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:
Nov. 10, 2015
Filed:
Oct. 05, 2009
Yasuyuki Enomoto, Matsudo, JP;
Kazuyuki Nakamura, Yokohama, JP;
Takanori Nakamura, Yokohama, JP;
Akira Shinohara, Tokyo, JP;
Kotaro Tezuka, Yokohama, JP;
Yasuyuki Enomoto, Matsudo, JP;
Kazuyuki Nakamura, Yokohama, JP;
Takanori Nakamura, Yokohama, JP;
Akira Shinohara, Tokyo, JP;
Kotaro Tezuka, Yokohama, JP;
Other;
Abstract
A hydraulic machine having a hydro turbine runner which has a crown at a center and a band along an outer periphery, and is formed around the axis of rotation, long blades which are arranged along the circumferential direction of the axis of rotation, and whose center-side ends are supported by the crown, and periphery-side ends are supported by the band, and short blades which are arranged between the long blades, and whose center-side ends are supported by the crown, periphery-side ends are supported by the band, and rear edges are curved in a rotation direction of the hydro turbine runner in turbine operation, on a plane of projection perpendicular to the axis of rotation.