Gas generator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 2, 2002
Grant Date -
N/A
app pub date -
Sep 28, 2001
filing date -
Jan 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pyrotechnical gas generator, preferably for an airbag system, consists of a housing, an ignition unit, a gas generating mixture, a conically shaped cooling system (or cooling and filtering system) tapering in the discharge direction, a gas generating mixture disposed within the cooling system. The housing is preferably one piece and tubular. The combustion gases are discharged through exit ports arranged radially, axially or diagonally on a side of the housing opposite the ignition unit. The cooling system (or cooling and filtering system) separates the gas generator into a combustion chamber, which contains the gas generating mixture and in which a gas is generated by burning the gas generating mixture, and an outflow chamber, through which the cooled (and optionally filtered) gas can flow and the exit through the exit ports. The conical arrangement of the cooling system (or cooling and filtering system) tapering in the discharge direction achieves an optimum effect as regards cooling and filtering, accompanied by a minimum of space requirements and a reduction in weight.
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