Ceramic combustion chamber and method of making it

Details Ceramic combustion chamber and method of making it Ceramic combustion chamber and method of making it

1981-08-14

1983-11-22

Dority, Jr., Carroll B.

Combustion

Flame holder having protective flame enclosing or flame...

Including means feeding air axially spaced points of the flame

60753, 110336, F23D 1502

Patent

active

044166214

ABSTRACT:
A ceramic combustion chamber having air inlet ports and a double wall formation in the region of each inlet port. The two walls of the formation have a cavity between them which communicates with the inlet port. The double wall formation may be formed by an annular slot in the wall of the part. Alternatively, the double wall formation may be formed by two nested but spaced apart shells joined together at one end of the combustion chamber. The combustion chamber may be made by compressing ceramic powder in two steps to create a compact having an internal lost core or cores which are burned out, after which the ports are formed. Alternatively, the combustion chamber may be made by die casting ceramic powder around cores having the shape of the desired air inlet ports, after which the cores are burned out.

REFERENCES:
patent: 1637064 (1927-07-01), Toffteen
patent: 2927632 (1960-03-01), Fraser
patent: 3237677 (1966-03-01), von Wiesenthal et al.

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