Control lever for the pitch angle of a blade in a turbomachine

Details Control lever for the pitch angle of a blade in a turbomachine Control lever for the pitch angle of a blade in a turbomachine

2007-10-16

2007-10-16

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

Reexamination Certificate

active

11045264

ABSTRACT:
A control lever for the pitch angle of a blade in a turbomachine, said lever having a first end intended to be mounted on a blade pivot so as to rotate it and a second end comprising a cylindrical peg for mounting on a control annulus, this peg being fixed by crimping of one of its ends in an orifice of the second end of the lever and comprising an annular flange to which is applied the second end of the lever, wherein stress distribution means are interposed between the second end of the lever and the crimped end of the peg.

REFERENCES:
patent: 3788463 (1974-01-01), Nickles
patent: 3788763 (1974-01-01), Nickles
patent: 2002/0034439 (2002-03-01), Caubet et al.

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