Patent application number | Description | Published |
20130073134 | VEHICLE CONTROL DEVICE AND VEHICLE CONTROL METHOD - HV-ECU executes a program including a step of executing rattling noise avoidance control when an engine operating point falls within a rattling noise producing range and when a requested torque Treq | 03-21-2013 |
20130190962 | POWERTRAIN, METHOD FOR CONTROLLING POWERTRAIN, AND DEVICE FOR CONTROLLING POWERTRAIN - A powertrain includes: an engine provided with a plurality of cylinders; a first motor generator coupled to an output shaft of the engine; and an ECU for controlling them. When misfire in the engine is detected, the output shaft of the engine is rotated by driving the first motor generator with ignition and supply of fuel to the engine being suspended. | 07-25-2013 |
20130218394 | VEHICLE HYBRID DRIVE DEVICE - A vehicle hybrid drive device includes: a first rotating machine coupled to an engine; a connection/disconnection device capable of connecting/disconnecting the engine and the first rotating machine to/from wheels; and a second rotating machine disposed in a manner enabling transmission of drive power to the wheels, the vehicle hybrid drive device enabling a vehicle to run in two running modes of an EV running mode enabling the vehicle to run with the second rotating machine used as a drive power source while the connection/disconnection device is disconnected, and a parallel HEV running mode enabling the vehicle to run with the engine and at least one of the first and second rotating machines as the drive power sources while the connection/disconnection device is connected. | 08-22-2013 |
20130226387 | VEHICLE HYBRID DRIVE DEVICE - A vehicle hybrid drive device having an EV running mode enabling a vehicle to run only with a second rotating machine used as a drive power source while an engine is disconnected from a drive power transmission path, a series HEV running mode enabling the vehicle to run only with the second rotating machine used as the drive power source while a first rotating machine is rotationally driven to generate electricity by the engine disconnected from the drive power transmission path, and a parallel HEV running mode enabling the vehicle to run with the engine and at least one of the first and second rotating machines used as the drive power sources while the engine is connected to the drive power transmission path. If a driver desires power-performance-oriented running or fuel-efficiency-oriented running, the range for selecting the series HEV running mode is made narrower or wider, respectively, than usual. | 08-29-2013 |
20130253743 | CONTROL APPARATUS FOR HYBRID VEHICLE - A vehicle control apparatus configured to selectively establish one of a first drive state in which a vehicle drive force is generated primarily by a second motor/generator operated with an electric energy supplied from an electric-energy storage device while an engine is placed in a rest state, and a second drive state in which a first motor/generator is operated with a drive force of the engine, to generate an electric energy and in which the vehicle drive force is generated primarily by the second motor/generator operated with at least the electric energy generated by the first motor/generator. The vehicle control apparatus is further configured such that the vehicle drive force generated in the second drive state at a given value of an accelerator pedal operation amount θacc is larger than that generated in the first drive state. | 09-26-2013 |
20130253744 | VEHICULAR HYBRID DRIVE SYSTEM - A hybrid drive system configured to selectively establish one of a first drive mode in which a first motor/generator MG | 09-26-2013 |
20140051546 | CONTROL APPARATUS FOR HYBRID VEHICLE - A control apparatus for a hybrid vehicle includes: engine starting means for starting an engine when a need for switching to a 4-wheel drive mode has been forecasted, the hybrid vehicle having a series HV drive mode in which the hybrid vehicle is run with a second electric motor, in the released state of a connecting/disconnecting device, while a first electric motor is operated with a drive force of said engine to generate an electric energy, the control apparatus further including, as said engine starting means, series HV drive controlling means for starting said engine and enlarging a series HV drive mode region for running the hybrid vehicle in said series HV drive mode, so as to cover a portion or an entirety of an original EV drive mode region for running the hybrid vehicle in said EV drive mode, when the need for switching to said 4-wheel drive mode has been forecasted. | 02-20-2014 |
20140077941 | VEHICLE DISPLAY DEVICE - A vehicular indicator device for a hybrid vehicle which is provided with vehicle drive power sources in the form of an engine and an electric motor and which is driven in one of a plurality of vehicle drive modes including an EV drive mode, a series HV drive mode and a parallel HV drive mode that is automatically selected according to a vehicle drive power, said indicator device being configured to indicate the selected vehicle drive mode and said vehicle drive power, the vehicular indicator device being configured to indicate a running state of the hybrid vehicle as represented by said vehicle drive power and said selected vehicle drive mode, in a two-dimensional coordinate system on a display screen, which coordinate system is defined by said vehicle drive power and said selected vehicle drive mode. | 03-20-2014 |
20140129067 | CONTROL DEVICE OF VEHICLE - A control device of a vehicle includes: an engine; a connection/disconnection device configured to connect/interrupt the engine; a rotating machine disposed to enable transmission of drive power to the wheels; and a running position selection device, the control device including a first manual mode selected by performing a deceleration increasing operation by a driver for increasing vehicle deceleration while the automatic running position is selected and a second manual mode selected by performing a deceleration increasing operation by a driver for increasing the vehicle deceleration while the manual running position is selected, while the vehicle is running with the engine interrupted from the wheels, if the first manual mode is selected, the vehicle deceleration being generated only by the rotating machine, and if the second manual mode is selected, the connection/disconnection device being put into the connected state to generate the vehicle deceleration at least by the engine. | 05-08-2014 |
20140179488 | CONTROL APPARATUS AND CONTROL METHOD FOR HYBRID VEHICLE - Controlling a hybrid vehicle includes: reducing a rotation speed of a motor generator before a locking apparatus that locks the motor generator is switched from a disengaged condition to an engaged condition; starting to switch the locking apparatus to the engaged condition when the rotation speed decreases to a predetermined operation permission rotation speed; controlling the locking apparatus such that from the start of the switch to the engaged condition onward, the rotation speed decreases from the operation permission rotation speed to an engagement rotation speed with the motor generator in the engaged condition; and controlling the locking apparatus such that a decrease rate of the rotation speed when switching from the disengaged condition to the engaged condition in a low torque operation mode is higher than the decrease rate of the rotation speed when switching from the disengaged condition to the engaged condition in a high torque operation mode. | 06-26-2014 |
20140290225 | CONTROL APPARATUS FOR HYBRID VEHICLE - A control apparatus for a hybrid vehicle includes an engine, an exhaust gas purification catalyst, a first motor-generator, an output section, a differential mechanism, a second motor-generator, and a controller. The output section is configured to transfer torque to driving wheels of the hybrid vehicle. The differential mechanism is configured to distribute the torque from the engine to the first motor-generator and the output section. The second motor-generator is connected to the output section through gears. The controller is configured to: (a) execute a temporarily changing the air-fuel ratio of the engine to a rich side as a rich spike operation when a specified condition is satisfied, and (b) set the specified condition so that the rich spike operation is easily executed as a motor torque of the second motor-generator increases. | 10-02-2014 |
20150024902 | DRIVE DEVICE FOR HYBRID VEHICLE - A drive device of a hybrid vehicle includes an engine and an electric motor acting as power sources, and further includes: a first rotating member coupled to the electric motor; a second rotating member to which power from the engine is transmitted; and a gear pair made up of helical gears formed on the first rotating member and the second rotating member to couple the first rotating member and the second rotating member in a power transmittable manner, within a case, an inner wall extending from an outer wall of the case toward an inside of the case is in the case, and an elastic member pressing the first rotating member toward the inner wall is provided in a preloaded state between the first rotating member and the inner wall. | 01-22-2015 |