Eddy current brake for vehicles, especially for bikes has magnetically conducting ring assembled from number of filaments arranged rigidly or variably at site of useful magnetic field

摘要

An eddy current brake for vehicles, especially for bikes, for an engagement with a rotating, electrically conducting body (2), moving with a wheel of the vehicle, has a magnetically conducting ring (4) that has a first gap (6) and a second gap (8). A permanent magnet (10) is located so as to be movable in and out in the first gap, Generation of a useful magnetic field in the second gap is according to the overlap by the first gap and devices for the in and out movement of the permanent magnet. The rotating, electrically conducting body runs through the useful magnetic field arranged in the second gap. The magnetically conducting ring is assembled from a number of filaments which are arranged rigidly or variably at the site of the useful magnetic field. The electrically conducting body is the rim of the wheel.