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1. 发明授权

US12004453B2 Draper head with securing action for a height-adjustable reel 有权
公开(公告)号：US12004453B2
公开(公告)日：2024-06-11
申请号：US17064611
申请日：2020-10-07
申请人： Carl Geringhoff GmbH & Co. KG
发明人： Steffen Sudhues , Michael Pokriefke
IPC分类号： A01D57/04 , A01B63/00 , A01D34/24 , A01D41/127 , A01D41/14 , A01D57/20 , A01D69/00 , F16H61/4061 , F16H61/4139
CPC分类号： A01D57/04 , A01B63/002 , A01D34/246 , A01D41/1274 , A01D41/141 , A01D57/20 , A01D69/005 , F15B2211/20546 , F15B2211/20576 , F15B2211/30505 , F15B2211/3052 , F15B2211/5059 , F15B2211/6336 , F15B2211/7128 , F15B2211/7135 , F15B2211/7142 , F15B2211/8633 , F16H61/4061 , F16H61/4139
摘要： A harvester is provided with a draper head that has a frame extending substantially across a working width of the draper head. Cutting elements are arranged at a front side of the draper head and connected to the frame. Conveying surfaces and conveying members transport cut crop from the cutting elements to a discharge location of the draper head. A reel extends transversely to a working direction of the draper head across the working width of the draper head. Reel support arms are pivotably supported on the frame and support the reel. A hydraulic adjusting drive is operatively connected to the reel support arms to pivot the reel support arms to carry out a height adjustment of the reel. A hydraulic circuit is operatively connected to the hydraulic adjusting drive and has a hydraulic valve that is able to lock the hydraulic circuit.

2. 发明授权

US10844942B2 Power split and variable creep drive system for street sweeper or like specialty vehicle 有权
公开(公告)号：US10844942B2
公开(公告)日：2020-11-24
申请号：US15853225
申请日：2017-12-22
申请人： Federal Signal Corporation
发明人： Xiaolun Huang
IPC分类号： B60K25/06 , F16H47/04 , E01H1/05 , F16H61/00 , F16H37/06 , F16H61/4061 , B60K17/28 , B60W10/30 , F16H61/421
CPC分类号： F16H47/04 , B60K17/28 , B60K25/06 , B60W10/30 , E01H1/05 , F16H37/06 , F16H61/0009 , F16H61/4061 , F16H61/421 , F16H2200/20
摘要： A power split and creep drive system for street sweeper or like specialty vehicle having a single engine is disclosed. The system intends to retrofit and convert on-highway truck chassis into specialty vehicles capable of performing work function and moving at creeping speed, such as a street sweeper. It includes a hydraulic work circuit or power-take-off (PTO) port, a planetary gear set, a hydraulic system comprising pumps and motors to drive the working devices and balance the demand between propulsion and work function such as sweeping. The planetary gear set includes an input shaft connecting to a transmission output shaft of the chassis, a first output shaft connecting to a hydraulic machine, and a second output shaft to vehicle propulsion drive shaft.

3. 发明授权

US10626986B2 Hydraulic motor drive system for controlling high inertial load rotary components 有权
公开(公告)号：US10626986B2
公开(公告)日：2020-04-21
申请号：US15797893
申请日：2017-10-30
申请人： HydraForce, Inc.
发明人： David Ruxton
IPC分类号： F16H61/47 , F16H61/4008 , F16H61/4183 , A01D69/03 , F16H61/431 , A01D57/02 , F16H61/4061
CPC分类号： F16H61/47 , A01D69/03 , F16H61/4008 , F16H61/4183 , A01D57/02 , F16H61/4061 , F16H61/431
摘要： A hydraulic motor drive system controls the pressure of the hydraulic fluid delivered to a motor by a variable pressure source to control the rotation of a high inertial load rotary member driven by the motor. The speed of the motor and/or rotary component is monitored and changes in the speed are controlled by changing the pressure of the hydraulic fluid delivered to the motor.

4. 发明申请

US20180142782A1 OPEN HYDRAULIC FLUID FLOW CIRCUIT ARRANGEMENT AND METHOD OF CONTROLLING THE HYDRAULIC CIRCUIT 审中-公开
公开(公告)号：US20180142782A1
公开(公告)日：2018-05-24
申请号：US15818277
申请日：2017-11-20
申请人： Danfoss Power Solutions G.m.b.H & Co. OHG
发明人： Florian Lindinger , Sven Fink
IPC分类号： F16H61/46 , F16H61/4035 , F16H61/4061 , F16H61/4157 , F16H61/4017
CPC分类号： F16H61/46 , F16H39/02 , F16H61/4017 , F16H61/4035 , F16H61/4061 , F16H61/4148 , F16H61/4157 , F16H61/42 , F16H61/44
摘要： The invention relates to a fluid flow arrangement (1, 15) with an adjustable fluid pumping device (2) and a fluid working machine (12). The fluid working machine (12) is connected to the fluid pumping device (2) and a re-circulating loop is provided for the fluid working machine (12). The re-circulating loop is fluidly connecting a first fluid port (A) and a second fluid port (B) of the fluid working machine (12), where the first (A) and the second fluid port (B) are at times at a different pressure level. The re-circulating loop comprises a controllable fluid throttling device (21, 22), and a switchable fluid conduit device (23, 24), so that a defined decelerating force can be generated for the fluid working machine (12).

5. 发明授权

US09719531B2 Device for varying the volumes of a first hydraulic machine and a second hydraulic machine 有权
公开(公告)号：US09719531B2
公开(公告)日：2017-08-01
申请号：US14412216
申请日：2013-06-05
申请人： ZF Friedrichshafen AG
发明人： Jan-Frederik Kuhn , Timo Maise , Marcus Hiemer , Stephan Schinacher , Sven Bieber
IPC分类号： F15B11/16 , F15B13/06 , F15B21/00 , F16H61/421 , F16H61/431 , F16H61/4061 , F16H59/68
CPC分类号： F15B11/16 , F15B13/06 , F15B21/001 , F15B2211/253 , F15B2211/6333 , F15B2211/6652 , F16H61/4061 , F16H61/421 , F16H61/431 , F16H2059/6861
摘要： A device for varying the swept volumes of first and second hydraulic machines, whose swept volumes depends upon pivoting positions of adjustable axes thereof which can be connected to one another by first and second lines. The axes can be coupled to a piston-cylinder device which is adjustable by a control valve unit for pivoting the axes. Pressures in the area of the hydraulic machines can be limited by the control valve unit. The control valve unit can be coupled to a respective first or second line with the highest pressure. A device for determining an existing actual pressure is located upstream of the control valve unit, at least in the area of one of the first and the second lines that connects with the first and the second hydraulic machines. The control valve unit can be actuated based on the actual pressure value determined by the device.

6. 发明申请

US20170190249A1 LIQUID PRESSURE DRIVE SYSTEM 审中-公开
公开(公告)号：US20170190249A1
公开(公告)日：2017-07-06
申请号：US15325104
申请日：2015-06-24
申请人： KYB Corporation
发明人： Takanori INADA , Tetsuya IWANAJI
IPC分类号： B60K17/10 , F15B13/02 , F16H61/478 , F16H39/02 , F16H61/4017 , F16H61/4061 , F15B11/17 , F15B13/06
CPC分类号： B60K17/10 , F15B11/17 , F15B13/027 , F15B13/06 , F15B2211/20576 , F15B2211/25 , F16H39/02 , F16H61/4017 , F16H61/4061 , F16H61/478
摘要： A hydraulic drive system includes: a first hydraulic motor and a second hydraulic motor configured to be driven by working oils respectively discharged from a first hydraulic pump and a second hydraulic pump; a first pump control unit and a second pump control unit configured to control discharge volumes and discharge directions of the first hydraulic pump and the second hydraulic pump; a signal pressure generating unit configured to generate a signal pressure for adjusting command pressures to control the first pump control unit and the second pump control unit in accordance with the sum of discharge pressures of the first hydraulic pump and the second hydraulic pump; and a first pressure adjusting unit and a second pressure adjusting unit configured to adjust the command pressures in accordance with the signal pressure.

7. 发明申请

US20140208735A1 INFLATABLE DEVICE WITH RECESSED FLUID CONTROLLER AND SELF-SEALING VALVE 审中-公开
标题翻译：具有接收流体控制器和自密封阀的可充气装置
公开(公告)号：US20140208735A1
公开(公告)日：2014-07-31
申请号：US14242167
申请日：2014-04-01
申请人： Robert B. Chaffee
发明人： Robert B. Chaffee
IPC分类号： F16H61/4061
CPC分类号： F16H61/4061 , A47C27/082 , F16K15/202 , Y10T137/3584 , Y10T137/7839 , Y10T137/7876 , Y10T137/86019 , Y10T137/86027
摘要： A fluid controller comprising a housing separating an interior of the housing from an inflatable bladder is disclosed, the fluid controller including a plurality of valves fluidly coupling the interior of the housing to the inflatable bladder through a respective opening in the housing, a pump located at least partly within an interior of the housing, wherein the plurality of valves and respective orifices are configured to provide a fluid path between the interior of the housing and the inflatable bladder during inflation of the inflatable bladder, and wherein a valve and respective orifice is biased open to provide a fluid path between the interior of the housing and the inflatable bladder for fluid release.
摘要翻译：公开了一种流体控制器，其包括将壳体的内部与可膨胀气囊分离的壳体，流体控制器包括多个阀，其通过壳体中的相应开口将壳体的内部流体地连接到可充气气囊，泵位于至少部分地在所述壳体的内部中，其中所述多个阀和相应的孔被构造成在所述可膨胀气囊膨胀期间在所述壳体的内部和所述可膨胀气囊之间提供流体路径，并且其中阀和相应的孔被偏置打开以在壳体的内部和可充气气囊之间提供流体路径，用于流体释放。

8. 发明申请

US20140144129A1 WORK VEHICLE AND WORK VEHICLE CONTROL METHOD 有权
标题翻译：工作车辆和工作车辆控制方法
公开(公告)号：US20140144129A1
公开(公告)日：2014-05-29
申请号：US13823255
申请日：2012-09-04
申请人： Atsushi Shirao , Takahisa Oasa , Shinichi Kitao
发明人： Atsushi Shirao , Takahisa Oasa , Shinichi Kitao
IPC分类号： F15B15/20
CPC分类号： F15B15/20 , F16H61/4061 , F16H61/431 , F16H61/438
摘要： A pump displacement control cylinder is configured to control the displacement of a hydraulic pump according to pressure of hydraulic fluid and switches the discharge direction of the hydraulic fluid from the hydraulic pump according to the supply direction of the hydraulic fluid to the pump displacement control cylinder. A forward and backward progression switching valve is configured to switch the supply direction of the hydraulic fluid to the pump displacement control cylinder. A pressure control valve is configured to control the pressure of the hydraulic fluid supplied to the pump displacement control cylinder according to a command value input to the pressure control valve. A control section is configured to execute pump shuttle control which reduces the command value to the pressure control valve when switching between forward and backward progression using a forward and backward progression operation member.
摘要翻译：泵排量控制缸被配置为根据液压流体的压力来控制液压泵的排量，并且根据液压流体的供给方向将液压泵的排出方向从泵液位移控制缸切换。前进和后退进给切换阀构造成将液压流体的供给方向切换到泵排量控制缸。压力控制阀被配置为根据输入到压力控制阀的指令值来控制供给到泵排量控制缸的液压流体的压力。控制部分被配置为执行泵往复运动控制，当使用向前和向后进行操作部件切换前进和后退进程时，减少对压力控制阀的指令值。

9. 发明授权

US08122714B2 Variable hydraulic motor driving device 失效
标题翻译：可变液压马达驱动装置
公开(公告)号：US08122714B2
公开(公告)日：2012-02-28
申请号：US12298092
申请日：2007-05-01
申请人： Michiaki Yatabe
发明人： Michiaki Yatabe
IPC分类号： F15B11/02 , E02F9/22
CPC分类号： E02F9/2225 , E02F9/128 , F15B7/008 , F15B2211/7058 , F15B2211/75 , F16H61/4061 , F16H61/4148 , F16H61/4157 , F16H61/423
摘要： A hydraulic motor 11 is switched to a high-speed mode when pressure oil is supplied to a pressure chamber 23 of a tilt piston 17 based on the transmission of a speed signal to a high-low speed switching valve 18, and the hydraulic motor 11 is switched to a low-speed mode when pressure oil is discharged from the pressure chamber 23 of the tilt piston 17. A first braking purpose speed changing mechanism 13 operates so as to discharge pressure oil from the pressure chamber 23 of the tilt piston 17 when the pressure of pressure oil between a counterbalance valve 15 and a direction changeover valve 103 becomes equal to a tank pressure. Therefore, it is possible to provide a variable hydraulic motor driving device which is capable of preventing braking operation from being excessively long and also capable of preventing a large shock from occurring at a time of stoppage due to a large braking force generated from an early stage of braking operation.
摘要翻译：基于向低速切换阀18传递速度信号，向倾斜活塞17的压力室23供给压力油时，将液压马达11切换为高速模式，液压马达11 当压力油从倾斜活塞17的压力室23排出时，切换到低速模式。第一制动用变速机构13操作以便从倾斜活塞17的压力室23排出压力油时，平衡阀15和方向切换阀103之间的压力油的压力变得等于油箱压力。因此，可以提供一种能够防止制动操作过长的可变液压马达驱动装置，并且还能够防止由于从早期产生的大的制动力而在停止时产生大的冲击的制动操作。

10. 发明申请

US20110083753A1 INFLATABLE DEVICE WITH FLUID CONTROLLER AND SELF-SEALING VALVE 有权
标题翻译：具有流体控制器和自密封阀的可充气装置
公开(公告)号：US20110083753A1
公开(公告)日：2011-04-14
申请号：US12752732
申请日：2010-04-01
申请人： Robert B. Chaffee
发明人： Robert B. Chaffee
IPC分类号： F16K15/20
CPC分类号： F16H61/4061 , A47C27/082 , F16K15/202 , Y10T137/3584 , Y10T137/7839 , Y10T137/7876 , Y10T137/86019 , Y10T137/86027
摘要： A self-sealing valve comprises a valve housing having a fluid conduit, a valve seat, and a retaining member, the valve housing being configured to pass fluid through the fluid conduit, and a flexible diaphragm comprising a flexible material having resiliency, wherein the retaining member and the flexible diaphragm are configured so that the retaining member retains a portion of the flexible diaphragm so as to use the resiliency of the flexible material to bias the flexible diaphragm against the valve seat to a closed position of the self-sealing valve to provide a self-seal of the fluid conduit, and to facilitate movement of the flexible diaphragm under a fluid bias against a first side of the flexible diaphragm in a first direction away from the valve seat to an open position, and wherein the retaining member and the flexible diaphragm are configured so that the self-sealing valve can be contacted to move a portion of the flexible diaphragm away from the valve seat to the open position.
摘要翻译：自密封阀包括具有流体导管，阀座和保持构件的阀壳体，阀壳体构造成使流体流过流体导管，以及包括具有弹性的柔性材料的柔性隔膜，其中保持构件和柔性隔膜被构造成使得保持构件保持柔性隔膜的一部分，以便利用柔性材料的弹性将柔性隔膜抵靠阀座偏压到自密封阀的关闭位置，以提供所述流体导管的自密封件，以及促使所述柔性隔膜在流体偏压下朝着远离所述阀座的第一方向移动到所述柔性隔膜的第一侧至打开位置，并且其中所述保持构件和柔性膜片被构造成使得自密封阀可以接触以将柔性膜片的一部分从阀座移动到开放位置 n。

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