Combustion – Burner having electrical heater or igniter – Spark electrode in front of or adjacent fuel discharger
Patent
1991-04-01
1991-11-05
Yeung, James C.
Combustion
Burner having electrical heater or igniter
Spark electrode in front of or adjacent fuel discharger
431344, 431354, F23Q 712
Patent
active
050627910
ABSTRACT:
A blowtorch includes a replaceable gas cylinder and a hollow base having an opening to slidingly receive a lower portion of the gas cylinder. A torch head is mounted horizontally on one end of a tubular support rod extending perpendicular to and upward from the first plate. The torch head has a gas outlet formed on a front end, a gas regulator provided on a rear end to control gas flow through the gas outlet, and a downwardly extending gas inlet engaging the gas cylinder to permit controlled release of gas contained in the gas cylinder through the gas outlet. A protective cover assembly is longer than and is detachably fitted over the torch head. A spark igniter is mounted on the torch head. A control device generates a high voltage output to trigger the spark igniter to produce a spark. Gas released at the gas outlet mixes with air to form a combustible mixture. The spark produced by the spark igniter ignites the combustible mixture to produce a flame output.
REFERENCES:
patent: 1763289 (1930-06-01), Anderson et al.
patent: 2666480 (1954-01-01), Peterson
patent: 4553927 (1985-11-01), Collins, Jr.
patent: 4597732 (1986-07-01), Yoshinaga
patent: 4720259 (1988-01-01), Day
patent: 4938686 (1990-07-01), Yoshinaga
patent: 4952138 (1990-08-01), Ho
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