Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Patent
1997-03-25
2000-11-07
Ryznic, John E.
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Irregular, flanged or channel forming blade surface
416236A, 4151731, 4151735, 415914, B63H 126, F01D 514
Patent
active
06142739&
ABSTRACT:
An unshrouded turbine rotor blade 24 for use particularly in gas turbine engines comprising an aerofoil 30 having a leading edge 32 and a trailing edge 34. The radially outer extremity of the aerofoil 30 having a passage 42 defined by a peripheral wall 44. An aperture is formed within the wall 44 in the proximity of the trailing edge 32 of the aerofoil portion 30. The walled passage 42 is provided to capture and retain air or gas flowing over the tip of the aerofoil 30 and redirect the flow through the aperture 46 at the trailing edge of the aerofoil 30.
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patent: 5564902 (1996-10-01), Tomita
patent: 5688107 (1997-11-01), Downs et al.
Rolls-Royce plc
Ryznic John E.
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