Bourdon tube transducer

Details Bourdon tube transducer Bourdon tube transducer

1980-01-24

1981-07-21

Woodiel, Donald O.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73733, 361282, 361283, G01K 536, G01L 912

Patent

active

042791553

ABSTRACT:
A bourdon tube transducer has included a bourdon tube with a conductive plate electrically separated from the bourdon tube and in parallel with the bourdon tube. As the pressure varies, so does the electrical reactance between the bourdon tube and the conductive plate and this variation is used to vary the frequency of an electrical oscillator that is connected to the bourdon tube and the conductive plate.

REFERENCES:
patent: Re24267 (1957-01-01), Ostermann et al.
patent: 3013234 (1961-12-01), Bourns
patent: 3356963 (1967-12-01), Buck
patent: 3605500 (1971-09-01), Trekell
patent: 3968691 (1976-07-01), Balkanli

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