Mass rate of flow meter with improved magnetic circuit

Details Mass rate of flow meter with improved magnetic circuit Mass rate of flow meter with improved magnetic circuit

1979-10-12

1981-11-24

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

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

G01F 180

Patent

active

043016863

ABSTRACT:
A mass rate of flow meter with a first magnet and sensing coil for detecting the passage of an unrestrained rotor past the sensing coil. The position of a restrained turbine reactor is sensed by locating an axially extending magnetic flux linkage near the periphery of the turbine with an extension that is disposed in an axially overlapping relationship with a magnet that extends from the periphery of the rotor. The axial overlap produces a radial air gap that is relatively insensitive to the effects of mechanical vibration and thermal expansion.

REFERENCES:
patent: 3071000 (1963-01-01), Cooper, Jr.
patent: 3164017 (1965-01-01), Karlby et al.
patent: 3166936 (1965-01-01), Fisher et al.
patent: 4056976 (1977-11-01), Hildebrand et al.

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