Abstract: An evaporated fuel processing device includes a canister; a purge passage connecting the canister and an intake pipe of an engine; a purge control valve on the purge passage; and a controller that controls switching timings for the purge control valve and a fuel injection valve that supplies fuel to the engine. The controller estimates whether a catalyst temperature would exceed a criteria temperature if the purge gas is supplied to the engine while the engine is in operation and a fuel supply from the fuel tank to the engine is stopped, and in a case where the catalyst temperature is estimated to exceed the criteria temperature, the controller reduces the purge gas amount before the fuel supply to the engine is stopped such that the catalyst temperature becomes equal to or lower than the criteria temperature when the fuel supply to the engine is stopped.

Abstract: An evaporated fuel processing may include: a canister disposed on a purge passage; a control valve disposed on the purge passage between an intake passage and the canister and switching between communication and cutoff states, the communication state where the canister and the intake passage communicate through the purge passage, and the cutoff state where communication between the canister and the intake passage is cut off on the purge passage; a pressure detector detecting a pressure in the purge passage on a canister side relative to the control valve; and a determining unit determining whether clogging is occurring in the purge passage between the control valve and the intake passage by using a difference between a pressure under the communication state and a pressure under the cutoff state that are detected by the pressure detector while the control valve repeatedly switches between the communication state and the cutoff state.

Abstract: A vehicle in one exemplary embodiment of the present invention includes a power control unit, a first control unit, and a second control unit. The first control unit further acquires collision prediction information indicating whether there is a possibility that the vehicle will collide and executes the discharge control if (i) the collision information is received, (ii) an abnormality occurs in the communication with the second control unit and, the collision prediction information indicates that there is a possibility that the vehicle will collide, or (iii) a voltage of an auxiliary power supply becomes lower than a threshold voltage and, the collision prediction information indicates that there is a possibility that the vehicle will collide.

Abstract: A detecting unit that detects a specific pressure difference between a pressure of gas that has passed throuch a canister and a pump and a pressure of the gas before passing through the canister and the pump. A gas flow rate from the pump may be higher with a smaller pressure difference between upstream and downstream sides relative to the pump, and higher with a higher purge gas density. A gas flow rate from the canister may be lower with a smaller pressure difference between upstream and downstream sides relative to the canister, and lower with a higher purge gas density. An estimating unit may estimate a flow rate of the purge gas while the specific pressure difference is an unchanged pressure difference being a pressure at which the flow rate of the gas is not chanced by the density of the purge gas.

Abstract: A vehicle gas processing device is configured to supply gas generated by a vehicle to an intake pipe of a combustion engine. The device may includes: a gas pipe configured to communicate a gas generation source to the intake pipe, the gas pipe having a flexible end at least at an intake pipe side of the gas pipe; a check valve disposed between the intake pipe and the gas pipe, and configured to allow the gas to flow from the gas pipe toward the intake pipe and prohibit the gas to flow from the intake pipe toward the gas pipe; and a determining unit configured to determine that the gas pipe is detached from the check valve. The check valve is fixed to the intake pipe, and the gas pipe is detachably attached to the check valve.

Abstract: An evaporated fuel processing device includes a canister; a purge passage connecting the canister and an intake pipe of an engine; a purge control valve on the purge passage; and a controller that controls switching timings for the purge control valve and a fuel injection valve that supplies fuel to the engine. The controller estimates whether a catalyst temperature would exceed a criteria temperature if the purge gas is supplied to the engine while the engine is in operation and a fuel supply from the fuel tank to the engine is stopped, and in a case where the catalyst temperature is estimated to exceed the criteria temperature, the controller reduces the purge gas amount before the fuel supply to the engine is stopped such that the catalyst temperature becomes equal to or lower than the criteria temperature when the fuel supply to the engine is stopped.

Abstract: A detecting unit that detects a specific pressure difference between a pressure of gas that has passed throuch a canister and a pump and a pressure of the gas before passing through the canister and the pump. A gas flow rate from the pump may be higher with a smaller pressure difference between upstream and downstream sides relative to the pump, and higher with a higher purge gas densiy. A gas flow rate from the canister may be lower with a smaller pressure difference between upstream and downstream sides relative to the canister, and lower with a higher purge gas density. An estimating unit may estimate a flow rate of the purge gas while the specific pressure difference is an unchanged pressure difference being a pressure at which the flow rate of the gas is not chanced by the density of the purge gas.

Abstract: An evaporated fuel processing may include: a canister disposed on a purge passage; a control valve disposed on the purge passage between an intake passage and the canister and switching between communication and cutoff states, the communication state where the canister and the intake passage communicate through the purge passage, and the cutoff state where communication between the canister and the intake passage is cut off on the purge passage; a pressure detector detecting a pressure in the purge passage on a canister side relative to the control valve; and a determining unit determining whether clogging is occurring in the purge passage between the control valve and the intake passage by using a difference between a pressure under the communication state and a pressure under the cutoff state that are detected by the pressure detector while the control valve repeatedly switches between the communication state and the cutoff state.

Abstract: A vehicle gas processing device is configured to supply gas generated by a vehicle to an intake pipe of a combustion engine. The device may includes: a gas pipe configured to communicate a gas generation source to the intake pipe, the gas pipe having a flexible end at least at an intake pipe side of the gas pipe; a check valve disposed between the intake pipe and the gas pipe, and configured to allow the gas to flow from the gas pipe toward the intake pipe and prohibit the gas to flow from the intake pipe toward the gas pipe; and a determining unit configured to determine that the gas pipe is detached from the check valve. The check valve is fixed to the intake pipe, and the gas pipe is detachably attached to the check valve.

Abstract: An electric vehicle includes: a main battery; an electric power converter configured to convert power to driving power of a drive motor; an auxiliary battery configured to supply power to auxiliaries; a power supply harness connecting the auxiliary battery to the auxiliaries; a step-down converter having an output end connected to the power supply harness, the step-down converter being configured to step down an output voltage of the main battery to the driving voltage of the auxiliaries; an interrupter configured to isolate the step-down converter from the power supply harness at the time when a predetermined specific abnormality has been detected; and a discharger configured to discharge a capacitor incorporated in the electric power converter, the discharger being configured to operate by receiving electric power supplied from a first power supply path which connects the output end of the step-down converter to the interrupter.

Abstract: A vehicle control apparatus computes a fuel consumption decrease or a fuel consumption increase for each of a plurality of travel modes. The vehicle control apparatus includes a control section that calculates an engine efficiency of an engine and an MG-INV efficiency which is a combined efficiency of a motor generator and an inverter. The engine efficiency is calculated based on an engine power and an ideal fuel consumption line. The MG-INV efficiency is calculated based on an MG power. As such, based on the engine efficiency and the MG-INV efficiency, the control section computes the per-unit-electric-power fuel consumption decrease or the per-unit-electric-power fuel consumption increase.

Abstract: A vehicle control apparatus uses a travel mode selection unit to select between an EV travel mode, an engine travel mode, and an engine generation mode depending on comparisons between an engine generated power cost, an EV effect, and a surplus electric energy. In such manner, according to a travel condition of a vehicle, an appropriate travel mode is selected for an improvement of fuel consumption efficiency. The vehicle control apparatus also computes a fuel consumption decrease or a fuel consumption increase for each of a plurality of travel modes based on an engine efficiency and an MG-INV efficiency. In such manner, fuel consumption increase/decrease for every travel mode may be computed.

Abstract: After an engine starts, a rotation speed of the engine is fed back to a target rotation speed that is defined in response to requested power for the engine. In addition, by operating a gear ratio of a CVT, a rotation speed of an output side of a one-way bearing is fed back to the target rotation speed.

Abstract: A vehicle in one exemplary embodiment of the present invention includes a power control unit, a first control unit, and a second control unit. The first control unit further acquires collision prediction information indicating whether there is a possibility that the vehicle will collide and executes the discharge control if (i) the collision information is received, (ii) an abnormality occurs in the communication with the second control unit and, the collision prediction information indicates that there is a possibility that the vehicle will collide, or (iii) a voltage of an auxiliary power supply becomes lower than a threshold voltage and, the collision prediction information indicates that there is a possibility that the vehicle will collide.

Abstract: A vehicle controller performs a throttle-valve-late-close control in which the throttle valve is held open until a delay time has passed after the fuel cut is started, and an EGR-valve-open-close control in which the EGR valve is repeatedly opened and closed. Then, the throttle valve is closed and the EGR valve is opened. In a period from a latter period of an exhaust stroke to a preceding period of an intake stroke, a valve-overlap control is executed so that a variable valve timing controller is controlled to make both an intake valve and an exhaust valve opened. A pumping loss of an engine is sufficiently reduced and an energy-regenerate efficiency can be effectively improved.

Abstract: After an engine starts, a rotation speed of the engine is fed back to a target rotation speed that is defined in response to requested power for the engine. In addition, by operating a gear ratio of a CVT, a rotation speed of an output side of a one-way bearing is fed back to the target rotation speed.

Abstract: After an engine starts, a rotation speed of the engine is fed back to a target rotation speed that is defined in response to requested power for the engine. In addition, by operating a gear ratio of a CVT, a rotation speed of an output side of a one-way bearing is fed back to the target rotation speed.

Abstract: A vehicle control apparatus uses a travel mode selection unit to select between an EV travel mode, an engine travel mode, and an engine generation mode depending on comparisons between an engine generated power cost, an EV effect, and a surplus electric energy. In such manner, according to a travel condition of a vehicle, an appropriate travel mode is selected for an improvement of fuel consumption efficiency. The vehicle control apparatus also computes a fuel consumption decrease or a fuel consumption increase for each of a plurality of travel modes based on an engine efficiency and an MG-INV efficiency. In such manner, fuel consumption increase/decrease for every travel mode may be computed.

Abstract: A vehicle control apparatus computes a fuel consumption decrease or a fuel consumption increase for each of a plurality of travel modes. The vehicle control apparatus includes a control section that calculates an engine efficiency of an engine and an MG-INV efficiency which is a combined efficiency of a motor generator and an inverter. The engine efficiency is calculated based on an engine power and an ideal fuel consumption line. The MG-INV efficiency is calculated based on an MG power. As such, based on the engine efficiency and the MG-INV efficiency, the control section computes the per-unit-electric-power fuel consumption decrease or the per-unit-electric-power fuel consumption increase.

Abstract: An electric vehicle includes: a main battery; an electric power converter configured to convert power to driving power of a drive motor; an auxiliary battery configured to supply power to auxiliaries; a power supply harness connecting the auxiliary battery to the auxiliaries; a step-down converter having an output end connected to the power supply harness, the step-down converter being configured to step down an output voltage of the main battery to the driving voltage of the auxiliaries; an interrupter configured to isolate the step-down converter from the power supply harness at the time when a predetermined specific abnormality has been detected; and a discharger configured to discharge a capacitor incorporated in the electric power converter, the discharger being configured to operate by receiving electric power supplied from a first power supply path which connects the output end of the step-down converter to the interrupter.