Turbine blade assembly

Details Turbine blade assembly Turbine blade assembly

1995-12-29

1996-11-19

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

416223A, F01D 904

Patent

active

055756204

ABSTRACT:
A fixed blade assembly for an axial flow turbine, in which each blade (23) is secured between a radially inner ring (21) and a radially outer ring (22). The trailing edge (25) of each blade is straight and leans at an angle .theta. away from a radial line (28) from the turbine axis through the inner end of that edge and in the circumferential direction that the suction side (24) of the blade faces. The blades (23) have this (negative) angle of lean in the range 5 degrees to 12 degrees.

REFERENCES:
patent: 1475212 (1923-11-01), Warren et al.
patent: 2962260 (1960-11-01), Foley
patent: 3995970 (1976-12-01), Nobuyuki
patent: 4131387 (1978-12-01), Kazin et al.
patent: 4470755 (1984-09-01), Bessay
patent: 4826400 (1989-05-01), Gregory
patent: 5350276 (1994-09-01), Gros
"The Effect of Flow Twisting on the Characteristics of Guide Rows", G. A. Fillipov, et al, Teploenegetika, 1964, 11, 5, 54-57.

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