Velocity change sensor with double pole sensor

Details Velocity change sensor with double pole sensor Velocity change sensor with double pole sensor

1989-10-19

1991-04-09

Marmor, Charles A.

Land vehicles

Wheeled

Attachment

200 6145M, 200 6153, H01H 3514

Patent

active

050058614

ABSTRACT:
An accelerometer for sensing velocity changes particularly suited for passenger restraint systems in a motor vehicle for the deployment of an air bag includes a housing with contact blades and a magnetically biased contacting element. The contacting element is arranged to move toward the contact blades when a deceleration exceeding a threshold level is sensed. The contact blades are spaced away from each other so that one is bent toward the other by the contacting element to form a direct electrical path, thereby deploying the restraint system.

REFERENCES:
patent: 3655929 (1972-04-01), Engel et al.
patent: 3794794 (1974-02-01), Provancher
patent: 4329549 (1982-05-01), Breed
patent: 4816627 (1989-03-01), Janotik
patent: 4873401 (1989-10-01), Ireland

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