Apparatus and method for reducing relative motion between blade

Details Apparatus and method for reducing relative motion between blade Apparatus and method for reducing relative motion between blade

1987-02-24

1988-02-16

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416500, F01D 510

Patent

active

047252006

ABSTRACT:
An apparatus and method for use in steam turbines of the type employing axial entry blades comprises a plurality of resilient rings disposed in a generally axially extending slot in the base of each blade root. The rings urge each root radially outward so as to minimize blade flop during turning gear operation.

REFERENCES:
patent: 1619133 (1927-03-01), Kasley
patent: 2684831 (1954-07-01), Grantham
patent: 2753149 (1956-07-01), Kurti
patent: 2843356 (1958-07-01), Hull
patent: 2930581 (1960-03-01), Klint
patent: 3759633 (1973-09-01), Tournere
patent: 4022545 (1977-05-01), Shank
patent: 4037990 (1977-07-01), Harris

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