Structural component for use under high thermal load conditions

Details Structural component for use under high thermal load conditions Structural component for use under high thermal load conditions

1984-07-02

1986-12-16

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416241B, 415115, 165907, 244117A, 428608, 428632, 60267, F01D 518, B32B 700

Patent

active

046293973

ABSTRACT:
A structural component which is coolable for use under high thermal load conditions, such as a turbine blade, has a metallic support core with cooling ducts separated by lands in its surface. The core and its cooling ducts and lands are enclosed by an inner layer of metal felt and an outer layer of heat insulating ceramic material which partially penetrates into the metal felt to form a bonding zone between the felt and the ceramic material. Thus, any heat passing through the ceramic layer is introduced into the large surface area of the metal felt enabling the latter to efficiently introduce the heat into a cooling medium flowing in the ducts, thereby preventing thermal loads from adversely affecting the metal core to any appreciable extent.

REFERENCES:
patent: 3032316 (1962-05-01), Kramer
patent: 3114612 (1963-12-01), Friedrich
patent: 3215511 (1965-11-01), Chisholm et al.
patent: 4042162 (1977-08-01), Meginnis et al.
patent: 4075364 (1978-02-01), Panzera
patent: 4141802 (1979-02-01), Duparque et al.
patent: 4199937 (1980-04-01), Fortini et al.
patent: 4338380 (1982-07-01), Erickson et al.
patent: 4492522 (1985-01-01), Rossmann et al.
Nichols and Hanink, "Protective Coating for Turbine Parts," Mechanical Engineering, (Mar. 1965), pp. 53-59.

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