Fluid drop detecting reservoir tank

Details Fluid drop detecting reservoir tank Fluid drop detecting reservoir tank

1992-04-30

1994-04-19

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

200 84C, 200295, H01H 3518

Patent

active

053048520

ABSTRACT:
A fluid drop detecting reservoir tank has a float with a magnet which moves down in accordance with a drop in the level of fluid in a reservoir tank. The magnet closes a magnetically operated switch when the fluid reaches a predetermined level so that a predetermined drop in the level of the fluid is detected. The fluid drop detecting reservoir tank is provided with a mount casing for receiving therein a switch casing in which the switch is encased. The reservoir tank is provided with a retainer mechanism arranged between the mount casing and the switch casing for holding the switch casing in the mount casing so as to locate the switch below the magnet and preventing the switch casing from being withdrawn from the mount casing.

REFERENCES:
patent: 3849770 (1974-11-01), Hayashida
patent: 4037193 (1977-07-01), Uemura
patent: 4500761 (1985-02-01), Kubota et al.
patent: 4681386 (1987-07-01), Boulanger
patent: 5083115 (1992-01-01), Kamiya

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