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:
Mar. 23, 1999
Filed:
Dec. 29, 1997
Jongsool Park, Kyunggi-do, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A geartrain for a five-speed automatic transmission including first and second compound planetary gear units. The first compound planetary gear unit includes first and second simple planetary gearsets having first, second and third operating elements. The first operating element acting as an input element. The second compound planetary gear unit includes third and fourth simple planetary gearsets having fifth, sixth, seventh and eighth operating elements. The fifth operating element acts as an output element. The sixth operating element is variably connected to either the first operating element or the second operating element. The seventh operating element is fixedly connected to the fourth operating element. Clutches for variably connecting the sixth operating element to either the first operating element or the second operating element are provided. Brakes for selectively connecting the third and eighth operating element to a transmission housing are provided.