Gauge with indicator switch

Details Gauge with indicator switch Gauge with indicator switch

1993-03-23

1994-02-15

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Bourdon tube type

73733, 200 56R, H01H 3536

Patent

active

052869318

ABSTRACT:
A pressure gauge and indicator switch wherein a Bourdon tube and electrical switch are sealably contained within a liquid-filled compartment, and a liquid pathway is provided between the Bourdon tube and an external fitting. The electrical switch leads are connectable outside the compartment, and the Bourdon tube is mechanically linked to a pressure indicator so as to provide an analog reading of actual pressure within the Bourdon tube, and the Bourdon tube is mechanically linked to the pressure switch so as to provide a switch actuation whenever the pressure within the Bourdon tube reaches a predetermined level.

REFERENCES:
patent: 3533294 (1970-10-01), Fahy
patent: 4323741 (1982-04-01), Krohn
patent: 4397610 (1983-08-01), Krohn
patent: 4485727 (1984-12-01), Schollenberger
patent: 4641533 (1987-02-01), Mueller

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