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:
Jun. 16, 2015
Filed:
Sep. 14, 2012
Applicants:
Takaaki Onishi, Hyogo, JP;
Taku Kondo, Hyogo, JP;
Yasuto Onomichi, Hyogo, JP;
Shogo Hagihara, Hyogo, JP;
Ryo Takaki, Hyogo, JP;
Inventors:
Takaaki Onishi, Hyogo, JP;
Taku Kondo, Hyogo, JP;
Yasuto Onomichi, Hyogo, JP;
Shogo Hagihara, Hyogo, JP;
Ryo Takaki, Hyogo, JP;
Assignee:
Sumitomo Precision Products Co., Ltd., Amagasaki-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 15/18 (2006.01); B64C 13/50 (2006.01);
U.S. Cl.
CPC ...
F15B 15/18 (2013.01); B64C 2013/506 (2013.01);
Abstract
An electro hydrostatic actuator includes an actuator body, a hydraulic pump driven to supply operation oil to the actuator body, and an electric motor configured to drive the hydraulic pump. Each of the hydraulic pump and the electric motor is placed so as to surround the outer periphery of the actuator body, and the hydraulic pump and the electric motor are arranged in a direction along a center axis.