Torquemeter

Details Torquemeter Torquemeter

1987-04-02

1988-11-29

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 310

Patent

active

047872551

ABSTRACT:
The present invention relates to a device for detecting and measuring tor transmitted from a prime mover to a rotary machine acting as a load. The device includes a torsion shaft through which the torque is transmitted and as a result it is slightly twisted about its axis. A pair of recording mediums are mounted at spaced locations on the torsion shaft. On each recording medium is permanently recorded a periodic signal. A pair of reading head are used to detect the signal on one of the recording mediums while a single reading head is employed to detect the signal on the other recording medium. The output signals generated by the reading heads are processed by a microcomputer to derive the torque information and the direction of rotation of the torque shaft.

REFERENCES:
patent: 2947168 (1960-08-01), Yang
patent: 3142981 (1964-08-01), Gross
patent: 3170323 (1965-02-01), Kuhrt et al.
patent: 3580352 (1971-05-01), Hestad et al.
patent: 3751975 (1973-08-01), Katsura
patent: 3871215 (1975-03-01), Pratt, Jr. et al.
patent: 3935733 (1976-02-01), Schindler
patent: 4208904 (1980-06-01), Schindler
patent: 4448084 (1984-05-01), Dobler et al.
patent: 4513626 (1985-04-01), Obayashi et al.

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