Float operated switch assembly

Details Float operated switch assembly Float operated switch assembly

H - Electricity

01

H

73/37, 306/47

H01H 36/02 (2006.01) F16K 33/00 (2006.01)

Patent

CA 1117785

FLOAT OPERATED SWITCH ASSEMBLY ABSTRACT A float operated switch assembly has a float (4) which follows the liquid level and a primary magnet (7) which follows the movement of the float. The magnet (7) controls the angular position of a pivoted secondary bar magnet (16) on the other side of a non-magnetic wall (9) and the angular position of the magnet (16) controls by magnetic attraction the angular position of a tertiary pivoted magnet (17). The angular position of the magnet (17) controls via a coupling (20,23) a pneumatic valve (24). In each end position the magnets (16) and (17) adopt a mutually latched position. The geometry is such that this latching of the magnet (16) is unaffected by movements of the magnet (17) resulting from pneumatic surges in the valve (24). The geometry is also such that the magnet (16) receives from the magnet (17) less torque than the magnet (l?) receives from the magnet (16).

346157

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