Position sensing arrangement for use in fuel injection pump or t

Details Position sensing arrangement for use in fuel injection pump or t Position sensing arrangement for use in fuel injection pump or t

1983-12-01

1993-03-30

Miller, Carl Stuart

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123494, 73119A, 361292, F02D 3100, H01G 504

Patent

active

051974290

ABSTRACT:
A position sensor for a valve or the like includes a first electrode disposed about the valve or a member associated therewith in a manner that the interfacial area betwen the valve and the electrode remains constant irrespective of the position of the valve. One or more second electrodes are disposed in a manner that the interfacial area between the valve and the electrode varies with the position of the valve. By sensing the change in electrostatic capacity between the electrodes the position of the valve may be detected. The sensor finds application in a fuel injection pump wherein it permits a very compact solenoid (motor)/sensor arrangement.

REFERENCES:
patent: 3312892 (1967-04-01), Parnes
patent: 3630643 (1971-12-01), Eheiom
patent: 3702957 (1972-11-01), Wolfendale
patent: 4036193 (1977-07-01), Kobayashi
patent: 4206401 (1980-06-01), Meyer
patent: 4462361 (1984-07-01), Karle

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