B - Operations – Transporting – 61 – B
Patent
B - Operations, Transporting
61
B
335/1
B61B 13/08 (2006.01) B60L 13/03 (2006.01) B60L 13/04 (2006.01) F16F 6/00 (2006.01)
Patent
CA 1102888
ABSTRACT OF THE DISCLOSURE A vehicle has a compartment joined to a carrier by springs. An attracting magnetic device has a first part (e.g. a ferromagnetic travelling field stator) mounted on a roadway, and a second part (e.g. spaced permanent magnets forming a synchronous linear motor in combination with the stator) mounted on the carrier. The two parts of the magnet device lie opposite one another to leave an air gap there- between and so to hold the vehicle in spaced relation to the roadway. An additional force device is mounted to act be- tween the vehicle and the roadway and supplements the force of the magnetic attraction to make up the holding force needed to maintain the vehicle in the desired position rela- tive to the roadway. Displacement means can displace the part of the magnetic device that is mounted on the vehicle to displace that part relative to the additional force de- vice to vary the width of the air gap and thereby vary the force of the magnetic attraction. And such displacement by the displacement means is caused by means responsive to variations in distance between the vehicle compartment and the carrier on compression or expansion of the springs.
299185
Magnet-Bahn Gmbh
Swabey Ogilvy Renault
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