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41.发明授权公开(公告)号：US10029551B2
公开(公告)日：2018-07-24
申请号：US15352059
申请日：2016-11-15
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Kazuo Koike , Yasuhiro Manji
IPC: B60K1/04 , B60L11/18 , B60K7/00 , B60K17/04 , A01D34/78 , A01D34/82 , H01M2/10 , H01M10/625 , A01D69/02 , B60K1/00 , A01D101/00
Abstract: An electric work vehicle includes: a battery pack that is arranged between a left rear wheel arranged outside of a left frame and a right rear wheel arranged outside of a right frame, the front end of the battery pack being located forward of an axle center of a rear wheel unit; a left motor that is arranged above the battery pack, in the periphery of the left rear wheel, receives a supply of power from the battery pack, and transmits rotational power to the left rear wheel; and a right motor that is arranged above the battery pack, in the periphery of the right rear wheel, receives a supply of power from the battery pack, and transmits rotational power to the right rear wheel.
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公开(公告)号：US09981544B2
公开(公告)日：2018-05-29
申请号：US14956693
申请日：2015-12-02
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Kazuo Koike
CPC classification number: B60K11/04 , B60K1/02 , B60K1/04 , B60K7/0007 , B60K2001/003 , B60K2001/006 , B60K2001/0416 , B60K2007/0061 , B60L11/1851
Abstract: An electric work vehicle includes a left motor 4L that drives a left drive wheel 12L and a right motor 4R that drives a right drive wheel 12R, a cooling liquid circulation flow path 7 connected to the left motor 4L and the right motor 4R, and a cooling liquid distribution mechanism 6 that, according to a travel state, adjusts a ratio between a cooling liquid flow amount that flows from a pump 72 disposed on the cooling liquid circulation flow path 7 to the left motor 4L, and a cooling liquid flow amount that flows from the pump 72 to the right motor 4R.
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公开(公告)号：US09949436B2
公开(公告)日：2018-04-24
申请号：US15164075
申请日：2016-05-25
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Kazuo Koike
Abstract: A grass mower is provided with a plurality of rotating shafts passing through a ceiling wall of a mower deck and extending upward, disposed in a side-by-side state; cutting blades respectively linked to the rotating shafts in an internal space of the mower deck; an electric motor mounted at a location to the lateral outside relative to a rotation path of the cutting blades within the mower deck, and having an output shaft extending upward; and a power transmission mechanism positioned above the ceiling wall of the mower deck, and configured to transmit power from the output shaft to the rotating shafts of the cutting blades.
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公开(公告)号：US20170263914A1
公开(公告)日：2017-09-14
申请号：US15356771
申请日：2016-11-21
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Yasuhiro Manji
CPC classification number: H01M2/34 , B60K1/02 , B60K1/04 , B60K7/0007 , B60K2001/0416 , B60K2001/0477 , B60K2001/0494 , B60L11/1861 , B60L11/1877 , B60L2200/40 , B60L2250/00 , B60Y2200/223 , B60Y2400/112 , H01M2/1077 , H01M2/1083 , H01M2/206 , H01M10/425 , H01M10/48 , H01M2010/4271 , H01M2220/20 , Y10S903/907
Abstract: An electric work vehicle includes a plurality of battery mounting portions, a plurality of battery packs that can be detachably mounted to the battery mounting portions, a main body contact provided for each one of the battery mounting portions and electrically connected with the battery back mounted to the battery mounting portion, a power feeding circuit to which the main body contact is parallel connected, a battery switch configured to block flow of electric power from the battery pack to the power feeding circuit, a switch operating portion for operating the battery switch, a charged amount estimating portion for estimating a charged power of the battery pack mounted to the battery mounting portion, an electric motor driven by power fed from at least one battery pack via the power feeding circuit, and a driving wheel receiving power transmitted from the electric motor.
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公开(公告)号：US09699961B2
公开(公告)日：2017-07-11
申请号：US14956613
申请日：2015-12-02
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Yoshitomo Fujimoto
CPC classification number: A01D34/008 , A01D34/006 , A01D34/74 , A01D2101/00
Abstract: A mowing vehicle that includes: a raising/lowering control portion 59 that changes the height of the mower unit with respect to the ground between an operation height and a non-operation height, and a management portion 55 that provides control instructions to the raising/lowering control portion 59 and a mowing blade driving control portion 58 based on a result of detection performed by a traveling state detection portion 7.
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Patent Agency Ranking
公开(公告)号：US20160297293A1
公开(公告)日：2016-10-13
申请号：US14956693
申请日：2015-12-02
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Kazuo Koike
CPC classification number: B60K11/04 , B60K1/02 , B60K1/04 , B60K7/0007 , B60K2001/003 , B60K2001/006 , B60K2001/0416 , B60K2007/0061 , B60L11/1851
Abstract: An electric work vehicle includes a left motor 4L that drives a left drive wheel 12L and a right motor 4R that drives a right drive wheel 12R, a cooling liquid circulation flow path 7 connected to the left motor 4L and the right motor 4R, and a cooling liquid distribution mechanism 6 that, according to a travel state, adjusts a ratio between a cooling liquid flow amount that flows from a pump 72 disposed on the cooling liquid circulation flow path 7 to the left motor 4L, and a cooling liquid flow amount that flows from the pump 72 to the right motor 4R.
Abstract translation: 电动车辆包括驱动左驱动轮12L的左电动机4L和驱动右驱动轮12R的右电动机4R，连接到左电动机4L和右电动机4R的冷却液循环流路7，以及 冷却液分配机构6，根据行驶状态，调节从设置在冷却液循环流路7上的泵72流向左电动机4L的冷却液流量与冷却液流量之间的比， 从泵72流向右马达4R。
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公开(公告)号：US20160288829A1
公开(公告)日：2016-10-06
申请号：US14944830
申请日：2015-11-18
Applicant: Kubota Corporation
Inventor： Hirokazu Ito , Kazuo Koike
CPC classification number: A01D34/78 , A01D34/64 , A01D67/00 , Y02T10/7258
Abstract: An electric work vehicle includes a casing structure connected to a vehicle frame and having a central casing, a left casing, and a right casing. The vehicle further includes a left rear wheel supported by the left casing, a right rear wheel supported by the right casing, a left motor housed in a left region of the central casing, a right motor housed in a right region of the central casing, a left transmission mechanism housed in the left casing for transmitting power from the left motor to the left rear wheel, and a right transmission mechanism housed in the right casing for transmitting power from the right motor to the right rear wheel.
Abstract translation: 电动车辆包括连接到车架并具有中央壳体，左壳体和右壳体的壳体结构。 车辆还包括由左壳体支撑的左后轮，由右壳体支撑的右后轮，容纳在中心壳体的左侧区域中的左电动机，容纳在中心壳体的右侧区域中的右电动机， 左传动机构容纳在左壳体中，用于将动力从左电动机传递到左后轮;以及右传动机构，其容纳在右壳体中，用于将动力从右电动机传递到右后轮。
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48.发明申请Vehicle Having Independently Driven and Controlled Right and Left Drive Wheels 有权具有独立驱动和控制的右和左驱动轮的车辆公开(公告)号：US20150039171A1
公开(公告)日：2015-02-05
申请号：US14450778
申请日：2014-08-04
Applicant: Kubota Corporation
Inventor： Kazuo Koike , Hirokazu Ito , Yoshikazu Togoshi
CPC classification number: B62D6/04 , A01D34/006 , A01D69/02 , A01D2101/00 , B60K7/0007 , B60L15/2036 , B60L15/36 , B60L2210/10 , B60L2240/421 , B60L2240/423 , B60L2240/461 , B60L2240/463 , B62D11/003 , B62D11/04 , Y02T10/645 , Y02T10/7275
Abstract: A self-propelled vehicle includes a maneuvering unit, a drive unit including first and second drive sections, which are driven and controlled by drive wheel control commands, a drive wheel unit including left and right drive wheels driven by the first and second drive sections, respectively, at least one caster wheel which is controlled by a caster wheel control command, a bank detector for detecting a degree of bank of the vehicle and a control unit including a drive wheel control section for generating the drive wheel control commands. The control unit further includes a caster wheel control section which generates the caster wheel control command for controlling the steering angle of the caster wheel during a bank traversing travel, based on the bank degree so as to resolve a difference between a target travel and the actual travel which occurs during the bank traversing travel.
Abstract translation: 自行车包括操纵单元，包括由驱动轮控制命令驱动和控制的第一和第二驱动部分的驱动单元，包括由第一和第二驱动部分驱动的左右驱动轮的驱动轮单元， 分别由脚轮控制命令控制的至少一个脚轮，用于检测车辆的行程度的行检测器和包括用于产生驱动轮控制命令的驱动轮控制部的控制单元。 控制单元进一步包括脚轮控制部，该脚轮控制部基于该行程度，生成用于控制横向行驶期间脚轮的转向角的脚轮控制指令，以解决目标行程与实际行程之间的差 银行横穿旅行时发生的旅行。
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公开(公告)号：US11981307B2
公开(公告)日：2024-05-14
申请号：US17840251
申请日：2022-06-14
Applicant: Kubota Corporation
Inventor： Yasuhiro Manji , Masahiro Yamada , Hirokazu Ito
CPC classification number: B60T7/045 , A01B76/00 , A01D34/828 , B60Q9/00 , B60T13/743 , B60L15/2009 , F16D2121/22
Abstract: A work vehicle includes: a body; a travel device supporting the body; a travel driver configured to drive the travel device; a brake configured to lock and unlock the travel device; a deactivation operation tool manually movable to a first position, at which the brake is operable to be activated and deactivated, and a second position, at which the brake is kept deactivated; a position detector configured to detect that the deactivation operation tool is at the second position; and a notifier configured to provide, based on a result of the detection by the position detector, a notification that the deactivation operation tool is at the second position.
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公开(公告)号：US11623505B2
公开(公告)日：2023-04-11
申请号：US17339215
申请日：2021-06-04
Applicant: Kubota Corporation
Inventor： Masahiro Yamada , Hirokazu Ito , Makoto Odagiri
Abstract: An electric work vehicle includes: a carrier 32 in which a battery can be stored and a support portion 40 is provided; a carrier storage portion provided in a vehicle body and capable of holding the carrier 32; a guide portion 21, 22 that is capable of supporting, via the support portion 40, the carrier 32 operated so as to be lifted from the ground, in a state in which the carrier is lifted from the ground, and guiding the carrier 32 toward the carrier storage portion; and a positioning portion 42 configured to, when the carrier 32 placed on the ground is operated so as to be lifted and the support portion 40 has reached a position at which the support portion 40 can be supported by the guide portion 21, 22, stop the operation of lifting the carrier 32.
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