Trailing edge support for control stage steam turbine blade

Details Trailing edge support for control stage steam turbine blade Trailing edge support for control stage steam turbine blade

1986-08-18

1987-12-22

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

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

Axially extending shroud ring or casing

416212A, F01D 530

Patent

active

047144106

ABSTRACT:
A side entry rotatable control stage blade with a wedge shape trailing edge support on the root portion which is formed to have two generally right trapezoidal surfaces which converge and a notch disposed on the opposite side of the platform with a trapezoidal surface which registers with one of the trapezoidal surfaces on the trailing edge support of the adjacent blade when the blades are disposed in a circular array in a steam turbine.

REFERENCES:
patent: 1073623 (1913-09-01), Owen et al.
patent: 1720729 (1929-07-01), Hanzlik
patent: 2148653 (1939-02-01), Semar
patent: 2605996 (1952-08-01), Sturgess
patent: 2715011 (1955-08-01), Schorner
patent: 3014695 (1961-12-01), Rankin et al.
patent: 3923420 (1975-12-01), Chifos

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