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. 25, 2007
Filed:
Dec. 13, 2005
Young Sam Choi, Seoul, KR;
Young Sam Choi, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A planetary gear set for an automatic transmission of a vehicle includes a central shaft having a main lubrication path and a penetration hole connected with the main lubrication path, a sun gear, a pinion gear, a ring gear, a planet carrier, a first bearing disposed between a side of the sun gear and the planet carrier, a second bearing disposed between the planet carrier and the pinion gear, a clutch hub shaft, a sun gear lubrication path that connects the main lubrication path to the first bearing through the penetration hole, a pinion gear lubrication path that connects the main lubrication path to the second bearing through the penetration hole, and a sealing element disposed in a passageway connecting the pinion gear lubrication path and the sun gear lubrication path so as to close the passageway.