Liquid propellant inflation apparatus for deploying an inflatable member

An apparatus for deploying an inflatable member, such as a safety bag in a motor vehicle, includes a hydraulic actuator for amplifying the fluid pressure in a combustion chamber, initially generated by a pyrotechnic initiator, and applying the amplified fluid pressure to continuously pressurize a li...

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Bibliographic Details
Main Authors MESSINA; NEALE ARTHUR, INGRAM; LARRY STEPHAN
Format Patent
LanguageEnglish
Published 03.02.1998
Edition6
Subjects
AMMUNITION
BLASTING
EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
WEAPONS
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Summary:An apparatus for deploying an inflatable member, such as a safety bag in a motor vehicle, includes a hydraulic actuator for amplifying the fluid pressure in a combustion chamber, initially generated by a pyrotechnic initiator, and applying the amplified fluid pressure to continuously pressurize a liquid propellant reservoir to magnitudes exceeding the combustion chamber fluid pressure. All of the liquid propellant in the reservoir is then rapidly injected as a continuous stream into the combustion chamber for ignition and sustained combustion, thereby generating the volume of combustion gases necessary to fully inflate the safety bag.
Bibliography:Application Number: US19960674063