Fuel pressure control using hysteresis pump drive

Details Fuel pressure control using hysteresis pump drive Fuel pressure control using hysteresis pump drive

1994-04-11

1996-04-16

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123456, 417214, F02M 3704

Patent

active

055072666

ABSTRACT:
Fuel pressure in a deadheaded fuel rail is regulated by an eddy current clutch that forms part of the mechanism that mechanically couples the engine crankshaft with a fuel pump which delivers pressurized fuel to the rail. An electric control that receives several inputs, including engine speed and fuel rail pressure, controls the degree of coupling that is provided by the clutch so that the pressure is regulated even though the engine speed and fuel demand change during normal engine operation.

REFERENCES:
patent: 3985468 (1976-10-01), Lewis
patent: 4800859 (1989-01-01), Sagisaka
patent: 4827897 (1989-05-01), Yamada
patent: 5133323 (1992-07-01), Treusch
patent: 5233944 (1993-08-01), Mochizuchi
patent: 5237975 (1993-08-01), Betki

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