-
公开(公告)号：US11529940B2
公开(公告)日：2022-12-20
申请号：US16411369
申请日：2019-05-14
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Yasuhiro Manji
摘要： Provided is an electric power control device that allows a work vehicle to travel while carrying out a utility work smoothly. An electric power control device includes an operational state information acquisition section for acquiring operational state information indicative of an operational state of a work vehicle, a battery information acquisition section for acquiring battery information indicative of a state of a battery which is mounted on the work vehicle, a storage section for storing in advance operational mode information, a travel unit that causes the work vehicle to travel, a distributed electric power calculation section for calculating distributed electric powers to be distributed to the travel unit and an implement unit that effects the utility work respectively, and an instruction section for instructing the distributed electric powers to a travel control section that controls the travel unit and an implement control section that controls the implement unit, respectively.
-
公开(公告)号：US10850622B2
公开(公告)日：2020-12-01
申请号：US15993854
申请日：2018-05-31
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Hirokazu Ito , Yasuhiro Manji
IPC分类号： B60L7/24 , B60L1/00 , A01D34/66 , A01D34/68 , A01D34/78 , A01D69/02 , B60T1/00 , B60T8/17 , B60T13/74 , B60T17/18 , F16D59/02 , A01D34/00 , A01D101/00
摘要： An electric travelling vehicle including: a motor controller configured to control an electric motor based on displacement of a steering operation part to a forward travel position, a neutral position, and a rearward travel position, a brake controller configured to bring an electromagnetic power-off brake into a released state or a braking state; and a travel state detector configured to detect a travelling state that is accompanied with the released state, a stopped state that is accompanied with the braking state, and a transit stopped state that is accompanied with the braking state.
-
公开(公告)号：US20190387670A1
公开(公告)日：2019-12-26
申请号：US16378697
申请日：2019-04-09
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Katsuhiko Uemura , Yasuhiro Manji , Ryo Ikeda
摘要： An object of the present invention is to provide a work vehicle that can be controlled automatically. The work vehicle includes HST's for feeding power for traveling to at least either front wheels or rear wheels mounted on a traveling vehicle body, traveling levers for operating driving of at least either the front wheels or the rear wheel, traveling links operably coupling the traveling levers with the HST's, traveling drive sections for driving either the traveling levers or the traveling links, and a traveling control section configured to activate the traveling drive sections in response to receipt of a traveling instruction for the traveling levers in the automatic control mode for automatically controlling the traveling vehicle body.
-
公开(公告)号：US20190381988A1
公开(公告)日：2019-12-19
申请号：US16411369
申请日：2019-05-14
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Yasuhiro Manji
摘要： Provided is an electric power control device that allows a work vehicle to travel while carrying out a utility work smoothly. An electric power control device includes an operational state information acquisition section for acquiring operational state information indicative of an operational state of a work vehicle, a battery information acquisition section for acquiring battery information indicative of a state of a battery which is mounted on the work vehicle, a storage section for storing in advance operational mode information specifying possible operational modes of the work vehicle, a travel unit that causes the work vehicle to travel based on the operational state information, the battery information and the operational mode information, a distributed electric power calculation section for calculating distributed electric powers of electric power outputted from the battery to be distributed to the travel unit and an implement unit that effects the utility work respectively, and an instruction section for instructing the distributed electric powers to a travel control section that controls the travel unit and an implement control section that controls the implement unit, respectively.
-
公开(公告)号：US20190380265A1
公开(公告)日：2019-12-19
申请号：US16397146
申请日：2019-04-29
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Katsuhiko Uemura
IPC分类号： A01D34/00 , A01D34/64 , A01D41/127
摘要： Provided is a work evaluation system capable of appropriately evaluating a grass mowing work. A work evaluation system configured to effect evaluation of a grass mowing work performed by a work vehicle includes a state information acquisition section for acquiring vehicle state information indicative of a state of the work vehicle when performing the grass mowing work, a sound data acquisition section for acquiring sound data comprised of collection of sounds around the work vehicle, a foreign object amount calculation section for calculating an amount of foreign objects present in the work land which come into contact with a mowing blade in the course of the grass mowing work and an evaluation section for evaluating the grass mowing work performed in the work land, based on the vehicle state information and the foreign object amount.
-
公开(公告)号：US11433771B2
公开(公告)日：2022-09-06
申请号：US17078168
申请日：2020-10-23
申请人： Kubota Corporation
发明人： Kazuaki Matsuda , Hirokazu Ito , Yasuhiro Manji
IPC分类号： B60L7/24 , A01D34/78 , B60T1/00 , B60T13/74 , F16D59/02 , B60T17/18 , B60T8/17 , A01D34/66 , A01D34/68 , A01D69/02 , B60L1/00 , A01D34/00 , A01D101/00
摘要： An electric travelling vehicle including: a motor controller configured to control an electric motor based on displacement of a steering operation part to a forward travel position, a neutral position, and a rearward travel position, a brake controller configured to bring an electromagnetic power-off brake into a released state or a braking state; and a travel state detector configured to detect a travelling state that is accompanied with the released state, a stopped state that is accompanied with the braking state, and a transit stopped state that is accompanied with the braking state.
-
公开(公告)号：US20200367431A1
公开(公告)日：2020-11-26
申请号：US16668809
申请日：2019-10-30
申请人： Kubota Corporation
发明人： Hirokazu Ito , Kazuaki Matsuda
摘要： The mower unit includes a mower deck having a top wall and side walls extending downwards from an outer circumferential edge of the top wall, a rotational shaft extending upwards through the top wall from an inside space formed by the top wall and the side walls, a cutter blade attached to a lower portion of the rotational shaft within the inside space and rotatable together with the rotational shaft, an electric mower motor having an output shaft that can rotatably drive the rotational shaft, and a flywheel rotatable in association with the rotational driving of the mower motor.
-
公开(公告)号：US20200290465A1
公开(公告)日：2020-09-17
申请号：US16666684
申请日：2019-10-29
申请人： Kubota Corporation
摘要： An electric work vehicle includes a vehicle body having traveling wheels, a traveling motor capable of driving the traveling wheels, and a battery unit having, at one end portion thereof, a pair of left and right leg wheels, the battery unit being detachably attachable to a battery storage section of the vehicle body and being capable of supplying electric power to the traveling motor. The battery unit, when detached from the battery storage section, is posture-switchable between a flat placement state in which the leg wheels and the other end portion thereof opposite to the side on which the leg wheels are located are placed in contact with the ground surface and a tilted posture in which the battery unit can stand on its own with the other end portion thereof being located higher than the leg wheels.
-
公开(公告)号：US20200208657A1
公开(公告)日：2020-07-02
申请号：US16677400
申请日：2019-11-07
申请人： Kubota Corporation
IPC分类号： F15B21/0427 , B60L1/00 , B60L50/60 , A01D34/78 , A01D34/74 , F15B13/08 , H02K11/00 , H02K9/19
摘要： Provided is an electric work vehicle having a simple configuration, yet allowing a hydraulic cylinder to function appropriately even in a low-temperature environment. An electric work vehicle includes a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder and includes also a hydraulic system for feeding work oil to these hydraulic cylinders and a traveling motor. The hydraulic system includes an oil heating circuit for heating the work oil using heat generated from the traveling motor.
-
公开(公告)号：US20180338414A1
公开(公告)日：2018-11-29
申请号：US15826781
申请日：2017-11-30
申请人： Kubota Corporation
摘要： A work vehicle includes an inverter circuit (42) configured to provide electric current to a traveling motor unit (21, 22) based on an inverter drive signal, a target signal generation unit (51) configured to generate a control target signal for the inverter circuit (42) based on an operation detection signal, an inverter drive signal generation section (41) configured to generate an inverter drive signal based on the control target signal and output the inverter drive signal to the inverter circuit (42), a trouble detection section (53) configured to detect a vehicle trouble based on a state detection signal, and a signal superposition section (56) configured to superpose a pulsatory signal on the control target signal if the trouble detection section (53) detects a vehicle trouble and output a resultant superposed control target signal to the inverter drive signal generation section (41).
-
-
-
-
-
-
-
-
-
搜索结果
39 条记录 (耗时 0.016 秒)
