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1. 发明授权

US06322406B1 Dual electric motor marine propulsion system 失效
标题翻译：双电动机船用推进系统
公开(公告)号：US06322406B1
公开(公告)日：2001-11-27
申请号：US09540695
申请日：2000-03-31
申请人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders , Calvin Tyler
发明人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders , Calvin Tyler
IPC分类号： B60L1102
CPC分类号： B63H21/17 , B63H5/08 , B63H21/22 , B63H25/42
摘要： A propulsion system for watercraft, such as pleasure craft, fishing boats, and so forth, includes a pair of unitary propulsion units driven by electric motors. The units are positioned to create components of thrust, and a net or resultant thrust to navigate the watercraft in response to operator inputs. The propulsion units may be mounted in a stern region of the craft to provide fore-and-aft navigational thrust, as well as thrust for turning the craft as desired. The rotational speeds of the units are adjusted in cooperation to produce the desired navigational thrust. Props of the units may be positioned within integral recesses within the hull, with motors for driving the props positioned within a drive cavity of the hull. The motors may be reversible to further enhance the controllability and maneuverability of the watercraft.
摘要翻译：船舶的推进系统，如游艇，渔船等，均由电动机驱动的一对单元推进装置。这些单元被定位成产生推力的分量，以及响应于操作者输入而导航船只的净或合成推力。推进单元可以安装在船体的船尾区域中，以提供前后导航力，以及根据需要转动船的推力。协调单元的转速以产生所需的导航推力。单元的道具可以定位在船体内的整体凹部内，用于驱动定位在船体的驱动腔内的道具的马达。电机可能是可逆的，以进一步增强船舶的可控性和机动性。

2. 发明授权

US06299493B1 Steering control method and apparatus for dual electric motor marine propulsion system 失效
标题翻译：双电机船用推进系统的转向控制方法和装置
公开(公告)号：US06299493B1
公开(公告)日：2001-10-09
申请号：US09539582
申请日：2000-03-31
申请人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
发明人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
IPC分类号： B63H1900
CPC分类号： B63H25/42
摘要： A technique for steering a watercraft includes applying drive signals to first and second electric propulsion systems disposed at locations on either side of a longitudinal centerline of the craft. The drive signals power motors of the systems to drive props at corresponding speeds and directions. The props generated components of thrust which combine to provide a net resultant thrust to steer the watercraft. An operator command device receives operator commands, and a control circuit translates the commands to the drive signals to steer the craft in accordance with the operator commands.
摘要翻译：用于转向船只的技术包括将驱动信号施加到设置在飞行器的纵向中心线任一侧上的位置的第一和第二电力推进系统。驱动器指示系统的功率电机以相应的速度和方向驱动道具。道具产生的推力部件结合在一起，提供了净化的推力来引导船只。操作员指令装置接收操作员命令，控制电路将命令转换为驱动信号，以根据操作员指令转向工艺。

3. 发明授权

US06363875B1 Method and apparatus for trimming a dual electric motor marine propulsion system 失效
标题翻译：一种用于修整双电动机船用推进系统的方法和装置
公开(公告)号：US06363875B1
公开(公告)日：2002-04-02
申请号：US09540819
申请日：2000-03-31
申请人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
发明人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
IPC分类号： B63H2546
CPC分类号： B63H25/42 , B63H5/08 , B63H5/16 , B63H21/17 , B63H21/22
摘要： A technique for adjusting the trim of a dual electric motor marine propulsion system is provided wherein offset or calibration signal levels are determined through a calibration sequence. The propulsion units are driven in a nominal direction, such as through a “straight-ahead” command. An operator adjusts levels of drive signals to the propulsion units to compensate for deviation from the desired navigational direction, such as due to mechanical and electrical tolerances and variations, as well as due to inherent torques or moments associated with the propulsion units. When the system is determined to navigate the craft in the desired direction, the offset or calibration values are stored. The values are then used during later control of the propulsion units as an inherent trim.
摘要翻译：提供了一种用于调整双电动机船舶推进系统的装饰的技术，其中偏移或校准信号水平通过校准序列确定。推进单元在标称方向上被驱动，例如通过“直前”命令。操作者调整到推进单元的驱动信号的水平以补偿偏离期望的导航方向，例如由于机械和电气公差和变化，以及由于与推进单元相关联的固有扭矩或力矩。当确定系统在所需方向上导航飞行时，存储偏移或校准值。然后，在后续控制推进装置时，将值用作固有的装饰。

4. 发明授权

US06350164B1 Dual electric motor stern drive with forward thruster control 失效
标题翻译：双电机船尾驱动，带前进推进器控制
公开(公告)号：US06350164B1
公开(公告)日：2002-02-26
申请号：US09540305
申请日：2000-03-31
申请人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
发明人： Thomas E. Griffith, Sr. , Loy Hoskins , Robert F. Saunders
IPC分类号： B60L1102
CPC分类号： B63H5/08 , B63H21/17 , B63H21/22 , B63H25/42 , B63H25/46 , B63H2025/026
摘要： A technique is provided for steering and navigating a watercraft. The technique provides for dual electric motor propulsion units aft of a transverse centerline of the watercraft. A forward thruster system is provided forward of the transverse centerline. The rear drive units provide components of thrust for navigating the craft through straight-ahead settings and turning settings. The forward thruster system provides additional thrust components for moving the watercraft in a “sliding” direction, and for providing additional turning thrust. The system is particularly well suited to slow-speed navigation, such as for recreational fishing, as well as for close quarters navigation and docking.
摘要翻译：提供了一种用于转向和导航船只的技术。该技术提供了船舶横向中心线后方的双电动机推进装置。向前推进器系统在横向中心线的前方提供。后部驱动单元提供通过直线设置和车削设置导航飞行器的推力部件。前推进器系统为“滑动”方向提供额外的推力组件，用于提供额外的转向推力。该系统特别适用于慢速导航，例如休闲钓鱼，以及靠近导航和对接。

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