Turbomachine tip clearance sensor

Details Turbomachine tip clearance sensor Turbomachine tip clearance sensor

1988-04-27

1989-03-21

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

73660, G01M 1500

Patent

active

048132730

ABSTRACT:
An axially extending electrode (16) is provided on a casing liner (10) such that a capacitor is formed, with rotor blades constituting the other electrode, and the tip clearance therebetween forming a dielectric. The axial length of the electrode (16) exceeds that swept by the rotor blade tips and is sufficient for any axial movement of the rotor blades under operating conditions not to affect the capacitance of the sensor.

REFERENCES:
patent: 2575710 (1951-11-01), Hardigg
patent: 2842738 (1958-07-01), Warnick

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