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41. 发明申请

US20060048508A1 Oil pressure circuit for working machines 有权
公开(公告)号：US20060048508A1
公开(公告)日：2006-03-09
申请号：US10514936
申请日：2004-03-15
申请人： Tsuyoshi Nakamura , Genroku Sugiyama , Tsukasa Toyooka , Kouji Ishikawa
发明人： Tsuyoshi Nakamura , Genroku Sugiyama , Tsukasa Toyooka , Kouji Ishikawa
IPC分类号： F16D31/02
CPC分类号： E02F9/2242 , E02F9/2217 , E02F9/2228 , E02F9/2282 , E02F9/2285 , E02F9/2292 , E02F9/2296 , F15B11/024 , F15B11/17 , F15B21/087 , F15B2211/20546 , F15B2211/20576 , F15B2211/30525 , F15B2211/30565 , F15B2211/3058 , F15B2211/3116 , F15B2211/31576 , F15B2211/31582 , F15B2211/327 , F15B2211/6309 , F15B2211/6355 , F15B2211/6654 , F15B2211/7053 , F15B2211/7058 , F15B2211/7128 , F15B2211/7135 , F15B2211/7142 , F15B2211/75 , F15B2211/76
摘要： A joining directional control valve 13 is disposed to supply, to an arm cylinder 4, not only a hydraulic fluid delivered from a first hydraulic pump 1, but also a hydraulic fluid delivered from a second hydraulic pump 2 when an arm directional control valve 14 is driven. Respective delivery pressures of the hydraulic pumps 1, 2 are detected by pressure sensors 101, 102, and the opening area of a recovery control valve 6 is controlled depending on a lower one of the detected pressures from the pressure sensors 101, 102 such that, even in the combined operation of the arm cylinder 4 and another actuator 3, 4, the hydraulic fluid can be recovered for return to the arm cylinder 4 when the load pressure of the arm cylinder 4 is low. Thus, by supplying the hydraulic fluids from the two hydraulic pumps to the particular actuator for which the hydraulic fluid is to be recovered, a recovery flow rate is ensured when the load of the particular actuator is low in the combined operation.

42. 发明授权

US06810362B2 Construction machine managing method and system, and arithmetic processing device 有权
标题翻译：施工机械管理方法与系统及算术处理装置
公开(公告)号：US06810362B2
公开(公告)日：2004-10-26
申请号：US09959862
申请日：2001-11-09
申请人： Hiroyuki Adachi , Toichi Hirata , Genroku Sugiyama , Hiroshi Watanabe , Koichi Shibata , Hideki Komatsu
发明人： Hiroyuki Adachi , Toichi Hirata , Genroku Sugiyama , Hiroshi Watanabe , Koichi Shibata , Hideki Komatsu
IPC分类号： G06F1130
CPC分类号： G06Q10/06 , E02F9/26 , Y02P90/86
摘要： A method and system for managing a construction machine and processing apparatus therefor includes a controller 2 mounted on a hydraulic excavator 1 working in fields. An operating time for each of an engine 32, a front 15, a swing body 13 and a travel body 12 is measured and stored in a memory of the controller 2. The measured data is transferred to a base station computer 3 and stored in a database 100 inside the base station computer 3. The base station computer 3 reads, per hydraulic excavator, the data stored in the database 100 and then prepares and outputs a distribution graph of the number of operated machines with respect to the working time (engine running time) of the hydraulic excavator. While looking at the distribution graph, a machine maker estimates the number of hydraulic excavators to be renewed and estimates the sales quantity of hydraulic excavators, thereby setting up a production plan of hydraulic excavators.
摘要翻译：一种用于管理建筑机械及其处理设备的方法和系统，包括安装在在田间工作的液压挖掘机1上的控制器2。发动机32，前15，摆动体13和行驶体12的运转时间被测量并存储在控制器2的存储器中。测量数据被传送到基站计算机3并存储在基站计算机3内的数据库100.基站计算机3每液压挖掘机读取存储在数据库100中的数据，然后准备并输出相对于工作时间的操作机器数量的分布图（发动机运行时间）的液压挖掘机。在查看分布图时，机器制造商估计要更新的液压挖掘机的数量，并估计液压挖掘机的销售量，从而制定液压挖掘机的生产计划。

43. 发明授权

US06619037B1 Hydraulic driving device of civil engineering and construction machinery 有权
标题翻译：土木工程机械液压驱动装置
公开(公告)号：US06619037B1
公开(公告)日：2003-09-16
申请号：US09889612
申请日：2001-07-19
申请人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Kouji Ishikawa , Masao Nishimura , Tsuyoshi Nakamura
发明人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Kouji Ishikawa , Masao Nishimura , Tsuyoshi Nakamura
IPC分类号： F16D3102
CPC分类号： E02F9/2267 , E02F9/2239 , E02F9/2242 , E02F9/2271 , E02F9/2292
摘要： Provided are hydraulic pumps 1,2, a control valve group 15a connected to the pump 1 and including a bypass on/off valve 7, a control valve group 15b connected to the pump 2 and including a reserve-actuator-controlling, directional control valve 11, a communication line 13 communicating a most upstream side of the control valve group 15a with a supply line 11a to the reserve-actuator-controlling, directional control valve 11, a merge control valve 14 for communicating or cutting off the communication line 13, an interlocked control means for changing over the merge control valve 14 to an open position and the bypass on/off valve 7 to a closed position in association with a change-over operation of the reserve-actuator-controlling, directional control valve 11, and a selective control valve 28 capable of taking one of a state, in which the operation to change over the merge control valve 14 by the interlocked control means is feasible, and another state in which the operation to change over the merge control valve by the interlocked control means is infeasible. The control valve group 15a, the control valve group 15b, the communication line 13 and the merge control valve 14 are arranged in a housing 15 such that a change or the like in a maximum value of an operating speed of an actuator, said operating speed being controlled by the reserve directional control valve, can be achieved.
摘要翻译：设有液压泵1,2，与泵1连接并包括旁通开闭阀7的控制阀组15a，连接到泵2的控制阀组15b，并且包括备用执行器控制方向控制阀如图11所示，将控制阀组15a的最上游侧与供给管线11a连通的通信线路13配置到备用执行器控制用方向控制阀11，连通或切断通信线路13的合流控制阀14，联合控制装置，用于将合并控制阀14转换到打开位置，旁路开/关阀7与备用执行器控制方向控制阀11的转换操作相关联地转换到关闭位置，以及选择控制阀28，其能够采用其中一个状态，其中通过互锁控制装置切换合并控制阀14的操作是可行的;以及另一种状态，其中改变o的操作通过互锁控制装置检查合并控制阀是不可行的。控制阀组15a，控制阀组15b，连通管线13和合并控制阀14布置在壳体15中，使得在致动器的操作速度的最大值中的变化等，所述操作速度由备用方向控制阀控制，可以实现。

44. 发明授权

US06241212B1 Hose rupture control valve unit 失效
标题翻译：软管破裂控制阀单元
公开(公告)号：US06241212B1
公开(公告)日：2001-06-05
申请号：US09294431
申请日：1999-04-20
申请人： Tarou Takahashi , Genroku Sugiyama , Tsukasa Toyooka
发明人： Tarou Takahashi , Genroku Sugiyama , Tsukasa Toyooka
IPC分类号： F16K1720
CPC分类号： F15B20/005 , F15B13/01 , Y10T137/7727
摘要： A hose rupture control valve unit includes a housing provided with two input/output ports. One input/output port is directly attached to a bottom port of a hydraulic cylinder, and the other input/output port is connected to one of actuator ports of a control valve via an actuator line. Within the housing, there are provided a poppet valve body serving as a main valve, a spool valve body serving as a pilot valve which is operated with a pilot pressure supplied as an external signal from a manual pilot valve, thereby operating the poppet valve body, and a small spool having the function of an overload relief valve. The above construction reduces the number of components arranged in a flow passage through which a hydraulic fluid passes at a large flow rate, and hence a pressure loss. A further reduction in overall size and production cost of the valve unit is achieved.
摘要翻译：软管断裂控制阀单元包括具有两个输入/输出端口的壳体。一个输入/输出端口直接连接到液压缸的底部端口，另一个输入/输出端口经由致动器线路连接到控制阀的致动器端口中的一个。在壳体内设置有作为主阀的提升阀体，作为先导阀的滑阀体，其以从手动先导阀作为外部信号提供的先导压力动作，从而操作提升阀体以及具有过载溢流阀功能的小型阀芯。上述结构减少了设置在液压流体以大流量通过的流动通道中的部件的数量，并因此减小了压力损失。实现阀单元的总体尺寸和生产成本的进一步减小。

45. 发明授权

US5974796A Hydraulic circuit system for hydraulic working machine 失效
标题翻译：液压工程机液压回路系统
公开(公告)号：US5974796A
公开(公告)日：1999-11-02
申请号：US987709
申请日：1997-12-09
申请人： Kouji Ishikawa , Genroku Sugiyama , Tsukasa Toyooka , Tsuyoshi Nakamura
发明人： Kouji Ishikawa , Genroku Sugiyama , Tsukasa Toyooka , Tsuyoshi Nakamura
IPC分类号： F15B11/00 , E02F9/22 , F16D31/02
CPC分类号： E02F9/2225 , E02F9/2232 , E02F9/2235 , E02F9/2282 , E02F9/2285 , E02F9/2296
摘要： A regulator (20) comprises a servo piston 21 and a tilting control valve (22) which is made up of a spool (22a), a spring (22b), a control piston (22d) and a first pressure bearing chamber (22e). With these components, the regulator (20) controls a pump tilting such that a pump delivery rate is reduced as delivery pump pressure rises. The tilting control valve (22) also includes a second pressure bearing chamber (22f). When a gate-lock lever (31) is operated to switch over a lock valve (30), a flow control valve (6) is disabled from operating not to move even if a control lever (11a) is erroneously touched, and the machine is surely kept from coming into operation. At the same time, pilot primary pressure from a pilot pump (3) is introduced to the second pressure bearing chamber (22f) of the tilting control valve (22), causing the pump tilting to reduce down to a minimum tilting (q.sub.min). In the inoperative condition where the operator has no intention of carrying out work, it is thus possible to minimize the tilting of the hydraulic pump and reduce an energy loss.
摘要翻译：调节器（20）包括伺服活塞21和由阀芯（22a），弹簧（22b），控制活塞（22d）和第一压力承受室（22e）构成的倾转控制阀（22）。利用这些部件，调节器（20）控制泵倾斜，使得当输送泵压力升高时泵输送速率降低。倾斜控制阀（22）还包括第二承压室（22f）。当操作闸门（31）以切换锁定阀（30）时，即使控制杆（11a）被错误地接触，流量控制阀（6）也不能运行而不移动，并且机器一定不会运作。同时，将来自先导泵（3）的先导一次压力引入倾斜控制阀（22）的第二压力承受室（22f），使得泵倾斜减小到最小倾斜（qmin）。在操作者无意进行工作的不工作状态下，能够使液压泵的倾斜最小化，能够减少能量损失。

46. 发明授权

US5940997A Hydraulic circuit system for hydraulic working machine 有权
标题翻译：液压工程机液压回路系统
公开(公告)号：US5940997A
公开(公告)日：1999-08-24
申请号：US145158
申请日：1998-09-01
申请人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Kazunori Nakamura , Kouji Ishikawa , Tsuyoshi Nakamura
发明人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Kazunori Nakamura , Kouji Ishikawa , Tsuyoshi Nakamura
IPC分类号： E02F9/22
CPC分类号： E02F9/2267 , E02F9/2221 , E02F9/2232 , E02F9/2242 , E02F9/2271 , E02F9/2282 , E02F9/2285 , E02F9/2292 , E02F9/2296
摘要： A hydraulic circuit system includes a shuttle block, and shuttle valves are arranged and connected within the shuttle block. The maximum pressure in a predetermined operation signal pressure group selected from operation signal pressures generated by pilot operating units is selected to produce a control signal pressure within the shuttle block. The control signal pressure is output to control devices such as a track communicating valve, a swing brake cylinder, and regulators for hydraulic pumps.
摘要翻译：一个液压回路系统包括一个梭子块，并且梭阀布置并连接在梭子块内。从由先导操作单元产生的操作信号压力中选择的预定操作信号压力组中的最大压力被选择以产生梭模块内的控制信号压力。控制信号压力输出到诸如轨道连通阀，回转制动缸和液压泵调节器之类的控制装置。

47. 发明授权

US5813311A Hydraulic control system for hydraulic working machine 失效
标题翻译：液压作业机液压控制系统
公开(公告)号：US5813311A
公开(公告)日：1998-09-29
申请号：US771158
申请日：1996-12-20
申请人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Shigehiro Yoshinaga , Kouji Ishikawa , Youichi Kowatari , Tsuyoshi Nakamura
发明人： Tsukasa Toyooka , Toichi Hirata , Genroku Sugiyama , Shigehiro Yoshinaga , Kouji Ishikawa , Youichi Kowatari , Tsuyoshi Nakamura
IPC分类号： E02F9/20 , E02F9/22 , F15B11/16
CPC分类号： E02F9/2285 , E02F9/2228 , E02F9/2282
摘要： A controller 520 has a data portion 520c in which the relationship between a pump delivery pressure and a target opening area of a variable throttle 300a of a control valve 300 is set such that the target opening area is large when the pump delivery pressure is low, and small when the pump delivery pressure is high. An input portion 520a takes in a detection signal from a pump pressure sensor 700, a processing portion 520b reads the data from the data portion 520c and calculates a signal output to a solenoid proportional valve 590, and an output portion 520d converts the calculated signal into a command signal for the solenoid proportional valve 590 and outputs the command signal. Upon receiving the command signal from the controller 520, the solenoid proportional valve 590 produces a command pilot pressure for the control valve 300 corresponding to the input signal and controls the opening area of the variable throttle 300a.
摘要翻译：控制器520具有数据部分520c，其中泵输送压力和控制阀300的可变节流阀300a的目标开口面积之间的关系被设定为当泵输送压力低时目标开口面积大，并且当泵输送压力高时小。输入部分520a从泵压力传感器700接收检测信号，处理部分520b从数据部分520c读取数据，并计算输出到电磁比例阀590的信号，输出部分520d将计算出的信号转换成用于电磁比例阀590的命令信号并输出命令信号。电磁比例阀590从控制器520接收到指令信号时，根据输入信号产生控制阀300的指令先导压力，并控制可变节流阀300a的开度面积。

48. 发明授权

US5446979A Hydraulic circuit system for civil engineering and construction machines 失效
公开(公告)号：US5446979A
公开(公告)日：1995-09-05
申请号：US142366
申请日：1993-11-22
申请人： Genroku Sugiyama , Toichi Hirata
发明人： Genroku Sugiyama , Toichi Hirata
IPC分类号： E02F9/22 , F15B11/16 , F15B11/17 , F15B13/04 , G05D1/02
CPC分类号： F15B13/0403 , E02F9/2232 , E02F9/2239 , E02F9/2282 , E02F9/2292 , E02F9/2296 , F15B11/161 , F15B11/17 , F15B13/0418 , F15B2211/20553 , F15B2211/20576 , F15B2211/30555 , F15B2211/3116 , F15B2211/3127 , F15B2211/329 , F15B2211/351 , F15B2211/365 , F15B2211/40515 , F15B2211/428 , F15B2211/45 , F15B2211/6054 , F15B2211/6057 , F15B2211/6355 , F15B2211/7058 , F15B2211/7142 , F15B2211/78
摘要： The hydraulic circuit system for civil engineering and construction machines includes a first pressure adjusting device (130) arranged between first variable restrictors (107, 107a) of a left traveling directional control valve (47) and a first traveling motor (57) for controlling the pressure downstream of the first variable restrictors to a value corresponding to a first signal pressure and a second pressure adjusting device (133) arranged between second variable restrictors (108, 108a) of a right traveling directional control valve (49) and a second traveling motor (58) for controlling the pressure downstream of the second variable restrictors to a value corresponding to a second signal pressure. A shuttle valve (136) detects a higher one of load pressures of the first and second traveling motors as a maximum load pressure. When performing the combined operation in which the first and second traveling motors are driven with at least one of a plurality of working actuators (53-56) simultaneously, signal selection valves (131, 135, 170) are actuated so as to supply the maximum load pressure to the first and second pressure adjusting devices as the first and second signal pressures. Consequently, in a combined operation of traveling and performing other works, a communication circuit (110) is activated along with the operation of a working actuator whereby even if a hydraulic fluid supply circuit (104) of the second traveling directional control valve communicates with a hydraulic fluid supply circuit (103) of a first traveling directional control valve, the differential pressures across the first and second variable restrictors become almost the same, thereby achieving a stable straight traveling.

49. 发明授权

US5152143A Hydraulic drive system 失效
标题翻译：液压驱动系统
公开(公告)号：US5152143A
公开(公告)日：1992-10-06
申请号：US449848
申请日：1989-12-21
申请人： Yusuke Kajita , Toichi Hirata , Genroku Sugiyama
发明人： Yusuke Kajita , Toichi Hirata , Genroku Sugiyama
IPC分类号： E02F9/22 , F15B11/00 , F15B11/05
CPC分类号： E02F9/2246 , E02F9/2228 , E02F9/2235 , E02F9/2292 , E02F9/2296
摘要： A hydraulic drive system comprising a prime mover (21), a hydraulic pump (22) driven by the prime mover, a plurality of hydraulic actuators (23-28) driven by hydraulic fluid supplied from the hydraulic pump, a plurality of flow control valves (29-34) for controlling flow of the hydraulic fluid supplied to the actuators, and a plurality of pressure compensating valve (35-40) for controlling respective differential pressures across the respective flow control valves, in which each of the pressure compensating valves applies a control force (f-F.sub.c) in a valve opening direction for setting a target value of the differential pressure across the flow control valve. There are provided a first detector (60) for detecting the target rotational speed (N.sub.0) of the prime mover (21), and controllers (61, 62, 63) for controlling the control force on the basis of the target rotational speed detected by at least the first detector such that the control force (f-F.sub.c) decreases in accordance with a decrease in the target rotational speed.
摘要翻译： PCT No.PCT / JP89 / 00893 Sec。 371日期1989年12月21日第 102（e）1989年12月21日PCT PCT 1989年8月31日PCT公布。出版物WO90 / 02268 日本1990年8月3日。一种液压驱动系统，包括原动机（21），由原动机驱动的液压泵（22），多个液压致动器（23-28），由液压泵，用于控制供应到致动器的液压流体的流动的多个流量控制阀（29-34）和用于控制横跨各个流量控制阀的相应差压的多个压力补偿阀（35-40），其中每个压力补偿阀在阀打开方向上施加控制力（f-Fc），以设定跨过流量控制阀的差压的目标值。提供了用于检测原动机（21）的目标转速（N0）的第一检测器（60）和用于根据由原动机（21）检测到的目标转速控制控制力的控制器（61,62,63）至少第一检测器，使得控制力（f-Fc）根据目标转速的降低而减小。

50. 发明授权

US5152140A Pressure compensating valve spool positioned by difference in pressure receiving areas for load and inlet pressures 失效
标题翻译：压力补偿阀由压力接收区域负载和入口压力的差异定位
公开(公告)号：US5152140A
公开(公告)日：1992-10-06
申请号：US640440
申请日：1991-02-06
申请人： Toichi Hirata , Hideaki Tanaka , Genroku Sugiyama , Yusuke Kajita , Kazunori Nakamura
发明人： Toichi Hirata , Hideaki Tanaka , Genroku Sugiyama , Yusuke Kajita , Kazunori Nakamura
IPC分类号： E02F9/22 , F15B13/04
CPC分类号： F15B13/0417 , E02F9/2232 , E02F9/2296 , Y10T137/7858
摘要： A hydraulic drive system has a hydraulic pump (1), an actuator (2), a flow control valve (5) disposed between the hydraulic pump and the actuator, a pressure compensating valve (8; 8A; 8B) having a valve spool (23; 23A; 23B) that controls the differential pressure (Pz-PLS) across the flow control valve, and a pump delivery rate control device (9) for controlling a flow rate of the hydraulic fluid delivered from the hydraulic pump dependent on a differential pressure (Pd-PLS) between a pump pressure and a load pressure of the actuator. The pressure compensating valve has a first control chamber (30; 30A) subjected to the load pressure (PLS) of the actuator such that the load pressure acts on a first pressure receiving section (28; 28A) of the valve spool to urge the valve spool in the valve-opening direction, a second control chamber (29; 29A) subjected to the inlet pressure (Pz) of the flow control valve such that the inlet pressure acts on a second pressure receiving section (27; 27A) of the valve spool to urge the valve spool in the valve-closing direction, and a target differential pressure setting arrangement (31, 50, 51; 31B, 51) for urging the valve spool in the valve-opening direction. A damping capability to the actuator (2) is provided by setting pressure receiving area (Az) of the second pressure receiving section (27; 27A) to be greater than a pressure receiving area (ALS) of the first pressure receiving section (28; 28A).
摘要翻译： PCT No.PCT / JP90 / 01310 Sec。 371日期1991年2月6日 102（e）日期1991年2月6日PCT 1990年10月11日PCT PCT。出版物WO91 / 05958 日期：1991年5月2日。液压驱动系统具有液压泵（1），致动器（2），设置在液压泵和致动器之间的流量控制阀（5），压力补偿阀（8; 8A; 8B ）具有控制跨过流量控制阀的差压（Pz-PLS）的阀芯（23; 23A; 23B）和用于控制从所述流量控制阀输送的液压流体的流量的泵输送速率控制装置（9）液压泵取决于泵压力和执行器的负载压力之间的压差（Pd-PLS）。压力补偿阀具有受到致动器的负载压力（PLS）的第一控制室（30; 30A），使得负载压力作用在阀芯的第一压力接收部分（28; 28A）上，以推动阀阀门处于阀打开方向，第二控制室（29; 29A）经受流量控制阀的入口压力（Pz），使得入口压力作用在阀的第二压力接收部分（27; 27A）上阀芯沿阀关闭方向推压阀芯，以及用于沿阀打开方向推压阀芯的目标压差设定装置（31,50,51; 31B，51）。通过将第二受压部分（27; 27A）的压力接收面积（Az）设定为大于第一压力接收部分（28; 27）的受压面积（ALS）来提供致动器（2）的阻尼能力。 28A）。

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