Combustion chamber construction

Details Combustion chamber construction Combustion chamber construction

1979-08-30

1981-01-06

Yeung, James C.

Stoves and furnaces

Hot-air furnaces

Joints

291575, 29512, 126 98, 126104R, 165 76, 285222, 2853825, F24H 914, B21D 5300, F16L 4100

Patent

active

042430143

ABSTRACT:
An improved combustion chamber comprises a shell having a circular array of integral teeth formed at one end thereof. Shrunkfit onto said shell end at or near the roots of the teeth is a ring. The toothed end of the shell is received in an opening in a sheet header so that the ring engages against the header sheet and a continuous weld bead is formed between the ring and the header sheet all around the shell. The shell teeth are bent radially outward and engage the header sheet on the opposite side thereof from the ring so as to be in intimate thermal heat exchange contact with the sheet and these teeth are also welded to the header sheet. The aforesaid engagement between the chamber and rear head minimizes stresses on hot end of the chamber and prolong its useful life. Means engaged around the opposite end of the shell supports, and yet permits lengthwise movement of, that end of the shell.

REFERENCES:
patent: 695614 (1902-03-01), Lape
patent: 880217 (1908-02-01), Jameson
patent: 1438596 (1922-12-01), Harding
patent: 1880638 (1932-10-01), Wood
patent: 2166890 (1939-07-01), Desmond
patent: 2711127 (1955-06-01), O'Day
patent: 2984235 (1961-05-01), Johnson et al.
patent: 3766631 (1973-10-01), Scheitlin
patent: 3940837 (1976-03-01), Wiese
patent: 3980629 (1975-09-01), Wiese
patent: 4195943 (1980-04-01), Williams

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