Torque and position sensor

Details Torque and position sensor Torque and position sensor

1996-08-22

1998-11-17

Dougherty, Elizabeth L.

Measuring and testing

Dynamometers

Responsive to torque

73862325, G02L 302

Patent

active

058379088

ABSTRACT:
A combination torque and position sensor is provided for measuring the torque applied to a rotatable shaft, and measuring the position of the shaft as it is rotated. The combination sensor includes a fixed disc formed of a non-conducting insulating material with a circular resistive position track and a circular resistive torque track disposed around a surface of the disc. A first input voltage supply contact and a first ground contact in fixed relation to one another and are held in rotatable contact with said torque track. A torque signal output contact also held in rotatable contact with the torque track is positioned between the first voltage supply contact and the first ground contact such that torque applied to the shaft alters the relative position between the torque output contact and the first voltage supply and first ground contacts. The torque output contact provides an output voltage signal proportional to the amount of torque applied to said shaft. A second input voltage supply contact and a second ground contact are held in rotatable contact with the position track. At least one position signal output contact is electrically connected to the position track and provides an output voltage signal proportional to the angular position of said shaft.

REFERENCES:
patent: 5009386 (1991-04-01), Stokes et al.
patent: 5168756 (1992-12-01), Hulsing, II
patent: 5195382 (1993-03-01), Peilloud
patent: 5369583 (1994-11-01), Hazelden
patent: 5467020 (1995-11-01), Boyette, Jr. et al.
patent: 5513536 (1996-05-01), Reger et al.
patent: 5524485 (1996-06-01), Bernard et al.

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