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. 06, 2004
Filed:
May. 31, 2002
Applicant:
Inventor:
Hitoshi Oyori, Tokyo, JP;
Assignee:
IHI Aerospace Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 5/46 ; H02P 7/68 ; H02P 7/74 ;
U.S. Cl.
CPC ...
H02P 5/46 ; H02P 7/68 ; H02P 7/74 ;
Abstract
To realize structure simplification and reduction in manufacturing cost without lowering power transmission efficiency and reliability. The present invention includes a first motor and a second motor , and a lead of a ball screw is disposed coaxially with a motor rotary shaft on a first motor side and a nut of the ball screw is disposed coaxially with a motor rotary shaft on a second motor side so that the first motor and the second motor are connected to each other via the ball screw