Rotating blade body and rotary machine using rotating blade...

Details Rotating blade body and rotary machine using rotating blade... Rotating blade body and rotary machine using rotating blade...

2007-04-03

2007-04-03

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

C416S21900R, C416S22000A, C416S500000

Reexamination Certificate

active

11020182

ABSTRACT:
Such a rotating blade body is supplied as can prevent not only local wear and deformation but also inadvertent vibration and can maintain cooling efficiency. A rotating blade body consists of a rotor disc2and rotating blades1which are assembled so as to extend from the outer circumference of the rotor disc2in a radial pattern, wherein blade root portions10of the rotating blades1are engaged into blade grooves20which are formed along a direction of a rotating shaft on an edge of the outer circumference of the rotor disc2.Circulation spaces25for the cooling air are formed along the direction of a rotating shaft between the bottom-end portions10aof the blade root portions10and the bottom portions20aof the blade grooves20. Pushing-up members3which push up the rotating blades1outward in a radial direction are inserted into the circulation spaces25, maintaining circulation of the cooling air.

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German Office Action dated Feb. 27, 2006.

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