Flow indicator with improved biasing assembly

Details Flow indicator with improved biasing assembly Flow indicator with improved biasing assembly

1976-03-22

1977-08-16

Swisher, S. Clement

Signals and indicators

Alarms

Fluid flow

73228, G01F 128

Patent

active

040418910

ABSTRACT:
A flow indicator for use in conjunction with a flow meter of the type which imparts a rotational movement to a shaft in response to the fluid flow rate through the flow meter. A biasing assembly for biasing the shaft in a rotational direction opposite to that produced by the fluid flow through the flow meter is provided comprising a spring carrier, a screw for securing the spring carrier to the shaft, and a coil spring secured at one end to the spring carrier and at its other end to a spring retainer shell which is secured against rotation to the flow meter. Removable pins extend through the spring carrier and the spring retainer shell to prevent rotation of the retainer shell relative to the spring carrier until the biasing assembly is secured to the flow meter indicator. An indicator needle is attached to an outwardly extending end of the spring carrier and provides a visual indication of the rotational position of the spring carrier exteriorly of the flow indicator.

REFERENCES:
patent: 2917922 (1959-12-01), Morse
patent: 3282102 (1966-11-01), Rosaen
patent: 3685354 (1972-08-01), Rosaen

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