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11. 发明授权

US11032967B2 Autonomous or remote-controlled vehicle platform for planting 有权
公开(公告)号：US11032967B2
公开(公告)日：2021-06-15
申请号：US16704841
申请日：2019-12-05
申请人： Deere & Company
发明人： Richard J. Connell , Michael M. Miller , Austin N. Thompson , Brandon M. McDonald , Shayne C. Rich
IPC分类号： A01C7/20 , B62D55/084 , B62D55/30 , B62D55/12 , B62D11/00 , B62D11/20 , A01B63/00 , B62D55/065 , A01C21/00 , B62D55/10 , B62D55/112 , A01C15/00 , G05D1/00 , A01B69/04 , A01C7/10 , A01C5/06 , A01B51/02
摘要： In one embodiment, a vehicle platform comprises a central body that can support one or more implement configurations, such as sprayer booms, or planting row units. A plurality of adjustable legs extends downward from the central body. Each adjustable leg has a corresponding leg actuator to adjust a respective vertical height of each adjustable leg. Each adjustable leg supports the central body. Planting row units are supported by or suspended from the central body.

12. 发明授权

US11001299B1 Vehicle having electric drive and operator platform 有权
公开(公告)号：US11001299B1
公开(公告)日：2021-05-11
申请号：US16806289
申请日：2020-03-02
申请人： Hydro-Gear Limited Partnership
发明人： Brian D. Laymon , K. Mike McCoy
IPC分类号： B62D11/04 , A01D34/64 , B60K6/40 , B60K6/46 , B60K17/12 , A01D69/02 , B62D11/00 , B60L50/10 , B62D49/06 , A01D101/00
摘要： A zero turn vehicle is disclosed, having an operator platform located adjacent to the rear of the frame. An upright riser is disposed on the frame. The vehicle uses first and second electric drive transmissions to drive the output wheels. An electrical bus or controllers may be mounted on a panel of the upright riser to assist in providing a compact design. A pair of drive levers is mounted on the upright riser for controlling the output of the vehicle.

13. 发明授权

US10933911B2 Electric work vehicle 有权
公开(公告)号：US10933911B2
公开(公告)日：2021-03-02
申请号：US16004870
申请日：2018-06-11
申请人： Kubota Corporation
发明人： Yasuhiro Manji , Hirokazu Ito
IPC分类号： B62D6/10 , B62D5/04 , B62D7/00 , B60K7/00 , B62D11/04 , B62D11/00
摘要： An electric work vehicle of the present invention includes a left drive wheel and a right drive wheel that are supported to a vehicle body, a left motor that drives the left drive wheel and a right motor that drives the right drive wheel, a traveling motor control unit that controls the left motor and the right motor independently based on steering signals from a steering unit, and a turn response enhancement unit. The turn response enhancement unit gives, to the traveling motor control unit, additional control amounts for the left motor and the right motor so as to improve turning response during turning of the vehicle body.

14. 发明授权

US10850723B2 Self-propelled vehicles having a steering position sensor 有权
公开(公告)号：US10850723B2
公开(公告)日：2020-12-01
申请号：US16056712
申请日：2018-08-07
申请人： Vermeer Manufacturing Company
发明人： Nathan D. Dockter , Kent M. Recker , Kent L. Thompson , Curt T. Graham
IPC分类号： B60W10/20 , A01B69/04 , B60K7/00 , B60W10/08 , B62D11/04 , B62D15/02 , B62D5/10 , B62D7/20 , B62D11/00 , B62D11/24 , B62D9/00 , G05D1/02 , B62D5/06 , B62D5/22
摘要： Self-propelled vehicles that include swiveling caster wheels and independent drive wheels are disclosed. The self-propelled vehicles are selectively steered in a caster wheel steering mode or a drive wheel steering mode. The vehicle includes a steering position sensor to measure the position of the steering system. A control unit varies the rotational speed of first and second drive wheels based at least in part of the signal from the steering position sensor.

15. 发明授权

US10800410B2 Driving support device 有权
公开(公告)号：US10800410B2
公开(公告)日：2020-10-13
申请号：US16140051
申请日：2018-09-24
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Tsuyoshi Shimizu , Masaki Takano , Masato Takagi
IPC分类号： A01B69/00 , B62D6/00 , B62D11/00 , B62D12/00 , B63G8/20 , B63H25/04 , G05D1/00 , G06F7/00 , G06F17/00 , B60W30/09 , B62D15/02 , B62D1/28 , B60W30/12 , B60W40/08 , B60W10/04 , B60W10/18 , B60W10/20
摘要： The driving support ECU performs a steering control for changing a steering angle in such a manner that an own vehicle travels along a target path. When a state in which holding state information does not satisfy a first condition continues for a first time threshold or more, the ECU starts a first alert and continues the steering control. The holding state information includes information indicative of a steering torque and represents a holding state of a steering handle by a driver. When a state in which the holding state information does not satisfy a second condition for a second time threshold or more after the first alert is started, the ECU starts a deceleration control. The second condition is a condition satisfied when the holding state information indicates that the driver holds the steering handle more firmly than when the holding state information satisfies the first condition.

16. 发明授权

US10793185B2 Charge pressure circuit arrangement for steering control for a vehicle 有权
公开(公告)号：US10793185B2
公开(公告)日：2020-10-06
申请号：US16211445
申请日：2018-12-06
申请人： Deere & Company
发明人： David V. Rotole , Thomas D Bebernes , Thomas A Nichols , Kyle R Teach
IPC分类号： B62D5/09 , B62D5/12 , B62D5/08 , B62D1/22 , B62D11/00 , B62D11/04 , B62D11/24
摘要： A steering system is described for a vehicle having steerable wheels. A hydraulic charge pressure circuit may be configured to provide charge pressure to one or more hydraulic components of the vehicle and a hydraulic drive pressure circuit may be configured to provide working pressure to one or more other hydraulic components of the vehicle. Hydraulic machines may rotate front wheels in order to drive the vehicle, and a front valve assembly may control steering of the front wheels by controlling the hydraulic machines. The hydraulic machines may be driven to rotate the front wheels by the working pressure from the hydraulic drive pressure circuit, and the front valve assembly may control the front hydraulic machines to steer the agricultural vehicle by controlling flow of hydraulic fluid from the hydraulic charge pressure circuit through the front valve assembly.

17. 发明授权

US10780917B2 Steering systems, steering and speed coordination systems and associated vehicles 有权
公开(公告)号：US10780917B2
公开(公告)日：2020-09-22
申请号：US14664457
申请日：2015-03-20
申请人： MTD Products Inc
发明人： Axel Schaedler , Hans Hauser , Rick Ruebusch , Ian David Cornwell
IPC分类号： B62D7/09 , B62D7/08 , B62D9/00 , B62D11/00 , B62D11/24 , B62D3/02 , B60W10/10 , B60W10/20 , B60W30/045
摘要： In a broad respect, vehicles that are capable of making a low- to zero-radius turn using the independent rotation of drive wheels and by turning the non-driving steerable structure or structures (such as wheels) with a steering input device (in some embodiments, the driving wheels also may be capable of being turned). This may be accomplished using a steering system, a speed control system and an integration device (together, a control system) that are configured to work together to provide correct steering in forward and reverse, and, in some embodiments, to reduce the speed of the outboard drive wheel of the vehicle when it enters an extreme turn under constant speed input. Different systems configured for use in such vehicles are included.

18. 发明申请

US20200207413A1 STEERABLE TRACK SYSTEM FOR VEHICLES 审中-公开
公开(公告)号：US20200207413A1
公开(公告)日：2020-07-02
申请号：US16319530
申请日：2017-07-24
申请人： SOUCY INTERNATIONAL INC.
发明人： Charles ST-ARNAUD , Pascal LAFRENIERE , Steve FRECHETTE , Frederik MARTEL
IPC分类号： B62D11/20 , B62D55/10 , B62D11/00 , B62D55/084 , F16H1/20 , B62D55/04
摘要： A steerable track system usable with a vehicle that has a chassis, an axle frame extending laterally outwardly from the chassis and having an attachment portion at an end thereof to which the steerable track system is connectable, and a driven shaft extending laterally outwardly from the chassis suitable for driving the steerable track system. The steerable track system has a frame having a cavity defined therein and being operatively connectable to the axle frame so as to be pivotable about a steering axis for steering the track system, and a gear train with components disposed in the cavity. The gear train transmits driving forces from the driven shaft to a driven wheel assembly of a plurality of track-supporting wheel assemblies. An endless track extends around the track-supporting wheel assemblies and is drivable by the driven wheel assembly.

19. 发明授权

US10696327B2 Electronic pressure limiting for dual path systems 有权
公开(公告)号：US10696327B2
公开(公告)日：2020-06-30
申请号：US16171531
申请日：2018-10-26
申请人： DANFOSS POWER SOLUTIONS INC.
发明人： Brian E. Spranger , Caleb Van De Stroet
IPC分类号： B62D11/00 , F16H61/431 , F16H61/438
摘要： A pressure limiting system for a dual path machine wherein an input propel command from a propel device is scaled based upon the largest detected pressure in a hydraulic system to determine a modified propel command. Also, response time is adjusted within an electrical control system based upon the type of input propel command signal received.

20. 发明申请

US20200000039A1 INTEGRATED PARK BRAKE SYSTEM FOR A RIDING LAWN CARE VEHICLE 审中-公开
公开(公告)号：US20200000039A1
公开(公告)日：2020-01-02
申请号：US16480486
申请日：2018-05-16
申请人： HUSQVARNA AB
发明人： Braxton W. Reese
IPC分类号： A01D69/10 , A01D34/64 , B62D11/00 , A01D34/00
摘要： A riding lawn care vehicle may include a frame, a steering assembly, a first brake assembly, and a first biasing assembly. A first drive wheel and a second drive wheel of the riding lawn care vehicle are operably coupled to the frame. The steering assembly includes a first steering lever and a second steering lever. The first and second steering levers are operably coupled to corresponding ones of the first and second drive wheels via a first hydraulic motor and a second hydraulic motor, respectively, to facilitate turning of the riding lawn care vehicle based on drive speed control of the first and second drive wheels responsive to positioning of the first and second steering levers to control the first and second hydraulic motors. The first brake assembly is operably coupled to the first hydraulic motor to enable a braking force to be selectively applied to a motor shaft of the first hydraulic motor responsive to movement of the first steering lever from an inboard position to an outboard position. The first biasing assembly is configured to positively assist movement of the first steering lever between the inboard and outboard positions in both directions.

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