At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
DC to AC power conversion device using switching elements
A power conversion device includes a main circuit unit, a first current detector, a second current detector, a voltage detector, and a controller. The main...
Boost apparatus with over-current and over-voltage protection functions
A boost apparatus adapted for providing a direct-current (DC) output voltage to a load is provided, and the boost apparatus includes a boost power conversion...
Undervoltage protection circuit, undervoltage protection method and
switching power supply
In one embodiment, an undervoltage protection circuit for a switching power supply can include: (i) an undervoltage detection circuit that determines whether an...
Power conversion using a series of power converters
A power conversion unit includes power converters arranged sequentially to each other to convert input power that is provided at an input of the power...
Power supply systems and methods
One aspect includes power supply systems. The system includes an error amplifier system configured to generate an error voltage based on a feedback voltage of...
System for controlling power-up sequence using DC/DC converter
Disclosed is a system for controlling a power-up sequence applicable to a power controller of a lane departure warning system, including: one DC/DC converter...
Resistance adjustment device for exerciser
An adjustment device includes a casing to which a movable member and two positioning members are movably connected. Two links are connected between the movable...
Electromagnetic braking systems and methods
An electromagnetic braking system of a power generation system includes an electrically conductive disc coupled to a rotatable shaft operatively coupled between...
Magnetic rotation accelerator and power generation system including the
Provided are a magnetic rotation accelerator and a power generation system. The magnetic rotation accelerator includes: a shaft; a fixed plate through which the...
Transmission assembly with integrated motor position sensor
A transmission-mounted electric machine includes an integrated rotational position sensor. The rotational position sensor includes a rotor element and a stator...
Apparatus and method for energy conversion
A method and apparatus for energy generation and conservation uses magnets to repetitively provide rotational mechanical energy. An actuator arm and coupled...
Switched reluctance motor and stator thereof
A stator of a switched reluctance motor includes a stator core part, stator coiling parts, stator salient parts, and pairs of permanent magnets. The stator...
Molding apparatus for fixing permanent magnets of rotor
A molding apparatus and method for fixing permanent magnets in a rotor core during production of drive motors for environmental vehicles, in which the permanent...
Multiple speed motor with thermal overload protection
An electric motor includes a stator and a rotor. The stator has a plurality of low speed windings and a plurality of separate high speed windings. A first type...
A rotor type brushless motor comprises a drive magnet having an indexing pole part that extends on one axial side thereof. This indexing pole part is formed at...
Rotating electric machine
A rotating electric machine including: a bracket holding a rotor and a stator of a motor; a heat sink provided fixedly to the bracket on an outside of the...
Enhanced cooling of enclosed air cooled high power motors
A fully enclosed fan motor assembly includes a motor housing. A stator is located radially inward from the motor housing. A rotor is located radially inward...
Ventilation structure for AC generator
A vehicle AC generator capable of enhancing a cooling effect by increasing an air volume of cooling air is obtained. The AC generator includes: a casing having...
In a cogeneration apparatus having a power generation unit equipped with a power generator, an internal combustion engine, and a hot water tank connected to the...
Drive arrangement for a wind turbine
A drive arrangement (12) for a wind turbine (10) is disclosed, having a rotor shaft (20) and a gearbox assembly (22) for transferring torque to an electrical...
A motor-driven compressor includes an electric motor, a compression mechanism driven by the electric motor to compress refrigerant, a housing accommodating the...
A fan motor that including: a rotor coupled with a shaft to rotate together; a stator installed at a position facing the rotor; a first bracket on a central...
Stator for an electric motor
The invention relates to a stator for an electric motor having a base body composed of stator laminates which are axially in layers with respect to a motor axis...
Rotating electrical machine and vehicle equipped with rotating electrical
A rotating electrical machine includes: a stator core; a stator winding; and a rotor. Cross conductors connect slot conductors to run astride slots with the...
Stator and electric motor using same
A stator according to the present invention includes: a cylindrical stator core; a plurality of tooth portions provided along a circumferential direction of the...
Rotor of electric motor with magnet holding structure and electric motor
including the rotor
A rotor of an electric motor includes a plurality of magnets arranged in a circumferential direction. The rotor includes a holding member mounted concentrically...
Synchronous machine having a flux exciter remote from the rotor
A brushless synchronous electrical machine with an unwound rotor comprising poles excited through axial air gaps at both ends of the rotor by stationary...
Inductive power supply system and intruding metal detection method thereof
The inductive power supply system comprises an input power module for receiving a stable voltage source, a storage module for storing a predetermined...
Wireless power transfer
A revised coil loop structure is combined with metamaterials designed to contain and redirect the electromagnetic field to produce an improved inductive...
Microgrid system structured to detect overload conditions and take
corrective actions relating thereto
A distribution manager includes a main bus, a first connection coupled to the main bus through a first circuit breaker and being structured to couple the...
Emergency lighting system
An emergency lighting system initiated by the wireless or wired alarm signal of a smoke detector or other alarm device. Once the alarm signal has been received...
Control system of energy storage cluster and method for distributing
energy using the same
Provided a cluster control system which controls energy storage systems (ESSs) within the cluster and a method for distributing energy among the ESSs in the...
A mobile device is configured such that it can be charged using an electric power signal S2 received from a wireless power transmitter. A wireless power...
Receiver for wireless charging system
A receiver for a wireless charging system, capable of receiving power energy using non-contact type magnetic induction, includes a coil capable of receiving the...
Mobile terminal and wireless charging module therefor
The present invention provides a mobile terminal which, when wireless (contactless) charging of a battery is performed by approximating a transmission coil of a...
Method and system for rapid charging of rechargeable cells
A method (300) and system (600) of adjusting a charging current to one or more cells (601) is provided. The method includes obtaining (301) a plurality of...
Collapsing adaptor battery charger
A method and apparatus is disclosed to charge a battery. A wall adapter may provide a power to a battery charger in a collapsed mode of operation. In the...
Power supply system providing power and analog data signal for use by
portable electronic device to control...
A power supply system includes data circuitry as well as power circuitry to generate DC power for use by a portable electronic device having a rechargeable...
Dynamic boost battery chargers
There is disclosed a dynamic boost charging system having a monitoring component configured to measure total DC current and/or battery current and a reporting...
Energy storage device and method for controlling the same
An energy storage device and methods for controlling the same are disclosed. The energy storage device can include a connector to or from which at least one...
Pre-charging and voltage supply system for a DC-AC inverter
A pre-charging and voltage supply system for a DC-AC inverter is provided. The system includes a first battery having a first anode and a first cathode, and a...
Quick charging system, control device, method of controlling amount of the
stored electrical power, and program
A control device (200) calculates, on the basis of the transition of the expected amount of power generation of a power generation unit (160), the transition of...
System and method for periodically charging sub-battery for an electric
vehicle based on the SOC discharge rate
Provided is a system method for periodically charging a sub-battery for an electric vehicle. In this method, an SOC self-discharge rate of the sub-battery is...
Wearable power supply comprising a master cell and a slave cell
There is disclosed a universal power pack, power supply and battery harvesting device. Generally, each comprises a receptacle for receiving at least one battery...
Electronic cigarette charger
An electronic cigarette charger is provided, which comprises a charge body that is configured to electrically connect an electronic cigarette, and a charge plug...
Detachably integrated battery charger for mobile cell phones and like
A cell phone charger comprises a main body having embedded therein a charging circuit configured to receive line AC voltage and to convert it to a DC voltage...
Charging device and method of detecting a connection to ground
A charging device includes a current control device configured to receive a first amount of current from a power source. The charging device also includes a...
Efficient apparatus and method for inhibiting corrosion with discharge
blocking features in a battery
A battery pack selectively coupled to a portable electronic device and/or a recharging source, and configured to inhibit corrosion with discharge blocking...
Wireless charging system for transferring power to receivers having
different standards using coils of...
The present disclosure relates to a wireless power transfer method, a wireless power transmitter and a wireless charging system in a wireless power transfer...
I-V measurement system for photovoltaic modules
An apparatus for measuring electrical characteristics of solar panels (photovoltaic modules) wherein the apparatus measures current versus voltage ("I-V")...