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:
Jul. 10, 2012
Filed:
Mar. 25, 2009
Applicants:
Hideki Niwa, Gifu, JP;
Teruhiko Yoshioka, Gifu, JP;
Inventors:
Hideki Niwa, Gifu, JP;
Teruhiko Yoshioka, Gifu, JP;
Assignee:
Nabtesco Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/06 (2006.01); F04B 39/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a technology for downsizing fluid pressure equipment including a fluid pressure pump and a radiator. The hydraulic pump unitincludes: a hydraulic pump; a motorwhich drives the hydraulic pump; a cooling fanwhich is connected to an output shaftof the motorand generates a flow of cooling airto cool the motor; and a radiatorwhich receives heat from the hydraulic oil. The motorand the radiatorare overlapped with the cooling fan, when viewed from the axial direction of the output shaftof the motor