发明授权
- 专利标题： Cooling device and construction machine or working machine equipped with the same
- 专利标题（中）： 冷却装置和施工机械或工作机器配备相同
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申请号： US12675145申请日： 2008-08-29
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公开(公告)号： US09228320B2公开(公告)日： 2016-01-05
- 发明人: Mitsuo Yabe , Hiroki Shinoda , Masahiro Ikeda , Tomoya Watanabe , Atsushi Kawano , Seiichi Fuchita , Yasuhiro Kusuyama , Teruyuki Matsuki
- 申请人： Mitsuo Yabe , Hiroki Shinoda , Masahiro Ikeda , Tomoya Watanabe , Atsushi Kawano , Seiichi Fuchita , Yasuhiro Kusuyama , Teruyuki Matsuki
- 申请人地址： JP Minato-ku, Tokyo
- 专利权人： Komatsu Ltd.
- 当前专利权人： Komatsu Ltd.
- 当前专利权人地址： JP Minato-ku, Tokyo
- 代理机构： Fish & Richardson P.C.
- 优先权： JP2007-226246 20070831; JP2008-121699 20080507
- 国际申请： PCT/JP2008/065545 WO 20080829
- 国际公布： WO2009/028670 WO 20090305
- 主分类号： B60H1/00
- IPC分类号： B60H1/00 ; E02F9/00 ; E02F9/08 ; F01P11/10 ; F04D29/16
摘要：
A cooling device includes: a cooling fan; a shroud provided at an outer circumferential side of the cooling fan; an inner circumferential wall provided on the shroud and adjacent to the outer circumference of the cooling fan; and an outer circumferential wall provided to surround the inner circumferential wall. An air-flow-direction downstream side end of an outer circumferential edge of the cooling fan is positioned at a further downstream position in an air flow direction than an air-flow-direction downstream side end of the inner circumferential wall. An angle between: an line connecting the air-flow-direction downstream side end of the inner circumferential wall to the air-flow-direction downstream side end of the outer circumferential wall in cross section along the air flow direction of the inner circumferential wall and the outer circumferential wall; and a line orthogonal to the air flow direction, is 9 degrees or more and 45 degrees or less.
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