Driven Shaft Bearing Hubs for Snowmobiles

    公开(公告)号:US20250019036A1

    公开(公告)日:2025-01-16

    申请号:US18641788

    申请日:2024-04-22

    Abstract: A bearing hub is positioned within a drivetrain assembly of a snowmobile. The bearing hub includes a body and a bearing sleeve that is coupled to the body. The body has an upper connection rigidly coupled to the chassis of the snowmobile, an aft connection rigidly coupled to the chassis of the snowmobile, a lower connection rigidly coupled to a heat exchanger and an engine mount connection resiliently coupled to an engine mount to reduce vibration transfer from the engine to the bearing hub. The bearing sleeve has a bearing aperture that is configured to receive a bearing assembly therein. The the upper connection, the aft connection and the lower connection form a triangular support arrangement for the driven shaft. The driven shaft is rotatably coupled to the bearing sleeve by the bearing assembly.

    REMOVABLE SEAT ASSEMBLY
    2.
    发明公开

    公开(公告)号:US20230257047A1

    公开(公告)日:2023-08-17

    申请号:US18084868

    申请日:2022-12-20

    CPC classification number: B62J1/08 B62J1/005 B62J11/19

    Abstract: According to one or more aspects of the present disclosure, a removable seat assembly is provided comprising a first mounting feature engageable with the tunnel of a snow vehicle, and optionally a second mounting feature engageable with the tunnel of the snow vehicle. The first mounting feature may automatically engage the tunnel upon engagement of the second mounting feature with the tunnel. The seat assembly may comprise a frame base, a riser defining a chamber therein positioned on the frame base, a seat back frame, and an arm rest secured to the frame base and the seat back frame.

    Engine Mounting Systems for Snowmobiles

    公开(公告)号:US20250083770A1

    公开(公告)日:2025-03-13

    申请号:US18745703

    申请日:2024-06-17

    Abstract: A snowmobile includes a forward frame assembly defining an engine bay. The forward frame assembly includes a nose frame assembly having a nose frame cross member positioned forward of the engine bay. An engine is positioned within the engine bay. A tunnel is coupled to the forward frame assembly and is positioned aft of the engine bay. A heat exchanger is coupled to a forward end of the tunnel. At least one aftward engine mount is configured to couple the engine to the heat exchanger. At least one forward engine mount is configured to couple the engine to the nose frame cross member. The at least one aftward engine mount has a mount axis that is oriented in a substantially radial direction relative to an axis of rotation of a track driveshaft.

    Engine Cooling Systems for Snowmobiles

    公开(公告)号:US20250026443A1

    公开(公告)日:2025-01-23

    申请号:US18666651

    申请日:2024-05-16

    Abstract: An engine cooling system for a snowmobile that includes a forward frame assembly, an engine, a tunnel and a track driveshaft having an axis of rotation. The cooling system includes a heat exchanger that is coupled to the forward frame assembly and to the tunnel. The heat exchanger is positioned aft of the engine and is configured to transfer heat from a coolant fluid circulated through the engine and the heat exchanger. The heat exchanger includes a body having an arcuate section with a substantially constant radius of curvature and with a center of curvature proximate the axis of rotation of the track driveshaft.

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