Combustion – Flame holder and fuel tank assembly
Patent
1991-07-26
1993-03-09
Price, Carl D.
Combustion
Flame holder and fuel tank assembly
222 3, 137550, F23D 1428
Patent
active
051922053
ABSTRACT:
A device for the gasification and flow control of liquified petroleum gas (hereinafter referred to as "LPG") in an apparatus such as a gas lighter for cigars and cigarettes, a gas igniter and a portable gas torch, said apparatus comprising a pressure container, a valve and a nozzle, said pressure container containing LPG, said LPG being subjected to gasification and flow control when said valve is opened, gasified LPG being emitted through said nozzle. The improvements comprise an orifice having a diameter of about 30 to 200 .mu.m and a microporous film having a hydrophobic property, said orifice being disposed at an upstream side of said valve, said microporous film being disposed at an upstream of said orifice. An unwoven fabric having a thickness of about 0.1 to 0.3 mm is preferably disposed between said orifice and said microporous film. A valve seat may be provided with an opening having a diameter of about 30 to 200 .mu.m, said opening serving as an orifice. The device of the invention stabilizes the amount of emission of gas.
REFERENCES:
patent: 4101262 (1978-07-01), Neyret
patent: 4478570 (1984-10-01), Johansson
patent: 4929175 (1990-05-01), Nitta
patent: 5071343 (1991-12-01), Lloverts-Capilla
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