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    OUTBOARD MOTOR AND BOAT PROPULSION DEVICE
    1.
    发明公开
    OUTBOARD MOTOR AND BOAT PROPULSION DEVICE 审中-公开

    公开(公告)号：US20240208629A1

    公开(公告)日：2024-06-27

    申请号：US18383047

    申请日：2023-10-24

    申请人： YAMAHA HATSUDOKI KABUSHIKI KAISHA

    发明人： Yoshihiko OKABE

    IPC分类号： B63H20/28

    CPC分类号： B63H20/285

    摘要： An outboard motor includes a cooling water flow path including an intake port to take in cooling water from outside the outboard motor and through which cooling water flows, and a water pump including an impeller and a pump shaft to rotate together with the impeller to pump the cooling water into the cooling water flow path. An inlet channel of the cooling water flow path from the intake port to the water pump is located in front of the water pump and extends along a rotation axis of the pump shaft, and an inlet that allows the passage of the cooling water and prevents entry of foreign objects is located inside the inlet channel.

    OUTBOARD MOTOR AND MARINE VESSEL
    2.
    发明公开
    OUTBOARD MOTOR AND MARINE VESSEL 审中-公开

    公开(公告)号：US20240067319A1

    公开(公告)日：2024-02-29

    申请号：US18229719

    申请日：2023-08-03

    申请人： YAMAHA HATSUDOKI KABUSHIKI KAISHA

    发明人： Kimitaka SARUWATARI ,  Yu WAKAMIZU

    IPC分类号： B63H20/28 ,  B01D35/26 ,  B63H20/12 ,  B63H20/14

    CPC分类号： B63H20/285 ,  B01D35/26 ,  B63H20/12 ,  B63H20/14 ,  B01D2201/0415

    摘要： An outboard motor includes a lower portion including a propeller shaft, an upper portion including a drive source to provide a rotational force to rotate the propeller shaft, a support portion to rotatably support the lower portion relative to the upper portion about a steering shaft and rotate integrally with the lower portion, a water pump assembly in the upper portion to supply water to the drive source, and a water inlet including a first filter in the lower portion to take in external water. A water channel extends from the water inlet to the water pump assembly, and a seal is between a fixed portion fixed with respect to the upper portion and the support portion. A second filter, which has a mesh size smaller than a mesh size of the first filter, is in the water channel upstream of the seal and downstream of the water inlet.

    OUTBOARD MOTOR AND BOAT
    3.
    发明公开
    OUTBOARD MOTOR AND BOAT 审中-公开

    公开(公告)号：US20230415874A1

    公开(公告)日：2023-12-28

    申请号：US18079926

    申请日：2022-12-13

    申请人： YAMAHA HATSUDOKI KABUSHIKI KAISHA

    发明人： Kimitaka SARUWATARI ,  Yu WAKAMIZU

    IPC分类号： B63H20/12 ,  B63H20/14 ,  B63H20/28 ,  B63H20/02

    CPC分类号： B63H20/12 ,  B63H20/02 ,  B63H20/285 ,  B63H20/14

    摘要： An outboard motor includes an engine, a propeller shaft, a propeller attached to the propeller shaft, a transmission to transmit rotation of the engine to the propeller shaft, an upper accommodation body accommodating at least a portion of the engine, a lower accommodation body accommodating at least a portion of the propeller shaft, and a steering to cause the lower accommodation body to rotate about a steering axis with respect to the upper accommodation body. The upper accommodation body includes an upper coolant channel. The lower accommodation body includes a lower coolant channel including a coolant intake port. A communication area between the upper and lower coolant channels is changeable according to a rudder angle of the steering.

    COOLING DEVICE FOR SHIP PROPULSION MACHINE
    4.
    发明公开
    COOLING DEVICE FOR SHIP PROPULSION MACHINE 审中-公开

    公开(公告)号：US20230219674A1

    公开(公告)日：2023-07-13

    申请号：US18150848

    申请日：2023-01-06

    申请人： SUZUKI MOTOR CORPORATION

    发明人： Yusuke TANAKA

    IPC分类号： B63H20/28 ,  B63H20/32

    CPC分类号： B63H20/285 ,  B63H20/32

    摘要： A cooling device for a ship propulsion machine includes a drain passage and a collector. The collector includes a collector main body, a case, an upper connection pipe, and a lower connection pipe having flexibility. A first bent portion is provided between an upper end portion and a lower end portion of the lower connection pipe. A second bent portion is provided between the first bent portion and the lower end portion of the lower connection pipe. The lower connection pipe extends downward from the upper end portion thereof along an axis of the case, bends at the first bent portion, extends downward while being inclined with respect to the axis so as to be separated from the axis, bends at the second bent portion, and extends downward while being inclined with respect to the axis so as to be close to the axis.

    Outboard motor
    5.
    发明授权
    Outboard motor 有权

    公开(公告)号：US09981729B2

    公开(公告)日：2018-05-29

    申请号：US15591505

    申请日：2017-05-10

    申请人： SUZUKI MOTOR CORPORATION

    发明人： Shuichi Sugiyama ,  Keisuke Daikoku

    IPC分类号： B63H25/42 ,  B63H20/34 ,  B63H20/32 ,  B63H20/28

    CPC分类号： B63H20/34 ,  B63H20/14 ,  B63H20/24 ,  B63H20/28 ,  B63H20/285 ,  B63H20/32 ,  B63H2020/006 ,  B63H2020/323

    摘要： An outboard motor includes a gear housing configured to rotatably house a propeller shaft that transmits a rotative power output from an engine to a propeller device. The gear housing includes a torpedo shape portion and a strut portion. The torpedo shape portion has a shape tapered toward a front side, and a shape biased upward toward the front side. The strut portion is disposed on an upper side of the torpedo shape portion. An outer peripheral surface of the torpedo shape portion is smoothly coupled to an outer peripheral surface of the strut portion via first to third curved surfaces. The first to third curved surfaces are each a curved surface inclined rearward and downward, a curved surface parallel to a front-rear direction, or a curved surface constituted of a part inclined rearward and downward and a part parallel to the front-rear direction.

    Cooling water passage structure of outboard motor
    8.
    发明授权
    Cooling water passage structure of outboard motor 有权

    公开(公告)号：US09840317B2

    公开(公告)日：2017-12-12

    申请号：US15010254

    申请日：2016-01-29

    申请人： SUZUKI MOTOR CORPORATION

    发明人： Tetsushi Achiwa ,  Keisuke Daikoku

    IPC分类号： F01P3/20 ,  B63H20/28

    CPC分类号： B63H20/285 ,  F01P3/202 ,  F01P2050/04 ,  F01P2050/12

    摘要： An outboard motor includes a cooling water passage structure, in which a combustion chamber periphery water jacket through which the cooling water flows around the combustion chamber and an exhaust port periphery water jacket through which the cooling water flows around the exhaust port are formed in the cylinder head, a cylinder periphery water jacket through which the cooling water flows around the cylinder is formed in the cylinder block, and an exhaust passage periphery water jacket through which the cooling water flows around the exhaust passage is formed around the exhaust passage. The water jackets are connected such that the cooling water from the water passage will flow through the combustion chamber periphery water jacket, the exhaust port periphery water jacket, the cylinder periphery water jacket, and the exhaust passage periphery water jacket in order.

    OUTBOARD MOTOR
    9.
    发明申请
    OUTBOARD MOTOR 有权

    公开(公告)号：US20170334537A1

    公开(公告)日：2017-11-23

    申请号：US15591505

    申请日：2017-05-10

    申请人： SUZUKI MOTOR CORPORATION

    发明人： Shuichi SUGIYAMA ,  Keisuke DAIKOKU

    IPC分类号： B63H20/34 ,  B63H20/28 ,  B63H20/32

    CPC分类号： B63H20/34 ,  B63H20/14 ,  B63H20/24 ,  B63H20/28 ,  B63H20/285 ,  B63H20/32 ,  B63H2020/006 ,  B63H2020/323

    摘要： An outboard motor includes a gear housing configured to rotatably house a propeller shaft that transmits a rotative power output from an engine to a propeller device. The gear housing includes a torpedo shape portion and a strut portion. The torpedo shape portion has a shape tapered toward a front side, and a shape biased upward toward the front side. The strut portion is disposed on an upper side of the torpedo shape portion. An outer peripheral surface of the torpedo shape portion is smoothly coupled to an outer peripheral surface of the strut portion via first to third curved surfaces. The first to third curved surfaces are each a curved surface inclined rearward and downward, a curved surface parallel to a front-rear direction, or a curved surface constituted of a part inclined rearward and downward and a part parallel to the front-rear direction.