Low pressure transportable igniting device using volatile liquid

Details Low pressure transportable igniting device using volatile liquid Low pressure transportable igniting device using volatile liquid

1993-10-01

1995-07-04

Jones, Larry

Combustion

Projector and igniter for liquid or gelled fuel slug or rod,...

431 2, 1262712R, 1262712C, F41H 902

Patent

active

054294940

ABSTRACT:
A transportable igniting device utilizing burn fuel especially ,adapted for use in forestry management practices is disclosed. The invention has a fuel storage tank which is fluidly coupled to a pressurizing assembly which includes; a pump and a pressure fuse which is in turn coupled to an application wand having igniting means associated therewith. The pump removes fuel from the tank and delivers it to the pressure fuse. The pressure fuse remains open during normal operation but interrupts fuel flow if line pressure varies from predetermined parameters. The fuel expelled from the application wand is ignited by the igniting means and is delivered to a distant target. Features of the invention provide for a hose to couple the pressurizing assembly to the application wand so that the wand may be distant from the assembly. In addition, a bypass valve may be located fluidly intermediate the pump and the pressure fuse to return unused fuel to the tank, thus creating a continuously cycling pressurizing assembly. Safety features associated with a preferred embodiment include multiple flashback prevention means in the form of check valves and loops formed in the application wand. The invention is also suitable for portable use when using a separate gasoline motor to cause the pump to pressure the fuel.

REFERENCES:
patent: 1340012 (1920-05-01), Cave et al.
patent: 2331388 (1943-10-01), Graham
patent: 2417981 (1947-03-01), Graham
patent: 2601893 (1952-07-01), Funke
patent: 2851094 (1958-09-01), Griffin
patent: 2971573 (1961-02-01), Griffin et al.
patent: 3872769 (1975-03-01), Rosling
patent: 4247281 (1981-01-01), McGrew et al.

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