Vibrator thermal-stress differential compensator

Details Vibrator thermal-stress differential compensator Vibrator thermal-stress differential compensator

1984-10-12

1986-12-16

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Vibrator-type transmitter

181114, 181119, G01V 104, H04R 1100

Patent

active

046302476

ABSTRACT:
An apparatus for preventing thermally-induced stress fatigue in a vibrator support housing consists of a stress compensator that absorbs thermal dimensional changes between major structural components made of dissimilar materials. The stress compensator consists of a hydraulic clamp wedged between the free end of a vibrator actuator piston shaft and the supporting housing. Actuated by the substantially-constant system hydraulic pressure, the hydraulic clamp maintains a substantially constant clamping force between the actuator piston shaft and the supporting housing. Thermally-induced stresses are absorbed by the hydraulic system.

REFERENCES:
patent: 4056164 (1977-11-01), Johnston
patent: 4114722 (1978-09-01), Weber et al.
patent: 4147228 (1979-04-01), Bouyoucoj
patent: 4388981 (1983-06-01), Fair
patent: 4406345 (1983-09-01), Fair
patent: 4410062 (1983-10-01), Mifsud
patent: 4506758 (1985-03-01), Fair
patent: 4519053 (1985-05-01), Bedenbender et al.

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