Pulse combustion apparatus with a plurality of pulse burners

Details Pulse combustion apparatus with a plurality of pulse burners Pulse combustion apparatus with a plurality of pulse burners

1985-04-01

1987-01-27

Dority, Jr., Carroll B.

Combustion

Combustion bursts or flare-ups in pulses or serial pattern

F23C 1104

Patent

active

046392084

ABSTRACT:
In a pulse combustion apparatus, a plurality of identical pulse burners are employed such that a total amount of fuel to be burned is divided into equal amounts which are assigned to respective pulse burners. Either cushion chambers or tail pipes of the pulse burners are arranged to communicate with each other via one or more communicating passages so that interaction occurs in connection with pressure in the exhaust systems of the plurality of pulse burners. The interaction between combustion chambers causes the timings of combustion in the plurality of pulse burners to be synchronized, thus suppressing the occurrence of uncomfortable beat. In some embodiments, a sound-insulating mechanism is employed in each cushion chamber so that propagation of combustion sound to downstream side is effectively suppressed while the heat exchanging coefficient is simultaneously increased. In a further embodiment, sound-absorption materials are used in air pipes and air chambers of each pulse burner for effectively preventing propagation of combustion sound to upstream side.

REFERENCES:
patent: 3119436 (1964-01-01), Rydberg
patent: 3606867 (1971-09-01), Briffa
patent: 3738290 (1973-06-01), Belter
patent: 4314444 (1982-02-01), Putnan et al.

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