Tip sealing for a turbine rotor blade

Details Tip sealing for a turbine rotor blade Tip sealing for a turbine rotor blade

2006-10-10

2006-10-10

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C416S195000, C416S235000

Reexamination Certificate

active

07118329

ABSTRACT:
An unshrouded rotor blade24comprising an aerofoil28, said aerofoil28having a leading edge34, a trailing edge36, a pressure surface30and a suction surface32, there being provided at a radially outer extremity of the aerofoil28a gutter40which is wider than the aerofoil28adjacent the trailing edge36thereof, wherein at least a part of the gutter40is offset towards the aerofoil pressure surface30.

REFERENCES:
patent: 6142739 (2000-11-01), Harvey
patent: 2002/0197160 (2002-12-01), Liang
patent: 0 801 209 (1999-07-01), None
patent: 1107024 (1968-03-01), None
patent: 1195012 (1970-06-01), None
patent: 1426049 (1976-02-01), None
patent: 2 075 129 (1981-11-01), None
patent: 2 322 167 (1998-08-01), None

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