Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1995-08-09
1997-02-11
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
137857, F16K 1514
Patent
active
056011180
ABSTRACT:
A compressor for compressing a refrigerant includes a discharge outlet, and a valve mechanism for controlling the opening and closing of the outlet. The valve mechanism comprises a reed normally biased to an outlet-closing position by a leaf spring which is yieldable under the pressure of compressed refrigerant applied to the reed to enable the reed to flex and open the outlet. A fixed valve stopper overlies the leaf spring for limiting the extent of travel of the leaf spring and reed when opening the outlet. The valve stopper includes a flat inner section spaced above the outlet by a uniform distance, and a convexly curved outer section extending from the flat section to a free end of the stopper. During a valve opening operation, an inner portion of the leaf spring collides with the flat section, but an outer free end of the leaf spring does not collide with the stopper, because of the curvature of the outer section of the stopper. Thus, potential damage to the outer end of the leaf spring is avoided.
REFERENCES:
patent: 4628963 (1986-12-01), Ishijima
patent: 4642037 (1987-02-01), Fritchman
patent: 5099886 (1992-03-01), Squirrell
patent: 5379799 (1995-01-01), Kawai
Rivell John
Samsung Electronics Co,. Ltd.
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