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1. 发明授权

US07640897B2 Fan design and method of operating 失效
标题翻译：风机设计及操作方法
公开(公告)号：US07640897B2
公开(公告)日：2010-01-05
申请号：US11937712
申请日：2007-11-09
申请人： Michael D. Gandrud , Chad J. Daniel , Simon L. Nielsen , Jeff L. Herrin
发明人： Michael D. Gandrud , Chad J. Daniel , Simon L. Nielsen , Jeff L. Herrin
IPC分类号： F01P7/10 , F01D1/24 , B60H1/00
CPC分类号： F04D25/166 , F01P5/02 , F01P2005/025 , F04D29/601
摘要： A method of cooling a radiator in an internal combustion engine wherein a plurality of fan assemblies is provided. Specifically, each fan assembly has a housing with an interior containing a fan blade and an exterior having six sides to form a hexagonal perimeter. The fan assemblies are then arranged side by side to form a cluster of fan assemblies in order to maximize the amount of fan assemblies that may be provided on an enclosure. The cluster of fan assemblies is then placed adjacent to a radiator to control the air flow over the radiator in order to cool the engine.
摘要翻译：一种在内燃机中冷却散热器的方法，其中设置有多个风扇组件。具体地，每个风扇组件具有壳体，其具有包含风扇叶片的内部和具有六个侧面的外部以形成六边形周边。然后将风扇组件并排布置以形成一组风扇组件，以便最大限度地提供可以设置在外壳上的风扇组件的数量。然后将风扇组件的集群放置在散热器附近以控制散热器上的空气流以冷却发动机。

2. 发明授权

US07111458B2 Electrical loop flushing system 失效
标题翻译：电循环冲洗系统
公开(公告)号：US07111458B2
公开(公告)日：2006-09-26
申请号：US10617990
申请日：2003-07-11
申请人： Michael D. Gandrud
发明人： Michael D. Gandrud
IPC分类号： F16D31/02
CPC分类号： F16H61/40 , F16H61/4104
摘要： A loop flushing circuit in a closed circuit hydraulic system has a variable displacement hydraulic pump that is fluidly connected to a hydraulic motor. The flushing flow in the closed circuit is controlled by an electronically proportional flow control valve. The electronically proportional flow control valve is controlled by a control that ensures that the control valve being used is connected to a low pressure side of the closed loop flushing circuit.
摘要翻译：闭路液压系统中的回路冲洗回路具有流体连接到液压马达的可变排量液压泵。封闭回路中的冲洗流量由电子比例流量控制阀控制。电子比例流量控制阀由控制器控制，确保所使用的控制阀连接到闭环冲洗回路的低压侧。

3. 发明授权

US06931847B1 Flow sharing priority circuit for open circuit systems with several actuators per pump 有权
标题翻译：每个泵具有多个执行器的开路系统的流量共享优先电路
公开(公告)号：US06931847B1
公开(公告)日：2005-08-23
申请号：US10793597
申请日：2004-03-04
申请人： Charles D. Throckmorton , Michael D. Gandrud , Jimmy W. Bolinger
发明人： Charles D. Throckmorton , Michael D. Gandrud , Jimmy W. Bolinger
IPC分类号： F15B11/16 , F16D31/02
CPC分类号： F15B11/162 , F15B2211/20546 , F15B2211/25 , F15B2211/40515 , F15B2211/40561 , F15B2211/426 , F15B2211/455 , F15B2211/50563 , F15B2211/57 , F15B2211/6054 , F15B2211/6055 , F15B2211/71 , F15B2211/781
摘要： A priority circuit is provided that is in communication with an open circuit pump and priority and auxiliary systems. The circuit comprises a first valve with an inlet in communication with the pump, an outlet in communication the priority system, and a load sensing inlet in communication with the priority system, wherein the first valve modulates to maintain a predetermined pressure differential between pressure at the load sensing inlet and pressure at the outlet. The circuit further comprises a second valve with an inlet in communication with the pump, an outlet in communication with the auxiliary system, and a load sensing inlet in communication with the priority system, wherein the second valve is normally closed and opens when pressure at the load sensing inlet of the second valve is less than pressure at the inlet of the second valve minus the predetermined pressure differential of the first valve.
摘要翻译：提供了与开路泵和优先级和辅助系统通信的优先级电路。电路包括具有与泵连通的入口的第一阀，与优先系统通信的出口以及与优先系统连通的负载感测入口，其中第一阀调节以保持预定压力差负载检测入口和出口压力。该电路还包括具有与泵连通的入口的第二阀，与辅助系统连通的出口以及与优先系统连通的负载感测入口，其中第二阀常闭，当压力在第二阀的负载检测入口小于第二阀的入口处的压力减去第一阀的预定压力差。

4. 发明授权

US08469677B1 Check valve pump with electric bypass valve 有权
标题翻译：带电旁路阀的止回阀
公开(公告)号：US08469677B1
公开(公告)日：2013-06-25
申请号：US11865243
申请日：2007-10-01
申请人： Michael D. Gandrud
发明人： Michael D. Gandrud
IPC分类号： F04B1/12 , F04B27/08
CPC分类号： F04B1/12 , F04B27/08
摘要： A hydraulic power unit having a power shaft that rotates a cam. The cam actuates a piston assembly that contains a plurality of pistons wherein each piston has a piston body and fluid working chamber. An electrically actuated bypass valve is fluidly connected and in communication between an outlet check valve and a fluid working chamber of each piston such that when actuated the electrically actuated bypass valve directs fluid away from the outlet port into a reservoir to be returned to an inlet port.
摘要翻译：具有使凸轮旋转的动力轴的液压动力单元。凸轮致动包括多个活塞的活塞组件，其中每个活塞具有活塞体和流体工作室。电动旁通阀流体连接并且在每个活塞的出口止回阀和流体工作室之间连通，使得当被致动时，电致动旁通阀将流体从出口引导到储存器中以返回到入口端口。

5. 发明授权

US07317290B2 Tandem battery powered inverter and method of implementing the same 失效
标题翻译：串联电池供电逆变器及其实现方法
公开(公告)号：US07317290B2
公开(公告)日：2008-01-08
申请号：US11025331
申请日：2004-12-29
申请人： Michael D Gandrud , Torben Frederiksen , Jeff Herrin
发明人： Michael D Gandrud , Torben Frederiksen , Jeff Herrin
IPC分类号： H02P1/54 , H02P5/00 , H02P5/46
CPC分类号： B66F9/24 , B60L11/005 , B60L2210/20 , H01L2224/49111 , H01L2224/49113 , H01L2224/49175 , Y02T10/646 , Y02T10/7022 , Y02T10/725
摘要： AC inverters that are electrically connected to a direct current source to convert the direct current source such that the transistor power module of an inverter can power a plurality of AC motors wherein the motors can be located remote from the inverters or within the inverter housings.
摘要翻译：交流逆变器，其电连接到直流电源以转换直流电源，使得逆变器的晶体管功率模块能够为多个AC电动机供电，其中电动机可以位于远离逆变器或逆变器壳体内。

6. 发明授权

US07316115B1 Means and method for controlling a hydromechanical transmission in dual mode 失效
标题翻译：在双模式下控制液压机械传动的方法和方法
公开(公告)号：US07316115B1
公开(公告)日：2008-01-08
申请号：US11029871
申请日：2005-01-05
申请人： Lynn T Jansen , Michael D. Gandrud
发明人： Lynn T Jansen , Michael D. Gandrud
IPC分类号： F16D31/02
CPC分类号： F16H61/0204 , B60Y2200/15 , F16H61/46 , F16H2059/0221 , F16H2300/14 , F16H2312/06
摘要： A system for operating a hydromechanical transmission having a movable input member that transmits a signal to a control unit that uses predefined logic to determine if a hydrostatic transmission should be in a first low speed mode that uses displacement control or if it should be in a second high speed mode that uses a power, torque, or speed control scheme.
摘要翻译：一种用于操作具有可移动输入构件的液压机械变速器的系统，其将信号发送到使用预定义逻辑的控制单元，以确定静液压变速器是否应当处于使用位移控制的第一低速模式，或者是否应当处于第二使用功率，转矩或速度控制方案的高速模式。

7. 发明授权

US07011113B2 Hydraulic cartridge valve solenoid coil for direct mount to a printed circuit board 失效
标题翻译：液压暗盒阀电磁线圈，用于直接安装到印刷电路板上
公开(公告)号：US07011113B2
公开(公告)日：2006-03-14
申请号：US10793164
申请日：2004-03-04
申请人： Michael D. Gandrud
发明人： Michael D. Gandrud
IPC分类号： F16K11/10
CPC分类号： F16K27/003 , F16K31/06 , H05K1/18 , Y10T137/87885
摘要： A hydraulic cartridge valve is provided that is moveably received within a manifold in fluid communication with a hydraulic unit, such as that which drives heavy machinery. The present invention comprises a solenoid coil secured to and operatively connected to the hydraulic cartridge valve. In addition, a circuit board is secured to and in electronic communication with the solenoid coil. A controller area network is electronically connected to the circuit board such that a computer controls the operation of the solenoid coil, thereby controlling the performance of the hydraulic cartridge valve. The solenoid coil is secured to the cartridge valve by a securing nut and has a plurality of pins for directly mounting the coil to the circuit board.
摘要翻译：提供液压千斤顶阀，其可移动地容纳在与液压单元流体连通的歧管内，例如驱动重型机械的液压单元。本发明包括固定到液压千斤顶阀并且可操作地连接到液压千斤顶阀的螺线管线圈。此外，电路板固定在电磁线圈上并与电磁线圈电子通信。控制器区域网络电连接到电路板，使得计算机控制电磁线圈的操作，从而控制液压插装阀的性能。螺线管线圈通过固定螺母固定到盒式阀上，并具有多个用于将线圈直接安装到电路板的销。

8. 发明授权

US06925892B2 Method and means for monitoring torque in a hydraulic power unit 失效
标题翻译：用于监测液压动力单元中的扭矩的方法和装置
公开(公告)号：US06925892B2
公开(公告)日：2005-08-09
申请号：US10738773
申请日：2003-12-17
申请人： Michael D Gandrud
发明人： Michael D Gandrud
IPC分类号： G01L3/10 , B62D5/07 , B66D1/40 , E02F9/20 , E02F9/22 , F01B3/02 , F01B25/00 , F04B49/00 , G01L3/00 , G01L3/02 , G01L3/04 , G01L3/12 , G01L3/14
CPC分类号： E02F9/22 , B60Y2400/307 , B66D1/40
摘要： The present invention is directed towards a hydraulic power unit including a housing, an internal hydraulic power means, an external hydraulic power means, and a mechanical power shaft associated with the hydraulic power means. In addition, the hydraulic power unit comprises a transducer adapted for measuring torque mounted in the housing in a non-contact relation to the mechanical power shaft adjacent a portion of the shaft imposed with a magnetic field. The hydraulic power unit further comprises a controller associated with the transducer to monitor the measured torque and adjust the operation of the hydraulic power unit accordingly.
摘要翻译：本发明涉及一种包括壳体，内部液压动力装置，外部液压动力装置和与液压动力装置相关联的机械动力轴的液压动力单元。此外，液压动力单元包括换能器，其适于以与磁场强制的轴的一部分相邻的与机械动力轴非接触的关系来测量安装在壳体中的扭矩。液压动力单元还包括与换能器相关联的控制器，以监测所测量的扭矩并相应地调节液压动力单元的操作。

9. 发明申请

US20090263258A1 VIBRATION DAMPENING MEDIA IN HYDRAULIC POWER UNITS 审中-公开
标题翻译：液压动力单元振动阻尼介质
公开(公告)号：US20090263258A1
公开(公告)日：2009-10-22
申请号：US11679280
申请日：2007-02-27
申请人： Michael D. Gandrud
发明人： Michael D. Gandrud
IPC分类号： F04B3/00
CPC分类号： F04B1/128 , F04B1/145 , F04B1/2064 , F04B53/001
摘要： A hydraulic power unit that uses a quantity of media within a cavity adjacent to and surrounding a hydraulic assembly in the housing of the hydraulic power unit to reduce the overall noise of the unit. Additionally, the cavity either seals the media from the moving parts of the hydraulic assembly or isolates the media from the moving parts of the hydraulic assembly to ensure damage to the hydraulic assembly does not result.
摘要翻译：一种液压动力单元，其在与液压动力单元的壳体内的液压组件相邻并且围绕的腔内使用一定量的介质，以减少该单元的整体噪声。此外，空腔可以将介质从液压组件的运动部件密封，或将介质与液压组件的运动部件隔离，以确保不会导致对液压组件的损坏。

10. 发明授权

US07594377B1 Means of adjusting ground speed of a vehicle based on load on blade assembly 失效
标题翻译：基于叶片组件上的载荷调整车辆的地面速度的方法
公开(公告)号：US07594377B1
公开(公告)日：2009-09-29
申请号：US11553497
申请日：2006-10-27
申请人： Lynn T. Jansen , Michael D. Gandrud
发明人： Lynn T. Jansen , Michael D. Gandrud
IPC分类号： A01D34/47
CPC分类号： A01D34/006 , A01D69/02
摘要： An assembly having a frame supported by a plurality of ground engaging wheels. Mounted to the frame is an operator control system that is connected to a controller that is powered by an electrical source. The controller is operatively connected to a blade assembly and a ground drive assembly and adjusts the ground speed of the assembly based upon the cutting load of the blade.
摘要翻译：一种具有由多个地面接合轮支撑的框架的组件。安装到框架上的是操作员控制系统，其连接到由电源供电的控制器。控制器可操作地连接到叶片组件和接地驱动组件，并且基于叶片的切割负载调整组件的地面速度。

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