Acceleration responsive switch

Details Acceleration responsive switch Acceleration responsive switch

1990-02-12

1991-06-04

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200233, 200235, H01H 3514, H01H 2902

Patent

active

050216180

ABSTRACT:
An acceleration responsive switch, for operating an air bag system installed in an automobile, includes a cylindrical receptacle for containing an electrically conductive liquid such as mercury and an inert gas, a metallic lid having an open end and hermetically secured to the open end of the receptacle, and a pair of electrodes having one ends extended into the receptacle through the open end of the lid, respectively such that the one ends of the electrodes are brought into contact with the conductive liquid when a shock acting on the receptacle causes the conductive liquid to move within the receptacle.

REFERENCES:
patent: 1598874 (1926-09-01), Phelan
patent: 1826570 (1931-10-01), Phelan et al.
patent: 3351726 (1967-11-01), Cook
patent: 4135067 (1979-01-01), Bitko

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