9-speed planetary-gear automatic transmission

US8801563B2 · kind B2 · utility

Assignee

• Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

• Ulrich Ohnemus · Uhingen, DE
• Tilo Marschall · Munich, DE
• Alexander Martin · Regensburg, DE
• Lothar Wolf · Munich, DE
• Andreas Senft · Starnberg, DE

Key dates

• Filing date: May 7, 2013
• Grant date: Aug 12, 2014
• Expiry date: May 7, 2033

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2200/2046
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A 9-speed planetary gear-automatic transmission includes precisely one gearbox input element, precisely one gearbox output element, precisely four planetary gear sets and precisely six shifting devices for selecting the individual gears of the planetary gear-automatic transmission.