Pressure valve

Details Pressure valve Pressure valve

1998-02-19

1999-09-14

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

1374936, 1374939, 417296, 123467, 123506, F16K 1726

Patent

active

059506695

ABSTRACT:
The invention relates to a pressure valve for installation in a supply line between a pump work chamber of a fuel injection pump and an injection site in an internal combustion engine to be supplied thereby. A valve body is provided with a valve seat and has a through conduit in which a pressure valve closing member is guided. A check valve is disposed in a work chamber, wherein the check valve and the pressure valve closing member are movable relative to one another, in the through conduit. A restoring spring on the injection side causes the check valve to rest in the through bore and on the pump chamber side disposes the pressure valve closing member to the valve seat of the valve body.

REFERENCES:
patent: 2090781 (1937-08-01), Camner
patent: 4056120 (1977-11-01), MacNeilage
patent: 4459086 (1984-07-01), Hafele et al.
patent: 4648369 (1987-03-01), Wannenwetsch
patent: 4692102 (1987-09-01), Hafele et al.
patent: 4834134 (1989-05-01), Asami et al.
patent: 4926902 (1990-05-01), Nakamura et al.
patent: 4969697 (1990-11-01), Lindenman
patent: 5029604 (1991-07-01), Spector et al.
patent: 5293897 (1994-03-01), Warga et al.

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