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:
Sep. 22, 2015
Filed:
Jul. 17, 2013
Kwang Yang Motor Co., Ltd., Kaohsiung, TW;
Chien-Hung Lai, Kaohsiung, TW;
Kwang Yang Motor Co., Ltd., Kaohsiung, TW;
Abstract
A stepless speed-change power transmission for a vehicle includes a driving pulley disposed on an input shaft and including a fixed driving pulley half and a movable driving pulley half, a driven pulley disposed, on an output shaft and including a fixed driven pulley half and a movable driven pulley half, and an air guide unit. The air guide unit includes a curved first air guide wall and a curved second air guide wall that are disposed around the fixed driving pulley half to form first and second notches between the first and second air guide walls. The first notch guides air from the fixed driving pulley half onto the driven pulley. The second notch guides air from the fixed driving pulley half onto the movable driving pulley half.