166904 ⎘
Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by changing capacitance or inductance
Sub-classes:Pressure sensor and method of producing the same
#2Capacitive cylinder pressure sensor
#3Method and apparatus for pressure measurement using fill tube
#4Vibration sensor and method of detecting vibration
#5Pressure sensor set in an opening of a wall
#6Method and system for using eddy current transducers in pressure measurements