In-line check valve having combined downstream poppet support an

Details In-line check valve having combined downstream poppet support an In-line check valve having combined downstream poppet support an

1984-07-17

1985-08-27

Jones, Larry

Valves and valve actuation

Lost motion between actuator and valve

Check valve with external opening and closing means

137469, 251 12, 251359, F16K 3144, F16K 1720

Patent

active

045373841

ABSTRACT:
A poppet-type check valve utilizing an integral detachable flow control assembly for insertion into a cooperating housing. The checking poppet is oriented with its actuating stem, concentric guide, and concentric force bias spring downstream of the check flow controlled orifice. In a preferred embodiment, the flow control assembly is located internal of a housing having a first flow length adjacent the controlled flow orifice and seat, and a second converging flow length abutting said first flow length, and a terminating flow outlet adjacent the valve outlet port. When mounted internal of the preferred housing, the valve poppet assembly lies partially within the first flow area and extends a predetermined distance into the converging section, thereby greatly reducing turbulence and having a demonstrated reduction in medium flow pressure drop over presently used units.

REFERENCES:
patent: 2745628 (1956-05-01), Carlson
patent: 3199532 (1965-08-01), Trick
patent: 3329154 (1967-07-01), Morse et al.
patent: 3373764 (1968-03-01), Munn
patent: 3688794 (1972-09-01), Bird et al.
patent: 4152893 (1979-05-01), Wakita et al.

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