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Gas generator for an air bag and air system

  • US 6,511,081 B2
  • Filed: 12/13/2001
  • Issued: 01/28/2003
  • Est. Priority Date: 06/26/1998
  • Status: Expired due to Term
First Claim
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1. A gas generator for an air bag, comprising:

  • a housing including a top plate, a bottom plate, and a circumferential outer wall having gas discharge ports;

    gas generating means provided within said housing for generating combustion gas;

    coolant means provided within said housing for cooling at least one of the combustion gas and combustion residues contained in the combustion gas by a heat exchange; and

    a contact preventing member being a substantially cylindrical plane shape including a coolant means accommodating portion formed in a lower side thereof for attaching to an upper end of said coolant means, said contact preventing member including an inner convex portion and an outer convex portion formed in an upper side thereof corresponding to the coolant means accommodating portion and being provided between the upper end of said coolant means and an inner surface of the top plate such that the inner concave portion and the outer concave portion contact with the inner surface of the top for defining a first space therebetween.

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