High turndown sheet metal atmospheric gas burner

Details High turndown sheet metal atmospheric gas burner High turndown sheet metal atmospheric gas burner

1991-06-17

1992-07-28

Jones, Larry

Combustion

Porous, capillary, particulate or sievelike flame holder,...

431346, 431354, 126 92AC, 239145, F23D 340

Patent

active

051336570

ABSTRACT:
A sheet metal atmospheric gas burner capable of a 5:1 turndown ratio is disclosed. The burner is intended for application in instantaneous water heaters and other gas burning appliances having high input modulation requirements. It has a hollow cylindrical burner head fabricated of sheet metal, a single mixer tube, and slotted ports arranged on the vertically-oriented cylinder sidewall. The unique features of the burner are the tabbed slotted port design, the use of fins adjacent to port rows to eliminate flame blowoff and assure quiet burner operation, and the arrangement of ports on the burner head to simultaneously provide good secondary aeration at all inputs and flame carry to all ports at all inputs. The advantages of the burner are its simplicity, low cost, and ease of manufacture, relative to its demanding performance requirements.

REFERENCES:
patent: 3053316 (1962-09-01), Flynn
patent: 3177923 (1965-04-01), Hine, Jr. et al.
patent: 3512910 (1970-05-01), Hein
patent: 4569657 (1986-02-01), Laspeyres
patent: 4723907 (1988-02-01), Norton et al.
patent: 4887963 (1989-12-01), LeMer

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