Abstract: A vehicle control device mounted on a vehicle includes a first traveling mode being driven by the torque output from a first rotary electric machine, and a second traveling mode being driven by the engine torque output from an engine and the torque output from the first rotary electric machine, wherein a section 1 for cranking the engine by the output of the second rotary electric machine and a section 2 for assisting the driving force of the engine by the output of the first rotary electric machine are provided during a period from the first traveling mode to the engagement of the clutch at the time of starting the engine to the second traveling mode, and the torque increase of the first rotary electric machine is limited in the section 1.

Abstract: A control apparatus for a vehicle drive-force transmitting apparatus including a dog clutch that is operated by an actuator to selectively connect and disconnect a drive-force transmitting path. In process of switching of the dog clutch from released state to engaged state, the control apparatus determines whether a rotational speed difference of the dog clutch is equal to or larger than a given difference value when a sleeve of the dog clutch is positioned on an engaging side of a synchronizing position for placing the dog clutch into the engaged state, and stops the switching of the dog clutch to the engaged state and causes the actuator to place the dog clutch back into the released state, when determining that the rotational speed difference is equal to or larger than the given difference value with the sleeve being positioned on the engaging side of the synchronizing position.

Abstract: In a control device of a vehicle including a first power transmission path transmitting a power through a belt-type continuously variable transmission and a second power transmission path transmitting a power through a reduction gear mechanism in parallel between an input shaft and an output shaft and including a dog clutch in series with the reduction gear mechanism in the second power transmission path, when the dog clutch is in an engagement transition state and a rotational speed change of the output shaft is equal to or greater than a predetermined value, the engagement transition state of the dog clutch is canceled to release the dog clutch.

Abstract: A power transmitting system including: a first piston disposed within a center bore formed through the rotary shaft such that the first piston is axially reciprocable; a sleeve connected to the first piston and having internal teeth meshing with the external teeth of the rotary shaft so that the sleeve is rotated with the rotary shaft, and such that the sleeve is axially reciprocable together with the first piston according to axial movements of the first piston; a synchronizer ring supported in sliding contact with an outer circumferential tapered surface of the clutch gear such that the synchronizer ring is rotatable relative to the clutch gear; and an actuator including a second piston to axially advance the first piston for thereby bringing the sleeve's internal teeth into meshing engagement with the clutch gear through the synchronizer ring. The first piston and second piston are disposed coaxially with the rotary shaft.

Abstract: A control apparatus for a vehicle drive-force transmitting apparatus including a dog clutch that is operated by an actuator to selectively connect and disconnect a drive-force transmitting path. In process of switching of the dog clutch from released state to engaged state, the control apparatus determines whether a rotational speed difference of the dog clutch is equal to or larger than a given difference value when a sleeve of the dog clutch is positioned on an engaging side of a synchronizing position for placing the dog clutch into the engaged state, and stops the switching of the dog clutch to the engaged state and causes the actuator to place the dog clutch back into the released state, when determining that the rotational speed difference is equal to or larger than the given difference value with the sleeve being positioned on the engaging side of the synchronizing position.

Abstract: In a control device of a vehicle including a first power transmission path transmitting a power through a belt-type continuously variable transmission and a second power transmission path transmitting a power through a reduction gear mechanism in parallel between an input shaft and an output shaft and including a dog clutch in series with the reduction gear mechanism in the second power transmission path, when the dog clutch is in an engagement transition state and a rotational speed change of the output shaft is equal to or greater than a predetermined value, the engagement transition state of the dog clutch is canceled to release the dog clutch.

Abstract: A power transmitting system including: a first piston disposed within a center bore formed through the rotary shaft such that the first piston is axially reciprocable; a sleeve connected to the first piston and having internal teeth meshing with the external teeth of the rotary shaft so that the sleeve is rotated with the rotary shaft, and such that the sleeve is axially reciprocable together with the first piston according to axial movements of the first piston; a synchronizer ring supported in sliding contact with an outer circumferential tapered surface of the clutch gear such that the synchronizer ring is rotatable relative to the clutch gear; and an actuator including a second piston to axially advance the first piston for thereby bringing the sleeve's internal teeth into meshing engagement with the clutch gear through the synchronizer ring. The first piston and second piston are disposed coaxially with the rotary shaft.

Abstract: An automatic transmission where an engagement mode in which the forward engagement element is put in the engagement state is executed when the vehicle travels forward in the second mode in which the second engagement element is put in the engagement state and the first engagement element is put in a release state.

Abstract: A fuel cell system that includes a fuel cell that generates electricity through an electrochemical reaction between a fuel gas and an oxidant gas, and a control portion that determines whether there is leakage of the fuel gas. The control portion has start means for starting the fuel cell by raising the voltage of the fuel cell from a starting voltage to an operation voltage that is lower than an open-circuit voltage, and leakage determination means for determining whether there is leakage of the fuel gas before the voltage of the fuel cell reaches the operation voltage when the fuel cell is started.

Abstract: A control system and a control method for a vehicle, the vehicle includes an engine, an input shaft, an output shaft, a continuously variable transmission section, a stepped transmission section and a clutch mechanism, and a control device. The continuously variable transmission section and the stepped transmission section are provided between the input shaft and the output shaft. The clutch mechanism is provided in a torque transmission path between the stepped transmission section and drive wheels. The control device is configured to disengage the clutch mechanism in a case where a vehicle speed is at least equal to a specified value and the engine is stopped.

Abstract: An automatic transmission where an engagement mode in which the forward engagement element is put in the engagement state is executed when the vehicle travels forward in the second mode in which the second engagement element is put in the engagement state and the first engagement element is put in a release state.

Abstract: In a drive control system for a fuel cell-equipped vehicle including a rotating electrical machine, a control unit includes a rapid warm-up processing module for performing rapid warm-up by the low-efficiency power generation of a fuel cell, a torque command value limiting module 68 for limiting the torque command value in accordance with the change of a system voltage caused by rapid warm-up processing, and an FC output command value calculating module for calculating the output command value of the fuel cell in accordance with the limited torque command value. In a storage device connected to the control unit, a system voltage characteristic map which shows the torque-rotation speed characteristics of the rotating electrical machine corresponding to the system voltage is stored.

Abstract: A control device for a vehicle includes a transmission mechanism capable of setting a fixed transmission gear ratio, a continuously variable transmission provided in parallel with the transmission mechanism, and a path switching mechanism for selectively blocking a torque transmission path that includes the transmission mechanism and that is configured to dampen vibration. The control device further includes a clutch mechanism where the continuously variable transmission and the transmission mechanism capable of setting constant transmission gear ratio are arranged in parallel between an input shaft and the output shaft, that selectively connects torque transmission path stretching from an internal combustion engine to drive wheels via transmission mechanism, and one clutch and other clutch are arranged in series, the other clutch is arranged on a relatively downstream side.

Abstract: A power transmission unit for a vehicle including a first clutch device that selectively allows a torque transmitting route from an input shaft to an output shaft via a first gear train to transmit torque therethrough, a dog clutch that switches the torque transmitting route from the input shaft to the output shaft between a continuously variable speed change route in which the torque is transmitted through a continuously variable transmission and a reverse route in which the torque is transmitted through a second gear train, and a second clutch device that connects and disconnects both of the continuously variable speed change route and the reverse route to/from at least any one of the input shaft and the output shaft.

Abstract: There is a vehicle power transmission device in which a continuously variable transmission and a gear train are provided between an input shaft and an output shaft so as to be able to transmit torque between the input shaft and the output shaft, the gear train has at least one speed ratio that cannot be set by the continuously variable transmission. In the vehicle power transmission device, a forward-reverse switching mechanism is arranged along the same axis as an axis of the input shaft, a first clutch mechanism and a brake mechanism are provided, a second clutch mechanism is provided in a first torque transmission path that is routed from the input shaft to the output shaft via the continuously variable transmission, a third clutch mechanism is provided in a second torque transmission path that is routed from the output element to the output shaft via the gear train.

Abstract: A controller for a vehicle transmission in which a continuously variable transmission mechanism able to continuously change its speed ratio and a transmission mechanism having a constant speed ratio are provided in parallel between an input shaft and an output shaft. The transmission includes a friction engagement mechanism and an intermeshing engagement mechanism, the intermeshing engagement mechanism being arranged in series with the friction engagement mechanism, the intermeshing engagement mechanism setting the transmission mechanism to a state where torque is transmittable between the input and output shaft, in changing to a state where the intermeshing engagement mechanism is engaged and the transmission mechanism is able to transmit torque to the output shaft, a torque capacity of the friction engagement mechanism is configured to be increased to a torque capacity to such extent that the transmission mechanism rotates without a delay of start of engagement of the intermeshing engagement mechanism.

Abstract: During an intermittent operation of the fuel cell, a demanded FC voltage calculation portion calculates a predetermined voltage that is below a heightened potential avoidance threshold voltage as a demanded FC voltage, and outputs the voltage to a converter. When during the intermittent operation of the fuel cell, a deviation obtained by subtracting a generated power of the fuel cell from a system's allowable power that is allowable in the fuel cell system becomes less than or equal to a value 0, the demanded FC voltage correction portion corrects a command value provided for the converter so that the deviation becomes equal to the value 0.

Abstract: Power system including differential-mechanism, clutch-mechanism, power-mechanism and dog-clutch disposed between an input rotary member to receive drive-force from a drive power source and output rotary-member to transmit drive-force to drive-wheels, the differential-mechanism including an input rotary element, output rotary element and reaction rotary element; the clutch-mechanism connecting two rotary elements of the input, output and reaction rotary elements of the differential-mechanism, to each other, the power-mechanism having predetermined gear ratio, and dog-clutch selectively placing a power path between the output rotary element and output rotary-member, in power transmitting state and power cutoff state; transmitting drive-force to drive-wheels while the clutch-mechanisms and dog-clutch are placed in engaged states.

Abstract: A power transmission unit including a first clutch device that selectively enables and disables a torque transmitting route from an input shaft to an output shaft via a first gear train to transmit torque therethrough, a dog clutch that switches the torque transmitting route from the input shaft to the output shaft between a continuously variable speed change route in which torque is transmitted through a continuously variable transmission and a reverse route in which torque is transmitted through a second gear train, and a second clutch device that selectively enables and disables both of the continuously variable speed change route and the reverse route to transmit torque to the input shaft or the output shaft. The first clutch device and the second clutch device are separately disposed on any of the input shaft and the output shaft in a manner to be situated at different axial positions.

Abstract: There is disclosed a fuel cell system having a motor which can be driven and generate a regenerative power by receiving the supply of a power, wherein an influence on power supply control is decreased.