Fuel injection valve with guide balls for needle valve

Details Fuel injection valve with guide balls for needle valve Fuel injection valve with guide balls for needle valve

1998-06-19

2000-06-13

Shaver, Kevin

Valves and valve actuation

Reciprocating valve

Piston

25112915, F16K 100, F02M 5100

Patent

active

060739118

ABSTRACT:
A fuel injection valve with a valve needle of a narrow guidance play of the valve needle and the guide opening of the valve housing are improved by two guide sections of the valve needle being guided by guide balls which are seated against conical faces adjacent to the two guide sections. The balls are pressed against the conical faces by use of a compression spring. The fuel injection valve is particularly suited for injecting fuel into mixture compressing internal combustion engines with externally supplied ignition.

REFERENCES:
patent: 4778147 (1988-10-01), Kozuka et al.
patent: 5287997 (1994-02-01), Rodrigue et al.

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