Axial flow turbine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9476315
APP PUB NO 20140119901A1
SERIAL NO

14061195

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An axial flow turbine that can enhance an effect of reducing a mixing loss is disclosed. The axial flow turbine includes a plurality of stator blades provided on the inner circumferential side of a diaphragm outer ring; a plurality of rotor blades provided on the outer circumferential side of a rotor; a shroud provided on the outer circumferential side of the plurality of rotor blades; an annular groove portion formed in the diaphragm outer ring and housing the shroud therein; a clearance passage defined between the groove portion and the shroud, into which a portion of working fluid flows from the downstream side of the stator blades in a main passage; seal fins provided in the clearance passage; a circulation flow generating chamber defined on the downstream side of the clearance passage; and a plurality of shielding plates secured to the diaphragm outer ring.

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Patent Owner(s)

  • MITSUBISHI HITACHI POWER SYSTEMS, LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukushima, Hisataka Tokyo, JP 11 40
Lee, Goingwon Tokyo, JP 8 43
Nishijima, Noriyo Tokyo, JP 18 347
Segawa, Kiyoshi Tokyo, JP 16 137
Shibata, Takanori Tokyo, JP 61 1170

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