Gas damped vehicular crash sensor with gas being dominant biasin

Details Gas damped vehicular crash sensor with gas being dominant biasin Gas damped vehicular crash sensor with gas being dominant biasin

1974-07-24

1976-08-10

Scott, James R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

102 70S, H01H 3514

Patent

active

039743500

ABSTRACT:
A sensor for sensing deceleration of a vehicle and actuating a passenger protective device comprises a sealed, gas filled housing containing a cylinder and a piston within the cylinder movable in response to deceleration of the vehicle. A clearance between the piston and the cylinder is so selected that the movement of the piston is damped by the gas. The gas flow is viscous resulting in a sensor responsive to a constant velocity change of the vehicle above a prescribed threshold, regardless of the shape or duration of the crash pulse.

REFERENCES:
patent: 2243621 (1941-05-01), Denoix
patent: 2801589 (1957-08-01), Meek et al.
patent: 2921999 (1960-01-01), Ziegler, Jr.
patent: 3508019 (1970-04-01), Crockett
patent: 3602049 (1971-08-01), Albert
patent: 3703866 (1972-01-01), Semenza
patent: 3715535 (1973-02-01), Vrenda
patent: 3771457 (1973-11-01), Buxton
patent: 3793498 (1974-02-01), Matsui et al.
patent: 3859483 (1975-01-01), Laserson et al.
patent: 3889130 (1975-06-01), Breed

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