Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1978-04-24
1979-11-13
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
417462, 123139AL, 123139AN, 417254, F02M 3900, F04B 1902, F04B 300
Patent
active
041739590
ABSTRACT:
A fuel injection pumping apparatus for supplying fuel to an internal combustion engine includes an injection pump comprising a pair of reciprocable plungers located in a bore and moved inwardly in timed relationship by cam lobes formed on an annular cam ring. The bore containing the plungers is connected to a delivery passage whereby fuel is delivered in turn during successive inward movement of the plunger to a plurality of outlet ports. Fuel is supplied to the injection pump by way of valve means from a further pump, also incorporating a pair of reciprocable plungers movable inwardly by means of cam lobes on a cam ring. The displacement of the plungers of the further pumps is greater than that of the plungers of the injection pump and means is provided to alter the stroke of the plungers of the further pump during which fuel is supplied to the injection pump. In one example this is achieved by means of a spill port which is brought into register with the bore containing the plungers of the further pumps and in addition the cam ring of the further pump is angularly adjustable.
REFERENCES:
patent: 2989003 (1961-06-01), Evans
patent: 3074351 (1963-01-01), Foster
patent: 3228339 (1966-01-01), Evans
patent: 4083345 (1978-04-01), Davis
patent: 4098249 (1978-07-01), Mowbray
Potter James C.
Sosnowski Stanislaw J. A.
Lucas Industries Limited
Miller Carl Stuart
Myhre Charles J.
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