Patents Assigned to YANMAR
-
Publication number: 20240060268Abstract: A construction machine includes an engine, a cooling fan, a hood, a heat exchanger, and a partition plate. The cooling fan is assembled to the engine. The hood includes an exhaust opening. The heat exchanger is arranged between the cooling fan and the exhaust opening. The partition plate forms an air discharge air passage between the heat exchanger and the exhaust opening. The partition plate is inclined upward in a direction from the heat exchanger to the exhaust opening.Type: ApplicationFiled: December 7, 2021Publication date: February 22, 2024Applicant: Yanmar Holdings Co., Ltd.Inventor: Yukihiro TANIGAWA
-
Patent number: 11904777Abstract: A work vehicle includes a vehicle body to which work instrument is connected at a back, and a ROPS frame erected at a back portion of a driver seat area in the vehicle body. The work vehicle further includes a positioning unit configured to detect a position of the vehicle body based on a signal sent from a positioning satellite, and a support unit that is fixed to an upper portion of the ROPS frame and supports the positioning unit from below. The positioning unit has a harness connection portion that is connected to a harness for sending information to outside. The harness connection portion is located at a back portion of the positioning unit. The support unit is located protruding backwardly from the harness connection portion of the positioning unit.Type: GrantFiled: September 6, 2022Date of Patent: February 20, 2024Assignee: YANMAR HOLDINGS CO., LTD.Inventors: Tatsuya Ishino, Yohei Nakagawa
-
Publication number: 20240051405Abstract: An exemplary construction machine comprises a power supply device that is connected to an external power source and outputs first power, a battery provided to be chargeable with the first power, and an electric motor that is driven by the first power and/or second power discharged by the battery. The construction machine further comprises a control device that controls the construction machine in any of a plurality of modes including a drive chargeable mode in which the first power can be used for charging the battery while being used for driving the electric motor, and a charge-only mode in which the first power can be used only for charging the battery. In the case of the drive chargeable mode, the control device sets the upper limit value of the amount of charge of the battery lower than in the case of the charge-only mode.Type: ApplicationFiled: December 9, 2021Publication date: February 15, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Shoto Morishita, Kensuke Kaneda
-
Patent number: 11898479Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.Type: GrantFiled: November 26, 2022Date of Patent: February 13, 2024Assignee: Yanmar Power Technology Co., Ltd.Inventors: Yu Matsui, Naotoshi Furukawa
-
Publication number: 20240043061Abstract: An exemplary work vehicle includes a steering wheel, a steering shaft that supports the steering wheel, a steering motor that enables automatic steering of the steering wheel, and a switching mechanism that switches a power transmission state existing between the steering motor and the steering shaft between a connection state and a shutoff state.Type: ApplicationFiled: August 1, 2023Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Satoshi Hasegawa, Kazuya Akayama
-
Publication number: 20240046716Abstract: A detection process unit detects an error of at least any of a plurality of work vehicles. A report process unit causes, when an error of a work vehicle among the plurality of work vehicles is detected, specific information on the work vehicle to be reported at an operation terminal communicable with each of the plurality of work vehicles.Type: ApplicationFiled: August 3, 2023Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Yasuto NISHII, Masaaki MURAYAMA, Akifumi KURODA, Shinya NISHIBEPPU, Masahito ADACHI
-
Publication number: 20240044105Abstract: An excavation work machine, in the support structure and opening/closing structure of an upper face cover which covers an upper side of a lateral-part engine chamber on the right side of a swing frame, and the support structure and opening/closing structure of a right exterior cover which covers the right side of the lateral-part engine chamber, includes a first frame part that is provided in the front-rear direction of the swing frame, and a second frame part that is provided perpendicular to the first frame part and that is, at a base end thereof, connected to the first frame part and, at another end thereof, connected to the right exterior cover.Type: ApplicationFiled: August 1, 2023Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventor: Takahiro Miki
-
Publication number: 20240045430Abstract: A route setting device is provided with a status confirmation part and a change route setting part. The status confirmation part receives, with respect to a work vehicle that is moving along a preset work route in a field, an instruction by which the work vehicle moves to a stop position not included in the work route, and acquires the position of the work vehicle. The change route setting part creates a change route along which the work vehicle moves to the stop position on the basis of the instruction. The starting point of the change route represents the position of the work vehicle at a time when a waiting time for change equaling or exceeding a delay time set on the basis of the processing time for creating the change route has elapsed after receiving the instruction.Type: ApplicationFiled: December 3, 2021Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Junko KUDO, Takuyac IWASE
-
Publication number: 20240040948Abstract: A setting process unit sets an inter-area route that causes a work vehicle to automatically run on a road that connects a plurality of fields, and sets, as an automatic run permission area that permits the automatic run of the work vehicle, a given range including the plurality of fields and the road which is for entering each of the plurality of fields.Type: ApplicationFiled: August 3, 2023Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Akifumi KURODA, Yasuto NISHII, Masaaki MURAYAMA, Shinya NISHIBEPPU, Masahito ADACHI
-
Publication number: 20240040947Abstract: A combine harvester is a work vehicle that pre-creates a plurality of travel routes parallel to a preset outline of a field and performs autonomous travel based on the travel routes, and includes a control device and a mobile terminal. The control device functions as the autonomous travel controller to control autonomous travel on the basis of the travel route.Type: ApplicationFiled: July 11, 2023Publication date: February 8, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Yasuto Nishii, Masaaki Murayama, Yuji Yamaguchi
-
Publication number: 20240038458Abstract: A switch device for a work vehicle comprises a plurality of switches and light-emitting sections. The plurality of switches are used in the operation of a work vehicle. Each light-emitting section corresponds to at least some switches from among the plurality of switches. Each light-emitting section corresponding to some of the switches is configured to be capable of switching between a lighted state and a non-lighted state.Type: ApplicationFiled: January 24, 2022Publication date: February 1, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Takashi Deguchi, Naoto Kageyama
-
Publication number: 20240032452Abstract: A combine harvester includes a control device configured to function as a travel route creation unit, an automatic drive control unit, a course movement unit, and a course correction unit. The travel route creation unit creates, in a yet-to-be-reaped area of a field, a travel route that includes parallel first and second straight-line courses. The automatic drive control unit performs control on automatic driving and automatic reaping based on the travel route. While automatic reaping travel is conducted on the first straight-line course, the course movement unit modifies the travel route by moving the first straight-line course in a direction intersecting with the traveling direction. When movement of the first straight-line course results in movement of the first straight-line course in one direction, the course correction unit corrects a portion of the second straight-line course toward the same one direction.Type: ApplicationFiled: October 27, 2021Publication date: February 1, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Hidetaka SUZUKI, Yuji YAMAGUCHI, Yasuto NISHII
-
Publication number: 20240035258Abstract: A display device includes a display unit; a control unit; an alarm sound output unit; and a reception unit. When the display unit displays a second screen, the control unit assigns, to the reception unit, a function of receiving an output stop instruction that indicates an instruction to stop the output of an alarm sound, and a function of receiving a second instruction that indicates an instruction to transition to a first screen. When the reception unit receives the output stop instruction, the control unit stops the output of the alarm sound. When the reception unit receives the second instruction after having received the output stop instruction, the control unit causes the display unit to display the first screen and causes the alarm sound output unit to output the alarm sound.Type: ApplicationFiled: August 11, 2021Publication date: February 1, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Kazuki TAMURA, Shogo SUZUKI, Daisuke KAWAGUCHI
-
Patent number: 11884305Abstract: The present invention makes it possible to avoid the risk of a brake operation system for emergency stopping not operating normally during autonomous travel of a work vehicle. A work vehicle is provided with: a foot brake for braking left and right rear wheels; an autonomous travel unit that enables autonomous travel of the vehicle; and an electric actuator for switching the foot brake between a braking state and a release state. The autonomous travel unit comprises a control unit for controlling the operation of the electric actuator.Type: GrantFiled: April 11, 2019Date of Patent: January 30, 2024Assignee: Yanmar Power Technology Co., Ltd.Inventor: Kenta Ikenori
-
Publication number: 20240023473Abstract: An acquisition processing part acquires detection information from a first obstacle sensor which detects an obstacle in a first detection area, and a second obstacle sensor which detects an obstacle in a second detection area. When an obstacle is detected in the first detection area, a traveling processing part executes travel restriction of a work vehicle. When the obstacle enters a non-detection area from the first detection area in a state in which the work vehicle is under the travel restriction, a determination processing part determines whether or not the obstacle further enters the second detection area from the non-detection area. When it is determined that the obstacle enters the second detection area from the non-detection area, the traveling processing part continues the travel restriction of the work vehicle.Type: ApplicationFiled: November 29, 2021Publication date: January 25, 2024Applicant: Yanmar Holdings Co., Ltd.Inventor: Takuya IWASE
-
Publication number: 20240026642Abstract: This construction machine includes a blade and a manipulating lever. The blade is provided to a machine body. The blade is configured such that a plurality of operations are possible. The manipulating lever manipulates the blade. The manipulating lever is configured so as to be able to control each of the plurality of operations by a different manipulation. The manipulating lever is preferably configured so as to be able to manipulate each of the plurality of operations in the same direction.Type: ApplicationFiled: December 17, 2021Publication date: January 25, 2024Applicant: Yanmar Holdings Co., Ltd.Inventor: Kiyoshi Yonekura
-
Publication number: 20240028037Abstract: An autonomous travel system causes a work vehicle to autonomously travel along an inter-field route preset for a road connecting a field and a field. A travel processor causes the work vehicle to be stopped at a route start position of the inter-field route and to resume autonomous travel when a user is within a predetermined distance from the work vehicle in the field corresponding to the stop position of the work vehicle. An announcement process unit causes the work vehicle to announce travel information about travel on the inter-field route in the field.Type: ApplicationFiled: July 18, 2023Publication date: January 25, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Yasuto NISHII, Masaaki Murayama, Akifumi Kuroda, Shinya Nishibeppu, Masahito Adachi
-
Publication number: 20240023472Abstract: A work vehicle includes a car body, a traveling portion, working portions, operation display portions, and control portions. The car body can travel in a work field. The traveling portion makes the car body travel. The working portions conduct work on a target in the work field. The operation display portions output an operation signal. The control portions control the working portions and the traveling portion based on the operation signal. The control portions control the operation display portions so that the operation display portions display a travel control image and a work control image simultaneously with each other or at different timings from each other. The travel control image includes an image for operating the traveling portion. The work control image includes an image for operating the working portions.Type: ApplicationFiled: July 11, 2023Publication date: January 25, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Harumasa Kitaoka, Yuichi Shimpuku, Eiji Arita
-
Publication number: 20240026650Abstract: A display control device for construction machinery causes a first display portion to display a meter indicating a state quantity of the construction machinery and causes a second display portion located below the first display portion to display a rotation speed of the motor of the construction machinery, an operating time of the construction machinery, and current operation pattern information of the construction machinery.Type: ApplicationFiled: June 15, 2023Publication date: January 25, 2024Applicant: Yanmar Holdings Co., Ltd.Inventor: Masaaki Torada
-
Publication number: 20240016074Abstract: A combine (work vehicle) is provided with: a positioning unit that obtains a measurement point indicating a position of a vehicle body; an initial external shape generating unit that generates an initial external shape of an agricultural field on the basis of a travel trajectory of the vehicle body constituted of a plurality of measurement points obtained when the vehicle body was manually driven along an external edge of the agricultural field; and an obstacle identification unit that identifies an obstacle for travel on the basis of the travel trajectory and generates an obstacle area including the identified obstacle.Type: ApplicationFiled: October 27, 2021Publication date: January 18, 2024Applicant: Yanmar Holdings Co., Ltd.Inventors: Yasuto NISHII, Yuji YAMAGUCHI, Hidetaka SUZUKI, Masaaki MURAYAMA