Liquid flow meter

Details Liquid flow meter Liquid flow meter

1983-09-09

1985-09-03

Ruehl, Charles A.

Measuring and testing

Instrument proving or calibrating

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

73168, 73861, G01F 2500, G01M 1900

Patent

active

045384452

ABSTRACT:
A meter for measuring liquid flow rates to a device under test has a liquid supply tank connected to the device by a conduit and also has a test standpipe having a uniform internal diameter connected to the device by a conduit as well as also being connected to the tank by a conduit. A shutoff valve is located in each conduit. This allows the standpipe to be connected to the supply to raise the level for the start of a test. During the test only the standpipe supplies the device so the level at the end of the test is subtracted from the starting level to indicate the volume consumed. When a test is not in progress the device is supplied from the tank.

REFERENCES:
patent: 3179291 (1965-04-01), Umbach et al.
patent: 4171638 (1979-10-01), Coman et al.
patent: 4322972 (1982-04-01), Karjala

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