Nissan Patent Grants

Baffle plate and seal member of a driving force transmission device

Granted: March 26, 2024
Patent Number: 11940043
A baffle plate (4) including a body portion (5), a cover portion (8, 9) and a seal member (88, 98), a final gear (25) and a driven sprocket (DS) disposed in an accommodating chamber (Sa, Sb) of the baffle plate (4), an oil pump (OP) serving as a source of oil (OL) for lubrication, and an oil pan (16) are provided. At least one of the body portion (5), the cover portions (8, 9) and the seal members (88, 98) includes a material that shrinks as the temperature of the oil (OL) decreases. The…

EGR control method and EGR controller

Granted: March 26, 2024
Patent Number: 11939928
An EGR valve is provided in an EGR passage circulating a part of an exhaust gas of an exhaust pipe in an intake pipe as an EGR gas, the EGR valve adjusting an EGR gas amount flowing in the EGR passage when an engine is in an EGR region, a differential pressure device is provided in the intake pipe, the differential pressure device adjusting a differential pressure of the EGR valve, a control unit is provided to control the EGR valve and the differential pressure device, and the EGR…

Information service method for vehicle dispatch system, vehicle dispatch system, and information service device

Granted: March 26, 2024
Patent Number: 11938965
Vehicle allocation system includes an information provision apparatus, a first apparatus: control apparatus, and a user's second apparatus: user terminal apparatus. Processor of the information provision apparatus calculates a first driving plan for a vehicle in response to request information. When a second driving plan different from the first driving plan is calculated based on detection information acquired from the vehicle, the processor determines the cause of a change in the…

Voice dialogue device, voice dialogue system, and control method for voice dialogue system

Granted: March 26, 2024
Patent Number: 11938958
The present disclosure including determining that a state of a load on an occupant in a vehicle on the basis of at least one of a traveling state of the vehicle (100), an external environment state of the vehicle, and a state of the occupant in the vehicle, and executing a dialogue with the occupant by executing a dialogue program corresponding to the state of the load on the occupant.

Method and device for controlling vehicle motion during acceleration in the lateral direction

Granted: March 26, 2024
Patent Number: 11938951
A vehicle motion control method controls a motion state of a vehicle during a vehicle transient motion in which an acceleration in a lateral direction is generated in the vehicle. The vehicle motion control method includes: setting a corrected longitudinal acceleration for correcting a basic longitudinal acceleration determined in accordance with a required driving force for traveling of the vehicle; and determining a target longitudinal acceleration from the basic longitudinal…

Control method for fuel cell system, and fuel cell system

Granted: March 26, 2024
Patent Number: 11938840
A control method includes acquiring the operation stop request of the fuel cell system, acquiring a next vehicle operation start timing, and calculating a first energy cost and a second energy cost at a predetermined timing after acquiring the operation stop request and the next vehicle operation start timing. The first energy cost is an energy cost required from the predetermined timing to completion of warming up of the fuel cell when a warm-up control is executed using the heater in…

Device for cooling and lubricating an electric power train of an electric or hybrid motor vehicle

Granted: March 26, 2024
Patent Number: 11938807
A device cools a power train of a vehicle including an electric machine with a wound rotor coupled to a speed reducer. The device includes: an oil cooling circuit for cooling the electric machine, the circuit include a heat exchanger connected to an oil tank and a water circuit that connects members of the power train through the radiator of the vehicle; a temperature adjuster of the oil flow supplied at the outlet of the exchanger to a distribution circuit projecting the oil to elements…

Battery device

Granted: March 19, 2024
Patent Number: 11935998
A battery device comprises a nonaqueous electrolyte secondary battery provided with an electric power generating element and a pressing member which presses the electric power generating element in the stacking direction. The electric power generating element comprises: a positive electrode with a positive electrode active material layer of a positive electrode active material on the surface of a positive electrode collector; a negative electrode with a negative electrode active material…

Vehicle tracking unit

Granted: March 19, 2024
Patent Number: 11937387
A vehicle includes a cockpit module skin, a cross-bar and a vehicle tracking unit. The cockpit module skin separates a passenger compartment into a first area and a second area. The cross-bar is supported to a vehicle body component in the first area. The vehicle tracking unit has an electric tracking module and a mounting bracket supporting the electric tracking module to the cross-bar.

Stator assembly for electric machine

Granted: March 19, 2024
Patent Number: 11936241
A stator assembly for an electric machine includes a first housing portion, a second housing portion, a stator body inserted into at least the first housing portion, a link for rotatably linking the stator body with the first housing portion, a first attachment for attaching the stator body to the first housing portion, and a second attachment for attaching the two housing portions to one another. The assembly includes an annular seal inserted axially between the stator body and the…

Supercharging pressure control method and supercharging pressure control device for internal combustion engine

Granted: March 19, 2024
Patent Number: 11933234
An engine is provided with a turbo charger including a wastegate valve. A first setpoint of opening of the wastegate valve is set in accordance with a target boost pressure. While a difference between the target boost pressure and a real boost pressure is large, the opening is controlled to a second setpoint, wherein the second setpoint is smaller than the first setpoint. While the opening is controlled to the second setpoint, it is determined whether a condition for limitation is…

Vehicle speed estimation method and vehicle speed estimation device for four-wheel drive vehicle

Granted: March 19, 2024
Patent Number: 11932258
A vehicle body speed estimation device and a vehicle body speed estimation method are provided for estimating a vehicle body speed of a four-wheel drive vehicle from a wheel speed of each wheel of the four-wheel drive vehicle. In the vehicle body speed estimation device and a vehicle body speed estimation method, a controller determines whether a deviation of at least two of the wheel speeds among the wheel speeds is within a first prescribed range. The controller switches a method for…

Vehicle control method and vehicle control device

Granted: March 19, 2024
Patent Number: 11932253
A vehicle control method includes: detecting, on a planned travel route of a host vehicle, a merging section in which a travel lane in which the host vehicle is traveling merges with another lane; determining whether or not to execute merging assistance control for assisting the host vehicle to change lanes into the other lane in the merging section; and when the merging assistance control is determined not to be executed in the merging section, controlling the speed of the host vehicle…

Method and device for controlling hybrid vehicle

Granted: March 19, 2024
Patent Number: 11932235
A hybrid vehicle control method controls a hybrid vehicle having an electric power source, a vehicle electrical equipment and drive motor to which electric power is supplied from the electric power source. The vehicle electrical equipment and the drive motor are electrically connected to the electric power source via at least a shared harness. When a temperature of the harness is equal to or greater than a predetermined temperature, upper limit values of electric power supplied from the…

Electric vehicle control method and electric vehicle control system

Granted: March 19, 2024
Patent Number: 11932138
An electric vehicle control method for braking of an electric vehicle applies a front braking torque to a front drive motor that drives a front wheel and applies a rear braking torque to a rear drive motor that drives a rear wheel. The method includes: during the braking, executing a torque limiting process (process B, process C, front braking torque control) that reduces the front braking torque and the rear braking torque when a slip of the front wheel is detected; and executing a…

Contactless electricity supply system for vehicle

Granted: March 19, 2024
Patent Number: 11932127
A contactless electricity supply system for a vehicle includes a power transmitter coil unit provided on a ground-side and a lifting device for lifting up the power transmitter coil unit from the ground. The power transmitter coil unit supplies electricity to a power receiving coil unit by magnetic coupling therewith. The power transmitter coil unit includes a case that houses a power transmitter coil. A bulge is formed on an upper face of the case around a winding center axis of the…

Abnormality determination apparatus, abnormality determination system, and abnormality determination method

Granted: March 19, 2024
Patent Number: 11931904
An abnormality determination apparatus of the present invention acquires state data from work equipment provided with an attaching part to which a plural kinds of work parts are attached in a replaceable manner, identifies the kind of a work part attached to the attaching part, sets, corresponding to the identified kind of the work part, abnormality determination data for determining an abnormality of the work equipment, acquires, from among state data acquired from the work equipment,…

Pendulum type mount system

Granted: March 12, 2024
Patent Number: 11926217
A pendulum type mount system includes a pair of upper mounts that mount upper portions of a powerplant unit on a vehicle body, and a pair of first and second lower torque rods. The first and second lower torque rods are located on opposite sides to each other with respect to a reference plane including a gravity center of the powerplant unit. A first spring constant of the first lower torque rod is not smaller than a second spring constant of the second lower torque rod. A distance…

Vehicle dispatch service boarding location determination method, and vehicle dispatch service boarding location determination device

Granted: March 12, 2024
Patent Number: 11928619
A vehicle dispatch service boarding location determination method uses a vehicle dispatch information data server and a terminal to determine a boarding location for a dispatched vehicle based on a vehicle dispatch request from the terminal. When there is a vehicle dispatch request, position information of a vehicle dispatch request point is acquired. Boarding location candidates present in a periphery of the vehicle dispatch request point are calculated based on the position information…

Control method and control device for internal combustion engine

Granted: March 12, 2024
Patent Number: 11927166
A control method is provided for an internal combustion engine which includes a turbocharger, and which is connected to a stepped automatic transmission. The control method includes judging whether or not an upshift of the automatic transmission is performed; performing a first torque down control by an ignition timing retard of the internal combustion engine during the upshift; judging whether or not a predicted torque estimated from a driving condition of the internal combustion engine…