Toyota Jidosha Kabushiki Kaisha

Matsushita Electric Industrial Co., Ltd.

Other

Aisin Seiki Kabushiki Kaisha

Toyota Jidoshi Kabushiki Kaisha

Panasonic Corporation

Tomokazu Yamauchi

Shinji Hamada

Toshiyuki Sekimori

Masayoshi Iwase

Koichi Nakae

Kazunobu Eritate

Munehisa Ikoma

Toyohiko Eto

Tadao Kimura

Shoichi Sasaki

Yoshiaki Ogata

Takeshi Nozaki

Ryouji Hironaka

Yuji Nishi

Akihiro Taniguchi

Noriyuki Fujioka

Shuhei Marukawa

Ko Watanabe

Kazuo Tojima

Yuki Tojima

Takahiro Misu

Naoto Arai

Nobuyuki Taki

Masami Osawa

Takahiko Miki

Yuki c/o Intellectual Property Department Tojima

Takahiro c/o Intellectual Property Department Misu

Masami c/o Intellectual Property Department Osawa

A vehicle includes an engine, a rotating electric machine, a high-voltage power line, a high-voltage battery, an inverter, a capacitor, an electronic control unit, a low-voltage battery, an alternator, and a low-voltage power line. The capacitor is connected to the high-voltage power line. The electronic control unit is configured to control the engine such that the engine is operated and the alternator supplies electric power to the low-voltage power line in a case where the possibility of the occurrence of a collision of the vehicle is detected. The electronic control unit is configured to perform control such that the capacitor discharges a residual electric charge in a case where the possibility of the occurrence of the collision of the vehicle is detected or in a case where the occurrence of the collision of the vehicle is detected.

Vehicle with capacitor discharge control

A vehicle includes an engine, an automatic transmission, a second clutch for engine disconnection, a rotating electric machine, a first clutch for rotating electric machine separation, and an electronic control unit. The electronic control unit switches the first clutch from a release state to an engagement state in a case where a collision of the vehicle occurs, the first clutch is in the release state, and a rotation speed of the rotating electric machine is higher than an input shaft rotation speed of the automatic transmission. In a case where the collision of the vehicle occurs, the first clutch is in the release state, and the rotation speed of the rotating electric machine is lower than the input shaft rotation speed of the automatic transmission, the first clutch is maintained in the release state.

Control device and control method for vehicle

A DC/DC converter is driven when an inter-terminal voltage of a low-voltage battery is lower than a determination voltage and an engine is started when the inter-terminal voltage becomes lower than a determination voltage during the driving of the DC/DC converter so that an alternator is driven at a predetermined driving point at which the alternator can he efficiently driven and the DC/DC converter is controlled such that the inter-terminal voltage of the low-voltage battery becomes a rated voltage. Energy efficiency can be improved since the alternator is efficiently driven.

Hybrid vehicle

A state estimation value indicating a battery state is successively calculated from time to time according to a battery model capable of dynamically estimating the internal state of the secondary battery by using an inspection value of a sensor group indicating the secondary battery behavior. By using the sate estimation value at each moment estimated by the battery model expression at each predetermined cycle, an I/O-enabled time is predicted when a predetermined power is continuously inputted (charged) or outputted (discharged) from the current moment. A load operation instruction of the secondary battery is set so as to avoid overcharge and over-discharge of the secondary battery according to the operation request to the load and by considering the predicted characteristics between input/output power and input/output-allowed time.

Charge/discharge control device for secondary battery and hybrid vehicle using the same

The rotating shaft of the motor is connected to and disconnected from the first coupled rotating shaft, the crankshaft of the engine, and the drive shaft is connected to and disconnected from the second coupled rotating shaft and the third coupled rotating shaft. Thereby, the connection state when a power is output to the drive shaft can be increased and the power to the drive shaft can be output in a more efficient connection state in comparison with only connecting and disconnecting the rotating shaft of the motor to and from the first coupled rotating shaft and the crankshaft of the engine.

Power output apparatus, vehicle mounting the same, and method for controlling power output apparatus

A driving device of the invention has a clutchand a continuously variable transmission. The clutchcouples and decouples a rotating shaftor an output shaft of a motorwith and from a driveshaft. The continuously variable transmissionhas an input shaft connected to the rotating shaftand an output shaft connected to the driveshaftvia a gear mechanism. A springis attached to a rotorof the motorto apply a pressing force and cause the clutchto couple the rotating shaftwith the driveshaftin response to a relatively small output torque of the motor. With an increase in output torque of the motor, a thrust force produced in the motormoves the rotating shaftagainst the pressing force of the springto cause the clutchto decouple the rotating shaftfrom the driveshaft. The output torque of the motoris then transmitted to the driveshaftwith a gear change of the continuously variable transmission

Driving device and power output apparatus equipped with driving device

A motor (MG) is connected to a sun gear () of a first planetary gear (P) of a power distribution/unification mechanism (), an engine (EG) is connected to a carrier () of the first planetary gear (P) and a ring gear () of a second planetary gear (P), an engine (EG) is connected to a ring gear () of the first planetary gear (P) and a carrier () of the second planetary gear (P), and a motor (MG) and a drive shaft () are connected to a sun gear () of the second planetary gear (P). Drive control is made by selecting an operation pattern from the following operation patterns, the operation pattern to be selected is the pattern enabling efficient operation according to a demand by an operator: a first operation pattern where power is outputted from the engine (EG) to the drive shaft (), a second operation pattern where power is outputted from the engine (EG) to the drive shaft (), a third operation pattern where power is outputted from both engines (EG, EG) to the drive shaft (), and a motor operation mode where the engines (EG, EG) are stopped and power is outputted from the motor (MG) to the drive shaft ().

Power output apparatus and motor vehicle equipped with power output apparatus

A battery module is constructed of an integral battery case which is constituted by forming a plurality of prismatic cell cases into a unitized body, wherein positive electrode plates and negative electrode plates laminated alternately upon one another with intervening separators are respectively accommodated in each of the cell cases, thereby constituting a plurality of cells, these cells being electrically connected in series. A plurality of such battery modules are arranged in a direction in which the electrode plates within each cell are laminated in a condition with coolant passages formed between the battery modules, and bound tightly together with end plates arranged at both ends in the direction of adjacent arrangement of the battery modules.

Battery pack

In response to a start request of an engine in setting of a gearshift position SP to a drive (D) position, the control procedure sets a relatively small value Nto a threshold value Nref (step S) and starts fuel injection and ignition of the engine when a rotation speed Ne of the engine reaches or exceeds the threshold value Nref (=N) (steps Sto S). This ensures a quick start of the engine. In response to a start request of the engine in setting of the gearshift position SP to a parking (P) position, on the other hand, the control procedure sets a greater value Nthan the value Nto the threshold value Nref (step S) and starts fuel injection and ignition of the engine when the rotation speed Ne of the engine reaches or exceeds the threshold value Nref (=N) (steps Sto S). This effectively reduces potential vibrations at a start of the engine.

Moving body and control method of moving body

A counterweightattached to a crankshafthas a projection, which is aligned with and faces an electromagnetattached to a crank casingwhen the crankshaftis at a preset rotational position of ensuring good startability of an engine. Engine stop control starts a power supply to the electromagnetto attract the projectionof the counterweightat a timing when the projectionof the counterweightis practically aligned with the electromagnet, on the condition that the revolution speed of the crankshaftis lowered to or below a preset level immediately before a full stop of rotation of the crankshaft. This engine stop control stops the rotation of the crankshaftand desirably holds the crankshaftat the preset rotational position of ensuring good startability of the engine

Drive system and automobile

The combined battery of the present invention includes two end plates and a plurality of general cells stacked adjacent each other and bound by two end plates. The general cells are provided with a battery container made of resin, and bound by two end plates with a binding force equal to or lower than a threshold value determined based on the number and the compressibility of the cells and the stiffness of the battery container, in such a manner that no more than a predetermined amount of irreversible deformation will be caused in the battery container.

Method of binding a plurality of sealed battery cells

A battery assembly includes a plurality of battery modules electrically connected together, each battery module acting as a secondary battery and including an electrode group, an electrolyte, a container for housing the electrode group and the electrolyte, and a safety valve operating in accordance with the internal pressure of the container. The working pressure of each safety valve is set so that the safety valve of at least one battery module is opened when the at least one battery module has its maximum internal pressure or less during the charge equalization. It is possible to provide a battery assembly that can improve the reliability of the container strength by keeping the working pressure of each safety valve lower than the pressure that the container resists even under elevated temperature conditions.

Battery assembly

A battery module includes a plurality of cells accommodating an electrode plate group and an electrolyte, and a single integrated battery case for accommodating the plurality of cells. The ratio of the component resistance including the connecting resistance between the cells to the reactive resistance of the electrode plate group and the electrolyte in each cell, is set in the range of 1:99-40:60 at a temperature of 25&deg; C. Thereby, the internal resistance per cell is reduced, and higher power output and improved service life characteristics are achieved.

Growing community of inventors

Toyota, Japan

Tomokazu Yamauchi