HERMETICALLY SEALED GAS PROPELLANT CARTRIDGE FOR FIRE EXTINGUISHERS

Title:

HERMETICALLY SEALED GAS PROPELLANT CARTRIDGE FOR FIRE EXTINGUISHERS

Document Type and Number:

WIPO Patent Application WO2004091730

Kind Code:

A3

Abstract:

A fire extinguisher includes a tank and a gas generator breech connected to the tank. The gas generator breech is provided with a hermetically sealed gas generator cartridge. The hermetically sealed gas generator cartridge avoids the need to have a release poppet or burst shims on the gas generator breech. The enclosed space that contains combustion gas pressure is provided by the gas generator cartridge itself and not the gas generator breech. The gas generator cartridge is made from a container that can be the precursor to a beverage can used for carbonated beverages. The beverage can may corne in a thickness and material of construction that makes it a suitable, cost-effective container for the gas generator cartridge. However, other containers besides precursors of beverage cans can be used.

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Inventors:

WIERENGA PAUL H (US)
KUMASAKA CRISTY A (US)
HOBSON DAVID C (US)
MATHERS ALEXANDER J (US)

Application Number:

PCT/US2004/011589

Publication Date:

December 16, 2004

Filing Date:

April 15, 2004

Export Citation:

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Assignee:

AEROJET GENERAL CO (US)
WIERENGA PAUL H (US)
KUMASAKA CRISTY A (US)
HOBSON DAVID C (US)
MATHERS ALEXANDER J (US)

International Classes:

A62C2/00; A62C35/02; A62C35/58; A62D; (IPC1-7): A62C2/00

Foreign References:

US5992528A	1999-11-30
US4319640A	1982-03-16

Other References: