Class 318/106 - Diverse sources

Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which one or more of the sources are substantially
No. of patents: 28
Last issue date: 11/30/2010

Number	Title	Issue Date
7843152	Motor control apparatus A motor control apparatus comprises a control processing unit (3) creating a motor drive command, power supply processing units (2A to 2D) supplying a driving voltage to a motor, and a signal relay processing unit (4) supplying the motor ...	11/30/2010
7573213	Motor driving method and device thereof The invention provides a motor driving device including a converter receiving and converting a non-electrical power source, such as light, heat, mechanical or chemical energy, to a first electrical power, and a selector electrically connected between the converter a...	08/11/2009
7331426	Elevator system using a supercapacitor as a backup power source An elevator system uses a supercapacitor to store electric energy. Furthermore, the supercapacitor can be used as a source of reserve power in emergency situations, such as power failures. The supercapacitor is connected together with three switching branches to a r...	02/19/2008
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
7183728	Motor drive system and process A motor drive system includes a multi-output dc power source providing three or more output potentials, and a switching circuit including switching devices connected, respectively, with the output potentials of the multi-output power source. A controller determines ...	02/27/2007
7113887	Method and apparatus for sizing a power processing device serving multiple drive units A method for determining supply requirements for a motor control system includes determining a performance profile for each of a plurality of drive units. A power supply parameter for each drive unit is generated based on the performance profiles. The power supply p...	09/26/2006
7088061	Drive system for a group of machines A drive system powering a group of machines each fitted with a rectifying unit, wherein the inputs of the control devices of the machines' drive motors are interconnected by an electrical bus which implements a power exchange. The system enables swapping current fro...	08/08/2006
7084604	Speed sensorless control of an induction machine using a PWM inverter with output LC filter A method of controlling of an induction machine using an inverter is disclosed with output LC filter. The method includes determining an inverter output current vector (iA), determining an inverter output voltage vector (uA), and ...	08/01/2006
7071643	Dual speed quad brush two pole motor system A motor system includes four brushes electrically connected to a rotor. A stator includes two magnetic poles. A circuit selectively rotates the rotor at a first speed by applying a first voltage to a first of the brushes and a second voltage to a second of the brush...	07/04/2006
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
7019483	Devices for position-controlled stopping of rotating components with position-controlled drive mechanisms in the case of voltage loss The position-controlled stopping of rotating components of shaftless drive mechanisms, in the case of a loss of voltage, is accomplished by the provision of an external connectable network. That external connectable network supplies the process power which is missin...	03/28/2006
7006761	Control device for DC motors In order to design as inexpensively as possible a control device for DC motors which are provided with a commutator for feeding their motor windings which has at least four sliding contacts, this device comprising a modulation stage which generates at least one cont...	02/28/2006
6630804	Driving apparatus, power output apparatus, and control method A direct-current power supply (40) is connected between the neutral points of two three-phase coils (24, 26) of a 2Y motor (22) constituted of the windings of the two three-phase coils (24, 26), which are connected in Y-connection and wound on a same stat...	10/07/2003
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
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
6548977	Motor tracking control system An electronic circuit and software control methodology tracks motor position in a motor drive system. High power consumption position transducers, such as inductive sensors or optical encoders, can be controlled in a variable active duty cycle mode to red...	04/15/2003
6404151	Electric vehicle drive An electric vehicle drive has an electric machine which can be alternatively driven as a motor or as a generator and has a d.c. connection to which a supply voltage can be applied, from a first energy source and/or a second energy source. The first energy...	06/11/2002
5872433	Image pickup apparatus including interruption means for causing recordation of an electrical image signal in response to operation of a second trigger before completion of a predetermined step by a first trigger A recording or reproducing apparatus has a motor for use in relative displacement of a recording medium and a head at high speed and a booster circuit for supplying power to the internal circuit. The apparatus also includes control means which control act...	02/16/1999
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
5764007	Micro-processor based motor control integrated circuit including a boost regulated DC-to-DC converter A single chip integrated circuit includes a boost regulated DC-to-DC converter and gate drive circuits integrated on the same die with a micro-processor, along with high density digital logic functions, analog functions, etc. The gate drive circuits are u...	06/09/1998
5670851	Power conversion control system for plural electric motors and auxiliary circuit An electric vehicle control system for controlling a plurality of main motors for driving an electric vehicle and an auxiliary circuit. The control system includes a first circuit breaker, and a first main power converter for receiving a DC power for conv...	09/23/1997
5428274	Drive control apparatus of series hybrid vehicle A drive control apparatus for a series hybrid vehicle. The series hybrid vehicle includes an engine, a generator, a battery and a motor. The generator is activated by electricity from the engine so as to drive the motor. The battery is charged by the elec...	06/27/1995
5304900	Spinning frame A flyer frame has a first AC motor for obtaining a general rotational movement of various parts of the frame and a second AC motor for obtaining only a variable component of the rotational movement of the bobbin. An inverter is provided for operating the ...	04/19/1994
5204591	Device for controlling at least one electronic servomotor with high power from a low-voltage network, in particular for motorizing a turret on a tank Device for controlling at least one electric servomotor with high power from a low-voltage network, in particular for motorizing a turret on a tank, characterized in that it comprises, in combination: a voltage booster converter (C), a reversible chopping ampl...	04/20/1993
5113123	Ring spinning machine A ring spinning machine with various driving systems 10, 12 for driving spindles, driving arrangements, ring rails and the like is regulated in the case of power failure down to a zero revolution range while maintaining preselected revolution relationship...	05/12/1992
4879498	DC motor drive system for reducing start-up current A system for driving a constant current drive type DC motor a which enables the supply of a low power to switching elements in a constant current drive circuit therein during, and in particular, at start-up of the motor. The DC motor drive system includes...	11/07/1989
4500819	Auxiliary electric power supply for electric work vehicles An electric work vehicle with a battery powered traction motor and pump motor is provided with an auxiliary power supply for a load circuit requiring voltage lower than that of the battery. The pump motor is provided with an auxiliary brush at a location ...	02/19/1985
4092571	Power matching system for a train of individually powered transit vehicles A power match system for a train of individually powered traction vehicles in which two distinct types of power control systems are employed. The system includes a programmed power matched circuit which has programmed therein the volt-ampere characteristi...	05/30/1978

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Class 318/106 - Diverse sources