High current float switch

Details High current float switch High current float switch

1983-11-02

1985-09-10

Tolin, G. P.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

200 84R, 340625, H01H 3518

Patent

active

045408912

ABSTRACT:
A float switch for providing a switching path for a high level electric current in response to a fluid level. A buoyant float housing includes a pair of conductors through the housing which are adapted to receive a potential difference. A high current solid state switching device in the housing provides a current path between the conductors inside the housing. The solid state switching device is mounted to a heat sink cup exposed through an opening in the float housing to the fluid level. A wide angle mercury switch is provided to trigger the solid state switching device in response to a change in the float housing orientation.

REFERENCES:
patent: 3309687 (1967-03-01), Phipps
patent: 3621168 (1971-11-01), Durand
patent: 3944845 (1976-03-01), Luteran
patent: 4262216 (1981-04-01), Johnston
patent: 4320394 (1982-03-01), John, Jr.

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