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公开(公告)号：US08277364B2
公开(公告)日：2012-10-02
申请号：US12526448
申请日：2008-02-08
申请人： Koji Hyodo , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Kazuo Ishida , Kazuo Chonan
发明人： Koji Hyodo , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Kazuo Ishida , Kazuo Chonan
CPC分类号： F16H61/438 , F16H47/02 , F16H59/40 , F16H59/44 , F16H61/0213 , F16H61/444 , F16H2059/366 , Y10T477/631 , Y10T477/636 , Y10T477/688
摘要： A first motor 3 and a second motor 4 of variable displacement type are in parallel to each other connected to a hydraulic pump 2 in a closed circuit, through which the output torque from the first motor 3 is transmitted to an output shaft 6. A clutch control unit 10 controls a clutch device 15 as: when the engine speed is N1, which is the case where the accelerator pedal is fully depressed, the clutch is disengaged at the vehicle speed v1. When the engine speed is N3(
摘要翻译： 可变排量型的第一电动机3和第二电动机4在闭合回路中彼此平行地连接到液压泵2，通过该闭合回路，来自第一电动机3的输出转矩传递到输出轴6。 控制单元10将离合器装置15控制为：当发动机转速为N1时，即加速踏板完全压下的情况下，离合器以车速v1分离。 当发动机转速为N3（
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公开(公告)号：US20100317486A1
公开(公告)日：2010-12-16
申请号：US12526448
申请日：2008-02-08
申请人： Koji Hyodo , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Kazuo Ishida , Kazuo Chonan
发明人： Koji Hyodo , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Kazuo Ishida , Kazuo Chonan
IPC分类号： F16H61/47
CPC分类号： F16H61/438 , F16H47/02 , F16H59/40 , F16H59/44 , F16H61/0213 , F16H61/444 , F16H2059/366 , Y10T477/631 , Y10T477/636 , Y10T477/688
摘要： A first motor 3 and a second motor 4 of variable displacement type are in parallel to each other connected to a hydraulic pump 2 in a closed circuit, through which the output torque from the first motor 3 is transmitted to an output shaft 6. A clutch control unit 10 controls a clutch device 15 as: when the engine speed is N1, which is the case where the accelerator pedal is fully depressed, the clutch is disengaged at the vehicle speed v1. When the engine speed is N3(
摘要翻译： 可变排量型的第一电动机3和第二电动机4在闭合回路中彼此平行地连接到液压泵2，通过该闭合回路，来自第一电动机3的输出转矩传递到输出轴6。 控制单元10将离合器装置15控制为：当发动机转速为N1时，即加速踏板完全压下的情况下，离合器以车速v1分离。 当发动机转速为N3（
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公开(公告)号：US20100095663A1
公开(公告)日：2010-04-22
申请号：US12530987
申请日：2008-03-12
申请人： Koji Hyodo , Kazuo Chonan , Yasuo Yamazaki , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Nobuyuki Hidaka , Masaki Yoshikawa
发明人： Koji Hyodo , Kazuo Chonan , Yasuo Yamazaki , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Nobuyuki Hidaka , Masaki Yoshikawa
IPC分类号： F16D31/02
CPC分类号： E02F9/2253 , E02F9/2289 , E02F9/2292 , E02F9/2296 , F16H61/4078 , F16H61/4148 , F16H61/425 , F16H61/433 , F16H61/47 , F16H2059/6861
摘要： There are provided: a first circuit for traveling HC1, formed through a closed circuit connection of a variable displacement hydraulic pump 2 and a variable displacement hydraulic motor 3, that includes a motor control unit 10, 11 that controls a displacement of the hydraulic motor 3; a second circuit for working HC2 that drives a work hydraulic actuator 114, 115 by pressure oil from a work hydraulic pump 4; and a maximum value control unit 10 that controls a maximum displacement of the hydraulic motor 3 in accordance with load pressure Pf in the second circuit HC2. The maximum value control unit 10 decreases the maximum displacement to a minimum limit q1 corresponding to a maximum load pressure Pr in the second circuit when load pressure Pf in the second circuit exceeds a predetermined value Ps.
摘要翻译： 提供了：通过可变排量液压泵2和可变排量液压马达3的闭路连接形成的用于行驶HC1的第一回路，其包括控制液压马达3的位移的马达控制单元10,11 ; 用于通过来自工作液压泵4的压力油来驱动工作液压致动器114,115的用于工作HC2的第二回路; 以及最大值控制单元10，其根据第二回路HC2中的负载压力Pf来控制液压马达3的最大排量。 当第二回路中的负载压力Pf超过预定值Ps时，最大值控制单元10将最大位移减小到对应于第二回路中的最大负载压力Pr的最小极限q1。
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公开(公告)号：US08315783B2
公开(公告)日：2012-11-20
申请号：US12739535
申请日：2008-10-24
申请人： Koji Hyodo , Hiroki Nakazono , Nobuhiro Suzuki , Atsushi Shimazu , Masaki Yoshikawa , Kentaro Itoga , Kazuo Chonan , Tomoo Takahashi
发明人： Koji Hyodo , Hiroki Nakazono , Nobuhiro Suzuki , Atsushi Shimazu , Masaki Yoshikawa , Kentaro Itoga , Kazuo Chonan , Tomoo Takahashi
IPC分类号： F02D41/00
CPC分类号： E02F9/2246 , B60W10/06 , B60W10/30 , B60W30/1882 , B60W2510/1005 , B60W2540/103 , B60W2710/0644 , B60Y2200/415 , E02F9/2296 , F02D29/02 , F02D29/04 , F02D41/021 , F02D41/0225 , F02D41/1497 , F02D2200/501 , F02D2200/602 , F02D2400/12 , F16H2059/467 , Y10T477/68
摘要： There are provided: a pedal operation amount detection unit 12 that detects an operation amount s of the accelerator pedal 11; a speed ratio detection unit 14, 15 that detects a speed ratio e of an input shaft and an output shaft of the torque converter 2; a load pressure detection unit 16 that detects a load pressure P of the hydraulic pump 6; a speed stage detection unit 18 that detects a low speed stage of a transmission 3 capable of varying a speed stage between a low speed stage and a high speed stage; and a speed limiting unit 10 that limits a maximum speed of the engine 1 to a lower speed upon satisfaction of following speed limitation conditions: at least a pedal operation amount s is equal to or greater than a predetermined value s1, a speed ratio e is equal to or less than a predetermined value ea, a load pressure P is equal to or greater than a predetermined value Pa, and the low speed stage of the transmission has been detected.
摘要翻译： 提供：踏板操作量检测单元12，其检测加速器踏板11的操作量s; 检测变矩器2的输入轴和输出轴的速比e的变速比检测部14,15; 负载压力检测单元16，检测液压泵6的负载压力P; 速度级检测单元18，其检测能够改变低速级和高速级之间的速度级的变速器3的低速级; 以及速度限制单元10，其在满足以下速度限制条件之后将发动机1的最大速度限制在较低速度：至少踏板操作量s等于或大于预定值s1，速度比e 等于或小于预定值ea，负载压力P等于或大于预定值Pa，并且已经检测到变速器的低速级。
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公开(公告)号：US20100262353A1
公开(公告)日：2010-10-14
申请号：US12739535
申请日：2008-10-24
申请人： Koji Hyodo , Hiroki Nakazono , Nobuhiro Suzuki , Atsushi Shimazu , Masaki Yoshikawa , Kentaro Itoga , Kazuo Chonan , Tomoo Takahashi
发明人： Koji Hyodo , Hiroki Nakazono , Nobuhiro Suzuki , Atsushi Shimazu , Masaki Yoshikawa , Kentaro Itoga , Kazuo Chonan , Tomoo Takahashi
IPC分类号： F02D45/00
CPC分类号： E02F9/2246 , B60W10/06 , B60W10/30 , B60W30/1882 , B60W2510/1005 , B60W2540/103 , B60W2710/0644 , B60Y2200/415 , E02F9/2296 , F02D29/02 , F02D29/04 , F02D41/021 , F02D41/0225 , F02D41/1497 , F02D2200/501 , F02D2200/602 , F02D2400/12 , F16H2059/467 , Y10T477/68
摘要： There are provided: a pedal operation amount detection unit 12 that detects an operation amount s of the accelerator pedal 11; a speed ratio detection unit 14, 15 that detects a speed ratio e of an input shaft and an output shaft of the torque converter 2; a load pressure detection unit 16 that detects a load pressure P of the hydraulic pump 6; a speed stage detection unit 18 that detects a low speed stage of a transmission 3 capable of varying a speed stage between a low speed stage and a high speed stage; and a speed limiting unit 10 that limits a maximum speed of the engine 1 to a lower speed upon satisfaction of following speed limitation conditions: at least a pedal operation amount s is equal to or greater than a predetermined value s1, a speed ratio e is equal to or less than a predetermined value ea, a load pressure P is equal to or greater than a predetermined value Pa, and the low speed stage of the transmission has been detected.
摘要翻译： 提供：踏板操作量检测单元12，其检测加速器踏板11的操作量s; 检测变矩器2的输入轴和输出轴的速比e的变速比检测部14,15; 负载压力检测单元16，检测液压泵6的负载压力P; 速度级检测单元18，其检测能够改变低速级和高速级之间的速度级的变速器3的低速级; 以及速度限制单元10，其在满足以下速度限制条件之后将发动机1的最大速度限制在较低速度：至少踏板操作量s等于或大于预定值s1，速度比e 等于或小于预定值ea，负载压力P等于或大于预定值Pa，并且已经检测到变速器的低速级。
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公开(公告)号：US08671673B2
公开(公告)日：2014-03-18
申请号：US12530987
申请日：2008-03-12
申请人： Koji Hyodo , Kazuo Chonan , Yasuo Yamazaki , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Nobuyuki Hidaka , Masaki Yoshikawa
发明人： Koji Hyodo , Kazuo Chonan , Yasuo Yamazaki , Nobuhiro Suzuki , Koji Takano , Genichiro Ishimaru , Nobuyuki Hidaka , Masaki Yoshikawa
IPC分类号： F16D31/02
CPC分类号： E02F9/2253 , E02F9/2289 , E02F9/2292 , E02F9/2296 , F16H61/4078 , F16H61/4148 , F16H61/425 , F16H61/433 , F16H61/47 , F16H2059/6861
摘要： There are provided: a first circuit for traveling HC1, formed through a closed circuit connection of a variable displacement hydraulic pump 2 and a variable displacement hydraulic motor 3, that includes a motor control unit 10, 11 that controls a displacement of the hydraulic motor 3; a second circuit for working HC2 that drives a work hydraulic actuator 114, 115 by pressure oil from a work hydraulic pump 4; and a maximum value control unit that controls a maximum displacement of the hydraulic motor 3 in accordance with load pressure Pf in the second circuit HC2. The maximum value control unit decreases the maximum displacement to a minimum limit q1 corresponding to a maximum load pressure Pr in the second circuit when load pressure Pf in the second circuit exceeds a predetermined value Ps.
摘要翻译： 提供了：通过可变排量液压泵2和可变排量液压马达3的闭路连接形成的用于行驶HC1的第一回路，其包括控制液压马达3的位移的马达控制单元10,11 ; 用于通过来自工作液压泵4的压力油来驱动工作液压致动器114,115的用于工作HC2的第二回路; 以及最大值控制单元，其根据第二回路HC2中的负载压力Pf来控制液压马达3的最大排量。 当第二回路中的负载压力Pf超过预定值Ps时，最大值控制单元将最大位移减小到对应于第二回路中的最大负载压力Pr的最小极限q1。
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公开(公告)号：US08567186B2
公开(公告)日：2013-10-29
申请号：US12530986
申请日：2008-03-12
申请人： Koji Hyodo , Nobuyuki Hidaka , Masaki Yoshikawa , Tsuyoshi Takeyama , Kazuo Chonan , Yasuo Yamazaki
发明人： Koji Hyodo , Nobuyuki Hidaka , Masaki Yoshikawa , Tsuyoshi Takeyama , Kazuo Chonan , Yasuo Yamazaki
IPC分类号： F16D31/02
CPC分类号： F02D41/021 , B60W10/103 , B60W10/30 , B60W30/184 , B60W2540/10 , E02F9/2232 , E02F9/2246 , E02F9/2253 , F02D29/02 , F02D31/009 , F02D41/0205 , F15B7/005 , F15B7/008 , F15B2211/20553 , F15B2211/20561 , F15B2211/5059 , F15B2211/613 , F15B2211/6313 , F15B2211/7058 , F16H61/4148 , F16H61/47
摘要： A control apparatus for a working vehicle includes a travel circuit HC1 formed through a closed circuit connection of a variable displacement hydraulic pump driven by an engine and a variable displacement hydraulic motor, a work circuit HC2 that includes a work hydraulic pump driven by the engine and a work hydraulic actuator that operates by pressure oil from the work hydraulic pump, a relief valve that relieves high pressure oil of the travel circuit HC1, a rotation speed control unit that controls the engine rotation speed in correspondence to an accelerator pedal operation amount, a state detection unit that detects a vehicle state of high load travel and high load work, and a speed limitation unit that reduces an engine rotation speed upper limit when the vehicle state of high load travel and high load work is detected.
摘要翻译： 作业车辆的控制装置包括通过由发动机驱动的可变排量液压泵和可变排量液压马达的闭路连接形成的行驶回路HC1，包括由发动机驱动的作业液压泵的作业回路HC2，以及 工作液压致动器，其通过来自工作液压泵的压力油进行操作，缓冲阀，其释放行驶回路HC1的高压油;转速控制单元，其对应于加速器踏板操作量控制发动机转速; 状态检测单元，其检测高负载行驶和高负载工作的车辆状态;以及速度限制单元，其在检测到高负载行驶和高负载工作的车辆状态时降低发动机转速上限。
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公开(公告)号：US20100024412A1
公开(公告)日：2010-02-04
申请号：US12530986
申请日：2008-03-12
申请人： Koji Hyodo , Nobuyuki Hidaka , Masaki Yoshikawa , Tsuyoshi Takeyama , Kazuo Chonan , Yasuo Yamazaki
发明人： Koji Hyodo , Nobuyuki Hidaka , Masaki Yoshikawa , Tsuyoshi Takeyama , Kazuo Chonan , Yasuo Yamazaki
CPC分类号： F02D41/021 , B60W10/103 , B60W10/30 , B60W30/184 , B60W2540/10 , E02F9/2232 , E02F9/2246 , E02F9/2253 , F02D29/02 , F02D31/009 , F02D41/0205 , F15B7/005 , F15B7/008 , F15B2211/20553 , F15B2211/20561 , F15B2211/5059 , F15B2211/613 , F15B2211/6313 , F15B2211/7058 , F16H61/4148 , F16H61/47
摘要： There are provided: a travel circuit HC1 that is formed through a closed circuit connection of a variable displacement hydraulic pump 2 driven by an engine 1 and a variable displacement hydraulic motor 3; a work circuit HC2 that includes a work hydraulic pump 4 that is driven by the engine 1 and a work hydraulic actuator 114, 115 that operates by pressure oil from the work hydraulic pump 4; a relief valve 14 that relieves high pressure oil of the travel circuit HC1; a rotation speed control unit 10, 18 that controls the engine rotation speed in correspondence to an operation amount of an accelerator pedal 9; a state detection unit 21, 22 that detects a vehicle state of high load travel and high load work; and a speed limitation unit 10 that reduces an upper limit of engine rotation speed when the vehicle state of high load travel and high load work is detected by the state detection unit 21, 22.
摘要翻译： 提供：通过由发动机1驱动的可变排量液压泵2和可变排量液压马达3的闭路连接形成的行驶回路HC1; 包括由发动机1驱动的作业液压泵4的工作回路HC2和从作业液压泵4的压力油进行动作的作业液压致动器114,115; 减轻行驶回路HC1的高压油的溢流阀14; 旋转速度控制单元10,18，其根据加速器踏板9的操作量来控制发动机转速; 状态检测单元21,22，其检测高负载行驶和高负载作业的车辆状态; 以及速度限制单元10，其通过状态检测单元21,22检测到高负载行驶和高负载作业的车辆状态时减小发动机转速的上限。
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