Large L/D ratio tubular hybrid gas generator for the inflation of air bags
First Claim
Patent Images
1. An inflator dimensioned to serve as a structural element in a vehicle comprising:
- an elongated hollow cylinder having an inner wall within which there are disposed the following components;
a first diaphragm welded to the inner wall of said cylinder spaced from one end of said cylinder, so as to define a cup shaped cavity at said end of said cylinder,a pyrotechnic charge and an igniter positioned in said cavity,a second diaphragm secured to the inner walls of said cylinder near the other end of said cylinder,a screen at said other end of said cylinder so as to define a diffuser chamber in said cylinder,a storage chamber in said elongated cylinder consisting of the volume between said diaphragms for storing a gas under pressure,all of said components being contained inside said elongated hollow cylinder.
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Abstract
An elongated tubular hybrid gas generator for the inflation of air bags in which the ratio of length to diameter is at least ten. The device may be substituted for a structural element in a motor vehicle, e.g. a steering column or a beam in a door panel with consequent savings in weight and size.
42 Citations
5 Claims
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1. An inflator dimensioned to serve as a structural element in a vehicle comprising:
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an elongated hollow cylinder having an inner wall within which there are disposed the following components; a first diaphragm welded to the inner wall of said cylinder spaced from one end of said cylinder, so as to define a cup shaped cavity at said end of said cylinder, a pyrotechnic charge and an igniter positioned in said cavity, a second diaphragm secured to the inner walls of said cylinder near the other end of said cylinder, a screen at said other end of said cylinder so as to define a diffuser chamber in said cylinder, a storage chamber in said elongated cylinder consisting of the volume between said diaphragms for storing a gas under pressure, all of said components being contained inside said elongated hollow cylinder. - View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeAutoliv ASP Incorporated (Autoliv Incorporated)
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Original AssigneeMorton International Incorporated (Autoliv Incorporated)
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InventorsKort, Leland B., Chandler, William A. Jr., Clark, Randall J.
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Primary Examiner(s)Culbreth, Eric D.
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Application NumberUS08/255,147Time in Patent Office581 DaysField of Search280/741, 280/731, 280/730 R, 280/730 A, 280/736US Class Current280/741CPC Class CodesB60R 2021/0006 Lateral collisionB60R 2021/26064 characterised by auto-ignit...B60R 21/2032 the inflator or inflatable ...B60R 21/207 in vehicle seatsB60R 21/272 with means for increasing t...
