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1. 发明申请

US20180306211A1 A HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING A HYDRAULIC SYSTEM 审中-公开
公开(公告)号：US20180306211A1
公开(公告)日：2018-10-25
申请号：US15769351
申请日：2015-10-19
申请人： NORRHYDRO OY
发明人： Ari SIPOLA , Mika SAHLMAN
IPC分类号： F15B11/00 , F15B11/036 , F15B1/027
CPC分类号： F15B11/006 , F15B1/027 , F15B11/036 , F15B11/0426 , F15B2211/20569 , F15B2211/20592 , F15B2211/212 , F15B2211/30575 , F15B2211/3144 , F15B2211/327 , F15B2211/40592 , F15B2211/7055 , F15B2211/76
摘要： A hydraulic system and a method comprising a linear actuator 23 for generating discrete sum forces, chambers A-D for generating discrete force components, at least two charging circuits 3,4 configured to maintain predetermined pressure levels of hydraulic fluid, independent control interfaces 9-16 configured to open and close connections of the first and second charging circuits to the chambers, and an electronic control unit 50 for controlling the control interfaces. At least two control interfaces are proportional valves which are used as shut-off valves and are independently switchable to the open and closed positions in a controlled manner. Moreover, non-throttled control and secondary control are implemented in the hydraulic system and the method.

2. 发明申请

US20180187702A1 HYDRAULIC MACHINE UNIT AND METHOD FOR OPERATING SUCH A MACHINE UNIT 审中-公开
公开(公告)号：US20180187702A1
公开(公告)日：2018-07-05
申请号：US15741334
申请日：2016-06-30
申请人： SMS group GmbH
发明人： Frank ZENSEN
IPC分类号： F15B11/032 , F15B1/24 , F15B11/20 , F15B13/02 , B21J9/12
CPC分类号： F15B11/0325 , B21J9/12 , B30B15/163 , F15B1/027 , F15B1/24 , F15B11/20 , F15B13/025 , F15B2211/20576 , F15B2211/212 , F15B2211/50554 , F15B2211/5158 , F15B2211/55 , F15B2211/6653 , F15B2211/6658 , F15B2211/7055 , F15B2211/7107 , F15B2211/76 , F15B2211/775
摘要： A hydraulic machine unit that can be operated with various working forces, in which working medium is selectively delivered, via a pump-piston accumulator system, to a main cylinder and at least one driving cylinder, wherein at least for one working stroke a pump system of the pump-piston accumulator system is used to provide working medium to a piston accumulator of the pump-piston accumulator system, and then at least for the working stroke at least the main cylinder is charged with a working pressure from the piston accumulator, and wherein at least for a return stroke the at least one driving cylinder is charged with a return stroke pressure from the pump-piston accumulator system, can be of structurally simple configuration if, at reduced working forces, the working pressure is reduced with respect to the piston accumulator pressure prevailing in the piston accumulator.

3. 发明申请

US20180155171A1 Clamp Force Control System for Lift Truck Attachment with Secondary Hydraulic Force Control Circuit 审中-公开
公开(公告)号：US20180155171A1
公开(公告)日：2018-06-07
申请号：US15367002
申请日：2016-12-01
申请人： Cascade Corporation
发明人： Christopher M. Walthers
IPC分类号： B66F9/18 , F15B11/032 , F15B11/16
CPC分类号： B66F9/183 , B66F9/22 , F15B3/00 , F15B11/028 , F15B11/032 , F15B11/161 , F15B2211/6303 , F15B2211/7107 , F15B2211/76
摘要： An improved hydraulic control system for a lift truck attachment having opposed clamp arms that selectively grip and release a load. The improved hydraulic system utilizes a secondary hydraulic force control circuit that increases the gripping force on the load independently of inward movement of the clamp arms.

4. 发明授权

US09752512B2 Actuator control device 有权
公开(公告)号：US09752512B2
公开(公告)日：2017-09-05
申请号：US14849126
申请日：2015-09-09
申请人： IHI Corporation
发明人： Hiroyuki Furukawa , Takafumi Imazu
IPC分类号： F15B11/16 , F02C9/20
CPC分类号： F02C9/20 , F15B11/16 , F15B2211/6336 , F15B2211/7107 , F15B2211/76
摘要： An actuator control device detects a displacement of a piston in a first actuator, controls the first actuator by feedback control, measures both of forces generated in first and second actuators, corrects a target position command value for a piston in the second actuator in accordance with an amount of imbalance between the forces, and controls the second actuator in accordance with the difference between the corrected command value and a feedback value of a displacement position of the second piston.

5. 发明申请

US20170191505A1 Discretized Valve State Control For Multi-Level Hydraulic Systems 审中-公开
公开(公告)号：US20170191505A1
公开(公告)日：2017-07-06
申请号：US15465415
申请日：2017-03-21
申请人： Google Inc.
发明人： Michael Murphy , John Aaron Saunders , Steven D. Potter
IPC分类号： F15B11/18 , B25J9/14 , G05D1/02 , B62D57/032 , F15B11/16
CPC分类号： F15B11/18 , B25J9/14 , B25J9/20 , B60Y2400/406 , F15B11/161 , F15B11/162 , F15B11/17 , F15B2211/20592 , F15B2211/212 , F15B2211/30585 , F15B2211/40515 , F15B2211/41527 , F15B2211/41545 , F15B2211/455 , F15B2211/50 , F15B2211/605 , F15B2211/6306 , F15B2211/6313 , F15B2211/6336 , F15B2211/665 , F15B2211/6653 , F15B2211/6654 , F15B2211/7051 , F15B2211/71 , F15B2211/7107 , F15B2211/76 , F15B2211/765 , F15B2211/78 , G05D1/021 , G05D16/2013
摘要： An actuation pressure to actuate one or more hydraulic actuators may be determined based on a load on the one or more hydraulic actuators of a robotic device. Based on the determined actuation pressure, a pressure rail from among a set of pressure rails at respective pressures may be selected. One or more valves may connect the selected pressure rail to a metering valve. The hydraulic drive system may operate in a discrete mode in which the metering valve opens such that hydraulic fluid flows from the selected pressure rail through the metering valve to the one or more hydraulic actuators at approximately the supply pressure. Responsive to a control state of the robotic device, the hydraulic drive system may operate in a continuous mode in which the metering valve throttles the hydraulic fluid such that the supply pressure is reduced to the determined actuation pressure.

6. 发明申请

US20170072520A1 SCREW SYSTEM 审中-公开
标题翻译：螺丝系统
公开(公告)号：US20170072520A1
公开(公告)日：2017-03-16
申请号：US15309071
申请日：2015-04-30
申请人： WEBER SCHRAUBAUTOMATEN GmbH
发明人： Franz Kroll
IPC分类号： B23P19/00 , F15B11/032 , F15B11/072 , B23P19/06
CPC分类号： B23P19/006 , B23P19/06 , B23P19/065 , B25B21/00 , B25B21/002 , F15B11/0325 , F15B11/0725 , F15B2211/76
摘要： The invention relates to a screw system for carrying out screwing operations, in particular automatically, with a screwing tool and a feed device having a pneumatic feed cylinder by means of which the screwing tool is movable in a feed direction in order to be brought into engagement with a screw and to drive the latter into components to be screwed together with a first feed force during a screwing operation.
摘要翻译：本发明涉及一种用于执行螺旋操作的螺杆系统，特别是用螺纹工具和具有气动进料圆筒的进料装置自动进行的螺杆系统，通过该气动进给圆筒，螺纹工具可以在进给方向上移动以便进入接合在螺旋操作期间用螺钉驱动后者进入组件以用第一进给力拧紧在一起。

7. 发明授权

US09458864B2 Hydraulic drive circuit 有权
标题翻译：液压驱动电路
公开(公告)号：US09458864B2
公开(公告)日：2016-10-04
申请号：US14241411
申请日：2013-07-23
申请人： The Ritsumeikan Trust , Mori Kogyo Co., Ltd.
发明人： Sang-Ho Hyon , Harutsugu Mizui , Etsuhiro Mori
IPC分类号： F15B13/02 , F15B11/17 , F15B13/04 , F15B7/00
CPC分类号： F15B13/021 , F15B7/006 , F15B11/17 , F15B13/0401 , F15B2211/20515 , F15B2211/20561 , F15B2211/20569 , F15B2211/20576 , F15B2211/27 , F15B2211/30565 , F15B2211/30575 , F15B2211/3058 , F15B2211/31558 , F15B2211/327 , F15B2211/7054 , F15B2211/75 , F15B2211/76
摘要： A hydraulic drive circuit is provided that can achieve high responsiveness, high precision, and high efficiency at a low cost in a hydraulic drive system popularly used in an industrial machine such as a press machine, a construction machine, and the like.A hydraulic drive circuit 1 supplies pressured liquid discharged from a main hydraulic pump P to drive a hydraulic actuator 2, and includes a first valve 4 arranged in a main flow line 3 that circulates pressured liquid discharged from the main hydraulic pump P to the hydraulic actuator 2, a second valve 5 to return the pressured liquid flowing into one liquid chamber of the hydraulic actuator 2 and discharged from the other liquid chamber to a tank T, and a sub-hydraulic pump 7 that is arranged between the main hydraulic pump P and the drive direction control valve 4 and uses the pressured liquid flowing in a branched flow line 6 branched from the main flow line 3 to increase a pressure and a volume of the hydraulic liquid in the main flow line 3 by predetermined quantities, respectively.
摘要翻译：液压驱动电路1供给从主液压泵P排出的加压液体来驱动液压致动器2，并且包括配置在主流路3中的第一阀4，该主流路3将从主液压泵P排出的加压液体循环到液压致动器如图2所示，第二阀5将流入液压致动器2的一个液体室的加压液体返回到另一个液体室排出到罐T;副液压泵7，其配置在主液压泵P和驱动方向控制阀4，并使用从主流路3分支的分支流路线6中流动的加压液体，分别将主流路3中的液压液体的压力和体积分别增加预定量。

8. 发明授权

US09358990B2 Railcar damping device 有权
标题翻译：轨道减震装置
公开(公告)号：US09358990B2
公开(公告)日：2016-06-07
申请号：US14127896
申请日：2012-06-19
申请人： Takayuki Ogawa , Jun Aoki , Masaru Uchida
发明人： Takayuki Ogawa , Jun Aoki , Masaru Uchida
IPC分类号： F16F9/34 , B61F5/24 , F15B21/00 , F16F15/027
CPC分类号： B61F5/24 , B61F5/245 , F15B21/008 , F15B2211/3058 , F15B2211/31558 , F15B2211/6303 , F15B2211/6651 , F15B2211/6653 , F15B2211/7053 , F15B2211/76 , F16F15/027
摘要： A railcar damping device includes: a tank storing a liquid; a first opening/closing valve provided in a first passage connecting a rod side chamber to a piston side chamber, which are defined by a piston, to be capable of opening and closing the first passage; a second opening/closing valve provided in a second passage connecting the piston side chamber to the tank to be capable of opening and closing the second passage; and a pump that is driven to rotate at a predetermined normal rotation speed in order to supply the liquid from the tank to the rod side chamber, wherein a rotation speed of the pump is reduced when a thrust command value is smaller than a normal lower limit value, which is a lower limit value of a thrust that can be generated by the actuator when the pump is rotated at the normal rotation speed.
摘要翻译：轨道车辆阻尼装置包括：储存液体的罐; 第一开闭阀，设置在第一通道中，第一通道将杆侧室连接到由活塞限定的活塞侧室，以能够打开和关闭第一通道; 第二开闭阀，设置在将活塞侧室连接到罐的第二通道中，以能够打开和关闭第二通道; 以及被驱动以预定的正常转速旋转以便将液体从罐供应到杆侧室的泵，其中当推力指令值小于正常下限时泵的转速减小值，其是当泵以正常旋转速度旋转时由致动器产生的推力的下限值。

9. 发明申请

US20140352524A1 Proportional Servo Hydraulic Control Valve 审中-公开
标题翻译：比例伺服液压控制阀
公开(公告)号：US20140352524A1
公开(公告)日：2014-12-04
申请号：US14218250
申请日：2014-03-18
申请人： Patrick Michael Mullen
发明人： Patrick Michael Mullen
IPC分类号： F15B13/02
CPC分类号： F15B13/0444 , F15B13/0406 , F15B2211/327 , F15B2211/6313 , F15B2211/6336 , F15B2211/665 , F15B2211/76 , F15B2211/7656
摘要： A system has an actuator having a rotor or a linear piston, and ports for hydraulic fluid, an electro-mechanical sensor sensing position of the rotor or linear piston, a valve having a 1 plug in a bore of a valve body, the plug having cross bores aligning with passages within the valve body communicating inlet and outlet ports depending on relative position of the plug in the bore of the valve body, a servo motor to move the plug around or along the axis to different positions to align individual ones of the cross bores with individual ones of the passages communicating with individual ones of the ports, and a programmable controller coupled to the electro-mechanical sensor and to the servo motor, the controller enabled to control the servo motor to accomplish programmed movement and position of the rotor or linear piston of the hydraulically-driven actuator.
摘要翻译：系统具有致动器，其具有转子或线性活塞，以及用于液压流体的端口，感测转子或线性活塞的位置的机电传感器，具有阀体的孔中的1个插塞的阀，所述插头具有十字孔与阀体内的通道对准，其连通入口和出口端口，这取决于塞子在阀体孔中的相对位置，伺服马达将塞子围绕或沿轴线移动到不同的位置，交叉孔与单个端口中的单独通道通信，以及耦合到机电传感器和伺服电动机的可编程控制器，所述控制器能够控制伺服电动机以完成编程的运动和转子的位置或液压驱动致动器的直线活塞。

10. 发明申请

US20140326129A1 Methods and Apparatus for Adjusting Actuator Output Torques 有权
标题翻译：调节执行器输出扭矩的方法和装置
公开(公告)号：US20140326129A1
公开(公告)日：2014-11-06
申请号：US13887079
申请日：2013-05-03
申请人： Emerson Process Management, Valve Automation., Inc
发明人： Edwin Schreuder , Harry Hobert
IPC分类号： F15B15/22
CPC分类号： F15B15/226 , F15B15/065 , F15B2211/76 , F16K31/1635 , Y10T29/49229
摘要： Methods and apparatus for changing actuator output torques are disclosed. An example method includes decoupling a first end cap from a body of an actuator. A first spring assembly is positioned within a first outer chamber defined by the first end cap and the body. A first end of the first spring assembly is positioned adjacent a surface of a first piston. A second end of the first spring assembly is positioned adjacent the first end cap when the first end cap is coupled to the body. The method includes positioning a first spacer within the first outer chamber and coupling the first end cap to the body. The first spacer changes a distance between the first and second ends of the first spring assembly when the first end cap is coupled to the body to change an output torque of the actuator.
摘要翻译：公开了用于改变致动器输出转矩的方法和装置。示例性方法包括将第一端盖与致动器的本体脱离。第一弹簧组件定位在由第一端盖和主体限定的第一外室内。第一弹簧组件的第一端邻近第一活塞的表面定位。当第一端盖联接到主体时，第一弹簧组件的第二端定位成邻近第一端盖。该方法包括将第一间隔件定位在第一外室内并且将第一端盖连接到主体。当第一端盖联接到主体以改变致动器的输出扭矩时，第一间隔件改变第一弹簧组件的第一和第二端之间的距离。

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