The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 1982
Filed:
Apr. 20, 1979
Sachio Tsunoda, Yokohama, JP;
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Abstract
Disclosed are a method of pumping up electric power generation and an apparatus therefor which comprises a single-speed reversible pump-turbine and a booster pump, hydraulically coupling and driving the pump-turbine in series with the booster pump to perform pumping with the sum of respective pump total heads of the pump-turbine and the booster pump, and generating electric power by an average turbine net head affecting the pump-turbine without employing the booster pump, the ratio of the average pump total head to the average turbine net head of the pump-turbine being selected at the range from 0.82 to 1.0 and the ratio of average pump total head of the booster to the average turbine net head being selected at the range of from 0.23 to 0.05.