G - Physics – 08 – C
Patent
G - Physics
08
C
340/136
G08C 21/00 (2006.01) G01D 5/34 (2006.01)
Patent
CA 1164069
48, 522 ABSTRACT OF THE DISCLOSURE A sensing mechanism for determining the open or closed condition of a valve member located at a remote location. First and second optical fiber sections are aligned with a rotatable light modulator between the sec- tions. Rotational movement of the modulator is governed by movement of a portion of the valve such that the light transmitted through the modulator may be detected to pro- vide an indication of valve condition.
378511
Garrett Donald P.
Lenderking Bruce N.
Oldham And Company
Westinghouse Electric Corporation
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