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公开(公告)号：US5914467A
公开(公告)日：1999-06-22
申请号：US909142
申请日：1997-08-11
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。
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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
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。
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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
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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公开(公告)号：US5797540A
公开(公告)日：1998-08-25
申请号：US789695
申请日：1997-01-27
申请人： Robert D. Kern
发明人： Robert D. Kern
CPC分类号： F16D3/68 , Y10T29/49462 , Y10T29/49474 , Y10T29/49893
摘要： A method for making a power-transmitting coupling including the steps of forming first and second "half-shell" coupling components, each of which has an edge around the component cavity and also has a number of radially-outwardly-extending projections. The components are supported on a hub in edge-contacting relationship to one another and then such components are joined to one another and to the hub. A new power-transmitting coupling is also disclosed.
摘要翻译： 一种用于制造动力传递联接器的方法，包括形成第一和第二“半壳”联接部件的步骤，每个联接部件具有围绕部件空腔的边缘并且还具有多个径向向外延伸的突出部。 这些部件在彼此边缘接触关系的轮毂上支撑，然后这些部件彼此连接并连接到轮毂。 还公开了一种新的动力传递联轴器。
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公开(公告)号：US06668530B2
公开(公告)日：2003-12-30
申请号：US10097222
申请日：2002-03-13
IPC分类号： A01D6900
CPC分类号： A01D34/006 , A01D2101/00
摘要： A grass-cutting tractor has an internal combustion engine, an apparatus which changes engine speed, and a generator. The apparatus includes a user-manipulated mechanism having a plurality of operating positions. Two of the operating positions are each identified by different grass-related mnemonics, e.g., NORMAL, HEAVY, MEDIUM, HIGH, REGULAR or TALL, which relate to the height of the grass to be cut and one of the positions corresponds to operation of the generator.
摘要翻译： 割草拖拉机具有内燃机，改变发动机转速的装置和发电机。 该装置包括具有多个操作位置的用户操纵机构。 其中两个操作位置各自由不同的草相关的助记符标识，例如正常，重度，中等，高，常数或TALL，其涉及要切割的草的高度，并且其中一个位置对应于 发电机。
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公开(公告)号：US06659894B2
公开(公告)日：2003-12-09
申请号：US09976716
申请日：2001-10-12
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： F16H5552
CPC分类号： F16H57/04 , F01P5/02 , F01P11/12 , F01P2060/16 , F02B63/04 , H02K7/1815 , H02K9/02 , H02K16/00
摘要： A fan drive arrangement and method is provided for facilitating the cooling of engine coolant flowing through a radiator and an engine. The fan drive arrangement includes a variable pitch sheave assembly which moves between a first high speed position and a second low speed position. Variable pitch sheave assembly is interconnected by first and second drive belts to first and second drive pulleys operatively connected to the crankshaft of the engine and by first and second fan belts to corresponding fan pulleys connected to a fan shaft of a fan. Variable pitch sheave assembly includes first and second drive belt receiving grooves for receiving corresponding drive belts therein and first and second fan belt grooves for receiving corresponding fan belts therein. The depths of the fan belt grooves and the drive belt grooves of the variable pitch sheave assembly are varied in response to the temperature of the engine coolant flowing through the radiator so as to vary the fan speed accordingly.
摘要翻译： 提供了一种风扇驱动装置和方法，用于促进冷却流过散热器和发动机的发动机冷却液。 风扇驱动装置包括在第一高速位置和第二低速位置之间移动的可变螺距滑轮组件。 可变螺距滑轮组件通过第一和第二传动带连接到可操作地连接到发动机曲轴的第一和第二驱动滑轮，并且通过第一和第二风扇带连接到与风扇的风扇轴连接的相应的风扇滑轮。 可变螺距滑轮组件包括用于在其中接收相应的传动带的第一和第二传动带接收槽，以及用于在其中接收相应的风扇皮带的第一和第二风扇皮带槽。 可变倾斜滑轮组件的风扇皮带槽和驱动皮带槽的深度响应于流过散热器的发动机冷却剂的温度而变化，从而相应地改变风扇速度。
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27.发明授权公开(公告)号：US06653821B2
公开(公告)日：2003-11-25
申请号：US09882765
申请日：2001-06-15
申请人： Robert D Kern , Gerald C. Ruehlow , Steven J. Wilcox , Francis X. Wedel , Graham McLean , Phillip Harrison , Hongping Zhou
发明人： Robert D Kern , Gerald C. Ruehlow , Steven J. Wilcox , Francis X. Wedel , Graham McLean , Phillip Harrison , Hongping Zhou
IPC分类号： H02P1500
CPC分类号： H02P9/04 , H02J9/066 , H02P9/30 , Y10T307/576 , Y10T307/615
摘要： In accordance with the present invention, a system controller and method for monitoring and controlling a plurality of generator sets are provided. Each generator set generates electrical power and includes a generator communications link for connecting a generator set to a network. A user interface allows a user to select a generator set and set values for various predetermined operating parameters of the selected generator sets. Thereafter, a communications link connectable to the network transmits the user set values of the predetermined operating parameters to the selected generator set.
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公开(公告)号：USD479532S1
公开(公告)日：2003-09-09
申请号：US29172379
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
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公开(公告)号：USD471207S1
公开(公告)日：2003-03-04
申请号：US29147632
申请日：2001-09-04
申请人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu
设计人： Robert D. Kern , Gerald C. Ruehlow , Guoming Wu
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30.发明授权
公开(公告)号：US5943986A
公开(公告)日：1999-08-31
申请号：US19625
申请日：1998-02-06
申请人： Robert D. Kern , Gerald C. Ruehlow
发明人： Robert D. Kern , Gerald C. Ruehlow
CPC分类号： F01P5/04 , F01P2070/50
摘要： A liquid-cooled IC engine is in combination with a heat exchange apparatus therefor and the apparatus includes a radiator and a belt-driven fan. In the improvement, a pair of fan support stanchions are fixed with respect to the radiator and a fan carrier assembly is slide-mounted with respect to them. In a highly preferred embodiment, there are two springs urging the assembly for translational movement in a belt-tensioning direction. A tube-like arbor is mounted with respect to the panel and a bearing-supported shaft extends through the arbor and couples the fan and a driven fan pulley to one another. A flexible belt is driven by the crankshaft pulley and drives the fan pulley. The crankshaft pulley rotates at engine speed and has a first diameter and the fan pulley has a second diameter greater than the first diameter. The fan pulley (and the fan) rotate at a speed less than engine speed, thereby reducing fan noise.
摘要翻译： 液冷式IC发动机与其热交换装置组合，该装置包括散热器和皮带驱动风扇。 在改进中，一对风扇支撑支柱相对于散热器固定，并且风扇承载器组件相对于其滑动安装。 在一个非常优选的实施例中，有两个弹簧推动组件以在带张紧方向上的平移运动。 管状心轴相对于面板安装，并且轴承支撑的轴延伸穿过心轴并将风扇和从动风扇皮带轮彼此连接。 柔性带由曲轴皮带轮驱动并驱动风扇滑轮。 曲轴皮带轮以发动机转速旋转并且具有第一直径，并且风扇滑轮具有大于第一直径的第二直径。 风扇滑轮（和风扇）以小于发动机转速的速度旋转，从而减少风扇噪音。
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