To provide an outboard engine that uses a lithium-ion capacitor as a power source for starting an engine and can suppress overdischarge therefrom, and to provide an engine start system and a ship propulsion machine.SOLUTION: An engine start system for an outboard engine includes: a lithium-ion capacitor 65; a starter motor 61 operating by being supplied with power from the lithium-ion capacitor and cranking the engine; a starter relay 67 interposed to a start-up feeder cable 66 between the lithium-ion capacitor and the starter motor; a start switch 11 for energizing a coil 68 of the starter relay from the lithium-ion capacitor to make the starter relay electrically conductive; and a charging control unit 76 including a switch element 78 for connecting the lithium-ion capacitor to an AC generator 62 while the engine operates to charge the lithium-ion capacitor and, when the engine stops the operation thereof, detaching the lithium-ion capacitor from the AC generator 62.SELECTED DRAWING: Figure 3A

    【課題】リチウムイオンキャパシタをエンジン始動用の電源として用い、かつその過放電を抑止することができる船外機、エンジン始動システムおよび船舶推進機を提供する。【解決手段】船外機のエンジン始動システムは、リチウムイオンキャパシタ65と、リチウムイオンキャパシタから給電されて作動し、エンジンをクランキングするスタータモータ61と、リチウムイオンキャパシタとスタータモータとの間の始動給電線66に介装されたスタータリレー67と、リチウムイオンキャパシタからスタータリレーのコイル68に通電してスタータリレーを導通させるスタートスイッチ11と、エンジンの運転中に、リチウムイオンキャパシタを交流発電機62に接続して、リチウムイオンキャパシタを充電し、エンジンが運転を停止するとリチウムイオンキャパシタを交流発電機62から切り離すスイッチ素子78を含む充電制御ユニット76と、を含む。【選択図】図3A


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    Title :

    OUTBOARD ENGINE, ENGINE START SYSTEM, AND SHIP PROPULSION MACHINE


    Additional title:

    船外機、エンジン始動システムおよび船舶推進機


    Contributors:

    Publication date :

    2023-11-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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