Scroll-type fluid machine with an improved journal bearing

Details Scroll-type fluid machine with an improved journal bearing Scroll-type fluid machine with an improved journal bearing

1990-03-16

1992-05-05

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418188, 384537, F01C 104, F01C 2104, F16C 3366

Patent

active

051102730

ABSTRACT:
A scroll-type fluid machine has a drive scroll which is rotatably supported by a novel bearing arrangement. The bearing arrangement includes a bearing housing which is detachably mounted on a casing of the fluid machine. A journal bearing which rotatably supports a drive shaft of the drive scroll is secured inside the bearing housing. An oil seal surrounds the drive shaft beneath the bearing, and grease fills the space between the bearing and the oil seal.

REFERENCES:
patent: 2368549 (1945-01-01), Kendall
patent: 3295898 (1967-01-01), Finzel
patent: 4973232 (1990-11-01), Etou et al.

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