Method for varying the flow rate of fuel in a distributor-type e

Details Method for varying the flow rate of fuel in a distributor-type e Method for varying the flow rate of fuel in a distributor-type e

1990-12-19

1992-05-26

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123500, 123506, F02M 3900

Patent

active

051157837

ABSTRACT:
A method for varying the flow rate of fuel in a distributor-type electronic control fuel-injection pump. A single solenoid valve is used to control the timing of initiating and terminating fuel delivery. A cam is operated under four different modes, a low idle or a low speed/low load zone, a middle load zone, a high load zone, and a governing or high idle zone in that order as the cam is rotated. At the governing or high idle zone, the solenoid valve is closed before the cam is lifted and is opened to control fuel delivery when it is terminated.

REFERENCES:
patent: 4029071 (1977-06-01), Saito
patent: 4385614 (1983-05-01), Eheim
patent: 4714068 (1987-12-01), Nagase
patent: 4870936 (1989-10-01), Eheim
patent: 4962743 (1990-10-01), Perr

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