A rotor (1, 19) for electrical machinery (27) comprises: a rotor shaft (3, 20); a lamination core (2) which is aligned on the rotor shaft (3, 20) and has a plurality of stacked electrical laminations; a first end portion plate (4) which is aligned on the axial side surface of the lamination core (2), and has a radial protrusion part (6) aligned along the circumference; a second end portion plate (5) which is aligned on the opposite axial side surface of the lamination core (2), and has a radial protrusion part (7) aligned along the circumference; a plurality of rotor winding wires (8) which are wound up around the protrusion part (6) of the first end portion plate (4) and around the axially facing protrusion part (7) of the second end portion plate (5), respectively; a port-shape first end portion cap (12) which axially covers the first end portion plate (4) so that a first cavity (14) is formed between the first end portion cap (12) and the first end portion plate (4); a port-shape second end portion cap (15) which axially covers the second end portion plate (5) so that a second cavity (16) is formed between the second end portion cap (15) and the second end portion plate (5); and a cooling duct (17) which axially extends between the two adjacent rotor winding wires (8), and connects the first cavity (14) to the second cavity (16).

    전기 기계(27)용 회전자(1, 19)는 회전자 샤프트(3, 20), 회전자 샤프트(3, 20) 상에 배열되고, 복수의 적층 전기 라미네이션(stacked electrical laminations)을 갖는 적층 코어(2), 적층 코어(2)의 축방향 측면에 배열되고, 그 원주를 따라 배열된 반경방향 돌출부(6)를 갖는 제 1 단부 플레이트(4), 적층 코어(2)의 반대쪽 축방향 측면에 배열되고, 그 원주를 따라 배열된 반경방향 돌출부(7)를 갖는 제 2 단부 플레이트(5), 상기 제 1 단부 플레이트(4)의 돌출부(6) 주위와, 상기 제 2 단부 플레이트(5)의 축방향 대향 돌출부(7) 주위에 각각 권취된 복수의 회전자 권선(8), 상기 제 1 단부 캡(12)과 상기 제 1 단부 플레이트(4) 사이에 제 1 캐비티(14)가 형성되도록 상기 제 1 단부 플레이트(4)를 축방향으로 커버하는 포트-형상 제 1 단부 캡(12), 상기 제 2 단부 캡(15)과 상기 제 2 단부 플레이트(5) 사이에 제 2 캐비티(16)가 형성되도록 상기 제 2 단부 플레이트(5)를 축방향으로 커버하는 포트-형상 제 2 단부 캡(15), 및 2개의 인접한 회전자 권선(8) 사이에서 축방향으로 뻗어 있고, 제 1 캐비티(14)를 제 2 캐비티(16)에 연결하는 냉각 덕트(17)를 포함한다.


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    Title :

    ROTOR FOR AN ELECTRIC MACHINE HAVING AN AXIALLY RUNNING COOLING DUCT


    Additional title:

    축방향으로 뻗어 있는 냉각 덕트를 구비한 전기 기계용 회전자


    Contributors:

    Publication date :

    2023-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / 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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