Flow meter pulse transmitter

Details Flow meter pulse transmitter Flow meter pulse transmitter

1986-05-12

1989-10-10

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

738661, G01F 1075, G01F 1115

Patent

active

048723525

ABSTRACT:
A pulse transmitter for a liquid flow meter comprises an input shaft rotatably mounted in a housing and magnetically coupled through a wall of the housing to a rotor of the meter. A meanetic reed switch for electrical current interrupt is operated by a rotating magnetic member on an output shaft, the output shaft being connected to the input shaft by a pair of calibration gears. The input shaft has a pinion thereon, the transmitter including provisions for compound reduction gearing to a sleeve on the input shaft, the sleeve driving one of the calibration gears. The input shaft also has an upper magnetic coupling member for driving a visible indicator ball through a wall of the housing, the ball being confined in an external cavity by a transparent member.

REFERENCES:
patent: 979518 (1910-12-01), Larrabee
patent: 2371511 (1945-03-01), Faus
patent: 2529481 (1950-11-01), Brewer
patent: 2757364 (1956-07-01), Hood
patent: 2960074 (1960-11-01), Zavada
patent: 3093973 (1963-06-01), Williams
patent: 3163041 (1964-12-01), Karlby et al.
patent: 4140013 (1979-02-01), Hunger et al.
patent: 4548084 (1985-10-01), Onoda et al.
An-8-Concrete Additive Meters, Badger Meter, Inc., Milwaukee, Wis., 6-80, 3 pp.
Manual-Pulse Transmitter Models MS-E5 and MS-ER5, Badger Meter, Inc., Mil., Wis., 1/85, 3 pp.
"Trident 8", Data Sheet J621, Neptune Water Meter Co, Tallassee, Al, 3/84.

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