Float operated electrical switch assembly

Details Float operated electrical switch assembly Float operated electrical switch assembly

1980-02-19

1982-06-15

Tolin, Gerald P.

Electricity: circuit makers and breakers

Float

Float and pressure

340625, 335207, H01H 3518

Patent

active

043352855

ABSTRACT:
A float operated electrical switch assembly has a housing (10) fitted to an opening in a container wall (14). A float (19) follows the liquid level and is pivoted with a primary magnet (18) about a pivot axis (17). A pivotal secondary magnet (21) acts in repulsion with the primary magnet (18) through a non-magnetic wall (20) of the housing (10). The movement of the secondary magnet (21) causes at least one control rod (48) to reciprocate. A switch contact (32) is normally held under the resilience of its carrier leaf spring (38) in engagement with a fixed switch contact (33). The contacts are opened by movement of the control rod (48) moving the switch contact (32) against the resilience of its carrier.

REFERENCES:
patent: 2671834 (1954-03-01), Kmiecik

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