Torsion detection apparatus for power transmission shaft and pow

Details Torsion detection apparatus for power transmission shaft and pow Torsion detection apparatus for power transmission shaft and pow

1997-03-19

1998-08-18

Oen, William L.

Measuring and testing

Dynamometers

Responsive to torque

G01L 302, G01L 310

Patent

active

057960135

ABSTRACT:
The invention provides a power transmission apparatus which includes a power transmission shaft having a pair of universal joints provided at the opposite ends thereof, and a torsion detection apparatus for detecting a torsion of the power transmission shaft when the power transmission shaft is acted upon by a rotating force. The torsion detection apparatus includes a pair of rotatable members mounted on the power transmission shaft for rotation together with the power transmission shaft and a detection means. The rotatable members have at least one pair of opposing portions which are opposed to each other in a spaced relationship from each other around the power transmission shaft, and the detection means includes a sensor mounted on one of the opposing portions of the rotatable members for detecting an approach of the other opposing portion to the one opposing portion.

REFERENCES:
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patent: 3545265 (1970-12-01), Mclraith et al.
patent: 4509375 (1985-04-01), Davis
patent: 4682505 (1987-07-01), Morissette et al.
patent: 4920788 (1990-05-01), Ando et al.
patent: 4967858 (1990-11-01), Kotake et al.
patent: 5020616 (1991-06-01), Yagi et al.
patent: 5031455 (1991-07-01), Cline
patent: 5065633 (1991-11-01), Mercat
patent: 5195383 (1993-03-01), Tanaka et al.

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