Pressure control valve

Details Pressure control valve Pressure control valve

1994-12-28

1997-03-04

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

123463, 251337, F16K 3112

Patent

active

056069910

ABSTRACT:
A pressure control valve is made small-sized and light-weighted and assembly of parts thereof can be simplified. Diameter of an upper end of a control spring is smaller than that of a lower end thereof while a ball o which a valve body is fixed is held by a claw member. An engaging member is provided in a lower casing and is spaced from a side wall of the lower casing. A seat portion for receiving the control spring is integrally formed on a holding member and thickness of a caulked portion of an upper casing is greater than that of the other part of the upper casing.

REFERENCES:
patent: 2528440 (1950-10-01), Kmiecik
patent: 3106219 (1963-10-01), Teston
patent: 4596219 (1986-06-01), Kemmner
patent: 4635537 (1987-01-01), Field
patent: 4741360 (1988-05-01), Affeldt et al.
patent: 4742845 (1988-05-01), Capoccia et al.
patent: 5104091 (1992-04-01), Rathay et al.

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