Combustion – Combustion bursts or flare-ups in pulses or serial pattern
Patent
1989-09-12
1991-09-03
Jones, Larry
Combustion
Combustion bursts or flare-ups in pulses or serial pattern
431 19, 431 31, F23C 1104
Patent
active
050449290
ABSTRACT:
An ignition control apparatus for a pulse combustor, wherein the number of trials for energization of a spark electrode is calculated and memorized, the memorized number of trials is reset to an initial value or zero after ignition of the fuel-air mixture in a combustion chamber of the combustor has been successfully obtained, a period of time for pre-purge of the combustion chamber is determined in accordance with the memorized number of trials for energization of the spark electrode, and a purge blower for the combustor activated for the determined period of time prior to energization of the spark electrode to change the unburned mixture ratio to a non-combustible ratio on the trial for ignition. In the ignition control apparatus, the presence of flame in the combustion chamber is further detected for a predetermined time, and the purge blower is deactivated when a predetermined number of trials for ignition have been attempted due to lack of the presence of flame in the combustion chamber.
REFERENCES:
patent: 4459099 (1984-07-01), Grunden et al.
patent: 4496305 (1985-01-01), Bentz
patent: 4695246 (1987-09-01), Beifuss et al.
patent: 4747771 (1988-05-01), Goodfellow et al.
patent: 4808107 (1989-02-01), Yokoyama et al.
Ejiri Susumi
Kimura Makoto
Tabuchi Yasuhiko
Jones Larry
Paloma Kogyo Kabushiki Kaisha
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