Position sensor apparatus

Details Position sensor apparatus Position sensor apparatus

1997-07-25

1999-01-05

Raevis, Robert

Measuring and testing

Simulating operating condition

Marine

338131, G01M 1900

Patent

active

058566180

ABSTRACT:
A potentiometric position sensor (16, 40) is shown having first and second electrical contact wipers (24, 26; 24', 26') mechanically coupled to the control rod (14) of an automotive manual transmission. An electrical resistive circuit is formed on a flexible substrate (28, 28') which is mounted on the inside cylindrical surface (28a, 46a) of a housing (18, 46). The first contact wiper is adapted to wipe over a first set of resistive elements (28a, 28b, 28c; 28a', 28b', 28c') and the second contact wiper is adapted to wipe over a second set of resistive elements (28f, 28g, 28h; 28f', 28g', 28h) to provide unique analog voltage outputs dependent upon the position of the control rod along a translational and rotational axis (14a). In one embodiment the contact wipers (24, 26) are mounted on a rotor (22) which in turn is mounted directly on the control rod (14). In a second embodiment the contact wipers (24', 26') are mounted on a rotor (42) which is mechanically coupled to the control rod (14) via a ball and socket mechanism (48a, 50a).

REFERENCES:
patent: 2866124 (1958-12-01), Giiuffrida et al.
patent: 3522542 (1970-08-01), LaBude et al.
patent: 3597717 (1971-08-01), Kent
patent: 4620176 (1986-10-01), Hayes
patent: 4912997 (1990-04-01), Malcolm et al.

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