Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1983-03-28
1985-07-02
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
416 97R, 415115, F01D 518
Patent
active
045265127
ABSTRACT:
A flow control body in the aft end of a hollow core of a turbine vane provides localized increased velocity cooling air flow in a wide portion which is otherwise difficult to cool. The flow control body includes lands and grooves with the cooling air being constrained to flow through the grooves and provide localized cooling while conductive heat transfer through the lands to the flow control body provides substantial temperature uniformity along the length of the vane. Turbulence chambers may be formed in the flow control body to further control cooling and the shape or other parameters of the flow control body may be modified to accommodate uneven end-to-end heating of the vane.
REFERENCES:
patent: 2763427 (1956-09-01), Lindsey
patent: 3280907 (1966-10-01), Hoffman
patent: 3301526 (1967-01-01), Chamberlain
patent: 3574481 (1971-04-01), Pyne
patent: 3628880 (1971-12-01), Smuland et al.
patent: 3767322 (1973-10-01), Durgin et al.
patent: 4381173 (1983-04-01), Freling
patent: 4407632 (1983-10-01), Liang
patent: 4437810 (1984-03-01), Pearce
General Electric Co.
Powell Jr. Everette A.
Squillaro J. C.
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