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1. 发明授权

US09694679B2 Drive control system for work vehicle 有权
公开(公告)号：US09694679B2
公开(公告)日：2017-07-04
申请号：US14796262
申请日：2015-07-10
申请人： Kubota Corporation
发明人： Akihiro Matsuzaki , Satoshi Yoshikawa , Michita Kono
IPC分类号： B60K23/08 , B60K28/16 , B60W10/06
CPC分类号： B60K23/08 , B60K28/16 , B60K28/165 , B60K2023/0858 , B60W10/06 , B60Y2200/221 , B60Y2300/181 , B60Y2300/18175
摘要： A drive control system for a work vehicle is provided with a power transmission device that drives front wheels and rear wheels, a request determination unit, and a drive mode control unit. The power transmission device has a drive mode switching mechanism that performs drive mode switching between a four-wheel drive mode in which drive power is transmitted to front wheels and rear wheels and a two-wheel drive mode in which drive power is transmitted to only the rear wheels. The request determination unit determines a necessity for an increase in drive power on a contact area of the work vehicle, and outputs an increase request based on the determination result. The drive mode control unit outputs a drive mode switching request for switching to the four-wheel drive mode to the drive mode switching mechanism, in response to output of the increase request.

2. 发明授权

US09045016B2 Hydraulic suspension system for work vehicle 有权
标题翻译：工作车液压悬挂系统
公开(公告)号：US09045016B2
公开(公告)日：2015-06-02
申请号：US13687335
申请日：2012-11-28
申请人： Kubota Corporation
发明人： Kenichi Iwami , Shigeki Hayashi , Atsushi Hayashi , Akihiro Matsuzaki , Toshimitsu Yazaki , Nobuyuki Okabe
IPC分类号： G06F19/00 , B60G17/015 , B60G9/00 , B60G9/02 , B60G11/26
CPC分类号： B60G17/016 , B60G9/00 , B60G9/02 , B60G11/265 , B60G17/015 , B60G17/0152 , B60G2300/082 , B60G2400/252 , B60G2400/5122 , B60G2500/114 , B60G2500/30 , B60G2500/322 , B60G2800/16
摘要： The hydraulic suspension system comprises a suspension mechanism (100) for a traveling vehicle body, a suspension reference position variation mechanism (18) for varying a reference position of a suspension stroke of the suspension mechanism, and a stopped state detector (58) for detecting a state in which operation of the suspension mechanism (100) has stopped. The control management unit (60) controls the suspension reference position variation mechanism (18) so that when operation of the suspension mechanism (100) is detected by the stopped state detector (58) to be in a stopped state, the operation of the suspension mechanism (100) moves toward a target range, in preference to control based on a suspension stroke position obtained from a suspension stroke position sensor (37).
摘要翻译：液压悬挂系统包括用于行进车体的悬挂机构（100），用于改变悬架机构的悬架行程的基准位置的悬架基准位置变化机构（18）和用于检测悬架机构的停止状态检测器（58）暂停机构（100）的动作停止的状态。控制管理单元（60）控制悬架基准位置变更机构（18），使得当停止状态检测器（58）检测出悬架机构（100）的运转为停止状态时，暂停运转机构（100）朝向目标范围移动，优先于基于从悬架行程位置传感器（37）获得的悬架行程位置的控制。

3. 发明申请

US20130087421A1 Hydraulic Suspension System for Work Vehicle 有权
标题翻译：工作车液压悬挂系统
公开(公告)号：US20130087421A1
公开(公告)日：2013-04-11
申请号：US13687335
申请日：2012-11-28
申请人： Kubota Corporation
发明人： Kenichi Iwami , Shigeki Hayashi , Atsushi Hayashi , Akihiro Matsuzaki , Toshimitsu Yazaki , Nobuyuki Okabe
IPC分类号： B60G17/015
CPC分类号： B60G17/016 , B60G9/00 , B60G9/02 , B60G11/265 , B60G17/015 , B60G17/0152 , B60G2300/082 , B60G2400/252 , B60G2400/5122 , B60G2500/114 , B60G2500/30 , B60G2500/322 , B60G2800/16
摘要： The hydraulic suspension system comprises a suspension mechanism (100) for a traveling vehicle body, a suspension reference position variation mechanism (18) for varying a reference position of a suspension stroke of the suspension mechanism, and a stopped state detector (58) for detecting a state in which operation of the suspension mechanism (100) has stopped. The control management unit (60) controls the suspension reference position variation mechanism (18) so that when operation of the suspension mechanism (100) is detected by the stopped state detector (58) to be in a stopped state, the operation of the suspension mechanism (100) moves toward a target range, in preference to control based on a suspension stroke position obtained from a suspension stroke position sensor (37).
摘要翻译：液压悬挂系统包括用于行进车体的悬挂机构（100），用于改变悬架机构的悬架行程的基准位置的悬架基准位置变化机构（18）和用于检测悬架机构的停止状态检测器（58）暂停机构（100）的动作停止的状态。控制管理单元（60）控制悬架基准位置变更机构（18），使得当停止状态检测器（58）检测出悬架机构（100）的运转为停止状态时，暂停运转机构（100）朝向目标范围移动，优先于基于从悬架行程位置传感器（37）获得的悬架行程位置的控制。

4. 发明授权

US09821618B2 Suspension system 有权
公开(公告)号：US09821618B2
公开(公告)日：2017-11-21
申请号：US14684712
申请日：2015-04-13
申请人： Kubota Corporation
发明人： Kenichi Iwami , Shigeki Hayashi , Akihiro Matsuzaki , Toshimitsu Yazaki , Atsushi Hayashi , Kazuma Ishihara
IPC分类号： B60G17/00 , B60G17/015 , B60G9/02 , B60G17/052 , B60G17/019 , B60G17/04 , B60G17/0165 , B60G17/018 , B60G17/016
CPC分类号： B60G17/0152 , B60G9/022 , B60G17/01933 , B60G17/04 , B60G17/0523 , B60G2200/32 , B60G2300/082 , B60G2400/252
摘要： A suspension system for a traveling vehicle body is disclosed. The system includes a suspension reference position varying mechanism (18) for varying a reference position of a suspension stroke of the suspension mechanism (100), and a controller (35) configured to calculate an intermediate value from a maximal value corresponding to the maximal position of the suspension stroke and a minimal value corresponding to the minimal position of the suspension stroke, and to control the suspension reference position varying mechanism such that, when the calculated intermediate values deviates from a set target range, the intermediate value is displaced toward the target range. The controller (35) increases a control execution frequency for the suspension reference position varying mechanism (18) when the traveling speed of the vehicle body is low, and reduces the control execution frequency for the suspension reference position varying mechanism (18) when the traveling speed of the vehicle body is high.

5. 发明授权

US09096127B2 Drive control system for work vehicle 有权
标题翻译：工作车辆驱动控制系统
公开(公告)号：US09096127B2
公开(公告)日：2015-08-04
申请号：US14024366
申请日：2013-09-11
申请人： Kubota Corporation
发明人： Akihiro Matsuzaki , Satoshi Yoshikawa , Michita Kono
IPC分类号： B60K23/08 , B60W10/06 , B60K28/16
CPC分类号： B60K23/08 , B60K28/16 , B60K28/165 , B60K2023/0858 , B60W10/06 , B60Y2200/221 , B60Y2300/181 , B60Y2300/18175
摘要： A drive control system for a work vehicle is provided with a power transmission device that drives front wheels and rear wheels, a request determination unit, and a drive mode control unit. The power transmission device has a drive mode switching mechanism that performs drive mode switching between a four-wheel drive mode in which drive power is transmitted to front wheels and rear wheels and a two-wheel drive mode in which drive power is transmitted to only the rear wheels. The request determination unit determines a necessity for an increase in drive power on a contact area of the work vehicle, and outputs an increase request based on the determination result. The drive mode control unit outputs a drive mode switching request for switching to the four-wheel drive mode to the drive mode switching mechanism, in response to output of the increase request.
摘要翻译：工作车辆的驱动控制系统设置有驱动前轮和后轮的动力传递装置，请求确定单元和驱动模式控制单元。动力传递装置具有驱动模式切换机构，其在驱动力传递到前轮和后轮的四轮驱动模式和仅向驱动力传递驱动力的两轮驱动模式之间进行驱动模式切换后轮。请求确定单元确定对工作车辆的接触区域的驱动功率的增加的必要性，并且基于确定结果输出增加请求。响应于增加请求的输出，驱动模式控制单元向驱动模式切换机构输出切换到四轮驱动模式的驱动模式切换请求。

6. 发明授权

US09556772B2 Fuel tank and liquid tank configuration for a work vehicle 有权
标题翻译：工作车辆的油箱和液罐配置
公开(公告)号：US09556772B2
公开(公告)日：2017-01-31
申请号：US14716056
申请日：2015-05-19
申请人： KUBOTA CORPORATION
发明人： Yoshihiro Mitobe , Atsushi Hayashi , Akihiro Matsuzaki , Yuji Imanaga
IPC分类号： F01N3/20 , B60K15/03 , F01N3/08 , B60K13/04
CPC分类号： F01N3/20 , B60K13/04 , B60K15/03 , B60K2015/03105 , F01N3/0842 , F01N3/206 , F01N2570/14 , F01N2610/02 , F01N2610/10 , F01N2610/1406
摘要： A work vehicle includes an engine, a fuel tank that has a fuel supply inlet and stores engine fuel, and a liquid tank that has a liquid supply inlet and stores purification liquid that is used in purification of engine exhaust gas. The liquid tank is protected by the fuel tank so that the liquid tank is not directly exposed to hot air from the engine.
摘要翻译：工作车辆包括发动机，具有燃料供给入口并存储发动机燃料的燃料箱和具有液体供给入口并储存用于净化发动机废气的净化液体的液体罐。液体罐由燃料箱保护，使得液体罐不直接暴露于来自发动机的热空气。

7. 发明申请

US20160001655A1 Drive Control System for Work Vehicle 有权
标题翻译：工作车辆驱动控制系统
公开(公告)号：US20160001655A1
公开(公告)日：2016-01-07
申请号：US14796262
申请日：2015-07-10
申请人： Kubota Corporation
发明人： Akihiro Matsuzaki , Satoshi Yoshikawa , Michita Kono
IPC分类号： B60K23/08 , B60K28/16
CPC分类号： B60K23/08 , B60K28/16 , B60K28/165 , B60K2023/0858 , B60W10/06 , B60Y2200/221 , B60Y2300/181 , B60Y2300/18175
摘要： A drive control system for a work vehicle is provided with a power transmission device that drives front wheels and rear wheels, a request determination unit, and a drive mode control unit. The power transmission device has a drive mode switching mechanism that performs drive mode switching between a four-wheel drive mode in which drive power is transmitted to front wheels and rear wheels and a two-wheel drive mode in which drive power is transmitted to only the rear wheels. The request determination unit determines a necessity for an increase in drive power on a contact area of the work vehicle, and outputs an increase request based on the determination result. The drive mode control unit outputs a drive mode switching request for switching to the four-wheel drive mode to the drive mode switching mechanism, in response to output of the increase request.
摘要翻译：工作车辆的驱动控制系统设置有驱动前轮和后轮的动力传递装置，请求确定单元和驱动模式控制单元。动力传递装置具有驱动模式切换机构，其在驱动力传递到前轮和后轮的四轮驱动模式和仅向驱动力传递驱动力的两轮驱动模式之间进行驱动模式切换后轮。请求确定单元确定对工作车辆的接触区域的驱动功率的增加的必要性，并且基于确定结果输出增加请求。响应于增加请求的输出，驱动模式控制单元向驱动模式切换机构输出切换到四轮驱动模式的驱动模式切换请求。

8. 发明申请

US20150231943A1 Hydraulic Suspension System for Work Vehicle 有权
标题翻译：工作车液压悬挂系统
公开(公告)号：US20150231943A1
公开(公告)日：2015-08-20
申请号：US14705392
申请日：2015-05-06
申请人： Kubota Corporation
发明人： Kenichi Iwami , Shigeki Hayashi , Atsushi Hayashi , Akihiro Matsuzaki , Toshimitsu Yazaki , Nobuyuki Okabe
IPC分类号： B60G17/016
CPC分类号： B60G17/016 , B60G9/00 , B60G9/02 , B60G11/265 , B60G17/015 , B60G17/0152 , B60G2300/082 , B60G2400/252 , B60G2400/5122 , B60G2500/114 , B60G2500/30 , B60G2500/322 , B60G2800/16
摘要： The hydraulic suspension system comprises a suspension mechanism for a traveling vehicle body, a suspension reference position variation mechanism for varying a reference position of a suspension stroke of the suspension mechanism, and a stopped state detector for detecting a state in which operation of the suspension mechanism has stopped. The control management unit controls the suspension reference position variation mechanism so that when operation of the suspension mechanism is detected by the stopped state detector to be in a stopped state, the operation of the suspension mechanism moves toward a target range, in preference to control based on a suspension stroke position obtained from a suspension stroke position sensor.
摘要翻译：液压悬架系统包括用于行进车体的悬挂机构，用于改变悬架机构的悬架行程的基准位置的悬架基准位置变化机构和用于检测悬架机构的操作状态的停止状态检测器已经停止。控制管理单元控制悬架基准位置变更机构，使得当停止状态检测器检测到悬架机构的动作处于停止状态时，悬架机构的动作优先于目标范围，优先于基于控制在从悬架行程位置传感器获得的悬架行程位置上。

9. 发明申请

US20140129106A1 Drive Control System for Work Vehicle 有权
标题翻译：工作车辆驱动控制系统
公开(公告)号：US20140129106A1
公开(公告)日：2014-05-08
申请号：US14024366
申请日：2013-09-11
申请人： Kubota Corporation
发明人： Akihiro Matsuzaki , Satoshi Yoshikawa , Michita Kono
IPC分类号： B60K23/08
CPC分类号： B60K23/08 , B60K28/16 , B60K28/165 , B60K2023/0858 , B60W10/06 , B60Y2200/221 , B60Y2300/181 , B60Y2300/18175
摘要： A drive control system for a work vehicle is provided with a power transmission device that drives front wheels and rear wheels, a request determination unit, and a drive mode control unit. The power transmission device has a drive mode switching mechanism that performs drive mode switching between a four-wheel drive mode in which drive power is transmitted to front wheels and rear wheels and a two-wheel drive mode in which drive power is transmitted to only the rear wheels. The request determination unit determines a necessity for an increase in drive power on a contact area of the work vehicle, and outputs an increase request based on the determination result. The drive mode control unit outputs a drive mode switching request for switching to the four-wheel drive mode to the drive mode switching mechanism, in response to output of the increase request.
摘要翻译：工作车辆的驱动控制系统设置有驱动前轮和后轮的动力传递装置，请求确定单元和驱动模式控制单元。动力传递装置具有驱动模式切换机构，其在驱动力传递到前轮和后轮的四轮驱动模式和仅向驱动力传递驱动力的两轮驱动模式之间进行驱动模式切换后轮。请求确定单元确定对工作车辆的接触区域的驱动功率的增加的必要性，并且基于确定结果输出增加请求。响应于增加请求的输出，驱动模式控制单元向驱动模式切换机构输出切换到四轮驱动模式的驱动模式切换请求。

10. 发明授权

US09421841B2 Hydraulic suspension system for work vehicle 有权
标题翻译：工作车液压悬挂系统
公开(公告)号：US09421841B2
公开(公告)日：2016-08-23
申请号：US14705392
申请日：2015-05-06
申请人： Kubota Corporation
发明人： Kenichi Iwami , Shigeki Hayashi , Atsushi Hayashi , Akihiro Matsuzaki , Toshimitsu Yazaki , Nobuyuki Okabe
IPC分类号： G06F19/00 , B60G17/016
CPC分类号： B60G17/016 , B60G9/00 , B60G9/02 , B60G11/265 , B60G17/015 , B60G17/0152 , B60G2300/082 , B60G2400/252 , B60G2400/5122 , B60G2500/114 , B60G2500/30 , B60G2500/322 , B60G2800/16
摘要： The hydraulic suspension system comprises a suspension mechanism for a traveling vehicle body, a suspension reference position variation mechanism for varying a reference position of a suspension stroke of the suspension mechanism, and a stopped state detector for detecting a state in which operation of the suspension mechanism has stopped. The control management unit controls the suspension reference position variation mechanism so that when operation of the suspension mechanism is detected by the stopped state detector to be in a stopped state, the operation of the suspension mechanism moves toward a target range, in preference to control based on a suspension stroke position obtained from a suspension stroke position sensor.
摘要翻译：液压悬架系统包括用于行进车体的悬挂机构，用于改变悬架机构的悬架行程的基准位置的悬架基准位置变化机构和用于检测悬架机构的操作状态的停止状态检测器已经停止。控制管理单元控制悬架基准位置变更机构，使得当停止状态检测器检测到悬架机构的动作处于停止状态时，悬架机构的动作优先于目标范围，偏向基于控制在从悬架行程位置传感器获得的悬架行程位置上。

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