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    • 14. 发明公开
    • Cooling system for internal combustion engine
    • KühlsystemfürVerbrennungsmotor
    • EP2108794A1
    • 2009-10-14
    • EP09000234.6
    • 2009-01-09
    • Honda Motor Co., Ltd.
    • SUGIURA, Hiroyuki c/o Honda R&D Co., Ltd.
    • F01P3/00
    • F01P3/00F01P2003/006F01P2050/16
    • Object A cooling system of an internal combustion engine is provided that can improve the cooling efficiency of a cooling portion.
      Solving Means A cooling system includes: an oil pump 51 for supplying oil under pressure; a cylinder head 15 forming part of a combustion chamber 20; a cooling portion 70 formed in the cylinder head 15 and adapted to allow circulating oil to cool heat transmitted from the combustion chamber 20; an oil cooler 41 for cooling oil; and a thermostat 60 for switching between an oil passage 87 routed through the oil cooler 41 and a bypass passage 84 bypassing the oil cooler 41. The thermostat 60 is disposed in an oil passage between the oil pump 51 and the cooling portion 70.
    • 对象提供能够提高冷却部的冷却效率的内燃机的冷却系统。 解决方案冷却系统包括:用于在压力下供应油的油泵51; 形成燃烧室20的一部分的气缸盖15; 形成在气缸盖15中并适于允许循环油冷却从燃烧室20传递的热量的冷却部分70; 用于冷却油的油冷却器41; 以及用于切换通过油冷却器41通过的油路87与绕过油冷却器41的旁路通路84之间切换的恒温器60.恒温器60配置在油泵51与冷却部70之间的油路中。
    • 19. 发明公开
    • INTERNAL COMBUSTION ENGINE FOR MOTORCYCLE
    • VERBRENNUNGSMOTORFÜRMOTORRAD
    • EP1441114A1
    • 2004-07-28
    • EP02760832.2
    • 2002-09-13
    • Honda Giken Kogyo Kabushiki Kaisha
    • FUNAYAMA, YoshihiroOTSUBO, MamoruSAWAMURA, YoshinobuAKUTSU, Toshiharu
    • F01P1/02
    • F01P1/02F01P2050/16F02B61/02F02B75/16
    • An internal combustion engine for a motorcycle provided with a leg shield (15) having right and left side walls extending on the opposite sides of a front frame (2) extending obliquely downward toward the rear from an upper part of a front fork (5). The internal combustion engine includes a cylinder (10) and a cylinder head (11). The internal combustion engine is suspended from the front frame (2) with the axis (C) of the cylinder (10) substantially horizontally extended, and the right and the left side wall of the leg shield (15) are extended on the right and the left side of the front frame (2), respectively, so as to cover the opposite sides of the cylinder (10) and the cylinder head (11). At least either the cylinder (10) or the cylinder head (11) is provided on its upper and lower side surfaces with first cooling fins (10a, 11a) parallel to the axis (C) of the cylinder (10), and at least either the cylinder (10) or the cylinder head (11) is provided on its right and left side surfaces with second cooling fins (10b, 11b) extending perpendicularly or substantially perpendicularly to the axis (C) of the cylinder (10). The substantially vertical second cooling fins (10b, 11b) enable air that has flowed into the depth of a space defined by the internal combustion engine (8), the front frame (2) and the right and the left side wall of the leg shield (15) to flow downward.
    • 一种具有腿部护罩(15)的摩托车用内燃机,其具有在从前叉(5)的上部向后方向后方延伸的前框架(2)的相对侧延伸的左右侧壁, 。 内燃机包括气缸(10)和气缸盖(11)。 内燃机从缸体(10)的轴线(C)基本上水平延伸而悬挂在前框架(2)上,并且腿罩(15)的右侧壁和左侧壁在右侧延伸, 分别位于前框架(2)的左侧,以覆盖气缸(10)和气缸盖(11)的相对侧。 气缸(10)或气缸盖(11)中的至少一个在其上下表面设置有平行于气缸(10)的轴线(C)的第一散热片(10a,11a),并且至少 气缸(10)或气缸盖(11)在其右侧和左侧表面上设有与气缸(10)的轴线(C)垂直或大致垂直延伸的第二散热片(10b,11b)。 基本上垂直的第二冷却片(10b,11b)使空气流入由内燃机(8),前框架(2)和腿罩的右侧壁和左侧壁限定的空间的深度 (15)向下流动。