Measuring and testing – Simulated environment
Patent
1991-02-28
1992-12-22
Raevis, Robert
Measuring and testing
Simulated environment
G01N 1700
Patent
active
051725983
ABSTRACT:
A testing apparatus connects to an inflatable restraint and simulates the inflation curve of a pyrotechnic device used in a vehicle. A manifold connects the inflatable restraint to a pair of parallel accumulators for communicating a gas to the inflatable restraint. The accumulators store gas at a high pressure. A valve is connected and interposed between each of the accumulators and the manifold for releasing the flow of the gas out of the accumulators. An adjustable orifice is connected and interposed between each of the valves and the manifold for regulating the flow of the gas out of the accumulators. A flow shut off device is connected to the manifold and is interposed between the accumulators and the inflatable restraint and is adapted for stopping the flow of gas from the first and second accumulator to the inflatable restraint. A valve timing sequencer is connected to the valves and the flow shut off device for timing the actuation of the valves and the flow shut off device whereby the valves and the flow shut off device are actuate in sequence to release the gas from the accumulators and then stop the flow of the gas to the inflatable restraint to simulate the inflation curve of the pyrotechnic device.
REFERENCES:
patent: 3417779 (1968-12-01), Golay
patent: 3991249 (1976-11-01), Yamashita et al.
patent: 4332368 (1982-06-01), Woloszczuk
patent: 4498496 (1985-02-01), Barcellona et al.
patent: 4981534 (1991-01-01), Scheffe
patent: 5074155 (1991-12-01), Vecere
Frantz Brian H.
Miller Gregory A.
Pearson Jeffery L.
Wilson Keith D.
Bruttomesso, Jr. Raymond I.
General Motors Corporation
Raevis Robert
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