Device for interconnecting turbine blades

Details Device for interconnecting turbine blades Device for interconnecting turbine blades

1979-04-02

1981-03-24

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

416191, 416196R, F01D 522

Patent

active

042577420

ABSTRACT:
A device for interconnecting turbine blades comprises a pair of projections extending towards each other from the opposing sides of the tips of adjacent blades, having an inclined inward surface, and having a radially extending perforation. A cover piece has a pair of inclined outward surfaces conforming to the inward surfaces of the projections. The cover piece also has lugs extending through the perforations in the projections. One of the lugs has its end peened to form an overhang for abutting the projection. The perforation of the opposite projection is elongated to permit untwist of the turbine blades.

REFERENCES:
patent: 1554614 (1925-09-01), Allen
patent: 2942843 (1960-06-01), Sampson
patent: 3290004 (1966-12-01), Ishibashi
patent: 3751182 (1973-08-01), Brown
patent: 4025232 (1977-05-01), Imai et al.
patent: 4028006 (1977-06-01), Kuroda et al.

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