Impulse turbine with a drum rotor, and improvements to such turbines
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United States of America Patent
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-
Jul 12, 1994
Grant Date -
N/A
app pub date -
Apr 17, 1992
filing date -
Apr 19, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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Cited Art Landscape
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