Acceleration switch

Details Acceleration switch Acceleration switch

1993-09-10

1994-12-13

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6152, 335205, H01H 3514, H01H 900

Patent

active

053731247

ABSTRACT:
An acceleration switch has a housing having a housing recess, an elongated tilting body located in the housing recess and operating as a seismic mass, a magnetic system, and a reed switch. The tilting body is arranged so that upon exceeding of a predetermined threshold value a control signal is released by interaction of the magnetic system and the reed switch. The magnetic system includes at least two permanent magnets having opposite polarization directions and connected with a magnetic flux conducting body at an end side facing away from the reed switch. The reed switch has contacts located in a magnetic field between the permanent magnets. The polarization directions of the permanent magnets extend perpendicular to a longitudinal axis of the tilting body. The contacts of the reed switch are arranged in a tilting direction of the tilting body.

REFERENCES:
patent: Re30570 (1981-04-01), Hurt
patent: 3778572 (1973-12-01), Matsui et al.
patent: 3795780 (1974-03-01), Lawrie
patent: 5010216 (1991-04-01), Sewell et al.
patent: 5050026 (1991-09-01), Goss
patent: 5153394 (1992-10-01), Abendroth et al.
patent: 5256839 (1993-10-01), Gallagher

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