The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 15, 2019
Filed:
Dec. 11, 2013
Trw Automotive Gmbh, Alfdorf, DE;
Joachim Biller, Lorch, DE;
Hans-Peter Bausch, Alfdorf, DE;
TRW Automotive GmbH, , DE;
Abstract
In a load limiting device (), especially for a seat belt in a vehicle, comprising a controllable braking device () which has a fluid-filled compartment () including a conduit () through which the fluid () can flow, an element to be decelerated () which is coupled to the seat belt, at least one sensor () for detecting vehicle operating data, especially an acceleration sensor, a sensor () for detecting the webbing extension, and a controller () for controlling the braking power of the braking device () as a function of the vehicle operating data measured and the webbing extension measured, the fluid () is a magnetorheological fluid and a control magnet is provided which is adapted to generate a variable magnetic field inside the conduit () and to vary the viscosity of the magnetorheological fluid inside the conduit ().