Compressor

Details Compressor Compressor

2008-07-15

2008-07-15

Kim, Ted (Department: 3746)

Pumps

Expansible chamber type

Having separate noncyclic valve

C417S269000, C417S559000, C251S902000, C138S045000

Reexamination Certificate

active

07399169

ABSTRACT:
The invention provides a compressor that can reduce occurrence of vibration and noise due to self-induced vibration of an suction valve at the time of a low flow rate surely with an inexpensive structure. In the compressor according to the invention, an opening regulating valve40provided in a refrigerant suction channel13cto a cylinder11ais formed by an elastically deformable spiral member41, and intervals of spiral portions41aof the spiral member41are changed according to a flow rate of a refrigerant, whereby an opening of the channel13cis regulated. Thus, it is possible to reduce occurrence of vibration and noise due to self-induced vibration of an suction valve14cat the time of a low flow rate surely, and it is possible to simplify a structure of the opening regulating valve40.

REFERENCES:
patent: 2125435 (1938-08-01), Erling
patent: 3703913 (1972-11-01), Carsten
patent: 3884447 (1975-05-01), Alexander et al.
patent: 3896834 (1975-07-01), Paul, Jr.
patent: 4400142 (1983-08-01), Ohlson, Jr.
patent: 6257848 (2001-07-01), Terauchi
patent: 2001/0026762 (2001-10-01), Fujita et al.
patent: 59054788 (1984-03-01), None
patent: 01158856 (1989-11-01), None
patent: 07054658 (1995-02-01), None
International Serarch Report mailed Jul. 29, 2003.

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