Nissan Patent Grants

Shutdown and storage method for fuel cell system at below freezing temperatures

Granted: January 28, 2020
Patent Number: 10547067
Improved methods are disclosed for shutting down and storing a fuel cell system, particularly for below freezing temperature conditions. The methods comprise stopping power production from the fuel cell stack, monitoring its temperature, and repeatedly performing a predetermined warming operation if the stack temperature falls to a normal threshold temperature. In the improved methods, either an initial threshold temperature and/or an initial warming operation are used that differ from…

Failure diagnostic device and failure diagnostic method

Granted: January 28, 2020
Patent Number: 10543604
A failure diagnostic device for performing a failure diagnosis on a multi-axis robot includes a position detector that detects a movement position of each of joint shafts included in the multi-axis robot, a torque detector that detects a disturbance torque applied to the joint shaft, a routine-operation determination circuit that determines whether or not the multi-axis robot is executing a predefined routine operation, from the movement position detected by the position detector, a…

Vehicle seat and stiffness setting method for vehicle seat

Granted: January 28, 2020
Patent Number: 10543764
A vehicle seat (1) includes a seat cushion (2) and a seat back (3), in which the seat cushion (2) is given a stiffness distribution in a front-rear direction in such a way that a front part of the seat cushion is provided with a low stiffness region (PSc) which is more flexible than a rear part of the seat cushion being a high stiffness region (PHc).

Structured multivariate contextual vehicle operation with integrated semiotic control

Granted: January 28, 2020
Patent Number: 10543828
Structured multivariate contextual vehicle operation with integrated semiotic control may include identifying operational environment information representing a current operational environment for the vehicle, identifying a vehicle control action for controlling the vehicle to traverse a portion of a vehicle transportation network, identifying vehicle control modification information in response to the operational environment information, identifying vehicle control information in…

Condensed heterocyclic compounds and pesticides

Granted: January 28, 2020
Patent Number: 10544163
To provide novel pesticides, especially insecticides or acaricides. A condensed heterocyclic compound represented by the formula (1) or its salt, or N-oxide thereof: wherein Q is a structure represented by Q1, Q2 or the like, D substituted with —S(O)nR1 is a structure represented by D1 or D2, A1 is N(A1 a) or the like, A1 a is C1-C6 alkyl or the like, A4 is a nitrogen atom or C(R4), A5 is a nitrogen atom or C(R5), R1 is C1-C6 alkyl or the like, each of R2, R5 and R6 is…

Sugar derivative gelators

Granted: January 28, 2020
Patent Number: 10544181
A novel gelator including a sugar derivative; a gelator including a compound of Formula (1) or Formula (2): wherein R1 is a linear or branched alkyl group having a carbon atom number of 9 to 20, a cyclic alkyl group having a carbon atom number of 13 to 20, or a linear or branched alkenyl group having a carbon atom number of 9 to 20, R2 is a hydrogen atom, a linear or branched alkyl group having a carbon atom number of 1 to 10, or an aryl group optionally having a substituent, and R3…

Negative electrode active material for electric device, negative electrode for electric device and electric device

Granted: January 28, 2020
Patent Number: 10547053
A negative electrode active material for an electric device includes an alloy containing greater than or equal to 29% by mass of silicon and containing tin, carbon and inevitable impurities as a residue.

Solid oxide fuel cell system and method of controlling the same

Granted: January 28, 2020
Patent Number: 10547068
A solid oxide fuel cell system includes a solid oxide fuel cell, a combustor disposed in a cathode gas supply line of the fuel cell, a fuel supply unit configured to supply a fuel to the combustor, and a cathode gas supply unit configured to supply a cathode gas to the cathode gas supply line. The system further includes a stop control unit configured to perform a stop control of the fuel cell, which includes a control that sets a cathode gas supply amount from the cathode gas supply…

Electrode catalyst layer for fuel cell

Granted: January 28, 2020
Patent Number: 10547075
To provide a catalyst layer for a fuel cell, which exhibits excellent power generation performance even in the case of reducing the used amount of a catalyst. It is an electrode catalyst layer for a fuel cell comprising a catalyst, a porous carrier for supporting the above-mentioned catalyst, and a polymer electrolyte, in which a mode diameter of the pore distribution of the above-mentioned porous carrier is 4 to 20 nm, and the above-mentioned catalyst is supported in a pore with a pore…

Variable magnetization machine controller

Granted: January 28, 2020
Patent Number: 10547261
A variable magnetization machine control system comprising a controller configured to generate a reversely rotating d-axis/q-axis current vector trajectory during a change in a magnetization state of a variable magnetization machine to drive the variable magnetization machine at a predetermined speed while maintaining the driving voltage below a predetermined maximum magnitude.

Ketone or oxime compound, and herbicide

Granted: January 21, 2020
Patent Number: 10537099
There is provided novel agricultural chemicals, in particular herbicides. A ketone or oxime compound or a salt thereof of Formula (1): wherein B is a ring of any one of B-1, B-2, or B-3, Q is an oxygen atom, a sulfur atom, NOR7, etc., R6 is a hydrogen atom, C1-6 alkyl, etc., R7 is a hydrogen atom, C1-6 alkyl, etc., R8a, R8b, R9a, R9b, R10, R11, R12, R13, and R14 are each independently a hydrogen atom, C1-6 alkyl, etc., m is an integer of 1 or 2, n is an integer of 0, 1 or 2; and a…

System and method for monitoring an area surrounding a vehicle and vehicle trailer

Granted: January 21, 2020
Patent Number: 10538199
A vehicle monitoring system includes an electronic controller and a wireless communicator. The electronic controller is configured to receive data representing points of interest on a vehicle and on a trailer towed by the vehicle, determine geometric relationships between the points of interest based on the data, and calculate an area surrounding the vehicle and the trailer based on the geometric relationships. The wireless communicator is operatively connected to the electronic…

Information presenting device and information presenting method

Granted: January 21, 2020
Patent Number: 10538252
An information presenting device is mounted in an autonomous vehicle in which an action candidate for the vehicle to take is settable based on selection from presented selection information made by an occupant. The information presenting device sets the action candidate for the autonomous vehicle to take, calculates a selection margin time from a current time point to a time point at which the occupant should complete the selection from the selection information, sets the selection…

Air intake device for internal combustion engine

Granted: January 21, 2020
Patent Number: 10539103
An intake device for an internal combustion engine, the intake device includes: a housing constituting an intake passage; a valve element including a valve portion arranged to open and close a part of the intake passage, and thereby to strengthen an intake air flow; and a receiving portion which is formed on a bottom wall of an aeration passage of the housing, and which is recessed in an arc shape along a movement trajectory of the valve portion, the valve portion including an outer side…

Control apparatus and control method

Granted: January 21, 2020
Patent Number: 10541638
A control apparatus for controlling an electrical unit driven by AC power, the control apparatus comprising a pair of switching elements configured to convert power from a power source into AC power and supply the AC power to the electrical unit. The control apparatus comprises the steps of generating a PWM signal on the basis of the duty command value calculated by the calculation unit and a carrier signal for performing the PWM control; controlling the AC power supplied to the…

Vehicle traveling control method and vehicle traveling control device

Granted: January 14, 2020
Patent Number: 10532731
A vehicle traveling control method includes determining a driver's intention for acceleration during vehicle traveling, predicting, when a determination is made that the driver has no intention for acceleration, which is superior between a first fuel consumption reduction effect by inertial traveling and a second fuel consumption reduction effect by deceleration energy regeneration, the inertial traveling making the vehicle travel, with power transmission disconnected between an engine…

Start control device for hybrid vehicle

Granted: January 14, 2020
Patent Number: 10532733
A hybrid vehicle start control device is provided for a hybrid vehicle that ensures an EV reverse starting intended by a driver, even when an engagement command is issued to an engagement clutch that selects an ICE gear shift stage, when carrying out EV reverse starting. In this hybrid vehicle, a multistage gear transmission includes an EV shift actuator that selects an EV gear shift stage, and ICE shift actuators that select an ICE gear shift stage. A starting controller operates the EV…

Fluorine atom-containing polymer and use of same

Granted: January 14, 2020
Patent Number: 10533070
Provided is a fluorine atom-containing polymer which is a condensation polymer of a fluorene derivative that provides a repeating unit represented by formula (1), a fluorene derivative that provides a repeating unit represented by formula (2) and a fluorene derivative that provides a repeating unit represented by formula (3).

Automatic transmission and control method therefor

Granted: January 14, 2020
Patent Number: 10533656
In a vehicle having a continuously variable transmission, a controller selectively performs a first control mode in which a transmission ratio is controlled in a stepless manner, and a second control mode in which the transmission ratio is controlled in a stepwise manner to perform an upshift after a vehicle speed has increased. When the second control mode is selected in response to a driver's acceleration request, the controller continuously downshifts the transmission ratio until the…

Electrical device

Granted: January 14, 2020
Patent Number: 10535870
An electrical device having a power generating element which includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a separator, in which the coating amount of a negative electrode active material layer is set at 4 to 11 mg/cm2, the negative electrode active material represented by Formula (1), the positive electrode active material represented by Formula (2), and in that case, as a solid…