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:
Mar. 10, 2009
Filed:
Jul. 07, 2004
Applicants:
Naoki Miyagi, Yokohama-shi, Kanagawa, JP;
Fujio Yamamoto, Fukui, JP;
Yuichi Murai, Sapporo, JP;
Koji Miyazaki, Fukui, JP;
Futoshi Matsui, Fukui, JP;
Yuji Aoyagi, Fukui, JP;
Inventors:
Naoki Miyagi, Yokohama-shi, Kanagawa, JP;
Fujio Yamamoto, Fukui, JP;
Yuichi Murai, Sapporo, JP;
Koji Miyazaki, Fukui, JP;
Futoshi Matsui, Fukui, JP;
Yuji Aoyagi, Fukui, JP;
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A small size gear pump having a disc-shaped case, inside which a flat cylindrical motor rotor chamber, a bearing chamber and a flat cylindrical gear chamber are arranged eccentrically from the bearing chamber and the rotor chamber, which are piled sequentially along an axial direction and are communicating to each other.