Patent ID: 8547191
Filing Date: 2013-10-01
Classification: F16F

Abstract:
1. Damping device to oppose a reaction to a displacement of a manual operating device, said damping device comprising: at least one chamber containing a magneto-rheological fluid, two means of generating a variable magnetic field in the magneto-rheological fluid so as to modify its apparent viscosity, at least one element free to move in translation capable of shearing the magneto-rheological fluid and designed to be mechanically connected to the manual operating device, said element comprising at least one blade with a longitudinal axis comprising holes and/or recesses and/or projections, the two magnetic field generation means each defining an airgap forming two chambers full of magneto-rheological fluid, said airgaps being provided with a single entrance at one longitudinal end, the two magnetic field generation means being arranged at a distance from each other and such that the entrances to the airgaps are facing each other and that a longitudinal end of the blade fits into each of the airgaps, the blade moving along its axis.