Torque-limited coupling element and method for torque-limited coupling

US8857591B2 · kind B2 · utility

Assignee

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Björn Seipel · Florstadt, DE
• Michael Matthias · Darmstadt, DE
• Marco Jackel · Bad Orb, DE

Key dates

• Filing date: Jul 15, 2010
• Grant date: Oct 14, 2014
• Expiry date: Apr 20, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D37/02
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention is a torque-limited coupling element including an input and output rotatably mounted about a common rotational axis, at least one Connection which is transferred from a first position into a second position upon exceeding a settable limit torque acting between the input and the output wherein in the first position the at least one connection connects the input and the output in a rotationally fixed manner, and in the second position, the input and the output are rotatably mounted relative to one another. A displacement body is movably mounted within a chamber filled with a magnetorheological fluid with the position of the displacement body resulting from a holding force provided by the magnetorheological fluid being under influence of a magnetic field.