Patents
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
09/2007
09/13/2007DE202007001648U1 Vorrichtung zur Spannungsfreischaltung von Photovoltaikanlagen zur Ermöglichung des Einsatzes von Löschmitteln und zur sicheren Freischaltung von Netzen Apparatus for voltage activation of photovoltaic systems to enable the implementation of extinguishing agents and for reliable activation of networks
09/13/2007DE102006011139A1 Multi-phase e.g. three-phase, electrically commutating electric motor operating method for motor vehicle, involves conducting short-circuit current via error free electronic switches of commutating arrangement by closed switch
09/13/2007DE102006010386A1 Abnormal condition processing method for backup-type power supply system involves determining loading value of each power supply module, executing process for abnormal conditions when duty loading values exceed overload allowable ranges
09/12/2007EP1833135A1 Switchgear with a plurality of outgoing feeders and method for interrupting an overcurrent.
09/12/2007EP1833134A2 Control device for a closure member of a vehicle
09/12/2007EP1831982A1 Electric power flow control
09/12/2007CN200947542Y Overcharging, overdischarging protection voltage detection device for multi-string large lithium ion battery series
09/12/2007CN200947541Y Instant fault-proof system for electrical equipment
09/12/2007CN200947540Y Controllable gap for protecting transformer neutral point
09/12/2007CN101036260A Cordless power tool with a protected weak link element
09/12/2007CN101034852A System and method for electrification reset and under-voltage locking scheme
09/12/2007CN101034817A Disposable 9V lithium battery security device
09/12/2007CN101034816A Protection device for non-common ground buses
09/12/2007CN101034805A Ic power supply protection circuit
09/12/2007CN101034802A Impedance protection method of serial compensation capacitance direction based on the voltage compensation
09/12/2007CN101034801A Online testing method of electrical arc light protection unit
09/12/2007CN101034800A Protection control system for isolated island effect prevention of parallel network reverse power generation device and its method
09/12/2007CN101034798A Power convertor output protection circuit
09/11/2007US7268988 Apparatus and method for detecting rotation
09/11/2007US7268443 Wind turbine generator system
09/11/2007US7268352 Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument
09/06/2007US20070206395 Class E Amplifier With Inductive Clamp
09/06/2007DE102007008928A1 Vorrichtung und Verfahren zur Ansteuerung einer Inverterschaltung Apparatus and method for controlling an inverter circuit
09/06/2007DE102006009936A1 Anordnung zur Stromverteilung sowie deren Kontaktierung und Absicherung der abgehenden Leitungen Arrangement for power distribution as well as their contact and protect the outgoing lines
09/05/2007EP1828994A1 Method and device for automatic systems designed to operate movable barriers
09/05/2007EP1827927A1 Dual mode motor controller for a vehicle window wiper system
09/05/2007CN200944570Y Motor control equipment
09/05/2007CN200944534Y Generator power charging/discharging control and protection device
09/05/2007CN200944533Y DC uninterrupted power source
09/05/2007CN200944527Y Power distribution microcomputer protection device
09/05/2007CN200944526Y Charging/discharging protection module of lithium power battery
09/05/2007CN200944525Y Electromagnetic starting protector of air compressor
09/05/2007CN101031449A Power output apparatus and vehicle having the same
09/05/2007CN101030738A Direct current device and motor control device having same
09/05/2007CN101030701A Cascade active voltage-stabilizing controller of power switch
09/05/2007CN101029915A Method for measuring winding temperature and overheat protecting AC inductive motor
09/05/2007CN100336296C Relay circuit for bi-directional DC motor
09/05/2007CN100336275C Transformer differential protection method based on virtual magnetic flux-differential current characteristics
09/05/2007CN100336150C Operation plate 220 V power source trip protection device
09/05/2007CN100335912C Small Current earthing line selecting method based on model parametric recognition
09/04/2007US7265957 Restoring electrical load to distribution feeder circuits
09/04/2007US7265954 Method for estimating DC motor coil temperature, DC motor control method and their devices
09/04/2007US7265518 Method of automatically cutting off power in case of low battery voltage in mobile electronic unit
09/04/2007US7265516 Linear electric motor controller and system for providing linear control
09/04/2007US7265457 Power control apparatus
09/04/2007US7264482 Anisotropic conductive sheet
08/2007
08/30/2007WO2007097181A1 Battery pack, and battery protecting method
08/30/2007WO2007097012A1 Power supply apparatus and control method therefor
08/30/2007WO2007096831A1 Battery low-voltage cutoff circuit
08/30/2007US20070201252 Control circuit having two-level under voltage lockout threshold to improve the protection of power supply
08/30/2007US20070200534 Vehicle generator
08/30/2007US20070200431 Dead battery preventing device for preventing engine start failure of vehicle having economy running function and dead battery prevention method
08/30/2007DE102007008731A1 Inverter for operating motor during installation, has counter for counting control signals for microcomputer from moment in which protection circuit begins to operate, and converter circuit outputting number of clock signals
08/30/2007DE102006008644A1 Elektronisches Bauelement mit Überlastungsschutz Electronic component with overload protection
08/30/2007DE102006008292A1 Überlastschutz für steuerbare Stromverbraucher Overload protection for controllable current consumer
08/29/2007EP1826891A2 Control drive circuit for electric power tool
08/29/2007EP1826883A2 Electric motor controller
08/29/2007EP1826352A1 Closing and opening system of a vehicle and method for controlling a driving device of such closing and opening system
08/29/2007EP1825583A1 Master breaker device for back-up protection against electric shock in earthed user units with mains voltage dependent residual current triggering and high selectivity
08/29/2007EP1256154B1 Method of electronically monitoring and controlling a process for the adjustment of mobile parts
08/29/2007EP1071982B1 Apparatus and method for controlling an electric assist steering system
08/29/2007CN200941594Y Stageless governing controller of autocar air conditioning fan
08/29/2007CN200941555Y Combined power source surge protector
08/29/2007CN200941553Y Short-circuit protective circuit of dc. power source
08/29/2007CN200941552Y Three-phase motor protector
08/29/2007CN200941551Y Work protector of single-phase motor
08/29/2007CN200941550Y Motor protector
08/29/2007CN200941549Y Small motor protector
08/29/2007CN200941547Y Protector for stationery torque coupler
08/29/2007CN101026354A Brushless DC motor locking protection circuit
08/29/2007CN101026313A Multifunctional intelligent solar lamp controller
08/29/2007CN101026301A Method, apparatus and computer program product for injection current
08/29/2007CN101026298A Electric power tool
08/29/2007CN101026297A Lithium cell protecting device
08/29/2007CN101026295A Non-grounding neutral point system low-voltage leakage protection method and its equipment
08/29/2007CN101025046A Built-in insertion-type concrete vibrator for electric motor and its anormal operation protection method
08/28/2007US7262981 System and method for regulating resonant inverters
08/28/2007US7262979 Current source wave voltage inverter voltage-clamping and soft-switching techniques, and fuel cell system using the same
08/28/2007US7262589 Pulse width modulation power regulator and power supply system thereof
08/28/2007US7262585 Method and apparatus for bi-directional current limit in a dual-power source capable device
08/28/2007US7262531 Magnetic suspension bearing
08/28/2007US7262521 Variable AC voltage regulation control method and apparatus
08/28/2007US7262520 Robust power distribution systems and methods
08/23/2007WO2007093496A1 Method for limiting the excess force of a closing part which is actuated by an external force
08/23/2007WO2007093420A1 Seat control electronic system and method for a motor-driven motor vehicle adjusting device
08/23/2007WO2007093419A1 Jamming protection and method for controlling a motor-driven adjusting apparatus for an adjustring apparatus
08/23/2007WO2007093418A1 Jamming protection and method for controlling a motor-driven adjusting apparatus
08/23/2007WO2007056564A9 A tool for generating fault response tolerances for a switching device
08/23/2007US20070195567 Medium voltage inverter system
08/23/2007US20070195566 Over voltage clamp
08/23/2007US20070195486 Charge storage device
08/23/2007US20070194761 Charging control apparatus, charging control method
08/23/2007US20070194760 Generator control arrangement
08/23/2007US20070194624 System for the supply of electrical energy in a motor vehicle
08/23/2007CA2640602A1 Circuit arrangement for providing a dc operating voltage
08/22/2007EP1820961A1 Feed limiting device for limiting feedings to electrical components and control device
08/22/2007CN2938563Y Oil-immersed pressure reducer for motor
08/22/2007CN2938560Y Case structure of motor starting protector
08/22/2007CN2938522Y Overload protection circuit of power lithium ion battery
08/22/2007CN2938521Y Abnormal spark detection protector for brush DC motor