-
公开(公告)号：US20160298315A1
公开(公告)日：2016-10-13
申请号：US14759122
申请日：2014-09-09
Applicant: KOMATSU LTD.
Inventor： Shunsuke MIYAMOTO , Hiroshi MONDEN , Yasunori OHKURA , Masao YOSHIZAWA , Yasuki KISHIMOTO
IPC: E02F9/20 , E02F9/02 , B60K6/365 , B60K6/445 , B60L11/14 , F16H61/688 , B60W10/08 , B60W10/10 , B60W20/00 , F16H3/44 , F16H3/72 , F16H61/02 , E02F9/22 , B60L15/20
CPC classification number: E02F9/2079 , B60K6/12 , B60K6/36 , B60K6/365 , B60K6/387 , B60K6/445 , B60K6/547 , B60K2006/381 , B60L11/005 , B60L11/123 , B60L11/14 , B60L15/20 , B60L2200/40 , B60L2210/40 , B60L2240/12 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2240/441 , B60L2240/443 , B60L2240/486 , B60L2240/507 , B60L2250/24 , B60L2250/26 , B60L2260/26 , B60W10/08 , B60W10/10 , B60W10/115 , B60W20/00 , B60W20/10 , B60W2300/17 , B60W2710/083 , B60W2710/1005 , E02F3/34 , E02F9/02 , E02F9/202 , E02F9/2075 , E02F9/22 , E02F9/2296 , F16H3/44 , F16H3/66 , F16H3/72 , F16H3/728 , F16H61/02 , F16H61/688 , F16H2037/104 , F16H2200/2007 , F16H2200/2035 , Y02T10/6208 , Y02T10/6217 , Y02T10/6239 , Y02T10/6282 , Y02T10/645 , Y02T10/7022 , Y02T10/7077 , Y02T10/7241 , Y02T10/7275
Abstract: A control unit embedded in a work vehicle includes a clutch controlling unit and a motor controlling unit. The clutch controlling unit is configured to disengage a first clutch in a condition that the first clutch is engaged and a second clutch is disengaged, when a first moving direction inputted through a forward/rearward movement switch operating device as an instruction of the operator and a second moving direction determined based on a vehicle speed detected by a vehicle speed detecting unit are different from each other, and in addition, when and the vehicle speed falls in a preliminarily set first range. The motor controlling unit is configured to control a motor to reduce a relative rotational speed of the second clutch after the first clutch is disengaged.
Abstract translation: 嵌入工作车辆中的控制单元包括离合器控制单元和马达控制单元。 离合器控制单元被构造成当通过作为操作者的指示的前后左右移动开关操作装置输入的第一移动方向时，在第一离合器接合的状态下和第二离合器脱离的状态下使第一离合器脱离， 基于由车速检测单元检测到的车速确定的第二移动方向彼此不同，此外，当车速落在预先设定的第一范围内时。 电动机控制单元被配置为在第一离合器分离之后控制电动机以减小第二离合器的相对转速。
-
公开(公告)号：US20160237651A1
公开(公告)日：2016-08-18
申请号：US15026675
申请日：2014-12-17
Applicant: KOMATSU LTD.
Inventor： Shunsuke MIYAMOTO , Masao YOSHIZAWA , Yasuo FUJIWARA
CPC classification number: E02F9/2079 , B60K6/365 , B60K6/387 , B60K6/445 , B60K2006/381 , B60W10/06 , B60W10/08 , B60W10/10 , B60W20/00 , B60W20/30 , B60W30/182 , B60W2300/17 , B60W2510/0638 , B60W2520/10 , B60W2710/0644 , B60Y2200/415 , B60Y2300/70 , B60Y2400/73 , E02F3/283 , E02F9/2004 , E02F9/202 , E02F9/2066 , E02F9/2075 , E02F9/2292 , E02F9/2296 , F16H3/44 , F16H3/728 , F16H59/18 , F16H2037/101 , F16H2061/6601 , F16H2061/6602 , F16H2200/2007 , F16H2200/2041 , Y02T10/6239 , Y10S903/903
Abstract: A power transmission device of a work vehicle includes a mode switching mechanism configured to switch a drive power transmission route to one mode of at least two modes. A second mode is used in a range with the higher transmission speed ratio than a first mode. A controller increases the rotation speed of the engine from a first rotation speed for the engine corresponding to a first vehicle speed when the vehicle speed is within a range greater than the first vehicle speed where the transmission speed ratio reaches a predetermined first value that is less than the maximum value of the transmission speed ratio obtainable by the power transmission device. When the transmission route is in the second mode, the first value is greater than a second value of the transmission speed ratio at which the rotation speeds of the first motor and the second motor are equal.
Abstract translation: 工作车辆的动力传递装置包括模式切换机构，其被配置为将驱动力传递路线切换到至少两种模式的一种模式。 在比第一模式更高的传动速度比的范围内使用第二模式。 当车速在大于第一车速的范围内时，控制器将发动机的转速从对应于第一车速的发动机的第一转速增加到传动速度比达到预定第一值的第一车速以下 超过由动力传递装置获得的传动速度比的最大值。 当传输路径处于第二模式时，第一值大于第一电动机和第二电动机的转速相等的变速比的第二值。
-
公开(公告)号：US20150361636A1
公开(公告)日：2015-12-17
申请号：US14763869
申请日：2014-12-09
Applicant: KOMATSU LTD.
Inventor： Masao YOSHIZAWA , Shunsuke MIYAMOTO , Yasuki KISHIMOTO
CPC classification number: E02F3/422 , B60K6/387 , B60K6/445 , B60K6/54 , B60W10/08 , B60W20/00 , B60W20/10 , B60W2300/17 , B60W2540/10 , E02F3/34 , E02F9/2075 , E02F9/2079 , E02F9/2253 , E02F9/2292 , E02F9/2296 , Y02T10/6239 , Y10S903/902
Abstract: A control unit of a work vehicle has a transmission requirement determination unit, a command-torque determination unit, and a tractive force limiting unit. The transmission requirement determination unit determines a required tractive force on the basis of an operating amount of an accelerator operating member. The required tractive force is a target tractive force of a travel device. The command-torque determination unit determines an output torque of the electric motor so that the tractive force of the vehicle reaches the required tractive force. The tractive force limiting unit reduces the required tractive force to a value less than a value corresponding to the operating amount of the accelerator operating member when the vehicle is excavating.
Abstract translation: 作业车辆的控制单元具有变速器要求判定单元，指令转矩确定单元和牵引力限制单元。 发送需求确定单元基于加速器操作构件的操作量来确定所需的牵引力。 所需的牵引力是行驶装置的目标牵引力。 指令转矩确定单元确定电动机的输出转矩，使得车辆的牵引力达到所需的牵引力。 牵引力限制单元将所需的牵引力减小到小于在车辆正在挖掘时对应于加速器操作构件的操作量的值。
-
公开(公告)号：US20150337877A1
公开(公告)日：2015-11-26
申请号：US14759039
申请日：2014-09-03
Applicant: KOMATSU LTD.
Inventor： Shunsuke MIYAMOTO , Kenichi YAMADA , Yasunori OHKURA , Yasuki Kishimoto , Masao YOSHIZAWA
CPC classification number: F15B21/001 , B60K6/12 , B60K6/365 , B60K6/387 , B60K6/445 , B60K6/547 , B60K2006/381 , B60L7/18 , B60L11/14 , B60L11/18 , B60L11/1861 , B60L2200/40 , B60L2240/12 , B60L2240/421 , B60L2260/26 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/115 , B60W10/26 , B60W20/00 , B60W20/10 , B60W30/18045 , B60W2300/17 , B60W2710/0666 , B60W2710/083 , E02F9/202 , E02F9/2079 , F15B1/02 , F15B2201/00 , F16H3/66 , F16H3/72 , F16H3/728 , F16H2037/101 , F16H2200/2007 , F16H2200/2041 , Y02T10/6208 , Y02T10/6239 , Y02T10/6282 , Y02T10/6286 , Y02T10/642 , Y02T10/7005 , Y02T10/7044 , Y02T10/705
Abstract: The target input shaft torque determination unit determines a target input shaft torque. The target output shaft torque determination unit determines a target output shaft torque so that a deceleration force for decelerating the vehicle is generated on the output shaft of the power transmission device in a state in which connection and disconnection states of the forward travel clutch and the reverse travel clutch are maintained at the state before the start of the shuttle action when the shuttle action is started. The torque-balance information is stored in a storage unit and defines a relationship between the target input shaft torque and the target output shaft torque to achieve a balance of the torques of a power transmission device. The command torque determination unit uses the torque-balance information to determine torque commands for the motor from the target input shaft torque and the target output shaft torque.
Abstract translation: 目标输入轴转矩确定单元确定目标输入轴转矩。 目标输出轴转矩确定单元确定目标输出轴扭矩，使得在前进行驶离合器和倒车的连接和断开状态的状态下，在动力传递装置的输出轴上产生用于减速的减速力 行驶离合器保持在穿梭动作开始前的状态。 转矩平衡信息存储在存储单元中，并且定义目标输入轴转矩和目标输出轴转矩之间的关系，以实现动力传递装置的转矩的平衡。 指令转矩确定单元使用转矩平衡信息，从目标输入轴转矩和目标输出轴转矩来确定电动机的转矩指令。
-
Patent Agency Ranking
公开(公告)号：US20180320339A1
公开(公告)日：2018-11-08
申请号：US16031253
申请日：2018-07-10
Applicant: KOMATSU LTD.
Inventor： Shunsuke MIYAMOTO , Masao YOSHIZAWA , Yasuo FUJIWARA
IPC: E02F9/20 , B60K6/387 , B60K6/445 , F16H3/44 , B60W10/06 , B60W10/08 , B60W10/10 , B60W20/30 , B60W30/182 , F16H3/72 , F16H59/18 , B60W20/00 , B60K6/38 , E02F3/28 , E02F9/22 , F16H37/10 , F16H61/66 , B60K6/365
CPC classification number: E02F9/2079 , B60K6/365 , B60K6/387 , B60K6/445 , B60K2006/381 , B60W10/06 , B60W10/08 , B60W10/10 , B60W20/00 , B60W20/30 , B60W30/182 , B60W2300/17 , B60W2510/0638 , B60W2520/10 , B60W2710/0644 , B60Y2200/415 , B60Y2300/70 , B60Y2400/73 , E02F3/283 , E02F9/2004 , E02F9/202 , E02F9/2066 , E02F9/2075 , E02F9/2292 , E02F9/2296 , F16H3/44 , F16H3/728 , F16H59/18 , F16H2037/101 , F16H2061/6601 , F16H2061/6602 , F16H2200/2007 , F16H2200/2041 , Y02T10/6239 , Y10S903/903
Abstract: A power transmission device of a work vehicle includes a motor control unit that controls first and second motors to keep the transmission speed ratio at a maximum value when a vehicle speed is greater than a second vehicle speed where the transmission speed ratio reaches the maximum value obtainable by the power transmission device, and less than a third vehicle speed where a rotation speed of the second motor reaches a predetermined limit value. A controller increases a rotation speed of an engine from a second rotation speed of the engine when the vehicle speed is greater than the second vehicle speed and less than a third vehicle speed, and increases the rotation speed of the engine from a third rotation speed of the engine when the vehicle speed is greater than the third vehicle speed.
-
公开(公告)号：US20170145659A1
公开(公告)日：2017-05-25
申请号：US15415999
申请日：2017-01-26
Applicant: KOMATSU LTD.
Inventor： Masao YOSHIZAWA , Shunsuke MIYAMOTO , Kenichi YAMADA
IPC: E02F9/20 , E02F3/43 , E02F9/22 , B60W30/188 , B60K6/445 , F04B49/12 , B60W10/30 , E02F3/42 , F15B11/10 , F04B17/05 , F04B49/20 , E02F3/34 , B60W10/06
CPC classification number: B60W30/1888 , B60K6/445 , B60K25/02 , B60K2025/026 , B60W10/06 , B60W10/30 , B60W30/1886 , B60W2300/17 , B60Y2200/415 , E02F3/34 , E02F3/422 , E02F3/431 , E02F9/202 , E02F9/2029 , E02F9/2066 , E02F9/2075 , E02F9/2079 , E02F9/2246 , E02F9/2253 , E02F9/2289 , E02F9/2292 , E02F9/2296 , F04B17/05 , F04B49/06 , F04B49/12 , F04B49/20 , F15B11/10 , F15B2211/426 , F15B2211/605 , F15B2211/6651 , F15B2211/6652 , F15B2211/7052 , F15B2211/75 , Y02T10/6239 , Y10S903/903
Abstract: A work vehicle is equipped with an engine, a hydraulic pump, a work implement, a work implement operating member, a work implement control valve, a capacity control device, a travel device, an accelerator operating member, and a control unit. The hydraulic pump is driven by the engine. The work implement is driven by hydraulic fluid discharged from the hydraulic pump. The work implement control valve controls the hydraulic pressure supplied to the work implement. The capacity control device controls a differential pressure between a discharge pressure of the hydraulic pump and an outlet hydraulic pressure of the work implement control valve. The travel device is driven by the engine. The accelerator operating member changes the engine rotation speed. The control unit causes the speed of the work implement to increase by causing the engine rotation speed to increase when an operation amount of the work implement operating member is increased.
-
公开(公告)号：US20160145836A1
公开(公告)日：2016-05-26
申请号：US14889200
申请日：2014-12-09
Applicant: KOMATSU LTD.
Inventor： Kenichi YAMADA , Masao YOSHIZAWA
CPC classification number: E02F9/2246 , B60K6/387 , B60K6/445 , B60K2006/381 , B60W10/06 , B60W10/30 , B60W30/1886 , E02F3/283 , E02F9/202 , E02F9/2066 , E02F9/2235 , E02F9/2253 , E02F9/2289 , E02F9/2292 , E02F9/2296 , F02D29/00 , F02D29/04 , F02D29/06 , F15B11/02 , F15B2211/20523 , F15B2211/20546 , F15B2211/50518 , F15B2211/5151 , F15B2211/6651 , F15B2211/6652 , F15B2211/6654 , Y02T10/6239
Abstract: A transmission requirement setting unit sets a required traction force in a work vehicle on the basis of an accelerator operation amount. A work implement requirement setting unit sets a required flow rate on the basis of a work implement operation amount. An engine requirement setting unit determines the horsepower required from the engine on the basis of the horsepower required by the transmission set on the basis of the required traction force, and the horsepower required by the work implement set on the basis of the required flow rate. A required throttle setting unit determines a commanded throttle value sent to the engine on the basis of the horsepower required from the engine. A pump displacement setting unit sets a target displacement for the hydraulic pump on the basis of the required flow rate. The work implement requirement setting unit sets an upper limit for the required flow rate to a prescribed flow rate limit value when the discharge pressure of the hydraulic pump is at or above a prescribed pressure threshold.
Abstract translation: 变速器要求设定单元基于加速器操作量来设定作业车辆中的所需牵引力。 工作实施要求设定部基于工作作业量设定所需的流量。 发动机要求设定单元根据所需的牵引力，根据所需的牵引力，基于所述变速器组所需的马力，根据所需的流量，决定所述发动机所需的马力，以及所述作业机构所要求的马力。 所需的节气门设定单元基于从发动机所需的马力确定发送到发动机的指令油门值。 泵排量设定单元根据要求的流量设定液压泵的目标排量。 当液压泵的排出压力在规定的压力阈值以上时，作业要求设定单元将所需流量的上限设定为规定的流量极限值。
-
公开(公告)号：US20160121900A1
公开(公告)日：2016-05-05
申请号：US14892647
申请日：2014-12-16
Applicant: KOMATSU LTD.
Inventor： Masao YOSHIZAWA , Shunsuke MIYAMOTO , Kenichi YAMADA
IPC: B60W30/188 , B60W10/06 , B60W10/30 , B60K25/02
CPC classification number: B60W30/1888 , B60K6/445 , B60K25/02 , B60K2025/026 , B60W10/06 , B60W10/30 , B60W30/1886 , B60W2300/17 , B60Y2200/415 , E02F3/34 , E02F3/422 , E02F3/431 , E02F9/202 , E02F9/2029 , E02F9/2066 , E02F9/2075 , E02F9/2079 , E02F9/2246 , E02F9/2253 , E02F9/2289 , E02F9/2292 , E02F9/2296 , F04B17/05 , F04B49/06 , F04B49/12 , F04B49/20 , F15B11/10 , F15B2211/426 , F15B2211/605 , F15B2211/6651 , F15B2211/6652 , F15B2211/7052 , F15B2211/75 , Y02T10/6239 , Y10S903/903
Abstract: A work vehicle is equipped with an engine, a hydraulic pump, a work implement, a travel device, an accelerator operating member, a work implement operating member, and a control unit. The hydraulic pump is driven by the engine. The work implement is driven by hydraulic fluid discharged from the hydraulic pump. The travel device is driven by the engine. The accelerator operating member changes the engine rotation speed. The work implement operating member operates the work implement. The control unit causes the speed of the work implement to increase by causing the engine rotation speed to increase when an operation amount of the work implement operating member is increased.
Abstract translation: 工作车辆配备有发动机，液压泵，作业工具，行驶装置，加速器操作构件，作业工具操作构件和控制单元。 液压泵由发动机驱动。 工作装置由液压泵排出的液压油驱动。 旅行装置由发动机驱动。 加速器操作构件改变发动机转速。 工作实施操作人员操作工作工具。 当工作装置操作构件的操作量增加时，通过使发动机转速增加，控制单元使工件的速度增加。
-
公开(公告)号：US20150367851A1
公开(公告)日：2015-12-24
申请号：US14762514
申请日：2014-11-25
Applicant: KOMATSU LTD.
Inventor： Masao YOSHIZAWA , Yasuo FUJIWARA , Shunsuke MIYAMOTO
CPC classification number: B60W30/18 , B60K6/387 , B60K6/445 , B60K6/54 , B60K2006/381 , B60W10/08 , B60W10/10 , B60W20/00 , B60W30/18045 , B60W2510/0604 , B60W2510/106 , B60W2520/00 , B60W2520/06 , B60W2540/10 , B60W2540/16 , B60W2710/081 , B60W2710/083 , B60Y2200/415 , E02F9/202 , E02F9/2037 , E02F9/2058 , E02F9/2079 , E02F9/2253 , E02F9/2292 , E02F9/2296 , F16H61/02 , F16H61/66 , F16H63/50 , F16H2061/166 , F16H2061/205 , Y02T10/6239
Abstract: A required traction force determining part is configured to determine a required traction force corresponding to an output rotational speed based on a required traction force characteristic. A command torque determining part is configured to determine a command torque to be transmitted to a motor to obtain the required traction force. An opposite movement determining part is configured to determine that a vehicle is oppositely moving when a vehicle speed becomes a predetermined speed threshold or greater in a direction opposite to a moving direction corresponding to a position of a forward/rearward movement operating member. A traction force assisting part is configured to perform a traction force assisting control when it is determined that the vehicle is oppositely moving. The traction force assisting part is configured to increase the required traction force in the moving direction corresponding to the position of the forward/rearward movement operating member.
Abstract translation: 所需的牵引力确定部件被配置为基于所需的牵引力特性来确定对应于输出转速的所需牵引力。 指令转矩确定部被配置为确定要发送到电动机以获得所需牵引力的指令转矩。 相对移动确定部被配置为当车速在与向前/向后运动操作构件的位置相对应的移动方向相反的方向上变为预定速度阈值或更大时，确定车辆相反移动。 牵引力辅助部被配置为当确定车辆相反移动时执行牵引力辅助控制。 牵引力辅助部被配置为增加对应于前/后移动操作构件的位置的移动方向上的所需牵引力。
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.022 seconds)
