Nissan Patents

Nissan Motor Company Ltd. manufactures and sells automobiles under the Nissan, Datsun and Infiniti brands.

Nissan Patents by Type

  • Nissan Patents Granted: Nissan patents that have been granted by the United States Patent and Trademark Office (USPTO).
  • Nissan Patent Applications: Nissan patent applications that are pending before the United States Patent and Trademark Office (USPTO).
  • Publication number: 20170267287
    Abstract: A method of assisting a driver of a vehicle in driving a road, the method includes determining a location of a road boundary along a segment of a road relative to the vehicle using a sensor, selecting, via a controller, a parameter for the segment of the road, the parameter including a plurality of values corresponding to a plurality of boundary locations along the segment of the road, determining, via the controller, whether the vehicle is approaching the road boundary based on a vehicle trajectory and the location of the plurality of boundary locations, and providing a feedback operation to assist the driver in avoiding the road boundary, the feedback operation based on the selected parameter.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 21, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Yoshiro TAKAMATSU, Yuji TAKADA, Yoshinori KUSAYANAGI, Norimasa KISHI
  • Publication number: 20170268569
    Abstract: A bearing structure has a crankshaft rotatably supported by a crankshaft bearing part, formed of a cylinder block of an internal combustion engine and a first bearing cap, through a bearing metal, a second shaft rotatably supported by a second shaft bearing part formed of the first bearing cap and a second bearing cap, wherein the bearing metal has a bearing metal planar portion for rotatably supporting the crankshaft with an entire inner peripheral surface of the bearing metal, the inner peripheral surface at which the bearing metal planar portion is formed, a bearing metal oil groove portion formed with an oil groove formed to extend circumferentially in an inner peripheral surface of the bearing metal, the inner peripheral surface at which the bearing metal oil groove portion is formed, a first oil hole opening at the oil groove, and a second oil hole opening at the oil groove.
    Type: Application
    Filed: August 11, 2014
    Publication date: September 21, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Satoru Ookuma, Hiroaki Hoshikawa
  • Publication number: 20170267229
    Abstract: A filter processor of a control apparatus for a rotary electric machine filters target torque for the rotary electric machine to suppress a vibrational frequency component of a drivetrain using a filter having a frequency transfer characteristic. A controller performs drive control of the rotary electric machine according to the filtered target torque. A parameter calculator calculates, according to a running condition of the vehicle, a parameter associated with a request value for responsivity of output torque of the rotary electric machine with respect to the target torque. A variable setter variably sets the frequency transfer characteristic of the filter to decrease a degree of attenuation of the vibrational frequency component with an increase of the request value for the responsivity of the output torque.
    Type: Application
    Filed: August 21, 2015
    Publication date: September 21, 2017
    Applicants: DENSO CORPORATION, NISSAN MOTOR CO., LTD.
    Inventors: Syo HASHIMOTO, Shuichi ORITA
  • Publication number: 20170266644
    Abstract: An exhaust gas purification catalyst includes: a first catalyst unit that consists of a hydrogen generating catalyst including a noble metal and an oxide that contains lanthanum, zirconium and an additional element such as neodymium; a second catalyst unit that consists of an oxygen storage/release material and a perovskite oxide disposed in contact with the oxygen storage/release material and represented by the general formula LaxM11-xM2O3-?, where La is lanthanum, M1 is at least one element selected from the group consisting of barium (Ba), strontium (Sr) and calcium (Ca), M2 is at least one element selected from the group consisting of iron (Fe), cobalt (Co) and manganese (Mn), x satisfies 0<x?1, and ? satisfies 0???1; and a holding material that holds the first catalyst unit and the second catalyst unit in a mutually separated state.
    Type: Application
    Filed: January 16, 2015
    Publication date: September 21, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Junji ITO, Yasunari HANAKI, Tetsuro NAITO, Misaki AKAISHI
  • Publication number: 20170267286
    Abstract: A method of assisting a driver of a vehicle includes obtaining a feature of a road to be traveled by the vehicle with a sensor and/or a GPS system. A parameter is selected to assist a driver of the vehicle in driving a segment of the road based on the feature of the road. The parameter includes information on the location of a boundary along the road and a preferred trajectory to be driven along the road. A controller determines whether a current trajectory of the vehicle while travelling the road is deviating from the preferred trajectory of the vehicle along the road. A feedback operation is provided to assist the driver in guiding the vehicle nearer to the preferred trajectory based on the selected parameter.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 21, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Yoshiro TAKAMATSU, Yuji TAKADA, Yoshinori KUSAYANAGI, Norimasa KISHI
  • Patent number: 9767372
    Abstract: A target detection apparatus acquires an image by imaging the surroundings of a vehicle, detects a self-position of the vehicle based on an amount of movement of the vehicle from an initial position thereof, and estimates a relative position of a target, located around the vehicle, with respect to the vehicle based on the self-position and information on a position of the target on a map. The target detection apparatus sets a detection area for the target within the image based on the relative position of the target with respect to the vehicle, and detects the target from the detection area. The target detection apparatus estimates error contained in the self-position based on the amount of movement of the vehicle from the initial position, and adjusts the size of the detection area for the target according to the error.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: September 19, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Daiki Yamanoi, Hidekazu Nishiuchi, Toshiyuki Andou, Hiroshi Satoh, Haruo Matsuo
  • Patent number: 9764451
    Abstract: A brake pipe fitting tool includes a first hydraulic pipe wrench, a second hydraulic pipe wrench, a connecting portion and a handle portion. The first hydraulic pipe wrench has a first jaw defining a first hydraulic pipe insertion opening. The second hydraulic pipe wrench has a second jaw defining a second hydraulic pipe insertion opening. The connecting portion connects the first hydraulic pipe wrench to the second hydraulic pipe wrench such that the first hydraulic pipe wrench and the second hydraulic pipe wrench are fixedly and rigidly connected to one another and spaced apart from one another by a predetermined distance. The first hydraulic pipe insertion opening and the second hydraulic pipe insertion opening are parallel to one another and aligned with one another. The handle portion is rigidly fixed to one of the first hydraulic pipe wrench, the second hydraulic pipe wrench or the connecting portion.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: September 19, 2017
    Assignee: Nissan North America, Inc.
    Inventors: Paul Robson, Scott Warnecke
  • Patent number: 9768438
    Abstract: A device for injecting a liquid electrolyte into a battery addresses a problem that the injection amount of the liquid electrolyte becomes excessive because the liquid electrolyte volatizes at injection if remaining in a chamber. The device has a liquid injecting pump for injecting the liquid electrolyte into the battery positioned inside the chamber which has been sealed in a depressurized state and a vacuum pump for depressurizing the inside of the chamber. A vacuum attainment time until a pressure of the inside of the chamber becomes in a predetermined vacuum state is measured, and if this vacuum attainment time becomes longer than a predetermined value, the injection amount of the liquid electrolyte is corrected downwards.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: September 19, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Keisho Ishibashi, Ryo Inoue, Natsumi Satoh
  • Patent number: 9768468
    Abstract: A battery manufacturing method has a first depressurization step of depressurizing the inside of a liquid injecting chamber, an injection step of injecting, in the inside of the liquid injecting chamber, a liquid electrolyte into the battery through an opening portion formed at the top end of an outer case body of the battery, a second depressurization step of depressurizing the inside of a sealing chamber and a sealing step of sealing the opening portion in the inside of the sealing chamber. Vacuum attainment time until the pressure of the inside of the liquid injecting chamber becomes at a predetermined vacuum degree is measured in the first depressurization step, and if this vacuum attainment time exceeds a first threshold, a depressurization rate is reduced and a depressurization time is extended.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: September 19, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Keisho Ishibashi, Ryo Inoue, Natsumi Satoh
  • Publication number: 20170260925
    Abstract: An internal combustion engine includes a port injector that injects fuel into an intake port and a direct injection injector that injects fuel directly into a combustion chamber. When the internal combustion engine is in a low load condition while requiring fuel injection, a controller stops fuel injection through the port injector so that an entire required fuel injection amount is injected through the direct injection injector. As a result of this processing, the fuel pressure of the direct injection injector is reduced quickly in the low load condition.
    Type: Application
    Filed: August 21, 2014
    Publication date: September 14, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventor: Takanobu IKEUCHI
  • Publication number: 20170264279
    Abstract: A switching device according to the present invention comprises: a main circuit including a switching element; a control circuit which generates a control signal for switching the switching element between an on state and an off state; and a first signal line and a second signal line which transfer the control signal outputted from the control circuit, to the main circuit. The value of the characteristic impedance (Zcd) of the first and second signal lines is set between the value of the output impedance (Zab) of the control circuit and the value of the input impedance (Zef) of the main circuit.
    Type: Application
    Filed: November 6, 2014
    Publication date: September 14, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Akinori OKUBO, Throngnumchai KRAISORN, Kentaro SHIN
  • Patent number: 9758158
    Abstract: A hybrid vehicle control device is provided with at least one controller that controls the outputs of the engine and of the motor according to the driving state, the engagement and disengagement of the clutch, and the transmission ratio of the continuously variable transmission. The at least one controller is programmed to start the engine and forcibly downshift the continuously variable transmission to a transmission ratio with which it is possible to start on an uphill road upon determining that the vehicle is on an uphill road while in an electric vehicle mode in which it is possible to travel by the drive force of the motor with the clutch released and the engine stopped.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: September 12, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Akihiro Yamamoto, Morihiro Nagamine, Akira Takano, Shintaro Oshio, Yoshihisa Kodama, Takuro Hirano, Yukifumi Otsuka
  • Patent number: 9759139
    Abstract: A vehicle engine automatic control device has a brake operation amount detecting unit that detects an amount of brake operation by a driver, an engine stopping/re-starting unit that, during coast drive, stops an engine based on the amount of brake operation that is detected, and, after the engine stops, re-starts the engine when the amount of brake operation that is detected falls below a first threshold, and a first threshold setting unit that sets the first threshold smaller as vehicle speed becomes lower.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: September 12, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kouichi Mori, Motoyuki Hattori
  • Patent number: 9759323
    Abstract: A sliding member includes: a base; a chromium-based hard chromium plated layer formed on the surface of the base; a hard carbon layer that is mainly composed of carbon element and is formed on the hard chromium plated layer. The hydrogen concentration of the hard chromium plated layer is equal to or less than 150 mass ppm. A method for producing the sliding member involves heating the surface of the base on which the chromium-based hard chromium plated layer has been formed at a temperature of 250° C. or more so that the hydrogen concentration of the hard chromium plated layer is equal to or less than 150 mass ppm, and thereafter forming the hard carbon layer mainly composed of carbon element on the hard chromium plated layer.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: September 12, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Tsuyoshi Higuchi, Yutaka Mabuchi, Hideaki Kamiyama, Katsuaki Ogawa
  • Patent number: 9758038
    Abstract: A clutch control device is provided for a four-wheel drive vehicle for transmitting drive force to the rear wheels. The clutch control device includes a dog clutch and a friction clutch, and a controller that controls the engagement and disengagement of the dog clutch and the friction clutch. In this clutch control device, the four-wheel drive hybrid vehicle includes a disconnected, two-wheel drive mode and a connected, four-wheel drive mode. When a driver's foot is lifted off an accelerator in a low-speed region when the connected, four-wheel drive mode is selected, the 4WD control unit maintains the connected, four-wheel drive mode while the brakes are not depressed, and shifts the mode to the disconnected, two-wheel drive mode when the brakes are depressed.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: September 12, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Katsuyoshi Ogawa, Atsuhiro Mori, Shunichi Mitsuishi, Makoto Morita, Tetsu Takaishi
  • Patent number: 9761213
    Abstract: An acceleration sound generation device for a vehicle using at least one of an acceleration operation of the vehicle, an acceleration force generated by the acceleration operation, and an acceleration state obtained by the acceleration force as a control parameter. The acceleration sound generation device includes a sound generation unit and an acceleration sound delay unit. The sound generation unit generates an acceleration sound in a vehicle passenger compartment in response to an acceleration sound signal that is generated based on the control parameter. The acceleration sound delay unit delays output of the acceleration sound by the sound generation unit such that the acceleration sound changes and is delayed with respect to a change in the control parameter. The acceleration sound delay unit sets a delay degree of the acceleration sound at a rising time of the control parameter separately from at a falling time of the control parameter.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: September 12, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Shunichi Kanehara, Wataru Ogose, Koji Shionome
  • Patent number: 9761851
    Abstract: A vehicle installed battery pack is provided with a pressure release structure. The vehicle installed battery pack includes a battery pack case, a battery pack module. The battery pack case includes a battery pack lower frame and a battery pack upper cover. The battery pack module is disposed in the battery pack lower frame. The battery pack upper cover is securely joined to the battery pack lower frame via a seal member that extends continuously about an entire perimeter of respective outside peripheral edge portion of the battery pack upper cover. The battery pack upper cover includes a deforming stepped portion having a height difference at least in a heightwise direction; and a weakly joined portion having a lower joint strength than other joined portions being set in an area of the seal member extending continuously about the entire perimeter. The area corresponds to the deforming stepped portion.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: September 12, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takeshi Onodera, Nobuyoshi Suzuki
  • Patent number: 9759165
    Abstract: An upper-limit threshold value and a lower-limit threshold value of a fore-and-aft differential pressure of an EGR control valve is calculated based on an intake-air quantity detected by an airflow meter. An actual fore-and-aft differential pressure of the EGR control valve is calculated from detected values of an upstream-side pressure sensor and a downstream-side pressure sensor. Then, these threshold values are compared with the actual fore-and-aft differential pressure, and when the actual fore-and-aft differential pressure exceeds the upper-limit threshold value or when the actual fore-and-aft differential pressure is less than the lower-limit threshold value, it is determined that the pressure loss of an intake and exhaust system has changed. If it is determined that the pressure loss of an intake and exhaust system has changed, EGR is inhibited, and if not so, EGR is permitted to be performed. These threshold values are varied depending on a target EGR rate.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: September 12, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Daisuke Takaki, Hirofumi Tsuchida, Takeshi Tsuyuki
  • Publication number: 20170253119
    Abstract: A vehicle control device separately controls driving powers distributed to right and left wheels. The vehicle control device is configured to execute a vehicle posture control for reducing the driving powers transmitted from a driving source to the wheels by a request from a vehicle side. The vehicle control device includes a slip detection unit and a torque control unit. The slip detection unit is configured to detect a slip in the wheels. The torque control unit is configured to determine whether to perform a torque control after an operation of the vehicle posture control according to a detection result of the slip and a state of a transmission. The torque control is a control to control a torque input to the transmission by a request from the transmission side. The torque control unit is configured to execute the torque control on the basis of a determination result.
    Type: Application
    Filed: June 8, 2015
    Publication date: September 7, 2017
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventor: Tomoyuki SUWABE
  • Patent number: 9754719
    Abstract: A cutting method and a cutting device of cutting a magnet body including a coating film feed, in a state where the magnet body in which cutout grooves serving as brittle sections are provided on a lower surface along cutting planned positions is supported by dies serving as two support points from the lower side, the magnet body to a position where the brittle section is arranged between both the support points, and press the magnet body from the upper side of a position offset rearward in the feeding direction from the brittle section between both the support points, so as to cut the magnet body into a cut magnet body and a magnet piece smaller than the cut magnet body while cutting the coating film.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takumi Ohshima, Kiyoshi Hasegawa, Kimio Nishimura, Takashi Sekikawa, Yasushi Matsushita, Akihisa Hori, Michito Kishi
  • Patent number: 9754172
    Abstract: A three-dimensional object detection device includes an image capturing unit, a detection area setting unit, an image conversion unit, a three-dimensional object detection unit, a reference image area setting unit, a contour information extraction unit, a reference sharpness calculation unit and a subject sharpness calculation unit. The image conversion unit converts a viewpoint of an image obtained by the image capturing unit to create a bird's-eye view image. The reference image area unit sets a reference image area for extracting contour information by the contour information extraction unit. The reference sharpness calculation unit calculates a reference sharpness using contour information of the reference image area. The subject sharpness calculation unit calculates a subject sharpness using contour information of the detection area.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yasuhisa Hayakawa, Osamu Fukata
  • Patent number: 9755243
    Abstract: This electrode catalyst layer for fuel cells is provided with: an electrode catalyst that comprises a conductive carrier and platinum-containing metal particles supported on the surface of the conductive carrier; and an ionomer that covers the electrode catalyst. This electrode catalyst layer for fuel cells is characterized in that the average thickness of the ionomer is 2.4 nm or less. This electrode catalyst layer for fuel cells is capable of having a good balance between proton transport properties and transport properties for a gas such as an oxidant gas or a fuel gas even in cases where the amount of supported platinum is decreased. In addition, an electrode for fuel cells, a membrane electrode assembly for fuel cells, and a fuel cell, each having good current-voltage characteristics, can be obtained using the above-described electrode catalyst layer for fuel cells.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tetsuya Mashio, Atsushi Ohma, Yoshitaka Ono, Hiroshi Iden
  • Patent number: 9755280
    Abstract: A control device of a secondary battery uses, as material of a positive electrode, positive electrode active material that shows a difference of an open circuit voltage curve between charging and discharging. A storing unit stores, as discharge open circuit voltage information, a relationship between an SOC in a discharge process and an open circuit voltage for each changeover SOC that is an SOC when changing a state of the secondary battery from the charge to the discharge. An SOC calculating unit calculates the SOC of the secondary battery in the discharge process on the basis of a changeover SOC when actually performing the change from the charge to the discharge and the discharge open circuit voltage information stored in the storing unit. It is therefore possible to properly detect the SOC during the discharge.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tomohiro Kaburagi, Yasuhiko Ohsawa, Atsushi Itou, Takuya Kinoshita
  • Patent number: 9755253
    Abstract: A fuel cell system includes a fuel cell stack, a compressor, a cathode flow passage, a bypass flow passage branching from the cathode flow passage, thereby bypassing the stack, a bypass valve adjusting a bypass flow rate, a stack flow rate sensor detecting a flow rate to the stack, and a compressor flow rate sensor detecting a flow rate into the compressor. A flow rate for the stack depending on a state of a fuel cell and a flow rate the compressor controls depending on a requirement different from that of the stack are calculated. A control unit controls, when the flow rate required from the compressor is more than that required by the stack, the compressor based on the flow rate required from the compressor and a detected compressor flow rate, and controls the bypass valve based on the flow rate required by the stack and a detected stack flow rate.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yoshitomo Asai, Hiroshi Takeda
  • Patent number: 9751526
    Abstract: A torque assist using a motor generator mechanically coupled to an output shaft of an engine via a belt is prohibited during a lock-up transition from a state where a lock-up clutch is released to a state where the lock-up clutch is engaged, and the torque assist using the motor generator is permitted when a condition for the execution of the torque assist is satisfied except during the lock-up transition.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: September 5, 2017
    Assignees: NISSAN MOTOR CO., LTD., JATCO LTD
    Inventors: Kouichi Mori, Shigeru Tomoda
  • Patent number: 9755257
    Abstract: The cooling capacity of a first heat exchanger for cooling a reformed gas introduced into an inlet of a circulation pump is increased as an output of a fuel cell increases. With this configuration, an inlet temperature of the circulation pump is relatively high during low power generation and decreases as the generation power increases, and a volumetric flow rate during high power generation in which a large amount of reformed gas is required can be decreased relatively. As the result, a dynamic range required for the circulation pump can be made small. Furthermore, water condensation in the inlet of the circulation pump can be prevented during low power generation.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: September 5, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Hiromichi Miwa
  • Patent number: 9751423
    Abstract: A vehicle control system has a battery installed in a vehicle and capable of being charged with electricity supplied from an external power source outside the vehicle, an auxiliary device that operates by consuming the electricity supplied from the external power source or the battery, a communication unit that transmits information about the vehicle outward from the vehicle, and a control unit that directs the communication unit to transmit information about predetermined notice to a user of the vehicle when a predetermined condition for activating the auxiliary device is fulfilled and when the external power source is not available. The predetermined condition is that a request for activating the auxiliary device is made but the auxiliary device cannot start or continue operating.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: September 5, 2017
    Assignee: NISSAN MOTOR CO., LTD
    Inventors: Hisashi Niioka, Naoki Yamamoto
  • Patent number: 9755544
    Abstract: A power conversion device (1) of the present invention includes a power module (4) for converting direct current electricity to alternating current electricity, first and second power supply buses (5, 6) connecting input terminals (12, 13) and the power module (4), and a metal casing (7) for housing the first and second power supply buses (5, 6) and the power module (4). The capacitive coupling between the first power supply bus (5) and the metal casing (7) and the capacitive coupling between the second power supply bus (6) and the metal casing (7) are substantially matched. Thus, radiation noise is reduced by reducing the propagation of switching noise to the metal casing.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: September 5, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kentarou Shin, Kraisorn Throngnumchai
  • Patent number: 9755535
    Abstract: A power conversion apparatus is for converting polyphase ac power directly to ac power. A conversion circuit includes a plurality of first switching devices 311, 313, 315 and a plurality of second switching devices 312, 314, 316 connected, respectively, with the phases R, S, T of the polyphase ac power, and configured to enable electrical switching operation in both directions. There are provided a plurality of condensers 821˜826 connected with the conversion circuit. At least one of the condensers is provided, for each of the first switching devices and the second switching devices, between two of the phases of the polyphase ac power. It is possible to reduce a wiring distance between the condenser and the switching devices.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 5, 2017
    Assignees: NISSAN MOTOR CO., LTD., NAGAOKA UNIVERSITY OF TECHNOLOGY
    Inventors: Hironori Koyano, Takamasa Nakamura, Masao Saito, Kouji Yamamoto, Tsutomu Matsukawa, Manabu Koshijo, Junichi Itoh, Yoshiya Ohnuma
  • Patent number: 9755461
    Abstract: There are provided with: a secondary winding 20 to which an electric power is supplied in a non-contact manner from a primary winding 10 by an alternating-current power source; a first circuit section 21 connected in parallel to the secondary winding 20; and a second circuit section 22 connected in series to a parallel circuit of the secondary winding 20 and the first circuit section 21. An impedance of the first circuit section 21 is larger than an impedance of the second circuit section.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: September 5, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Toshihiro Kai, Throngnumchai Kraisorn, Yuuya Yamauchi, Yuusuke Minagawa
  • Publication number: 20170250432
    Abstract: Provided is a catalyst for fuel cell which has a high catalytic activity and enables maintaining the high catalytic activity. Disclosed is an electrode catalyst for fuel cell comprising a catalyst carrier containing carbon as a main component and a catalytic metal supported on the catalyst carrier, wherein the catalyst has the R? (D?/G intensity ratio) of 0.6 or less, which is the ratio of D? band peak intensity (D? intensity) measured in the vicinity of 1620 cm?1 relative to G band peak intensity (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy, and the volume ratio of a water vapor adsorption amount relative to a nitrogen adsorption amount at a relative pressure of 0.5 in adsorption isotherm is 0.15 or more and 0.30 or less.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 31, 2017
    Applicants: NISSAN MOTOR CO., LTD. IP Dept, NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Shinichi TAKAHASHI, Tetsuya MASHIO
  • Publication number: 20170248657
    Abstract: A power generation characteristic estimation device for fuel cell includes a reference characteristic setting unit for setting a reference power generation characteristic of a fuel cell, a current detection unit for detecting an actual current of the fuel cell, a voltage detection unit for detecting an actual voltage of the fuel cell, and a characteristic estimation unit for estimating an actual power generation characteristic of the fuel cell based on a voltage difference between a voltage on the reference power generation characteristic and an actual voltage at the actual current. The characteristic estimation unit estimates the power generation characteristic during a warm-up operation of the fuel cell when a pressure of a gas supplied to the fuel cell is not lower than a predetermined value.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Applicant: NISSAN MOTOR CO., LTD.
    Inventor: Michihiko MATSUMOTO
  • Patent number: 9745904
    Abstract: In order to prevent an abnormal combustion due to oil, a restriction region (B) is designated on a low-speed and high-load side of an internal combustion engine (1), and an opening of throttle valve (12) is restricted so that an engine operating condition is not observed within the restriction region (B). A predetermined designated inspection region (A) is set so as to include the restriction region (B), and it is judged whether or not the abnormal combustion actually occurred when the internal combustion engine (1) is running within the designated inspection region (A). If the abnormal combustion was detected, the restriction region (B) is expanded, meanwhile, if the abnormal combustion was not detected, the expanded restriction region (B) is gradually decreased. If the abnormal combustion occurred at a shorter interval than a threshold value, the restriction region (B) is expanded at once to a predetermined size.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Masaharu Kassai, Takashi Araki, Taisuke Shiraishi
  • Patent number: 9744960
    Abstract: A control system for a plug-in hybrid vehicle has a drive system having a starter motor, a transverse engine, and a motor/generator, and also has a power supply system having a high voltage battery; a capacitor; and a hybrid control module that controls charge and discharge of the capacitor. In the control system for an FF plug-in hybrid vehicle in which external charging of the high voltage battery is available, the hybrid control module starts the starter, performs a mode selection control and a charge/discharge control, maintains the capacitor voltage equal to or higher than a voltage that allows the starter to start-up when a CD mode is selected at the time of ignition ON, and maintains a capacitor voltage equal to or less than a voltage at which deterioration does not proceed at the time of ignition ON with the CS being selected.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: August 29, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Tomoyuki Kodawara
  • Patent number: 9748553
    Abstract: A battery pack is disposed at a lower part of a vehicular body. The battery pack (13) includes: a protrusion protruding in a vehicular upward direction and disposed at an upper face of the battery pack, and a dent portion disposed at the upper face of the battery pack (13) and formed lower than the protrusion, wherein an accessory is disposed in the dent portion.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kentaro Hatta, Makoto Iwasa, Nobuhiro Mori
  • Patent number: 9744966
    Abstract: A startup control device includes a vehicle temperature sensor configured to sense a temperature of the vehicle, a vehicle startup controller configured to select the second vehicle startup mode in a low temperature state in which the temperature of the vehicle is equal to or smaller than at least a first temperature judgment value when the request of the startup of the vehicle is sensed, and to select the third vehicle startup mode in an extremely low temperature state in which the temperature of the vehicle is equal to or smaller than a second vehicle temperature judgment value which is smaller than the first temperature judgment value when the request of the startup of the vehicle is sensed.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Daisuke Ouchi, Koichi Nakazato, Shuichi Orita, Kenji Hattori
  • Patent number: 9744982
    Abstract: A locking device for a motor vehicle having a steering column has a blocking bolt that locks the steering wheel shaft in the steering wheel column, wherein the blocking bolt is movable between a first and a second position, a return element that returns the blocking bolt to the first position, and at least one protection cover that at least partially covers the return element. In the first position, the blocking bolt is in blocking engagement with the steering wheel shaft. In the second position, the blocking bolt is disengaged from the steering wheel shaft. The return element is a torsion spring. The torsion spring is a coil spring with a coil body and a connection hook. A first end portion of the torsion spring has a hook extension, and is inserted into an opening of the blocking bolt and is covered at least partially by the blocking bolt.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Thilo Marx, Damien Vagney, Hubert Willmann, Kenjirou Hayashi
  • Patent number: 9744915
    Abstract: A travel control device includes ultrasonic obstacle detection sensors detecting an obstacle entering a rear side of a vehicle and a distance to the obstacle, and an image obstacle detection unit detecting the obstacle entering the rear side of the vehicle by using an image of the rear side. If a distance to the obstacle detected by the sensors is equal to or less than an activation threshold for warning, the travel control device issues a warning, and sets the activation threshold larger as the vehicle speed of the vehicle becomes high. If the vehicle is detected preparing to move rearward and the image obstacle detection unit detects the obstacle, the travel control device sets the activation threshold to a constant value regardless of the vehicle speed.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: August 29, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Toshimichi Gokan, Takeshi Sugano, Masahiro Kobayashi, Takeshi Yonezawa
  • Patent number: 9750085
    Abstract: An apparatus for controlling a vehicle, which includes: a battery (3) capable of being charged from an external power source (EPS); a power generation unit (PGU) capable of charging the battery (3); an electric heater (12) configured to produce heat with electric power from an electric power source; a heater core (11) configured to heat air by using any one of waste heat from the power generation unit (PGU) and the electric heater (12); and a controller (19) configured to perform control for selectively using the waste heat from the power generation unit (PGU) and the electric heater (12) as a heat source of the heater core (11) when the vehicle is parked.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Keisuke Suzuki, Yuki Nakajima, Naoki Ueda
  • Patent number: 9744844
    Abstract: A motor drive unit, in which an output end of a motor drive system using an electric motor as a power source and a rotator rotatably supported by a bearing unit are arranged side by side in an axial direction, and the output end of the motor drive system and the rotator are drivingly coupled in a relatively displaceable manner by a coupling member in which a plurality of couplers spaced apart in an axial direction are set. The bearing unit of the rotator is arranged such that a center of displacement of the rotator defined by the bearing unit is located between an arbitrary pair of couplers among the couplers.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 29, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takashi Senoo, Katsunori Asogawa
  • Patent number: 9746853
    Abstract: A method and apparatus for traffic signal timing estimation are disclosed. Traffic signal timing estimation may include a vehicle identifying transportation network information representing a vehicle transportation network including an intersection. The transportation network information may include expected traffic control device state information corresponding to the intersection, such as a support vector regression based machine learning model trained for the intersection. The vehicle may identify a route through the vehicle transportation network that includes the intersection based on the expected traffic control device state information and may control the traversal of the vehicle transportation network by the vehicle based on the expected traffic control device state information to minimize one or more operational cost metrics. Training the model may include identifying training data from input data previously generated and stored by a traffic control device controller of the intersection.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: August 29, 2017
    Assignee: Nissan North America, Inc.
    Inventors: Robert Scheepjens, Ali Mortazavi, Vikram Krishnamurthy
  • Publication number: 20170244125
    Abstract: The present invention relates to an electrode catalyst for fuel cell containing a catalyst carrier having carbon as a main component and a catalytic metal carried on the catalyst carrier, wherein the electrode catalyst for fuel cell has a ratio R? (D?/G intensity ratio) of a peak intensity of D? band (D? intensity) measured in the vicinity of 1620 cm?1 to a peak intensity of G band (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy of more than 0.6 and 0.8 or less, and satisfies at least one of the (a) to (d). According to the present invention, an electrode catalyst for fuel cell excellent in gas transportability is provided.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 24, 2017
    Applicants: NISSAN MOTOR CO., LTD., NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
    Inventors: Shinichi TAKAHASHI, Tetsuya MASHIO, Norifumi HORIBE, Atsushi OHMA
  • Patent number: 9738945
    Abstract: A forging process is conducted in a temperature range of 350-600° C. on at least a portion that is required to have a fatigue strength in an intermediate forged product having a ferrite and pearlite texture obtained by conducting a hot forging on a steel in which N is not greater than an amount at which N is unavoidably dissolved as a solid, thereby improving strength of the portion that is required to have a fatigue strength. With this, there is provided a forged product having a good strength and a low price.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Jun Yoshida, Daisuke Kaneko, Noriyuki Iwata
  • Patent number: 9740942
    Abstract: A moving object location/attitude angle estimation device acquires a fish-eye lens image capturing a surrounding environment of a moving object with a fish-eye lens, and acquires a less distorted pinhole image for a predetermined region of the fish-eye lens image. Then, a bend degree of a driving road in a travelling direction of the moving object is detected. When the detected bend degree is less than a predetermined value, the pinhole image is selected. On the other hand, when the bend degree is not less than the predetermined value, the fish-eye lens image is selected. Thereafter, a location and an attitude angle of the moving object are estimated by matching edge information of the selected image with a three-dimensional map data.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Ichiro Yamaguchi
  • Patent number: 9742023
    Abstract: A fuel cell contains two or more fluid-supplying internal manifolds and fluid-discharging internal manifolds for each fluid. External manifolds include fluid-supplying external manifolds, which connect to the fluid-supplying internal manifolds, and fluid-discharging external manifolds, which connect to the fluid-discharging internal manifolds, for each fluid. The respective fluid-supplying and fluid-discharging external manifolds are positioned approximately in parallel with each other, extending in the width direction of a cell laminate body.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takuya Hasegawa, Ryuji Fujieda
  • Patent number: 9738288
    Abstract: An acceleration/deceleration erroneous operation determination device improves determination accuracy on whether or not a driver is erroneously performing an accelerator operation instead of a brake operation. A pedal opening degree by a driver and a continuation time for which the pedal opening degree is greater than an opening degree threshold value are detected. When the continuation time exceeds a time threshold value, it is determined that the driver is erroneously performing an accelerator operation instead of a brake operation. A vehicle speed of a vehicle, a rising gradient of a road surface, and an accelerator operation time operated by the driver are detected. The opening degree threshold value is made variable in accordance with the vehicle speed, the rising gradient, and the operation time. The time threshold value is made variable in accordance with the vehicle speed, the rising gradient, and the operation time.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takuya Inoue, Takeshi Sugano, Toshimichi Gokan
  • Patent number: 9742043
    Abstract: A battery pack temperature control structure is provided for an electric vehicle, and basically includes first and second battery modules, a temperature control unit and an air duct. The first and second battery modules are disposed inside a battery pack case. The second battery module has a lower height than the first battery module. The temperature control unit has an air blowing port for blowing a temperature control air to the first and second battery modules. The air duct is connected to the air blowing port of the temperature control unit, and has an air blowout opening arranged to blow out the temperature control air to a front of the first battery module at a location above the top of the second battery module. The air blowout opening-extends in a vehicle width direction and blows out the temperature control air toward the first battery module.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tatsunori Tanigaki, Kentaro Hatta, Norihisa Tsujimura
  • Patent number: 9742025
    Abstract: A battery pack includes a module stack body having a plurality of stacked battery modules; first and second connecting members each provided on the same surface of the module stack body in order to hold the stacked battery modules and extending in the stacking direction of the battery modules; a first reinforcing member fixed to the first and second connecting members at first and second fixed points; and a second reinforcing member fixed to the first and second connecting members at third and fourth fixed points. Orientation of the components along the stacking direction of the battery modules of vectors having respectively the first and third fixed points as a start point and the second and fourth fixed points as an end point are opposed to each other.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kentaro Hatta, Keisuke Satou, Ryuichi Amagai
  • Patent number: 9740943
    Abstract: A three-dimensional object detection device can enhance the accuracy in detecting a three-dimensional object regardless of the brightness in the detection environment. The device has an image capture means that captures an image of a predetermined area and an image conversion means that converts the image through a viewpoint conversion into birds-eye view image. A first three-dimensional object detection means aligns positions of bird's-eye view images at different times obtained by the image conversion means, counts the number of pixels that exhibit a predetermined difference on a differential image of the aligned bird's-eye view images to generate a frequency distribution thereby creating differential waveform information, and detects a three-dimensional object on the basis of the differential waveform information.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yasuhisa Hayakawa, Osamu Fukata
  • Patent number: D795473
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: August 22, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masahide Fujiwara, En Hung Liu