公开(公告)号：US20150176252A1

公开(公告)日：2015-06-25

申请号：US14577489

申请日：2014-12-19

Applicant: DOOSAN INFRACORE CO., LTD.

Inventor： Dong Mok KIM ,  Lee Hyoung CHO

IPC: E02F9/22 ,  G05D16/20 ,  G05D16/04 ,  G05D27/02 ,  G05D17/02

CPC classification number: E02F9/2246 ,  B60W10/30 ,  B60W30/1888 ,  B60W2710/0666 ,  E02F9/2066 ,  E02F9/2235 ,  F02D29/04 ,  G05D16/04 ,  G05D16/20 ,  G05D17/02 ,  G05D27/02

Abstract: The present disclosure relates to a system and method of controlling a vehicle of construction equipment, which calculate a target engine torque from compensation torque information using torque information generated in a hydraulic pump and an engine speed error and transmit the calculated target engine torque, thereby more stably performing engine control while responding to a rapid load variation of the hydraulic pump.

Abstract translation: 本公开涉及一种控制建筑设备车辆的系统和方法，该系统和方法使用在液压泵中产生的扭矩信息和发动机转速误差来计算来自补偿转矩信息的目标发动机转矩，并且传输计算出的目标发动机扭矩，从而更多 稳定地执行发动机控制，同时响应液压泵的快速负载变化。

公开(公告)号：US09010088B2

公开(公告)日：2015-04-21

申请号：US13819549

申请日：2011-08-24

Applicant: Kouji Ishikawa ,  Hidetoshi Satake ,  Shinji Nishikawa ,  Takatoshi Ooki

Inventor： Kouji Ishikawa ,  Hidetoshi Satake ,  Shinji Nishikawa ,  Takatoshi Ooki

IPC: F01N3/00 ,  F01N9/00 ,  B60W10/06 ,  B60W10/08 ,  B60W20/00 ,  B60W10/30 ,  F02D41/02

CPC classification number: B60W20/15 ,  B60W10/06 ,  B60W10/08 ,  B60W10/30 ,  B60W20/00 ,  B60W20/16 ,  B60W2300/17 ,  B60W2710/0694 ,  B60W2710/083 ,  B60W2710/1088 ,  B60Y2300/476 ,  E02F9/2066 ,  E02F9/2095 ,  E02F9/2235 ,  F01N9/002 ,  F01N2900/10 ,  F01N2900/1606 ,  F02D41/021 ,  F02D41/029 ,  F02D2041/026 ,  F02D2200/0812 ,  Y02T10/47 ,  Y02T10/54 ,  Y02T10/6286 ,  Y10S903/903

Abstract: A load application means, which applies a load to an engine such that a temperature of exhaust gas is raised to a temperature required to burn particulate matter, is comprised of an electric load application means for applying the load to the engine to raise the temperature of the exhaust gas by operating an electric assist motor to generate electric power and a hydraulic load application means for applying the load to the engine to raise the temperature of the exhaust gas by increasing a delivery pressure of a variable displacement hydraulic pump, and a selection control unit is provided for performing control processing to selectively actuate the electric load application means and/or the hydraulic load application means.

Abstract translation: 一种负载施加装置，其将负载施加到发动机，使得废气的温度升高到燃烧颗粒物质所需的温度，由电负载施加装置构成，用于将负载施加到发动机以提高发动机的温度 通过操作电动辅助电动机来产生电力的废气和用于通过增加可变排量液压泵的输送压力而将负载施加到发动机以提高排气温度的液压负载施加装置，以及选择控制 单元被提供用于执行控制处理以选择性地致动电负载施加装置和/或液压负载施加装置。

公开(公告)号：US20150081165A1

公开(公告)日：2015-03-19

申请号：US14385834

申请日：2012-11-27

Applicant: KOMATSU LTD.

Inventor： Koichi Yamashita ,  Masaaki Okamoto

IPC: E02F9/26

CPC classification number: E02F9/26 ,  E02F9/2066 ,  E02F9/2095 ,  E02F9/2235 ,  E02F9/2285 ,  E02F9/2296 ,  E02F9/267 ,  F01N3/023 ,  F01N9/002 ,  F01N2430/00 ,  F01N2590/08 ,  F02D29/00 ,  F02D29/02 ,  F02D29/04 ,  F02D41/028 ,  F02D41/029 ,  F02D2041/026 ,  F02D2041/228 ,  Y02T10/47

Abstract: A construction machine provided with an exhaust gas purifying device for an internal combustion engine includes an energy-wasting operation judging unit that judges whether or not an operation of the construction machine is an energy-wasting operation, a judgment result notifier that notifies a judgment result of the energy-wasting operation judging unit to an outside, a regeneration treatment judging unit that judges whether or not a regeneration treatment of the exhaust gas purifying device is to be conducted, and a notification restricting unit that restricts the judgment result notifier from notifying the judgment result of the energy-wasting operation judging unit when the regeneration treatment judging unit judges that the regeneration treatment of the exhaust gas purifying device is to be conducted.

Abstract translation: 设置有用于内燃机的废气净化装置的建筑机械包括能量消耗运算判断单元，其判断施工机械的运转是否为能量消耗运转，通知判断结果的判定结果通知 的能量消耗运算判定部的外部的再生处理判断部，判定是否进行废气净化装置的再生处理的再生处理判断部，以及限制判定结果通知部通知 当再生处理判断单元判断要进行废气净化装置的再生处理时，能量消耗运算判断单元的判断结果。

公开(公告)号：US20140303879A1

公开(公告)日：2014-10-09

申请号：US14356784

申请日：2012-11-15

Applicant: Hitachi Construction Machinery Co., Ltd.

Inventor： Koji Hyodo ,  Masaki Yoshikawa ,  Isamu Aoki ,  Tetsuji Tanaka

IPC: F02D29/02

CPC classification number: 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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20140230785A1

公开(公告)日：2014-08-21

申请号：US13993879

申请日：2012-12-20

Applicant: Tadashi Kawaguchi ,  Kentaro Murakami

Inventor： Tadashi Kawaguchi ,  Kentaro Murakami

IPC: F02D11/06

CPC classification number: F02D11/06 ,  B60P1/162 ,  E02F9/2066 ,  F02D29/04

Abstract: An engine control apparatus for controlling an engine which drives a hydraulic pump to discharge operation oil, the engine control apparatus includes: a pump driving power limit unit configured to limit pump driving power, which is power used to drive the hydraulic pump, based on pressure of the operation oil discharged by the hydraulic pump when in a state in which a part of the operation oil discharged by the hydraulic pump is released because pressure of the operation oil discharged by the hydraulic pump has become equal to or higher than preset relief pressure; and an engine output control unit configured to control output of the engine so that target speed, which is speed of the engine set as a target, becomes equal to or higher than a value of a point of time when limiting of the pump driving power is started.

Abstract translation: 一种用于控制驱动液压泵以排放操作油的发动机的发动机控制装置，所述发动机控制装置包括：泵驱动功率限制单元，其被构造为基于压力限制作为用于驱动所述液压泵的动力的泵驱动功率 当由液压泵排出的操作油的压力等于或高于设定的溢流压力时，在由液压泵排出的一部分操作油被释放的状态下由液压泵排出的操作油的操作油的排出量; 以及发动机输出控制单元，被配置为控制发动机的输出，使得作为目标的发动机的速度的目标速度变得等于或高于限制泵驱动功率的时间点的值 开始了

公开(公告)号：US08720629B2

公开(公告)日：2014-05-13

申请号：US13518743

申请日：2010-12-22

Applicant: Won Sun Sohn ,  Duck Woo Park ,  Jae Seok Bang

Inventor： Won Sun Sohn ,  Duck Woo Park ,  Jae Seok Bang

IPC: B60K31/00

CPC classification number: E02F9/2235 ,  E02F9/2066 ,  E02F9/2246 ,  E02F9/2296 ,  F02D29/04 ,  F15B2211/20523 ,  F15B2211/26 ,  F15B2211/6309 ,  F15B2211/633

Abstract: The present disclosure provides a power control apparatus of a construction machine, including: an engine connected to a hydraulic pump to drive the hydraulic pump; and a controller for calculating an engine load ratio defined as a ratio of a load torque of the engine for an engine maximum torque calculated from an input engine target RPM, and calculating an engine RPM command value according to the engine load ratio such that the engine is driven at the target RPM to output the calculated engine load ratio and engine RPM command value to the engine.

Abstract translation: 本公开提供了一种建筑机械的动力控制装置，包括：连接到液压泵以驱动液压泵的发动机; 以及控制器，用于计算发动机负荷比，其被定义为根据从输入的发动机目标RPM计算的用于发动机最大扭矩的发动机的负载转矩的比率，并且根据发动机负载比计算发动机RPM指令值，使得发动机 以目标RPM驱动，将计算的发动机负载率和发动机RPM命令值输出到发动机。

公开(公告)号：US20130325268A1

公开(公告)日：2013-12-05

申请号：US13985118

申请日：2012-01-05

Applicant: Shinji Ishihara ,  Shinya Imura ,  Masatoshi Hoshino ,  Kazuo Fujishima

Inventor： Shinji Ishihara ,  Shinya Imura ,  Masatoshi Hoshino ,  Kazuo Fujishima

IPC: E02F9/22

CPC classification number: E02F9/22 ,  E02F9/2066 ,  E02F9/2075 ,  E02F9/2235 ,  E02F9/2246

Abstract: The present invention includes a target rotation speed setup section (17) for setting a target rotation speed of an engine (1); load detection means (21) for detecting a load on a hydraulic pump (3); an assist output computation section (19) for calculating an assist output to be generated by a motor generator in accordance with a rotation speed deviation ΔN, which is the difference between an actual rotation speed and the target rotation speed, or in accordance with the load on the hydraulic pump; an absorption torque upper limit computation section (23) for calculating an absorption torque upper limit value of the hydraulic pump (3); and an operation signal generation section (24) for generating the operation signal to be output to a pump displacement adjustment device (45). When the rotation speed deviation ΔN is equal to or more that a setting NC which is determined in accordance with the assist output value, the absorption torque upper limit computation section reduces the absorption torque upper limit value of the hydraulic pump from the calculated value.

Abstract translation: 本发明包括用于设定发动机（1）的目标转速的目标转速设定部（17）。 负载检测装置（21），用于检测液压泵（3）上的负载; 辅助输出计算部（19），用于根据作为实际转速与目标转速之间的差的转速偏差ΔN来计算由电动发电机产生的辅助输出，或根据负载 在液压泵上; 用于计算液压泵（3）的吸收转矩上限值的吸收扭矩上限运算部（23）。 以及用于产生要输出到泵位移调节装置（45）的操作信号的操作信号产生部分（24）。 当转速偏差DeltaN等于或大于根据辅助输出值确定的设定NC时，吸收转矩上限运算部从计算值减小液压泵的吸收转矩上限值。

公开(公告)号：US08478470B1

公开(公告)日：2013-07-02

申请号：US13485102

申请日：2012-05-31

Applicant: Matthew D. Meads ,  Keith A. Leisinger ,  Rajeswari Addepalli

Inventor： Matthew D. Meads ,  Keith A. Leisinger ,  Rajeswari Addepalli

IPC: F02M23/00 ,  F02M21/00 ,  B60W10/00

CPC classification number: B60W10/06 ,  B60K6/46 ,  B60W10/08 ,  B60W20/00 ,  B60W30/1882 ,  B60W30/1886 ,  B60W2710/0644 ,  B60W2710/0666 ,  B60W2710/083 ,  B60Y2200/41 ,  B60Y2200/413 ,  E02F3/84 ,  E02F9/2066 ,  Y02T10/6217 ,  Y02T10/6286 ,  Y10T477/26 ,  Y10T477/6414 ,  Y10T477/6936

Abstract: A drivetrain system for a mobile machine is disclosed. The drivetrain system may have an engine, a generator driven by the engine to generate electric power, and a traction motor driven by the electric power from the generator. The drivetrain system may also have a controller in communication with the engine, the generator, and the traction motor. The controller may be configured to determine a change in loading on the traction motor, and determine a change in fueling of the engine that will be required to accommodate the change in loading on the traction motor. The controller may also be configured to selectively rate-limit the change in fueling, and implement the rate-limited change in fueling prior to transmission of the change in loading on the traction motor to the engine.

Abstract translation: 公开了一种用于移动机器的传动系统。 传动系统可以具有发动机，由发动机驱动以产生电力的发电机，以及由发电机的电力驱动的牵引电动机。 传动系统还可以具有与发动机，发电机和牵引电动机连通的控制器。 控制器可以被配置为确定牵引电动机上的负载变化，并且确定为了适应牵引电动机上的负载变化而需要的发动机的燃料供给变化。 控制器还可以被配置为选择性地限制加油变化，并且在将牵引马达上的负载变化传递到发动机之前实施加油的速率限制变化。

公开(公告)号：US08442729B2

公开(公告)日：2013-05-14

申请号：US12598653

申请日：2008-07-14

Applicant: Hidenobu Tsukada ,  Kazunori Nakamura ,  Tsuyoshi Nakamura ,  Yasuo Yamazaki

Inventor： Hidenobu Tsukada ,  Kazunori Nakamura ,  Tsuyoshi Nakamura ,  Yasuo Yamazaki

IPC: G06F19/00

CPC classification number: E02F9/2253 ,  B60W10/06 ,  B60W10/103 ,  B60W10/11 ,  B60W10/111 ,  B60W30/1884 ,  B60W2510/1005 ,  B60W2520/10 ,  B60W2710/0644 ,  B60Y2200/415 ,  E02F9/2066 ,  E02F9/2246 ,  F02D29/02 ,  F02D29/04 ,  F16H47/02 ,  F16H61/448 ,  F16H61/47

Abstract: This invention provides a traveling system for an engineering machine, adapted to limit a maximum traveling speed of the machine without causing decreases in engineering work efficiency or in accelerating performance during a start of traveling, and to improve fuel efficiency by suppressing a loss of engine output horsepower under the limited state of the maximum traveling speed. During fourth-gear shift control process, capacities of first and second hydraulic motors 23, 24 are controlled in coordinative form and the second hydraulic motor 24 has its minimum tilting amount limited to a tilting amount limit q2cmin. In addition, when a tilting amount of the first hydraulic motor 23 reaches a minimum tilting amount q1min, the engine 10 has its maximum engine speed limited to a first engine speed limit Ncmax1 (e.g., 1,800 rpm).

Abstract translation: 本发明提供一种用于工程机械的行驶系统，其适用于限制机器的最大行驶速度，而不会导致工程工作效率降低或加速行驶中的性能，并通过抑制发动机输出损失来提高燃油效率 在最大行驶速度的有限状态下的马力。 在第四档变速控制处理中，第一液压马达23和第二液压马达24的容量被协调控制，第二液压马达24具有限制到倾斜量极限q2cmin的最小倾斜量。 此外，当第一液压马达23的倾斜量达到最小倾斜量q1min时，发动机10的最大发动机转速限于第一发动机转速极限Ncmax1（例如，1800rpm）。

公开(公告)号：US08365518B2

公开(公告)日：2013-02-05

申请号：US12920831

申请日：2009-05-09

Applicant: Masanori Ezawa ,  Shouhei Kamiya ,  Takashi Hirose ,  Yasushi Arai

Inventor： Masanori Ezawa ,  Shouhei Kamiya ,  Takashi Hirose ,  Yasushi Arai

IPC: F01N3/00

CPC classification number: F01N3/0237 ,  B01D46/0002 ,  B01D46/0086 ,  B01D53/944 ,  B01D2257/404 ,  E02F9/0866 ,  E02F9/2066 ,  E02F9/2095 ,  F01N3/035 ,  F01N13/008 ,  F01N13/18 ,  F01N13/1894 ,  F01N2450/30 ,  F01N2470/18 ,  F01N2560/05 ,  F01N2590/08

Abstract: An upstream cylinder (21) and a downstream cylinder (24) are fixedly mounted to a support member (19), and a filter cylinder (26) is provided mountably and dismountably between the cylinders (21) and (24). In consequence, only the filter cylinder (26) can be dismounted with the cylinders (21) and (24) left as they are on the support member (19), so that the maintenance operation of a particulate matter removing filter (28) can be performed easily. In addition, pressure conduits (32) and (33) and a pressure sensor (34) of a pressure detection unit (31) for detecting a clogged state of the particulate matter removing filter (28) are disposed at positions offset from a moving path (30) of the filter cylinder (26). In consequence, only the filter cylinder (26) can be easily mounted or dismounted without being obstructed by the pressure conduits (32) and (33) and the pressure sensor (34).

Abstract translation: 上游筒（21）和下游筒（24）固定地安装在支撑件（19）上，并且过滤筒（26）可安装和拆卸地设置在缸体（21）和（24）之间。 因此，只有过滤筒（26）能够随着气缸（21）和（24）原样保持在支撑构件（19）上而被拆卸，使得颗粒物去除过滤器（28）的维护操作可以 容易执行 此外，用于检测颗粒物去除过滤器（28）的堵塞状态的压力检测单元（31）的压力导管（32）和压力传感器（33）以及位于偏移于移动路径 （30）。 因此，只有过滤筒（26）可以容易地被安装或拆卸而不受压力导管（32）和（33）和压力传感器（34）的阻碍。