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21. 发明授权

US11769914B2 Working vehicle 有权
公开(公告)号：US11769914B2
公开(公告)日：2023-09-26
申请号：US17120522
申请日：2020-12-14
申请人： TAKEUCHI MFG. CO., LTD.
发明人： Kengo Kumeuchi , Shumpei Okutani , Tetsuya Matsumoto
IPC分类号： H01M10/42 , B60L53/50 , B60L58/18 , B60L50/60 , B60L53/62 , B60L58/14 , B60K35/00 , H01M10/0525 , H01M10/06 , H01M10/44 , H01M10/46 , H01M10/48 , B60R16/00
CPC分类号： H01M10/425 , B60K35/00 , B60L50/60 , B60L53/50 , B60L53/62 , B60L58/14 , B60L58/18 , H01M10/0525 , H01M10/06 , H01M10/441 , H01M10/46 , H01M10/48 , B60L2200/40 , B60R16/005 , H01M2010/4271 , H01M2220/20
摘要： There is provided a working vehicle with increased safety by preventing deterioration of a battery due to over-discharge of the battery caused by an operator not noticing occurrence of a malfunction in driving by connected to an external power source. The working vehicle includes a charger, the battery, a sensor, a drive unit, a controller, a display unit, a battery management system, and a switch, in which the battery management system is configured to control the working vehicle to be switched to the driving by connected to the external power source when the switch is turned on after the charger is connected to an external power source and a valid signal for driving by connected to the external power source is received.

22. 发明申请

US20230133546A1 WORKING CONTROL DEVICE IN WORKING VEHICLE 有权
公开(公告)号：US20230133546A1
公开(公告)日：2023-05-04
申请号：US17579266
申请日：2022-01-19
申请人： Takeuchi Mfg. Co., Ltd.
发明人： Kengo KUMEUCHI , Yuta KOBAYASHI , Shumpei OKUTANI , Koichi SHIMIZU
IPC分类号： E02F9/22
摘要： A working control device comprises a hydraulic actuator such as the boom cylinder 36, the bucket cylinder 38, the operation device 160 that is operated by an operator to drive the hydraulic actuator, a hydraulic oil supply source consisting of the electric motor M1 and the hydraulic pump P1 that delivers hydraulic oil required to drive the hydraulic actuator; and a delivery oil amount control device (the controller for controlling rotation of the electric motor) that controls an amount of oil to be delivered from the hydraulic oil supply source in response to an operation of the operation device. The delivery oil amount control device is configured to perform a supplying oil amount control to deliver from the hydraulic oil supply source a required amount of oil for the hydraulic actuator to have a working speed corresponding to the operation of the operation device.

23. 发明授权

US10472805B1 Hydraulic drive unit of hydraulic excavator 有权
公开(公告)号：US10472805B1
公开(公告)日：2019-11-12
申请号：US16168033
申请日：2018-10-23
申请人： Takeuchi Mfg. Co., Ltd.
发明人： Kengo Kumeuchi , Koichi Shimizu , Yuta Kobayashi , Shumpei Okutani , Takahiro Watanabe
IPC分类号： E02F9/22 , F15B11/17 , E02F3/30 , E02F3/42 , F15B11/16 , E02F9/12 , E02F3/96
摘要： A hydraulic drive unit of a hydraulic excavator is configured to include a first hydraulic pump (P1) that discharges a hydraulic oil for activating a boom cylinder (36) and the like, a first electric motor (M1) that drives the first hydraulic pump (P1), a hydraulic pump for revolution (P2) that discharges a hydraulic oil for activating a revolution motor (26), a second electric motor (M2) that drives the hydraulic pump for revolution (P2), and a motor control device (150) that controls the rotation of the first electric motor (M1) and that of the second electric motor (M2). The motor control device (150) is configured such that when the revolution of the revolving body is not activated by the revolution motor (26), control to deactivate the second electric motor (M2) is performed.

24. 发明授权

US07360823B2 Operator cab for construction machine 有权
标题翻译：建筑机械操作员驾驶室
公开(公告)号：US07360823B2
公开(公告)日：2008-04-22
申请号：US11114161
申请日：2005-04-26
申请人： Shinichi Nakayama , Mitsuhisa Shinsen
发明人： Shinichi Nakayama , Mitsuhisa Shinsen
IPC分类号： B60J5/06
CPC分类号： E02F9/163 , E05D15/1005 , E05Y2900/518
摘要： An operator cab 53, which is mounted rotatable on the vehicle body 51 of a hydraulic mini-shovel 50, comprises a cab box 1, a door 2, upper and lower link members 3 and 4, and a slide rail 5. The cab box 1 has an internal cab room 1a and an entrance 15, which leads into the cab room 1a. The door 2 closes and opens the entrance 15 when it is moved forward and rearward, respectively. The upper and lower link members 3 and 4 have fixed ends 3a and 4a, each of which is connected pivotally to the cab box 1, and moving ends 3b and 4b, each of which is connected pivotally to the front end of the door 2. The slide member 6 is connected pivotally to the rear end of the door 2 and slides along a slide rail 5, which is provided externally on the cab box 1.
摘要翻译：可旋转地安装在液压微型铲50的车体51上的操作员驾驶室53包括驾驶室箱1，门2，上下连杆构件3和4以及滑轨5。驾驶室1具有内部驾驶室1a和进入驾驶室1a的入口15。当门2分别向前和向后移动时，门2关闭并打开入口15。上连杆构件3和下连杆构件4具有固定端部3a和4a，它们各自枢转地连接到驾驶室1，以及移动端部3b和4b，其各自枢转地连接到门2。滑动构件6枢转地连接到门2的后端并且沿着设置在驾驶室1的外部的滑轨5滑动。

25. 发明公开

US20240287756A1 WORKING VEHICLE 审中-公开
公开(公告)号：US20240287756A1
公开(公告)日：2024-08-29
申请号：US18223119
申请日：2023-07-18
申请人： TAKEUCHI MFG. CO., LTD.
发明人： Hidaka Oyama , Shota Maruyama
IPC分类号： E02F9/08 , B60L53/80
CPC分类号： E02F9/0858 , B60L53/80 , B60L2200/40
摘要： There is provided a working vehicle facilitating the attachment/detachment of a battery pack. A working vehicle has a vehicle body, a travel unit, a working unit working by a hydraulic pressure, and an electric motor serving as a drive source for the travel unit or the working unit; the vehicle body includes a main body frame provided in a lower portion and serving as a reinforcing member and a support member for on-board devices; the main body frame includes a large plate serving as a bottom plate; the large plate has a cutout area provided in a rear portion, facing backward in a plane view, and allowing the support section of a device loading/unloading a battery pack to abut on the cutout area, and the battery pack is disposed above the cutout area.

26. 发明申请

US20230039973A1 WORKING VEHICLE 有权
公开(公告)号：US20230039973A1
公开(公告)日：2023-02-09
申请号：US17830464
申请日：2022-06-02
申请人： TAKEUCHI MFG. CO., LTD.
发明人： Kengo KUMEUCHI , Shumpei OKUTANI , Tetsuya MATSUMOTO
IPC分类号： E02F9/08 , E02F9/22 , B60Q1/04 , B60R16/03 , E02F9/16 , F15B15/18
摘要： A working vehicle including a work unit hydraulically driven, a hydraulic pump driven by an electric motor, a power source and a power supply circuit which supply electric power to the electric motor, and a main body supporting them, a first fixation mechanism fixing a first fixation component to the main body includes a first conductor, a first conduction member making the first conductor and the main body electrically conductive to each other, and a second conduction member making the first conductor and the first fixation component electrically conductive to each other, and is configured such that the main body and the first fixation component are electrically conductive to each other via the first conductor and the first and second conduction members and are equal in electric potential, and the main body is electrically conductive and equal in electric potential to a ground pole of the power supply circuit.

27. 发明授权

US11332909B2 Working vehicle 有权
公开(公告)号：US11332909B2
公开(公告)日：2022-05-17
申请号：US16584300
申请日：2019-09-26
申请人： TAKEUCHI MFG. CO., LTD.
发明人： Shingo Takeuchi , Yuta Nakamura
IPC分类号： E02F9/00 , B66C1/20 , B66C1/34
摘要： There is provided a working vehicle capable of simplifying a structure and reducing manufacturing costs by realizing a configuration in which a tying-down attachment point doubles as a lifting attachment point. A working vehicle according to the present invention includes tying-down attachment points for locking a tightening member for preventing reversal at the time of transportation or parking in at least the front of a vehicle body, in which the tying-down attachment points are arranged at right-and-left two places on a front end surface of the vehicle body, capable of locking a lifting member for lifting the vehicle body upward and having strength in a vertical direction enough to withstand a load applied at the time of lifting the vehicle body upward after locking the lifting member, thereby doubling as lifting attachment points.

28. 发明授权

US10954968B2 Operation control device for working vehicle 有权
公开(公告)号：US10954968B2
公开(公告)日：2021-03-23
申请号：US16672441
申请日：2019-11-02
申请人： Takeuchi Mfg. Co., Ltd.
发明人： Kengo Kumeuchi , Koichi Shimizu , Shumpei Okutani , Yuta Kobayashi
IPC分类号： F15B9/04 , E02F9/22
摘要： An operation control device for a working vehicle which includes a hydraulic working device, comprises a hydraulic actuator to drive the hydraulic working device, an operating oil supply source for driving the hydraulic actuator, a sent-out oil amount control device that controls the amount of oil sent out from the operating oil supply source, an operating device to be operated to make the hydraulic actuator work, and an operating oil supply control device that performs control to supply operating oil to the hydraulic actuator according to operation of the operating device. The sent-out oil amount control device controls the amount of oil sent out from the operating oil supply source according to the operation amount of the operating device.

29. 发明申请

US20200080276A1 WORKING DEVICE 审中-公开
公开(公告)号：US20200080276A1
公开(公告)日：2020-03-12
申请号：US16257877
申请日：2019-01-25
申请人： Takeuchi Mfg. Co., Ltd.
发明人： Akihiro ISHIAI , Takenori NISHIZAWA
IPC分类号： E02F3/36 , E02F9/00
摘要： A working device is provided wherein a tilt bucket 70 is pivotally joined, vertically swingably, to the tip of an arm 33 by a third pivot joint pin P3 and is vertically swung by a bucket cylinder 38 via first link members 81A, 81B and a second link member 82. The connection unit 100 to be connected to the first link members 81A, 81B is pivotally joined, vertically swingably, to the tip of the bucket cylinder 38. By switching the connection position of connection pins 131A, 131B of the connection unit 100 and the first link members 81A, 81B selectively between the position of a connection hole H1 and the position of a connection hole H2, the swing range and excavating force of the tilt bucket 70 are switched.

30. 发明授权

US09815332B2 Working vehicle 有权
公开(公告)号：US09815332B2
公开(公告)日：2017-11-14
申请号：US14879267
申请日：2015-10-09
申请人： Takeuchi Mfg. Co., Ltd.
发明人： Yuuki Jinno , Shumpei Okutani
IPC分类号： B60Q1/00 , B60C9/00 , G01F23/00 , E02F9/08 , E02F9/26 , B60K15/03
CPC分类号： B60C9/00 , B60K13/04 , B60K15/03 , B60K2015/03203 , B60K2015/03223 , B60K2015/03361 , B60K2015/03368 , B60K2015/0458 , B60Q9/00 , E02F9/0883 , E02F9/267 , F01N3/0231 , F01N3/103 , F01N3/2066 , F01N13/0093 , F01N2590/08 , F01N2610/02 , F01N2610/1406 , F01N2610/142 , F01N2900/1814 , F02M1/185 , F02M5/00 , F02M17/06 , G01F23/00 , G01F23/0061 , G01F23/32 , Y02A50/2325 , Y02T10/24
摘要： A working vehicle according to the present invention is configured with a fuel tank, a fuel sensor for detecting an amount of fuel stored in the fuel tank, and an informing device (a controller, informing switch, and speaker) for informing the stored amount of fuel detected by the fuel sensor, by changing the informing pattern in response to this stored amount of fuel. The working vehicle is also configured with an exhaust gas purification system for purifying exhaust gas using urea water, a urea water tank, a urea water sensor for detecting the amount of urea water stored in the urea water tank, and an informing device (the controller, informing switch, and speaker) for informing a stored amount of urea water detected by the urea water sensor, by changing the informing pattern in response to this stored amount of urea water.

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