Impulse turbine with a drum rotor, and improvements to such turb

Details Impulse turbine with a drum rotor, and improvements to such turb Impulse turbine with a drum rotor, and improvements to such turb

1992-04-17

1994-07-12

Look, Edward K.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

4151737, F01D 110

Patent

active

053283260

ABSTRACT:
An impulse steam turbine has a rotor and a stator and a plurality of stages each constituted by a diaphragm with stationary blading followed by moving blading comprising blades that rotate with the rotor. The moving blades are mounted directly on the rotor, and not on disks, with the stationary blading providing more than 85% of the pressure drop at the base of each stage. Such turbines may be provided with improvements that reduce secondary losses. Efficiency is improved by several percentage points.

REFERENCES:
patent: 2197521 (1940-04-01), Egli
patent: 2619318 (1952-11-01), Schaer
patent: 5232338 (1993-08-01), de Paul et al.

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