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1. 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。

2. 发明授权

US5823752A Adapter for mechanically coupling a pump and a prime mover 失效
标题翻译：用于机械耦合泵和原动机的适配器
公开(公告)号：US5823752A
公开(公告)日：1998-10-20
申请号：US810215
申请日：1997-02-28
申请人： Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann
发明人： Herb Hoenisch , Robert D. Kern , Gerald C. Ruehlow , Wes Sodemann
IPC分类号： F02B63/06 , F02B75/00 , F04B1/14 , F04B17/03 , F04B35/00
CPC分类号： F02B63/06 , F02B75/007 , F04B1/145 , F04B17/03
摘要： The disclosure involves a prime mover and a pump-mount adapter mounted thereto. The adapter includes a central housing and a plurality of arms extending radially outwardly from the housing and coupled to the prime mover. Resilient mounts are used for such coupling and a rigid compression limiter prevents such mounts from being compressed to the degree that substantial resiliency is lost. The housing contains a liquid lubricant for lubricating the pump. A resilient seal device is between the housing and the prime mover and retains the lubricant in the housing. And after assembly, the housing is maintaining in a spaced relationship to the prime mover. The new mounting arrangement permits relatively generous manufacturing tolerances while yet permitting the prime mover and adapter-mounted pump to radially and angularly "self-align" during assembly.
摘要翻译：本公开涉及一种原动机和安装在其上的泵安装适配器。适配器包括中心壳体和从壳体径向向外延伸并联接到原动机的多个臂。弹性支架用于这种耦合，刚性压缩限制器防止这种支架被压缩到丧失大量弹性的程度。外壳包含润滑泵的液体润滑剂。弹性密封装置在壳体和原动机之间并将润滑剂保持在壳体中。并且在组装之后，壳体保持与原动机的间隔关系。新的安装布置允许相对大的制造公差，同时允许原动机和适配器安装的泵在组装期间径向和角度地“自对准”。

3. 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。

4. 发明授权

US06571805B2 Multi-container pressure washer and related product selecting valve 失效
公开(公告)号：US06571805B2
公开(公告)日：2003-06-03
申请号：US09999421
申请日：2001-11-15
申请人： Herb Hoenisch , Peter Nushart , Wes Sodemann
发明人： Herb Hoenisch , Peter Nushart , Wes Sodemann
IPC分类号： B08B302
CPC分类号： B08B3/026 , B08B2203/0217
摘要： A pressure washer includes a chassis as well as a liquid pump, a pump-driving prime mover, plural chemical product containers and a product selecting valve, all supported by the chassis. Each of the containers is attached to a separate valve conduit extending to the valve and the valve is connected to a device conduit extending to the mixing device. A distributor is mounted for movement with respect to the valve body and has a channel for selectively connecting one of the valve conduits to the device conduit. The user may thereby use the pressure washer to dispense any one of plural solutions. A fresh water container facilitates “wash out” of the valve and device conduit before switching to another chemical product.

5. 发明授权

US5317999A Internal combustion engine for portable power generating equipment 失效
标题翻译：用于便携式发电设备的内燃机
公开(公告)号：US5317999A
公开(公告)日：1994-06-07
申请号：US95821
申请日：1993-07-21
申请人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark Sarder
发明人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark Sarder
IPC分类号： F01L1/46 , F01L13/08 , F01M1/02 , F01M1/16 , F02B63/00 , F02B75/02 , F02D9/02
CPC分类号： F01M1/02 , F01L1/46 , F01L13/085 , F01M1/16 , F02B63/00 , F02B2075/027 , F02B2275/34 , F02D2009/0261 , Y10T74/2101
摘要： An internal combustion engine for portable power generating equipment includes a camshaft assembly having an integral gerotor oil pump at one end thereof. The camshaft, which is preferably formed of two dissimilar materials, is mounted for axial movement in response to increased oil pressure so as to provide automatic oil pressure regulation. Structure is provided for reducing engine compression at low speeds to reduce cranking resistance during starting. Speed control is provided by a stepper motor coupled through a cam to the engine throttle. The cam is shaped so as to counteract the non-linear relationship between throttle position and engine power and speed so as to provide a desired relationship between the position of the stepper motor and the engine power and speed.
摘要翻译：用于便携式发电设备的内燃机包括在其一端具有一体式转子油泵的凸轮轴组件。优选地由两种不同材料形成的凸轮轴被安装成响应于增加的油压而轴向移动，以便提供自动油压调节。提供了用于在低速下减小发动机压缩的结构，以减少启动期间的起动阻力。速度控制由通过凸轮耦合到发动机节气门的步进马达提供。凸轮成形为抵消节气门位置和发动机功率和速度之间的非线性关系，以便在步进电机的位置与发动机功率和速度之间提供期望的关系。

6. 发明授权

US5504417A Engine-driven generator 失效
标题翻译：发动机驱动发电机
公开(公告)号：US5504417A
公开(公告)日：1996-04-02
申请号：US282514
申请日：1994-07-27
申请人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark J. Sarder , Graham W. McLean , Michael R. Wheeley , Frank Wedel , Mark Kastner
发明人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark J. Sarder , Graham W. McLean , Michael R. Wheeley , Frank Wedel , Mark Kastner
IPC分类号： F02B63/04 , H02P9/04 , H02J7/14
CPC分类号： H02P9/04 , F02B63/04 , F02B63/042
摘要： An engine-driven generator includes an internal combustion engine, a permanent magnet alternator and an AC to AC converter. The output frequency and voltage of the permanent magnet alternator are largely dependent on engine speed and the alternator load. The AC to AC converter converts the speed-dependent alternating potential developed by the alternator to another alternating potential whose frequency and voltage are largely independent of engine speed. Voltage regulation is provided by varying the engine speed in accordance with the load current. Frequency regulation is provided by frequency dividing the alternator output by an integer divisor that varies in accordance with engine speed. Additional voltage regulation is provided by deleting selected cycles of the alternator output current as needed to maintain the RMS output voltage within predetermined limits. A stepper motor coupled to the throttle of the internal combustion engine controls the speed of the engine in accordance with commands received from an electronic system control.
摘要翻译：发动机驱动的发电机包括内燃机，永磁式交流发电机和AC至AC转换器。永磁发电机的输出频率和电压在很大程度上取决于发动机转速和交流发电机负载。 AC到AC转换器将由交流发电机开发的速度相关的交变电位转换为另一个交变电位，其频率和电压在很大程度上独立于发动机转速。通过根据负载电流改变发动机转速来提供电压调节。通过将交流发电机输出分频除以发动机转速变化的整数除数来提供频率调节。通过根据需要删除交流发电机输出电流的选定周期来提供额外的电压调节，以将RMS输出电压维持在预定限度内。耦合到内燃机的节气门的步进电机根据从电子系统控制接收的命令来控制发动机的速度。

7. 发明授权

US5497735A Internal combustion engine for portable power generating equipment 失效
标题翻译：用于便携式发电设备的内燃机
公开(公告)号：US5497735A
公开(公告)日：1996-03-12
申请号：US254657
申请日：1994-06-03
申请人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark Sarder
发明人： Robert Kern , Gerald Ruehlow , Herb Hoenisch , Mark Sarder
IPC分类号： F01L1/46 , F01L13/08 , F01M1/02 , F01M1/16 , F02B63/00 , F02B75/02 , F02D9/02 , F01L1/047 , F16H53/00
CPC分类号： F01M1/02 , F01L1/46 , F01L13/085 , F01M1/16 , F02B63/00 , F02B2075/027 , F02B2275/34 , F02D2009/0261 , Y10T74/2101
摘要： An internal combustion engine for portable power generating equipment includes a camshaft assembly having an integral oil pump at one end thereof. The camshaft, which is preferably formed of two dissimilar materials, is mounted for axial movement in response to increased oil pressure so as to provide automatic oil pressure regulation. Structure is provided for reducing engine compression at low speeds to reduce cranking resistance during starting. Speed control is provided by a stepper motor coupled through a cam to the engine throttle. The cam is shaped so as to counteract the non-linear relationship between throttle position and engine power and speed so as to provide a desired relationship between the position of the stepper motor and the engine power and speed.
摘要翻译：用于便携式发电设备的内燃机包括在其一端具有一体式油泵的凸轮轴组件。优选地由两种不同材料形成的凸轮轴被安装成响应于增加的油压而轴向移动，以便提供自动油压调节。提供了用于在低速下减小发动机压缩的结构，以减少启动期间的起动阻力。速度控制由通过凸轮耦合到发动机节气门的步进马达提供。凸轮成形为抵消节气门位置和发动机功率和速度之间的非线性关系，以便在步进电机的位置与发动机功率和速度之间提供期望的关系。

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