Sensor for automatic release of occupant protective devices in t

Details Sensor for automatic release of occupant protective devices in t Sensor for automatic release of occupant protective devices in t

1988-04-25

1989-05-23

Tokar, Michael J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

G01P 1500

Patent

active

048318795

ABSTRACT:
A sensor, particularly for automatic release of occupant safety devices in power vehicles in the event of an accident, the sensor comprises a housing which forms a closed chamber; a body located in the housing and formed as a seismic mass, the closed chamber of the housing being completely filled with a fluid, the body being formed as a pendulum of a predetermined length, the chamber having a wall on which a boundary layer of the fluid is formed, the chamber having in all swinging direction of the pendulum a radius which is greater than the length of a pendulum and the boundary layer of the fluid formed on the wall of the chamber, the pendulum and the fluid having specific weights which differ from one another, the pendulum and the fluid being selected so that a friction during movement of the pendulum relative to the fluid leads to an aperiodecal damping of the pendulum.

REFERENCES:
patent: 2665896 (1954-01-01), Kirby et al.
patent: 3097565 (1963-07-01), Kupelian
patent: 3372386 (1968-03-01), Klinger
patent: 3798594 (1974-03-01), Funk
patent: 3871472 (1975-03-01), Hosaka et al.
patent: 3961185 (1976-07-01), Brokenshire et al.
patent: 4495814 (1985-01-01), Steinke
patent: 4497025 (1985-01-01), Hannoyer
patent: 4614876 (1986-09-01), Mattes et al.
patent: 4684928 (1987-08-01), Takahashi et al.

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