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:
Dec. 15, 2009
Filed:
Aug. 03, 2007
Fu-yuan Cheng, Taichung, TW;
Chih-hsien Chao, Taichung, TW;
Fu-Yuan Cheng, Taichung, TW;
Chih-Hsien Chao, Taichung, TW;
Hiwin Mikrosystem Corp., Taichung, TW;
Abstract
A direct drive torque motor comprises: a body, a direct drive torque motor, a main shaft, a bearing assembly, a brake assembly, a cooling assembly, and a position-sensing assembly. The bearing assembly is used to position the main shaft in the direct drive torque motor and the body. The brake assembly is disposed between the body and the main shaft. The cooling assembly is located in the body to cool the torque motor. The position-sensing assembly is mounted on the body for sensing the rotation of the main shaft and then controls the drive of the direct drive torque motor. With above arrangements, the direct drive torque motor can be used on various machines that need to rotate to perform various angle control, rotation control and accuracy control, it can improve the life and the modular application of the product.