Speed governor and distributing valve for hydraulic turbines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7225719
APP PUB NO 20050260064A1
SERIAL NO

11134295

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A distributing valve for a speed governor of a turbine is provided, the distributing valve having a structure to reliably vent air therefrom. The distributing valve is disposed such that the direction of movement of a plunger is horizontal, with air vent valves being provided at the highest portion of each of ports of the distributing valve, to facilitate reliable venting of air out of a pressure oil system. Also provided is a structure of the distributing valve to facilitate machining or assembly of the distributing valve.

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Patent Owner(s)

Patent OwnerAddress
HITACHI MITSUBISHI HYDRO CORPORATION29-14 SHIBA 5-CHOME MINATO-KU TOKYO 108-0014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imai, Hideaki Hitachi, JP 12 276

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