Cooling system for a gas turbine using a cylindrical insert havi

Details Cooling system for a gas turbine using a cylindrical insert havi Cooling system for a gas turbine using a cylindrical insert havi

1979-06-01

1981-01-13

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Discharge solely at periphery normal to rotation axis

416 96R, F01D 518

Patent

active

042446767

ABSTRACT:
An improved cooling system for a gas turbine is disclosed. A plurality of V-shaped notch weirs are utilized to meter a coolant liquid from a pool of coolant into a plurality of platform and airfoil coolant channels formed in the buckets of the turbine. The V-shaped notch weirs are formed in a separately machined cylindrical insert and serve to desensitize the flow of coolant into the individual platform and airfoil coolant channels to design tolerances and non-uniform flow distribution.

REFERENCES:
patent: 3066910 (1962-12-01), Bluck
patent: 3658439 (1972-04-01), Kydd
patent: 3804551 (1974-04-01), Moore
patent: 4017210 (1977-04-01), Darrow
patent: 4184797 (1980-01-01), Anderson et al.

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