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1. 发明授权

EP2527540B1 COOLING STRUCTURE FOR CONSTRUCTION MACHINE 有权
公开(公告)号：EP2527540B1
公开(公告)日：2019-07-17
申请号：EP11734541.3
申请日：2011-01-07
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： ATARASHI Takayuki , TERAKADO Shuichi , FUNABASHI Shigehisa , OKUMURA Shinya , KIEDA Shigekazu , OTA Yasunori
IPC分类号： B60L58/26 , E02F9/00 , B60K1/04 , B60K11/06 , E02F9/18 , B60K6/20 , B60K11/04 , E02F9/08 , B60K1/00

2. 发明公开

EP2527540A1 COOLING STRUCTURE FOR CONSTRUCTION MACHINE 有权
标题翻译： KÜHLSTRUKTURFÜREINE BAUMASCHINE
公开(公告)号：EP2527540A1
公开(公告)日：2012-11-28
申请号：EP11734541.3
申请日：2011-01-07
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： ATARASHI Takayuki , TERAKADO Shuichi , FUNABASHI Shigehisa , OKUMURA Shinya , KIEDA Shigekazu , OTA Yasunori
IPC分类号： E02F9/00 , B60K1/04 , B60K11/06 , E02F9/18
CPC分类号： E02F9/08 , B60K1/04 , B60K6/20 , B60K11/04 , B60K2001/005 , B60K2001/0416 , B60L58/26 , B60Y2200/412 , B60Y2400/61 , E02F9/18 , Y02T10/7011 , Y02T10/7016 , Y02T10/705
摘要： [Object]
To provide a cooling structure for a construction machine which can efficiently discharge heat generated in batteries and prevent exhaust air of an engine room from being sucked in the batteries.
[Solution Means]
In a cooling structure for a construction machine, the construction machine including an engine room 5 having an engine 4, a radiator 11 for cooling the engine 4, and a hydraulic pump 7 which are arranged therein, and a counterweight area 6 which is located adjacent to the engine room 5 and in which batteries 27 are installed, a ventilation passage 23 for cooling the engine room 5 and a ventilation passage 34 for cooling the batteries 27 are formed separately and independently in the substantially same direction, and a flowing direction of cooling air flowing in the ventilation passage 23 for cooling the engine room 5 and a flowing direction of cooling air flowing in the ventilation passage 34 for cooling the batteries 27 are substantially parallel to each other.
摘要翻译：本发明提供一种能够有效地排出电池产生的热量并防止发动机室的排气被吸入电池的施工机械的冷却结构。 [解决方案]在建筑机械的冷却结构中，包括具有发动机4的发动机室5，用于冷却发动机4的散热器11和设置在其中的液压泵7的施工机械和配重区域6 其位于发动机室5附近并且其中安装有电池27，用于冷却发动机室5的通风通道23和用于冷却电池27的通风通道34在大致相同的方向上分别独立地形成，并且在用于冷却发动机室5的通风通道23中流动的冷却空气的流动方向和在用于冷却电池27的通风通道34中流动的冷却空气的流动方向基本上彼此平行。

3. 发明公开

EP2698904A1 ELECTRIC MOTOR 审中-公开
标题翻译：电动马达
公开(公告)号：EP2698904A1
公开(公告)日：2014-02-19
申请号：EP12771671.0
申请日：2012-04-12
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： OKUMURA Shinya , SATAKE Hidetoshi , OJIMA Mitsugu
IPC分类号： H02K5/22
CPC分类号： H02K5/225
摘要： To provide an electric motor that can reduce the labor of its installation work.
An electric motor is provided with a motor casing (2) with an armature accommodated therein, a flange (3) formed projecting in a rim shape on an outer side wall of the motor casing (2) and provided with plural portions where the flange can be fastened by screws, a conductive part (30) electrically connected to the armature, arranged exposed on the outer side wall of the motor casing (2) and located on a side of a centerline (O) of the motor casing (2) relative to the portions of the flange (3) where the flange can be fastened by the screws, an electric wire (20) having a terminal (21) at an end thereof, electrically connected at a position of the terminal (21) to the conductive part (30) and connected at an opposite end thereof to a power supply, and a cover member (10) detachably attached to the outer side wall of themotorcasing (2) while covering the terminal (21) and conductive part (30) which are in an electrically connected state.
摘要翻译：提供一种可减少安装工作量的电动机。电动机具备收纳有电枢的电动机壳体（2），在该电动机壳体（2）的外侧壁上以凸缘状突出形成的凸缘部（3），该凸缘部（2）的外侧壁上并且位于马达壳体（2）的相对中心线（O）的一侧的相对于电枢电连接的导电部分（30）（3）的凸缘可以通过螺钉固定的部分，电线（20）在其端部具有端子（21），电线（20）在端子（21）的位置处与导电体（30），并在其相对端连接到电源;以及盖部件（10），其可拆卸地附接到所述电动外壳（2）的外侧壁，同时覆盖所述端子（21）和所述导电部分处于电连接状态。

4. 发明公开

EP2568086A1 ELECTRIC WORK VEHICLE 有权
标题翻译： ELEKTRISCHES NUTZFAHRZEUG
公开(公告)号：EP2568086A1
公开(公告)日：2013-03-13
申请号：EP11809700.5
申请日：2011-07-21
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： OKUMURA Shinya , OJIMA Mitsugu , OTA Yasunori , ISHIDA Toshihiko , HIROKI Takenori
IPC分类号： E02F9/08 , E02F9/20
CPC分类号： E02F9/08 , B60L2200/40 , B60L2210/40 , B60L2270/145 , E02F9/0858 , E02F9/123 , E02F9/20 , E02F9/2025 , E02F9/207 , E02F9/2075 , E02F9/2095 , H01L2924/00 , H01L2924/0002 , Y02T10/7241
摘要： [Problem] Provided is an electric work vehicle in which the length of a high-tension cable connecting an electric motor included in a slewing motor with an inverter for controlling the electric motor can be set to be comparatively short.
[Means for Resolution] The invention is configured in such a manner that a region on a main frame 1 is divided into three regions consisting of a center region S, a first side region L, and a second side region R, by means of a first vertical rib 1a and a second vertical rib 1b, a slewing hydraulic motor 8 and a slew assist electric motor 21, which constitute the slewing motor, are disposed in the center region S, and an inverter 22 for controlling the slew assist electric motor 21 is disposed in a position near the second vertical rib 1b in a second tool chamber 13 provided in the second side region R, i.e. the inverter 22 is disposed in a position close to the slew assist electric motor 21.
摘要翻译： [问题]提供一种电动作业车辆，其中连接包括在回转电动机中的电动机的高压电缆与控制电动机的逆变器的长度可以设置得相对较短。 [解决方法]本发明以这样的方式配置，即主框架1上的区域被分为由中心区域S，第一侧面区域L和第二侧面区域R构成的三个区域，借助于构成回转电动机的第一纵肋1a和第二纵肋1b，回转液压马达8和回转辅助电动机21设置在中心区域S中，以及用于控制回转电动机21的逆变器22 设置在设置在第二侧区域R中的第二工具室13中的靠近第二纵肋1b的位置，即逆变器22设置在靠近回转辅助电动机21的位置。

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