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:
Oct. 13, 2015
Filed:
Dec. 23, 2013
Hyundai Motor Company, Seoul, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
Abstract
A transmission system for a four wheel drive hybrid electric vehicle includes: an input shaft selectively connected to a front wheel transmission housing while being connected to an output shaft of an engine; a first motor/generator having disposed in the front wheel transmission housing; a second motor/generator having a function of the motor and the generator and connected to a rear wheel output gear disposed in a rear wheel transmission housing; a planetary gear set on the input shaft and including three rotating elements, in which among three rotating elements, a first rotating element is directly connected to the first motor/generator and selectively connected to the input shaft, a second rotating element is directly connected to the input shaft, and a third rotating element is selectively connected to a front wheel output gear; and a connection unit disposed at a selective connection part.