Electro-pressure conversion control device

Details Electro-pressure conversion control device Electro-pressure conversion control device

1986-08-08

1988-02-02

Cohan, Alan

Internal-combustion engines

Charge forming device

Fuel injection system

137 82, 123459, 251 3001, F02M 3900, G05D 1600

Patent

active

047223120

ABSTRACT:
An electro-pressure conversion control device comprising a fluid passage formed in a device body, which fluid passage includes a fluid inlet at one end, a throttle, a jetting hole at the other end, and a control pressure taking port provided between said throttle and said jetting hole and a plate which is driven by an electrical actuator in such a manner as to go across the axis of the jetting hole thereby to open and close the jetting hole whereby the jetting hole operates as a variable throttle. The plate is displaced in a direction perpendicular to the axis of the jetting hole by the electrical actuator to control the degree of opening of the jetting hole thereby to control the pressure in the fluid passage between the throttle and the jetting point so as to provide a pressure which varies according to an electrical signal applied to the electrical actuator.

REFERENCES:
patent: 2729751 (1956-01-01), Westman
patent: 2813519 (1957-11-01), Persson
patent: 3063422 (1962-11-01), Gregowski
patent: 4327864 (1982-05-01), Gupta
patent: 4566416 (1986-01-01), Berchtold
patent: 4610263 (1986-09-01), Barnes

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