Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
07/1991
07/03/1991CN2080257U Double control thyristor charger
07/03/1991CN2080256U Household rapid charger
07/03/1991CN2080255U 自动充电逆变器 Automatic charging inverter
07/02/1991US5029266 Controlled battery charging system
07/02/1991US5028860 Battery charge apparatus controlled by detecting charge current with constant charge voltage
07/02/1991US5028859 Multiple battery, multiple rate battery charger
07/02/1991US5028858 Cordless dual-battery electric tool
07/02/1991US5028806 Battery replacement system for battery-powered digital data handling devices
07/02/1991CA1285494C Paging system
06/1991
06/26/1991EP0433631A1 Charge exhaustion preventive system of storage battery
06/26/1991EP0433416A1 Device with a multiplicity of independent, identical oscillators operating synchronously
06/26/1991EP0433400A1 Light-energized electronics energy management system.
06/26/1991EP0433328A1 Electrical supply control system for a motor vehicle.
06/26/1991EP0433281A1 Voltage transformer for charging energy stores
06/25/1991US5027050 Multiple battery system
06/20/1991DE3939522A1 Controlled current converter for regenerative energy supply system - responds to received control signal to supply energy to or from network
06/19/1991EP0432690A2 Charging apparatus
06/19/1991EP0432640A2 Monitoring device for accumulators
06/19/1991EP0432639A2 Monitoring device for accumulators
06/19/1991CN1052398A Electrical energy storage system
06/19/1991CN1052357A Apparatus for reducing engine idling vibration
06/19/1991CA2025286A1 Voltage regulator and rectifier having over-temperature protection
06/18/1991US5025202 Solar cell power system with a solar array bus lockup cancelling mechanism
06/18/1991US5025136 Device for and method of applying voltage to a heating resistor in a motor vehicle in dependency on operating conditions of the vehicle
06/13/1991WO1991008613A1 Device for controlling change in idling
06/13/1991WO1991008612A1 Device for controlling change in idling
06/13/1991WO1991008605A1 Device for charging electrical energy storage means provided with means for controlling said charging
06/13/1991WO1991008604A1 Fast battery charging system and method
06/12/1991EP0430940A1 Generator installation.
06/12/1991CN2078946U Automatic cut-off charger
06/06/1991DE4038301A1 Suppressing motor vehicle bodywork vibration by alternator excitation - pulse width modulating field current supplied by proportional controller comparing measured and desired accelerations
06/06/1991CA2022802A1 Fast battery charging system and method
06/05/1991EP0430208A2 Charging control apparatus for vehicle generators
06/05/1991EP0430203A2 Vehicle AC generator control system
06/05/1991CN1012759B Device for indicating charge status of battery
06/04/1991US5021727 Electric power supply system for motor vehicle
06/04/1991US5021679 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency
06/04/1991US5020491 Method and apparatus for controlling power generation in internal combustion engines
05/1991
05/30/1991WO1991007801A1 Control unit for battery-powered device
05/29/1991CN1051793A Device for determing charge condition of battery
05/28/1991US5019803 Detector units
05/28/1991US5019767 Portable power supply
05/22/1991EP0428130A2 Battery charging system for motor-generator
05/22/1991EP0427777A1 Protective circuit for battery powered engine ignition system.
05/22/1991CN1051494A Shoes capable of generating electricity
05/21/1991US5017856 Battery charging system
05/21/1991CA1284355C Process for preventing electrical storage cell capacity loss
05/16/1991WO1991007001A1 Wristwatch pager with battery charger
05/16/1991WO1991007000A1 A method and a charger circuit for the charging of alkaline manganese dioxide-zinc rechargeable batteries
05/16/1991WO1991006430A1 Process for operating a recording device powered by at least one rechargeable accumulator
05/16/1991DE3937158A1 Kontrolleinrichtung fuer batteriegeraet Control means for batteriegeraet
05/15/1991EP0427568A1 Apparatus for reducing engine idling vibration
05/15/1991CN1051466A Uninterruptible electric power system using gas turbine as driven power
05/14/1991US5015918 Bicycle single-wire lighting system with steady-flashing-reflector rear warning device
05/14/1991US5015152 Battery monitoring and charging circuit for sump pumps
05/08/1991WO1991007002A1 Battery pack including electronic power saver
05/08/1991EP0426345A2 Generator system
05/08/1991EP0426109A2 Apparatus for controlling a power supply of an electric machine in a vehicle
05/08/1991CN2076714U Adsorbed dual-purpose apparatus for charging and lighting
05/08/1991CN1051275A Apparatus for providing electrical power supply for facsimile machine
05/07/1991US5013996 Voltage regulator for a generator
05/07/1991US5013994 Electrical system for automotive vehicle
05/07/1991US5013993 Thermally responsive battery charger
05/07/1991US5013992 Microprocessor controlled battery charger
05/07/1991US5013991 Multi-voltage alternator with integral bank switched bridge
05/02/1991WO1991006130A1 Portable power supplies
05/02/1991EP0425169A2 Electrical energy storage system
05/02/1991EP0425044A1 Device for charging a battery
05/02/1991EP0363356B1 Power supply for electronic devices, in particular for safety-related devices in motor vehicles
05/01/1991CN2076279U Power supply changeover/ni-cd cell charger
04/1991
04/30/1991US5012176 Apparatus and method for calorimetrically determining battery charge state
04/30/1991US5012122 Circuit to inhibit voltage and current returns to the electric power distribution line in an inverter-type power plant
04/28/1991CA2028388A1 Electrical energy storage system
04/24/1991EP0423918A2 Battery voltage discriminator circuit
04/24/1991CN2075827U Accumulator with charger
04/23/1991US5010565 Apparatus and method for adding cordless handset capability to an existing corded telephone
04/18/1991WO1991005395A1 Device for making the charging voltage of a vehicle power supply system symmetrical
04/18/1991WO1991000625A3 Externally rechargeable battery pack for a computer
04/17/1991CN2075395U Universal automatic charging potentiostat for cd-ni cell
04/17/1991CN2075394U Cell charger attached to electric appliance
04/17/1991CN2075393U Charger for electric torch
04/17/1991CN1050795A Bettery charger housing for batteries of differing dimensions
04/11/1991DE3933541A1 Einrichtung zur symmetrierung der ladespannung eines bordnetzes Means for balancing the charge voltage of an onboard network
04/11/1991CA2003761A1 Auxiliary battery monitor
04/10/1991EP0421332A2 Charging control apparatus for vehicle
04/10/1991CN2074956U Chopper electronic stabilizer for magnetic electric motor
04/09/1991US5006780 Charging circuit
04/09/1991US5006779 Electrical unit with multi-position switch
04/06/1991CA2000268A1 Vehicle booster cable system
04/04/1991WO1991000623A3 Battery charging system
04/03/1991WO1991005394A1 Battery charger housing for batteries of differing dimensions
04/03/1991EP0420645A2 An intelligent power supply system for a portable computer
04/03/1991EP0419867A2 Method for voltage regulation
04/03/1991EP0419806A2 Voltage-switching mechanism for a battery charger for charging batteries with different volt ratings
04/03/1991CN2074510U Anti-jamming power supply circuit
04/03/1991CN2074415U Chargeable torch
04/03/1991CN1050358A Energy recovery system for motor vehicle
03/1991
03/27/1991EP0418995A1 Energy recovery system for motor vehicle
03/27/1991CN2074069U Charger
03/27/1991CN2074068U Multifunctional alarm with uninterruptible power supply
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