Float operated electrical switch assembly

Details Float operated electrical switch assembly Float operated electrical switch assembly

1983-01-12

1985-04-23

Goldberg, E. A.

Electricity: circuit makers and breakers

Float

Float and pressure

335154, 73322, H10H 3518

Patent

active

045131856

ABSTRACT:
A float operated electrical switch assembly including a body, a float coupled to the body for pivotal movement relative thereto about a first axis, a permanent magnet carried by the float and having its dipole axis parallel to the first axis, and a reed switch within the body is disclosed. The reed switch is positioned with its longitudinal axis at right-angles to the float pivot axis, and, the pivot axis is spaced transversely from the longitudinal axis of the reed switch. The magnet is so positioned relative to the pivot axis that within the intended operating arc of the float relative to the body, the movement of the magnet relative to the reed switch is, in effect, movement of the magnet along the length of the reed switch; the magnet being adjacent one end of the reed switch at one end of the arc, and being adjacent the contact region of the reed switch at the other end of the arc.

REFERENCES:
patent: 3562735 (1971-02-01), Goodlaxson
patent: 3868485 (1975-02-01), Sykes
patent: 3934103 (1976-01-01), Walstra
Machine Design, May 18, 1972, pp. 130-133.
European Search Report, Berlin, Sep. 17, 1979, Examiner: Ruppert.

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