[과제] 콤팩트한 레이아웃으로, 제 1 열교환기 및 제 2 열교환기를 냉각한다. [해결수단] 전동식 작업 기계로서의 유압 셔블은 복수의 전기 기기와, 복수의 전기 기기 중 적어도 1개를 통과하는 냉매를 냉각하는 제 1 열교환기와, 복수의 전기 기기 중 어느 하나에 의해 구동되어 작동유를 토출하는 유압 펌프와, 작동유를 냉각하는 제 2 열교환기와, 기체 내부로 외기를 도입하는 팬을 구비한다. 제 1 열교환기는 팬에 대하여, 팬에 의한 외기의 흐름 방향의 상류측에 배치되고, 제 2 열교환기는 팬에 대하여, 상기 외기의 흐름 방향의 하류측에 배치된다.

    A hydraulic excavator as an electric work machine includes a plurality of electric devices, a first heat exchanger that cools a refrigerant passing through at least one of the plurality of electric devices, a hydraulic pump that is driven by any one of the plurality of electric devices and discharges hydraulic oil, a second heat exchanger that cools the hydraulic oil, and a fan that takes outside air into an interior of a machine body. The first heat exchanger is arranged on an upstream side of the fan in a flow direction of the outside air flown by the fan, and the second heat exchanger is arranged on a downstream side of the fan in the flow direction of the outside air.


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    Title :

    ELECTRIC WORK MACHINE


    Additional title:

    전동식 작업 기계


    Publication date :

    2024-06-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    E02F Baggern , DREDGING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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