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.
Switching regulator compatible with electronic transformer and control
The present invention discloses a switching regulator compatible with an electronic transformer and a control method thereof. The switching regulator includes:...
Synchronous DC-DC converter
Disclosed is a synchronous DC-DC converter including: a clock signal generator which generates a clock signal; a gate driving part which is connected to the...
Power conversion system having a harmonic distortion limiter
An electrical power conversion system having a harmonic distortion limiter. The power conversion system includes a power converter having a power input, a power...
Method for suppressing circulating current in modular multilevel converter
for high voltage direct-current...
Provided is a method for suppressing a circulating current in a modular multi-level converter for a high voltage direction-current (HVDC) transmission system....
Zero-crossing detection circuit
In one embodiment, a zero-crossing detection circuit can include: (i) a first detection circuit configured to detect a current through a main transistor of a...
Power controller having active voltage balancing of a power supply
A power controller includes a plurality of power supply output circuits and a multi-level converter connected to the plurality of power supply output circuits...
Power transmission apparatus
An electric rotating machine includes a power transmission mechanism and an armature. The power transmission mechanism is equipped with a first, a second, and a...
Magnetic gear with first and second members arranged to interact in a
magnetically geared manner
Embodiments of the present invention relate to magnetic gears comprising first and second moveable members arranged to interact in a magnetically geared manner...
Electric rotating machine
A magnetic resistance changing mechanism for changing a magnetic resistance of a stator magnetic path including a stator yoke portion and each tooth portion by...
Method and device for extraction or introduction of a rotor from or into a
stator of an electric machine
The method for extraction or introduction of a rotor (4) from or into a stator (2) of an electric machine (1) includes removing the fan blades (20) from the...
Arrangement apparatus and arrangement method
An arrangement apparatus and an arrangement method of allowing gripping devices to grip electrical conductors by using inexpensive, simple, and small-sized...
Automotive rotary electric machine and stator manufacturing method that is
The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that...
Rotary electric machine and driving apparatus using the same
A motor includes a stator core fitted to a cylindrical portion of a case, a rotor core being rotatable in the stator core, soft magnetic poles radially...
Rotary electric machine
A metal plate is insert-molded into a case so as to be exposed inside a B terminal mounting aperture so as to overlap with a busbar, a B terminal bolt is...
Electric driving device and method for manufacturing electric driving
Provided is an electric driving device including an electric motor (1), and a control device (20) arranged on an axis line of a rotation shaft (2) of the...
Motor drive apparatus having a motor, rotor, stator and heat sink
A motor drive apparatus includes a motor having a shaft, an end frame, and a control unit having a heat sink. The end fame and the heat sink are arranged to...
Radial blower air guide, system, and method of cooling
A radial blower air guide includes a first end wall substantially circumscribing an end bracket of an electric motor. The air guide includes a second end wall...
Linear motor cooling system
An apparatus includes an electric machine. The electric machine includes an internal housing, an armature coil disposed within the internal housing and...
Variable speed switch and electric power tool with the variable speed
switch mounted thereto
A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be...
Variable flux electric starter motor and method of operating the same
A variable flux electric starter motor includes a frame, an armature rotatably mounted within the frame, and a primary field mounted to the frame. The primary...
Motor having a braking function and used in linear actuator
A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The...
Generator set having adjustable terminal box
A terminal box for a generator set is disclosed. The terminal box may include a generally open structural member configured to be mounted to a generator barrel...
Device for mounting a shaft in a housing, and assembly having a device
according to the invention
The invention relates to a device (10) for mounting a shaft (1; 26) in a housing (100), having a bearing (5; 5b; 5c) which is connected to the shaft (1; 26) and...
Rotary electric machine
A rotary electric machine includes a rotor, a stator, a circuit substrate, a tubular closed-top and closed-bottom motor case arranged to accommodate the rotor,...
Disclosed is a motor including: a housing formed by means of insert injection molding in such a manner as to locate a stator assembly inside a mold, the stator...
Core winding method and stator
In a method for winding a core having an arch-like yoke portion, a tooth portion, and a tooth end portion by revolving a nozzle for feeding a conductive wire,...
Spacer for stabilizing and insulating an end winding
A spacer for mechanically stabilizing and electrically insulating an end winding in an electric motor includes an elastic nose having a free end. A planar,...
Insulation system for an electric machine
A bar wound stator includes a stator core defining a plurality of slots. Bar-type conductors are disposed within each slot. Each slot includes a slot liner and...
Electrical conductors and related devices
A method of spacing a plurality of electrical conductors for carrying electrical current in an electrical machine may include positioning between the electrical...
Stator winding of electrical rotating machine
In a three-phase, four-pole, four-parallel-circuit stator winding of an electrical rotating machine, each of two sets of U-phase output terminals U1, U2 is...
Rotor of permanent magnet motor
In this rotor (101), which has permanent magnets (105) inserted in a rotor core (102), main body sections (117) of magnetic shield sections (107) are formed in...
Split rotor multiphase generator
A generator comprises a rotor assembly having a first rotor and a second rotor located about a shaft along a rotational axis. Each rotor includes a plurality of...
Rotary electric machine
In a rotary electric machine, a cylindrical stator core holding frame is cantilevered on a housing. A cylindrical stator core is fitted together and held inside...
Electric motor and compressor with same
An electric motor according to the present invention includes stator (10) which has ring-shaped yoke (11) and a plurality of teeth (12) disposed at the inner...
Electromagnetic drive mechanism
An electromagnetic drive mechanism (10) comprises a rotor (50) configured to rotate within a stator (30). The rotor (50) and stator (30) have multiple poles...
Circuit for signal decoding in RFID or wireless power charging
A circuit for signal decoding in RFID or wireless power charging is provided in the present invention. The implement of the present invention is to add a...
Wireless power system and resonant frequency changing method thereof
This specification provides a wireless power system capable of changing a resonant frequency and a resonant frequency changing method thereof. To this end, a...
Power monitor and control apparatus and control apparatus of distributed
If a failure has occurred on the backbone-power-transmission-network side, i.e., the electric-power system, and if the power supply to a ...
Power conversion device with ripple filtering
An uninterruptible power supply device including a filter for rejecting, in the voltage of a power supply node between a converter and an inverter, a ripple...
Uninterruptible power supply system
An uninterruptible power supply system, including: a plurality of uninterruptible power supply devices which are connected in parallel with respect to a load,...
Charge controller for vehicle
A charge controller is used for a vehicle equipped with a rotating machine, a main battery for storing electrical power supplied to the rotating machine, a...
Bi-directional wireless charger
A bi-directional charging device includes a rechargeable battery, a coil coupled to the rechargeable battery, a selection mechanism that selectively causes...
Method and apparatus for wirelessly charging multiple wireless power
A method and apparatus are provided for transmitting wireless power to at least one wireless power receiver. The apparatus includes a communication unit that...
Wireless power charging method and apparatus
A wireless charging method and apparatus wirelessly charges power between separate electronic appliances. The wireless charging method includes searching for at...
Unified high power and low power battery charger
The embodiments discussed herein relate to systems, methods, and apparatus for providing a charger capable of adaptively handling a range of power inputs. The...
Uninterruptable power supply system and method
An uninterruptable power supply (UPS) system/method providing power line conditioning and power factor correction (PFC) that incorporates centralized battery...
Wireless charging identification using sensors
Methods and systems for implementing wireless charging identification using a sensor are described. A device platform operating a device, such as a mobile...
USB charging with data communication
A process is disclosed for communicating digital data between a powered device and a charging device via a universal serial bus (USB). The process includes...
Charger integrating network interface conversion apparatus
Embodiments of the present invention disclose a charger integrating a network interface conversion apparatus, which is used with a wireless mobile gateway...
Mobile terminal capable of being charged in a wired or wireless manner
A mobile terminal capable of being charged in a wired or wireless manner is disclosed. Some embodiments of the disclosed mobile terminal include a terminal body...