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:
Dec. 02, 2014
Filed:
Feb. 28, 2012
Applicants:
Naoyuki Ishida, Hitachi, JP;
Hisamichi Inoue, Takahagi, JP;
Inventors:
Naoyuki Ishida, Hitachi, JP;
Hisamichi Inoue, Takahagi, JP;
Assignee:
Hitachi-GE Nuclear Energy, Ltd., Ibaraki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 15/00 (2006.01); F04F 5/10 (2006.01); F04F 5/54 (2006.01); G21C 15/25 (2006.01); F04F 5/46 (2006.01);
U.S. Cl.
CPC ...
F04F 5/462 (2013.01); Y02E 30/40 (2013.01); F04F 5/10 (2013.01); F04F 5/54 (2013.01); G21C 15/25 (2013.01);
Abstract
A nozzle apparatus of a jet pump includes a nozzle base member, and a plurality of nozzles installed to the nozzle base member and forming a plurality of narrowing portions, in which a fluid passage cross-sectional area of a driving fluid passage formed in the nozzle is reduced.