Fuel-injection valve for internal combustion engines

Details Fuel-injection valve for internal combustion engines Fuel-injection valve for internal combustion engines

1995-11-29

1998-05-26

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395339, 23953312, 239584, F02M 5900

Patent

active

057553858

ABSTRACT:
A fuel injection valve for internal combustion engines, with an outward-opening valve member which, at one end projects out of a guide bore in a valve body. The valve has a valve head which acts as a closing member and on which is arranged a sealing face that cooperates with a valve seat on the valve body and which forms a sealing edge. For a variable injection cross section, a sleeve is attached onto the valve member on the region of the valve member located near the valve-member head, in which sleeve are provided a plurality of rows of injection orifices which can be opened in succession with an increasing opening stroke of the valve member. In order to allow a reliable and sealing guidance of the valve member, an inflow duct to the injection orifices is designed as a recess in the valve-member shank, in such a way that a web region guiding and sealing off the valve member in the sleeve remains.

REFERENCES:
patent: 2035202 (1936-03-01), Smith
patent: 2338744 (1944-01-01), Szekely
patent: 4082224 (1978-04-01), Mangus
patent: 4817873 (1989-04-01), McKay
patent: 4842018 (1989-06-01), White et al.
patent: 5405088 (1995-04-01), Gordon et al.
patent: 5482018 (1996-01-01), Potz et al.
patent: 5497947 (1996-03-01), Potz et al.
patent: 5522550 (1996-06-01), Potz et al.

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