Method and device for measuring the density of a flowing fluid

Details Method and device for measuring the density of a flowing fluid Method and device for measuring the density of a flowing fluid

1993-06-28

1994-04-19

Chilcot, Jr., Richard E.

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

73 32R, G01F 100

Patent

active

053035976

ABSTRACT:
A device for measuring the density of the fluid flowing in a closed passage includes a rotor whose speed of rotation is directly dependent on the rate of flow of the fluid. The rotor is connected to an activatable and deactivatable brake means which has an adjustable braking force. Depending on the setting of the brake means, the brake is operative to cause a greater or smaller lag in the rotary speed of the rotor in relation to an unbraked rotor or a rotor braked with a smaller force. The measuring means is operative to determine the resultant different rotational speeds of the rotor and the different in these speeds is a measurement of density.

REFERENCES:
patent: 1911267 (1930-05-01), Danks
patent: 2076816 (1937-04-01), Hess
patent: 2267317 (1941-12-01), Veenschoten
patent: 2354299 (1944-07-01), Bays
patent: 3426595 (1969-02-01), Skelton
patent: 3710622 (1973-01-01), Hammond et al.
patent: 4377091 (1983-03-01), DeCarlo et al.
patent: 4773253 (1988-09-01), Francisco, Jr.

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