High pressure gas discharge valve device for safety air bags

Details High pressure gas discharge valve device for safety air bags High pressure gas discharge valve device for safety air bags

1976-01-20

1978-03-07

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Destructible element

220261, F16K 1740, B60R 2108

Patent

active

040774236

ABSTRACT:
A high pressure gas container hermetically confining therein a high pressure gas for inflating instantaneously a safety air bag to protect occupants in a vehicle is provided with an improved discharge valve for blowing out the gas from the container. The discharge valve comprises a sealing disk disposed at a blocking cock portion, which disk has a thick center portion and thin peripheral portion so that the whole disk may be utterly ruptured upon explosion of a detonator disposed adjacent to the thicker portion of the sealing disk. Such complete destruction of the sealing disk will result in a formation of a large opening for blowing out the high pressure gas and hence allows a rapid inflation of the safety air bag due to increased flow rate of the jetted high pressure gas from the container.

REFERENCES:
patent: 3567245 (1971-03-01), Ekstrom
patent: 3921556 (1975-11-01), Wood et al.

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