Metallic hollow component with a metallic insert, especially tur

Details Metallic hollow component with a metallic insert, especially tur Metallic hollow component with a metallic insert, especially tur

1987-09-03

1989-08-22

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

415134, F01D 518

Patent

active

048591416

ABSTRACT:
A metallic hollow structural part, whose inner geometry is matched to at least one metallic insert supported thereat and pre-profiled to the finished condition, which is secured at the hollow structural part under predetermined heat influence, especially a turbine blade with a cooling insert. The insert is made of memory material and upon exceeding a predetermined temperature threshold value, abuts without play at the inner geometry. The hollow structural part and the insert can be fixedly connected with each other metallurgically or in the way of the "memory effect".

REFERENCES:
patent: 3301527 (1967-01-01), Kercher
patent: 3540810 (1967-11-01), Kercher
patent: 3623318 (1971-11-01), Shank
patent: 3764227 (1973-10-01), Albertzart
patent: 3767322 (1973-10-01), Durgin et al.
patent: 3806276 (1974-04-01), Aspinwall
patent: 4198081 (1980-04-01), Harrison et al.
patent: 4257734 (1981-03-01), Guy et al.
patent: 4288201 (1981-09-01), Wilson
patent: 4379575 (1983-04-01), Martin
patent: 4396349 (1983-08-01), Hueber
"Shape Memory Alloys", L. Schetky, Scientific American, vol. 241, No. 5, Nov. 1979, pp. 68-76.

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