B - Operations – Transporting – 60 – G
Patent
B - Operations, Transporting
60
G
267/10
B60G 11/32 (2006.01) B60G 17/00 (2006.01) B60G 17/015 (2006.01) F16F 3/00 (2006.01) F16F 6/00 (2006.01)
Patent
CA 1220798
ABSTRACT OF THE DISCLOSURE A spring-system, used for the suspension of motor-vehicles, comprises a mechanical, pneumatic, or hydro-pneumatic suspension-spring inserted between the sprung and the unsprung masses of the motor-vehicle. The suspension-spring is linear and possesses relatively high positive rigidity with only short spring-travel. Arranged in parallel with the suspension-spring is a correcting spring having negative rigidity and zero- crossover in the region of negative rigidity. The cor- recting spring comprises two parts each equipped with permanent magnets, one of these parts being connected to the sprung mass and the other to the unsprung mass. Each of the parts of the correcting spring comprises a plurality of permanent magnets arranged one behind the other in the direction of movement, with pieces of soft iron arranged therebetween, like poles of adjacent permanent magnets adjoining the soft-iron intermediate pieces, and the magnetizing axes of the permanent magnets being arranged in parallel with the direction of movement. The arrangement is such that the magnetic flux, deflected by the soft-iron intermediate pieces perpendicularly to the direction of movement, produces, in both parts, like poles facing each other and re- pelling each other in unstable equilibrium at the same height in relation to the direction of movement.
451570
Deutsche Forschungs-Und Versuchsanstalt Fur Luft- Und Raumfahrt
Goudreau Gage Dubuc
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