Electromagnetic damped inertia sensor

Details Electromagnetic damped inertia sensor Electromagnetic damped inertia sensor

1988-09-19

1989-10-10

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6153, 335205, H01H 3514

Patent

active

048734012

ABSTRACT:
A sensor comprising: an inertial mass movable from a first position to a second position in response to a acceleration (deceleration) signal of predetermined amplitude and duration; electrical contacts and a conductor on the inertial mass for indicating that the inertial mass has moved to the second position; an electrical conductor, reactive with other elements of the sensor for generating an electro-magnetic force tending to dampen the motion of the inertial mass; and a magnetically attractive element or magnet for biasing the inertial mass towards the first position.

REFERENCES:
patent: 2974529 (1961-03-01), Brueggeman et al.
patent: 2997883 (1961-08-01), Wilkes
patent: 3132220 (1964-05-01), Uri et al.
patent: 3171913 (1965-03-01), Kersh
patent: 3737599 (1973-06-01), Zuvela
patent: 4082927 (1978-04-01), Beckwith
patent: 4097699 (1978-06-01), Larson
patent: 4329549 (1982-05-01), Breed

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