Eddy current proximity sensor for use in a hostile turbine envir

Details Eddy current proximity sensor for use in a hostile turbine envir Eddy current proximity sensor for use in a hostile turbine envir

1982-07-30

1986-01-07

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

336 92, G01B 714, H01F 2702

Patent

active

045636435

ABSTRACT:
An eddy-current sensor having a thimble shaped alumina housing into which is positioned first and second coils wound about an insulating coil support. A Kovar sealing ring seals the alumina housing to a metallic base member to which is secured a protective tube carrying an electrical cable which makes electrical connection with the coils. A multifaceted nut secured to the metallic shielding of the cable nestles within a complementary shaped insulating member to prevent the cable from being twisted or withdrawn from the sensor thus maintaining electrical integrity.

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