Deformation measuring device for measuring the torque of a cylin

Details Deformation measuring device for measuring the torque of a cylin Deformation measuring device for measuring the torque of a cylin

1994-12-23

1996-12-17

Wieder, Kenneth A.

Measuring and testing

Dynamometers

Responsive to torque

73782, G01L 122

Patent

active

055855725

ABSTRACT:
The invention relates to a deformation measuring device (11) for measuring the torque of a cylindrical shaft (10), which device consists of a sensor (12) which rotates together with the shaft (10) and at least one transducer (16) for converting a torque-dependent deformation of the shaft (10) into a signal which can be evaluated and displayed, the sensor (12) being mounted in an axially aligned manner on the external surface (13) of the shaft (10) and comprising edge portions (14, 19) which extend in the axial direction and which are mounted on the external surface (13) of the shaft (10) so as to transmit the deformation of the shaft, the sensor (12) comprising at least one portion (15) of reduced cross-section which is situated between said edge portions (14, 19) and which supports a deformation transducer (16).

REFERENCES:
patent: 2392293 (1946-01-01), Ruge
patent: 2423620 (1947-07-01), Ruge
patent: 2428012 (1947-09-01), Collins, Jr. et al.
patent: 2563425 (1951-08-01), Schaevitz
patent: 2566566 (1951-09-01), Howes
patent: 3610036 (1971-10-01), Saxl
patent: 3791205 (1974-02-01), Hooker
patent: 3850030 (1974-11-01), Adler
patent: 4502340 (1985-03-01), Gebben
patent: 4649758 (1987-03-01), Harbonr
"Measuring Force in Difficult or Varying Environments" H. M. Morris, Control Engineering, Sep. 1978.
"Mikrorechnergestutzte Werkzeuguberwachung auf der Basis von Dehhnungsmessungen an Drehmachinen", Stange, B, Feingeratetechnik 36, 1987.
"Drehmoment-Messung", Dr. Steiger, Mohilo+Co. GmbH, Baumwasenstr. 5, D-7060 Schorndorf, p. 11.

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