Float switch using foam body for floatability

Details Float switch using foam body for floatability Float switch using foam body for floatability

1986-05-27

1987-09-08

Tolin, G. P.

Electricity: circuit makers and breakers

Float

Float and pressure

200305, 200 85R, 733225, H01H 3518

Patent

active

046925767

ABSTRACT:
A float switch arrangement includes a holding and sealing component which is made of an electrically conductive material. An electric switch is accommodated in the holding and sealing component. An electric cable is connected to the electric switch and includes an end portion situated at a connection zone. Electric conductors extend from the end portion of the current supply cable through the connection zone to the electric switch and are electrically connected to the electric switch. A gravity actuation arrangement which is operative for actuating the electric switch is also accommodated in the holding and sealing component. A float housing constituted solely by a body of a closed-pore integral foam surrounds the holding and sealing component, the electric switch, the gravity actuation arrangement, and the end portion of the gavity actuation arrangement and the electric conductors at the connection zone and seals the connection zone against penetration of moisture therethrough.

REFERENCES:
patent: 3483341 (1969-12-01), Reichensperger
patent: 3944770 (1976-03-01), Pepper
patent: 4110585 (1978-08-01), Brown
patent: 4496806 (1985-01-01), Maenishi

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