Integral shroud blade design

Details Integral shroud blade design Integral shroud blade design

1991-03-28

1992-10-20

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416191, 416203, 416500, 298892, F01D 516

Patent

active

051565293

ABSTRACT:
An integral shroud blade comprising a root portion for mounting the blade in a row on a turbine rotor; a platform portion; an airfoil portion extending upwardly from the platform portion and having a leading edge, a trailing edge, and a tip; a shroud formed on the tip of the airfoil portion and having two opposite tangential side surfaces and a top surface; and at least one pair of holes extending into the shroud, each of the two tangential sides having one hole of each pair being formed therein.

REFERENCES:
patent: 2430140 (1947-11-01), Phelan et al.
patent: 3649133 (1972-03-01), Wagner
patent: 4097192 (1978-06-01), Kulina
patent: 4699569 (1987-10-01), Gloor
patent: 4767273 (1988-08-01), Partington
patent: 4776764 (1988-10-01), Ortolano
patent: 4878810 (1989-11-01), Evans

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