Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1992-11-24
1994-08-23
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
416 97R, F01D 504
Patent
active
053402782
ABSTRACT:
A rotor blade having an integral platform with a cooled fillet is disclosed. Various construction details are developed which provide a cooling hole extending in proximity of the fillet to convectively cool the fillet. In a particular embodiment, a rotor blade having a integral platform and fillet includes a cooling hole extending between an internal cooling passage and a damper cavity. The cooling hole has a streamwise axis oriented in the direction to a line tangent to a midpoint of the fillet. The cooling hole directs a flow of cooling fluid radially inward and laterally outward, the cooling fluid flowing in proximity to the fillet to provide convective cooling.
REFERENCES:
patent: 2737366 (1956-03-01), Ledinegg
patent: 3066910 (1962-12-01), Bluck
patent: 3446481 (1969-05-01), Kydd
patent: 3446482 (1969-05-01), Kydd
patent: 4017213 (1977-04-01), Przirembel
patent: 4672727 (1987-06-01), Field
patent: 5122033 (1992-06-01), Paul
Look Edward K.
Sgantzos Mark
United Technologies Corporation
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