Compressor having an ejector oil pump

Details Compressor having an ejector oil pump Compressor having an ejector oil pump

2007-03-15

2011-11-22

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Multistage

Sliding abutment

C418S060000, C418S270000, C285S325000, C285S335000

Reexamination Certificate

active

08062011

ABSTRACT:
A compressor includes an ejector oil pump which sucks the oil from an oil reservoir in the bottom part of a sealed container to an oil passage formed in a rotary shaft, and the ejector oil pump includes an oil suction pipe having one end connected to the oil passage and the other end which opens in the oil reservoir, and an ejector pipe having one end which communicates with the discharge side of a compressor mechanism portion and the other end inserted into the opening of the other end of the oil suction pipe to open. The inner diameter of the other end of the oil suction pipe is larger than the outer diameter of the other end of the ejector pipe, and the other end of the oil suction pipe is provided with first and second dowel portions which position the other end of the ejector pipe.

REFERENCES:
patent: 4240774 (1980-12-01), Ladusaw
patent: 5341566 (1994-08-01), Quitschau et al.
patent: 53-119255 (1978-10-01), None
patent: 55-91792 (1980-07-01), None
patent: 55-170483 (1980-12-01), None
patent: 55-170484 (1980-12-01), None
patent: 60-69291 (1985-04-01), None
patent: 7-269534 (1995-10-01), None
patent: 2005-36740 (2005-02-01), None
patent: 2005-36740 (2005-02-01), None
Japanese Office Action dated Jan. 8, 2010 (in Japanese).
International Search Report for International Application No. PCT/JP2007/055217 dated May 23, 2007.

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