Accumulator type injection nozzle

Details Accumulator type injection nozzle Accumulator type injection nozzle

1990-07-20

1992-07-07

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Injection nozzle opened by relieving supply

23953312, 2395853, 2395339, 239124, F02M 4700, F02M 6120

Patent

active

051275830

ABSTRACT:
An accumulator type fuel injector system including an arrangement for changing the bias on the injector valve as the pressure of the fuel increases so as to reduce the sensitivity of the device to pressure variations as may occur under low speed operation. In the embodiments, the arrangement for changing the bias comprises either an elastomeric or a coil spring that acts against the main biasing spring of the injector valve and which are responsive to pressure in the accumulator chamber. In addition, a tapered discharge port arrangement is incorporated for the injector nozzle so that proportionately greater amounts of fuel will be discharged as the lift of the injection valve increases.

REFERENCES:
patent: 3442451 (1969-05-01), De Nagel
patent: 3669354 (1972-06-01), Helyer
patent: 3747857 (1973-07-01), Fenne
patent: 4442978 (1984-04-01), Seifert
patent: 4509691 (1985-04-01), Skinner
patent: 4516729 (1985-05-01), Fussner et al.
patent: 4684067 (1987-08-01), Cotter et al.
patent: 4768751 (1988-09-01), Giachino et al.
patent: 4899935 (1990-02-01), Yoshida et al.
patent: 4993636 (1991-02-01), Taue et al.
patent: 5004154 (1991-04-01), Yoshida et al.

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