Patent · US Active

Hydraulic system

US8051650B2 · kind B2 · utility

1Cited by

5References

7Claims

0Family size

Assignee

LuK Lamellen und Kupplungsbau Beteiligungs KG · DE

Inventors

Christoph Vetter · Hopewell, US
Eric Muller · Contz-les-Bains, FR
Reinhard Stehr · Bogen, DE
Hanjo Nissen · Bogen, DE
Volker Edelmann · Bergneustadt, DE

Key dates

Filing date	Feb 21, 2008
Grant date	Nov 8, 2011
Priority date	—
Expiry date	Apr 18, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2061/66286
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydraulic system for actuating a clutch and/or a variable speed drive unit of a belt-driven conical-pulley transmission of a vehicle, such as a commercial vehicle, and having a variable transmission ratio and a torque sensor. The hydraulic system includes at least one hydraulic energy source. A selector and check valve is provided for supplying additional components besides the torque sensor and is connected between the hydraulic energy source, the additional components, and the torque sensor in such a way that the torque sensor includes priority in being supplied with hydraulic medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.