Multiple-speed, hydrokinetic transmission

US4649763A · kind A · utility

Assignee

• Ford Motor Company · US

Inventors

• Kurt Graef · Pühlheim, DE
• Egon Axt · Kempten (Allgäu), DE
• Hans-Peter Wirtz · Cologne, DE
• Friedrich Lauscher · Kreuzau, DE
• Werner Potzsch · Cologne, DE
• Peter Korfer
• Paulus Sastrarahardja · Pulheim, DE
• Werner Croonen · Bergheim, DE
• Josef Serf · Cologne, DE

Key dates

• Filing date: May 8, 1985
• Grant date: Mar 17, 1987
• Expiry date: May 8, 2005

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2200/0043
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Multiple-speed, hydrokinetic-mechanical change-speed gearbox controlled by an hydraulic control valve system for a motor vehicle comprising multiple ratio gearing and a simple planetary gear unit located between the hydrokinetic portion and the multiple ratio gearing.