Apparatus and method for preventing relative blade motion in ste

Details Apparatus and method for preventing relative blade motion in ste Apparatus and method for preventing relative blade motion in ste

1987-02-24

1988-08-30

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

416220R, 416221, 416500, F01D 532

Patent

active

047672471

ABSTRACT:
A steam turbine of the type employing axial entry blades is provided with a plurality of generally tangentially oriented slots in the rotor steeples. Resilient, deformable pins are driven into the slots under the blade platforms so as to urge the blade roots radially outward.

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patent: 4602412 (1986-07-01), Partington et al.
patent: 4676723 (1987-06-01), Kiger et al.

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