Servo valve type timer for fuel injection pump

Details Servo valve type timer for fuel injection pump Servo valve type timer for fuel injection pump

1995-06-19

1997-06-17

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

F02M 3704, F02D 118

Patent

active

056387946

ABSTRACT:
A servo valve type timer for controlling a fuel injection timing on the basis of the difference in pressure between a high-pressure chamber and a low-pressure chamber, including a timer piston for adjustment of a fuel injection timing which is disposed between the high-pressure chamber and the low-pressure chamber so as to be slidable between the high-pressure chamber and the low-pressure chamber and is operated in accordance with a fuel pressure introduced into the high-pressure chamber and/or the low-pressure chamber, a servo valve for controlling the operation of the timer piston, and a pressure control member for adjusting the fuel pressure of the low-pressure chamber.

REFERENCES:
patent: 4534332 (1985-08-01), Eheim et al.
patent: 4590913 (1986-05-01), Faupel et al.
patent: 4593669 (1986-06-01), Igarashi
patent: 4638782 (1987-01-01), Yasuhara et al.
patent: 4753211 (1988-06-01), Hofer
patent: 5263457 (1993-11-01), Konrath et al.
patent: 5413079 (1995-05-01), Laufer
patent: 5413080 (1995-05-01), Laufer

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