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:
May. 12, 2009
Filed:
May. 09, 2005
Applicants:
Takaki Fukuchi, Tomobe, JP;
Taiji Hashimoto, Tsuchiura, JP;
Kazuo Amano, Tsuchiura, JP;
Inventors:
Assignee:
Hitchi Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump device for pressurizing a fluid to be fed, comprises: a rotary shaft, a bearing including a bearing surface adapted to face to the rotary shaft so that the rotary shaft is supported on the bearing surface in a rotatable manner, and an impeller fixed to the rotary shaft to be rotatable with the rotary shaft so that the fluid is pressurized by a rotation of the impeller.