Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent
1996-12-03
1998-04-14
Moulis, Thomas N.
Internal-combustion engines
Engine speed regulator
Having condition responsive means with engine being part of...
123494, 137554, F02D 3100, F16K 3700
Patent
active
057380716
ABSTRACT:
An apparatus and methods are provided for sensing movement of a fuel injector valve of a fuel injection system. The apparatus preferably includes a fuel pump for pumping fuel to flow to a combustion chamber of an engine and a first valve positioned in fluid communication with the fuel pump for allowing fuel to flow directly into the combustion chamber when in an open position. A second valve is positioned in fluid communication with the first valve and the fuel pump for allowing fuel to flow to the first valve when in an open position. A second valve actuator is positioned responsive to desired fuel injection for actuating the second valve. A sensor is positioned to sense movement of the first and second valves and the actuation of the second valve actuator. A movement differentiator is preferably positioned responsive to the sensor for differentiating a time of moving of the first valve from the time of moving of the second valve and the actuation of the second valve actuator.
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Smith, Jr. Marshall E.
Stettler Richard W.
Wolff Peter U.
Moulis Thomas N.
Wolff Controls Corporation
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