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:
Jan. 31, 2023
Filed:
Dec. 15, 2020
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Masahiko Nakazono, Kawasaki Kanagawa, JP;
Takero Mukai, Yokohama Kanagawa, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
According to an embodiment, the vanehas a thick root portionP formed on the bandside of a pressure surface to be joined to the band, with a thickness of the thick root portionP being gradually increased toward the band, and a thick root portionN formed on the bandside of a negative pressure surface to be joined to the band, with a thickness of the thick root portionN being gradually increased toward the band. The outlet endhas a first curved portionand a second curved portion. An extreme pointB forming a bottom end of the second curved portionis positioned closer to the bandthan an end of the thick root portionP,N on the crownside.