Steam turbine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9850781
SERIAL NO

14315837

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Importance

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Abstract

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A steam turbine 10 according to an embodiment includes rotor blades 22 implanted to a turbine rotor 21, stationary blades 26 making up a turbine stage together with the rotor blades 22, diaphragm outer rings 23 including an annular extending part 24 surrounding a periphery of the rotor blades 22, and supporting the stationary blades 26, and diaphragm inner rings 25 supporting the stationary blades 26. The steam turbine 10 further includes an annular slit 40 formed at an inner surface of the diaphragm outer ring 23 between the stationary blades 26 and the rotor blades 22 along a circumferential direction, and communication holes 50 provided in plural at an outer surface of the diaphragm outer ring 23 along the circumferential direction, communicated to the annular slit 40 from the outer surface side, and communicated to an exhaust chamber sucking water films via the annular slit 40.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohashi, Shinichiro Ota-ku, JP 22 398
Shibukawa, Naoki Saitama, JP 12 62
Tominaga, Junichi Yokohama, JP 6 47
Tsukuda, Tomohiko Yokohama, JP 10 36

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