Digital pressure transducer for use at high temperatures

Patent ·

OSTI ID:5248713

Karplus, H H.B.

A digital pressure sensor for measuring fluid pressures at relatively high temperatures includes an electrically conducting fiber coupled to the fluid by a force disc that causes tension in the fiber to be a function of fluid pressure. The tension causes changes in the mechanical resonant frequency of the fiber, which is caused to vibrate in a magnetic field to produce an electrical signal from a positive-feedback amplifier at the resonant frequency. A count of this frequency provides a measure of the fluid pressure.

• DOE Contract Number: W-31-109-ENG-38
• Assignee: TIC; ERA-05-032742; EDB-80-097876
• OSTI ID: 5248713
• Country of Publication: United States
• Language: English

Related Subjects

47 OTHER INSTRUMENTATION
PRESSURE GAGES
DESIGN
PRESSURE MEASUREMENT
TRANSDUCERS
FLUIDS
HIGH TEMPERATURE
MEASURING INSTRUMENTS
440300* - Miscellaneous Instruments- (-1989)