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公开(公告)号：US07886862B2
公开(公告)日：2011-02-15
申请号：US10528485
申请日：2002-09-26
IPC分类号： B60K17/00
CPC分类号： E02F9/2253 , B60K25/04 , B60W10/06 , B60W10/103 , B60W30/18 , E02F9/2225 , E02F9/2228 , E02F9/2246 , E02F9/2285 , E02F9/2296 , F02D29/00 , F02D31/001 , F16H61/4061 , F16H61/465 , Y10S180/90
摘要： A prime mover control device of a construction machine includes a hydraulic pump (24) driven by a prime mover (10), an actuator (5) driven with pressure oil discharged from the hydraulic pump (24), and a control valve (25) that controls a flow of the pressure oil from the hydraulic pump (24) to the actuator (5) in response to an operation of a first operating member (22a). The prime mover control device includes a first set means (41) that sets a first set rotation speed Nt of the prime mover (10) according to the operation of the first operating member (22a), a second set means (43) that sets a second set rotation speed Nx of the prime mover (10) according to an operation of a second operating member (34), a selection member (35) that selects one of a first mode and a second mode, and a rotation speed control means (30, 13) that controls a prime mover rotation speed to match with a maximum value of the first set rotation speed Nt and the second set rotation speed Nx when the selection member (35) selects the first mode, and controls the prime mover rotation speed to match with the second set rotation speed Nx when the selection member (35) selects the second mode.
摘要翻译： 施工机械的原动机控制装置包括由原动机（10）驱动的液压泵（24），由从液压泵（24）排出的压力油驱动的致动器（5）和控制阀（25） 其响应于第一操作构件（22a）的操作来控制压力油从液压泵（24）到致动器（5）的流动。 原动机控制装置包括根据第一操作构件（22a）的操作设定原动机（10）的第一设定转速Nt的第一设定装置（41），设定第一设定装置 根据第二操作构件（34）的操作的原动机（10）的第二设定转速Nx，选择第一模式和第二模式中的一个的选择构件（35），以及旋转速度控制装置 （30,13），其在选择构件（35）选择第一模式时控制原动机转速与第一设定转速Nt的最大值和第二设定转速Nx匹配，并且控制原动机旋转 速度与选择构件（35）选择第二模式时的第二设定转速Nx相匹配。
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公开(公告)号：US07506717B2
公开(公告)日：2009-03-24
申请号：US10540857
申请日：2002-12-27
IPC分类号： F16D31/02
CPC分类号： F16H61/4183 , B60W30/18045 , E02F9/226 , E02F9/2296 , F16H61/40 , F16H61/4061 , F16H61/4069 , F16H61/4148 , F16H61/42 , F16H61/423 , F16H2059/065 , F16H2059/443
摘要： The present invention includes a hydraulic pump (11), a variable displacement hydraulic motor (5) for traveling driven by pressure oil from the hydraulic pump (11), a motor displacement control means (17, 18) for adjusting a displacement of the hydraulic motor (5) in correspondence to a drive pressure at the hydraulic motor (5), an operating member (22) through which a forward travel command and a backward travel command for the vehicle are issued, a control means (12) to be driven in response to an operation of the operating member (22), for controlling a flow of pressure oil from the hydraulic pump (11) to the hydraulic motor (5), a reverse operation detection means (41A, 41B) for detecting a reverse operation of the operating member (22) performed to a reverse side opposite from a direction along which the vehicle is advancing, and a cavitation preventing means (25A,25B) engaged in operation so as to prevent occurrence of cavitation at the hydraulic motor (5) when the reverse operation at the operating member (22) is detected by the reverse operation detection means (41A, 41B).
摘要翻译： 本发明包括液压泵（11），用于由液压泵（11）由压力油驱动的行程的可变排量液压马达（5），用于调节液压泵的位移的马达位移控制装置（17,18） 对应于液压马达（5）的驱动压力的马达（5），发出用于车辆的前进行驶指令和后退行驶指令的操作构件（22），被驱动的控制装置（12） 响应于操作构件（22）的操作，用于控制从液压泵（11）到液压马达（5）的压力油流动的反向操作检测装置（41A，41B） 对与所述车辆前进方向相反的反方向进行的所述操作部件（22）的动作，以及防止在所述液压马达（5）发生气穴的空化防止机构（25A，25B） 当反向操作 通过反向操作检测装置（41A，41B）检测操作构件（22）处的离子。
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公开(公告)号：US20060083622A1
公开(公告)日：2006-04-20
申请号：US10540857
申请日：2002-12-27
CPC分类号： F16H61/4183 , B60W30/18045 , E02F9/226 , E02F9/2296 , F16H61/40 , F16H61/4061 , F16H61/4069 , F16H61/4148 , F16H61/42 , F16H61/423 , F16H2059/065 , F16H2059/443
摘要： The present invention includes a hydraulic pump (11), a variable displacement hydraulic motor (5) for traveling driven by pressure oil from the hydraulic pump (11), a motor displacement control means (17, 18) for adjusting a displacement of the hydraulic motor (5) in correspondence to a drive pressure at the hydraulic motor (5), an operating member (22) through which a forward travel command and a backward travel command for the vehicle are issued, a control means (12) to be driven in response to an operation of the operating member (22), for controlling a flow of pressure oil from the hydraulic pump (11) to the hydraulic motor (5), a reverse operation detection means (41A, 41B) for detecting a reverse operation of the operating member (22) performed to a reverse side opposite from a direction along which the vehicle is advancing, and a cavitation preventing means (25A,25B) engaged in operation so as to prevent occurrence of cavitation at the hydraulic motor (5) when the reverse operation at the operating member (22) is detected by the reverse operation detection means (41A, 41B).
摘要翻译： 本发明包括液压泵（11），用于由液压泵（11）由压力油驱动的行程的可变排量液压马达（5），用于调节液压泵的位移的马达位移控制装置（17,18） 对应于液压马达（5）的驱动压力的马达（5），发出用于车辆的前进行驶指令和后退行驶指令的操作构件（22），被驱动的控制装置（12） 响应于操作构件（22）的操作，用于控制从液压泵（11）到液压马达（5）的压力油流动的反向操作检测装置（41A，41B） 执行到与车辆前进方向相反的相反侧的操作构件（22）的反向操作以及操作中的防止气蚀防止装置（25A，25B），以防止在液压 莫 （41A，41B）检测到操作构件（22）的反向操作时，（5）。
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公开(公告)号：US20060151230A1
公开(公告)日：2006-07-13
申请号：US10528485
申请日：2002-09-26
IPC分类号： B60K17/00
CPC分类号： E02F9/2253 , B60K25/04 , B60W10/06 , B60W10/103 , B60W30/18 , E02F9/2225 , E02F9/2228 , E02F9/2246 , E02F9/2285 , E02F9/2296 , F02D29/00 , F02D31/001 , F16H61/4061 , F16H61/465 , Y10S180/90
摘要： A prime mover control device of a construction machine includes a hydraulic pump (24) driven by a prime mover (10), an actuator (5) driven with pressure oil discharged from the hydraulic pump (24), and a control valve (25) that controls a flow of the pressure oil from the hydraulic pump (24) to the actuator (5) in response to an operation of a first operating member (22a). The prime mover control device includes a first set means (41) that sets a first set rotation speed Nt of the prime mover (10) according to the operation of the first operating member (22a), a second set means (43) that sets a second set rotation speed Nx of the prime mover (10) according to an operation of a second operating member (34), a selection member (35) that selects one of a first mode and a second mode, and a rotation speed control means (30, 13) that controls a prime mover rotation speed to match with a maximum value of the first set rotation speed Nt and the second set rotation speed Nx when the selection member (35) selects the first mode, and controls the prime mover rotation speed to match with the second set rotation speed Nx when the selection member (35) selects the second mode.
摘要翻译： 施工机械的原动机控制装置包括由原动机（10）驱动的液压泵（24），由从液压泵（24）排出的压力油驱动的致动器（5）和控制阀（25） 其响应于第一操作构件（22A）的操作来控制压力油从液压泵（24）到致动器（5）的流动。 原动机控制装置包括根据第一操作构件（22A）的操作设定原动机（10）的第一设定转速Nt的第一设定装置（41），第二设定装置（43），其中 根据第二操作构件（34）的操作，选择第一模式和第二模式中的一个的选择构件（35）和旋转速度控制来设定原动机（10）的第二设定转速Nx 当选择构件（35）选择第一模式时，控制原动机转速与第一设定转速Nt和第二设定转速Nx的最大值匹配的装置（30,13），并且控制原动机 当选择构件（35）选择第二模式时，转速与第二设定转速Nx相匹配。
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5.发明授权Travel motion control apparatus for hydraulically driven vehicle, hydraulically driven vehicle and wheel hydraulic excavator 有权液压驱动车辆，液压驱动车辆和车轮液压挖掘机的行驶运动控制装置公开(公告)号：US07698891B2
公开(公告)日：2010-04-20
申请号：US11889426
申请日：2007-08-13
CPC分类号： F16H61/421 , B60W30/146 , F16H59/40 , F16H61/4017 , F16H61/4148 , F16H61/4157 , F16H61/46 , F16H61/47 , F16H2059/6876 , Y10T137/7771
摘要： The present invention includes: a hydraulic pump 10 that is driven by a driving motor; a travel motion motor 12 that is driven with pressure oil supplied from the hydraulic pump 10; a travel motion control valve 11 that controls a flow rate of the pressure oil supplied from the hydraulic pump 10 to the travel motion motor 12; a means for operation 22a with which the travel motion control valve 11 is operated; a means for rotation rate detection 95 that detects a rotation rate N of the travel motion motor 12; and a means for motor over rotation prevention 14, 17, 32 that reduces the rotation rate of the travel motion motor 12 if the means for rotation rate detection 95 detects a rotation rate equal to or higher than a predetermined rotation rate upper limit Nmax.
摘要翻译： 本发明包括：由驱动电动机驱动的液压泵10; 由从液压泵10供给的压力油驱动的行进运动马达12; 行驶运动控制阀11，其控制从液压泵10向行驶运动马达12供给的压力油的流量; 用于操作行驶运动控制阀11的操作装置22a; 用于检测行驶运动马达12的转速N的转速检测装置95; 以及如果旋转速率检测装置95检测到等于或高于预定旋转速度上限Nmax的旋转速度，则减小运动马达12的旋转速度的马达过度旋转防止装置14,17,32。
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6.发明申请Travel control device of hydraulically driven vehicle, hydraulically driven vehicle, and wheel hydraulic shovel 审中-公开液压驱动车辆，液压驱动车辆和车轮液压挖掘机的行驶控制装置公开(公告)号：US20050161090A1
公开(公告)日：2005-07-28
申请号：US10512146
申请日：2003-04-11
IPC分类号： F16H59/40 , F16H61/40 , F16H61/42 , F16H61/421 , F16K17/26
CPC分类号： F16H61/421 , B60W30/146 , F16H59/40 , F16H61/4017 , F16H61/4148 , F16H61/4157 , F16H61/46 , F16H61/47 , F16H2059/6876 , Y10T137/7771
摘要： The present invention includes: a hydraulic pump 10 that is driven by a driving motor; a travel motion motor 12 that is driven with pressure oil supplied from the hydraulic pump 10; a travel motion control valve 11 that controls a flow rate of the pressure oil supplied from the hydraulic pump 10 to the travel motion motor 12; a means for operation 22a with which the travel motion control valve 11 is operated; a means for rotation rate detection 95 that detects a rotation rate N of the travel motion motor 12; and a means for motor over rotation prevention 14, 17, 32 that reduces the rotation rate of the travel motion motor 12 if the means for rotation rate detection 95 detects a rotation rate equal to or higher than a predetermined rotation rate upper limit Nmax.
摘要翻译： 本发明包括：由驱动电动机驱动的液压泵10; 由从液压泵10供给的压力油驱动的行进运动马达12; 行驶运动控制阀11，其控制从液压泵10向行驶运动马达12供给的压力油的流量; 用于操作行驶运动控制阀11的操作装置22a; 用于检测行驶运动马达12的转速N的转速检测装置95; 以及如果旋转速率检测装置95检测到等于或高于预定旋转速度上限Nmax的旋转速度，则减小运动马达12的旋转速度的马达过度旋转防止装置14,17,32。
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7.发明申请Travel motion control apparatus for hydraulically driven vehicle, hydraulically driven vehicle and wheel hydraulic excavator 有权液压驱动车辆，液压驱动车辆和车轮液压挖掘机的行驶运动控制装置公开(公告)号：US20070289639A1
公开(公告)日：2007-12-20
申请号：US11889426
申请日：2007-08-13
IPC分类号： F16K17/28
CPC分类号： F16H61/421 , B60W30/146 , F16H59/40 , F16H61/4017 , F16H61/4148 , F16H61/4157 , F16H61/46 , F16H61/47 , F16H2059/6876 , Y10T137/7771
摘要： The present invention includes:a hydraulic pump 10 that is driven by a driving motor; a travel motion motor 12 that is driven with pressure oil supplied from the hydraulic pump 10; a travel motion control valve 11 that controls a flow rate of the pressure oil supplied from the hydraulic pump 10 to the travel motion motor 12; a means for operation 22a with which the travel motion control valve 11 is operated; a means for rotation rate detection 95 that detects a rotation rate N of the travel motion motor 12; and a means for motor over rotation prevention 14, 17, 32 that reduces the rotation rate of the travel motion motor 12 if the means for rotation rate detection 95 detects a rotation rate equal to or higher than a predetermined rotation rate upper limit Nmax.
摘要翻译： 本发明包括：由驱动电动机驱动的液压泵10; 由从液压泵10供给的压力油驱动的行进运动马达12; 行驶运动控制阀11，其控制从液压泵10向行驶运动马达12供给的压力油的流量; 用于操作行驶运动控制阀11的操作装置22a; 用于检测行驶运动马达12的转速N的转速检测装置95; 以及如果旋转速率检测装置95检测到等于或高于预定旋转速度上限Nmax的旋转速度，则减小运动马达12的旋转速度的马达过度旋转防止装置14,17,32。
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公开(公告)号：US07273124B2
公开(公告)日：2007-09-25
申请号：US10528067
申请日：2002-09-26
IPC分类号： B60K26/00
CPC分类号： F02D31/001 , B60K17/10 , B60W10/06 , B60W10/10 , B60W10/103 , B60W30/18136 , B60W2300/17 , B60W2540/10 , B60W2710/0644 , E02F9/2246 , E02F9/2253 , E02F9/226 , E02F9/2296 , F02D11/105 , F02D29/00 , F02D29/02 , F02D41/12 , F02D2200/1012 , F02D2200/602 , F02D2200/702 , F16H59/40 , F16H61/4148 , F16H61/4157 , F16H2059/186 , F16H2059/6876
摘要： A prime mover control device of a construction machine according to the present invention includes a hydraulic pump (11) driven by a prime mover (40), a hydraulic traveling motor (5) driven with pressure oil output from the hydraulic pump (11), and a control valve (12) that controls a flow of the pressure oil from the hydraulic pump (11) to the hydraulic motor (5) in response to an operation of an operating member (22a). The prime mover control device further includes a deceleration detection means (31) that detects a deceleration operation at the operating member (22a), a rotation speed detection means (35) that detects a rotation speed Nm of the hydraulic motor (5), and a prime mover rotation speed control means (30,43) that executes speed reduction control of the rotation speed of the prime mover (40) based upon detection results provided by the rotation speed detection means (35) if the deceleration operation is detected by the deceleration detection means (31) and controls the rotation speed of the prime mover (40) in correspondence to an operation of the operating member (22a) which is detected to be other than the deceleration operation.
摘要翻译： 根据本发明的施工机械的原动机控制装置包括由原动机（40）驱动的液压泵（11），由从液压泵（11）输出的压力油驱动的液压行进马达（5） 以及控制阀（12），其响应于操作构件（22a）的操作来控制从液压泵（11）到液压马达（5）的压力油的流动。 原动机控制装置还包括检测操作部件（22a）的减速动作的减速检测机构（31），检测液压马达（5）的转速Nm的转速检测机构（35） 以及原动机转速控制装置（30,43），其基于由所述转速检测装置（35）提供的检测结果来执行所述原动机（40）的转速的减速控制，如果所述减速操作由 减速检测装置（31），根据被检测为不是减速操作的操作构件（22a）的动作来控制原动机（40）的转速。
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公开(公告)号：US20060096799A1
公开(公告)日：2006-05-11
申请号：US10528067
申请日：2002-09-26
IPC分类号： B60K17/00
CPC分类号： F02D31/001 , B60K17/10 , B60W10/06 , B60W10/10 , B60W10/103 , B60W30/18136 , B60W2300/17 , B60W2540/10 , B60W2710/0644 , E02F9/2246 , E02F9/2253 , E02F9/226 , E02F9/2296 , F02D11/105 , F02D29/00 , F02D29/02 , F02D41/12 , F02D2200/1012 , F02D2200/602 , F02D2200/702 , F16H59/40 , F16H61/4148 , F16H61/4157 , F16H2059/186 , F16H2059/6876
摘要： A prime mover control device of a construction machine according to the present invention includes a hydraulic pump (11) driven by a prime mover (40), a hydraulic traveling motor (5) driven with pressure oil output from the hydraulic pump (11), and a control valve (12) that controls a flow of the pressure oil from the hydraulic pump (11) to the hydraulic motor (5) in response to an operation of an operating member (22a). The prime mover control device further includes a deceleration detection means (31) that detects a deceleration operation at the operating member (22a), a rotation speed detection means (35) that detects a rotation speed Nm of the hydraulic motor (5), and a prime mover rotation speed control means (30,43) that executes speed reduction control of the rotation speed of the prime mover (40) based upon detection results provided by the rotation speed detection means (35) if the deceleration operation is detected by the deceleration detection means (31) and controls the rotation speed of the prime mover (40) in correspondence to an operation of the operating member (22a) which is detected to be other than the deceleration operation.
摘要翻译： 根据本发明的施工机械的原动机控制装置包括由原动机（40）驱动的液压泵（11），由从液压泵（11）输出的压力油驱动的液压行进马达（5） 以及控制阀（12），其响应于操作构件（22a）的操作来控制从液压泵（11）到液压马达（5）的压力油的流动。 原动机控制装置还包括检测操作部件（22a）的减速动作的减速检测机构（31），检测液压马达（5）的转速Nm的转速检测机构（35） 以及原动机转速控制装置（30,43），其基于由所述转速检测装置（35）提供的检测结果来执行所述原动机（40）的转速的减速控制，如果所述减速操作由 减速检测装置（31），根据被检测为不是减速操作的操作构件（22a）的动作来控制原动机（40）的转速。
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10.发明授权Travel control device for hydraulically driven vehicle and hydraulically driven vehicle 有权液压驱动车辆和液压驱动车辆的行驶控制装置公开(公告)号：US07398648B2
公开(公告)日：2008-07-15
申请号：US10573757
申请日：2004-09-17
CPC分类号： F16H61/4157 , B60W10/06 , B60W30/18072 , B60W2520/105 , F15B11/0445 , F15B2211/20546 , F15B2211/30525 , F15B2211/329 , F15B2211/40507 , F15B2211/40584 , F15B2211/45 , F15B2211/46 , F15B2211/50518 , F15B2211/50545 , F15B2211/5151 , F15B2211/5153 , F15B2211/55 , F15B2211/6054 , F15B2211/6316 , F15B2211/633 , F15B2211/6355 , F15B2211/6651 , F15B2211/6654 , F15B2211/7058 , F15B2211/76 , F16H59/22 , F16H59/40 , F16H61/4148 , F16H61/431 , F16H2059/6876
摘要： The present invention includes a hydraulic pump 10 driven by a prime mover 1, a traveling motor 12 driven with pressure oil delivered from the hydraulic pump 10, a control valve 11 for traveling that controls a flow rate of the pressure oil delivered from the hydraulic pump 10 to the traveling motor 12, a counterbalance valve 13 switched in response to a motor load pressure supplied via the control valve 11, that generates a braking pressure at a conduit L1A or L1B disposed on a return side of the traveling motor 12 as the load pressure becomes lower, an overspeed detection means 42 for detecting an overspeed state in the traveling motor 12, and a motor overspeed inhibiting means 50 for inhibiting rotation of the traveling motor 12 if the overspeed detection means 42 detects an overspeed state in the traveling motor 12 until a braking pressure is generated through a switchover at the counterbalance valve 13 and the traveling motor 12 is no longer in the overspeed state.
摘要翻译： 本发明包括由原动机1驱动的液压泵10，由从液压泵10输送的压力油驱动的行进马达12，用于行进的控制阀11，其控制从液压泵输送的压力油的流量 10到行进马达12，响应于经由控制阀11供给的马达负载压力而切换的平衡阀13，其在布置在行进马达的返回侧的管道L1A或L1B处产生制动压力 负载压力变低时，如图12所示，用于检测行驶马达12中的超速状态的超速检测单元42以及超速检测单元42检测到超速状态时的行驶马达12的转动的马达超速禁止单元50 行驶马达12直到在平衡阀13的切换产生制动压力并且行进马达12不再处于超速状态。
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