Method of manufacturing a ceramic unit for indirect heat exchang

Details Method of manufacturing a ceramic unit for indirect heat exchang Method of manufacturing a ceramic unit for indirect heat exchang

1979-09-17

1981-06-02

Parrish, John

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 86, 2642091, B29D 2304

Patent

active

042711100

ABSTRACT:
A ceramic unit for indirect heat exchange, said unit being formed by extruding raw ceramic material in a parallel duct configuration, piercing a first series of inlet and outlet orifices for a fluid at the ends of a first series of ducts, the axes of said orifices being perpendicular to those of the ducts, and firing the unit. The inlet orifices (5) and/or the outlet orifices (9) are formed by making oblique cuts (7,10) on the ends of the rows of ducts to provide inlet or outlet openings perpendicular to the common direction of the ducts and then closing off the ends of the obliquely cut rows. Application to heat exchangers for turbine engines.

REFERENCES:
patent: 3790654 (1974-02-01), Bagley
patent: 3825641 (1974-07-01), Barnett
patent: 3899326 (1975-08-01), Frost et al.
patent: 3983283 (1976-09-01), Bagley

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