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21. 发明授权

US06824067B2 Method of cooling engine coolant flowing through a radiator 失效
标题翻译：冷却流经散热器的发动机冷却液的冷却方法
公开(公告)号：US06824067B2
公开(公告)日：2004-11-30
申请号：US10390433
申请日：2003-03-17
申请人： Robert D. Kern , Gerald C. Ruehlow , Bret Baird , Allen Gillette
发明人： Robert D. Kern , Gerald C. Ruehlow , Bret Baird , Allen Gillette
IPC分类号： F01P704
CPC分类号： F16H57/04 , F01P5/02 , F01P11/12 , F01P2060/16 , F02B63/04 , H02K7/1815 , H02K9/02 , H02K16/00
摘要： A method is provided for facilitating the cooling of engine coolant flowing through a radiator operatively connected to the engine. The method includes the steps of monitoring the temperature of the engine coolant flowing through the radiator and positioning a fan adjacent the radiator. The fan is initially rotated at a predetermined speed. Thereafter, the speed of the fan is varied in response to the temperature of the engine coolant.
摘要翻译：提供了一种用于促进冷却流过可操作地连接到发动机的散热器的发动机冷却剂的方法。该方法包括以下步骤：监测流经散热器的发动机冷却液的温度，并将风扇定位在散热器附近。风扇最初以预定的速度旋转。此后，风扇的速度响应于发动机冷却剂的温度而变化。

22. 外观设计

USD479721S1 Engine cover 失效
公开(公告)号：USD479721S1
公开(公告)日：2003-09-16
申请号：US29172377
申请日：2002-12-10
申请人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu
设计人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu

23. 外观设计

USD479244S1 Engine cover 失效
公开(公告)号：USD479244S1
公开(公告)日：2003-09-02
申请号：US29172378
申请日：2002-12-10
申请人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu
设计人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu

24. 发明授权

US06443130B1 Fuel demand regulator 有权
标题翻译：燃油需求调节器
公开(公告)号：US06443130B1
公开(公告)日：2002-09-03
申请号：US09749363
申请日：2000-12-27
申请人： Chris Turner , Robert D. Kern , Gerald C. Ruehlow , Jeff Vranak , Dawei Chen
发明人： Chris Turner , Robert D. Kern , Gerald C. Ruehlow , Jeff Vranak , Dawei Chen
IPC分类号： F02M4100
CPC分类号： F02M21/0239 , F02M21/0212 , F02M21/0215 , F02M21/0233 , Y02T10/32
摘要： A fuel regulator is provided for regulating the supply of fuel to a multi-cylinder engine. The regulator includes a regulator body defining a holding chamber connectable to a fuel source; a first supply chamber connectable to a first cylinder of the multi-cylinder engine; and a second supply chamber connectable to a second cylinder of the multi-cylinder engine. Orifices are provided between the supply chambers and the holding chamber. A first regulating structure is movable between a closed position wherein the orifice between the holding chamber and the first supply chamber is closed and an open position wherein the orifice between the holding chamber and the supply chamber is open in response to the fuel demanded by the first cylinder of the multi-cylinder engine. A second regulating structure is also movable between a closed position wherein the orifice between the holding chamber and the second supply chamber is closed and an open position wherein the orifice between the holding chamber and the second supply chamber is opened in response to the fuel demanded by the second cylinder of the engine.
摘要翻译：提供了一种用于调节向多气缸发动机供应燃料的燃料调节器。调节器包括限定可连接到燃料源的保持室的调节器主体; 可连接到所述多气缸发动机的第一气缸的第一供应室; 以及可连接到多缸发动机的第二气缸的第二供应室。在供给室和保持室之间设置有孔。第一调节结构可在关闭位置和关闭位置之间移动，在关闭位置，其中保持室和第一供应室之间的孔关闭，并且打开位置，其中保持室和供应室之间的孔响应于第一多缸发动机气缸。第二调节结构还可以在闭合位置之间移动，在关闭位置，其中保持室和第二供应室之间的孔关闭，并且打开位置，其中保持室和第二供应室之间的孔响应于由发动机的第二缸。

25. 发明授权

US06365982B1 Apparatus and method for positioning an engine throttle 失效
标题翻译：用于定位发动机节气门的装置和方法
公开(公告)号：US06365982B1
公开(公告)日：2002-04-02
申请号：US09281255
申请日：1999-03-30
申请人： Robert Iles , Robert D. Kern , Michael T. Orlikowski , Gerald C. Ruehlow , Bijun Shi , Francis X. Wedel
发明人： Robert Iles , Robert D. Kern , Michael T. Orlikowski , Gerald C. Ruehlow , Bijun Shi , Francis X. Wedel
IPC分类号： F02N1106
CPC分类号： H02P9/04 , F02D41/0205 , F02D41/083
摘要： A method for controlling the speed of an engine driving a generator supplying electrical current to a load includes the steps of monitoring the current, increasing the speed when the current increases and decreasing the speed when the current decreases. The governor apparatus used to carry out the method includes a microcontroller having a current and frequency look-up table embedded in it. For some part of the monitoring step, the engine runs at a first speed, e.g., idle speed, or some moderate speed above idle speed. The increasing step includes detecting an increase in the current to a value, determining from the look-up table the frequency corresponding to the value and increasing the speed of the engine until the frequency of the current is the frequency corresponding to the value. To state it in other words, the new method and apparatus control the engine at a modest speed when the generator is unloaded or lightly loaded and increases engine speed and current frequency with increases in generator load.
摘要翻译：用于控制向负载提供电流的发电机驱动发动机的速度的方法包括监视电流的步骤，当电流增加时增加速度，并且当电流减小时降低速度。用于执行该方法的调速器装置包括具有嵌入其中的电流和频率查找表的微控制器。对于监测步骤的某些部分，发动机以第一速度（例如空转速度）或高于怠速速度的中等速度运行。增加步骤包括检测电流增加到一个值，从查找表中确定与该值对应的频率并增加发动机的速度，直到电流的频率是与该值对应的频率。换句话说，当发电机卸载或轻载时，新的方法和装置以适度的速度控制发动机，并随着发电机负载的增加而提高发动机转速和电流频率。

26. 发明授权

US06181028B2 Transfer mechanism for transferring power between a utility source and a stand-by generator 有权
标题翻译：用于在公用电源和待机发电机之间传输电力的传送机构
公开(公告)号：US06181028B2
公开(公告)日：2001-01-30
申请号：US09377722
申请日：1999-08-19
申请人： Robert D. Kern , Gerald C. Ruehlow , Francis X. Wedel , Jeffrey J. Jonas , John G. Bagley , Steven J. Wilcox
发明人： Robert D. Kern , Gerald C. Ruehlow , Francis X. Wedel , Jeffrey J. Jonas , John G. Bagley , Steven J. Wilcox
IPC分类号： H02J714
CPC分类号： H02J9/06 , H02J9/08 , H02J2009/068 , Y10T307/615
摘要： A transfer mechanism is provided for transferring the supply of power between a generator and utility source. The transfer mechanism includes a monitoring system for monitoring the power supplied by the utility source. The monitoring system starts the generator in response to a power outage from the utility source and stops the generator in response to the restoration of power from the utility source. A power relay has a utility input connectable to the utility source, a generator input connectable to the generator, an output connectable to a load, and a movable contact for selectively interconnecting one of the inputs to the output in response to the generation of power by the generator.
摘要翻译：提供了一种用于在发电机和公用电源之间传递电力供应的传送机构。传送机构包括用于监测由公用电源提供的电力的监视系统。监控系统响应于来自公用电源的停电而启动发电机，并且响应于来自公用电源的电力的恢复而停止发电机。电力继电器具有可连接到公用电源的实用输入，可连接到发电机的发电机输入端，可连接到负载的输出端和可动触点，用于响应于功率的产生而选择性地将输入中的一个与输出相互连接发电机。

27. 发明授权

US6045448A Power-transmitting drive assembly with improved resilient devices 失效
标题翻译：动力传动驱动组件，具有改进的弹性装置
公开(公告)号：US6045448A
公开(公告)日：2000-04-04
申请号：US13124
申请日：1998-01-26
申请人： Robert D. Kern , Andrew B. Robson , Gerald C. Ruehlow
发明人： Robert D. Kern , Andrew B. Robson , Gerald C. Ruehlow
IPC分类号： F16D3/68
CPC分类号： F16D3/68 , Y10T29/49462 , Y10T29/49474 , Y10T29/49893
摘要： A drive assembly couples a driving mechanism, e.g., an engine, and a driven mechanism, e.g., a generator, to one another. The assembly includes a transmission member having a plurality of inwardly projecting fingers and a coupling having a plurality of outwardly directed projections interdigitated with the fingers. The projections include first and second projections which define a notch between them. A finger extends into the notch, thereby forming first and second pockets between the finger and the first and second projections, respectively. In the improvement, the first and second resilient devices are received in the first and second pockets, respectively. Each resilient device includes at least one spur projecting from it to prevent substantial rotation of the device in its pocket. In a more specific embodiment, alternating pairs of resilient devices are made, respectively, of natural rubber for good shock absorption and Buna N for resisting the harmful effects of oil.
摘要翻译：驱动组件将例如发动机的驱动机构和例如发电机的从动机构彼此联接。组件包括具有多个向内突出的指状物的传动构件和具有与指状物相互指向的多个向外指向的突出部的联接器。突起包括在它们之间限定凹口的第一和第二突起。手指延伸到凹口中，从而分别在手指与第一和第二突起之间形成第一和第二凹穴。在改进中，第一和第二弹性装置分别容纳在第一和第二袋中。每个弹性装置包括从其突出的至少一个刺齿，以防止装置在其口袋中的大量旋转。在更具体的实施例中，分别制成交替的弹性装置对，其具有天然橡胶以获得良好的减震效果，并且用于抵抗油的有害影响的Buna N。

28. 发明授权

US5914467A Automatic transfer switch with improved positioning mechanism 失效
标题翻译：自动转换开关具有改进的定位机制
公开(公告)号：US5914467A
公开(公告)日：1999-06-22
申请号：US909142
申请日：1997-08-11
申请人： Jeffery J. Jonas , Robert D. Kern , Gerald C. Ruehlow
发明人： Jeffery J. Jonas , Robert D. Kern , Gerald C. Ruehlow
IPC分类号： H01H9/26 , H01H9/20
CPC分类号： H01H9/26 , H01H2009/0083 , H01H2300/018 , Y10T307/615
摘要： Disclosed is an automatic transfer switch (ATS) having "operate," "test" and "isolate" positions for the switch per se. A handle selects one of the positions and a mechanical linkage couples the ATS and the handle to one another. In the improvement, the linkage has first and second members for applying motive force to the switch. The mechanical linkage has first and second rotary driver devices in engagement with the first and second members, respectively, thereby providing redundant switch-positioning mechanisms. The new ATS may be combined with a bypass switch having "normal," "auto" and "emergency" contact positions. A switch interlock linkage extends between the transfer switch and the bypass switch and includes a bypass plate and a transfer plate coupled to one another by a bar. The bypass switch includes a pivot-mounted first bypass interlock member obstructing substantial movement of the bypass plate when the bypass switch electrical contacts are in the "normal" position. And the transfer switch includes a pivot-mounted first transfer interlock member obstructing substantial movement of the transfer plate when the transfer switch electrical contacts are in the "emergency" position.
摘要翻译：公开了一种具有用于开关本身的“操作”，“测试”和“隔离”位置的自动转换开关（ATS）。手柄选择一个位置，机械连杆将ATS和手柄彼此连接起来。在改进中，连杆具有用于向开关施加动力的第一和第二构件。机械联动装置具有分别与第一和第二构件接合的第一和第二旋转驱动装置，从而提供冗余的开关定位机构。新的ATS可以与具有“正常”，“自动”和“紧急”联系位置的旁路开关组合。开关互锁联动装置在转换开关和旁路开关之间延伸，并且包括旁路板和通过杆彼此连接的转印板。旁路开关包括枢轴安装的第一旁路互锁构件，当旁路开关电触点处于“正常”位置时，阻挡旁路板的实质运动。并且转印开关包括枢转安装的第一转印互锁构件，当转印开关电触点处于“紧急”位置时，阻挡转印板的实际运动。

29. 发明授权

US5902094A Flow control valve for a pressure washer 失效
标题翻译：用于压力清洗机的流量控制阀
公开(公告)号：US5902094A
公开(公告)日：1999-05-11
申请号：US780406
申请日：1997-01-09
申请人： Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann , Fred Yang
发明人： Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann , Fred Yang
IPC分类号： F04B49/03 , F04B49/22
CPC分类号： B08B3/026 , F04B49/03 , F04B2205/16 , Y10T137/7929 , Y10T137/7937
摘要： A pressure washer is powered by a prime mover, e.g., an electric motor or an internal combustion engine, and has a flow control valve. The valve has a housing containing a piston assembly and the assembly has a mechanism coupled to it for controlling prime mover power. The piston assembly includes a first piston sealing against the housing and dividing the housing interior into two chambers. Such first piston is spring-biased to a first position during periods when no output flow is being demanded from the washer. The assembly also has a second piston spring-biased to seal against the first piston during periods of no flow. When flow is demanded by opening the nozzle, the pressure in the second chamber diminishes. And when the difference between the pressure in the second chamber and that in the first chamber exceeds a predetermined value, the assembly shifts to a second position, causing the mechanism to actuate the prime mover.
摘要翻译：压力清洗机由原动机（例如电动马达或内燃机）驱动，并具有流量控制阀。阀具有包含活塞组件的壳体，并且该组件具有联接到其上的机构，用于控制原动机功率。活塞组件包括密封抵靠壳体并将壳体内部分成两个室的第一活塞。在不需要从洗衣机输出流量的期间，这样的第一活塞被弹簧偏压到第一位置。组件还具有第二活塞弹簧，其在没有流动的时段期间被偏压以抵靠第一活塞密封。当通过打开喷嘴要求流动时，第二室中的压力减小。并且当第二室中的压力与第一室中的压力之间的差超过预定值时，组件移动到第二位置，使机构致动原动机。

30. 发明授权

US5890413A Piston for water pump and related method 失效
标题翻译：活塞式水泵
公开(公告)号：US5890413A
公开(公告)日：1999-04-06
申请号：US780520
申请日：1997-01-08
申请人： Don Bayer , Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann
发明人： Don Bayer , Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann
IPC分类号： B23P11/02 , F04B1/12 , F04B53/16 , F01B3/00
CPC分类号： F04B53/164 , B23P11/025 , F04B1/124
摘要： Disclosed is a piston for a water pump, e.g., a pressure washer pump. The piston includes a piston body and a piston head and in the improvement, the piston body is solid, homogeneous ceramic. That is, the piston body has a generally cylindrical surface and the body is circumscribed by the surface and is homogeneous ceramic. A method for making a piston for a water pump includes the steps of providing a piston body made of a ceramic material, and making a piston head of steel and having a pocket formed therein. The head is heated, the pocket and the body are engaged in overlapping relationship and the head is allowed to cool and "shrink-fit" to the piston body. The piston head is formed to have a relief groove circumscribing the pocket for reducing compression forces resulting from such cooling.
摘要翻译：公开了一种用于水泵的活塞，例如压力清洗泵。活塞包括活塞体和活塞头，在改进中，活塞体是固体均匀的陶瓷。也就是说，活塞体具有大致圆柱形的表面，并且主体被表面限定并且是均匀的陶瓷。一种制造水泵活塞的方法，包括以下步骤：提供由陶瓷材料制成的活塞体，并制成钢制的活塞头，其中形成有凹穴。头部被加热，口袋和主体以重叠的关系接合，头部被冷却并且“收缩配合”到活塞体上。活塞头形成为具有围绕口袋的减压槽，以减少由于这种冷却产生的压缩力。

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