Toyota Patent Applications

TRAVELLING APPARATUS

Granted: June 22, 2017
Application Number: 20170172823
The travelling apparatus according to exemplary embodiments includes front wheels, which are driving wheels, an upper frame, first linear motion mechanisms configured to be extendable and retractable and couple the front wheels to the upper frame, middle wheels configured to be disposed at a back of the front wheels, second linear motion mechanisms configured to be extendable and retractable and couple a riding part to the middle wheels, rear wheels configured to be disposed at a back of…

DIE CASTING APPARATUS AND DIE CASTING METHOD

Granted: June 22, 2017
Application Number: 20170173679
In a die casting apparatus, during feeding of molten metal by an electromagnetic pump, a molten metal level sensor repeatedly detects a during-feeding level of the molten metal stored in a molten metal holding furnace; a control unit corrects a molten metal feeding voltage to a during-feeding voltage based on the repeatedly detected during-feeding level of the molten metal such that an amount of the molten metal fed by the electromagnetic pump coincides with a prescribed amount; the…

CONTROL DEVICE FOR VEHICLE SUSPENSION

Granted: June 22, 2017
Application Number: 20170174034
A vehicle suspension includes a shock absorber whose damping coefficient is variable. A control device includes: a road surface input sensor that generates a first signal corresponding to a vertical movement of each wheel; a sprung mass behavior sensor that generates a second signal corresponding to a vertical movement of a vehicle body at a position of each wheel; and a control unit that controls the damping coefficient. The control unit performs: a normal control that sets the damping…

AIR-CONDITIONING DEVICE FOR VEHICLE

Granted: June 22, 2017
Application Number: 20170174045
Provided is an air-conditioning device for a vehicle, including: a cooling device configured to cool air passing through a duct; a heater core, which is arranged in the duct on a downstream side of airflow with respect to the cooling device, and is configured to use an engine coolant as a heat source to heat the air; a water valve provided in a coolant circulation system on an upstream side of the heater core; and a controller configured to control those components, in which the…

VEHICLE DOOR STRUCTURE AND METHOD OF MANUFACTURING VEHICLE DOOR

Granted: June 22, 2017
Application Number: 20170174052
A vehicle door structure has a door inner panel; a BL inner RF that is made of a fiber reinforced resin and that, together with the door inner panel, forms a closed cross-section structure portion; and an up-stop member that is structured to include joined portions that are joined to the BL inner RF, and a rubber stopper that is disposed further toward a vehicle transverse direction outer side than the closed cross-section structure portion. A communication hole, that communicates an…

VEHICULAR FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME

Granted: June 22, 2017
Application Number: 20170174083
A vehicular fuel cell system includes a collision detector configured to detect collision on the front and rear sides of a vehicle, a high voltage unit arranged on one side of the front and rear sides of the vehicle, a high voltage controller arranged on the one side and configured to control the high voltage unit, a hydrogen supply unit arranged on the other side of the front and rear sides of the vehicle and configured to supply hydrogen to a fuel cell stack, and a supply valve…

RANKINE CYCLE SYSTEM FOR VEHICLE

Granted: June 22, 2017
Application Number: 20170175588
A Rankine cycle system includes a boiler configured to apply waste heat to refrigerant circulating in an internal-combustion engine to vaporize the refrigerant; a gas-liquid separator configured to separate gas-liquid two-phase refrigerant, sent from the boiler, into gas phase fluid and liquid phase fluid; a superheater configured to superheat the gas phase fluid, sent from the gas-liquid separator, through heat exchange with exhaust gas of the internal-combustion engine; an expander…

EXHAUST GAS PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

Granted: June 22, 2017
Application Number: 20170175605
An object of the disclosure is to adjust the ammonia adsorption amount in an SCR catalyst supported on an SCR filter as close as possible to a target adsorption amount in an exhaust gas purification system including the SCR filter. In a system according to the disclosure, the quantity of ammonia supplied by an ammonia supplier is made smaller when a differential pressure change rate at the time when ammonia is supplied by the ammonia supplier is lower than a predetermined threshold than…

VEHICULAR COOLING SYSTEM

Granted: June 22, 2017
Application Number: 20170175612
An cooling system including an oil circulation circuit includes a first circuit including an electric oil pump that discharges oil as a coolant to be supplied to an inverter and respective motors, and an HV radiator that cools the oil to be supplied to the inverter and the respective motors, and a second circuit including a mechanical oil pump that discharges the oil to be supplied to a lubrication-required part without passing through the HV radiator.

FUEL INJECTION CONTROLLER FOR INTERNAL COMBUSTION ENGINE

Granted: June 22, 2017
Application Number: 20170175653
A fuel injection controller for an internal combustion engine is provided. The fuel injection controller includes an electronic control unit configured to (a) execute main fuel injection and auxiliary fuel injection in one engine cycle; and (b) execute the auxiliary fuel injection at least once in a particular period that includes timing at which a intake valve starts opening, so that fuel injected in the auxiliary fuel injection is carried by a reverse tumble stream, the reverse tumble…

AIR FUEL RATIO CONTROL FOR AN INTERNAL COMBUSTION ENGINE THAT CAN BE OPERATED WITH FUELS AT DIFFERENT PROPERTIES

Granted: June 22, 2017
Application Number: 20170175663
The air-fuel ratio feedback control is performed by using a first correction value which is determined depending on a difference between a detected air-fuel ratio (A/F) of an air-fuel mixture and a target A/F and a second correction value which is determined depending on the property of the fuel. Further, fuel property learning control is carried out to correct the first correction value and the second correction value so that an absolute value of the first correction value is not more…

INTERNAL COMBUSTION ENGINE

Granted: June 22, 2017
Application Number: 20170175681
When a deceleration request is issued while the engine load of an internal combustion engine 10 is in a predetermined high-load region, and the vehicle is decelerated so that the engine load transitions from the high-load region to a low-load region to respond to the deceleration request, control is performed that continues a fuel supply from injectors 36 of a first cylinder #1 and a fourth cylinder #4 and cuts a fuel supply from injectors 36 of a second cylinder #2 and a third cylinder…

TORSIONAL VIBRATION REDUCING APPARATUS

Granted: June 22, 2017
Application Number: 20170175851
A torsional vibration reducing apparatus is provided. The torsional vibration reducing apparatus includes a rotating body having a rolling chamber, and a rolling body including a support shaft portion, a first flange portion, a second flange portion, a first corner portion, and a second corner portion. The support shaft portion is housed in the rolling chamber. The flange portions are located respectively at either end of the support shaft portion in an axial direction. A position…

DIFFERENTIAL GEAR

Granted: June 22, 2017
Application Number: 20170175876
A gear is configured such that: a ring gear, a drive pinion shaft having a pinion gear meshing with the ring gear, and rolling bearings supporting the drive pinion shaft such that the drive pinion shaft is rotatable are accommodated in a differential housing; the differential housing is divided into a differential mechanism chamber in which to accommodate the ring gear, and a pinion shaft chamber in which to accommodate the rolling bearings; and a feed oil passage configured to supply…

CRIMP TERMINAL AND TERMINAL CRIMPING DEVICE

Granted: June 22, 2017
Application Number: 20170179614
A crimp terminal includes a terminal connecting portion, an electric wire connecting portion, and a coupling portion. The electric wire connecting portion is divided into a bottom placed on a recessed surface of a first die and on which an end of an electric wire is placed during the crimping process, a first barrel piece extending from a first end of the bottom and wound around the end of the electric wire, and a second barrel piece extending from a second end of the bottom and wound…

CRIMP TERMINAL AND TERMINAL CRIMPING DEVICE

Granted: June 22, 2017
Application Number: 20170179615
A terminal fitting includes a terminal connecting portion and an electric wire connecting portion. A water stop member is affixed to an inner wall surface of the electric wire connecting portion before crimping process and suppresses entering of water between the electric wire connecting portion and a core wire of the electric wire after the crimping. The electric wire connecting portion is formed into a U-shape by raising the first barrel piece and the second barrel piece from both ends…

CRIMP TERMINAL

Granted: June 22, 2017
Application Number: 20170179617
A water stop member of a crimp terminal is affixed to an inner wall surface of an electric wire connecting portion of a terminal fitting before crimping and forms into a first water stop area, a second water stop area, and a third water stop area after the crimping. The first water stop area suppresses entering of water from a space between the outer wall surface of a first barrel piece and the inner wall surface of a second barrel piece in the electric wire connecting portion. The…

CRIMP TERMINAL

Granted: June 22, 2017
Application Number: 20170179618
A water stop member of a crimp terminal is affixed to the inner wall surface of an electric wire connecting portion of a terminal fitting before crimping and forms into a first water stop area, a second water stop area, and a third water stop area after the crimping. The first water stop area suppresses entering of water from a space between the outer wall surface of a first barrel piece and the inner wall surface of a second barrel piece in the electric wire connecting portion. The…

CRIMP TERMINAL

Granted: June 22, 2017
Application Number: 20170179619
A crimp terminal includes: a terminal fitting having a terminal connecting portion electrically connected to a counterpart terminal and an electric wire connecting portion electrically connected by crimping to an end portion of an electric wire placed on an inner wall surface thereof; and a second water stop portion that is pasted on the inner wall surface of the electric wire connecting portion before crimping and that, after crimping, forms a second water stop area capable of…

COMMUNICATION SYSTEM AND INFORMATION COLLECTION METHOD EXECUTED IN COMMUNICATION SYSTEM

Granted: June 22, 2017
Application Number: 20170180370
An information collection method includes determining whether or not a vehicle satisfies predetermined conditions when a target device receives a test mode start request from an collection device, and when it is determined that the vehicle satisfies the predetermined conditions, starting the test mode. In the test mode, update of a predetermined counter is stopped. The collection device generates a first MAC based on the count value received from the target device and transmits an attack…