Entries |
Document | Title | Date |
20090025992 | Vehicle and Vehicle Control Method - In response to a starting instruction of an engine | 01-29-2009 |
20090057042 | METHOD OF CONTROLLING A HYBRID VEHICLE DURING REGENERATIVE DECELERATION - A method of controlling a hybrid vehicle during regenerative deceleration, the method including: determining deceleration of the vehicle; upon determining deceleration of the vehicle, operating a reversible electric machine as a generator to regenerate part of the kinetic energy of the vehicle; establishing a respective minimum speed of an internal combustion engine for each gear of a servocontrolled mechanical power train; determining and engaging the highest gear which, combined with the current state of motion of the vehicle, runs the internal combustion engine at higher than the respective minimum speed; keeping the gear engaged as long as the internal combustion engine runs at higher than the respective minimum speed; and downshifting by one gear when the internal combustion engine runs at lower than the respective minimum speed. | 03-05-2009 |
20090090574 | Vehicle Drive System and Vehicle Equipped with It - A vehicle drive system comprises inverters connected electrically with a power supply line and a ground line and controlling the current flowing through each stator coil of each of first and second motor generators and a switch making or breaking the connection between the neutral of the stator coil of first motor generator and a battery. When the first motor generator is not used but the second motor generator is used, a controller brings the switch into connection state in parallel with voltage conversion operation of a booster unit and controls the inverter to perform voltage conversion operation using the stator coil of first motor generator as a reactor. | 04-09-2009 |
20090095549 | HYBRID VEHICLE DRIVE SYSTEM AND METHOD AND IDLE REDUCTION SYSTEM AND METHOD - One embodiment relates to a hybrid vehicle drive system for a vehicle including a first prime mover, a first prime mover driven transmission, a rechargeable power source, and a PTO. The hybrid vehicle drive system further includes a hydraulic motor in direct or indirect mechanical communication with the PTO and an electric motor in direct or indirect mechanical communication with the hydraulic motor. The electric motor can provide power to the prime mover driven transmission and receive power from the prime mover driven transmission through the PTO. The hydraulic motor can provide power to the prime mover driven transmission and receive power from the prime mover driven transmission through the PTO. | 04-16-2009 |
20090107745 | METHOD AND SYSTEM FOR MONITORING SIGNAL INTEGRITY IN A DISTRIBUTED CONTROLS SYSTEM - A method to monitor integrity of a signal in a distributed control system for a powertrain system includes communications link transmitting signals between control modules. Integrity of each of the control modules is monitored. The signal is generated and verified in an originating control module and transmitted to a receiving control module whereat it is subsequently verified. | 04-30-2009 |
20090120699 | Hybrid Vehicle and Control Method Thereof - A hybrid vehicle | 05-14-2009 |
20090120700 | CONTROL DEVICE FOR HYBRID VEHICLE - The control device for the hybrid vehicle is mounted on the hybrid vehicle including the engine and the motor generator as the driving source and capable of switching at least two modes, i.e., the infinite variable speed mode and the fixed gear ratio mode. When the speed change is performed from the infinite variable speed mode to the fixed gear ratio mode, the first speed change control to maintain the number of revolutions equal to or larger than the number of engine revolutions at the time of setting the infinite variable speed mode and reduce the engine torque to shift the speed gear in the fixed gear ratio mode is executed. Thereby, when the speed change is performed from the infinite variable speed mode to the fixed gear ratio mode, it becomes possible to appropriately suppress the drivability deterioration caused due to the change of the number of engine revolutions. | 05-14-2009 |
20090133945 | Method for dynamic torque coordination of power units of a hybrid drive of a vehicle, and corresponding device - A method and device for dynamic torque coordination of power units of a hybrid drive of a vehicle, in particular a motor vehicle. The method has a plurality of successive coordination stages, each coordination stage being assigned an operating range for at least one of the power units, and each coordination stage making at least one demand on a first power unit and/or a second power unit as a function of an overall setpoint torque requested from the hybrid drive, a subsequent coordination state having an enlarged operating range compared to a preceding coordination stage, and the subsequent coordination stage is used if the demand was unable to be satisfied within the operating range of the assigned coordination stage. | 05-28-2009 |
20090139785 | Hybrid golf car - A hybrid golf car type vehicle powered by a gasoline engine or an electric motor in the forward direction and by the electric motor in the reverse direction with the gasoline engine charging the batteries when the batteries fall below a threshold charge either with a motor generator or an alternator. | 06-04-2009 |
20090152028 | HYBRID DRIVE POWERTRAINS WITH REDUCED PARASITIC LOSSES - An apparatus for reducing parasitic losses in a hybrid electric powertrain of a vehicle includes a drivetrain, an electric motor, and a connecting mechanism operative to selectively engage and disengage the drivetrain and the electric motor. | 06-18-2009 |
20090152029 | Control apparatus and control method for power transmission apparatus for vehicle - A control apparatus for a power transmission apparatus for a vehicle controls the rotational speed of an output shaft of an electric differential portion to a predetermined rotational speed until at least one of a control that starts a main power source and a control that stops the main power source ends, if at least one of a shift position and a shift range is changed from a parking position to a neutral position while the at least one of the control that starts the main power source and the control that stops the main power source is being executed. | 06-18-2009 |
20090159350 | Vehicle Controller, Vehicle and Vehicle Control Method - A controller for a vehicle including at least one motor driving wheels, an inverter driving the motor, and a boosting converter supplying a dc power supply current to the inverter, is provided with a control portion performing rectangular wave control and non-rectangular wave control on the inverter in a switched manner. The control portion has an emergency switching condition for switching control from the rectangular wave control to the non-rectangular wave control, as a determination reference, and when the emergency switching condition is satisfied while the rectangular wave control is being executed (YES at step S | 06-25-2009 |
20090159351 | Hybrid Vehicle and Control Method of The Same - In a hybrid vehicle | 06-25-2009 |
20090166113 | Hybrid Vehicle Having Engagable Clutch Assembly Coupled Between Engine And Traction Motor - A hybrid vehicle includes a battery system, an internal combustion engine, a first motor/generator, a second motor/generator, and an engageable clutch assembly. The engageable clutch assembly is disposed between the internal combustion engine and the first motor/generator. When engaged, the engageable clutch assembly couples the rotor spindle of the second motor/generator with the hollow rotor shaft of the first motor/generator. The engageable clutch assembly may also operate in a first mechanical mode that selectively engages and disengages the internal combustion engine from the second motor/generator, or operate in a second mechanical mode that dampens shock between the internal combustion engine and the first motor/generator when the international combustion engine operates at a rotational speed that is different than a rotational of the first motor/generator. | 07-02-2009 |
20090166114 | METHOD OF DRIVING DC/DC CONVERTER, METHOD OF CONTROLLING DC/DC CONVERTER APPARATUS, METHOD OF CONTROLLING DRIVING OPERATION OF VEHICLE, AND METHOD OF DRIVING FUEL CELL SYSTEM - Under the same target voltage, a basic duty ratio depending on a target ON time is set, and prior and subsequent duty ratios before and after upper arm switching devices or lower arm switching devices are driven with the basic duty ratio are set as a basic duty ratio+α and a basic duty ratio−α, respectively. Gate drive signals, having the basic duty ratio and the prior and subsequent duty ratios, are supplied to the upper arm switching devices or to the lower arm switching devices, in order to turn on the upper arm switching devices or the lower arm switching devices. | 07-02-2009 |
20090173556 | Transport Means - The invention relates to transport engineering and can be used for transport means provided with control members embodied in the form of at least one pedal controllable by the right foot of a driver, in particular in tramways, trollyebusses and cars provided with an automatic or semiautomatic gearbox etc. The inventive transport means comprises drive control members embodied in the form at least of one pedal actuatable by the right foot of the driver of the transport means and an additional pedal actuatable by the left foot thereof. Said additional pedal is embodied in the form of a simulating pedal and is provided with a unit for producing a power load on the transport means driver's left foot when it interacts with the simulating pedal. Said invention makes it possible to improve the physiological conditions of the transport means driver by balancing the physical load applied to the lower limbs (right and left feet) of the transport means driver during the transport means control. | 07-09-2009 |
20090173557 | DEFINED INTERNAL COMBUSTION ENGINE OPERATION IN VEHICLES HAVING A HYBRID DRIVE - A method for setting operating states of an internal combustion engine, in particular an internal combustion engine of a hybrid drive. In addition to the internal combustion engine, the hybrid drive includes at least one electric drive, a hybrid coordinator and a control unit assigned to the internal combustion engine in which functions are implemented. The functions request operating states favorable to their running ability from the hybrid coordinator which performs a commensurate modification of the distribution of power between the internal combustion engine and the at least one electric drive. | 07-09-2009 |
20090183934 | POWER SUPPLY SYSTEM, VEHICLE PROVIDED WITH THE SAME, POWER SUPPLY SYSTEM CONTROL METHOD AND COMPUTER-READABLE RECORDING MEDIUM BEARING PROGRAM FOR CAUSING COMPUTER TO CONTROL THE POWER SUPPLY SYSTEM - First and second converters are connected in parallel to positive and negative lines, respectively. When a required power is smaller than a reference value, an ECU controls the first and second converters such that one of the first and second converters operates and the other stops. When the required power is equal to or larger than the reference value, the ECU controls the first and second converters such that both the first and second converters operate. | 07-23-2009 |
20090194347 | HYBRID VEHICLE WITH COMBUSTION ENGINE/ELECTRIC MOTOR DRIVE - A vehicle including a prime mover, a generator mechanically coupled to the prime mover, a first multi-input drive unit having at least first and second rotational inputs and at least one rotational output wherein the first rotational input is coupled to the prime mover, a first electric motor mechanically coupled to the second rotational input and electrically coupled to the generator and a first pair of vehicle drive wheels coupled to the rotational output. | 08-06-2009 |
20090200095 | Power output apparatus and vehicle - A hybrid vehicle includes: an engine that can output power to a drive gear; a CVT that can steplessly change the speed of power inputted to a primary shaft and output the power to a secondary shaft; a planetary gear mechanism including a sun gear connected to the secondary shaft, a ring gear that can rotate in a direction opposite to a rotational direction of the drive gear in conjunction with the drive gear, and a carrier connected to a carrier shaft; a clutch that connects and disconnects the drive gear to and from the primary shaft; a motor that can input and output power to the primary shaft; and a battery that can supply and receive electric power to and from the motor. | 08-13-2009 |
20090205888 | METHOD FOR OPTIMISING THE CONSUMPTION OF A HYBRID VEHICLE - The invention relates to a method for optimizing the consumption of a hybrid drive, especially a hybrid drive for a motor vehicle comprising an internal combustion engine provided with a plurality of cylinders and at least one electric engine, the internal combustion engine and the electric engine being operated in parallel in the hybrid mode. According to the invention, at least one cylinder is disconnected in the partial load range of the internal combustion engine, a variation in the internal combustion engine power and/or the internal combustion engine power requirement being at least partially compensated by the electric engine. | 08-20-2009 |
20090205889 | HYBRID VEHICLE SYSTEM HAVING ENGINE WITH VARIABLE VALVE OPERATION - A system for a vehicle, comprising of an internal combustion engine coupled in the vehicle, the engine having at least one cylinder with an intake and exhaust valve, where the opening and closing timing of the intake valve is adjustably retardable and the opening and closing timing of the exhaust valve is adjustably retardable, during engine operation, and an energy conversion device coupled in the vehicle capable of selectively supplying and absorbing torque during vehicle operation. | 08-20-2009 |
20090218151 | METHOD FOR OPERATING A HYBRID VEHICLE - A method is for operating a vehicle having a hybrid drive, in which the hybrid drive has an internal combustion engine and at least one electric motor as drive units, and the units cooperate with one another. To achieve a negative drivetrain setpoint torque, the negative drivetrain setpoint torque is applied by the electric motor, and the internal combustion engine is operated to the greatest extent possible outside its overrun mode. | 09-03-2009 |
20090236160 | Hybrid drive system - A hybrid drive system includes an input member connected to an engine; an output member connected to a wheel; a first rotating electric machine; a second rotating electric machine; a differential gearing; a controller that controls the first rotating electric machine and the second rotating electric machine; and an electric power supplier that supplies the first rotating electric machine and the second rotating electric machine with electric power. | 09-24-2009 |
20090242288 | Electric-powered vehicle and controlling method thereof - When a control apparatus determines, based on a signal, that an ignition key has been turned to the OFF position, the control apparatus outputs to an actuator an operation command of an informing apparatus based on the SOC of a main battery. The informing apparatus is disposed at a location where it can easily be seen by the driver when the driver has exited from the vehicle, and driven by the actuator. The informing apparatus changes its projection amount from the external surface of the vehicle or an angle relative to the external surface of the vehicle based on the SOC of the main battery. | 10-01-2009 |
20090242289 | System and Method of Differentiating Rotational Speed and Torque Between Wheels of a Hybrid Vehicle - A powertrain for propelling a hybrid vehicle includes a front drivetrain, for driving a pair of front wheels, and a rear drivetrain, for driving a first and a second rear wheel, to propel the hybrid vehicle. First and second rear drive motors are operatively connected to the rear wheels to propel the hybrid vehicle. Energy is transmitted from an energy storage device to power and operate each of the first and second rear drive motors. Likewise, during regenerative braking, energy is transmitted from each of the rear drive motors to recharge the energy storage device. The first rear drive motor is operated independent of the second rear drive motor to transmit torque to vector torque between each of the rear wheels and control dynamics of the hybrid vehicle. | 10-01-2009 |
20090242290 | DRIVE CONTROL DEVICE - A drive control device for a drive unit has a mechanical pump operated by a rotational driving force of a drive member drivingly connected with a drive power source, an electric pump that supplements the mechanical pump, and an electric pump driver that controls a drive current to a motor of the electric pump. The drive control unit is also provided with a driver temperature evaluation unit that evaluates a temperature of the electric pump driver, and an electric pump control unit that cuts off a power source of the electric pump driver if it is determined by the driver temperature evaluation unit during operation of the electric pump driver that a prescribed first warning state, which is a state pertaining to the temperature of the electric pump driver, has been reached. | 10-01-2009 |
20090242291 | ELECTRIC VEHICLE - To ensure that an energy supply operation can be performed safely and smoothly on a vehicle having a plurality of energy ports such as a charging port, charging ports for supplying electric energy to a high voltage battery and a fuel supply port for supplying fuel to a fuel tank are provided in a vehicle body as energy supply ports. The fuel supply port and charging ports are respectively provided with lid members that are switched between a closed state and an open state by respective lock mechanisms. When closure of one lid member is released, all of the other lid members are prohibited from being switched to the open state, and therefore the number of energy supply ports having an open lid member is limited to one. | 10-01-2009 |
20090250276 | HYBRID ELECTRIC VEHICLE AND METHODS OF PRODUCTION - Hybrid-electric vehicle are described herein and comprises: an electric motor, at least one battery pack, at least one capacitor bank, at least one generator, at least one engine, and a controller, wherein the controller is coupled to the at least one battery pack, the at least one capacitor bank and the at least one engine. Power systems are also disclosed, wherein the power systems include: at least one battery pack, at least one capacitor bank, at least one generator, and a controller, wherein the controller is coupled to the at least one battery pack, the at least one capacitor bank and the at least one generator. In addition, modified gear boxes are disclosed that include: an epicyclic roller arrangement and a control mechanism coupled to an output shaft. | 10-08-2009 |
20090250277 | Battery Equalization Using a Plug-In Charger in a Hybrid Electric Vehicle - In a hybrid electric motor vehicle , a power supply system for storing and supplying electrical power includes a motor-generator located onboard the vehicle, driveably connected to the vehicle wheels and producing AC electric power, an energy storage device for alternately storing and discharging electric power, an inverter coupled to the motor-generator and the energy storage device for converting alternating current produced by the motor-generator to direct current transmitted to the energy storage device, and for converting direct current stored in the energy storage device to alternating current transmitted to the motor-generator, an off board source of AC electric power located external to the vehicle, and a charger coupled to said electric power source and the energy storage device for supplying DC electric power to the energy storage device from said AC electric power source. | 10-08-2009 |
20090255743 | METHOD AND DEVICE FOR ADAPTING A CLUTCH IN A HYBRID DRIVE TRAIN OF A VEHICLE - A method for adapting torque characteristic in a disengaging clutch arranged in a vehicle hybrid drive train between an internal combustion engine and an electrical machine connected to a driven wheel, include the following steps: deciding the engine can be disconnected; switching the engine off and opening the clutch; detecting the time gradient of rotational speed of the engine with it switched off and the clutch opened; partially closing the clutch when rotational speed of the engine falls below a predetermined value, and detecting the time gradient of rotational speed of the engine with the clutch partially closed; determining the clutch torque transmitted by the partially closed clutch by evaluating detected time gradients of rotational speed of the engine; and adapting the characteristic of the clutch with the aid of the determined clutch torque transmitted by the partially closed clutch. | 10-15-2009 |
20090266630 | Maximum Output Setting Device, Driving Device Including the Maximum Output Setting Device, Power Output Apparatus Including the Driving Device, Motor Vehicle Mounted With the Power Output Apparatus, and Maximum Output Setting Method - A maximum current Imax is calculated on the basis of an open-circuit voltage Voc, a lower limit voltage Vcapmin, and an internal resistance Rcap of a capacitor and a first maximum output Wcouttmp | 10-29-2009 |
20090266631 | Charge/Discharge Control Device and Charge/Discharge Control Method for Power Storage Device, and Electric-Powered Vehicle - A maximum dischargeable current Idmax obtained when electric power output from a battery is increased from a battery current Ib and a battery voltage Vb at present under internal resistance R at present (an operating point | 10-29-2009 |
20090288896 | HYBRID VEHICLE - An HV-ECU continuously integrates period of no external charge as the time elapsed from latest external charging (last external charging). When ignition is turned on, a stored map is looked-up, and an SOC control center value that corresponds to the period of no external charge is obtained. Charge/discharge management of the power storage unit in HV running mode is executed based on the obtained SOC control center value. When the period of no external charge exceeds a prescribed threshold value, SOC control center value is increased to control center value. | 11-26-2009 |
20090294193 | In-vehicle device - A vehicle includes a motor, which is supplied with electricity from a battery and configured to drive a driving wheel. An event identifying unit identifies an event before the event occurs, the event indicating to decrease or increase a remaining capacity of the battery in the course of a driving operation of the vehicle or after completion of the driving operation. A control instruction unit provides an instruction to an external device for controlling an output power and a workload of the motor according to the identified event before the event ends at the latest. | 12-03-2009 |
20090294194 | Control system for hybrid vehicle - A hybrid vehicle comprises an engine | 12-03-2009 |
20090308674 | HYBRID POWERTRAIN AUTO START CONTROL SYSTEM WITH ENGINE PULSE CANCELLATION - A control system for a hybrid powertrain includes an engine start detector that detects when an engine of the hybrid powertrain is activated via an electric motor during an auto start. An electric motor speed monitor determines a first speed of the electric motor for a first time and a second speed of the electric motor for a second time after detection of the engine in an active state. A control module determines a rate of change in speed of the electric motor based on the first speed and the second speed. The control module adjusts torque output of the electric motor during startup of the engine and based on the rate of change in speed. | 12-17-2009 |
20090314563 | POWER MANAGEMENT SYSTEM FOR A VEHICLE, METHOD FOR MANAGING VEHICLE POWER AND METHOD FOR INSTALLING A VEHICLE POWER MANAGEMENT SYSTEM - A power management system is provided for a vehicle having an internal combustion engine adapted to deliver power to vehicle drive wheels for propelling the vehicle and an engine powered component powered by the engine. The system includes a battery, a battery powered component powered by the battery, the battery powered component and the engine powered component being adapted to perform substantially the same functions, and a controller arranged to stop operation of the engine powered component so that additional engine power is available to the drive wheels, and to initiate operation of the battery powered component, when power sought to be delivered to the vehicle drive wheels from the engine reaches a predetermined percentage of maximum engine load. | 12-24-2009 |
20090321163 | Power Supply Device, Input-Output Limit Setting Method in Power Supply Device, Vehicle, and Vehicle Control Method - When a time average of square values of charge-discharge current Ib (square mean value Sqib) exceeds a predetermined reference value Sqref and when state of charge SOC of a battery is higher than a preset reference level SOCref | 12-31-2009 |
20090321164 | PLUG-IN HYBRID ELECTRIC VEHICLE - A method of operating a vehicle propulsion system including a motor and an engine, the method comprising of producing a motor output by selectively operating the motor to consume electrical energy stored on-board the vehicle, the motor driving the vehicle; producing an engine output by selectively operating the engine to consume fuel stored on-board the vehicle; and increasing consumption of the fuel by the engine by operating the engine based on a residence time of the fuel stored on-board the vehicle and further based on a profile of ambient conditions over the residence time. | 12-31-2009 |
20100000812 | Motor Vehicle Having a Hybrid Drive, and Method for Operating a Hybrid Drive - A method for operating a motor vehicle having a hybrid drive, including a combustion engine having an engine management and at least one electro machine having a control unit, which is at least intermittently operated in an rpm-regulated manner and which is able to be in operative connection with a drive shaft of the combustion engine. For the closed-loop speed control of the electro machine, its torque is influenced by its rotational speed or a signal derived therefrom. | 01-07-2010 |
20100000813 | Hybrid Drive Having Emergency Start Capability - A method is provided for starting an internal combustion engine of a vehicle having a hybrid drive which includes at least one electric drive to which a high-voltage battery is assigned. If the high-voltage battery is discharged, an on-board electrical system battery of the vehicle is connected to a pulse-controlled inverter which activates the at least one electric drive; the at least one electric drive is accelerated load-free to a maximum rotational speed achievable at the applied voltage; the pulse-controlled inverter is disconnected from the on-board electrical system battery; and a clutch is engaged between the at least one electric drive and the internal combustion engine. | 01-07-2010 |
20100000814 | POWER OUTPUT APPARATUS, VEHICLE EQUIPPED WITH POWER OUTPUT APPARATUS, AND CONTROL METHOD OF POWER OUTPUT APPARATUS - In a 2-motor drive mode with connection of both motors to a driveshaft by means of a transmission, a hybrid vehicle sets torque commands of the motors to make a work performed by the second motor substantially equal to a work performed by the first motor and to ensure output of a torque equivalent to a preset torque demand to the driveshaft. This arrangement connects both motors to the driveshaft by means of the speed change-transmission assembly and ensures continuous output of a relatively large torque. | 01-07-2010 |
20100006358 | HYBRID VEHICLE AND CONTROL METHOD THEREOF - When an accelerator opening Acc is equal to or more than a threshold value A | 01-14-2010 |
20100012409 | DRIVE MODULES FOR VEHICLES - An oil cooled electric drive module for hybrid vehicles includes an AC motor assembly having a shaft parallel to an output shaft, with the shafts being interconnected by a set of helical reduction gears. The motor shaft is provided with a rotary union for cooling oil that passes first axially and then radially through the shaft to an outer circumferential surface thereof beneath the core of a rotor attached thereto. The cooling oil passes beneath the rotor to the outer ends thereof, where annular deflectors disburse the oil to provide a coanda effect over the shorting rings of the rotor, onto the stator windings, and thence onto the motor housing for return to a cooling sump, which may include hydraulic and electric pumps for further desired cooling circulation. The invention also includes solenoid valves for shifting a splined collar between positions of interconnection and disconnection between the motor shaft and output shaft. The module of the invention is adapted for interpositioning within the drive shaft of a motor vehicle, with the output shaft of the module being connected at opposite ends to the vehicle drive shaft. The module is employed in various drive systems employing segmented shafts and multiple gear ratio clutch and gear assemblies. The clutch assemblies are of the dog type, and are spring loaded with a neutral position, hydraulic cushioning and synchronized control. The clutch assemblies operate for various interconnections between the various segments of a drive shaft and the shafts of one or more motor/generators. | 01-21-2010 |
20100018790 | METHOD FOR OPERATING A DRIVETRAIN - The invention concerns a method for operating a drivetrain ( | 01-28-2010 |
20100025135 | VEHICLE HAVING AT LEAST ONE ELECTRIC MACHINE WHICH CAN BE OPERATED AS A GENERATOR - A vehicle has at least one electric machine that can be operated as a generator, an electrical energy accumulator and a control unit for controlling the at least one electric machine and the electrical energy accumulator. The control unit operates so that in a recovery phase the vehicle can be decelerated by the generator load of the electric machine operated as a generator ( | 02-04-2010 |
20100032219 | Travel Drive System for Work Vehicle, Work Vehicle, and Travel Drive Method - A travel drive system for a work vehicle includes: an HST drive device comprising a hydraulic pump driven by a prime mover and a hydraulic motor connected to the hydraulic pump by a closed circuit; an electric motor driven by using electric power generated by drive of the prime mover; a first drive wheel driven by the HST drive device; a second drive wheel driven by the electric motor; a vehicle speed detector that detects a vehicle speed; and a control unit that distributes output of the prime mover to the HST drive device and to the electric motor such that, as the vehicle speed detected by the vehicle speed detector increases, a proportion of a first power distributed to the HST drive device decreases and a proportion of a second power distributed to the electric motor increases. | 02-11-2010 |
20100038158 | HYBRID VEHICLE AUTO START SYSTEMS AND METHODS - A control system for an engine includes an engine control module (ECM) that operates in a first mode and a second mode. The ECM generates an idle speed signal and a transmission load signal that is based on an idle speed of the engine. The hybrid control module (HCM) increases electric motor torque to increase a current speed of the engine based on the idle speed signal and the transmission load signal. The HCM controls the current speed when in the first mode. The ECM controls the current speed when in the second mode. The HCM transfers control of the current speed to the ECM when at least one of the current speed matches the idle speed and a combustion torque output of the engine is equal to a requested crankshaft output torque. | 02-18-2010 |
20100038159 | VEHICLE AND CONTROL METHOD THEREOF - In a hybrid vehicle | 02-18-2010 |
20100044131 | CONTROL APPARATUS AND CONTROL METHOD FOR HYBRID VEHICLE - A vehicle includes a charging unit for externally charging a power storage unit with electric power received from an external power supply, and an electric power generation unit capable of generating electric power from drive force received from an engine. The power storage unit is configured to be internally chargeable with electric power received from the electric power generation unit. The vehicle travels in selected one of EV priority mode restricting internal charging of the power storage unit and HV priority mode controlling internal charging such that a state of charge of the power storage unit is kept within a predetermined range. When a predetermined operating condition is satisfied while the vehicle is traveling, a control apparatus generates an operation request to the engine. The control apparatus changes the operating condition of the engine depending on whether the mode is EV priority mode or HV priority mode. | 02-25-2010 |
20100051366 | METHOD FOR CONTROLLING ENERGY IN THE TRACTION CHAIN OF A HYBRID VEHICLE AND HYBRID VEHICLE - The invention relates to a method comprising: during a first step ( | 03-04-2010 |
20100051367 | CONTROL APPARATUS AND CONTROL METHOD FOR HYBRID VEHICLE - The present invention is directed to solve the problem of generation of overdischarging from a power storage device according to compensation for reduction in electrical power generated by an MG | 03-04-2010 |
20100065357 | VEHICLE AND CONTROL METHOD OF VEHICLE - The charge-discharge power demand is set to the charging power, when the state of charge of the battery is less than the reference value or when the state of charge of the battery is more than or equal to the reference value and less than the reference value while the vehicle power demand is less than reference value. The charge-discharge power demand is set to the discharging power, when the state of charge of the battery is more than or equal to the reference value or when the state of charge of the battery is more than or equal to the reference value and less than the reference value and while the vehicle power demand is more than or equal to the reference value. The charge-discharge power demand is set without change in value to the last set the charge-discharge power demand, when the state of charge of the battery is more than or equal to the reference value and less than the reference value while the vehicle power demand is more than or equal to the reference value and less than the reference value. The engine and the motors are so controlled as the battery is charged or discharged with the charge-discharge power demand and the vehicle is driven with vehicle power demand. | 03-18-2010 |
20100065358 | Electric Traction Retrofit - A drive train includes an internal combustion engine (“ICE”) coupled to a transmission having a power takeoff port. A transfer device couples an electric motor to the transmission via the port. The electric motor is enabled in a certain configuration to selectively power the drive train during at least certain intervals when the ICE is powered off. | 03-18-2010 |
20100071973 | METHOD OF CONTROLLING HYBRID CONSTRUCTION MACHINE AND HYBRID CONSTRUCTION MACHINE - A method of controlling a hybrid construction machine capable of preventing a system from being rendered inoperative without increasing a capacitance of a capacitor and of inhibiting delay of a swing operation relative to an operation command at the time of swing operation, and the hybrid construction machine are provided. For this purpose, at the time of discharge of the capacitor, actual torque command values are respectively generated by referring to an assist torque limit value corresponding to capacitor voltage of a generator motor and a swing power running torque limit value corresponding to the capacitor voltage of a swing motor, as well as, at the time of charge of the capacitor, an actual target output value of the generator motor is generated. | 03-25-2010 |
20100071974 | POWER UNIT - A power unit includes: an energy dispensing/synthesizing system in which a first body of rotation is connected to an output shaft of a prime mover and a second body of rotation is connected to a driven unit via a first power transmission path; a first power transmission system selectively operable between an operating state for enabling power transmission in the first power transmission path and an operating state for disconnecting the power transmission; a second power transmission path connecting between the output shaft of the prime mover and the driven unit; and a second power transmission system selectively operable between an operating state for enabling power transmission in the second power transmission path and an operating state for disconnecting the power transmission, wherein an auxiliary device is connected to a second body of rotation of the energy dispensing/synthesizing system. | 03-25-2010 |
20100101880 | HYBRID DRIVING APPARATUS, VEHICLE WITH THE SAME AND CONTROL METHOD OF THE SAME - For raising an MG2 rotational speed MRN | 04-29-2010 |
20100108419 | SYSTEM, VEHICLE, AND METHOD - A power system is provided that includes a first voltage bus, a traction motor configured to generate electrical power during a regenerative braking mode and to supply the generated electrical power to the first voltage bus, and an auxiliary system coupled to the first voltage bus. The auxiliary system comprises a second voltage bus and a power interface unit coupling the first voltage bus to the second voltage bus. The auxiliary system also comprises an energy storage device coupled to the second voltage bus and configured to store energy supplied to the second voltage bus and configured to supply stored energy to the second voltage bus and an auxiliary load configured to receive power based on power in the second voltage bus. | 05-06-2010 |
20100133029 | System and Method for Initiating Operation of a Fuel Cell Hybrid Vehicle - The present disclosure provides a method and system for powering a hybrid electric vehicle with a fuel cell, and in particular, efficiently initiating power generation in the fuel cell, the method and system comprising electrically connecting a battery to an ultracapacitor-based propulsion energy storage; using the battery to charge the propulsion energy storage to a predetermined voltage level for powering an air delivery compressor for a predetermined amount of time; disconnecting the battery from the propulsion energy storage; electrically connecting the propulsion energy storage to the air delivery compressor; operating the air delivery compressor using the charge on the propulsion energy storage to provide a predetermined quantity of air to the fuel cell; and causing the fuel cell to generate electricity. | 06-03-2010 |
20100147610 | POWER OUTPUT APPARATUS, HYBRID VEHICLE WITH THE SAME, AND CONTROL METHOD OF POWER OUTPUT APPARATUS - When a predetermined change speed state shift condition is satisfied while the transmission connects a carrier with a drive shaft, a hybrid vehicle performs a rotational speed adjustment process of conforming a rotational speed of a motor to a target rotational speed based on a gear ratio of the transmission and a rotational speed of the drive shaft, a connection a sun gear with the drive shaft by a gear train of the transmission corresponding to a target speed, a power transfer process of transferring power between the motors in a simultaneous engagement state to make the motors output power required in a post-change speed state corresponding to a target speed, and a disconnection the carrier from the drive shaft. | 06-17-2010 |
20100170733 | CONTROL METHOD OF A HYBRID DRIVE ASSEMBLY FOR VEHICLES AND A HYBRID DRIVE ASSEMBLY USING SAID METHOD - The present invention relates to a management method of the functioning mode of a hybrid drive assembly for vehicles, in particular scooters, and a hybrid drive assembly, comprising at least one internal combustion engine and an electric machine, using the method. The method according to the invention comprises the phases of determining a desired torque and a vehicle state on the basis of a set of received input parameters and/or commands and is characterized in that it comprises the phases of operating the internal combustion engine so that it does not provide torque and operating the electric machine so that it functions as generator for charging an accumulator, when the torque requested is negative; operating the internal combustion engine and/or the electric machine so as to satisfy the required torque, and/or bring the accumulator to a pre-established charge level and/or run the internal combustion engine under maximum efficiency regime conditions, when the torque required is positive and lower than the maximum torque which can be supplied by the internal combustion engine; and operating the internal combustion engine and/or the electric machine with the supply of a propulsive torque so as to satisfy the torque required, when the desired torque is positive and higher than the maximum torque which can be supplied by the internal combustion engine. Furthermore, when requested by the pilot and in accordance with the charge level of the batteries, the control method switches off the internal combustion engine and drives the electric engine only so as to supply the torque requested. | 07-08-2010 |
20100175938 | METHOD FOR OPERATING A DRIVE DEVICE, AND A DRIVE DEVICE - A method for operating a drive device of a vehicle, in particular a motor vehicle, which has an internal combustion engine, at least one electric machine, and at least one heatable electric accumulator, in particular a lithium ion battery, power being drawn from the electric accumulator for starting the internal combustion engine with the aid of the electric machine. It is provided that, after the start of the internal combustion engine and until the heated electric accumulator reaches a predefined minimum temperature, the electric accumulator is operated without load. Furthermore, a drive device for a vehicle, in particular for carrying out the above-described method is provided. | 07-15-2010 |
20100187030 | Energy Management System and Method for Hybrid Electric Vehicles - An energy management system includes a first energy source having a first well-to-wheels greenhouse gas emissions content, a second energy source having a second well-to-wheels greenhouse gas emissions content and a drive mechanism powered by the first energy source and the second energy source. The drive mechanism is powered by the first energy source when the first well-to-wheels greenhouse gas emissions content is less than the second well-to-wheels greenhouse gas emissions content and the drive mechanism is powered by the second energy source when the second well-to-wheels greenhouse gas emissions content is less than the first well-to-wheels greenhouse gas emissions content. | 07-29-2010 |
20100187031 | MODULAR AUXILIARY POWER UNIT ASSEMBLY FOR AN ELECTRIC VEHICLE - A system and method for a propulsion system includes an electric motor and an energy storage unit configured to supply a primary power to the electric motor. The propulsion system also includes a plurality of auxiliary power units (APUs) configured to supply a secondary power to at least one of the electric motor and the energy storage unit. Each of the plurality of APUs includes a free-piston engine configured to generate a mechanical output, a linear generator configured to transform the mechanical output to an electrical power, and a controller. The controller receives a power command from the electric motor and/or the energy storage unit, determines an amount of secondary power needed to meet the power command, and selectively activates a number of the plurality of APUs to generate the needed amount of secondary power. | 07-29-2010 |
20100193270 | HYBRID ELECTRIC PROPULSION SYSTEM - A hybrid electric propulsion system for a vehicle. The system includes an internal combustion engine ( | 08-05-2010 |
20100200318 | METHOD FOR CARRYING OUT A TRACTIVE-FORCE INTERRUPTED SHIFTING IN A PARALLEL HYBRID VEHICLE - A method of carrying out a shift operation with traction force interruption during hybrid operation when the electric machine has failed or the energy accumulator is full in a parallel hybrid vehicle having an automated transmission. During an upshift, the power inverter, connected to the electric machine, is actuated with an active short-circuit whereby a torque is generated, at the electric machine, which is used for synchronizing the transmission input. | 08-12-2010 |
20100236850 | Method and apparatus for adding electric auto function to a gas-driven auto - The operating shaft of an auto radiator fan is adapted for connection with an electric motor whereby the electric motor rotates the operating shaft, per se, to provide rotation to the auto drive shaft. A control circuit is arranged for connecting the supplemental battery with the electric motor when the auto is driven and disconnecting the supplemental battery from the electric motor when the auto is parked, slowing down and stopping. | 09-23-2010 |
20100236851 | CONTROL OF A STARTER-ALTERNATOR DURING A HIGH-VOLTAGE BATTERY FAULT CONDITION - A method sustains auxiliary power generation aboard a mild hybrid electric vehicle (HEV) in response to a high-voltage (HV) electrical fault condition and executes one of a pair of default limp-home modes depending on the state of the engine at the time of the fault. Each limp-home mode sustains auxiliary power generation during the fault, and at least one mode charges capacitors in the HV bus circuit to provide magnetizing current to a motor generator unit (MGU). An HEV includes a controller and algorithm for sustaining auxiliary power generation during the above fault condition, with the algorithm adapted to control output of an auxiliary power module (APM) and execute one of a pair of default limp-home modes, including a mode in which the APM charges the capacitors to enable a power inverter module (PIM) to provide an initial excitation current to the MGU after the starter motor restarts the engine. | 09-23-2010 |
20100258370 | VEHICLE WITH HYBRID POWERTRAIN - A hybrid vehicle is provided with an engine, as well as a transmission having a motor/generator, a stationary member, and a planetary gear set. The engine and the motor/generator are separately selectively connectable to one of the drive axle assemblies by engagement of different ones of the torque-transmitting mechanism to transfer torque to that drive axle assembly. One or both of the engine and the motor/generator is also selectively connectable to the other drive axle assembly by engagement of another one of the torque-transmitting mechanisms to transfer torque to the other of drive axle assembly. | 10-14-2010 |
20100282532 | Method For Operating A Drive Device Of A Hybird Vehicle - In a method for operating a drive device of a hybrid vehicle, in particular a hybrid motor vehicle, having at least one internal combustion engine and at least one electric machine, the torques of the internal combustion engine and the electric machine are added. A torque/torque component which, with respect to a request, is not deliverable by the internal combustion engine because of the system-related inertia of the internal combustion engine, is compensated at least partially by a torque/torque component delivered by the electric machine. | 11-11-2010 |
20100288570 | TANDEM DUAL PUMPS FOR A HYBRID PROPULSION SYSTEM - A hybrid propulsion system and a method of controlling same are provided. The hybrid propulsion system includes an internal combustion engine having a fluid lubrication and control system. The hybrid propulsion system also includes an engine oil pump arranged externally with respect to the engine and configured to maintain fluid pressure to the lubrication and control system when the internal combustion engine is shut off. Additionally, the hybrid propulsion system includes a motor/generator and a transmission in operable communication with the internal combustion engine. The transmission includes a transmission oil pump arranged externally with respect to the transmission and configured to maintain fluid pressure to the transmission when the engine is shut off. Furthermore, the hybrid propulsion system includes an auxiliary motor driving the externally arranged engine oil pump and the externally arranged transmission oil pump. | 11-18-2010 |
20100326754 | METHOD OF HYBRID VEHICLE ENGINE START USING STORED KINETIC ENERGY - A system and method for starting an engine on a hybrid vehicle includes a motor and an engine coupled to the motor using a clutch. An electrical energy storage device is operatively connected to the motor. The engine is started by decoupling the motor from the engine, and supplying electrical energy from an electrical energy storage device to operate the motor until the motor attains a predetermined speed. The motor is coupled to the engine to transfer kinetic energy from the motor to the engine, and the transferred kinetic energy is used to start the engine. | 12-30-2010 |
20110000726 | VEHICLE AND SYSTEM FOR CHARGING THE SAME - Provided is a practical plug-in hybrid vehicle or an electric vehicle as well as a charge system, a fuel consumption measurement system, and an environment protection system for the vehicles. The charge system includes an electric power source charging a vehicle having a battery, a power supply unit for supplying electric power from the electric power source to the vehicle, and a power cable communication unit for performing power cable communication concerning the vehicle and the charging via the power supply unit. The vehicle includes a fuel tank for receiving oil from outside, a storage unit for storing oil supply information, a power source which consumes the fuel in the fuel tank and provides a travel power, a travel distance information acquisition unit, and a control unit which automatically calculates the fuel consumption according to the oil supply information in the storage unit and the travel distance information in the travel distance acquisition unit. | 01-06-2011 |
20110100739 | CONTROL SYSTEM FOR A HYBRID PROPULSION UNIT FOR RECHARGING A BATTERY - A control system for a hybrid propulsion group with power bypass for an automobile including at least two driving wheels. The system includes a thermal engine, a battery, a braking system for the driving wheels, a mechanism detecting a condition of the braking system, and an infinitely variable transmission including at least two electric machines and at least two epicyclic gear chains. The thermal engine is mechanically connected with the infinitely variable transmission via a first epicyclic gear chain, the infinitely variable transmission being mechanically connected to the driving wheels via a second epicyclic gear chain. The control system is capable of controlling the thermal engine and the two electric machines so that torque supplied by the thermal engine is converted into energy by the two electric machines used as generators for recharging the battery after receiving a signal from the mechanism detecting the condition of the braking system indicating the braking system is activated. | 05-05-2011 |
20110108340 | Power Storage Device For Hybrid Or Electric Motor Vehicles, And Associated Electric Power Management Method - The invention essentially relates to an electric power storage device ( | 05-12-2011 |
20110120790 | METHOD FOR OPERATING A DRIVE TRAIN - A method for operating a drive train of a motor vehicle comprising a hybrid drive including a combustion engine and electric motor, a clutch connected between the engine and motor, a transmission arranged between the hybrid drive and a drive output, and a transmission starting element. The method comprises the steps of engaging the clutch, from its fully disengaged condition, into a slipping condition and disengaging the starting element, starting from a fully engaged condition, into a slipping condition. Once the engine begins rotation, the clutch is maintained in the slipping condition until the rotational speeds of the engine and the motor correspond with one another. Then the clutch is completely engaged; the transmission starting element, from the slipping condition, is completely re-engaged when a difference between the drive output speed and the engine or electric motor speed reaches or exceeds a specified value. | 05-26-2011 |
20110139524 | METHOD AND DEVICE FOR CONTROLLING A DRIVE TRAIN OF A VEHICLE - A method and a device for controlling a drive train of a vehicle, in particular a hybrid vehicle, are described. The drive train includes at least two drive units. The one drive unit is an internal combustion engine, the other is an additional motor. A temperature value is recorded, which represents the exhaust-gas temperature of the internal combustion engine. The component for generating the drive torque with the aid of the additional motor is adjusted as a function of the exhaust-gas temperature, such that at higher exhaust-gas temperatures a greater component of the drive torque is generated with the aid of the additional motor than at lower exhaust-gas temperatures. | 06-16-2011 |
20110186369 | METHOD AND DEVICE FOR STARTING THE MOVEMENT OF A HYBRID VEHICLE - A method for starting the movement of a hybrid vehicle, which has a first and a second drive unit, the first drive unit being disposed on a first sub-transmission of a twin-clutch transmission having two sub-transmissions. In order to avoid rolling backwards when starting to move the hybrid vehicle in an attempt to start the movement using the first drive unit, the second drive unit is started when starting the movement of the hybrid vehicle using the first drive unit, without interrupting the stress applied on the drive train comprising the twin-clutch transmission. | 08-04-2011 |
20110198141 | HYDRAULIC ELECTRIC HYBRID DRIVETRAIN - A vehicle is provided with an engine connected to a hydraulic pump in fluid communication with a hydrostatic drive system and at least one of a plurality of traction devices connected to a hydrostatic drive motor. The vehicle also has a battery coupled to an electric machine coupled to at least one of the remaining plurality of traction devices. The electric machine acts as a motor to propel the vehicle or a generator to charge the battery. A vehicle is provided with a hydraulic drive system and an electric drive system each operably connected to a fraction device. Power may be transferable from the first drive system to the second drive system by way of ground coupling between the traction devices. | 08-18-2011 |
20110232980 | CONTROL DEVICE OF HYBRID VEHICLE - A control device of a hybrid vehicle, configured with an engine; a motor that rotates together with the engine at least during traveling by using a driving force of the engine, and a speed change mechanism that shifts rotation of the engine and the motor to transmit the shifted rotation to a driving wheel. A zero torque control unit controls output torque of the motor to zero torque when a rotational speed of the motor reaches a predetermined rotation speed or more by driving rotation of the engine, and a motor temperature detection unit that detects a temperature of the motor. A motor protection control units that reduces a rotational speed of the engine when the temperature of the motor reaches an upper threshold value or more while the motor is being rotated at the predetermined rotational speed or more by the driving rotation of the engine. | 09-29-2011 |
20120186889 | HYBRID CONSTRUCTION MACHINE - Provided is a hybrid construction machine capable of facilitating the hybridization (conversion, redesigning, etc. into a hybrid construction machine) even for construction machines of the minimal tail swing radius type or the minimal swing radius type. A hybrid mini-shovel of the minimal tail swing radius type comprises an engine, a hydraulic pump whose input shaft is coaxially connected to the output shaft of the engine, a generator/motor whose rotating shaft is connected to the output shaft of the engine and the input shaft of the hydraulic pump via a gear mechanism, and a battery which receives and supplies electric power from/to the generator/motor. The generator/motor is placed at a vertical position where its lower end is situated above the shaft center of the input shaft of the hydraulic pump, and when viewed from above at a horizontal position where it overlaps with the hydraulic pump. | 07-26-2012 |
20120234614 | ELECTRIC VEHICLE WITH RANGE-EXTENDING ENGINE AND CLIMATE CONTROL COMPRESSOR - A vehicle includes a vehicle body, a first motor disposed within the vehicle body, a second motor disposed within the vehicle body, and an engine removably disposed on the vehicle body and configured to selectively provide torque to the first motor when disposed on the vehicle body. A climate control compressor is disposed within the vehicle body and is selectively coupled to the first motor. A controller is configured to control the coupling of the climate control compressor to the first motor and to control the coupling of the engine to the first motor. The first motor is configured to generate electrical energy to operate the second motor when coupled to the engine. The controller is further configured to control operation of the engine. | 09-20-2012 |
20120267179 | HYBRID VEHICLE WITH MULTIPLE ENERGY SUB-SYSTEMS - A hybrid vehicle includes a frame, at least two wheels carried by the frame, an internal combustion subsystem driving at least one of the two wheels, an electrical subsystem driving at least one of the two wheels and recapturing kinetic energy during deceleration events, a pneumatic subsystem driving at least one of the two wheels and recapturing kinetic energy during deceleration events, and a control subsystem selectively operating the internal combustion, electrical and pneumatic subsystems. | 10-25-2012 |
20120273288 | HYBRID VEHICLE - A hybrid vehicle is capable of running using an engine and a motor as drive sources and includes an exhaust turbine to be driven and rotated by exhaust of the engine, a generator which generates power by being driven and rotated by the exhaust turbine, and a power supply unit which supplies electric power generated by the generator to the motor. | 11-01-2012 |
20140000971 | HYBRID VEHICLE AND ASSOCIATED ENGINE SPEED CONTROL METHOD | 01-02-2014 |
20160032563 | WORK VEHICLE AND CONTROL METHOD FOR SAME - A control unit has a connection determining unit and a motor switch control unit. The connection determining unit determines whether assistance from a third motor is required or not. The third motor is set to a connected state when the connection determining unit determines that assistance from the third motor is required. The motor switch control unit controls the motor switching mechanism so that the third motor is set to a disconnected state when the connection determining unit determines that assistance from the third motor is not required. | 02-04-2016 |
20160082941 | DRIVING DEVICE FOR HYBRID VEHICLE - Provided is a driving device for a hybrid vehicle including a differential mechanism, a first rotating machine and a second rotating machine connected to the differential mechanism, and an engine connected to a predetermined rotating element of the differential mechanism via a clutch, in which torque control for the first rotating machine and the clutch is executed until a rotation speed of the predetermined rotating element reaches a target rotation speed in a case where the engine is started in a state where the clutch is released and a differential torque between torque balanced with a torque command value with respect to the clutch and a torque command value with respect to the first rotating machine is within a predetermined range during the torque control. | 03-24-2016 |
20160152128 | Hybrid Vehicle | 06-02-2016 |
20170232951 | HYBRID VEHICLE | 08-17-2017 |