Noise reducing cylinder assembly for compressor

Details Noise reducing cylinder assembly for compressor Noise reducing cylinder assembly for compressor

2005-05-17

2005-05-17

Freay, Charles G. (Department: 3746)

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

C137S856000, C137S857000

Reexamination Certificate

active

06893233

ABSTRACT:
A cylinder assembly for a hermetic compressor is capable of reducing impulse and noise that is generated by a contact of a valve plate and a suction valve when the suction valve is closed. The cylinder assembly has a cylinder block having a cylinder formed therein; a cylinder head connected to the cylinder block, for sealing the cylinder off from outside; a valve plate disposed between the cylinder block and the cylinder head, the valve plate having a refrigerant suction hole; a suction valve disposed at a side of the valve plate for resiliently opening and closing the refrigerant suction hole; and a noise/impulse reducing device disposed between the suction valve and the valve plate so that the noise/impulse reducing device first contacts with the suction valve prior to contacting with the valve plate. During the refrigerant compression in the cylinder, the impulse and noise, which is generated by the hitting movement of the suction valve38aagainst the valve plate, is reduced.

REFERENCES:
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patent: 4483363 (1984-11-01), Madoche et al.
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patent: 20020098093 (2002-07-01), Tomel et al.
patent: 20030066563 (2003-04-01), Hong
patent: 2167897 (1994-06-01), None
patent: 1218142 (2000-10-01), None
patent: 406147125 (1994-05-01), None
patent: 2000-291559 (1999-08-01), None

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