Internal-combustion engines – Charge forming device – With fuel pump
Patent
1991-07-18
1992-04-07
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
With fuel pump
123450, 417440, F02M 4106
Patent
active
051017989
ABSTRACT:
A distributor type fuel pumping apparatus includes pumping plungers and auxiliary plungers both operated by cams as the distributor member is rotated. The pumping plungers are housed in a bore from which fuel is delivered to outlets in turn. In order to control the start and function of fuel delivery a shuttle is movable axially by the fluid delivered by the auxiliary plungers and is angularly adjustable. A sleeve is mounted about the shuttle and is movable axially in response to engine speed. The shuttle and sleeves define a spill path through which fuel can escape from the bore and which is closed after a first predetermined axial movement of the shuttle and they also define a flow path which is opened after a further predetermined axial movement of the shuttle. Fluid flow through the flow path operates a spill valve to allow spillage of fuel from the bore.
REFERENCES:
patent: 3288124 (1966-11-01), Roosa
patent: 4176640 (1979-12-01), Skinner
patent: 4446836 (1984-05-01), Mowbray
patent: 4601274 (1986-07-01), Seilly
patent: 4920940 (1990-05-01), Harris
patent: 5035587 (1991-07-01), Collingborn
patent: 5044345 (1991-09-01), Collingborn
patent: 5044893 (1991-09-01), Collingborn
patent: 5044898 (1991-09-01), Harris
patent: 5044899 (1991-09-01), Nicol
Lucas Industries
Miller Carl Stuart
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