Liquid fuel injection pumping apparatus

Internal-combustion engines – Charge forming device – Fuel injection system

Patent

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Details

123459, 123506, F02M 3900

Patent

active

045761337

ABSTRACT:
A liquid fuel injection pumping apparatus comprises a plunger reciprocable in a bore, an electrically operated spill valve to divert fuel pumped by the plunger to prevent it reaching an outlet. In an emergency the spill valve can be closed and valve means used to provide a restricted flow of fuel to the bore to allow continued fuel supply to an associated engine. The plunger defines a spill path which is opened at a predetermined position during the inward movement of the plunger and this terminates delivery of fuel from the bore to the outlet.

REFERENCES:
patent: 4351283 (1982-09-01), Ament
patent: 4474158 (1984-10-01), Mowbray

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