Fuel injection pump responsive to an engine's intake air pressur

Details Fuel injection pump responsive to an engine's intake air pressur Fuel injection pump responsive to an engine's intake air pressur

1977-08-03

1979-05-15

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123140MP, 417462, F02M 3902, F02D 106

Patent

active

041542045

ABSTRACT:
A fuel injection pump for an internal combustion engine comprises a rotor, a pair of plungers located in a transverse bore formed in the rotor and to which inward movement is imparted by roller shoes which support respective rollers engaged by a cam ring having cam lobes on its internal periphery.
The roller shoes are engageable by stop members, the roller shoes and stop members having complementary surfaces with a continuous and/or discontinuous profile thereby to allow variation of the maximum fuel amount delivered to the engine. The roller shoes are axially displaceable by hydraulic driving means fed by a pressure which is made dependent on the air pressure introduced into the engine by a valve comprising a piston slidable in a cylinder and subject to the action of air pressure responsive means and a discharge port the effective section of which is adjustable by the position of the piston.

REFERENCES:
patent: 3771506 (1973-11-01), Davis
patent: 3910723 (1975-10-01), Bonin
patent: 3960126 (1976-06-01), Shinoda

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