Patents by Inventor Isao Shokaku
Isao Shokaku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250010726Abstract: A control device comprising a first control unit that performs drive control of an electric motor on the basis of first electric power, and a second control unit that performs predetermined drive control on the basis of second electric power smaller than the first electric power, wherein the first control unit performs the drive control of the electric motor by receiving the first electric power and the second electric power, and in a case of receiving an induced voltage of the electric motor while the first electric power and the second electric power are not received, performs protection processing for protecting a target from the induced voltage on the basis of the induced voltage.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Inventors: Isao SHOKAKU, Yuta KANBE, Tsukasa KIMURA, Masahiro MORI
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Patent number: 11358587Abstract: An engine control device for a saddle riding vehicle includes a mechanical centrifugal clutch for connecting and disconnecting driving force from an engine to a driving wheel, a throttle operator to adjust output power of the engine, a motor to rotate a crankshaft of the engine, and a control unit to control the motor and a fuel injection system. The control unit executes injection stopping control for stopping fuel injection during deceleration of the vehicle and executes, when an opening operation of the throttle operator is performed after an engine speed becomes equal to or lower than a centrifugal clutch disconnection speed at which the centrifugal clutch is disconnected, acceleration assist control for rotating the crankshaft with the motor.Type: GrantFiled: March 16, 2018Date of Patent: June 14, 2022Assignee: Honda Motor Co., Ltd.Inventor: Isao Shokaku
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Patent number: 11299138Abstract: A control device for a hybrid vehicle, wherein when starting an engine using a first battery, if the residual capacity of the first battery is not enough to start the engine because of the reduced-voltage of the first battery, the engine is started by driving an ACG starter supplied with electricity from a second battery having a voltage rated value different from that of the first battery.Type: GrantFiled: March 3, 2017Date of Patent: April 12, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Isao Shokaku, Ryuichi Takao, Kanichiro Ogiya, Yoshiaki Nedachi
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Patent number: 11052748Abstract: A controlling apparatus 1 according to an embodiment is a controlling apparatus of a hybrid vehicle 30 including a motor generator 3 that is mechanically connected to an internal combustion engine 2 and that can generate power in response to rotation of the internal combustion engine 2 and provide torque to the internal combustion engine 2, the controlling apparatus 1 including a rotation information acquiring unit 11 that acquires rotation information of the motor generator 3 with a higher resolution than rotation information of the internal combustion engine 2 and an assist determining unit 12 that makes a determination regarding the start assist by the motor generator 3 based on the rotation information of the motor generator 3.Type: GrantFiled: September 9, 2016Date of Patent: July 6, 2021Assignees: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD., HONDA MOTOR CO., LTD.Inventors: Takayuki Meguro, Mitsuhiro Kimura, Ryuichi Takao, Isao Shokaku
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Patent number: 11008992Abstract: An engine start control device that is capable of winding back a crankshaft more quickly at the time of an idling stop includes a swingback controller for performing a swingback control process for reversing a crankshaft when an engine is started by operating a starter switch, a windback reverse controller for performing a windback control process for reversing the crankshaft immediately after the engine is stopped by the idling stop control process, and a motor brake controller for performing a motor brake control process for braking the crankshaft reversed by the windback control process by rotating the crankshaft in the normal direction after the windback control process performed by the windback reverse controller. The value of a motor current supplied at the time the crankshaft is reversed by the windback reverse controller is set as a value equal to or larger than the value of a motor current supplied at the time the crankshaft is reversed by the swingback controller.Type: GrantFiled: March 16, 2018Date of Patent: May 18, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Ryohei Konno, Isao Shokaku, Ryuichi Takao, Ayumu Nishimiya
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Patent number: 10906523Abstract: A controlling apparatus 1 according to an embodiment is a controlling apparatus of a hybrid vehicle 30 including a motor generator 3 that is mechanically connected to an internal combustion engine 2 and that can generate power in response to rotation of the internal combustion engine 2 and provide torque to the internal combustion engine 2, the controlling apparatus 1 including a rotation information acquiring unit 11 that acquires rotation information of the motor generator 3 with a higher resolution than rotation information of the internal combustion engine 2 and a power generation determining unit 12 that makes a determination regarding the power generation by the motor generator 3 based on the rotation information of the motor generator 3.Type: GrantFiled: September 9, 2016Date of Patent: February 2, 2021Assignees: Shindengen Electric Manufacturing Co., Ltd., Honda Motor Co., Ltd.Inventors: Takayuki Meguro, Mitsuhiro Kimura, Ryuichi Takao, Isao Shokaku
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Publication number: 20200298820Abstract: A control device for a hybrid vehicle, wherein when starting an engine using a first battery, if the residual capacity of the first battery is not enough to start the engine because of the reduced-voltage of the first battery, the engine is started by driving an ACG starter supplied with electricity from a second battery having a voltage rated value different from that of the first battery.Type: ApplicationFiled: March 3, 2017Publication date: September 24, 2020Inventors: Isao Shokaku, Ryuichi Takao, Kanichiro Ogiya, Yoshiaki Nedachi
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Publication number: 20200180593Abstract: A controlling apparatus 1 according to an embodiment is a controlling apparatus of a hybrid vehicle 30 including a motor generator 3 that is mechanically connected to an internal combustion engine 2 and that can generate power in response to rotation of the internal combustion engine 2 and provide torque to the internal combustion engine 2, the controlling apparatus 1 including a rotation information acquiring unit 11 that acquires rotation information of the motor generator 3 with a higher resolution than rotation information of the internal combustion engine 2 and a power generation determining unit 12 that makes a determination regarding the power generation by the motor generator 3 based on the rotation information of the motor generator 3.Type: ApplicationFiled: September 9, 2016Publication date: June 11, 2020Inventors: Takayuki MEGURO, Mitsuhiro KIMURA, Ryuichi TAKAO, Isao SHOKAKU
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Publication number: 20200047744Abstract: An engine control device for a saddle riding vehicle includes a mechanical centrifugal clutch for connecting and disconnecting driving force from an engine to a driving wheel, a throttle operator to adjust output power of the engine, a motor to rotate a crankshaft of the engine, and a control unit to control the motor and a fuel injection system. The control unit executes injection stopping control for stopping fuel injection during deceleration of the vehicle and executes, when an opening operation of the throttle operator is performed after an engine speed becomes equal to or lower than a centrifugal clutch disconnection speed at which the centrifugal clutch is disconnected, acceleration assist control for rotating the crankshaft with the motor.Type: ApplicationFiled: March 16, 2018Publication date: February 13, 2020Inventor: Isao SHOKAKU
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Publication number: 20200018279Abstract: An engine start control device that is capable of winding back a crankshaft more quickly at the time of an idling stop includes a swingback controller for performing a swingback control process for reversing a crankshaft when an engine is started by operating a starter switch, a windback reverse controller for performing a windback control process for reversing the crankshaft immediately after the engine is stopped by the idling stop control process, and a motor brake controller for performing a motor brake control process for braking the crankshaft reversed by the windback control process by rotating the crankshaft in the normal direction after the windback control process performed by the windback reverse controller. The value of a motor current supplied at the time the crankshaft is reversed by the windback reverse controller is set as a value equal to or larger than the value of a motor current supplied at the time the crankshaft is reversed by the swingback controller.Type: ApplicationFiled: March 16, 2018Publication date: January 16, 2020Applicant: HONDA MOTOR CO., LTD.Inventors: Ryohei KONNO, Isao SHOKAKU, Ryuichi TAKAO, Ayumu NISHIMIYA
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Publication number: 20190135102Abstract: A controlling apparatus 1 according to an embodiment is a controlling apparatus of a hybrid vehicle 30 including a motor generator 3 that is mechanically connected to an internal combustion engine 2 and that can generate power in response to rotation of the internal combustion engine 2 and provide torque to the internal combustion engine 2, the controlling apparatus 1 including a rotation information acquiring unit 11 that acquires rotation information of the motor generator 3 with a higher resolution than rotation information of the internal combustion engine 2 and an assist determining unit 12 that makes a determination regarding the start assist by the motor generator 3 based on the rotation information of the motor generator 3.Type: ApplicationFiled: September 9, 2016Publication date: May 9, 2019Inventors: Takayuki MEGURO, Mitsuhiro KIMURA, Ryuichi TAKAO, Isao SHOKAKU
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Patent number: 9752862Abstract: An accelerator opening degree detection device is equipped with: a rotor that is attached to the shaft of a handlebar and rotates in conjunction with the operation of an accelerator grip; magnets attached to the rotor; magnetic sensors that detect the magnetic force of the magnets; a case that houses the rotor and the magnetic sensors, and is attached to the handlebar; and a sensor holder to which the magnetic sensors are attached, and which is housed in the case on the opposite side of the rotor with respect to the accelerator grip. The sensor holder has an inner diameter protruding part that protrudes at a location opposing the magnets, this location being on the inside of the rotor in the circumferential direction, and the magnet sensors are arranged on the inner diameter protruding part.Type: GrantFiled: June 30, 2011Date of Patent: September 5, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Yoshihiro Nomura, Yuichi Kawasaki, Isao Shokaku, Nobuo Shigemizu, Masaru Nakayama
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Patent number: 9373828Abstract: A power supply device structure wherein connection terminals of a battery case are held in a floating state inside the battery case, without using screws or soldering. A battery pack for mounted to and detached from a vehicle includes the battery case for accommodating battery cells for supplying electric power to an electric motor. Battery case side terminals are accommodated in an insulator block. A plurality of ribs, project from a wall part of the battery case and are disposed along an outer surface of the insulator block. The insulator block is provided at its outer circumference with two flanges and an intermediate part located therebetween. The outer circumferential surface of the intermediate part is loosely fitted in an opening of the battery case, with a gap therebetween.Type: GrantFiled: February 5, 2013Date of Patent: June 21, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Masaru Nakayama, Isao Shokaku
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Patent number: 9248792Abstract: A battery pack locked to a vehicle body for mounting to and detaching from the vehicle body. A battery case is provided with an extension part extending to above a battery cell accommodating part. The extension part includes a handle including a grip part having an orientation set so as to extend in the vehicle longitudinal direction when the battery case is mounted on the vehicle. The handle is provided on the battery case in the state of being deviated toward either of vehicle-width-directionally left and right sides. A lock device attached to a main frame of the electric vehicle is provided with a lock pin that is advanced and retracted. The extension part on the battery case side is provided with an engagement hole for accepting the lock pin, the engagement hole being formed in either of side surface portions in the longitudinal direction of the electric vehicle.Type: GrantFiled: December 19, 2012Date of Patent: February 2, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Masaru Nakayama, Isao Shokaku
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Patent number: 9136514Abstract: A battery pack includes a battery case for accommodating battery cells for mounting to and detaching from an electric vehicle. Male-side terminals are accommodated in a terminal base provided on the vehicle body side with battery side terminals being provided that are connected to the male-side terminals from above. An upper surface of the terminal base is formed with vehicle body side engagement parts with battery case side engagement parts being provided that are engaged with the vehicle body side engagement parts from above. The vehicle body side engagement parts are disposed at positions deviated to one side from the vehicle-width-directional center. The battery case side engagement parts are disposed at positions deviated to vehicle-width-directionally one side of the battery case, and are formed at vehicle-longitudinal-directionally both end portions of the battery case, in order that the battery case side engagement parts can fit the vehicle body side engagement parts.Type: GrantFiled: February 7, 2013Date of Patent: September 15, 2015Assignee: Honda Motor Co., Ltd.Inventors: Shinji Kawatani, Masaru Nakayama, Isao Shokaku
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Patent number: 9093701Abstract: A terminal base of a power supply device for electric vehicle wherein electrical connection terminals on the vehicle body side can be easily connected to electrical connection terminals on the battery pack side. A base is provided with an opening for accepting an insulator board on which male-side terminals are held. The opening is provided with first lower and upper guides and with second lower and upper guides. A first edge of the insulator board is clamped by the first lower and upper guides from the lower and upper sides. A second edge opposed to the first edge of the insulator board is clamped by the second lower and upper guides from the lower and upper sides. In this manner, the insulator board is supported in a floating state. The tip of each of the male-side terminals is beveled for mating with the female-side terminals during connection.Type: GrantFiled: February 8, 2013Date of Patent: July 28, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Masaru Nakayama, Isao Shokaku
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Patent number: 8970061Abstract: In an electric vehicle in which a high voltage battery supplying electric power to an electric motor generating power to drive a drive wheel and a low voltage battery supplying electric power to an accessory are mounted in a vehicle body, a breaker (62) is provided in a circuit (74) of a high power system linked to the high voltage battery (36); manual connection-disconnection means (71) for allowing switching between connection and disconnection of a circuit (75) of a low power system linked to the low voltage battery (40) to be performed by a manual operation is provided in the circuit (75) of the low power system; a relay switch (63, 64) which is capable of performing switching between connection and disconnection of the circuit (74) of the high power system by being supplied with electric power from the circuit (75) of the low power system, and which interrupts the circuit (74) of the high power system when the circuit (75) of the low power system is interrupted is provided on the circuit (74) of the highType: GrantFiled: September 7, 2010Date of Patent: March 3, 2015Assignee: Honda Motor Co., Ltd.Inventors: Hideaki Nakagawa, Isao Shokaku, Kenji Tamaki
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Patent number: 8855843Abstract: A socket receives charging voltage and auxiliary voltage of the main battery from an external power supply. A charging line Lch connects the charging voltage to the main battery. Auxiliary power supply lines connect the auxiliary voltage to a vehicle drive control unit. A main switch is provided on a constant line for inputting the output of an electric power converting unit to the vehicle drive control unit. The vehicle drive control unit includes an electric power converting unit starting unit started when the auxiliary voltage is applied to output a starting signal of the electric power converting unit, and means for maintaining the starting signal to charge the sub-battery with the electric power from the electric power converting unit when the voltage applied from the electric power converting unit through the main switch to the vehicle drive control unit is a predetermined value.Type: GrantFiled: May 17, 2011Date of Patent: October 7, 2014Assignee: Honda Motor Co., Ltd.Inventors: Yuichi Kawasaki, Isao Shokaku
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Publication number: 20140103916Abstract: An accelerator opening degree detection device is equipped with: a rotor that is attached to the shaft of a handlebar and rotates in conjunction with the operation of an accelerator grip; magnets attached to the rotor; magnetic sensors that detect the magnetic force of the magnets; a case that houses the rotor and the magnetic sensors, and is attached to the handlebar; and a sensor holder to which the magnetic sensors are attached, and which is housed in the case on the opposite side of the rotor with respect to the accelerator grip. The sensor holder has an inner diameter protruding part that protrudes at a location opposing the magnets, this location being on the inside of the rotor in the circumferential direction, and the magnet sensors are arranged on the inner diameter protruding part.Type: ApplicationFiled: June 30, 2011Publication date: April 17, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Yoshihiro Nomura, Yuichi Kawasaki, Isao Shokaku, Nobuo Shigemizu, Masaru Nakayama
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Publication number: 20120169143Abstract: In an electric vehicle in which a high voltage battery supplying electric power to an electric motor generating power to drive a drive wheel and a low voltage battery supplying electric power to an accessory are mounted in a vehicle body, a breaker (62) is provided in a circuit (74) of a high power system linked to the high voltage battery (36); manual connection-disconnection means (71) for allowing switching between connection and disconnection of a circuit (75) of a low power system linked to the low voltage battery (40) to be performed by a manual operation is provided in the circuit (75) of the low power system; a relay switch (63, 64) which is capable of performing switching between connection and disconnection of the circuit (74) of the high power system by being supplied with electric power from the circuit (75) of the low power system, and which interrupts the circuit (74) of the high power system when the circuit (75) of the low power system is interrupted is provided on the circuit (74) of the highType: ApplicationFiled: September 7, 2010Publication date: July 5, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Hideaki Nakagawa, Isao Shokaku, Kenji Tamaki