Turbine blade

Details Turbine blade Turbine blade

1990-08-28

1992-03-31

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

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

F01D 518

Patent

active

051002930

ABSTRACT:
A cooling structure for a turbine blade. Comprising a hollow-structured main body and a cooling medium discharging device located in the inner cavity of the hollow-structured main body and formed to discharge a cooling medium from the surface thereof, so that the cooling medium discharged from the cooling medium discharging device impinges against the inner surface of the main body to remove the heat from the same. The turbine blade further includes a projection formed on the inner surface of the leading edge of the main body, extending along the spanwise direction of the blade, and the cooling medium discharging device is formed to allow at least part of the cooling medium to directly impinge against proximal portions of the projection. With this arrangement, a turbine blade is provided which allows a small amount of cooling air to cool the turbine blade and its leading edge in particular with great effectiveness.

REFERENCES:
patent: 3301526 (1967-01-01), Chamberlain
patent: 3809494 (1974-05-01), Redman
patent: 3930748 (1976-01-01), Redman
patent: 4021139 (1977-05-01), Franklin
patent: 4183716 (1980-01-01), Takahara
patent: 4565490 (1986-01-01), Rice
patent: 4697985 (1987-10-01), Suzuki

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