Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-06-21
1979-02-13
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123139AP, 123139AF, 417462, 417251, F02M 3902, F04B 300
Patent
active
041389816
ABSTRACT:
A fuel pumping apparatus comprises a piston movable by fluid pressure to vary the timing of delivery of fuel to an associated engine. Valve means provides fuel under pressure which varies in accordance with the speed at which the engine is driven and fuel at this pressure is applied to the piston through a first fixed orifice. A second fixed orifice is connected to the downstream side of the first orifice and a variable orifice is provided to control the fluid flow through the second orifice. The size of the variable orifice is dependent upon the amount of fuel supplied to the associated engine by the apparatus. In addition a pressure responsive valve is provided which defines a flow path connected in parallel with one of the orifices, the valve being subjected to a fluid pressure within the system.
REFERENCES:
patent: 3936232 (1976-02-01), Mowbray
patent: 4014305 (1977-03-01), Skinner et al.
patent: 4019835 (1977-04-01), Skinner
patent: 4050433 (1977-09-01), Tokashiki
patent: 4074667 (1978-02-01), Skinner
patent: 4080109 (1978-03-01), Green
Lall P. S.
Lucas Industries Ltd.
Myhre Charles J.
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