ELECTRIC OUTBOARD MOTOR
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Sep 2, 2022
filing date -
Sep 2, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An electric outboard motor includes a screw, an electric motor, an outboard motor case, and a cooling portion. The outboard motor case accommodates the electric motor. The cooling portion cools a heat generation portion at an inside or an outside of the outboard motor case by a cooling liquid. At least a lower region of the outboard motor case that is submerged in outside water is constituted of a multiple case structure body that includes an outer case and an inner case. In the multiple case structure body of the lower region, at least part of a space portion that is surrounded by the outer case and the inner case is a cooling liquid passage through which the cooling liquid supplied to the cooling portion flows.
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