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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8004218 | Drive device for vehicle An object of the present invention is to suppress reverse of a vehicle on an up-hill road against an intention of a driver. A drive device for a vehicle according to the present invention includes: an estimator for estimating whether or not reverse of the vehicle oc... | 08/23/2011 |
| 7936139 | Method and apparatus to facilitate controlling the connection of a mains to a movable barrier operator power supply A movable barrier operator having control circuitry (206) to selectively cause movement of a corresponding movable barrier (203) and a power supply that is operably coupled to a mains (201) and is operably coupled to provide electrical motive po... | 05/03/2011 |
| 7893636 | Mobile machine with one or more electric propulsion motors A mobile machine may include one or more generator units, a plurality of electric propulsion motors, and a power-transfer system operable to transfer electricity from one or more of the generator units to one or more of the electric propulsion motors. The mobile mac... | 02/22/2011 |
| 7859201 | Charge control apparatus, electrically powered vehicle and electric storage charge control method When it is determined that an electric storage is to be charged from a commercial power source, a controller sets a control target of a voltage of a power line to be controlled by a boost converter, based on a voltage of the commercial power source. Specifically, th... | 12/28/2010 |
| 7781992 | Power supply device for an electric motor method for operation of an electric motor A power supply device for an electric motor, operated either in a normal operating mode and/or an emergency operating mode, in particular, for an actuator in a motor vehicle and a method for operation of an electric motor in a normal operating mode and/or an emergen... | 08/24/2010 |
| 7764029 | Activation current for DC motor having brake and emergency operation supply unit An activation circuit and a method for operating an activation circuit for a DC motor having an electrically actuated stopping brake, in particular for adjusting a rotor blade of a wind or water power facility. The activation circuit includes an emergency operation ... | 07/27/2010 |
| 7733038 | Switching device for linking various electrical voltage levels in a motor vehicle Switching device for linking various electrical voltage levels in a motor vehicle, in which a drive voltage level has an electric drive machine which may be actuated by a power converter, and a drive energy accumulator which is associated with an intermediate circui... | 06/08/2010 |
| 7701154 | Electric drive system An electric drive system includes a multi-phase electric machine, multiple electrical power output stages, and devices for controlling and/or regulating the electric machine, which are connected to the electrical power output stages. At least two control units are p... | 04/20/2010 |
| 7663328 | Multi-phase, multi-frequency controller Reference signals are combined with a chop frequency signal in a pulse width modulator (PWM) to provide plural inputs to a multi-phase H-bridge amplifier. Also provided to the bridge amplifier is a high voltage DC input which is converted by the pulsed inputs to the... | 02/16/2010 |
| 7579792 | Hybrid motor boost system and methods An electrical system for a vehicle includes a power source providing electrical power to a first and a second electrical motor. Each motor has two or more windings, and each winding has a first end and a second end. A boost link such as a battery or capacitor is con... | 08/25/2009 |
| 7528559 | Synchronous motor field loss recovery A synchronous motor system in which recovery due to a failed field excitation supply is achieved automatically without resort to, or by minimizing the length of time in asynchronous operation of the motor. A sensing system is deployed to provide a sensed signal that... | 05/05/2009 |
| 7429837 | Apparatus and method of driving a light powered system A motor has a controller that controls the amount of power drawn by motor drive circuitry as a function of the light conversion panels in the system. To that end, the motor also has an input (operatively coupled with the controller) that is couplable with a set of l... | 09/30/2008 |
| 7422089 | Drive unit for an elevator An elevator drive unit including a traction sheave supported by a shaft rotatably supported by a pair of bearings. Mounted on opposite free ends of the shaft are rotors of a pair of electric motors. Cage-housings on a pair of spaced bearing end-plates retain the sta... | 09/09/2008 |
| 7317290 | Tandem battery powered inverter and method of implementing the same AC inverters that are electrically connected to a direct current source to convert the direct current source such that the transistor power module of an inverter can power a plurality of AC motors wherein the motors can be located remote from the inverters or within... | 01/08/2008 |
| 7309929 | Locomotive engine start method A system and method of starting or restarting an engine on a locomotive having at least one of another engine, a fuel cell system and an energy storage system. The method is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel e... | 12/18/2007 |
| 7259530 | Power output apparatus, motor driving method and computer-readable recording medium having program recorded thereon for allowing computer to execute motor drive control A control CPU generates, in response to a signal STON from a start key, a signal SE at H level and outputs the generated signal to a relay to render system relays ON. Accordingly, a DC power supply is connected between respective neutral points of three-phase coils.... | 08/21/2007 |
| 7208894 | Electric vehicle motor and control system with high efficiency regeneration The present invention is an electric vehicle power system that uses multiple permanent magnet motor/generators connected in series or parallel and multiple battery step switching. Motor, torque and speed are controlled by steps in series connection and then in paral... | 04/24/2007 |
| 7199535 | Doubled-ended inverter drive system topology for a hybrid vehicle A double-ended inverter system for a vehicle having a load, a first energy source, and a first inverter system coupled to the first energy source and adapted to drive the load. The double-ended inverter system further having a secondary energy source, a second capac... | 04/03/2007 |
| 7170245 | Motor power supply control apparatus A motor power supply including a DC supply part having a pair of supply terminals; an inverter having a pair of connection terminals respectively connected to the supply terminals thereof to receive DC power therefrom and to supply AC power to a motor, a breaking re... | 01/30/2007 |
| 7164253 | Motor drive control apparatus On end of a reactor (L1) is connected to a positive electrode of a battery (B1) and the other end is connected to a power line via a transistor (Q1) and to the ground via a transistor (Q2). By PWM control of the transistors (Q1, Q | 01/16/2007 |
| 7154237 | Unified power control method of double-ended inverter drive systems for hybrid vehicles A method of providing a unified power control of a motor including providing a first inverter system, a second inverter system, and a motor coupled therebetween; coupling the first inverter system coupled to a first energy source; coupling the second inverter system... | 12/26/2006 |
| 7057360 | Motor assembly for folding/unfolding foldable screen A motor assembly for driving a foldable screen includes an inner tube, a motor device mounted in the inner tube and including a DC motor, an outer tube mounted around the inner tube, a control device, and a connecting device mounted to an end of the inner tube. A sc... | 06/06/2006 |
| 6987368 | Motor controller A motor controller includes a position sensing device having a position sensor that senses a magnetic pole of a motor, a driver for driving the motor, and a wiring section that feeds a power supply voltage from the driver to the position sensing device. The position... | 01/17/2006 |
| 6841953 | Control for two or more dc motors, in particular actuators for adjustment of furniture A control for DC motors, in particular actuators driven by a DC motor for adjustment of furniture, such as tables, beds, chairs, etc. includes a pseudomotor which is capable of supplying a voltage that corresponds to the motor speed on the basis of the current and v... | 01/11/2005 |
| 6600282 | Circuit and method for preventing erroneous opening and closing in an automatically/manually foldable portable radio phone Disclosed is a circuit and method for preventing erroneous opening and closing caused particularly, by use of a DC motor in an automatically/manually foldable portable radio terminal having a main body and a sub-body rotatable with respect to the main bod... | 07/29/2003 |
| 6583591 | Circuit for operating a plurality of bi-directional motors The present invention provides a circuit for operating a plurality of bi-directional motors, each motor having a pair of terminals disposed across the motor. The circuit includes a common half bridge for providing one of power and ground to one of the pai... | 06/24/2003 |
| 6577095 | Brushless alternating current electric servo motor drive AC servo motor drives which allow several AC drives to be connected in parallel and allow for the connection and reconnection of AC servo motors to be accomplished primarily through a central processing unit (CPU). Thus, multiple AC servo motor drives may... | 06/10/2003 |
| 6538408 | Controls to incorporate three-phase motors into vehicles A plurality of motors for use in driving accessories on a vehicle, are each powered by three-phase current. A single controller controls the supply three-phase current to the plurality of motors. In another aspect of the invention, pseudothree-phase curre... | 03/25/2003 |
| 6429554 | Electric motor An electric motor having a stationary annular stator with wound stator poles and a rotatably mounted rotor having annularly distributed permanent magnets or electromagnets of alternate polarity, wherein the stator is composed of a plurality of separate st... | 08/06/2002 |
| 6297610 | Control system for controlling plural electrical devices A control system for controlling a plurality of electrical devices (6) the system including a central controller (2) for controlling functions of the devices, a network (4) coupled between the central controller (2) and the devices, the network including ... | 10/02/2001 |
| 6085364 | Rechargeable battery system for a marine vessel toilet A battery system for an electric motor-powered marine vessel toilet is disclosed. The battery system comprises a mounting cradle and a battery having power contacts, the battery being detachably mounted to the mounting cradle. The mounting cradle includes... | 07/11/2000 |
| 5953225 | Power flow control and power recovery with rotary transformers An interconnection system (100) for transferring power between a first grid (22) operating at a first electrical frequency and a second grid (24) operating at a second electrical frequency includes a rotary transformer (102) and a power recovery system (1... | 09/14/1999 |
| 5818194 | Direct replacement variable speed blower motor A blower motor unit having a variable speed motor and that is suitable for direct, drop-in replacement in a residential HVAC (heating, ventilation, and air conditioning) system that employs a PSC motor. The blower motor unit is provided with a neutral inp... | 10/06/1998 |
| 5619111 | Motor control system for controlling the operations of a plurality of servo motors Functional element units are fixedly mounted on a circuit board, and unit-side connectors are electrically wired to base-board-side connectors. A predetermined wiring circuit has been formed on the circuit board, with the result that the wiring work is si... | 04/08/1997 |
| 5389749 | Elevator system An elevator system which is provided with power converters, electric motors supplied with power from the power converters, and a torque distributing section having functions for determining allocation of output power from the power converters on the basis... | 02/14/1995 |
| 5371448 | Motor control circuit with continuous phase control A circuit arrangement for the triggering of motors includes a winding arrangement, the connections of which can be connected to electricity sources by means of a commutation facility. Several or several groups of electricity sources can be connected to th... | 12/06/1994 |
| 5233276 | Motor control circuit A speed control circuit for triggering a motor, of the kind having a winding arrangement with multiple taps, comprises a plurality of electrical sources and a switching network coupled between the plurality of electrical sources and the taps of the windin... | 08/03/1993 |
| 5200674 | Electric power supply device for mobile vehicular apparatus with aerial cabin having force-feedback manipulator An electric power supply device on a mobile vehicular apparatus includes an AC generator, a rectifier connected to the AC generator, for rectifying an electric current generated by the AC generator, a regulator connected to the rectifier, for maintaining ... | 04/06/1993 |
| 5099186 | Integrated motor drive and recharge system A drive and recharge system is disclosed that includes a bidirectional dc power source, two voltage-fed inverters, two induction motors, and a control unit. In the drive mode, power is bidirectionally connected between the dc power source and the motors. ... | 03/24/1992 |
| 5013981 | Control mechanism for a drive motor or the like Control arrangement for an electric motor having a control arrangement which, in accordance with at least one nominal value fed thereto, controls at least one power control element to be connected to an electrical network and the motor, including data tra... | 05/07/1991 |
