et al.

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