Patents Assigned to Yamaha Hatsudoki Kabushiki Kaisha
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Publication number: 20220418175Abstract: A shaft drive device includes a plurality of shafts each retained in a raisable and lowerable manner; a return spring for urging each of the shafts upward; an actuating member contactable with a pressed part of any one of the shafts for raising and lowering a selected shaft; and a raising and lowering mechanism which changes a posture of the actuating member between a first posture of coming into contact with the pressed part of the shaft and pressing the pressed part to lower the shaft against an urging force of the return spring and a second posture of releasing the pressing. The pressed part of the shaft is made of ferromagnet, and the actuating member is given a magnetic force.Type: ApplicationFiled: February 26, 2020Publication date: December 29, 2022Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Kazuhiro TERADA
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Patent number: 11536184Abstract: A catalyst deterioration determining device for use in a straddled vehicle having an engine, a transmission that transmits motive power of an engine, and a catalyst that cleans an exhaust gas from the engine. The catalyst deterioration determining device includes a running state acquirer that acquires a plurality of running states, a state determiner that stores a plurality of allowable conditions, each of which is a condition for determining work in regard to a degradation state of the catalyst to be executed and is based on a relationship among a plurality of gear ratios of the transmission, an intake state of the engine and a rotation speed of the engine, and determines whether the plurality of running states acquired by the running state acquirer satisfy the plurality of allowable conditions, and a determination executor that executes the determining work based on a result of the determination by the state determiner.Type: GrantFiled: February 1, 2022Date of Patent: December 27, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Yuta Shimizu, Ryo Tomii, Tatsuya Aoyama
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Patent number: 11536215Abstract: A straddled vehicle engine unit including an internal combustion engine and a misfire detection device. The internal combustion engine has a crankshaft, and a crank angle signal output unit that periodically outputs a crank angle signal in accordance with rotation of the crankshaft. The internal combustion engine is configured to repeat at least two kinds of strokes on a cycle of every 720-degree rotation of the crankshaft. The misfire detection device includes a crankshaft rotation speed fluctuation physical quantity acquisition unit configured to acquire a physical quantity related to an amount of fluctuation in a rotation speed of the crankshaft in one kind of stroke, out of the at least two kinds of strokes, based on the crank angle signal from the crank angle signal output unit, and a misfire determination unit configured to perform a misfire determination in response to each acquisition of the crankshaft rotation speed fluctuation physical quantity.Type: GrantFiled: September 13, 2021Date of Patent: December 27, 2022Assignees: YAMAHA HATSUDOKI KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Minoru Hotta, Yoshihiko Nonogaki, Kazuteru Iwamoto, Hisatoshi Kinoshita, Nobuyuki Kawashima
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Patent number: 11536185Abstract: A catalyst degradation determining device for a straddled vehicle that includes an engine, a catalyst for cleaning an exhaust gas from the engine, and a throttle valve that is controllable by cruise control of the straddled vehicle to keep a traveling speed of the straddled vehicle constant. The catalyst degradation determining device includes a determiner that determines whether the cruise control is being executed, and an execution controller. The execution controller is configured to determine a degradation state of the catalyst while controlling an air-fuel mixture supplied through the throttle valve to the engine, in a case where the determiner determines that the cruise control is not being executed, and at least one running state of the straddled vehicle satisfies at least one predetermined allowable condition, and not to determine the degradation state of the catalyst in a case where the determiner determines that the cruise control is being executed.Type: GrantFiled: February 1, 2022Date of Patent: December 27, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Yuta Shimizu, Ryo Tomii, Tatsuya Aoyama
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Patent number: 11536188Abstract: A marine cooling system performs a temperature adjustment of an object to be cooled such as an internal combustion engine of a marine vessel. The marine cooling system includes a water supply flow passage to supply cooling water to the object, a water drain flow passage to drain the cooling water from the object to reduce an amount of the cooling water that contacts the object, and a flow passage controller to shut off the water to the drain flow passage.Type: GrantFiled: January 13, 2022Date of Patent: December 27, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Chiharu Masuda, Norimitsu Nakatsugawa
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Patent number: 11530676Abstract: A power supply system for a watercraft includes a first battery, a second battery, and a battery management device. The battery management device connects the first battery to a first engine to supply an electric power from the first battery to start the first engine. The battery management device connects the second battery to a second engine and a third engine to supply an electric power from the second battery to start the second engine and the third engine.Type: GrantFiled: January 5, 2022Date of Patent: December 20, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Masaaki Mashimo
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Patent number: 11525995Abstract: An imaging system includes an imaging device configured to image an imaging subject on an imaging optical axis, and a calculation unit configured to acquire data relating to a position and/or a size of the imaging subject based on image information acquired by the imaging device through the imaging. The calculation unit acquires change information relating to condition change in the imaging and/or change in the imaging subject on the image. The change is caused by interposition of a light transmitting member when the light transmitting member is interposed on the imaging optical axis during the imaging, and the calculation unit corrects the data based on the change information.Type: GrantFiled: February 2, 2018Date of Patent: December 13, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Takahiko Kumagai, Yohei Izume
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Publication number: 20220388152Abstract: A vertical articulated robot includes a plurality of joint axis portions configured to rotationally drive a plurality of arms. The plurality of joint axis portions include a narrow joint axis portion. In the narrow joint axis portion, at least one of at least a portion of a brake or an oil seal is arranged inside a recess.Type: ApplicationFiled: September 25, 2019Publication date: December 8, 2022Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Toshifumi MANOME
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Patent number: 11518483Abstract: A trim tab for a ship comprises a first portion and a second portion. The first portion is swingably mounted to a rear portion of a ship body. The second portion extends from the first portion and curves in a swing direction away from the ship body.Type: GrantFiled: April 8, 2020Date of Patent: December 6, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Hiroshi Inoue
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Patent number: 11518304Abstract: An indicator data output device, including a storage unit storing vehicle identification data and indicator data, an output unit outputting the stored indicator data, a vehicle usage amount data-obtaining unit obtaining the vehicle identification data and vehicle usage amount data, and an indicator data-updating unit obtaining the vehicle usage amount data and indicator differential data corresponding to an amount of increase in the indicator data calculated based on the vehicle usage amount data, and updating the stored indicator data. The vehicle usage amount data includes at least one of first and second indicators that increase as the vehicle is used. The second indicator indicates a number of times of a third indicator satisfying a predetermined condition, and is dimensionless with respect to all of a plurality of vehicle status dimensions. Each of the first and third indicators is a dimensional quantity with respect to at least one of the plurality of vehicle status dimensions.Type: GrantFiled: February 25, 2021Date of Patent: December 6, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Nobuyasu Arimune
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Patent number: 11511833Abstract: A posture control system for a hull includes a movable posture control plate. An outboard motor is attached to the hull and is movable with respect to the hull. A controller is configured or programmed to control movement of the posture control plate and movement of the outboard motor so as to control the posture of the hull.Type: GrantFiled: February 4, 2021Date of Patent: November 29, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Hiroshi Inoue, Jun Nakatani, Satoru Hamada
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Patent number: 11516952Abstract: A tape erroneous mounting detection system includes sensors provided to the plurality of tape feeders, a reader configured to read identification information from a recording part which is provided to a reel, and a memory part configured to store part verification information. The tape erroneous mounting detection system also includes a part verification part configured to determine whether or not the tape is mounted on the tape feeder at the set position, and to perform verification updating processing, and a tape erroneous mounting detection part configured to perform erroneous mounting detection processing where the tape erroneous mounting detection part identifies the tape feeder on which the tape is mounted based on the tape presence or absence information and the output from the sensor, and the tape erroneous mounting detection part detects that the tape mounted on the tape feeder is erroneously mounted.Type: GrantFiled: November 9, 2016Date of Patent: November 29, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Yoichi Matsushita
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Patent number: 11512657Abstract: A controller performs hydrolock prevention control when an engine is started. The controller determines whether a crankshaft rotates a predetermined number of times upon starting the engine without ignition of the engine. The controller performs the ignition of the engine after the crankshaft rotates a predetermined number of times.Type: GrantFiled: July 31, 2019Date of Patent: November 29, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Hiroshi Inoue
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Patent number: 11511959Abstract: A tape ejection guide structure (8) is a structure which guides ejection of a component storing tape (100) ejected from a tape ejection port (23) of a component supply unit (1A), and includes a guide body (81), and a pair of restraining portions (83). The guide body (81) guides an upper surface portion (100A) of the component storing tape (100) which is ejected from the tape ejection port (23) in a tape ejection direction (H2). A pair of restraining portions (83) is connected to both end portions of the guide body (81) in a tape width direction (H3) respectively, and restrains the displacement in the tape width direction (H3) of the component storing tape (100) which is ejected in a state where the upper surface (100A) is guided by the guide body (81).Type: GrantFiled: April 10, 2017Date of Patent: November 29, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Kazuyoshi Oyama, Tsutomu Yanagida, Ryouta Masuda
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Patent number: 11510350Abstract: The unloading operation of winding the carrier tape on the component supply reel by driving the component supply reel to extract the component supply reel from the tape feeder is performed. That is, the carrier tape removed from the tape feeder is wound on the component supply reel. Thus, it is possible to suppress the interference of the preceding tape removed from the tape feeder with the succeeding tape.Type: GrantFiled: December 6, 2017Date of Patent: November 22, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Yuzuru Taniguchi
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Patent number: 11505300Abstract: A controller generates a first forward thrust with a first propulsion device and generates a first backward thrust with a second propulsion device with a same number as the first propulsion device in case that the backward thrust is less than a predetermined threshold. The controller generates a second forward thrust larger than the first forward thrust with the first propulsion device and generates a second backward thrust with each of the second propulsion devices greater than the first propulsion device in case that the backward thrust is greater than or equal to the predetermined threshold.Type: GrantFiled: March 24, 2020Date of Patent: November 22, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Kohei Yamaguchi, Yoshikazu Nakayasu
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Patent number: 11498647Abstract: A control system for a marine vessel that includes a drive source and an operator that receives an operation is able to switch a control mode of the drive source without providing an additional operator. An operation received by the operator when the drive source is resting is disabled, and a function of switching a control mode of the drive source is assigned to the operation of the operator that is received when the drive source is resting.Type: GrantFiled: February 26, 2021Date of Patent: November 15, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Ryutaro Iwaki, Shigeyuki Ozawa
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Publication number: 20220361386Abstract: In a component adsorption nozzle, the nozzle can be attached to both of the in-line shaft and the rotary shaft by utilizing the outside (outer wall) of the nozzle body for attaching to the in-line shaft and utilizing the inside (inner wall) of the nozzle body for attaching to the rotary shaft. Therefore, for a user who owns each of the in-line type and rotary type component mounters, it is not necessary to prepare a nozzle dedicated to each type component mounter and it is possible to reduce the burden required for preparing the nozzle.Type: ApplicationFiled: September 25, 2019Publication date: November 10, 2022Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Kenji TSURI
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Patent number: 11492111Abstract: A replenishment planning device calculates a first route replenishment point on a travel route at which replenishment of a chemical becomes necessary, a second route replenishment point on the travel route which is closer to a replenishment area than the first route replenishment point is, and first and second times necessary for an unmanned helicopter to travel from a travel start point, via the first and the second route replenishment points, to a replenishment area to have the chemical replenished, and to move back to the travel route. Thereafter, a process takes the first and the second route replenishment points as next travel start points, and calculates, for each, next first and second route replenishment points, and first and second times, and is repeated for each replenishment plan pattern until the first route replenishment point reaches a travel end point, such that position information and time information for each replenishment plan pattern are generated.Type: GrantFiled: April 27, 2018Date of Patent: November 8, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Hajime Adachi
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Patent number: 11491862Abstract: A vehicle includes first and second seats supported by a frame, a cargo bed located more rearward than first and second seating portions of the first and the second seats, and a radiator located more rearward than the first and second seating portions and lower than a lower surface of the cargo bed. The radiator is located farther outward, in a width direction of the vehicle, than an engine that is located more rearward than a front end of the first and the second seats and at or substantially at a center of the vehicle in the vehicle width direction. The radiator includes an outer surface facing rearward and outward of the vehicle. A rotating fan to introduce air from outside the vehicle to inside the vehicle via the outer surface of the radiator is located on either one of an outer surface side and an inner surface side of the radiator.Type: GrantFiled: July 6, 2021Date of Patent: November 8, 2022Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventor: Ryoji Nishiwaki