Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1998-12-30
2000-11-28
Walberg, Teresa
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
F04B 3910, F04B 5310
Patent
active
061527106
ABSTRACT:
In a linear compressor including a cylinder having a compression chamber, a piston compressing a gas by a straight reciprocation in the cylinder, and a cylinder head cover covering the compression chamber of the cylinder, and having a discharge valve system and a spring for tightly supporting the discharge valve system toward an end portion of the cylinder, the discharge valve system for a linear compressor capable of minimizing re-expansion resulting from over-compression by smoothly discharging a compressed gas in the compression chamber of the cylinder, simplifying an assembly process and cutting production costs by decreasing a number of components, includes: a valve formed in a disc shape including a plurality of paths of a certain width and depth inwardly from the circumferential surface of the head, a gas discharged from the compression chamber of the cylinder passing through the paths, a diameter of the valve being set similarly to an inside diameter of the cylinder head cover.
REFERENCES:
patent: 5680881 (1997-10-01), Oh
patent: 5722817 (1998-03-01), Park et al.
patent: 5816783 (1998-10-01), Oshima et al.
patent: 5947708 (1999-09-01), Park et al.
patent: 5988994 (1999-11-01), Berchowitz
Oh Won-Sik
Park Jung-Sik
LG Electronics Inc.
Patel Vinod D
Walberg Teresa
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