Fuel injector

Details Fuel injector Fuel injector

1998-06-30

2000-01-11

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

123506, 239 96, F02M 3704

Patent

active

06012430&

ABSTRACT:
A fuel injector comprises a valve needle biased into engagement with a seating by a spring, a fuel supply line arranged to permit fuel under pressure to be supplied towards the seating, a control chamber communicating through a restricted flow passage with the supply line, and a control valve arranged to control the fuel pressure within the control chamber, wherein the control chamber is defined, in part, by a surface associated with the valve needle, the surface being orientated such that the application of high pressure fuel to the control chamber applies a force to the surface acting in a direction opposing the action of the spring on the valve needle.

REFERENCES:
patent: 5526792 (1996-06-01), Guth et al.
patent: 5901685 (1999-05-01), Noyce et al.
patent: 5913300 (1999-06-01), Drummond
patent: 5915361 (1999-06-01), Heinz et al.
patent: 5941215 (1999-08-01), Augustin

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