Torque measuring device for rotating body

Details Torque measuring device for rotating body Torque measuring device for rotating body

2006-06-27

2006-06-27

Lauchman, Layla G. (Department: 2877)

Measuring and testing

Dynamometers

Responsive to torque

C073S862325, C356S152300

Reexamination Certificate

active

07066035

ABSTRACT:
A torque measuring device for a rotating body comprises: a rotary section composed of first and second flanges to be joined respectively to driving and driven shafts, and a hollow cylinder having the first and second flanges formed respectively on both edges thereof; torque detectors provided at an inner circumference of the cylinder; light emitting elements provided at an outer circumference of the rotary section and adapted to emit light according to an output from the torque detectors thereby generating an optical signal; a light receiving fiber disposed outside the rotary section and adapted to receive the optical signal from the light emitting elements; and a rotary transformer composed of a primary coil constituted by an annulus with two-part separable structure disposed outside the rotary section and a secondary coil provided at the outer circumference of the rotary section, and adapted to supply electrical power to the rotary section.

REFERENCES:
patent: 5490431 (1996-02-01), O'Mahony et al.
patent: 5907106 (1999-05-01), Segar
patent: 1130373 (2001-09-01), None
patent: 1170577 (2002-01-01), None
patent: WO 99 05493 (1999-02-01), None
Patent Abstracts of Japan, vol. 1995, No. 01, Feb. 28, 1995 & JP 06 301881 A (Kyowa Electron Instr Co Ltd) Oct. 28, 1994.
Patent Abstracts of Japan, vol. 2002, No. 3, Apr. 3, 2002 & JP 2001 330525 (Minebea Co Ltd) Nov. 30, 2001.

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