Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1974-07-30
1976-03-16
Hohauser, Herman J.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
200 84C, 73305, G01F 306
Patent
active
039448444
ABSTRACT:
The invention is concerned with a float-operated electrical switch assembly comprising a vertical tubular housing, at least the lower end of which is arranged to be open to a liquid the level of which is to be monitored. A float is restrained to move vertically in the housing with changes in the liquid level and a magnet mounted on the float cooperates with a magnetically responsive switch actuator which is contained in a tubular casing of non-magnetic material extending into the housing from the side of the housing. The switch assembly is primarily intended for a low level alarm.
REFERENCES:
patent: 3293579 (1966-12-01), Harper
Hohauser Herman J.
Ronald Trist Controls Limited
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