Control lever attachment with play compensation for blades...

Details Control lever attachment with play compensation for blades... Control lever attachment with play compensation for blades...

2006-11-28

2006-11-28

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S160000

Reexamination Certificate

active

07140838

ABSTRACT:
The manufacturing cost of the control device is relatively low.This device comprises mainly a first end (46) of a control lever (40) provided with a drive hole (45) that drives the driving part (16) of a blade (10) through a first contact area (41). The close contact between these two parts in this area is obtained using a play compensation plate (50) bearing on a side part (47) of the control lever (40), and fixed to the assembly using a nut (60) screwed onto the external pivot (11) of the blade (10).For application on turbomachines.

REFERENCES:
patent: 4668165 (1987-05-01), Ludwick
patent: 4767264 (1988-08-01), Kisling et al.
patent: 5024580 (1991-06-01), Olive
patent: 2002/0034439 (2002-03-01), Caubet et al.
patent: 2003/0147743 (2003-08-01), Chatel et al.
patent: 2 814 206 (2002-03-01), None

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