Dynamic pressure calibrator

Details Dynamic pressure calibrator Dynamic pressure calibrator

1986-02-10

1987-02-03

Buczinski, Stephen C.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01L 2700

Patent

active

H00002062

ABSTRACT:
A high pressure, short rise time pulse is generated by first pressurizing a arge chamber utilizing a pressure fluid. An initially closed channel communicates the large chamber with a small test chamber that is closed except for the channel and to which one or more pressure gauges are connected. One of the pressure gauges may be utilized as a standard to indicate pressure in the chamber while another one of the gauges can be calibrated utilizing the device. The channel is abruptly opened to discharge the high pressure fluid from the large chamber to the small test chamber. Only a small amount of fluid enters the small test chamber but the pressures in the large and small chamber are equalized rapidly so that the small chamber experiences a high pressure, short rise time pulse.

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