Method of converting storage pumps into reversible pump-turbines | Patent Publication Number 20030182798

US 20030182798 A1
Patent NumberUS 06820333 B2
Application Number10395288
Filled DateMar 25, 2003
Priority DateMar 25, 2003
Publication DateOct 2, 2003
Original AssigneeHitachi Ltd.
Current AssigneeHitachi Ltd.
Inventor/ApplicantsKatsumasa Shimmei
Kazuo Niikura
Katsumasa Shimmei
Kazuo Niikura
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