Fuel injection regulating valve

Details Fuel injection regulating valve Fuel injection regulating valve

1989-10-23

1990-11-06

Michalsky, Gerald A.

Fluid handling

Systems

Programmer or timer

123449, 13762517, F16K 1106

Patent

active

049677969

ABSTRACT:
A fuel injection control valve has a housing with a high pressure fuel inlet, a fuel outlet and a spill passage. A spool is rotatably and slidably received in the housing. The spool has peripheral delivery and spill control recesses which control communication of fuel to the outlet and through the spill passage as the spool rotates. The width and depth of the recesses may be adjusted to achieve desired timing and flow rate control. The spool is threadably connected to a rotating drive shaft. The spool is movable axially to adjust the amount of fuel delivered for each spool rotation and can be rotated relative to the engine drive system to adjust injection timing.

REFERENCES:
patent: 1967851 (1934-07-01), Wilson
patent: 2141428 (1938-12-01), Carroll
patent: 3894518 (1975-07-01), Gavrun et al.
patent: 3960115 (1976-06-01), Lamping et al.
patent: 3991723 (1976-11-01), Myers
Berman & DeLuca, "Fuel Injection and Controls for Internal Combustion Engines-Mechanical Injection", pp. 18-21, 1962.
Brady, "Diesel Fuel Systems", pp. 100-102, 1981.

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