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Class 477/2 - PLURAL ENGINES


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein more than one engine* is effective to regulate
No. of patents: 81
Last issue date: 12/04/2012


1      
NumberTitleIssue Date
8323144Dual engine hybrid vehicle drive
A vehicle hybrid drive supplies torque to an axle. The drive includes a first engine and a transmission which couples the first engine to the axle. The drive also includes a second engine, a flywheel driven by the second engine, an electric generator driven by the f...
12/04/2012
7972239Dual pump design for hybrid electric automatic transmission
A dual pump strategy for a hybrid electric automatic transmission necessitating one internal mechanically driven pump linked to the engine output shaft and an external fixed displacement pump powered by a brushless permanent magnet motor consisting of a controller w...
07/05/2011
7803085Electrically driven parallel shaft transmission that maintains delivered power while shifting
An electrically powered driveline assembly includes a first electric motor and a second electric motor that drive corresponding input shafts to drive an output shaft. The first and second electric motors are selectively coupled to facilitate constant torque and spee...
09/28/2010
7416510Control of a vehicle powertrain with multiple prime movers
A vehicle powertrain having multiple prime movers including a primary prime mover coupled inline to a transmission and a secondary prime mover selectively coupled to the transmission by a substantially concentric coupling. A method of powertrain control is also disc...
08/26/2008
7410021Fuel-efficient vehicle with auxiliary cruiser engine
An automotive vehicle having improved fuel economy is equipped with a drive system having a primary internal combustion engine and an auxiliary internal combustion engine of smaller size and better fuel economy than the primary engine. The primary engine is adapted ...
08/12/2008
7377877Gear shift control apparatus for a hybrid vehicle
A gear shift control apparatus for a hybrid vehicle can achieve enhancement of the transmission efficiency and enhancement of the fuel cost without damaging the drivability to the utmost. The gear shift control apparatus for a hybrid vehicle includes an engine, a tr...
05/27/2008
7371201Hybrid transmissions having three motor/generators and three interconnected planetary gear members
The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery and three electric machines serving interchangeabl...
05/13/2008
7357213Starter with electric oil pump for hybrid vehicle
The present invention provides a hybrid vehicle, which has both the function of supplying hydraulic oil to a transmission when the idle operation of an engine is stopped, and the function of providing start force when the engine is cold started, thus reducing space ...
04/15/2008
7351182Drive apparatus for hybrid vehicle and control method thereof
A drive apparatus includes a motor, a first clutch that transmits and cuts off driving force between the motor and an engine, a second clutch that transmits and cuts off driving force to a wheel side from either or both of the motor and the engine, and a control dev...
04/01/2008
7338335Hybrid electric heavy-duty vehicle drive system
A hybrid electric system designed to lower fuel consumption in heavy-duty long-haul vehicles, and in medium and light duty vehicles (trucks, buses, vans, SUVs, recreational vehicles, and the like), utilizing a multiplicity of thermal engines, regenerative power road...
03/04/2008
7317259Power output apparatus and motor vehicle equipped with power output apparatus
A motor (MG1) is connected to a sun gear (31) of a first planetary gear (P1) of a power distribution/unification mechanism (30), an engine (EG1) is connected to a carrier (34) of the first planetary gear (P1) and a ri...
01/08/2008
7308960Vehicle drive train unit and vehicle drive train system
A vehicle drive train and drive train system is provided to simplify wire harness including power cables and reduce power loss in an engine-motor hybrid vehicle drive train system. The drive train and system includes some wheels driven by an engine, and other wheels...
12/18/2007
7304445Locomotive power train architecture
The present invention is directed to a power control architecture for a vehicle, particularly a locomotive, in which a number of energy sources are connected to a common electrical bus and selectively provide energy to the bus based on the relationship between their...
12/04/2007
7274787Scheduled return to queue with priority (SRQP)
A system and method of distributing contact volume in a contact center when the volume of incoming calls greatly exceeds the number of agents currently answering calls. In an embodiment of the invention, the caller calling in at such a peak time is notified of the r...
09/25/2007
7249642Control apparatus for controlling vehicle drive apparatus, and vehicle drive system including the control apparatus
A control apparatus for controlling a vehicle drive apparatus including: (i) a power transmitting member; (ii) a differential mechanism which has a first element connected to an engine, a second element connected to a first electric motor, and a third element connec...
07/31/2007
7232401Method of compensating torque at cylinder switching on a DOD engine with electric parallel hybrid
A method for managing torque in a hybrid electric vehicle uses a displacement on demand (DOD) internal combustion engine (ICE), an electric machine and a battery. The method includes smoothing disturbances in ICE torque during a DOD transition using the electric mac...
06/19/2007
7230946Remote agent access method to a VoIP contact center where high QoS is not supported
A system and method of providing remote agent access to a voice over internet protocol contact center by allowing an agent to login to the contact center with a data circuit through a remote data access device such as a VPN device are disclosed. The system and metho...
06/12/2007
7210546Controller 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
7207916Transmission for power take-off
A PTO transmission transmits power from an engine-driven shaft to a PTO shaft. The transmission includes a variable displacement hydraulic pump driven by the engine-driven shaft. A planetary transmission unit includes a ring gear driven by the engine-driven shaft, a...
04/24/2007
7185722Power transmission apparatus of motor vehicles
Disclosed is a power transmission apparatus of motor vehicles which has an engine, a gear change apparatus, an electric rotary machine to which a power is transmitted via the gear change apparatus, and a clutch provided between an input shaft and an output shaft of ...
03/06/2007
7164247Motor torque control apparatus and method for automotive vehicle
A motor torque control apparatus for an automotive vehicle includes a transmission which has either one of a fixed speed ratio and a variable speed ratio; at least one motor/generator coupled with the transmission as a propelling power source of the vehicle, a power...
01/16/2007
7160224Single 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
7152705Dual engine electric drive system
An electric drive system includes a first engine and a second engine. A first electric generator is adapted to be driven by the first engine and to generate a first output. A second electric generator is adapted to be driven by the second engine and to generate a se...
12/26/2006
7121975Torque transmission device and method of reducing effects of torque pulsations
Torque pulsations generated in the torque of an engine are obtained from detection signals from a crankshaft angle detection sensor and an engine water temperature detection sensor at the time of an engine starting operation. A control unit controls an MG1 vi...
10/17/2006
7121164Hybrid drive system
A hybrid drive system has an engine (11); a motor-generator (16); a transmission (12) for converting drive force inputted from at least one of the engine (11) and the motor-generator (16) and transmitting the converted drive force ...
10/17/2006
7118513System for the control of multiple transmissions in a multi-combination vehicle
A multi-combination vehicle having at least two engines, each engine having a transmission coupled thereto, each transmission including an electronic control unit, each engine including an electrical power source adapted to provide power to a respective one of the e...
10/10/2006
7101307Methods and devices for altering the transmission ratio of a drive system
The transmission ratio between a first motor and an output shaft is varied by changing the speed of a second motor. The first and second motors are coupled to the output shaft with a planetary gear set. The first and second motors may both add power to the drive sys...
09/05/2006
7099757Control apparatus for hybrid vehicle
An FI/AT/MGECU, in a cylinders deactivation operating state during cruise control where the vehicle speed follows a predetermined target speed, regulates renewal on an addition side of a power plant required torque final value TQPPRQF, and in a case where a flag val...
08/29/2006
7096098Traction chain for a series hybrid vehicle
Traction chain for a series hybrid vehicle comprising an engine (10) which drives an alternator (11), an electric traction motor (21), a inverter which enables the electric traction motor to be operated at a torque set value CCset, an...
08/22/2006
7090613Method of providing electric motor torque reserve in a hybrid electric vehicle
A method of operating a vehicle powertrain system comprising an electric motor and transmission where the electric motor is operably and selectively coupled to the transmission and adapted to provide an output torque contribution thereto, and the electric motor has ...
08/15/2006
7085631Vehicle and method for operating an engine in a vehicle
A vehicle and method are provided that determine a misfire torque limit for an engine in the vehicle. The vehicle includes an electric machine operable to provide torque to the engine. The method includes commanding the engine to operate at a predetermined torque an...
08/01/2006
7083536Hybrid system with a controllable function of variable speed transmission
The present invention generally relates to a hybrid system with a controllable function of variable speed transmission, especially to the reorganized hybrid system adopting a high efficiency and power saving transmission for vehicles traveling on different landforms...
08/01/2006
7074157Control apparatus for hybrid vehicle
A motor charge-discharge torque limit correction coefficient for during cylinder deactivation enlargement assistance, which changes with an increasing trend according to an increase in a regeneration/assistance integrated residual amount which is an integrated value...
07/11/2006
7055636Drive control device for hybrid vehicle
A target driving power is calculated in accordance with the operating condition, a fuel consumption rate per power unit is calculated at all the possible operating points of an engine (1) and a drive motor (5) to realize the target driving power, a tar...
06/06/2006
7028794Transmission gear apparatus for motor vehicle
A transmission gear for an automobile includes a dynamo-electric machine operating as a motor and a generator, a dynamo-electric machine control device, a dynamo-electric machine pulley, an auxiliary machine pulley, a crank pulley rotatable relative to or integrally...
04/18/2006
7007464Catalyst warming control-apparatus
The catalyst warming control apparatus of the present invention is provided for a hybrid vehicle having an internal combustion engine, a generator for generating electric power from the output from the internal combustion engine, a power storage unit for storing ele...
03/07/2006
6997831Vehicular transmission
A transmission equipped with a continuously variable ratio-change mechanism CVT and a LOW rotational transmission mechanism GT, which are disposed parallel with each other, comprises a forward clutch 65 and a reverse brake 66, which are used to set a p...
02/14/2006
6973981System for the control of multiple transmissions in a multi-combination vehicle
A system is provided for the control of two transmissions in a multi-combination vehicle having at least two engines, each engine operatively coupled to one transmission. Each transmission has its own electrical power source and an electronic control unit. The syste...
12/13/2005
6971968Hybrid transmission control system
A transmission control system for a hybrid vehicle is comprised of a hybrid transmission including two motor/generators and a controller connected to the hybrid transmission. The controller is arranged to change the torque control of the motor/generator under the to...
12/06/2005
6948990Engine control for watercraft
A watercraft includes an improved engine control system that eases watercraft operation. The watercraft includes a propulsion device, such as a jet propulsion unit, and an engine that powers the propulsion unit. The engine control system is configured to limit engin...
09/27/2005
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