Combustion chamber

Details Combustion chamber Combustion chamber

1995-06-06

1998-06-16

Yeung, James C.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431157, 431173, 431351, 110264, F23M 300

Patent

active

057660000

ABSTRACT:
A combustion chamber has a vertically oriented body with an inner surface defining an inner combustion area. A burner is disposed adjacent one end of the body so that the flame of the burner when lit will extend into the combustion area. An annular insert is disposed in the combustion area and generally surrounds the flame of the burner. The annular insert defines a secondary gas introduction zone for introducing secondary gases into the combustion area so that the recycled gases can be oxidized by the burner flame. The insert has an inner surface presenting at least one opening for allowing fluid communication between the introduction zone and the combustion area. The opening is disposed tangentially to the insert inner surface to direct gases in rotational motion to define a film of gases adjacent the inner surface of the combustion chamber. The body of the chamber can include an outer shell and an inner cylindrical liner. The outer shell has a generally horizontal inwardly extending support shelf. The inner liner has an outwardly extending generally horizontal ridge positioned adjacent its upper end. The ridge rests on the shelf to support the liner in a hanging fashion so that the liner can expand and contract when subjected to temperature variations.

REFERENCES:
patent: 2560074 (1951-07-01), Bloomer
patent: 2823628 (1958-02-01), Poole et al.
patent: 2985438 (1961-05-01), Prowler
patent: 3048215 (1962-08-01), Huckabee
patent: 3145076 (1964-08-01), Reichert et al.
patent: 3804578 (1974-04-01), Robbins
patent: 3861055 (1975-01-01), Thompson
patent: 4120640 (1978-10-01), Martin
patent: 4526529 (1985-07-01), Bernard et al.
patent: 4879959 (1989-11-01), Korenberg

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