Pulse combustion apparatus

Details Pulse combustion apparatus Pulse combustion apparatus

1990-03-28

1991-09-03

Jones, Larry

Combustion

Combustion bursts or flare-ups in pulses or serial pattern

431 12, 431114, F23C 1104

Patent

active

050449303

ABSTRACT:
A pulse combustion apparatus comprising a metal pipe member, an exhaust chamber, and an insert member. The pipe member has two open ends and its inner diameter is uniform over its entire length. The first open end of the pipe member is closed, and the second open end thereof is connected to the exhaust chamber. The insert member is located within the pipe member such that it and the pipe member define a combustion chamber within the pipe member, close to the first end thereof, and also an exhaust passage connecting the combustion chamber to the exhaust chamber and having a cross section area smaller than that of the combustion chamber. The combustion chamber and the exhaust passage constitute a Helmholtz resonator which realizes pulse combustion of the fuel gas.

REFERENCES:
patent: 4045157 (1977-08-01), Peterson
patent: 4439134 (1984-03-01), Olsson
patent: 4479484 (1984-10-01), Davis
patent: 4639208 (1987-01-01), Inui et al.
patent: 4642046 (1987-02-01), Saito et al.
patent: 4840558 (1989-06-01), Saito et al.
S. T. Vogt, M. S. Yen, Dr. R. J. Schoenhals, Dr. Werner Soedel, "Performance of a Pulse Combustion Gas-Fired Water Heater", (ASHRAE Transactions), vol. 86, Part 1, pp. 126-141 (1980).
A. A. Putnam, F. E. Belles, J.A.C. Kentfield, "Pulse Combustion", (Prog. Energy Combustion Science), vol. 12, pp. 43-79 (1986).

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