Pumps – With muffler acting on pump fluid
Reexamination Certificate
2006-03-21
2006-03-21
Koczo, Jr., Michael (Department: 3746)
Pumps
With muffler acting on pump fluid
C181S403000
Reexamination Certificate
active
07014430
ABSTRACT:
Disclosed herein are a cylinder assembly for compressors, a compressor with the cylinder assembly, and an apparatus having a refrigerant circulation circuit with the compressor. The present invention provides the cylinder assembly, which has a simple structure and is designed to further reduce a pulse noise. The cylinder assembly includes a cylinder block having two exhaust mufflers. Each of the exhaust mufflers is opened at an end thereof. A frame is mounted to the cylinder block to cover the open ends of the exhaust mufflers. At least one channel is formed at a junction between the cylinder block and the frame to allow a refrigerant to flow between the exhaust mufflers. Further, the cylinder assembly of the present invention is applied to a compressor, and the compressor of the present invention is applied to an apparatus having a refrigerant circulation circuit. The present invention allows a refrigerant exhaust pulse to be further reduced, and simplifies a construction of the cylinder assembly, thus increasing the assembling efficiency and the productivity of the compressor having the cylinder assembly, and reducing the manufacturing cost of the compressor, and reducing a size of the compressor.
REFERENCES:
patent: 4573881 (1986-03-01), Romer
patent: 5173034 (1992-12-01), Riffe
patent: 6152703 (2000-11-01), Yoshimura et al.
patent: 6835050 (2004-12-01), Na et al.
patent: 2002-0062105 (2002-07-01), None
patent: 2002-0071667 (2002-09-01), None
Korean Patent Abstract (KR) of 2002-0071667dated Sep. 13, 2002.
Korean Patent Abstract (KR) of 2002-0062105 dated Jul. 25, 2002.
Koczo, Jr. Michael
Ladas & Parry LLP
Samsung Gwangju Electronics Co. Ltd.
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