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1. 发明授权

US5902160A Twin propeller marine propulsion unit 失效
标题翻译：船舶推进装置与鱼雷入水口
公开(公告)号：US5902160A
公开(公告)日：1999-05-11
申请号：US21029
申请日：1998-02-09
申请人： Robert B. Weronke , Michael A. Karls , Roger E. Koepsel , Donald F. Harry
发明人： Robert B. Weronke , Michael A. Karls , Roger E. Koepsel , Donald F. Harry
IPC分类号： B63H5/10 , B63H20/14 , B63H20/20 , B63H20/26 , B63H20/28 , B63H23/30 , F01N13/12 , F01P3/20 , F02B61/04
CPC分类号： F01N13/12 , B63H20/20 , B63H20/26 , B63H20/285 , B63H21/28 , B63H5/10 , F01P3/202 , F02B61/045 , B63H23/30
摘要： An improved twin propeller marine propulsion unit. A vertical drive shaft is journaled in the lower gearcase and drives a pair of bevel gears. A pair of concentric propeller shafts are mounted in the lower torpedo section of the gearcase and each shaft carries a propeller. A slidable clutch is movable between a neutral, a forward, and a reverse position and serves to operably connect the outer propeller shaft with one of the bevel gears when the clutch is moved to the forward drive position. A gear is mounted for sliding movement in unison with the clutch and acts to operably engage the inner propeller shaft with the second bevel gear when the clutch is in the forward drive position so that both propellers are driven in opposite directions to provide forward motion for the watercraft. The propulsion unit also includes a dual cooling water pick-up system in which seawater is drawn to the water pump both through a series of vertical inlet ports in the gearcase and through a plurality of inlet holes that are located in the forward end of the lower torpedo section. Exhaust gas from the engine is discharged through the rear end of the lower housing section through axial passages in the hub of the forward propeller and then across the outer surface of the rear propeller.
摘要翻译：改进的双螺旋桨船用推进装置。一个垂直传动轴轴颈位于下齿轮箱中，并驱动一对锥齿轮。一对同心推进器轴安装在齿轮箱的下鱼雷部分，每个轴都带有螺旋桨。可滑动离合器可在空档，前进和后退位置之间移动，并且用于当离合器移动到前进驱动位置时可操作地连接外部推进器轴与其中一个锥齿轮。安装齿轮以与离合器一致地滑动运动，并且当离合器处于向前驱动位置时，用于将内推进器轴与第二锥齿轮可操作地接合，使得两个螺旋桨沿相反的方向被驱动以提供向前运动船只。推进装置还包括一个双重冷却水拾取系统，其中海水通过齿轮箱中的一系列垂直入口和通过位于下部的前端的多个入口孔被吸入水泵鱼雷部分。来自发动机的废气通过前部螺旋桨的轮毂中的轴向通道，然后穿过后部螺旋桨的外表面，通过下部壳体部分的后端排出。

2. 发明授权

US5470263A Method and apparatus for improving reverse thrust of a marine drive 失效
标题翻译：用于改善船用驱动器的反向推力的方法和装置
公开(公告)号：US5470263A
公开(公告)日：1995-11-28
申请号：US234397
申请日：1994-04-28
申请人： John M. Griffiths , David A. Gussert , Michael A. Karls
发明人： John M. Griffiths , David A. Gussert , Michael A. Karls
IPC分类号： B63H20/14 , B63H20/26
CPC分类号： B63H20/245 , B63H1/28 , B63H20/26
摘要： A marine drive has a reverse thrust cup on the propeller shaft between the propeller hub and the rear retaining nut. The reverse thrust cup permits the propeller hub to slide on the propeller shaft fore and aft. When the marine drive is in the forward direction the rearward thrust of the propeller forces the propeller hub to the forward position thereby directing engine exhaust out the rear of the propeller hub. Conversely, when the marine drive is in the reverse direction, the forward thrust created by the propeller hub forces the propeller hub to the rearward position thereby directing exhaust out a forward exhaust opening forward of the propeller blades increasing the reverse thrust of the marine drive.
摘要翻译：船用驱动器在螺旋桨毂和后固定螺母之间的传动轴上具有反向推力杯。反向推力杯允许螺旋桨轮毂在前后驱动轴上滑动。当船舶驱动器处于向前的方向时，推进器的向后推力迫使螺旋桨轮毂到达前进位置，从而将发动机排气引导到螺旋桨轮毂的后部。相反，当船舶驱动器处于相反方向时，由推进器轮毂产生的向前推力迫使推进器轮毂到达后部位置，从而引导排出向前的螺旋桨叶片前排气开口，从而增加船舶驱动器的反向推力。

3. 发明授权

US5415575A Marine drive propeller clutch 失效
标题翻译：船用驱动螺旋桨离合器
公开(公告)号：US5415575A
公开(公告)日：1995-05-16
申请号：US248694
申请日：1994-05-24
申请人： Michael A. Karls
发明人： Michael A. Karls
IPC分类号： B63H23/30 , B63H20/14
CPC分类号： B63H23/30 , B63H21/28
摘要： An apparatus and method is provided to release a propeller from the driving engagement of a propeller shaft when the propeller hits an object with sufficient force to otherwise cause damage to the marine drive. A clutch with first and second clutch members disengagably drives the propeller with a plurality of clutch teeth on one of the clutch members and a corresponding plurality of clutch sockets on the other. The clutch teeth and clutch sockets engage to provide a nonslip direct drive from the propeller shaft to the propeller and disengage to allow the propeller shaft to rotate free of the propeller when the propeller strikes an object. The clutch members are biased together such that the clutch teeth engage the clutch sockets during normal boating operation. The torque required to disengage the clutch may be adjustable by an adjustable retaining nut, or by using a spring of different compression rate, or by changing the characteristics of the clutch teeth or clutch sockets. Preferably, the torque required to disengage the clutch is set to a level just below that which would cause damage to the marine drive.
摘要翻译：提供了一种装置和方法，用于当螺旋桨以足够的力撞击物体以便对船舶驱动器造成损坏时，从推进器轴的驱动接合中释放螺旋桨。具有第一离合器构件和第二离合器构件的离合器在离合器构件中的一个离合器和相应的多个离合器套筒中分离地驱动具有多个离合器齿的螺旋桨。离合器齿和离合器插座接合以提供从推进器轴到螺旋桨的非滑行直接驱动，并且当螺旋桨撞击物体时，该离合器齿和离合器插座脱离以允许传动轴旋转而不用螺旋桨旋转。离合器构件被偏压在一起，使得离合器齿在正常的划桨操作期间接合离合器插座。解除离合器所需的扭矩可以通过可调节的保持螺母或使用不同压缩比的弹簧或通过改变离合器齿或离合器插座的特性来调节。优选地，将离合器分离所需的扭矩设定在刚好低于会导致船舶驱动器损坏的水平。

4. 发明授权

US5304079A Supplemental remote mounted marine engine cooling system 失效
标题翻译：补充远程安装的船用发动机冷却系统
公开(公告)号：US5304079A
公开(公告)日：1994-04-19
申请号：US63004
申请日：1993-05-17
申请人： Michael A. Karls
发明人： Michael A. Karls
IPC分类号： B63H20/28 , B63H21/10 , F01P3/20 , F02B61/04
CPC分类号： B63H21/38 , B63H21/10 , F01P3/202 , F02B61/045
摘要： A supplemental remote mounted marine engine cooling system (20) includes a supplemental water pickup (36) mounted to the boat (18), and a flow control valve (38) supplying supplemental cooling water therethrough from the water pickup (36) to the main cooling system (20) when main cooling system water pressure on the downstream side (48) of a check valve (44) in the flow control valve (38) is less than supplemental cooling system water pressure on the upstream side (46) of the check valve (44), and blocking supplemental water flow therethrough when main cooling system water pressure is greater than supplemental cooling system water pressure. The control valve (38) also includes a relief valve (50) between the check valve (44) and the water pickup (36) and discharging excess supplemental cooling water when the check valve (44) is blocking water flow therethrough and supplemental cooling system water pressure is above a given bypass relief threshold. The control valve (38) provides continuous flow therethrough to a first outlet having the check valve (44) and/or a second bypass outlet having the relief valve (50), at high boat speed, to minimize deadhead pressure and minimize reduction in top end boat speed otherwise resulting from the addition of a supplemental water pickup. The water pickup (36) is provided by a tube (106) slicing out a core of water along the underside of the boat hull (108) with minimal drag and turbulence.
摘要翻译：补充的远程安装的船用发动机冷却系统（20）包括安装在船（18）上的辅助水拾取器（36）和流量控制阀（38），其将辅助冷却水从水拾取器（36）供应到主体冷却系统（20），当主冷却系统中流量控制阀（38）中的止回阀（44）的下游侧（48）上的水压小于辅助冷却系统时的上游侧（46）上的水压止回阀（44），当主冷却系统的水压大于补充冷却系统的水压时，阻止补水流过。控制阀（38）还包括在止回阀（44）和水拾取器（36）之间的安全阀（50），并且当止回阀（44）阻止水流过其中并排出补充冷却系统水压高于给定的旁路释放阈值。控制阀（38）提供连续的流动通过其到具有止回阀（44）的第一出口和/或具有安全阀（50）的第二旁路出口，以高的船速度，以最小化死头压力并使顶部的减少最小化否则由于添加补水吸引器而造成结束的船速。水拾取器（36）由管（106）提供，该管（106）以最小的阻力和湍流沿着船体（108）的下侧切出水芯。

5. 发明授权

US5290147A Variable pitch marine propeller with shift biasing and synchronizing mechanism 失效
标题翻译：具有换档偏置和同步机构的变桨距船用螺旋桨
公开(公告)号：US5290147A
公开(公告)日：1994-03-01
申请号：US801713
申请日：1991-12-02
申请人： Michael A. Karls , Roger E. Koepsel , Ronald M. Steiner
发明人： Michael A. Karls , Roger E. Koepsel , Ronald M. Steiner
IPC分类号： B63H1/26 , B63H3/00
CPC分类号： B63H3/008 , B63H1/26
摘要： A marine propeller includes a hub rotatable about a longitudinal axis and having a plurality of blades extending radially outwardly therefrom and pivotable about respective radial pivot axes between a low pitch position and a high pitch position. A disc has a plurality of guide slots each receiving and retaining a respective lever arm extending rearwardly within the hub from a respective blade. A biasing spring coaxial with the longitudinal axis of rotation of the hub biases the disc to in turn bias the lever arms and blades to the low pitch position. The disc is a generally flat planar plate-like member extending radially outwardly from the longitudinal axis at the rear of the hub and includes a preload mechanism accessible at the rear of the hub for adjusting the bias. The disc restricts movement of the lever arms along the guide slots such that the lever arms can move only in unison, which prevents blade flutter. Pivoting of the blades is controlled by both a) movement of the lever arms along the guide slots, and b) arcuate movement of the guide slots as the disc rotates about the longitudinal axis, such that pivoting of each blade from its low pitch position to its high pitch position requires both a) movement of the respective lever arm along its respective guide slot, and b) rotation of the disc to arcuately move the guide slot.
摘要翻译：船用螺旋桨包括可围绕纵向轴线旋转的轮毂，并且具有从其径向向外延伸的多个叶片，并且能够在低俯仰位置和高俯仰位置之间围绕各自的径向枢转轴线枢转。盘具有多个引导槽，每个引导槽容纳并保持相应的杠杆臂，其相应的杠杆臂从相应的叶片在轮毂内向后延伸。与毂的旋转纵向轴线共轴的偏置弹簧偏压盘，从而将杠杆臂和叶片偏置到低音调位置。该盘是在毂的后部从纵向轴线径向向外延伸的大致平坦的平板状构件，并且包括可在轮毂的后部接近以调节偏压的预加载机构。盘限制杠杆臂沿着引导槽的运动，使得杠杆臂只能一致地移动，这防止叶片颤动。叶片的转动通过以下两者来控制：a）杠杆臂沿着引导槽的运动，以及b）当盘绕纵向轴线旋转时导向槽的弓形运动，使得每个叶片从其低俯仰位置枢转到其高音调位置需要a）相应的杠杆臂沿其相应的导向槽的运动，以及b）盘的旋转以弓形地移动导槽。

6. 发明授权

US4781632A Anti-ventilation plate 失效
标题翻译：防通风板
公开(公告)号：US4781632A
公开(公告)日：1988-11-01
申请号：US106148
申请日：1987-10-08
申请人： John J. Litjens , Michael E. Frazzell , Michael A. Karls , Ronald M. Steiner , William P. Lang
发明人： John J. Litjens , Michael E. Frazzell , Michael A. Karls , Ronald M. Steiner , William P. Lang
IPC分类号： B63H20/34 , B63H1/18
CPC分类号： B63H20/34
摘要： A marine drive (2) is provided with an anti-ventilation plate (22) having a forward horizontal portion (24) and an aft portion (26) extending downwardly at an angle (28) to horizontal and noncoplanar with the forward portion (24). An adjustable anti-ventilation plate (30, 58) is also provided. The preferred form of the adjustable anti-ventilation plate is particularly simple and readily added to existing structure.
摘要翻译：船用驱动器（2）设置有具有前水平部分（24）的防通风板（22）和以角度（28）向下延伸到水平并且与前部（24）不共面的后部部分）。还提供可调整的防通气板（30,58）。可调节抗通气板的优选形式特别简单且易于添加到现有结构中。

7. 发明授权

US06733352B1 Electronically controlled cooling system for a marine propulsion engine 失效
标题翻译：用于船用推进发动机的电子控制冷却系统
公开(公告)号：US06733352B1
公开(公告)日：2004-05-11
申请号：US10434784
申请日：2003-05-09
申请人： David J. Belter , Steve Wynveen , Michael A. Karls , Troy J. Kollmann
发明人： David J. Belter , Steve Wynveen , Michael A. Karls , Troy J. Kollmann
IPC分类号： B63H2110
CPC分类号： F01P7/167 , B63H21/383 , F01P11/14 , F01P2007/146 , F01P2011/063 , F01P2023/08 , F01P2025/50 , F01P2031/00 , F01P2031/32 , F01P2050/04
摘要： The temperature regulation system is provided which places a flow controlling valve at a location which can be different than the location of the temperature being controlled. In other words, a valve can be located at a remote position relative to, cooling passages of an engine block or head. Signals from temperature sensors are provided to a microprocessor of an engine control module and the engine control module controls the operation of the valve in response to the measured temperatures. The engine control module can select different temperature ranges as a function of selected operating conditions of the engine, such as engine speed. In addition, the engine control module can cycle the valve in order to free it of debris when it is sensed that the valve is not responding in an expected manner.
摘要翻译：提供了温度调节系统，其将流量控制阀放置在可以与被控制温度的位置不同的位置处。换句话说，阀可以位于相对于发动机缸体或头部的冷却通道的远程位置。来自温度传感器的信号被提供给发动机控制模块的微处理器，并且发动机控制模块响应于测量的温度来控制阀的操作。发动机控制模块可以根据发动机选定的运行条件（如发动机转速）选择不同的温度范围。此外，发动机控制模块可以循环阀门，以便在感测到阀门没有以预期的方式响应时释放它的碎屑。

8. 发明授权

US5660536A High capacity simplified sea water pump 失效
标题翻译：大容量简化海水泵
公开(公告)号：US5660536A
公开(公告)日：1997-08-26
申请号：US583714
申请日：1996-01-05
申请人： Michael A. Karls , Matthew W. Jaeger , George E. Brown , Darrin L. Doty , Bruce A. Schroeder
发明人： Michael A. Karls , Matthew W. Jaeger , George E. Brown , Darrin L. Doty , Bruce A. Schroeder
IPC分类号： F04C5/00 , F04C13/00 , F04C15/00
CPC分类号： F04C5/00
摘要： A sea water pump (130) for a marine propulsion system includes a housing (130) having a generally cylindrical pumping chamber (134) defined by a generally cylindrical sidewall (136) extending axially between opposite end walls (138 and 140). A multi-vaned rotary impeller (44) in the chamber is driven by an impeller shaft (28) extending axially into the chamber through one of the endwalls (40). An intake port (146) at the other endwall (140) has a first branch (148) providing radial flow (170, 172) into the chamber, and a second branch (154) providing axial flow (178) into the chamber. A discharge port (158) has a first branch (160) receiving radial flow (174, 176) out of the chamber, and a second branch (166) receiving axial flow (180) out of the chamber. The housing (132) is an integrally molded one-piece cup-shaped unit including the cylindrical sidewall (136) integral with an end cap (144) providing a flat inner wall wear surface (140) providing the noted endwall engaging an axial end (50) of the impeller in sealing sliding relation.
摘要翻译：用于船舶推进系统的海水泵（130）包括壳体（130），该壳体具有由在相对的端壁（138和140）之间轴向延伸的大致圆柱形的侧壁（136）限定的大致圆柱形的泵送室（134）。腔室中的多叶旋转叶轮（44）由通过其中一个端壁（40）轴向延伸到腔室中的叶轮轴（28）驱动。在另一端壁（140）处的进气口（146）具有向腔室提供径向流动（170,172）的第一分支（148）和向腔室提供轴向流动（178）的第二分支（154）。排出口（158）具有从腔室中接收径向流（174,176）的第一分支（160）和从腔室中接收轴向流动（180）的第二分支（166）。壳体（132）是整体模制的一体式杯状单元，其包括与端盖（144）成一体的圆柱形侧壁（136），其提供平坦的内壁磨损表面（140），所述平坦内壁磨损表面（140）提供所述端壁， 50）的叶轮密封滑动关系。

9. 发明授权

US5484264A Torsionally twisting propeller drive sleeve and adapter 失效
标题翻译：扭转螺旋桨驱动套筒和适配器
公开(公告)号：US5484264A
公开(公告)日：1996-01-16
申请号：US207832
申请日：1994-03-08
申请人： Michael A. Karls , Daniel R. Lindgren
发明人： Michael A. Karls , Daniel R. Lindgren
IPC分类号： B63H23/34 , F16D9/06 , F16D43/21 , F01D5/30
CPC分类号： F16D9/06 , B63H23/34 , F16D43/211 , B63H2023/342 , Y10T464/50
摘要： A marine drive having a drive sleeve and a drive sleeve adapter between the propeller shaft and the propeller hub where the drive sleeve absorbs the shock of the propeller striking an object by torsionally twisting a forward end of the drive sleeve which is keyed to the propeller hub and where the adapter is keyed to the propeller shaft and the drive sleeve is keyed to the adapter. The combination provides both high load capability and shock protection.
摘要翻译：一种船用驱动器，其具有驱动套筒和驱动套筒适配器，该驱动套筒适配器位于传动轴和螺旋桨毂之间，其中驱动套筒通过扭转扭转扭转扭矩的驱动套筒的前端而吸收螺旋桨撞击物体的冲击，该前端与该螺旋桨毂并且适配器被连接到传动轴上并且驱动套筒被键接到适配器上。该组合提供高负载能力和防震功能。

10. 发明授权

US5263389A Torque rated floating marine propeller wrench 失效
标题翻译：扭矩额定浮动船用螺旋桨扳手
公开(公告)号：US5263389A
公开(公告)日：1993-11-23
申请号：US8523
申请日：1993-01-25
申请人： Michael E. Frazzell , Michael A. Karls
发明人： Michael E. Frazzell , Michael A. Karls
IPC分类号： B25B13/00 , B25B13/04 , B25B13/06 , B25B13/48 , B25B23/142
CPC分类号： B25B13/00 , B25B13/04 , B25B13/06 , B25B13/48 , B25B23/1427 , Y10S81/90
摘要： A floating marine propeller wrench (18) is provided for removing a marine propeller nut (16), and comprises a floating member composed of a material selected to have a specific gravity less than or equal to 1.0, to enable floatation, yet strong enough to apply torque of at least 50 lb.ft. to the nut. The floating member is composed of chemically coupled long glass fiber reinforced polypropylene, particularly ten percent glass by weight, one percent foaming agent by weight, and the balance polypropylene. The material is also selected to provide a user detectable slight deflection (70) of a handle portion (24) when approximately 50 lb.ft. is applied to the nut by a socket portion (22), to provide a combined floating marine propeller wrench and torque meter.
摘要翻译：提供一种用于卸下船用螺旋桨螺母（16）的浮动船用螺旋桨扳手（18），并且包括由选择为具有小于或等于1.0的比重的材料构成的浮动构件，以实现浮动，但足够坚固施加扭矩至少为50磅。到坚果浮动构件由化学耦合的长玻璃纤维增强聚丙烯，特别是10重量百分比的玻璃纤维组成，1重量％的发泡剂和余量的聚丙烯组成。还选择该材料，以在约50磅/小时时提供用户可检测到的手柄部分（24）的轻微挠曲（70）。通过插座部分（22）施加到螺母，以提供组合的浮动船用螺旋桨扳手和扭矩计。

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