Liquid fuel injection pumping apparatus

Details Liquid fuel injection pumping apparatus Liquid fuel injection pumping apparatus

1981-10-13

1983-07-19

Myhre, Charles J.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123446, 123387, 123479, 417462, 417206, F02D 1700, F02D 106

Patent

active

043938264

ABSTRACT:
A liquid fuel injection pumping apparatus of the axially slidable rotor type includes a low pressure supply pump which supplies fuel to an injection pump including pumping plungers mounted in a rotary distributor member. A surface of the distributor member is located within a chamber to which a control pressure can be supplied by way of a control valve from the outlet of the low pressure pump. The distributor member is moved by increasing control pressure against a spring to reduce the amount of fuel supplied by the injection pump. A valve is provided which is responsive to the pressure drop across the control valve, the valve acting to prevent flow of fuel to the injection pump in the event that the pressure drop across the control valve falls below a predetermined value.

REFERENCES:
patent: 2999463 (1961-09-01), Cameron-Johnson
patent: 3263614 (1960-08-01), Kemp
patent: 3289590 (1966-12-01), Hutcheon
patent: 3485225 (1969-12-01), Bailey
patent: 3592176 (1971-07-01), Fenne
patent: 3663123 (1972-05-01), Fenne
patent: 4291532 (1981-09-01), Robinson
patent: 4327684 (1982-05-01), Sami

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