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| Number | Title | Issue Date |
| 8146513 | Device and control procedure for recovery of kinetic energy in railway systems The railway system has a DC voltage catenary (20) connected to a rectifier bridge block (40) that is in turn connected to a transformer (30) joined to a three-phase AC grid (10). The device (50) has a first DC/DC voltage raising bl... | 04/03/2012 |
| 7362014 | Method and arrangement for operating a magnetically levitated vehicle The invention relates to a method and an arrangement for operating a magnetically levitated vehicle by means of an arrangement having at least one long-stator linear motor. The linear motors are sub-divided longitudinally of a track into individual motor regions (A | 04/22/2008 |
| 7312547 | Alternator with replaceable resistor, and method of changing the maximum output current of an alternator An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and co... | 12/25/2007 |
| 7220222 | Cart for die transportation There is provided a cart for transporting dies, molds, and similar objects. The cart includes a lift mechanism for raising and lowering a support surface to the height of the surface onto which or from which the die will be moved. The support surface includes a tran... | 05/22/2007 |
| 7199493 | Alignment stage apparatus An alignment stage apparatus includes a base structure and a movable stage which can move along a surface of the base structure so as not to be in contact with the base structure. The apparatus includes a plurality of power transmission coils buried under the surfac... | 04/03/2007 |
| 7084534 | Alignment stage apparatus An alignment stage apparatus including a base structure and a movable stage, which can move along a surface of the base structure so as not to be in contact with the base structure. The apparatus includes a plurality of power transmission coils buried under the surf... | 08/01/2006 |
| 6854398 | Method and apparatus for transferring mechanical energy onboard of a train of carriages of a sorting machine A mechanism for transferring mechanical energy onboard of a train of carriages of a sorting machine includes a friction wheel fitted onto a carriage. The wheel is rotated by friction caused by the engagement of the wheel against a track on which the carriage travels... | 02/15/2005 |
| 6557476 | System for supplying power to electrically propelled vehicles A power supply system for an electrically propelled vehicle equipped with electric traction motors and including an autonomous power supply system which can be recharged on board the vehicle for supplying power to the electric traction motors. At least on... | 05/06/2003 |
| 5961069 | Catapult exit shock absorber The invention relates to a temporary towing device intended to impart a very high acceleration to a mobile mass (A, TAV, CF). It comprises a guidance device (G), a carriage (C) mounted so that it can slide with respect to this guidance device (G), a motiv... | 10/05/1999 |
| 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 |
| 5517923 | Cable drawn vehicle having an on-board motor A passenger transport installation making use of a continuously moving high speed traction cable for hauling vehicles, equipped with a detachable grip, along a high speed track zone. Each vehicle comprises an on-board electric motor for driving the vehicl... | 05/21/1996 |
| 4966080 | Free transfer machine with independent motorized carriages The present invention relates to a free transfer machine equipped with independent motorized carriages. Each carriage comprises a variable speed motor, a rechargeable battery connected to contact blocks, and an individual travelling control system compris... | 10/30/1990 |
| 4941407 | Automated guided vehicle system An automated guided vehicle system wherein a vehicle has an on-board motive power source utilized for driving the vehicle over untracked portions of its path of movement between work stations on an assembly line, the vehicle being guided over these path p... | 07/17/1990 |
| 4926753 | Flexible material transport system A computer controlled transport system for carrying materials, such as semiconductors, to various work stations at spaced apart locations within a common facility. The system comprises a routing controller, a monorail track extending past the work station... | 05/22/1990 |
| 4817533 | Transportation system of floated-carrier type A transportation system of a floated-carrier type according to the present invention has a guide rail cover extending in a longitudinal direction. The guide rail cover comprises a guide rail. A carrier is made to float, in a non-contact manner, from the g... | 04/04/1989 |
| 4728104 | Toy slot racing vehicle sets A toy slot racing vehicle set including a track with one or more slots for electrically-driven toy vehicles guided by a downward projection extending into a slot, the vehicle picking up electrical power from a pair of conductors inset into the track and e... | 03/01/1988 |
| 4680663 | Power supply installation for dc electric railroad Four sets of a first pair of diodes, a second pair of diodes and a GTO breaker are connected between the power rectifier, the power inverter and four electric car power supply lines arranged in parallel with each other and separated by two dead sections. ... | 07/14/1987 |
| 4160181 | Method for generating auxiliary electric energy on a vehicle To generate auxiliary electric energy on a suspension vehicle, a generator is driven by a magnet pole wheel, which is set in rotation by utilizing the eddy current effect upon movement relative to an electric conductor rail.... | 07/03/1979 |
| 4148260 | High speed transit system A high speed ground transportation system, is suspended in an underground vacuum tube by a frictionless magnetic suspension system and propelled by gravity. The tubes are suspended inside deep underground tunnels from anchor points near each adjacent stat... | 04/10/1979 |
| 4075948 | Rapid transit system A rapid transit system in which a vehicle, typically consisting of a train of detachably coupled cars, is suspended in a vacuum tunnel with at least two sloping reaches from a ferromagnetic monorail of high resistivity by magnetic attraction and propelled... | 02/28/1978 |
| 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 |
| 3940680 | A.C. - D.C. power converter for D.C. load A power converter which can operate with both a D.C. power source and an A.C. power source for supplying electric power to a D.C. load such as a D.C. motor. The power converter comprises thyristors, a diode, a reactor and a capacitor. A plurality of serie... | 02/24/1976 |
