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    Propeller driven surfing device
    4.
    发明公开
    Propeller driven surfing device 有权
    Propellergetriebene Vorrichtung zum Wellenreiten

    公开(公告)号：EP1977968A1

    公开(公告)日：2008-10-08

    申请号：EP07105770.7

    申请日：2007-04-05

    申请人： Joy Ride Technology Co., Ltd. ,  Ruan, Chia-Wen ,  Liao, Ming-Chen

    发明人： Ruan, Chia-Wen ,  Liao, Ming-Chen

    IPC分类号： B63B35/79 ,  A63B35/12

    CPC分类号： A63B35/12 ,  B63B35/7943 ,  B63C11/46

    摘要： A propeller driven surfing device includes an elongatedbody (20) defining an accommodation chamber (204) for receiving a drive motor (33) and a power supply (32) therein. A propeller (34) is driven by the drive motor (33), and is disposed outwardly and rearwardly of the elongated body (20) . A shell member (40) includes a front surrounding segment (401) which surrounds and which is spaced apart from the elongated body (20) to define a passageway (43) therebetween, and a rear surrounding segment (402) which extends rearwardly to terminate at a distal end (403) that is disposed rearwardly of the propeller (34). The front surrounding segment (401) and the distal end (403) respectively define a water intake port (42) and a water outlet port (41) which are disposed upstream and downstream of the passageway (43), respectively, such that water flows from the intake port (42) and out of the outlet port (41) through the passageway (43).

    摘要翻译： 螺旋桨驱动的冲浪装置包括细长体（20），其限定用于在其中容纳驱动电动机（33）和电源（32）的容纳室（204）。 螺旋桨（34）由驱动马达（33）驱动，并且设置在细长主体（20）的外侧和后方。 外壳构件（40）包括前围环段（401），前围环段（401）围绕并与细长主体（20）间隔开以限定它们之间的通道（43），后围环段（402）向后延伸以终止 在设置在所述螺旋桨（34）的后方的远端（403）处。 前周围段（401）和远端（403）分别限定了分别设置在通道（43）的上游和下游的进水口（42）和出水口（41），使得水流 从进气口（42）通过通道（43）从出口（41）排出。

    Underwater motive device
    6.
    发明公开
    Underwater motive device 有权
    Vorrichtung zur Fortbewegung unter Wasser

    公开(公告)号：EP1413512A1

    公开(公告)日：2004-04-28

    申请号：EP03020902.7

    申请日：2003-09-15

    申请人： Mah, Pat Y.

    发明人： Mah, Pat Y.

    IPC分类号： B63C11/46 ,  A63B35/12

    CPC分类号： A63B35/12 ,  B63C11/46

    摘要： An underwater motive device utilizes a plastic rear housing (25) which includes a battery storage space sealed with a tight fit to provide sealing, a pressured removal system is provided to pressurize the sealed battery chamber to enable the front wall to be removed. The motor is microprocessor controlled for safety by providing a slight delay before energizing the motor, and by providing some time in residence at a slow speed before switching to a higher speed. The result is a safe underwater motive device which will not accidentally become power actuated before the user is able to securely grasp and direct it, and which will not go to full speed except from a low speed to give the user a chance to stabilize himself in the water. Further, the control circuitry includes other features to provide both long battery life, good serviceable usage and battery preservation and motor preservation.

    摘要翻译： 电池仓位于后主壳体（25）和前锥体（23）中的一个中，另一个位于可拆卸的水镇流器中。 壳体保持连接到螺旋桨（35）的马达并且附接有能够相对于使用者操纵动力装置的手动支撑件（41）。 可从外壳外部操作的开关控制电动机。

    COMPACT EGG-SHAPED PROPELLER
    7.
    发明公开
    COMPACT EGG-SHAPED PROPELLER 审中-公开

    公开(公告)号：EP4159291A1

    公开(公告)日：2023-04-05

    申请号：EP20937959.3

    申请日：2020-05-28

    申请人： Boya Gongdao (Beijing) Robot Technology Co., Ltd

    发明人： XIONG, Minglei ,  CHEN, Longdong ,  ZHAO, Yingfei

    IPC分类号： A63B35/12 ,  B63C11/02

    摘要： Disclosed is a compact egg-shaped propeller, including an outer shell, an inner shell, and a driving motor unit arranged in the inner shell. The outer shell is detachably connected to the inner shell; the outer shell is egg-shaped; the outer shell is provided with a front cover at a top of the driving motor unit; the outer shell is provided with a jet orifice at a tail portion of the driving motor unit; blades are connected to one side of the driving motor unit close to the front cover; the driving motor unit is connected to a main control compartment; foldable handles are connected to a left side and right side of the main control compartment respectively; and the foldable handles are movably connected to the inner shell. By means of the layout, the gravity center is centered, the structure is compact and simple, and the appearance is simple and beautiful; the blades and the motor are designed in front, and the semi-circular front cover prevents debris and hands from entering; a battery indicator can display current remaining power to a user; a buoyancy block ensures that the whole device does not sink down after a user loosens the hands in water, facilitating search; and when the device is not in use, the handles can be folded, thereby facilitating storage and carrying.