Fuel injection

Details Fuel injection Fuel injection

1989-06-21

1990-09-11

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Auxiliary air or gas used to inject fuel

123531, 137 87, F02M 6702, G05D 1620

Patent

active

049553500

ABSTRACT:
A pressure regulator has a spool valve positioned by a linear motor to control flow through a spill passage from a fuel inlet to a fuel outlet and thereby control the fuel pressure in the inlet as a function of the current in the linear motor, a piston subjected to the pressure in the fuel inlet and defining a variable orifice adapted to create a reference pressure at a desired differential from the pressure in the fuel inlet, a diaphragm subjected to the reference pressure and the pressure in the air inlet, and a valve positioned by the diaphragm to control flow from the air inlet to the air outlet whereby the pressure in the air inlet is maintained at a desired differential below the pressure in the fuel inlet.

REFERENCES:
patent: 3987771 (1976-10-01), Oglesby
patent: 4708117 (1987-11-01), Mesenich et al.
patent: 4754735 (1988-07-01), Simons
patent: 4770094 (1988-09-01), Schiel
patent: 4803968 (1989-02-01), Czwienczek et al.
patent: 4841942 (1989-06-01), McKay

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