Method of and system for measuring physical quantities of a rota

Details Method of and system for measuring physical quantities of a rota Method of and system for measuring physical quantities of a rota

1979-08-03

1981-02-03

Gill, James J.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

73351, 34087013, G01B 718, G08C 1510

Patent

active

042480957

ABSTRACT:
A method and system are disclosed for measuring physical quantities of a rotating body at many points thereof in a contact-free manner. The present measurement comprises electromagnetically applying control signals to the rotating body outside the body and taking out such physical quantities as mechanical strains, temperatures, etc. at many points of a rotating body with high accuracy, in a desired manner irrespective of the revolution of the body. Detecting circuits for detecting physical quantities such as mechanical strains or temperatures of a rotating body are additively and detachably provided at many measuring points of the body. The rotating body is also provided with electronic switches which can be arbitrarily changed over by control signals transmitted electromagnetically from the stationary side. The output signals from the detecting circuits are switched over by the electronic switches and transmitted electromagnetically to the stationary side.

REFERENCES:
patent: 2800790 (1957-07-01), Schover
patent: 3197565 (1965-07-01), Yoder et al.
patent: 3796993 (1974-03-01), Fox et al.
patent: 3876998 (1975-04-01), Richter et al.
patent: 3886787 (1975-06-01), Akatsu et al.

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