Pressure relief plug

Details Pressure relief plug Pressure relief plug

1997-11-26

2000-01-25

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

2808011, B60R 2246

Patent

active

060170603

ABSTRACT:
An apparatus (10) includes a housing (70) defining a chamber (80). The housing (70) also defines a vent passage (86) communicating the chamber (80) with the atmosphere outside the housing. A gas generator (120) associated with the housing (70), when actuated, generates gas in the chamber (80). A pressure relief plug (140) blocks gas flow through the vent passage (86) when the pressure relief plug is at a first temperature. The pressure relief plug (140) is made of a material which melts at a second temperature above the first temperature causing the vent passage (86) to become unblocked. The pressure relief plug (140) is insertable into the vent passage (86) and has a snap action connection with the housing (70).

REFERENCES:
patent: 4927175 (1990-05-01), Fohl
patent: 5411291 (1995-05-01), Fohl
patent: 5450723 (1995-09-01), Fohl
patent: 5468019 (1995-11-01), Blase et al.
patent: 5653398 (1997-08-01), Fohl

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