Variable capacity rotary compressor

Details Variable capacity rotary compressor Variable capacity rotary compressor

2007-03-06

2007-03-06

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

C418S029000, C418S060000, C418S063000, C417S221000, C417S326000, C184S006160, C184S006180

Reexamination Certificate

active

10811897

ABSTRACT:
A variable capacity rotary compressor allowing oil to be smoothly supplied to compressing elements, regardless of a rotating direction of a rotating shaft. The variable capacity rotary compressor includes a rotating shaft which is rotated in a forward direction or a reverse direction to vary a compression capacity of the compressor. A shaft bearing supports the rotating shaft. An oil guide groove is spirally formed on at least one of the shaft bearing and the rotating shaft to supply oil. An oil storing chamber is defined at an upper portion of the shaft bearing to communicate with the oil guide groove, and stores a predetermined amount of oil therein.

REFERENCES:
patent: 2596640 (1952-05-01), Berry
patent: 3311292 (1967-03-01), Connor
patent: 4397618 (1983-08-01), Stenzel
patent: 4472114 (1984-09-01), Fujiwara et al.
patent: 6860724 (2005-03-01), Cho et al.
patent: 60030495 (1985-02-01), None
patent: 61155688 (1986-07-01), None
patent: 62271987 (1987-11-01), None
patent: WO 01/16484 (2001-03-01), None

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