Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1995-09-05
1997-08-05
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
13753319, F16K 1504
Patent
active
056532580
ABSTRACT:
A vent valve for a thermostatic valve of a coolant circuit of an internal combustion engine has a ball with a radius and a diameter and serving as a sealing element, and a one-piece metal cage for the ball. The cage has a pot-shaped part with an inside diameter larger than the diameter of the ball, and a bottom having a valve opening surrounded by an outwardly projecting neck. The cage is shaped in one piece from an originally flat metal sheet by stamping, deep-drawing, and pressing, and the pot-shaped part has a height approximately the radius of the ball, and an edge abutted by a plurality of uniformly distributed tabs located on an axial extension of the pot-shaped part, the tabs having inwardly bent ends to retain the ball in the cage with play, the length of the tabs being greater than or equal to the height of the pot-shaped part.
REFERENCES:
patent: 1189814 (1916-07-01), Hayes
patent: 2723679 (1955-11-01), Harris et al.
patent: 3174437 (1965-03-01), Street
patent: 3290000 (1966-12-01), Snyder
patent: 4059881 (1977-11-01), Sliger
patent: 4756335 (1988-07-01), Kim
patent: 5095940 (1992-03-01), Saur et al.
Behr-Thomson GmbH & Co.
Rivell John
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