Low thermal stress impingement cooling apparatus

Details Low thermal stress impingement cooling apparatus Low thermal stress impingement cooling apparatus

1986-06-06

1996-09-24

Bentley, Stephen C.

Power plants

Reaction motor

Including heat exchange means

F02K 182

Patent

active

055579329

ABSTRACT:
An impingement cooling arrangement which avoids thermal cycling fatigue failures in the cooled member and cooling baffle member while retaining permanent rigid attachment of the cooling baffle member and cooled members at their periphery. The baffle includes an array of stress relieving smoothly curved in cross section furrows or grooves dispersed over the baffle surface and provides for intentional heat conduction to the furrow valley portions as a stress relieving mechanism. Heat conduction to the furrow valley portions is aided by the force of pressurized impingement cooling air at the baffle surface.

REFERENCES:
patent: 3353359 (1967-11-01), Webb
patent: 3848697 (1974-11-01), Jannot et al.
patent: 3982850 (1976-09-01), Jenkinson
patent: 4071194 (1978-01-01), Eckert et al.
patent: 4081137 (1978-03-01), Sutton et al.
patent: 4355507 (1982-10-01), Coffey et al.

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