Drum rotor for an impulse steam turbine having blades mounted in

Details Drum rotor for an impulse steam turbine having blades mounted in Drum rotor for an impulse steam turbine having blades mounted in

1993-01-07

1994-05-03

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

4151737, 416198A, F01D 530

Patent

active

053082273

ABSTRACT:
A drum rotor for an impulse steam turbine having moving wheels constituted by rotor blades whose roots are provided with dovetails are locked in dovetail shaped grooves formed in the rotor. The grooves are longitudinal over at least a portion of the rotor. The roots of the blades of a moving wheel are separated from the roots of the blades of an adjacent moving wheel by dovetail shaped spacers. An optimum filling of the longitudinal grooves is effected for better interconnection of the caps of the rotor blades.

REFERENCES:
patent: 3529905 (1970-10-01), Meginnis
patent: 4477226 (1984-10-01), Carreno
patent: 4655683 (1987-04-01), Chaplin
patent: 4813850 (1989-03-01), Partington

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