Two stage reciprocating compressor and refrigerator having...

Details Two stage reciprocating compressor and refrigerator having... Two stage reciprocating compressor and refrigerator having...

2011-03-08

2011-03-08

Freay, Charles G (Department: 3746)

Pumps

Successive stages

C417S417000, C417S254000

Reexamination Certificate

active

07901192

ABSTRACT:
A two stage reciprocating compressor includes a casing. A first compressing unit is disposed in the casing and includes a first piston and a first cylinder, the first compressing unit being driven by a reciprocating motor to linearly reciprocate the first piston in the first cylinder to suck in and compress gas. A second compressing unit is disposed in the casing and includes a second piston and a second cylinder, the second compressing unit being driven by vibration of the first compressing unit to linearly reciprocate the second piston in the second cylinder to suck in and compress gas. A vibration transfer member transfers the vibration from the first compressing unit to the second compressing unit. The first and second compressing units extend in parallel and face toward each other.

REFERENCES:
patent: 3836289 (1974-09-01), Wolford et al.
patent: 5395218 (1995-03-01), Thompson
patent: 6644943 (2003-11-01), Lilie et al.
patent: 7540164 (2009-06-01), Roche et al.
patent: 2003/0072658 (2003-04-01), Park et al.
patent: 2005/0053471 (2005-03-01), Hong et al.
patent: 2005/0129548 (2005-06-01), Kim et al.
patent: 2006/0024181 (2006-02-01), Kim
patent: 2006/0171825 (2006-08-01), Choi et al.
patent: 2007/0241697 (2007-10-01), Sung et al.
patent: 5-223368 (1993-08-01), None
English language Abstract of JP 5-223368, Aug. 31, 1993.

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