Rotation angle detecting device for a camshaft provided in an in

Details Rotation angle detecting device for a camshaft provided in an in Rotation angle detecting device for a camshaft provided in an in

1995-07-24

1997-05-06

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

32420725, 123617, G01B 730, F02P 1700, F01L 100

Patent

active

056274645

ABSTRACT:
A rotation angle detecting device according to the present invention comprises: a sensor having a first yoke made of a magnetic material on which a magnet is mounted, a second yoke made of a magnetic material on which a magnetic flux detector is mounted, which is disposed opposite to the first yoke with a predetermined space, and a housing for supporting the first yoke and the second yoke, and a vane secured on a camshaft of an internal combustion engine, having a wall portion which passes through space between the first yoke and the second yoke, and a rotation angle of the internal combustion engine is detected in accordance with a signal produced at said magnetic flux detecting device by passage of the wall portion of said vane through said space.

REFERENCES:
patent: 4454856 (1984-06-01), Fox et al.
patent: 5028868 (1991-07-01), Murata et al.
patent: 5299451 (1994-04-01), Brosse

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