Extended life potentiometric position transducer

Details Extended life potentiometric position transducer Extended life potentiometric position transducer

1992-05-11

1993-02-16

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338137, 338135, 338162, 338182, 338196, 338176, H01C 1024

Patent

active

051874644

ABSTRACT:
A potentiometric position transducer comprises a resistive track movably mounted within a housing. A portion of the resistive track is between two fixed electrical contact points. A third electrical contact is moveable over such portion, corresponding to the position or setting of an exterior device, such as the throttle of an internal combustion engine. Drive means are provided to move the resistive track, to repeatedly substitute new portions of the resistive track between the two fixed contact points. Wear is spread over the entire resistive track.

REFERENCES:
patent: 4114132 (1978-09-01), DeRouen et al.
patent: 4114133 (1978-09-01), Stephens
patent: 4355293 (1982-10-01), Driscoll
patent: 4427966 (1984-01-01), Gratzinger et al.
patent: 4500866 (1985-02-01), Romann et al.
patent: 4616504 (1986-10-01), Overcash et al.
patent: 4621250 (1986-11-01), Echasseriau et al.
patent: 4693111 (1987-09-01), Arnold et al.

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