Cone disc infinitely-variable gearbox

US7264564B2 · kind B2 · utility

Assignee

• LuK Lamellen und Kupplungsbau Beteiligungs KG · DE

Inventor

• Bernhard Walter · Oberkirch, DE

Key dates

• Filing date: Dec 17, 2004
• Grant date: Sep 4, 2007
• Expiry date: Dec 17, 2024

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2061/66295
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A cone disc infinitely-variable gearbox including a shaft, a cone disc preferably embodied in one piece with the shaft, a cone disc connected to the shaft in a non-rotating axially-displaceable manner, a bearing ring axially fixed onto the shaft at a separation from the rear face of the displaceable cone disc, a radial inner pressure chamber formed between the cone disc and the bearing ring, which may be altered in the axial direction and which may be pressurized with pressure medium, through an opening embodied in the shaft, for displacement of the cone disc and a radial outer pressure chamber which may be altered in the axial direction and which may be pressurized with pressure medium, through a further opening embodied in the shaft, for displacement of the cone disc.