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Title:
水力機械およびその調相運転方法
Document Type and Number:
Japanese Patent JP5932509
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic machinery capable of executing a stable phase modification operation by properly controlling a thickness and a temperature of a water curtain.SOLUTION: The hydraulic machinery of an embodiment includes a stay vane disposed at an inner peripheral side of a casing in which water flows, a guide vane disposed at an inner peripheral side of the stay vane, and a cylinder gate disposed between the stay vane and the guide vane. Further the machinery includes an upper cover disposed at an upper side of the guide vane, and a lower cover disposed at a lower side of the guide vane. Furthermore the upper cover, the lower cover or the cylinder gate has an opening portion to inject the water to a flow channel between th cylinder gate and the guide vane. The opening portion is formed on a position between the cylinder gate and the guide vane, of the upper cover or the lower cover, or a position penetrating through an inner periphery and an outer periphery of the cylinder gate.

Inventors:
Yasuyuki Enomoto
Kotaro Tezuka
Takashi Matsumoto
Itabashi Shigeki
Application Number:
JP2012136857A
Publication Date:
June 08, 2016
Filing Date:
June 18, 2012
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
F03B15/04; F03B11/00
Domestic Patent References:
JP57013274A
JP59190481A
JP2248657A
JP59115477A
JP53046533A
JP11270453A
Attorney, Agent or Firm:
Hirohito Katsunuma
Yasukazu Sato
Yasushi Kawasaki
Takeshi Sekine
Akaoka Akira
Jie Yamanoi