Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...
Reexamination Certificate
2011-02-15
2011-02-15
Look, Edward (Department: 3745)
Rotary kinetic fluid motors or pumps
With sound or vibratory wave absorbing or preventing means...
C415S139000, C415S208200, C277S647000, C277S650000, C277S654000
Reexamination Certificate
active
07887286
ABSTRACT:
A sector of a compressor guide vanes assembly or a sector of a turbomachine nozzle assembly. It comprises an inner ring sector (4), an outer ring sector (6) and a multitude of blades (8) connecting the inner ring sector (4) to the outer ring sector (6). The outer ring sector (6) or the inner ring sector (4) comprises radial cuts (10) situated between two consecutive blades (8) in such a way as to split them into the same number of elementary sectors as there are blades. Housings (14) are provided, secant to the radial cuts (10), damping inserts (16) being positioned in said housings.
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Abgrall Olivier
Dezouche Laurent Gilles
Garcin Francois Maurice
Lombard Jean-Pierre Francois
Look Edward
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
SNECMA
Younger Sean J
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