Fuel injection pump for internal combustion engines

Details Fuel injection pump for internal combustion engines Fuel injection pump for internal combustion engines

1982-09-07

1983-12-06

Lazarus, Ira S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

417294, F02D 106

Patent

active

044186673

ABSTRACT:
There is proposed a fuel injection pump wherein the full load feed quantity is defined by a speed-dependent correction of the maximum full load quantity. The pump comprises a control device which acts on a stop lever via a stop piston. The stop lever receives the full load stop and determines the position of a flow quantity adjustment member. The stop piston is connected with a control diaphragm which separates a control chamber from a spring chamber and comprises a bore which is connected to the suction chamber of the pump and in which a control piston is provided so as to be slidable in opposition to the force of a control spring. The control chamber is connected to the suction chamber via a throttle orifice. The control piston is pushed by the fuel pressure in the suction chamber in opposition to the control spring and it closes with a control edge a control opening in the stop piston such that the pressure in the control chamber increases and the control diaphragm with the piston is moved against the force of a work spring until the control edge opens the control opening and fuel is allowed to flow via an annular channel from the control chamber to the spring chamber.

REFERENCES:
patent: 3635603 (1972-01-01), Eheim
patent: 4286559 (1981-09-01), Ritter et al.
patent: 4308834 (1982-01-01), Eheim

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