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| Number | Title | Issue Date |
| 7419020 | Electrical energy system in a hybrid car An electrical energy system (1) in a hybrid car comprises an electrical motor (3), a capacitor (4) and a battery (5). The capacitor (4) is connected electrically to the electrical motor (3) and the capacitor (4) is sw... | 09/02/2008 |
| 7407027 | Driving force control apparatus and method for automotive vehicle In driving force control apparatus and method for an automotive vehicle, an internal combustion engine drives mainly driven wheels of the vehicle, a generator is driven by the internal combustion engine, a motor is driven by a power of the generator, the motor is ca... | 08/05/2008 |
| 7398845 | Controller and control method for a hybrid electric vehicle powertrain A parallel hybrid electric vehicle powertrain and control method wherein an internal combustion engine and an electric motor system define a split power operating mode, a generator drive mode and a parallel power mode. Provision is made, when the motor is inoperable... | 07/15/2008 |
| 7398844 | Hybrid vehicle A battery and a capacitor having a large capacity correspond to a power storage device for storing power used by a motor generator MG2. A controller detects state of charge of the battery and of the capacitor. When the driver issues an instruction requesting ... | 07/15/2008 |
| 7389838 | Hybrid powered vehicle Load sharing rates of an internal combustion engine and an electric motor of a hybrid powered vehicle are definitely controlled to improve fuel efficiency of the vehicle during an auxiliary running with using power of the electric motor together with power of the in... | 06/24/2008 |
| 7353897 | Telematic method and apparatus with integrated power source Telematic method and apparatus adaptively uses fuel cell power source in vehicle with integrated power system, electrical system, telematic system, and body/powertrain system. Telematic communications systems including internet, digital video broadcast entertainment... | 04/08/2008 |
| 7328096 | Driving force switching control apparatus A driving force switching control apparatus in a vehicle which runs by two-wheel drive or four-wheel drive in accordance with the running state. The apparatus includes a device for determining whether the vehicle runs at a constant speed; and a device for determinin... | 02/05/2008 |
| 7258183 | Stabilized electric distribution system for use with a vehicle having electric assist A stabilized electric distribution system for use in a vehicle having electric assist. The system electrically couples an electric assist bus to an accessory load bus while protecting the first electrical bus from electric assist and regenerative braking induced vol... | 08/21/2007 |
| 7240749 | Hybrid electric vehicle with variable displacement engine A hybrid electric vehicle 10 having a propulsion system 12 which integrates a motor-generator 14 and a variable displacement internal combustion engine 16. Motor-generator 14 and engine 16 are each operatively coupled to dri... | 07/10/2007 |
| 7234552 | Method for heating a battery in a hybrid electric vehicle A method for heating a battery in a hybrid electric vehicle. The hybrid electric vehicle has an engine, a battery, a motor generator powered by the engine or the battery, and a control module. The method includes the steps of determining a battery temperature and de... | 06/26/2007 |
| 7216729 | Method and system of requesting engine on/off state in a hybrid electric vehicle A method and system of engine start/stop control for a HEV that monitors the battery and requests a specific engine state based on condition of the battery. A battery parameter such as discharge power limit (DPL) or state of charge (SOC) is compared with a set of th... | 05/15/2007 |
| 7210546 | Controller and control method for a hybrid electric vehicle powertrain A parallel hybrid electric vehicle powertrain and control method wherein an internal combustion engine and an electric motor system define a split power operating mode, a generator drive mode and a parallel power mode. Provision is made, when the motor is inoperable... | 05/01/2007 |
| 7147072 | Method and apparatus for providing hybrid power in vehicle A hybrid powertrain system includes a combustion engine, a battery buffer for storing electric energy by converting it onto chemical energy, which can be converted back into electrical energy when need, a fuel cell unit having multiple fuel cells each of which is an... | 12/12/2006 |
| 7134516 | Method for setting a desired operating condition of a hybrid drive for a vehicle A method is described for adjusting a setpoint operating state of a hybrid drive in a motor vehicle, the hybrid drive including an internal combustion engine and at least two electric motors as the drive motors, and the output shafts of the drive motor being capable... | 11/14/2006 |
| 7117964 | Control system for a hybrid electric vehicle powertrain A control system for a hybrid powertrain for a hybrid electric vehicle with an internal combustion engine and an electric drive system including an electric motor, a battery and a generator. The control system includes a system controller that monitors actual batter... | 10/10/2006 |
| 7073615 | System and method for operating an electric motor by limiting performance A method and system for limiting motor performance in a hybrid electric vehicle system. During a condition in a primary drivetrain, the method limits performance of an electric motor used in an auxiliary drivetrain to control energy consumed from a battery in the au... | 07/11/2006 |
| 7059435 | Control apparatus for hybrid vehicle An object is to improve fuel consumption efficiency while maintaining a desired driving force. Accordingly, in a case where an assisting possibility of a motor M is increased accompanying a relatively high state of charge SOC of a battery (YES side in step S02 | 06/13/2006 |
| 6701880 | Method and apparatus for starting a motor vehicle 15 A method and an assembly 61 for use with a vehicle 10 having a high voltage battery 42 and an internal combustion engine 12 of the type having a selectively rotatable crankshaft 13 After the high voltage battery 42 receives a donor charge, the assembly... | 03/09/2004 |
| 6702052 | Control apparatus for hybrid vehicles A control apparatus of a hybrid vehicle is provided, capable of charging the battery device when the state of charge of the battery device tends to decrease and the initial state of charge of the battery device is reduced by a predetermined amount. The pr... | 03/09/2004 |
| 6701229 | Vehicle drive system A vehicle drive system includes a power generation device (150) which generates power using fuel, a battery (112) which stores the power generated by the power generation device, and a rotating machine (113) which drives the vehicle using the power suppli... | 03/02/2004 |
| 6697717 | Hybrid car A navigation system of a hybrid car retrieves a route to detect whether any restricted area forbidden for automobiles that emit exhaust gases is on the route or not. Before the hybrid car arrives at the restricted area, an electric motor is driven by a ga... | 02/24/2004 |
| 6696815 | Secondary battery control device and control method A motor-generator is connected to a secondary battery via an inverter. The inverter is controlled by a hybrid (HV) ECU. A voltage sensor detects a voltage of each block of the secondary battery. A current value of the secondary battery is detected by a cu... | 02/24/2004 |
| 6691809 | Power output apparatus, motor vehicle including power output apparatus and control methods thereof At a time of backward movement, a ring gear shaft, and thus a front axle, is disconnected from a planetary gear by a clutch, and a carrier and a ring gear, and thus, a crank shaft and a sun gear shaft, are connected to each other by the clutch, whereby a ... | 02/17/2004 |
| 6694232 | Control device for hybrid vehicle A control device for a hybrid vehicle which comprises an engine and a motor-generator that is capable of generating electrical power as power sources, and in which the power of at least one of the engine and the motor-generator is transmitted to an output... | 02/17/2004 |
| 6692405 | Power transmission apparatus for an automobile Disclosed is a power transmission apparatus for an automobile comprising an engine 1, a generator 15 driven by an output of the engine 1, and a motor 29 driven by a generation output of the generator 15 and a discharge output of a battery 47, wherein a cl... | 02/17/2004 |
| 6691807 | Hybrid electric vehicle with variable displacement engine A hybrid electric vehicle 10 having a propulsion system 12 which integrates a motor-generator 14 and a variable displacement internal combustion engine 16. Motor-generator 14 and engine 16 are each operatively coupled to drive train 17 of vehicle 10, and ... | 02/17/2004 |
| 6677725 | Power source system for vehicle A power source system for a vehicle includes a generator for producing a power. The system includes a first battery for being charged by the generator to supply a power of a first voltage to a first load. The system includes a second battery for supplying... | 01/13/2004 |
| 6675078 | Method and arrangement for controlling a vehicle The invention is directed to a method and an arrangement for controlling a motor vehicle having an integrated electric machine which generates electric as well as mechanical power. In the context of a hierarchal control structure having several logic comp... | 01/06/2004 |
| 6672415 | Moving object with fuel cells incorporated therein and method of controlling the same In a hybrid vehicle with fuel cells and an engine mounted thereon as energy output sources, a technique is employed that adequately changes a working energy output source according to a driving state of the hybrid vehicle. The hybrid vehicle has the engin... | 01/06/2004 |
| 6668963 | Vehicle with high voltage power source mounted thereon, power source controller, method of starting such vehicle, and method of utilizing high voltage power source A vehicle with a high voltage power source mounted thereon has a diversity of protection mechanisms to protect the driver and mechanics from potential accidents. Even in the case of a subtle erroneous operation or detection, one of such mechanisms cuts of... | 12/30/2003 |
| 6664795 | System for detecting remaining charge of electrical double layer capacitor A remaining charge detecting system of an electric double layer capacitor to be usable, for example, as an energy source of a hybrid vehicle having an internal combustion engine and an electric motor separately driving wheels. The system includes a curren... | 12/16/2003 |
| 6662096 | Vehicle drive system and vehicle controlling method A minimum needed power is computed by adding a reserve drive power to a target drive power, a best fuel cost-performance rotation speed is computed based on the target drive power and the best fuel cost-performance power characteristics of an engine (1), ... | 12/09/2003 |
| 6661108 | Hybrid drive device In a hybrid drive device which drives an electrical motor with electrical power from a storage device and/or from a generator driven by an engine, a secondary battery is generally used as the storage device. However, the storage device must be replaced at... | 12/09/2003 |
| 6659213 | Control device for hybrid vehicle A vehicle is provided including a high-voltage battery for a motor/generator power source, a low-voltage battery for electrical loads, an inverter for controlling the motor/generator, sensors which detect a condition of the high-voltage battery, a rotatio... | 12/09/2003 |
| 6654648 | Technique of monitoring abnormality in plurality of CPUs or controllers The technique of the present invention prevents endless circulation of reset operations of CPUs in a control system including a plurality of CPUs that mutually monitor the opposite CPUs. The plurality of CPUs, which are connected with one another and incl... | 11/25/2003 |
| 6651759 | Hybrid electric vehicle A hybrid electric propulsion system for powering a vehicle using a natural fuel engine and an electric motor. The hybrid electric vehicle is comprised of a drive train; an electric motor for driving the drive train; an auxiliary power unit (APU); an elect... | 11/25/2003 |
| 6646419 | State of charge algorithm for lead-acid battery in a hybrid electric vehicle A method and apparatus for determining the state of charge of a lead-acid battery. The present invention includes steps to determine a current-based state of charge while accounting for such factors as current, temperature, charge efficiency, parasitic lo... | 11/11/2003 |
| 6641501 | Control apparatus for hybrid vehicle A hybrid vehicle control apparatus is provided, wherein an unpleasant sensation is not imparted to a driver depressing an accelerator pedal at the time of departure. In a hybrid vehicle control apparatus with an engine and a motor as the drive sources, an... | 11/04/2003 |
| 6637530 | Hybrid vehicle control apparatus wherein battery is charged based on required charging amount and/or energy conversion efficiency of electric generator A control apparatus for controlling a hybrid automotive vehicle including an engine and an electric motor as drive power sources for driving the vehicle, and an electric generator operable by the engine to charge a battery while the vehicle is driven by t... | 10/28/2003 |
| 6634986 | Power transmission device The invention reduces the shift shock of a device equipped with a plurality of prime movers, and provides a power transmission device of a device having a first prime mover (engine) 1 and a second prime mover (motor) 2 as drive sources, which is arranged ... | 10/21/2003 |
