Apparatus for sensing relative rotation between members

Details Apparatus for sensing relative rotation between members Apparatus for sensing relative rotation between members

1987-06-04

1989-01-31

Noland, Tom

Measuring and testing

Dynamometers

Responsive to torque

7386232, G01L 310

Patent

active

048007641

ABSTRACT:
An apparatus for sensing the amount and direction of relative rotational movement between an input member and an output member about a common central axis. The apparatus includes a ring link. The ring link is mounted for pivotal movement relative to the input and output members about a first axis extending transverse to the central axis. The ring link is pivoted in response to relative rotation of the input and output members. A transformer element is mounted for movement along the central axis and movable along the central axis upon pivotal movement of the ring link. The position of the transformer element is sensed and an electrical output signal is generated indicative of the amount and direction of movement of the transformer element.

REFERENCES:
patent: 891018 (1908-06-01), Vawter, Jr.
patent: 2498282 (1950-02-01), Langer
patent: 3084540 (1963-04-01), Larkin
patent: 3104544 (1963-09-01), Guiot
patent: 3580352 (1971-05-01), Hestad et al.
patent: 4193720 (1980-03-01), Machida
patent: 4437531 (1984-03-01), Urabe
patent: 4629952 (1986-12-01), Shimizu
patent: 4635741 (1987-01-01), Morishita et al.

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