Gas flow type angular velocity sensor

Details Gas flow type angular velocity sensor Gas flow type angular velocity sensor

1993-03-31

1995-01-31

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7320422, G01P 900

Patent

active

053850467

ABSTRACT:
An angular velocity sensor of the type wherein a flow of gas forced by a pump into a gas path in the sensor body through a nozzle hole and directed toward a pair of thermosensitive resistance elements provided in the gas path is deflected by the action of an angular velocity and the deflection of the gas flow is sensed by the thermosensitive resistance elements, and which is further provided with a thermostatically-controlled gas path which is heated in order to maintain the gas flow at a constant temperature to avoid the effect of ambient temperature variations. The sensor also is provided with a gas path for absorbing pulsations of the gas flow caused by pumping operations.

REFERENCES:
patent: 4295373 (1981-10-01), Moffatt
patent: 4408490 (1983-11-01), Takahashi et al.
patent: 4531123 (1985-07-01), Tagami et al.
patent: 4584878 (1986-04-01), Katsuno
patent: 5107707 (1992-04-01), Takahashi et al.

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