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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7600595 | Electric traction 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 selectiv... | 10/13/2009 |
| 7578364 | Engine start control device and method for a hybrid vehicle An engine start control device for a hybrid vehicle equipped with an electric motor and an engine with an induction system, including a hybrid controller that performs an engine start determination to determine whether the engine should be started while the electric... | 08/25/2009 |
| 7441617 | Hybrid car By a lean burn operation, a highly efficient operation region is enlarged, the proportion of engine operation in a low torque condition is increased, and the proportion of motor operation using a battery is decreased. It is possible to provide a hybrid car of an eng... | 10/28/2008 |
| 7431111 | Hybrid power output apparatus and control method In response to the driver's release of an accelerator, the procedure of the invention sequentially compares an observed charge-discharge electric power Wb of a battery with two reference values Wr1 and Wr2, which are set on the basis of an input restri... | 10/07/2008 |
| 7426972 | Control device for vehicular drive system A control device for a vehicular drive system including (a) a differential mechanism operable to distribute an output of an engine (8) to a first electric motor and a power transmitting member, (b) a second electric motor disposed in a power transmitting path... | 09/23/2008 |
| 7398147 | Optimal engine operating power management strategy for a hybrid electric vehicle powertrain A method is disclosed for managing power in a hybrid electric vehicle powertrain having multiple components, including an engine, a motor, a generator and a high voltage battery. Power losses in the individual components are computed. An engine speed corresponding t... | 07/08/2008 |
| 7392871 | Hybrid vehicles A hybrid vehicle comprises an internal combustion engine, a traction motor, a starter motor, and a battery bank, all controlled by a microprocessor in accordance with the vehicle's instantaneous torque demands so that the engine is run only under conditions of high ... | 07/01/2008 |
| 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 |
| 7367414 | Hybrid vehicle and method of controlling the same In a constant speed drive (in an auto cruise), the procedure of the invention executes proportional control to set an accelerator opening Acc corresponding to an observed vehicle speed and a target vehicle speed. When the accelerator opening Acc is less than a prese... | 05/06/2008 |
| 7350602 | System and method for engine start detection for hybrid vehicles A method for operating a hybrid vehicle having a primary power generating system and a secondary power generating system coupled via a power transmission assembly for delivery of tractive force for the vehicle. The method includes determining acceleration of input s... | 04/01/2008 |
| 7340330 | Hybrid type vehicle driving controller, hybrid type vehicle driving control method and its program The invention has an engine maximum torque calculating processor for calculating plural engine maximum torques showing a maximum value of engine torque, and an engine limit torque calculating processor for calculating a minimum value of the respective engine maximum... | 03/04/2008 |
| 7308958 | Method for controlling a series hybrid electric vehicle A method for controlling a series hybrid powertrain for an electric vehicle. The hybrid vehicle includes a primary power source and an electric energy stored system. The method provides total system efficiency with a load-following control strategy. ... | 12/18/2007 |
| 7308959 | Displacement on demand with regenerative braking A regenerative braking system for a vehicle includes a displacement on demand (DOD) engine having cylinders, a battery, and an electric machine having motor and generator modes. The electric machine is selectively driven by a wheel of the vehicle. A controller detec... | 12/18/2007 |
| 7291093 | Power output apparatus, control system for power output apparatus, and control method of power output apparatus In a motor vehicle having a planetary gear mechanism linked to an engine, a first motor, and a drive shaft and having a second motor attached to the drive shaft via a transmission, in a Lo gear position of the transmission, the control procedure of the invention dri... | 11/06/2007 |
| 7273439 | Strategy for mapping motor speed to calculate driver power demand in a hybrid electric vehicle A controller and a control method is disclosed for determining a power demand for an engine in a hybrid electric vehicle powertrain. In computing engine power demand, a modified motor speed is used at zero and near-zero actual motor speeds to satisfy a driver demand... | 09/25/2007 |
| 7273119 | Method for starting engine of vehicle with hybrid transmission and apparatus for carrying out the method A method for starting an engine of a vehicle having a hybrid transmission is provided. The hybrid transmission is capable of providing motor running under a power of an electric motor only and hybrid running under a power of both of the engine and the electric motor... | 09/25/2007 |
| 7255662 | Power output apparatus and hybrid vehicle An idle rotation speed Nidl of an engine is set to increase with an increase in actual vehicle speed V and with an increase in measured temperature Tb of a battery (step S160). The drive control of the invention controls the engine and two motors to idle the ... | 08/14/2007 |
| 7243748 | Startup interlock for vehicle electric drive system A vehicle electric drive system has an internal combustion engine which drives an electric generator. The generator powers a motor which drives the wheels. The system has operator controls including a speed control member movable from a zero speed position to a high... | 07/17/2007 |
| 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 |
| 7228926 | Apparatus for controlling hybrid vehicle A control unit for a vehicle including a controller that determines whether shifting of a stepped transmission is necessary, and increases output torque of a first drive unit and decreases output torque of a second drive unit in correspondence with an increase of th... | 06/12/2007 |
| 7219757 | Mode transfer control apparatus and method for hybrid vehicle In mode transfer control apparatus and method for a hybrid vehicle, in a state in which the vehicle is in at least one of a start state and a travel state and in one steady-state mode of a continuously variable transmission gear ratio mode and a fixed transmission g... | 05/22/2007 |
| 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 |
| 7213666 | Hybrid vehicle An engine is connected to front wheels via a primary motor, a clutch and a transmission, and a secondary motor is connected to rear wheels. A vehicle is driven by the secondary motor while performing a combustion suspended idle operating condition in which the engin... | 05/08/2007 |
| 7163487 | Engine retard operation scheduling and management in a hybrid vehicle A hybrid vehicle includes a powertrain having a retarded diesel engine, an electric machine and energy storage system. The engine and motor are operatively coupled through one or more planetary gearsets and selective coupling paths in accordance with application and... | 01/16/2007 |
| 7160224 | Single motor recovery for an electrically variable transmission A vehicular powertrain includes operatively coupled engine, electrically variable transmission and driveline. During normal operation when all motors are operating as expected, the engine is operated in a torque control mode in accordance with a torque command provi... | 01/09/2007 |
| 7146266 | Controlling a hydraulic hybrid vehicle powertrain having an internal combustion engine and a hydraulic pump/motor A motor vehicle powertrain system according to this invention controls the magnitudes of torque produced by multiple power sources that drive the vehicle wheels. The system includes a source of pressurized fluid, and a pump/motor driveably connected to the wheels, w... | 12/05/2006 |
| 7077223 | Hybrid vehicle A hybrid vehicle comprises an engine and a motor as power sources, the output power of at least one of the engine and the motor being transmitted to driving wheels for driving the hybrid vehicle, an accelerator pedal for increasing and decreasing driving power of th... | 07/18/2006 |
| 7077224 | Hybrid vehicle and method of controlling the same When a starter switch is switched from OFF to ON, a hybrid ECU determines that a driver intends to start driving a vehicle, reads a temperature of each of items (engine coolant, injectors, lubricating oil, and the like), and makes a determination on the necessity of... | 07/18/2006 |
| 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 |
| 7041028 | Initialization of a control unit A control unit for controlling an internal combustion engine in a motor vehicle passes through an initialization phase after power-on. To start the internal combustion engine, the internal combustion engine is synchronized with the control unit. To initialize a cont... | 05/09/2006 |
| 7021410 | Method and system for determining the torque required to launch a vehicle having a hybrid drive-train A method and system are provided for determining the torque required to launch a vehicle having a hybrid drive-train that includes at least two independently operable prime movers. The method includes the steps of determining the value of at least one control parame... | 04/04/2006 |
| 6702053 | Hybrid car By a lean burn operation, a highly efficient operation region is enlarged, the proportion of engine operation in a low torque condition is increased, and the proportion of motor operation using a battery is decreased. It is possible to provide a hybrid ca... | 03/09/2004 |
| 6702715 | Power transmission A power transmission comprises an engine E with a plurality of cylinders, a belt-type continuously variable transmission CVT, which changes the rotational speed being transmitted from the engine, a control valve CV, which variably sets the line pressure u... | 03/09/2004 |
| 6700213 | Control system for a hybrid vehicle in which output from the engine is assisted by the motor based on air-fuel ratio determination A control system provided in a hybrid vehicle with a combustion engine for outputting a driving force, an electric motor for generating a force for assisting the output from the engine, depending on driving conditions, a power storage unit for storing ele... | 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 |
| 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 |
| 6692404 | Engine control system and method for hybrid vehicle An engine control system for hybrid vehicles, so as to smoothly switch the driving operation from the cylinder-deactivated engine operation, in which at least a part of the total number of cylinders of the engine is deactivated, to the all-cylinder-activa... | 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 |
| 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 |
| 6692403 | Series hybrid vehicle capable of operating without a battery A series hybrid vehicle comprising an engine driving an alternator, the engine having a power available at the output shaft of the engine, at least one electric traction motor connected to the alternator by an electric line and an inverter, the inverter a... | 02/17/2004 |
