Fuel injection system for a multi-cylinder internal combustion e

Details Fuel injection system for a multi-cylinder internal combustion e Fuel injection system for a multi-cylinder internal combustion e

1998-02-18

1999-11-16

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

2395339, 2395851, F02M 4702

Patent

active

059842008

ABSTRACT:
In a fuel injection system for a multi-cylinder internal combustion engine with magnetic valve controlled direct injection fuel injectors of which each comprises a housing consisting of several parts, one part having an injection nozzle with a spring loaded nozzle needle and another part including a control piston with a valve structure having an integral valve seat for controlling high pressure fuel admission to a fuel supply passage extending through the housing to the injection nozzle, a control chamber is formed at the other end of the control piston and is in communication with the high pressure fuel supply, and a magnetic valve arranged adjacent the control chamber controls communication of the control chamber with a drain line for releasing pressurized fuel from the control chamber to permit unseating of the control piston so as to establish communication between the pressurized fuel supply and the injection nozzle past a lug extending from the control piston into a fuel admission bore.

REFERENCES:
patent: 5323964 (1994-06-01), Doszpoly et al.
patent: 5524826 (1996-06-01), Mueller et al.
patent: 5526791 (1996-06-01), Timmer et al.
patent: 5699963 (1997-12-01), Ueda

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