Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – With runner shaft of specific shape or material
Reexamination Certificate
2005-04-12
2005-04-12
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
With runner shaft of specific shape or material
C415S221000, C415S914000
Reexamination Certificate
active
06877953
ABSTRACT:
A gas turbine with a compressor area has a rotor shaft2to carry rotor blades1and a casing4to carry stator vanes3,with the related rotor blades1and stator vanes3forming an axial clearance space5between one another, wherein, in the area of the axial clearance space5,at least one wall of the rotor shaft2and/or of the casing4is provided with an arrangement of fins6which are inclined against the axial direction.
REFERENCES:
patent: 4086022 (1978-04-01), Freeman et al.
patent: 4645417 (1987-02-01), Wisler
patent: 5137419 (1992-08-01), Waterman
patent: 5762470 (1998-06-01), Gelmedov et al.
Harbin King & Klima
Nguyen Ninh H.
Rolls-Royce Deutschland Ltd & Co KG
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