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    • 5. 发明公开
    • 냉각 장치 및 이것을 구비한 건설 기계 또는 작업 기계
    • 冷却装置及其配套机器或配套机器
    • KR1020100051671A
    • 2010-05-17
    • KR1020107003866
    • 2008-08-29
    • 가부시키가이샤 고마쓰 세이사쿠쇼
    • 야베미츠오시노다히로키이케다마사히로와타나베토모야카와노아츠시후치타세이이치쿠스야마야스히로마츠키테루유키
    • B60K11/04E02F9/00F01P11/10
    • E02F9/00B60K11/04E02F9/0866F01P11/10F04D29/164
    • A cooling device comprises a cooling fan (21), a shroud provided on the outer circumferential side of the cooling fan (21), an inner circumferential wall portion (52) arranged on the shroud in the vicinity of the outer circumferential portion of the cooling fan (21), and an outer circumferential wall portion (53) provided around the inner circumferential wall portion (52) such that the downstream side end in the air flow direction is located on the air flow downstream of the downstream side end of the inner circumferential wall portion (52) in the air flow direction. In this cooling device, the downstream side end of the cooling fan (21) in the air flow direction is located farther air flow downstream side than the downstream side end of the inner circumferential wall portion (52) in the air flow direction and the ratio between the length of the outer circumferential wall portion (53) and the length of the inner circumferential wall portion (52) along the air flow direction is within the range of 1.07-1.81 and the width between the outer circumferential wall portion (53) and the inner circumferential wall portion (52) is within the range of 15-55 mm.
    • 冷却装置包括冷却风扇(21),设置在冷却风扇(21)的外周侧的罩,内周壁部(52),其配置在冷却体的外周部附近的护罩上 风扇(21)和设置在内周壁部(52)周围的外周壁部(53),使得空气流动方向的下游侧端部位于内侧的下游侧端部的下游侧的空气流 周向壁部(52)。 在该冷却装置中,冷却风扇(21)的空气流动方向的下游侧端部在空气流动方向上位于比内周壁部(52)的下游侧端部更靠下游侧的气流侧, 在外周壁部53的长度与内周壁部52的长度方向的空气流动方向之间的距离在1.07〜1.81的范围内,外周壁部53和 内周壁部分(52)在15-55mm的范围内。
    • 8. 发明公开
    • 냉각 장치 및 이것을 구비한 건설 기계 또는 작업 기계
    • 冷却装置及其配套机器或配套机器
    • KR1020100046213A
    • 2010-05-06
    • KR1020107003864
    • 2008-08-29
    • 가부시키가이샤 고마쓰 세이사쿠쇼
    • 야베미츠오시노다히로키이케다마사히로와타나베토모야카와노아츠시후치타세이이치쿠스야마야스히로마츠키테루유키
    • B60K11/04E02F9/00F01P11/10
    • E02F9/00B60K11/04E02F9/0866F01P11/10F04D29/164
    • A cooling device comprises a cooling fan (21), a shroud provided on the outer circumferential side of the cooling fan (21), an inner circumferential wall portion (52) arranged on the shroud in the vicinity of the outer circumferential portion of the cooling fan (21), and an outer circumferential wall portion (53) provided around the inner circumferential wall portion (52). In this cooling device, the downstream side end of the outer circumferential edge of the cooling fan (21) in the air flow direction is located on the farther air flow downstream side than the downstream side end of the inner circumferential wall portion (52) in the air flow direction, and the angle (E) between a line (L1) connecting the downstream side end of the inner circumferential wall portion (52) in the air flow direction and the downstream side end of the outer circumferential wall portion (53) in the air flow direction and a line (L2) perpendicular to the air flow direction is within the range of 9-45 degrees on the cross-section of the inner circumferential wall portion (52) and the outer circumferential wall portion (53) along the air flow direction.
    • 冷却装置包括冷却风扇(21),设置在冷却风扇(21)的外周侧的罩,内周壁部(52),其设置在冷却体的外周部附近的护罩上 风扇(21)和设置在所述内周壁部(52)周围的外周壁部(53)。 在该冷却装置中,冷却风扇21的外周缘的空气流动方向的下游侧端部位于比内周壁部52的下游侧端部更远的气流下游侧, 空气流动方向和连接在内周壁部52的下游侧端部的空气流动方向的线(L1)与外周壁部53的下游侧端部之间的角度(E) 在空气流动方向上,垂直于空气流动方向的线(L2)在内周壁部分(52)和外周壁部分(53)的横截面上沿9-45度的范围内 空气流动方向。