Fluid flow meter

Details Fluid flow meter Fluid flow meter

1980-08-29

1982-08-17

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

324208, G01F 128

Patent

active

043443311

ABSTRACT:
A fluid flow meter comprised of a body portion having a passage therein for the fluid to flow therethrough, a movable member provided in the passage and adapted to be tiltable to open or close throttling of the passage corresponding to the flow rate of the fluid flowing through the passage, a spiral spring biasing the movable member constantly in the direction of throttling the passage, an amorphous magnetic member fixed to the movable member and provided with coils wound thereon, and a solenoid wound on the body portion to generate magnetic flux that is substantially parallel to the direction of fluid flow.

REFERENCES:
patent: 3153935 (1964-10-01), Karlson
patent: 3168830 (1965-02-01), Chass
patent: 3480854 (1969-11-01), Jaquith et al.
patent: 3855528 (1974-12-01), Brown
patent: 3877314 (1975-04-01), Bernin
patent: 4013911 (1977-03-01), Fujiwara et al.
patent: 4073189 (1978-02-01), Draper
patent: 4140971 (1979-02-01), Blincoe
patent: 4254664 (1981-03-01), Graham
patent: 4258279 (1981-03-01), Hovorka
patent: 4284916 (1981-08-01), Onodera et al.
patent: 4286188 (1981-08-01), Honsinger et al.
Mohri et al.-"Force and Displacement Transducers"-Electrical Engineering in Japan-vol. 99, No. 2, pp. 105-112, Feb. 1979.

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