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Class 290/40C - Control in response to generator and prime mover conditions


Subclass of Class 290 - Prime-mover dynamo plants
No. of patents: 724
Last issue date: 02/14/2012


1                      
NumberTitleIssue Date
8115328Weld setting based engine-driven generator control system and method
A system and method are provided for controlling an internal combustion engine driving a generator/welder or a stand-alone generator. The engine and/or the generator is controlled based upon settings for welding. Controlling the engine may include altering the engin...
02/14/2012
8102066Inverter generator
In an inverter generator, having a generator unit driven by an internal combustion engine whose throttle valve is moved by an actuator and generates alternating current, and an inverter that converts converted direct current to alternating current with switching ele...
01/24/2012
8093734Cogeneration system
In a cogeneration system having at least with a generation unit comprising a generator connectable to an AC power feed line between a commercial power network and an electrical load, an internal combustion engine for driving the generator, and a battery, the cogener...
01/10/2012
8089169Power control system of vehicle
A power control system of a vehicle has a battery, an alternator, and a battery condition detecting device. The device has detecting units detecting the battery current supplied to or discharged from the battery, the battery voltage and the battery temperature, a co...
01/03/2012
8063499Power-generation control apparatus for in-vehicle electric rotating machine
There can be performed the best power-generation control without enlarging the apparatus, deteriorating the reliability, and raising the cost. The power-generation control apparatus is provided with a power-generation amount suppression determination unit that deter...
11/22/2011
8039976Power supply control apparatus and method for hybrid vehicle
When the temperature of an engine and a main battery is low at the time of activating a vehicle system, an ECU starts the engine in advance and outputs a running permission signal after completion of engine startup. At this stage, the ECU suspends a defect diagnosis...
10/18/2011
7999405Electric power generation system controlled to reduce perception of operational changes
An electric power system includes an engine, a generator driven by the engine, an electrical energy storage device, power control circuitry coupling the generator and storage device together, and a processor coupled to the circuitry. The generator provides variable ...
08/16/2011
7982324Power generation control device
A power generation control device for a generator driven by a four-stroke cycle engine is provided. The power generation control device includes a switching circuit for controlling an output current from the generator; and a power generation period control device co...
07/19/2011
7915748AC electrical generation system
Disclosed herein is an AC electrical generator system for coupling a variable speed rotating power source to an AC electrical generator through a continuously variable transmission having a finite variable transmission ratio. A controller controls the continuously v...
03/29/2011
7906864Apparatus and method of controlling generation of electric power in vehicle
The present invention relates to an apparatus for controlling generation of electric power in a vehicle that is capable of calculating a target state of charge (SOC) of a battery on the basis of a SOC of the battery and an amount of accumulated current according to ...
03/15/2011
7872362Vehicle-use power supply control apparatus
The vehicle-use power supply control apparatus includes a first battery supplying electric power to a load, an alternator driven by a vehicle engine, a second electric accumulator parallel-connected to the first battery, an electric power converter performing two-wa...
01/18/2011
7855466Electric power generation system with current-controlled power boost
An electric power system includes a variable speed generator driven by an engine and an electrical energy storage device. The generator and the storage device are coupled to a variable voltage DC bus. An inverter converts DC electricity from the DC bus to AC electri...
12/21/2010
7812467Smart alternator load control
A smart alternator control circuit and method is provided limiting alternator load on an internal combustion engine. ...
10/12/2010
7812468Vehicle control system
A control system for a vehicle has an engine control unit for an engine and a generator control unit for a power generator driven by the engine. The engine control unit calculates a permissive power generation torque, which is permitted to be used by the power gener...
10/12/2010
7804181Power control system and method
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of the generator and vary an output power of the generator according to ...
09/28/2010
7750489Power control system and method
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of the generator and vary an output power of the generator according to ...
07/06/2010
7745947Hybrid working machine
The present invention is to drive a hydraulic pump and a generator motor by an engine, to electrically charge a battery by a generator action of the generator motor, and to drive the generator motor by electric power of the battery so as to assist the engine. A gove...
06/29/2010
7728448Process and apparatus for reducing nitrogen oxide emissions in genset systems
A process and apparatus for reducing nitrogen oxide emissions in a genset comprising an engine and a generator and a shaft coupled to the engine and generator. The apparatus directs the generator to reduce load on the shaft while directing the engine to seek a stead...
06/01/2010
7728449Hybrid working machine
The present invention is to drive a hydraulic pump and a generator motor by an engine, electrically charge a battery by a generator operation of the generator motor, and assist the engine through driving the generator motor by electric power of the battery. On the p...
06/01/2010
7701075Hybrid electrical power source combining stirling engine driven alternator with supplementing electrical energy storage
An electrical power source including a free-piston Stirling engine driving an alternator to supply power through a bus to a user load and controlled by an engine/alternator controller. A bidirectional DC/DC converter is connected between a battery and the bus. The s...
04/20/2010
7687929Electric power generation system with multiple inverters
An apparatus includes a vehicular electric power generation system comprising a variable speed internal combustion engine, a first variable speed electric power generator driven by the engine, a second variable speed electric power generator driven by the engine, a ...
03/30/2010
7667342Power supply for a vehicle
A power supply system that supplies high-voltage power to a vehicle drive motor is provided to achieve reduction in size, weight and cost of power supply. The power supply system includes a plurality of battery modules connected in series. With the intermediate conn...
02/23/2010
7649273Hybrid drive unit having a low-temperature circuit
A hybrid drive unit (10) for a motor vehicle with an internal combustion engine (12) and at least one electric machine (14) optionally operable as a motor or as a generator, has a charge air compressor (22) for compression of combustion a...
01/19/2010
7635922Power control system and method
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of the generator and vary an output power of the generator according to ...
12/22/2009
RE41034Power combining apparatus for hybrid electric vehicle
A power combining apparatus for a hybrid electric vehicle comprises a planetary gear set comprising a sun gear, a ring gear connected to an output shaft, a plurality of planet gears, and a carrier assembly rotatably supporting the plurality of planet gears journaled...
12/15/2009
7615879Method of controlling an onboard power supply system for a motor vehicle
A method is provided for controlling an onboard power supply system for a motor vehicle having a multi-voltage generator which supplies at least a first and a second partial power supply system having in each case several electric consuming devices, the first and th...
11/10/2009
7612461Integrative combined vehicle power allotment mechanism
An integrative combined vehicle power allotment mechanism includes an electric energy unit, an electric power control unit, an electric power unit, a heat power unit, an one-way clutch unit, a power allotment unit, and a speed change unit. The electric energy unit f...
11/03/2009
7612460Engine-driven power generator
The present invention provides an engine-driven synchronous power generator that selects the operation state with respect to the load of the power generator by controlling the revolution. The electronic governor 4 includes a target revolution determining unit...
11/03/2009
7582980Drive apparatus for hybrid vehicle
A drive apparatus for a hybrid vehicle is provided with a first motor generator, a power splitting mechanism portion, and a second motor generator. The first motor generator functions mainly as a generator. The power splitting mechanism portion divides the power gen...
09/01/2009
7569942Output voltage controller of engine-driven generator
A control section 32 supplies a current obtained by rectifying the output of an exciting winding 5 to a field winding 3 responding to variations in the output voltage of the generator to suppress the variations in the output voltage of the gener...
08/04/2009
7554214Large transient detection for electric power generation
An electric power generation system is disclosed that provides an AC electric power output with the target waveform period. A sequence of values is established that each represent electric current of the output for a corresponding one of a number of sequential time ...
06/30/2009
7550861AC power supplying system, power supply apparatus, and vehicle having the same
Upon power failure of a commercial power source, an automatic switching device switches to power supply from a hybrid vehicle. An ECU of the vehicle, when receiving a request for generation of a commercial AC voltage, sets an upper-limit power generation amount base...
06/23/2009
7547983Method and system for generating electricity through the use of a moving vehicle
A method and system of producing electrical energy by a moving vehicle. Moving air would be introduced to the vehicle provided with a generator for producing electricity. This electricity would be transmitted to one or more storage batteries connected between the ge...
06/16/2009
7535116System and method for controlling an output of an auxiliary power source of a diesel powered system
A system and method for controlling a power output of an auxiliary alternator of a diesel powered system having at least one diesel-fueled power generating unit, the alternator powering at least one dynamoelectric device of the diesel powered system. The system incl...
05/19/2009
7531909Method and apparatus for controlling charging operations for battery
An apparatus controls a state of charge (SOC) of a battery mounted on a vehicle provided with an internal combustion engine driving a generator mounted on the vehicle. The generator charges the battery. In the apparatus, a setting unit sets a target value directed t...
05/12/2009
7525206Power source device for working machine
Power distribution of an engine and an electric power storage device is determined according to a charge amount of the power storage device, and the charge amount of the power storage device is maintained in an adequate range. A power source device for working machi...
04/28/2009
7521814System and method for providing low voltage 3-phase power in a vehicle
A vehicle including a principal power unit that includes a generator coupled to a prime mover. The generator includes at least first and second sets of windings to generate power. The first set of windings is configured to generate power at a first voltage and the s...
04/21/2009
7518254Multiple prime power source locomotive control
The present invention is directed to a control strategy for operating a plurality of prime power sources during propulsion, idling and braking and is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engi...
04/14/2009
7514807Alternator boost method
A circuit for boosting the voltage output of an alternator utilizes the armature coils of the alternator as part of the boost circuit. The circuit and methods utilizing this circuit can enable refined control strategies for operating a plurality of engine systems du...
04/07/2009
7508087Vehicle electric-power conversion apparatus
The objective of the present invention is to obtain a vehicle electric-power conversion apparatus in which high-efficiency rectification operation can be realized, by detecting in real time a change, due to a fluctuation in a load, in a phase at which a switching el...
03/24/2009
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