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公开(公告)号：US20140303879A1
公开(公告)日：2014-10-09
申请号：US14356784
申请日：2012-11-15
发明人： Koji Hyodo , Masaki Yoshikawa , Isamu Aoki , Tetsuji Tanaka
IPC分类号： F02D29/02
CPC分类号： F02D29/02 , E02F3/3411 , E02F9/202 , E02F9/2066 , E02F9/2083 , E02F9/2246 , E02F9/2296 , F02D17/04 , F02D29/04 , F02N11/0822 , F02N11/084 , F02N2200/0802 , F02N2200/0803 , F02N2200/0808 , F02N2200/101 , Y02T10/48
摘要： An engine control device for a work vehicle decides that an idling stop condition is established when the front device is in the unengaged slate, the steering device is in the engaged state, the accelerator pedal is in the non-operation state, either the transmission is in the neutral state or the parking brake device is in the engaged state or the transmission is in the neutral state and also the parking brake device is in the engaged state, and the service brake device is in the unengaged state, and stops an engine when it is decided that it passes the predetermined length of time since it was decided that the idling stop condition was established.
摘要翻译： 工作车辆的发动机控制装置判定当前部装置处于未接合的板岩中时，转向装置处于接合状态，加速踏板处于非操作状态时，建立怠速停止状态， 在中立状态或驻车制动装置处于接合状态或变速器处于中立状态，并且驻车制动装置处于接合状态，并且行车制动装置处于未起动状态，并且停止发动机时 由于判断为怠速停止条件成立，所以判断为经过了规定的时间。
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公开(公告)号：US11293169B2
公开(公告)日：2022-04-05
申请号：US16493410
申请日：2018-09-19
发明人： Tomohiro Ueda , Masaki Yoshikawa , Takashi Ishii , Takayoshi Murahashi , Masakazu Kaitou , Koji Shimazaki , Isamu Aoki
摘要： In an unloaded state of the bucket (3), a control device (30) calculates an unloaded moment (M0) around a hinge pin G from the pressure of the lift arm cylinder that is detected by pressure sensors (15a, 15b), the angle of a lift arm that is detected by a lift arm angle sensor 14, and dimension data extracted from a vehicle body information database (35). In a loaded state of the bucket, the control device calculates a loaded moment (M1) around the hinge pin G from the pressure of the lift arm cylinder, the angle of the lift arm, and the dimension data extracted from the vehicle body information database. The control device calculates the load (W) on the bucket by dividing the difference between the unloaded moment and the loaded moment by the horizontal distance (Lw) between the hinge pin and the gravity center position of the bucket.
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公开(公告)号：US12012725B2
公开(公告)日：2024-06-18
申请号：US17273844
申请日：2018-09-28
发明人： Koji Hyodo , Masaki Yoshikawa , Tetsuji Tanaka , Masaki Nukii
CPC分类号： E02F9/2246 , E02F3/3417 , E02F3/422 , E02F3/431 , E02F9/2289
摘要： Provided is a loading work vehicle capable of improving work efficiency even when working on a slippery road surface. An HST-traveling-drive wheel loader 1 comprises a step-on amount detection sensor 610, a discharge pressure detection sensor 75, a mode switch device 60, and a controller 5. The controller 5 is configured to: determine whether a limit mode is selected by the mode switch device 60; specify an operation state of the wheel loader 1 when determining that the limit mode is selected; limit maximum traction force to a first set value which is set based on a static friction coefficient μ and vehicle weight when specifying that a bucket 23 is pushed into a natural ground 100; and increase the maximum traction force from the first set value when specifying that excavation of the natural ground 100 is started.
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公开(公告)号：USD859448S1
公开(公告)日：2019-09-10
申请号：US29638648
申请日：2018-02-28
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公开(公告)号：US09383002B2
公开(公告)日：2016-07-05
申请号：US14427837
申请日：2013-10-11
发明人： Tetsuji Tanaka , Masaki Yoshikawa , Nobuyuki Hidaka , Isamu Aoki , Keigo Kikuchi
CPC分类号： F16H59/044 , B60K20/02 , B60Y2200/411 , B60Y2200/415 , F16H59/02 , F16H59/0204
摘要： To provide a travel control device for a working vehicle, including a speed change lever that is applicable even when a transmission in which speed stages are set to be larger by one stage is applied, the travel control device comprises a switching device (41) that switches speed changed by a transmission (3) either manually or automatically, a speed stage selecting device (30b) that selects a speed stage out of a plurality of speed stages of the transmission (3), and a first speed selecting device (40) that changes the speed stage manually down to a first speed separately from the speed stage selecting device (30b), regardless of a switching state of the switching device (41), wherein the speed stage selecting device (30b) selects the speed stages including a second speed or more but excluding the first speed, and a control device (10) is further provided, which controls the transmission (3) based on instructions sent from the switching device (41), the speed stage selecting device (30b), and the first speed selecting device (40).
摘要翻译： 为了提供一种用于作业车辆的行驶控制装置，包括即使在速度级被设定为大一级的变速器的情况下也适用的变速杆，行驶控制装置包括切换装置， 手动或自动地通过变速器（3）切换的转速，从变速器（3）的多个速度级中选择速度级的速度级选择装置（30b）以及第一速度选择装置（40） 其与速度级选择装置（30b）分开地将速度级手动地降低到第一速度，而与切换装置（41）的切换状态无关，其中速度级选择装置（30b）选择包括一个 第二速度以上但不包括第一速度，并且还提供控制装置（10），其根据从开关装置（41），速度级选择装置（3）发送的指令来控制发送（3） 0b）和第一速度选择装置（40）。
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公开(公告)号：US20150226316A1
公开(公告)日：2015-08-13
申请号：US14427837
申请日：2013-10-11
发明人： Tetsuji Tanaka , Masaki Yoshikawa , Nobuyuki Hidaka , Isamu Aoki , Keigo Kikuchi
CPC分类号： F16H59/044 , B60K20/02 , B60Y2200/411 , B60Y2200/415 , F16H59/02 , F16H59/0204
摘要： To provide a travel control device for a working vehicle, including a speed change lever that is applicable even when a transmission in which speed stages are set to be larger by one stage is applied, the travel control device comprises a switching device (41) that switches speed changed by a transmission (3) either manually or automatically, a speed stage selecting device (30b) that selects a speed stage out of a plurality of speed stages of the transmission (3), and a first speed selecting device (40) that changes the speed stage manually down to a first speed separately from the speed stage selecting device (30b), regardless of a switching state of the switching device (41), wherein the speed stage selecting device (30b) selects the speed stages including a second speed or more but excluding the first speed, and a control device (10) is further provided, which controls the transmission (3) based on instructions sent from the switching device (41), the speed stage selecting device (30b), and the first speed selecting device (40).
摘要翻译： 为了提供一种用于作业车辆的行驶控制装置，包括即使在速度级被设定为大一级的变速器的情况下也适用的变速杆，行驶控制装置包括切换装置， 手动或自动地通过变速器（3）切换的转速，从变速器（3）的多个速度级中选择速度级的速度级选择装置（30b）以及第一速度选择装置（40） 其与速度级选择装置（30b）分开地将速度级手动地降低到第一速度，而与切换装置（41）的切换状态无关，其中速度级选择装置（30b）选择包括一个 第二速度以上但不包括第一速度，并且还提供控制装置（10），其根据从开关装置（41），速度级选择装置（3）发送的指令来控制发送（3） 0b）和第一速度选择装置（40）。
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