Apparatus and method for reducing blade flop in steam turbine

Details Apparatus and method for reducing blade flop in steam turbine Apparatus and method for reducing blade flop in steam turbine

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

416190, 416196R, F01D 522

Patent

active

047672730

ABSTRACT:
A steam turbine of the type employing axial entry, integral shroud blades has a pin disposed between adjacent shrouds that extends into tangentially oriented holes in the opposing faces of adjacent shrouds. The pins reduce blade flop during turning gear operation and reduce blade vibration during operation under load.

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patent: 4602412 (1986-07-01), Partington et al.
patent: 4699569 (1987-10-01), Gloor
patent: 4722668 (1988-02-01), Novacek

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