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1. 发明授权

US07770697B2 Energy recovering method and system in hydraulic lift device of battery operated industrial trucks 有权
标题翻译：电动工业卡车液压升降装置能量回收方法及系统
公开(公告)号：US07770697B2
公开(公告)日：2010-08-10
申请号：US11663534
申请日：2006-02-13
申请人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Tomohiro Akaki , Fujio Eguchi , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michio Akao
发明人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Tomohiro Akaki , Fujio Eguchi , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michio Akao
IPC分类号： B66F9/22 , F15B21/14 , F16D31/02
CPC分类号： B66F9/24 , B66F9/22 , F15B21/14 , F15B2211/20515 , F15B2211/20561 , F15B2211/6313 , F15B2211/88 , Y02P80/13
摘要： An energy recovering system in a hydraulic lift device of a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, occurrence of pressure pulsation in the working oil can be prevented, and energy recovering efficiency is increased. The hydraulic lift device comprises a lift cylinder (1) for lifting a fork F, an electric motor (4) rotated by power supply from a battery (5), a hydraulic pump (3) for supplying pressurized oil to the lift cylinder (1), a control valve (14) disposed in a pressurized oil supply path (23), and a controller (17). The controller (17) controls the opening of the control valve (14) and rotation speed of the electric motor (4) which functions as an electric generator driven by the hydraulic pump (3) rotated by the action of the pressurized oil returning from the lift cylinder (1) when a load is lowered so that the generated electricity charges the battery (5) to recover the potential energy of the load.
摘要翻译：电动工业车辆液压升降装置中的能量回收系统。利用该系统，可以通过液压提升装置进行能量回收操作，将其加工到其他液压致动器，能够防止工作油中的压力脉动的发生，能量回收效率提高。液压提升装置包括用于提升叉F的提升缸（1），通过从电池（5）供电而旋转的电动马达（4），用于向提升缸（1）供应加压油的液压泵），设置在加压供油路径（23）中的控制阀（14）和控制器（17）。控制器（17）控制控制阀（14）的打开和作为由液压泵（3）驱动的发电机起作用的电动机（4）的旋转速度，其通过从提升气缸（1），以使得发电对电池（5）充电以恢复负载的势能。

2. 发明授权

US07770696B2 Energy recovering system of hydraulic lift device for battery operated industrial trucks 有权
标题翻译：电动工业卡车液压升降装置能量回收系统
公开(公告)号：US07770696B2
公开(公告)日：2010-08-10
申请号：US11663352
申请日：2006-02-15
申请人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Fujio Eguchi , Toshiyuki Honda , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michio Akao
发明人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Fujio Eguchi , Toshiyuki Honda , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michio Akao
IPC分类号： B66F9/22 , F15B21/14 , F16D31/02
CPC分类号： F15B21/14 , B66F9/22 , F15B2211/3111 , F15B2211/88 , Y02P80/13
摘要： An energy recovering system of a hydraulic lift device for a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, and energy recovering efficiency is increased. A hydraulic motor (6) is disposed in a fluid path for recovering pressurized working fluid from a lift cylinder (1) via a control valve (10) to a working fluid reservoir tank (8) so that the hydraulic motor (6) is driven by the pressurized working fluid returning from the lift cylinder (1). The hydraulic motor (6) is connected to an electric motor (4) for driving a hydraulic pump (3), which supplies pressurized fluid to the lift cylinder (1), by means of a one-way clutch (7) which performs torque transmission only from the hydraulic motor (6) to the electric motor (4).
摘要翻译：一种用于电池操作的工业车辆的液压提升装置的能量回收系统。使用该系统，可以通过液压提升装置进行能量回收操作，而将工作油供给到其他液压致动器，并且能量回收效率提高。液压马达（6）设置在流体路径中，用于通过控制阀（10）从提升缸（1）回收加压工作流体到工作流体储存罐（8），使得液压马达（6）被驱动通过从提升缸（1）返回的加压工作流体。液压马达（6）连接到用于驱动液压泵（3）的电动马达（4），该液压泵通过执行扭矩的单向离合器（7）向提升缸（1）供应加压流体仅从液压马达（6）到电动马达（4）的传动。

3. 发明申请

US20070278048A1 Energy Recovering System of Hydraulic Lift Device for Battery Operated Industrial Trucks 有权
标题翻译：电动工业卡车液压升降装置能量回收系统
公开(公告)号：US20070278048A1
公开(公告)日：2007-12-06
申请号：US11663352
申请日：2006-02-15
申请人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Fujio Eguchi , Toshiyuki Honda , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michiro Akao
发明人： Kensuke Futahashi , Hiroshi Satou , Masataka Kawaguchi , Fujio Eguchi , Toshiyuki Honda , Keizo Ogino , Shingo Yuguchi , Kazuhito Kawashima , Michiro Akao
IPC分类号： B66F9/24
CPC分类号： F15B21/14 , B66F9/22 , F15B2211/3111 , F15B2211/88 , Y02P80/13
摘要： An energy recovering system of a hydraulic lift device for a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, and energy recovering efficiency is increased. A hydraulic motor (6) is disposed in a fluid path for recovering pressurized working fluid from a lift cylinder (1) via a control valve (10) to a working fluid reservoir tank (8) so that the hydraulic motor (6) is driven by the pressurized working fluid returning from the lift cylinder (1). The hydraulic motor (6) is connected to an electric motor (4) for driving a hydraulic pump (3), which supplies pressurized fluid to the lift cylinder (1), by means of a one-way clutch (7) which performs torque transmission only from the hydraulic motor (6) to the electric motor (4).
摘要翻译：一种用于电池操作的工业车辆的液压提升装置的能量回收系统。使用该系统，可以通过液压提升装置进行能量回收操作，而将工作油供给到其他液压致动器，并且能量回收效率提高。液压马达（6）设置在流体路径中，用于通过控制阀（10）从提升缸（1）回收加压工作流体到工作流体储存罐（8），使得液压马达（6）被驱动通过从提升缸（1）返回的加压工作流体。液压马达（6）连接到用于驱动液压泵（3）的电动马达（4），该液压泵通过执行扭矩的单向离合器（7）向提升缸（1）供应加压流体仅从液压马达（6）到电动马达（4）的传动。

4. 发明申请

US20080128214A1 Energy Recovering Method and System in Hydraulic Lift Device of Battery Operated Industrial Trucks 有权
标题翻译：电动工业卡车液压升降装置能量回收方法及系统
公开(公告)号：US20080128214A1
公开(公告)日：2008-06-05
申请号：US11663534
申请日：2006-02-13
申请人： Kensuke Tahashi , Hiroshi Satou , Masataka Kawaguchi , Tomohiro Akagi , Fujio Eguchi , Keizo Ogino , Shingo Yuguchi , Kazushi Kawashima , Michio Akao
发明人： Kensuke Tahashi , Hiroshi Satou , Masataka Kawaguchi , Tomohiro Akagi , Fujio Eguchi , Keizo Ogino , Shingo Yuguchi , Kazushi Kawashima , Michio Akao
IPC分类号： B66F9/20 , B66F9/22 , B66F9/24
CPC分类号： B66F9/24 , B66F9/22 , F15B21/14 , F15B2211/20515 , F15B2211/20561 , F15B2211/6313 , F15B2211/88 , Y02P80/13
摘要： An energy recovering system in a hydraulic lift device of a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, occurrence of pressure pulsation in the working oil can be prevented, and energy recovering efficiency is increased. The hydraulic lift device comprises a lift cylinder (1) for lifting a fork F, an electric motor (4) rotated by power supply from a battery (5), a hydraulic pump (3) for supplying pressurized oil to the lift cylinder (1), a control valve (14) disposed in a pressurized oil supply path (23), and a controller (17). The controller (17) controls the opening of the control valve (14) and rotation speed of the electric motor (4) which functions as an electric generator driven by the hydraulic pump (3) rotated by the action of the pressurized oil returning from the lift cylinder (1) when a load is lowered so that the generated electricity charges the battery (5) to recover the potential energy of the load.
摘要翻译：电动工业车辆液压升降装置中的能量回收系统。利用该系统，可以通过液压提升装置进行能量回收操作，将其加工到其他液压致动器，能够防止工作油中的压力脉动的发生，能量回收效率提高。液压提升装置包括用于提升叉F的提升缸（1），通过从电池（5）供电而旋转的电动马达（4），用于向提升缸（1）供应加压油的液压泵），设置在加压供油路径（23）中的控制阀（14）和控制器（17）。控制器（17）控制控制阀（14）的打开和作为由液压泵（3）驱动的发电机起作用的电动机（4）的旋转速度，其通过从提升气缸（1），以使得发电对电池（5）充电以恢复负载的势能。

5. 发明申请

US20090057065A1 Forklift and Method of Controlling Safety Against Overturning for Forklift 审中-公开
标题翻译：叉车控制铲车翻转安全的方法
公开(公告)号：US20090057065A1
公开(公告)日：2009-03-05
申请号：US12086884
申请日：2007-01-16
申请人： Tomohiro Akaki , Masataka Kawaguchi , Kensuke Futahashi , Fujio Eguchi , Shinjiro Murata
发明人： Tomohiro Akaki , Masataka Kawaguchi , Kensuke Futahashi , Fujio Eguchi , Shinjiro Murata
IPC分类号： B66F9/20
CPC分类号： B60T7/126 , B60W10/04 , B60W10/18 , B60W2300/121 , B66F17/003
摘要： A forklift which is capable of controlling overturning and a method of controlling safety against overturning for a forklift are provided. In a forklift having a controller (20) for controlling the traveling state of a vehicle, the controller (20) is characterized by estimating the traveling state at a predetermined time ahead and, when the vehicle velocity at that time exceeds a maximum allowable vehicle velocity before generating a likelihood of overturning, applying the brakes and, when a no-overturning state is achieved thereafter, releasing the brakes.
摘要翻译：提供了能够控制翻倒的叉车以及控制叉车倾倒安全的方法。在具有用于控制车辆的行驶状态的控制器（20）的叉车中，控制器（20）的特征在于，在前一预定时间估计行驶状态，并且当当时的车速超过最大允许车速在产生翻转的可能性之前，施加制动器，并且当其后实现无翻转状态时，释放制动器。

6. 发明申请

US20100006380A1 COMMERCIAL-VEHICLE BRAKING SYSTEM AND COMMERCIAL VEHICLE 审中-公开
标题翻译：商业车辆制动系统和商用车辆
公开(公告)号：US20100006380A1
公开(公告)日：2010-01-14
申请号：US12375384
申请日：2007-11-08
申请人： Kensuke Futahashi , Masataka Kawaguchi , Munenobu Uchida
发明人： Kensuke Futahashi , Masataka Kawaguchi , Munenobu Uchida
IPC分类号： B60T8/17
CPC分类号： B60W20/13 , B60K6/46 , B60L3/0046 , B60L3/0061 , B60L7/14 , B60L7/26 , B60L15/2009 , B60L50/61 , B60L58/12 , B60L58/15 , B60L2200/42 , B60L2210/40 , B60L2240/12 , B60L2240/423 , B60L2240/425 , B60L2250/26 , B60T1/10 , B60T13/586 , B60T2220/04 , B60T2270/604 , B60W10/08 , B60W10/184 , B60W20/00 , B60W2300/121 , B66F9/07509 , Y02T10/6217 , Y02T10/645 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7077 , Y02T10/7241 , Y02T10/7275
摘要： A commercial vehicle in which the amount of energy collected by regenerative braking is increased and a decrease in reliability is prevented is provided. The commercial-vehicle braking system includes: a brake operating member (9) that a driver operates; an operating-amount detecting section (11) that detects the operating amount of the brake operating member (9); a regenerating section (35) that brakes the rotation of wheels (33) by converting the rotation of the wheels (33) to electrical energy; a control unit (39) that controls the regenerating section (35) on the basis of an output of the operating-amount detecting section (11); a transfer section (17) that, when the operating amount is smaller than a predetermined value, blocks transfer of the operating amount and, when the operating amount is larger than the predetermined value, transfers an operating amount obtained by subtracting the predetermined value from the operating amount; and a braking section (45) that brakes the rotation of the wheels (33) by a frictional force on the basis of the operating amount transferred from the transfer section (17).
摘要翻译：提供了一种商业车辆，其中通过再生制动收集的能量的量增加并且防止了可靠性的降低。商用车辆制动系统包括：驾驶员操作的制动操作构件（9）; 操作量检测部（11），其检测制动操作部件（9）的操作量; 通过将车轮（33）的旋转转换为电能来制动车轮（33）的旋转的再生部（35）控制单元（39），其基于所述操作量检测部（11）的输出来控制所述再生部（35）。传送部（17），当所述操作量小于预定值时，阻止所述操作量的传送，并且当所述操作量大于所述预定值时，将通过从所述操作量减去所述预定值而获得的操作量营业额以及基于从传送部（17）传送的操作量，通过摩擦力来制动车轮（33）的旋转的制动部（45）。

7. 发明申请

US20110056755A1 HYBRID INDUSTRIAL VEHICLE 有权
标题翻译：混合工业车辆
公开(公告)号：US20110056755A1
公开(公告)日：2011-03-10
申请号：US12934234
申请日：2008-08-05
申请人： Kensuke Futahashi , Masataka Kawaguchi , Kiyomitsu Ogawa
发明人： Kensuke Futahashi , Masataka Kawaguchi , Kiyomitsu Ogawa
IPC分类号： B62D5/06 , B60K6/48
CPC分类号： B60W20/40 , B60K1/02 , B60K6/20 , B60K6/442 , B60K6/48 , B60L1/003 , B60L1/20 , B60L11/123 , B60L11/14 , B60L11/1861 , B60L2200/40 , B60L2240/24 , B60W10/02 , B60W10/08 , B60W10/30 , B60W20/00 , B60Y2200/15 , B62D5/064 , B62D5/065 , B62D5/07 , B66F9/20 , B66F9/22 , E02F9/2075 , E02F9/225 , E02F9/2292 , Y02P90/60 , Y02T10/6217 , Y02T10/6221 , Y02T10/6234 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7077
摘要： An object of the present invention is to provide a hybrid industrial vehicle which can perform steering operation and the like during idling stop, without using a complicated mechanism. To achieve the object, for example, the hybrid industrial vehicle configured to transmit power of a first electric motor (23) and power of an engine (21) to a drive wheel (34) through a first gear train (32) comprises: a second electric motor (24) actuated when supplied with electric power from a battery (22); a first hydraulic pump (26) supplying pressure oil to a cargo handling hydraulic system; a second gear train (28) interposed among the engine and the second electric motor and the first hydraulic pump and capable of mutual power transmission among the engine, the second electric motor and the first hydraulic pump; a second hydraulic pump (27) supplying pressure oil to a steering hydraulic system; and a third electric motor (25) actuated to drive the second hydraulic pump when supplied with electric power from the battery.
摘要翻译：本发明的目的是提供一种能够在怠速停止期间能够进行转向操作等的混合动力车辆，而不使用复杂的机构。为了实现该目的，例如，构造成通过第一齿轮系（32）将第一电动机（23）的动力和发动机（21）的动力传递到驱动轮（34）的混合动力工业车辆包括：当从电池（22）提供电力时第二电动机（24）被致动; 向货物处理液压系统供应压力油的第一液压泵（26）; 插在发动机和第二电动机之间的第二齿轮系（28）和第一液压泵，并且能够在发动机，第二电动机和第一液压泵之间相互动力传递; 第二液压泵（27），其向转向液压系统供应压力油; 以及第三电动机（25），当从所述电池供给电力时被致动以驱动所述第二液压泵。

8. 发明申请

US20090025990A1 Work Vehicle 有权
标题翻译：工作车辆
公开(公告)号：US20090025990A1
公开(公告)日：2009-01-29
申请号：US12224501
申请日：2007-05-16
申请人： Kensuke Futahashi , Yasutaka Fuke , Hideki Hashimoto , Masataka Kawaguchi , Kiyomitsu Ogawa , Hiroyuki Sugiura , Hiroyuki Kanazawa , Koichi Yamada
发明人： Kensuke Futahashi , Yasutaka Fuke , Hideki Hashimoto , Masataka Kawaguchi , Kiyomitsu Ogawa , Hiroyuki Sugiura , Hiroyuki Kanazawa , Koichi Yamada
IPC分类号： B60K6/26
CPC分类号： B60K6/383 , B60K6/12 , B60K6/485 , B60Y2200/41 , B66F9/07572 , E02F9/2075 , Y02T10/6208 , Y02T10/6226 , Y02T10/6282
摘要： An object is to provide a work vehicle whose drive portion can be downsized. An engine having an engine output shaft, an electric motor driven by a battery which is attached integrally to the engine output shaft so as to drive the engine output shaft, a traveling drive portion having a transmission connected to the engine output shaft and a traveling drive shaft which is rotated by the transmission and which moves the traveling wheels, a work drive portion selectively performing work by means of power from the engine output shaft, a generator charging the battery, a traveling regeneration portion transmitting regenerative energy of the traveling drive portion to the generator, a work regeneration portion transmitting regenerative energy of a fork drive portion to the generator, and a one-way clutch for traveling and a one-way clutch for work provided, respectively, to the traveling regeneration portion and the work regeneration portion, which suppress transmission of motive power from the generator, are included.
摘要翻译：目的在于提供一种其驱动部分能够小型化的作业车辆。具有发动机输出轴的发动机，由电动机驱动的电动机，其与发动机输出轴一体地附接以驱动发动机输出轴，具有连接到发动机输出轴的变速器的行驶驱动部和行驶驱动轴，其通过变速器旋转并使行进轮移动;工作驱动部，其通过来自发动机输出轴的动力选择性地进行作业;对发电机充电的发电机;将行驶驱动部的再生能传递到发电机，将发动机的叉驱动部的再生能量传递到发电机的工作再生部，以及用于行进的单向离合器和分别设置在行驶再生部和作业再生部上的作业用单向离合器，抑制来自发电机的动力的传递。

9. 发明授权

US08775026B2 Vehicle steering control device and method 有权
标题翻译：车辆转向控制装置及方法
公开(公告)号：US08775026B2
公开(公告)日：2014-07-08
申请号：US12988097
申请日：2009-04-09
申请人： Kensuke Futahashi , Masataka Kawaguchi , Yasunobu Igashima , Hiroyuki Iiyama , Ryota Adachi , Takaharu Hiroe
发明人： Kensuke Futahashi , Masataka Kawaguchi , Yasunobu Igashima , Hiroyuki Iiyama , Ryota Adachi , Takaharu Hiroe
IPC分类号： B62D6/00
CPC分类号： B62D6/008 , B66F9/07568
摘要： A steering control device obtains a command steering reactive force according to a wheel angle based on a wheel angle and table data representing the correlation between the wheel angle and the command steering reactive force, and which controls an electric-control brake to make the steering reactive force equal to the command steering reactive force. The steering control device: obtains a correction coefficient according to vehicle state amounts based on the vehicle state amounts other than the wheel angle, which are detected by vehicle state amount detecting means, and table data representing the correlation between the vehicle state amounts and the correction coefficients; corrects the table data by using the correction coefficients; obtains a command steering reactive force according to the wheel angle based on the table data and the wheel angle; and controls the electric-control brake to make the steering reactive force equal to the command steering reactive force.
摘要翻译：转向控制装置基于车轮角度获得根据车轮角度的指示转向反作用力和表示车轮角度与指令转向反作用力之间的相关性的表格数据，并且其控制电动制动器以使转向反作用力力等于指令转向反作用力。转向控制装置：根据车辆状态量检测装置检测出的车轮角度以外的车辆状态量，根据车辆状态量获得校正系数，表示车辆状态量与校正值之间的相关性的表格数据系数; 通过使用校正系数校正表数据; 根据车轮数据和车轮角度，根据车轮角度获得指令转向反作用力; 并控制电动制动器使转向反作用力等于指令转向反作用力。

10. 发明授权

US08167078B2 Work vehicle 有权
标题翻译：工作车辆
公开(公告)号：US08167078B2
公开(公告)日：2012-05-01
申请号：US12224501
申请日：2007-05-16
申请人： Kensuke Futahashi , Yasutaka Fuke , Hideki Hashimoto , Masataka Kawaguchi , Kiyomitsu Ogawa , Hiroyuki Sugiura , Hiroyuki Kanazawa , Koichi Yamada
发明人： Kensuke Futahashi , Yasutaka Fuke , Hideki Hashimoto , Masataka Kawaguchi , Kiyomitsu Ogawa , Hiroyuki Sugiura , Hiroyuki Kanazawa , Koichi Yamada
IPC分类号： B60K6/485 , B60K17/00
CPC分类号： B60K6/383 , B60K6/12 , B60K6/485 , B60Y2200/41 , B66F9/07572 , E02F9/2075 , Y02T10/6208 , Y02T10/6226 , Y02T10/6282
摘要： An object is to provide a work vehicle whose drive portion can be downsized. An engine having an engine output shaft, an electric motor driven by a battery which is attached integrally to the engine output shaft so as to drive the engine output shaft, a traveling drive portion having a transmission connected to the engine output shaft and a traveling drive shaft which is rotated by the transmission and which moves the traveling wheels, a work drive portion selectively performing work by means of power from the engine output shaft, a generator charging the battery, a traveling regeneration portion transmitting regenerative energy of the traveling drive portion to the generator, a work regeneration portion transmitting regenerative energy of a fork drive portion to the generator, and a one-way clutch for traveling and a one-way clutch for work provided, respectively, to the traveling regeneration portion and the work regeneration portion, which suppress transmission of motive power from the generator, are included.
摘要翻译：目的在于提供一种其驱动部分能够小型化的作业车辆。具有发动机输出轴的发动机，由电动机驱动的电动机，其与发动机输出轴一体地附接以驱动发动机输出轴，具有连接到发动机输出轴的变速器的行驶驱动部和行驶驱动轴，其通过变速器旋转并使行进轮移动;工作驱动部，其通过来自发动机输出轴的动力选择性地进行作业;对发电机充电的发电机;将行驶驱动部的再生能传递到发电机，将发动机的叉驱动部的再生能量传递到发电机的工作再生部，以及用于行进的单向离合器和分别设置在行驶再生部和作业再生部上的作业用单向离合器，抑制来自发电机的动力的传递。

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