Method and device for riveting a shroud to the tips of rotor bla

Details Method and device for riveting a shroud to the tips of rotor bla Method and device for riveting a shroud to the tips of rotor bla

1990-04-20

1991-10-29

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

2924354, 2988922, 298897, 7245319, B21S 1502

Patent

active

050603752

ABSTRACT:
A method and device for rivetting a shroud to the blades of a rotor stage of a rotor, each blade having one or more tenons adapted to be inserted into one or more holes in the shroud. The tenons are at an angle to the median plane of the rotor stage. A rivetting head is positioned in line with the tenon to be rivetted and held in place by two flanges between which the group of blades is clamped. The head then moves into alignment with another tenon along a circular arc or laterally. The method and device enable regular repetitive rivetting without any medical or legal restrictions.

REFERENCES:
patent: 2135040 (1938-11-01), Morgan et al.
patent: 2197334 (1940-04-01), Bohan
patent: 4137620 (1979-02-01), Beusing
patent: 4437213 (1984-03-01), Reese et al.
patent: 4762261 (1988-08-01), Hawly et al.
patent: 4864702 (1989-09-01), Speller, Sr. et al.
patent: 4885836 (1989-12-01), Bonomi et al.

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