AXIAL TURBOMACHINE WITH LOW TIP LEAKAGE LOSSES

AXIAL TURBOMACHINE WITH LOW TIP LEAKAGE LOSSES

The machine i.e. axial compressor (1), has rotor blades (2) comprising a front edge (8), a radially outer free blade tip (15) and an annular enclosure (13). Rotor blades have a radial projection (18) in a region of the front edge on the blade tip. The annular enclosure has an annular radial recess (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CORNELIUS, CHRISTIAN, KROEGER, GEORG, AULICH, MARCEL
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Beschreibung
Zusammenfassung:The machine i.e. axial compressor (1), has rotor blades (2) comprising a front edge (8), a radially outer free blade tip (15) and an annular enclosure (13). Rotor blades have a radial projection (18) in a region of the front edge on the blade tip. The annular enclosure has an annular radial recess (17) at an annulus inner side (14). The recess is arranged at a radial distance from enveloping ends of the blade tip such that a gradient of the radial projections on the side facing the radial gap (16) emulates a gradient of the radial recess along a main flow direction of the engine.