Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Plural – independent – serially acting re-entry means
Reexamination Certificate
2005-07-08
2009-10-13
Verdier, Christopher (Department: 3745)
Rotary kinetic fluid motors or pumps
With means for re-entry of working fluid to blade set
Plural, independent, serially acting re-entry means
C415S057300, C415S144000, C415S169100, C415S058500
Reexamination Certificate
active
07600965
ABSTRACT:
A turbocompressor flow structure comprises a ring chamber which is arranged concentrically to an axis of a turbocompressor in an area of free blade/vane ends of a rotor blade ring/vane ring and is adjacent radially to a main flow channel. A ring chamber is provided which is bordered by a front upstream wall, a rear downstream wall and a wall that runs essentially axially. Baffle elements are arranged in the ring chamber and the ring chamber permits flow penetration in a circumferential direction in a front and/or rear area. At least one opening is provided in the area of the wall that runs essentially axially or in the area of the upstream wall and permits flow penetration out of the ring chamber, at least one compressor chamber being provided to accommodate this outgoing flow.
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Crowell & Moring LLP
MTU Aero Engines GmbH
Verdier Christopher
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