In-line rotating torque sensor with on-board amplifier

Details In-line rotating torque sensor with on-board amplifier In-line rotating torque sensor with on-board amplifier

1989-06-13

1990-12-25

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

7386233, G01L 314

Patent

active

049793977

ABSTRACT:
A rotating torque sensor apparatus and method for measuring small torques comprising a shaft, a platform having a circuit board and a first moment arm attached to the shaft, a rotatable wheel coaxial with the shaft and having a second moment arm spaced apart from the first moment arm with a load cell therebetween for generating an electric signal as the torque is applied to the shaft and transferred through the moment arms to the load cell. The electrical signal is conducted from the load cell to the circuit board for filtering and amplification before being extracted from the torque assembly through a slip ring.

REFERENCES:
patent: 2580395 (1952-01-01), Bellizzi
patent: 3200624 (1965-08-01), Tix
patent: 3298223 (1967-01-01), Dyer
patent: 3664184 (1972-05-01), Dyer
patent: 3824845 (1974-07-01), Huebner
patent: 3877300 (1975-04-01), Ginns
patent: 4096743 (1978-06-01), Diamond
patent: 4668096 (1987-05-01), Saaty
patent: 4704035 (1987-11-01), Kowalczyk
patent: 4723450 (1988-02-01), Coulter
patent: 4724711 (1988-02-01), Sakakibara et al.
patent: 4747690 (1988-05-01), Hayashi
patent: 4754652 (1988-07-01), Coulter et al.

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