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:
Apr. 24, 1979
Filed:
Mar. 22, 1977
Applicant:
Inventors:
Toshiaki Tsutsui, Tokyo, JP;
Akira Oyamada, Tokyo, JP;
Tomomitsu Hamaguchi, Tokyo, JP;
Akihiko Agata, Tokyo, JP;
Assignee:
Nikkiso Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ; F04D / ;
U.S. Cl.
CPC ...
415143 ; 4151996 ;
Abstract
An axial flow inducer for hydraulic devices is disclosed. The inducer is coaxially arranged in front of a fluid suction inlet side of a main impeller of an hydraulic device, for example, a pump and constituted by at least two axial flow blade parts which are constructed and arranged so as to prevent an occurrence of noise over all flow amount region of the impeller.