Hermetic compressor

Details Hermetic compressor Hermetic compressor

2004-06-02

2009-08-25

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C418S063000, C418S066000

Reexamination Certificate

active

07578660

ABSTRACT:
A compression mechanism has a cylinder, a suction passage and a discharge passage. The suction passage of a cylinder is connected to a suction pipe. The discharge passage is open to an inner space of a sealed housing. A discharge gas is discharged through a discharge pipe. The cylinder is formed with a communicating passage extending from a suction passage to a suction pressure chamber to lead a suction gas in the suction passage into the suction pressure chamber and thereby allow a pressure of the suction gas in the suction passage to act on an outside surface of the cylinder.

REFERENCES:
patent: 4577472 (1986-03-01), Pandeya et al.
patent: 4601644 (1986-07-01), Gannaway
patent: 6942464 (2005-09-01), Brashears et al.
patent: 2004/0052659 (2004-03-01), Kim
patent: 2004/0109779 (2004-06-01), Yang et al.
patent: 58-163692 (1983-10-01), None
patent: 1-203688 (1989-08-01), None
Most recent claim set from Application No. 10/562,565 used in double patenting.

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