Method and apparatus for combined levitation and guidance along guideway curvature in electrodynamic magnetically levitated high speed vehicle
Patent 5628252 Issued on May 13, 1997. Estimated Expiration Date: 
February 2, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 2, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3913493 Systems for magnetically supporting a vehicle Levitation and guide mechanism for curved track in inductive repulsion type vehicle magnetic levitation and guide system Patent #: 4299173 InventorAssigneeApplicationNo. 382427 filed on 02/02/1995US Classes:104/284, Including means to sense or control car position or attitude with respect to guideway104/281MAGNETICALLY SUSPENDED CARExaminersPrimary: Le, Mark T.Attorney, Agent or FirmInternational ClassB60L 013/00AbstractAn apparatus for guiding and levitating a vehicle. The apparatus comprises a guideway mechanism upon which the vehicle travels. The apparatus is also comprised of a mechanism for actively controlling differential and lateral guidance or differential and vertical levitation strength of the vehicle with respect to the guideway mechanism. The controlling mechanism is electrodynamically reactive with the guideway mechanism. A method for guiding and levitating a vehicle. The method comprises the steps of guiding a vehicle along the guideway with electrodynamic guidance coils. Then, there is the step of actively controlling alternating current through the guidance coils to correspond with guideway curvature so the vehicle is maintained in a stable position relative to the guideway as it moves around a curve in the guideway and experiences roll compensation.Field of SearchMAGNETICALLY SUSPENDED CARIncluding means to sense or control car position or attitude with respect to guideway Construction or composition of suspension elements Including means to control gap Linear motor Construction or composition of motor elements Propulsion means employed to suspend car | |
