PROBLEM TO BE SOLVED: To provide an electro-hydraulic steering system using a reversible-discharge-direction variable hydraulic pump for achieving prevention of chattering caused by simplification of a hydraulic circuit and suppression of heat generation.SOLUTION: An electro-hydraulic steering system includes: a rotary vane-type steering engine 10 that rotatively drives a steering wheel around the shaft center of a steering shaft 11; a reversible-discharge-direction variable hydraulic pump 20 that hydraulically drives the rotary vane-type steering engine 10; a three-phase induction motor 30 that electrically drives the reversible-discharge-direction variable hydraulic pump 20; and a control device 40 that controls bidirectional rotary drive of the three-phase induction motor 30.SELECTED DRAWING: Figure 1

    【課題】油圧回路の簡素化によるチャタリングの防止、発熱の抑制を実現する可逆転吐出方向可変油圧ポンプを用いた電動油圧操舵システムを提供する。【解決手段】舵を舵軸11の軸心廻りに回転駆動するロータリーベーン式舵取機10と、ロータリーベーン式舵取機10を油圧駆動する可逆転吐出方向可変油圧ポンプ20と、可逆転吐出方向可変油圧ポンプ20を電動駆動する三相誘導電動機30と、三相誘導電動機30の双方向回転駆動を制御する制御装置40を備えた。【選択図】図1


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    Titel :

    ELECTRO-HYDRAULIC STEERING SYSTEM USING REVERSIBLE-DISCHARGE-DIRECTION VARIABLE HYDRAULIC PUMP


    Weitere Titelangaben:

    可逆転吐出方向可変油圧ポンプを用いた電動油圧操舵システム


    Beteiligte:

    Erscheinungsdatum :

    2016-07-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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