Turbine having suspended rotor blades

Details Turbine having suspended rotor blades Turbine having suspended rotor blades

1994-01-21

1996-02-27

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

4151731, 4151736, F01D 512, F02C 700

Patent

active

054938554

ABSTRACT:
A high-efficiency turbine includes low-tensile-strength rotor blades capable of high-temperature operation (such as ceramic) which are mounted on fluid bearings between a continuous rim and a hub, the rim being connected via high-tensile-strength spokes through each blade to the hub. The fluid provides internal support to the blade structure and provides a bearing medium and force with which to maintain blade position under compression. One or more fluids may be employed as coolants in passages within the blade to establish an adequate temperature gradient between blade surface and the associated spoke to minimize spoke failure due to overheating.

REFERENCES:
patent: 2963268 (1960-12-01), Smile et al.
patent: 3301526 (1967-01-01), Chamberlain
patent: 3301527 (1967-01-01), Kercher
patent: 3309151 (1967-03-01), Sherman
patent: 4629397 (1986-12-01), Schweitzer

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