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. 18, 2014
Filed:
Aug. 15, 2007
Applicants:
Seiei Masuda, Tokyo, JP;
Yasushi Matsunaga, Hanno, JP;
Inventors:
Seiei Masuda, Tokyo, JP;
Yasushi Matsunaga, Hanno, JP;
Assignee:
IHI Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/24 (2006.01); F04C 2/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a double gear pump that is provided with a drive gear; two driven gears that are oppositely arranged with the drive gear therebetween, a first bearing that supports a drive shaft of the drive gear; and a second and a third bearings that support rotating shafts of the two driven gears, the bearing length of the first bearing is formed shorter than the bearing lengths of the second and third bearings. According to the present invention, it is possible to provide a double gear pump that is capable of easily and reliably reducing the bearing loss of a bearing that support a gear.