G - Physics – 01 – D
Patent
G - Physics
01
D
340/102
G01D 5/20 (2006.01) G01D 3/032 (2006.01) G01K 13/08 (2006.01) G01L 1/22 (2006.01) G08C 15/06 (2006.01) G08C 17/04 (2006.01)
Patent
CA 1116265
ABSTRACT OF THE DISCLOSURE 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 electro- nic 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.
333250
Akatsu Toshio
Fujiyoshi Toshimitsu
Kinoshita Kazuto
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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