Thermal measuring and testing – Temperature measurement – By a vibratory effect
Patent
1985-12-30
1987-11-10
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
By a vibratory effect
337321, G01K 1122
Patent
active
047062592
ABSTRACT:
Prior mounting systems for tuning fork temperature sensors have resulted in unpredictable activity dips within the sensor operating ranges. This problem is eliminated by the mounting and isolation system (32) of the present invention that is adapted to mount temperature sensitive tuning fork (20) to a support structure. The mounting system comprises a mounting member (34) adapted for rigid connection to the support structure, and support means (36) connecting the tuning fork base to the mounting member such that the tuning fork is supported solely by the support means. The support means comprises a low pass mechanical filter that transmits only vibration frequencies that are less than the operating range of frequencies of the tuning fork.
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John Chatillon & Sons advertisement-1 page, NY, NY Since 1835, "Iso-Elastic Tuning Forks" with temperature compensation.
Paros Jerome M.
Tonn Jeffrey F.
Wearn, Jr. Richard B.
Sundstrand Data Control Inc.
Yasich Daniel M.
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