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11. 发明专利

JP2012007778A Heat exchanger 审中-公开
标题翻译：热交换器
公开(公告)号：JP2012007778A
公开(公告)日：2012-01-12
申请号：JP2010142454
申请日：2010-06-23
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , SAKURAGI SHUNICHI
IPC分类号： F28F1/32 , F28F1/30
CPC分类号： F28F1/128 , F28D1/05383 , F28D2021/0094 , F28F1/126 , F28F1/24 , F28F21/084
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger capable of achieving more superior cooling effects while having superior workability by optimizing fin thickness.SOLUTION: The heat exchanger 1 is mounted on equipment used on construction sites and cools cooling water of which temperature becomes high. The heat exchanger 1 includes tubes 21 having the cooling water made to flow therein and fins 25 connected to the tubes 21 and each having an imperforate and planar heat radiating surface. The thickness of the fin 25 is set greater than 0.2 mm and up to 0.4 mm. Further, aluminum is selected as the material of the tubes 21 and the fins 25 and aluminum brazing filler is used to join the tubes and the fins to each other.
摘要翻译：要解决的问题：提供一种能够通过优化翅片厚度而具有优异的加工性能而获得更优异的冷却效果的热交换器。解决方案：热交换器1安装在施工现场使用的设备上，冷却温度变高的冷却水。热交换器1包括具有流过其中的冷却水的管21和连接到管21的翅片25，每个具有无孔和平面的散热表面。翅片25的厚度设定为大于0.2mm且高达0.4mm。此外，选择铝作为管21的材料，并且使用翅片25和铝钎焊料将管和翅片彼此连接。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2009073469A Cooling device and construction machine or working machine equipped with the same 有权
标题翻译：冷却装置及其配套机器或配套机器
公开(公告)号：JP2009073469A
公开(公告)日：2009-04-09
申请号：JP2008121698
申请日：2008-05-07
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , MATSUKI TERUYUKI , SHINODA HIROTAKA , IKEDA MASAHIRO , WATANABE TOMOYA , KONO ATSUSHI , FUCHIDA SEIICHI , KUSUYAMA YASUHIRO
IPC分类号： B60K11/04
CPC分类号： E02F9/00 , B60K11/02 , B60Y2200/412 , E02F9/0866 , F01P5/06 , F01P11/10 , F04D29/164
摘要： PROBLEM TO BE SOLVED: To provide a cooling device which sufficiently increases a flow rate of air from a cooling fan, and also to provide a construction machine equipped with this cooling device. SOLUTION: This cooling device has the cooling fan 21, a shroud provided on the outer circumferential side of the cooling fan 21, an inner circumferential wall portion 52 provided on the shroud and arranged in the vicinity of an outer circumferential portion of the cooling fan 21 around the cooling fan, 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 downstream side in the air flow direction more than the downstream side end in the air flow direction of the inner circumferential wall portion 52. The cooling fan 21 is rotatably arranged in an inside space in the radial direction of the inner circumferential wall portion 52, and the downstream side end in the air flow direction of the outer circumferential wall portion 53 exists on the upstream side more than the downstream side end in the air flow direction of the cooling fan 21. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种充分增加来自冷却风扇的空气流量的冷却装置，并且还提供配备有该冷却装置的施工机械。解决方案：该冷却装置具有冷却风扇21，设置在冷却风扇21的外周侧的护罩，设置在护罩上并配置在冷却风扇21的外周部附近的内周壁部52 围绕冷却风扇的冷却风扇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空气流动方向的下游侧，比下游侧在内周壁部52的空气流动方向上结束。冷却风扇21可旋转地布置在内周壁部52的径向的内部空间中，并且外侧的空气流动方向的下游侧端部周壁部53存在于冷却风扇21的空气流动方向上游侧的下游侧的上游侧。（C）2009，JP O＆INPIT

13. 发明专利

JP2008241052A Heat exchanger and manufacturing method thereof 审中-公开
标题翻译：热交换器及其制造方法
公开(公告)号：JP2008241052A
公开(公告)日：2008-10-09
申请号：JP2007077944
申请日：2007-03-23
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO
IPC分类号： F28F1/32 , F28F21/02
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger, increasing the heat radiating amount to improve the performance, positively securing bonding strength between a tube and a fin, and manufactured inexpensively. SOLUTION: This heat exchanger includes the tube 2 where a fluid flows through the interior and the fin 3 bonded to the tube 2, wherein the surface of at least one of the tube 2 and the fin 3 (the fin 3 in Fig.3) is provided with a thin film layer 9 formed with a larger thermal conductivity than the base material of the one to be kept away from the bonding part 10 to the other (the tube 2 in Fig.3). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供热交换器，增加散热量以提高性能，确实地确保管和翅片之间的接合强度，并且廉价地制造。解决方案：该热交换器包括管2，其中流体流过内部并且结合到管2的翅片3，其中管2和翅片3中的至少一个的表面（图1中的翅片3）（3）设有薄膜层9，该薄膜层9的导热系数比要从接合部分10远离接合部分10的基体材料（图3中的管子2）形成。版权所有（C）2009，JPO＆INPIT

14. 发明专利

JP2009073471A Cooling device and construction machine or working machine equipped with the same 有权
标题翻译：冷却装置及其配套机器或配套机器
公开(公告)号：JP2009073471A
公开(公告)日：2009-04-09
申请号：JP2008121700
申请日：2008-05-07
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , MATSUKI TERUYUKI , SHINODA HIROTAKA , IKEDA MASAHIRO , WATANABE TOMOYA , KONO ATSUSHI , FUCHIDA SEIICHI , KUSUYAMA YASUHIRO
IPC分类号： B60K11/04 , F01P11/10 , F04D29/54
CPC分类号： E02F9/00 , B60K11/04 , E02F9/0866 , F01P11/10 , F04D29/164
摘要： PROBLEM TO BE SOLVED: To provide a cooling device which sufficiently increases a flow rate of air from a cooling fan, and also to provide a construction machine or a working machine equipped with the same. SOLUTION: This cooling device has the cooling fan 21, a shroud provided on the outer circumferential side of the cooling fan 21, an inner circumferential wall portion 52 provided on the shroud and arranged in the vicinity of an 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 downstream side in the air flow direction more than the downstream side end in the air flow direction of the inner circumferential wall portion 52. The downstream side end in the air flow direction of the cooling fan 21 is located further on the downstream side in the sir flow direction than the downstream side end in the air flow direction of the inner circumferential wall portion 52, and the ratio of the length in the air flow direction of the outer circumferential wall portion 53 and the length in the air flow direction of the inner circumferential wall portion 52, is set at 1.07-1.81, and a width between the outer circumferential wall portion 53 and the inner circumferential wall portion 52 is set at 15-55 mm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种充分增加来自冷却风扇的空气流量的冷却装置，并且还提供一种配备有该冷却装置的建筑机械或工作机械。解决方案：该冷却装置具有冷却风扇21，设置在冷却风扇21的外周侧的护罩，设置在护罩上并配置在冷却风扇21的外周部附近的内周壁部52 冷却风扇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空气流动方向的下游侧，比空气中的下游侧端部内周壁部52的流动方向。冷却风扇21的空气流动方向的下游侧端部位于沿着内周的空气流动方向的下游侧的先端流动方向的下游侧壁部52，外周壁部53的空气流动方向的长度与空气流动方向的长度内周壁部52设定为1.07-1.81，外周壁部53与内周壁部52之间的宽度设定为15〜55mm。版权所有（C）2009，JPO＆INPIT

15. 发明专利

JP2009073468A Cooling device and construction machine or working machine equipped with the same 有权
标题翻译：冷却装置及其配套机器或配套机器
公开(公告)号：JP2009073468A
公开(公告)日：2009-04-09
申请号：JP2008121697
申请日：2008-05-07
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , MATSUKI TERUYUKI , SHINODA HIROTAKA , IKEDA MASAHIRO , WATANABE TOMOYA , KONO ATSUSHI , FUCHIDA SEIICHI , KUSUYAMA YASUHIRO
IPC分类号： B60K11/04
CPC分类号： E02F9/00 , B60K11/04 , B60Y2200/412 , E02F9/0866 , F01P5/06 , F01P11/10 , F04D29/164
摘要： PROBLEM TO BE SOLVED: To provide a cooling device which sufficiently increases a flow rate of air from a cooling fan, and also to provide a construction machine equipped with this cooling device.
SOLUTION: This cooling device 20 has the cooling fan 21, a shroud 40 provided on the outer circumferential side of the cooling fan 21, and a ring portion 51 provided on the shroud 40 and having an inner circumferential wall portion arranged in the vicinity of an outer circumferential portion of the cooling fan 21 and an outer circumferential wall portion provided around the inner circumferential wall portion such that the downstream side end in the air flowing direction is located on the downstream side in the air flowing direction more than the downstream side end in the air flowing direction of the inner circumferential wall portion. The downstream side end in the air flowing direction of the outer circumferential edge of the cooling fan 21 is located further on the downstream side in the air flowing direction than the downstream side end in the air flowing direction of the inner circumferential wall portion.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种充分增加来自冷却风扇的空气流量的冷却装置，并且还提供配备有该冷却装置的施工机械。解决方案：该冷却装置20具有冷却风扇21，设置在冷却风扇21的外周侧的护罩40和设置在护罩40上的环状部分51，冷却风扇21的外周部附近以及设置在内周壁部周围的外周壁部，使得空气流动方向的下游侧端部位于空气流动方向的下游侧，比下游侧在内周壁部的空气流动方向上的侧端部。冷却风扇21的外周缘的空气流动方向的下游侧端部比在内周壁部的空气流动方向上的下游侧端部位于空气流动方向的下游侧。版权所有（C）2009，JPO＆INPIT

16. 发明专利

JP2008126845A Duct structure of engine compartment, and construction machine having the same 有权
标题翻译：发动机舱的导管结构及其构造机构
公开(公告)号：JP2008126845A
公开(公告)日：2008-06-05
申请号：JP2006314347
申请日：2006-11-21
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , IKEDA MASAHIRO , WATANABE TOMOYA , SHINODA HIROTAKA , YANAGISAWA MASAKAZU , OE MASATOSHI
IPC分类号： B60K11/04 , F01P5/02 , F01P5/06 , F01P11/10
摘要： PROBLEM TO BE SOLVED: To provide a duct structure of an engine compartment capable of efficiently cooling an engine while miniaturizing the engine compartment, and a construction machine having the same.
SOLUTION: In the duct structure 20 of the engine compartment R, each member such as an engine 6 and a cooling unit 21 is efficiently arranged in the engine compartment R storing the engine 6, the cooling unit 21, a fan 22 or the like, and an opening part 31 for communicating the engine compartment R with a duct side space S is formed in a surface opposing the fan 22 in a stepped part 25a formed in a part of a partition plate 25 for partitioning the engine compartment R from the duct side space S adjacent thereto.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够有效地冷却发动机并使发动机室小型化的发动机室的管道结构，以及具有该发动机室的施工机械。解决方案：在发动机室R的管道结构20中，诸如发动机6和冷却单元21的每个构件被有效地布置在存储发动机6的发动机室R中，冷却单元21，风扇22或以及用于使发动机室R与管道侧空间S连通的开口部31形成在与分隔板25的一部分形成的阶梯部25a的与风扇22相对的表面上，用于将发动机室R从与其相邻的管道侧空间S。版权所有（C）2008，JPO＆INPIT

17. 发明专利

JP2008127889A Counterweight mounting structure and construction machine equipped with the same 有权
标题翻译：相应的安装结构和结构设备
公开(公告)号：JP2008127889A
公开(公告)日：2008-06-05
申请号：JP2006315339
申请日：2006-11-22
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： YABE MITSUO , IKEDA MASAHIRO , WATANABE TOMOYA , SHINODA HIROTAKA , YANAGISAWA MASAKAZU , OE MASATOSHI
IPC分类号： E02F9/18 , B66C23/74
摘要： PROBLEM TO BE SOLVED: To provide a counterweight mounting structure and a construction machine equipped with the counterweight mounting structure that can provide the construction machine of high sound insulating performance by reducing noise such as engine noise leaking to the outside of a vehicle body.
SOLUTION: The mounting structure 20 of a counterweight 5 comprises a frame structure 21 constituting a swivel base 3 of a hydraulic shovel 1; the counterweight 5 placed thereon; cover parts 31, 32 closing clearances S formed between the counterweight 5 and the frame structure 21; and air shielding parts 33, 34 stuck to the faces, located on the side abutting on the counterweight 5, of the cover parts 31, 32.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供配重安装结构和配备有配重安装结构的施工机械，可以通过减少诸如发动机噪声泄漏到车体外部的噪声来为建筑机械提供高隔音性能。解决方案：配重5的安装结构20包括构成液压挖掘机1的旋转底座3的框架结构21; 安置在其上的配重5; 形成在配重5和框架结构21之间的盖部31,32闭合间隙S; 以及与遮盖部件31,32对置的位于配重5侧的面上的空气遮蔽部33,34。（C）2008，JPO＆INPIT

18. 发明专利

JP2007192164A Intake noise reduction device and working machine 审中-公开
标题翻译：进入噪声减少装置和工作机器
公开(公告)号：JP2007192164A
公开(公告)日：2007-08-02
申请号：JP2006012593
申请日：2006-01-20
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： UEMURA JUNJI , OKAZAWA KOJI , YABE MITSUO , IMAMURA KAZUYA , IWASAKI MIKIO , NISHIMINE SUEYOSHI
IPC分类号： F02M35/12 , F02M35/10 , F02M35/16
CPC分类号： B60K13/02 , B60Y2200/41 , E02F9/00 , E02F9/0866 , E02F9/0891 , F02M35/10013 , F02M35/10262 , F02M35/1216 , F02M35/1255 , F02M35/1277 , F02M35/164 , Y02T10/146
摘要： PROBLEM TO BE SOLVED: To provide an intake noise reduction device having a simple structure, manufactured inexpensively and arrangeable without requiring a specific installation space. SOLUTION: A plurality of reinforcement plates 24 are fixed to an inner face of an engine hood 20 of an engine cover 17. In spaces partitioned by first to fourth reinforcement plates 24a to 24d out of the reinforcement plates 24, an expansion chamber 26 communicated with an intake passage 23 leading to an engine and resonance chambers 27, 28 connected to the expansion chamber 26 via ports 29 are formed. COPYRIGHT: (C)2007,JPO&INPIT

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