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| Number | Title | Issue Date |
| 8166884 | Switch assembly for magnetic levitation railways A switch assembly for magnetic levitation railways includes a girder extending in a travel direction (x) and flexible transversely to it is provided with travel way or equipment parts. A rail and a rack are located transversely to the travel direction. A load-bearin... | 05/01/2012 |
| 7757609 | Track switching for a magnetically levitated transportation system and method A magnetically levitated transportation system employs permanent magnet rails along a guideway that interact with permanent magnets on a vehicle. The rails are optimized to reduce magnetic mass and cost of materials, while maximizing lift force. The vehicle is stabi... | 07/20/2010 |
| 7617779 | Linear brushless D.C. motor with stationary armature and field and with integratable magnetic suspension This disclosure describes an electromagnetic system for efficient propulsion, suspension, and guidance. The track is inexpensive totally passive steel. This linear form of the D.C. motor provides traction motor characteristics without physical contact, The moveable ... | 11/17/2009 |
| 7204192 | Apparatus, systems and methods for levitating and moving objects Apparatus, systems and methods for levitating and moving objects such as vehicles, doors and windows are shown and described herein. The embodiments incorporate a track with lower rails having lower permanent magnets and the object with upper rails having upper perm... | 04/17/2007 |
| 7084538 | Bearing assembly, stage device using same, and exposure apparatus using same A stage base includes a magnetic body and has a slider guide surface defined by a groove. A portion of the slider that opposes the guide surface is provided with an air pad, whereby a hydrostatic bearing is formed. The slider is further provided with a pressurizing ... | 08/01/2006 |
| 6918469 | Curvilinear eddy current braking apparatus Eddy current braking apparatus includes an array of spaced apart permanent magnets and a plurality of flux steering magnets may be disposed in gaps between the spaced apart permanent magnets. The flux steering magnets are orientated in a manner to provide a steering... | 07/19/2005 |
| 6374745 | Line-changing device for tracks of a magnetic levitation train The invention relates to a line-changing device for the tracks (1, 2) of a magnetic levitation train. The tracks (1, 2) are formed by track supports arranged one after the other and the lines are changed by means of a rail joint between the tracks (1, 2).... | 04/23/2002 |
| 6357358 | Magnetic levitation transport system A transport system has a pair of levitating rails, each of the levitating rails has a core with a plurality of coils extending circumferentially around each of the cores. The coils are perpendicular to the lengths of the levitating rails. Each of the levi... | 03/19/2002 |
| 6354225 | Line-changing device for tracks of a magnetic levitation train A track-alternating arrangement for magnetic-levitation roadways, in which one of a series of mutually aligned bearers in each roadway establishes a first junction to join the roadways together. The bearer is inflectable to form the first junction. Each b... | 03/12/2002 |
| 6101952 | Vehicle guidance and switching via magnetic forces A system for guidance and/or switching of a vehicle or other object comprises a guideway, a guide plate that moves along the guideway, and a magnetic field source that induces a magnetic force between the guide plate and at least a portion of the guideway... | 08/15/2000 |
| 5904101 | Auxiliary propulsion for magnetically levitated vehicle A transportation system for levitated propulsion of a vehicle relative to a guideway having first sections for linear vehicle travel and second sections for turning movements of the vehicle is disclosed. The system includes AC-excited magnets for low-spee... | 05/18/1999 |
| 5842421 | Power and free conveyor system utilizing power track and dog elevation to prevent jamming conditions at transfers and switches A power and free conveyor system is provided which utilizes a difference in height between the wipe in power trolley and the wipe out power trolley, with or without a camming down of a retractable wide dog of the free trolley, to allow the wipe in power c... | 12/01/1998 |
| 5655458 | Electromagnetic induction suspension and horizontal switching system for a vehicle on a planar guideway The electromagnetic induction suspension and horizontal switching system for a vehicle on a substantially planar guideway provides vertical lift and stability and lateral stability for a vehicle. The system provides inherent vertical lift, as well as vert... | 08/12/1997 |
| 5542356 | Track-guided transport vehicle A track-guided transport vehicle system for transporting high loads along a travel path contains for the drive a synchronous linear drive with a long stator along the travel path and an exciter winding on the vehicle. The long stator generates a travellin... | 08/06/1996 |
| 5517924 | Double row loop-coil configuration for high-speed electrodynamic maglev suspension, guidance, propulsion and guideway directional switching A stabilization and propulsion system comprising a series of loop-coils arranged in parallel rows wherein two rows combine to form one of two magnetic rails. Levitation and lateral stability are provided when the induced field in the magnetic rails intera... | 05/21/1996 |
| 5161758 | Connecting system for trolley rails for transport vehicle A connecting system for trolley rails at a shunt where tracks for a transport vehicle such as a magnetic levitation type linear motor car are turned off. A first trolley rail is supported on a stationary track girder and a second troley rail is supported ... | 11/10/1992 |
| 5156093 | Transportation system of floated-carrier type In a transportation system of a floated-carrier type, a carrier is suspended from a guide rail, in a non-contact manner, and is proelled along the guide rail. The transportation system includes a plurality of track units, each having the ferromagnetic gui... | 10/20/1992 |
| 4934279 | Transportation system of a floated-carrier type In a transportation system of a floated-carrier type, a carrier is suspended from a guide rail, in a non-contact manner, and is propelled along the guide rail. The transportation system includes a plurality of track units, each having the ferromagnetic gu... | 06/19/1990 |
| 4882999 | Transportation system of a floated-carrier type In a transportation system of a floated-carrier type, a carrier is suspended from a guide rail, in a non-contact manner, and is propelled along the guide rail. The transportation system includes a plurality of track units, each having the ferromagnetic gu... | 11/28/1989 |
| 4732087 | Transportation system of a floated-carrier type A transportation system of a floated-carrier type, according to the present invention, comprises a guide rail composed of main lines and branch lines, intersecting one another, a coupling section connecting the main and branch lines, and a carrier for car... | 03/22/1988 |
| 4072110 | Electromagnetic suspension assembly An electromagnetic suspension system for a vehicle has an electromagnet with an upright portion having a lift magnetizing winding and outwardly-extending arms at the top and bottom of this upright portion. Pole pieces on the four arms co-operate with reac... | 02/07/1978 |
| 3994236 | Switch for magnetic suspension railroad In a magnetic suspension railroad where a suspension vehicle is guided by magnetic forces between a magnet on the vehicle and magnetic fields generated in track coils comprising opposing coil halves, switching contacts are arranged in the coils such that ... | 11/30/1976 |
| 3968753 | Circuit arrangement for magnetic suspension vehicle systems An electromagnetic suspension vehicle system comprising a track having a pair of main armature rails on opposite sides thereof, a switch portion in which at least one of said main armature rails is interrupted, and a pair of auxiliary armature rails at le... | 07/13/1976 |
| 3964398 | Magnetic-suspension vehicle system having switch tracks A magnetic-suspension vehicle system in which a vehicle is displaceable along a track provided with armature rails which co-operate with electromagnets carried by the vehicle to suspend the latter from the track. Switch locations are provided along the tr... | 06/22/1976 |
| 3954064 | Rapid transit system A rapid transit system in which a vehicle, typically comprising a train of detachably coupled cars, is suspended in an underground vacuum tunnel by permanent magnetic rails of high coercivity and propelled by gravity. For closely spaced stations, such as ... | 05/04/1976 |
| 3931767 | Magnetic suspension railway In the magnetic suspension railway disclosed, electrically-controlled carrier magnets, located on opposite sides under a railway car and coupled to two stationary magnetic carrier rails levitate the car. Electrically controlled, guide magnets, fixed under... | 01/13/1976 |