Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120104988 | HIGH POWER DENSITY SRMs A power converter having a first switch and a first unidirectional current device that conducts current unidirectionally. The first switch and first unidirectional current device are interconnected such that when interconnected with a dc voltage supply, battery, and fir... | 05/03/2012 |
| 20120068637 | MOTOR DRIVING APPARATUS During motor acceleration control period that starts at time T1, if power supply output or supply current exceeds a predetermined level at time T2, PWM control in a PWM converter is turned off until a deceleration control period of T3 to T4 e... | 03/22/2012 |
| 20120068636 | MOTOR DRIVING APPARATUS When the output of motor reaches or exceeds a predetermined value during acceleration of the motor, the control target value of the DC link voltage which is the voltage of a power storage device is gradually lowered in corresponding relationship to the motor output. Whe... | 03/22/2012 |
| 20120049772 | CONTROLLING A BIDIRECTIONAL DC-TO-DC CONVERTER A system and method for regulating power flow and limiting inductor current in a bidirectional direct current (DC)-to-DC converter is provided. In one aspect, a feedback circuit is provided to control power flow and/or limit inductor current based on the input/output vo... | 03/01/2012 |
| 20120024610 | ELECTRIC MACHINE - EVAPORATIVE COOLING An electric machine (10;100) comprises a rotor (14a), preferably having permanent magnets (24a,b), although other field generation means are available, and a stator (12). The stator has coils (22) wound on stator bars ( 02/02/2012 | |
| 20120019176 | POWER SUPPLY SYSTEM AND ELECTRIC POWERED VEHICLE USING THE SAME If it is determined that excess power is generated based on overcharge information of a power storage device, a controller starts an operation of consuming the excess power by an excessive power consuming circuit. The controller counts elapsed time from the time point w... | 01/26/2012 |
| 20120013277 | DAMPER SYSTEM FOR VEHICLE A damper system for a vehicle including an electromagnetic damper, wherein the electromagnetic damper includes: (i) an electromagnetic motor; (ii) a motion converting mechanism; and (iii) an external circuit including (A) a first connection passage, (B) a second connect... | 01/19/2012 |
| 20110316462 | ELECTRIC DEVICE FOR DRIVING MECHANICAL EQUIPMENT AND ASSOCIATED METHOD The present invention relates to an electric device for driving mechanical equipment comprising an alternating current motor and an inverter, the said inverter comprising, for each phase of the said motor, an H bridge structure comprising four switching elements distrib... | 12/29/2011 |
| 20110309777 | VEHICULAR ELECTRICAL SYSTEM AND METHOD FOR CONTROLLING AN INVERTER DURING MOTOR DECELERATION Methods and systems for operating an inverter having a plurality of high switches and a plurality of low switches coupled to an electric motor are provided. An event indicative of deceleration of the electric motor is detected. The inverter is alternated between a first... | 12/22/2011 |
| 20110304288 | BICYCLE REGENERATIVE BRAKE CONTROL DEVICE A bicycle regenerative brake control device is provided for controlling a motor, in relation to a brake mechanism that can be mounted on an electric bicycle in which human-powered driving is assisted by the motor. The bicycle regenerative brake control device basically ... | 12/15/2011 |
| 20110298402 | MOTOR DRIVE DEVICE WITH FUNCTION OF SWITCHING TO POWER REGENERATIVE OPERATION MODE A motor drive device comprising a converter for carrying out a power running operation for supplying power from a three-phase AC power supply to a three-phase AC motor and a power regenerative operation for returning energy generated by the three-phase AC motor to the t... | 12/08/2011 |
| 20110266982 | MOTOR CONTROL A system includes a power supply output sensor that senses an output level of a power supply during active motor control of a motor using the power supply and generates a signal indicative thereof. The motor regenerates energy and the power supply absorbs energy regener... | 11/03/2011 |
| 20110260660 | SYSTEMS AND METHODS FOR ABSORBING WASTE ELECTRICITY FROM REGENERATIVE BRAKING IN HYBRIDIZED VEHICLES The invention relates to a system for absorbing electric energy from regenerative braking. The system includes a battery, a thermoelectric module in thermally-conductive contact with the battery, a generator for generating an electric current from regenerative braking, ... | 10/27/2011 |
| 20110247900 | OPERATON OF A THREE-PHASE REGENERATIVE DRIVE FROM MIXED DC AND SINGLE PHASE AC POWER SOURCES A three-phase regenerative drive (20) is operated based upon power from a single-phase AC source (12) and power from a DC source (14). The single-phase AC input power and the DC input power are converted to DC voltage on a DC bus (24) by a th... | 10/13/2011 |
| 20110227514 | EDDY-CURRENT MAGNETIC CONTROLLED LOADING DEVICE USED IN A MAGNETIC CONTROLLED POWER GENERATOR An eddy-current magnetic controlled loading device used in a magnetic controlled power generator, including a frame, an eddy-current magnetic controlled loading device, a flywheel, a rotary axle for supporting the flywheel, and a magnetic controlled device. The eddy-cur... | 09/22/2011 |
| 20110208383 | ELECTRIC POWERED VEHICLE AND CONTROL METHOD FOR THE SAME A power supply system includes a main power storage device and a plurality of sub power storage devices. A converter is connected to a selected one of the sub power storage devices to perform voltage conversion bidirectionally between the selected sub power storage devi... | 08/25/2011 |
| 20110193346 | METHOD AND APPARATUS TO RECOVER AND CONVERT WASTE HEAT TO MECHANICAL ENERGY A method and system for waste heat recovery for conversion to mechanical energy. Exhaust is received from an engine into a first heat exchanger where heat from the exhaust is transferred to a refrigerant. The exhaust is then transferred to a regenerator module in order ... | 08/11/2011 |
| 20110163702 | CONVERTER WITH DISTRIBUTED BRAKE RESISTANCES A device converts electrical energy into heat in the field of drive voltage technology and/or high voltage technology. The device contains a brake resistance and at least one controllable brake power semiconductor for controlling the conversion, enabling a rapid and eco... | 07/07/2011 |
| 20110156620 | BATTERY PROTECTION SYSTEM AND METHOD THEREOF A battery protection method is provided for preventing a main battery set from being damaged by a current from a load, and for lengthening the lifespan of the main battery set. The method includes the steps of: providing an auxiliary battery set; determining whether to ... | 06/30/2011 |
| 20110148333 | REGENERATIVE SWITCHED RELUCTANCE MOTOR DRIVING SYSTEM Provided is a regenerative switched reluctance motor driving system which allows a motor to have a reduced size and weight and an increased efficiency as well as improved energy recovery efficiency at the time of regenerative braking without using a neodymium magnet. Ba... | 06/23/2011 |
| 20110135502 | HYDRAULIC RESERVOIR FOR HYDRAULIC REGENERATIVE CIRCUIT A hydraulic reservoir includes a container having an internal volume, an internal wall dividing the internal volume of the container into a first section and a second section for separately containing the hydraulic fluid, and two one-way valves. The first one-way valve ... | 06/09/2011 |
| 20110121767 | MOTOR DRIVER CIRCUIT AND VACUUM PUMP HAVING THE MOTOR DRIVER CIRCUIT Provided are a compact and low-cost motor driver circuit capable of achieving an appropriate brake time and restraining heat generated by a regenerative resistance within a specific temperature range without employing a regenerative resistance having a greater capacity,... | 05/26/2011 |
| 20110115418 | CONSTRUCTION MACHINE HAVING POWER GENERATION FUNCTION A swing system of a construction machine having a power generation function is provided. The construction machine includes a lower driving structure capable of traveling, an upper swing structure mounted on an upper portion of the lower driving structure and provided wi... | 05/19/2011 |
| 20110109158 | EXTRACTION, STORAGE AND DISTRIBUTION OF KINETIC ENERGY An energy conversion system (ECS) is described for energy conversion and distribution including the conversion of vehicle-stored energy into electrical energy and the distribution of the electrical energy locally at the home or via a utility grid level. The ECS includes... | 05/12/2011 |
| 20110101897 | DC BUS BOOST METHOD AND SYSTEM FOR REGENERATIVE BRAKE Embodiments of the present invention provide novel techniques for using a switched converter to provide for three-phase alternating current (AC) rectification, regenerative braking, and direct current (DC) voltage boosting. In particular, one of the three legs of the sw... | 05/05/2011 |
| 20110083578 | BATTERY-POWERED RAIL VEHICLE A rail consist having at least one propulsion car having traction motors and at least one working car having working motors. Energy storage units are provided on the consist to provide power to the traction motors and the working motors. The energy storage units provide... | 04/14/2011 |
| 20110084633 | Glass sheet processing/handling machine In a glass sheet processing/handling machine, at least one electric motor for powering a respective movable member is powered by a drive having a direct power device connected to an industrial electric power mains; and a rechargeable power device alternative to the dire... | 04/14/2011 |
| 20110074319 | DEVICE FOR CONTROLLING REGENERATION ENERGY IN AN ELECTRONIC MOTOR DRIVE HAVING AN LC FILTER TO REDUCE CONDUCTED EMISSIONS FROM THE MOTOR BACK TO THE VOLTAGE SOURCE The present invention provides a unique improvement (23) in an electronic motor drive (20) having an LC filter (21) to reduce conducted emissions from a motor (M) back to a voltage source (V1). The improvement broadly includes diode (24 | 03/31/2011 |
| 20110057587 | ENERGY-RECOVERY DEVICE IN A VARIABLE SPEED DRIVE The invention relates to a variable speed drive comprising a direct-current power bus having a positive line (16) and a negative line (17), and an inverter module (14) supplied by the direct-current bus in order to supply a variable voltage to an el... | 03/10/2011 |
| 20110031908 | KINETIC ENERGY COLLECTION DEVICE A kinetic energy collection device is mounted on a vehicle body. The vehicle body includes drive disks rotated synchronously with wheels of the vehicle body. The kinetic energy collection device includes transmission units, a lift out unit, electrical generators, and an... | 02/10/2011 |
| 20110023772 | METHOD AND SYSTEM FOR DISPLAYING RECOVERED ENERGY FOR A HYBRID ELECTRIC VEHICLE An information display configured to display one or more energy efficiency values of a vehicle. The information display system may comprise an information display configured to display an energy recovered indicator corresponding to a ratio of the braking energy recovere... | 02/03/2011 |
| 20100314168 | FLYWHEEL-BASED ENERGY STORAGE ON A HEAVE-COMPENSATING DRAWWORKS A system for managing energy consumption in a heave-compensating drawworks includes a power supply, a winch drum connected to the power supply so as to receive power from the power supply, a flywheel connected to the winch drum and to the power supply, and a controller ... | 12/16/2010 |
| 20100275810 | BATTERY-POWERED ALL-ELECTRIC LOCOMOTIVE AND RELATED LOCOMOTIVE AND TRAIN CONFIGURATIONS Designs for a battery-powered, all-electric locomotive and related locomotive and train configurations are disclosed. In one particular exemplary embodiment, a locomotive may be driven by a plurality of traction motors powered exclusively by a battery assembly which pre... | 11/04/2010 |
| 20100277110 | ELECTRICAL REGENERATIVE BRAKING This invention relates to an electrical regenerative brake (100) with a rotating brake coil (10) which is mounted on a wheel (14) of a vehicle, whereby a magnetic field (18) is fed in the coil (10). In order to allow effective regenera... | 11/04/2010 |
| 20100263640 | POWER SUPPLY FOR ONBOARD EQUIPMENT OF AN AUTOMOBILE A power supply of equipment onboard a motor vehicle equipped with a micro-hybrid system that can operate in a regenerative braking mode during which the energy recovered by a reversible rotary machine (1) of the micro-hybrid system is stored in an auxiliary energ... | 10/21/2010 |
| 20100258369 | METHOD FOR DRIVING A MICRO-HYBRID SYSTEM FOR VEHICLE AND AN ENERGY STORAGE UNIT, AND HYBRID SYSTEM FOR IMPLEMENTING SAME A micro-hybrid system (1) including an electric energy storage unit (12) and an electronic control unit (14). The storage unit includes a plurality of elementary cells mounted in series. A method includes the steps of: reading the elementary electri... | 10/14/2010 |
| 20100234170 | METHOD FOR RECOVERING ELECTRICAL ENERGY IN A VEHICLE WITH REGENERATIVE BRAKING Method for recovering electrical energy in a vehicle with regenerative braking is used in a vehicle equipped for this purpose with an electrical capacitance device to store electrical energy supplied by a rotary electrical machine of the vehicle during regenerative brak... | 09/16/2010 |
| 20100199877 | Freight Transportation System and Method According to one embodiment of the invention, a freight transportation system includes a track comprising a pair of rails and a linear motor reaction plate disposed between the rails and a transport vehicle having a universal intermodal container bay configured to accom... | 08/12/2010 |
| 20100192788 | MOTOR DRIVE CONTROL DEVICE A motor drive control device including a power supply converter that is connected to an alternating-current power supply, a voltage detector that detects a direct-current voltage of the power supply converter, an inverter that is connected to a motor, and an energy stor... | 08/05/2010 |
| 20100181949 | MOTOR CONTROL MECHANISM FOR ELECTRIC VEHICLES An apparatus for controlling a wheel motor is provided. A plurality of switches is provided for controlling a direction of current through motor coils of the wheel motor. A brushless motor control circuit is connected to each of the plurality of switches. Responsive to ... | 07/22/2010 |
