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1. 发明专利

JP2014234752A エンジン作業機审中-公开
标题翻译：发动机工作机
公开(公告)号：JP2014234752A
公开(公告)日：2014-12-15
申请号：JP2013116051
申请日：2013-05-31
申请人：日立工機株式会社 , Hitachi Koki Co Ltd
发明人： MURAKAMI TAKAHIRO , KONO SACHIKAZU , KAMIMURA JUNICHI , SUNAOSHI MITSUHIRO , KATAOKA TATSUNORI
IPC分类号： F02D41/00 , F02B63/02 , F02B67/00 , F02B77/00
摘要：【課題】ソレノイドを用いた燃料供給装置を駆動するための制御回路と電池を効率良く実装したエンジン作業機を実現する。【解決手段】マグネトロータと、マグネトロータを覆うファンケース35を有するエンジン作業機1において、燃料供給通路に燃料を供給する追加の燃料供給装置250を設け、燃料供給装置250を制御する制御回路を収容する空間(35c)と燃料供給装置250を駆動するための乾電池55を収容する電池室(35b、53)をファンケース35に設けた。制御回路の取り付け位置は、ファンケース35のマグネトロータに対向する側(裏側)とし、マグネトロータの磁石の回転軌跡と隣接する位置に、磁石の近接を検出する磁気検出素子を設ける。乾電池55は外部から容易にアクセスできる上に、作業の支障にならない位置に配置される。【選択図】図4
摘要翻译：要解决的问题：实现一种用于驱动使用螺线管的燃料供给装置的控制电路和电池被有效地安装的发动机工作机。解决方案：在包括磁转子和发动机壳体35的发动机工作机1中，设置有用于向燃料供给路径供给燃料的附加燃料供给装置250以及容纳有燃料供给装置250的控制电路的空间（35c）和容纳在其中的电池室（35b，53）用于驱动燃料供给装置250的电池单元55设置在风扇壳体35中。控制电路的安装位置在与磁转子相对的风扇壳体35的一侧（后侧），并且磁性检测元件检测接近的磁体设置在与磁转子的磁体的旋转轨迹相邻的位置。电池单元55布置在从外部容易接近并且不会成为工作障碍的位置。

2. 发明专利

JP2010124700A Engine working machine 有权
标题翻译：发动机工作机
公开(公告)号：JP2010124700A
公开(公告)日：2010-06-10
申请号：JP2008299317
申请日：2008-11-25
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： NAKAYAMA EIJI , OTSU SHINKI , KAMIMURA JUNICHI , SUNAOSHI MITSUHIRO
IPC分类号： A01D34/76 , A01D34/68 , A01D34/78
摘要： PROBLEM TO BE SOLVED: To provide an engine working machine that suppresses abrasion and heat generation of brake, has a long life and automatically brakes.
SOLUTION: The engine working machine includes: a centrifugal clutch for connecting and disconnecting a drive power between an output shaft of engine and a driven shaft equipped with a device according to the number of revolutions of the output shaft of the circle; an engine control switch 5 for controlling the drive state of the engine; an electromagnetic brake 11 for stopping the drive of the device; a clutch condition discrimination means 32 for discriminating whether the centrifugal clutch is changed from a connected state to a disconnected state on the basis of the output of the engine control switch 5; and a controller 7 for driving a brake means when the centrifugal clutch is discriminated to be changed from the connected state to the disconnected state on the basis of the output of the clutch condition discrimination means 32.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供抑制制动器的磨损和发热的发动机工作机械，具有长的使用寿命并自动制动。发动机工作机械包括：离心式离合器，用于连接和断开发动机的输出轴与配备有装置的从动轴之间的驱动力，该驱动轴根据圆的输出轴的转数; 用于控制发动机的驱动状态的发动机控制开关5; 用于停止装置的驱动的电磁制动器11; 用于基于发动机控制开关5的输出来判断离心式离合器是否从连接状态变为断开状态的离合器条件判别装置32; 根据离合器条件判别机构32的输出，当离心式离合器被鉴别为从连接状态变为断开状态时，驱动制动装置的控制器7.（C）2010， JPO＆INPIT

3. 发明专利

JP2003000025A Power bush cutter 审中-公开
标题翻译：电源总线切割器
公开(公告)号：JP2003000025A
公开(公告)日：2003-01-07
申请号：JP2001189734
申请日：2001-06-22
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： SUNAOSHI MITSUHIRO
IPC分类号： A01D34/68
摘要： PROBLEM TO BE SOLVED: To reduce a storage space for storage or the like in a portable power bush cutter.
SOLUTION: An operation handle unit of the portable bush cutter comprises a handle member 2, a handle member 3, a connection metal fitting 4, rivets 5, rotation axis members 6, pins 7 and springs 8. The operation handle unit has such a structure that the handle member 3 can be folded when the bush cutter is stored or the like.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了减少便携式动力式切割机中的存储等的存储空间。解决方案：便携式切布机的操作手柄单元包括手柄构件2，手柄构件3，连接金属配件4，铆钉5，旋转轴构件6，销钉7和弹簧8.操作手柄单元具有这样的结构当存储有切割器等时，手柄构件3可以被折叠。

4. 发明专利

JP2010174828A Engine working machine 审中-公开
标题翻译：发动机工作机
公开(公告)号：JP2010174828A
公开(公告)日：2010-08-12
申请号：JP2009020546
申请日：2009-01-30
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： IKEDA TOMOYA , EHATA TETSUO , SUNAOSHI MITSUHIRO
IPC分类号： F02D29/02 , F02N11/08 , F02P15/00
CPC分类号： Y02T10/48
摘要： PROBLEM TO BE SOLVED: To provide a portable engine power working machine capable of avoiding the occurrence of a starting failure of an engine caused by the wetness of an ignition plug when starting the engine in a state that a stop switch is not switched to an engine starting state from an engine stop state.
SOLUTION: The engine working machine includes a notifying means on a circuit comprising a current generating device, the stop switch and a grounding wire for notifying a worker that the stop switch is in the engine stop state. When a crankshaft is rotated by the operation of the worker pulling a starter, a current generated by the current generating device drives the notifying means.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种便携式发动机动力工作机，能够避免在停止开关未切换的状态下起动发动机时由于火花塞的湿度引起的发动机起动故障从发动机停止状态到发动机起动状态。发动机工作机械包括在电路上的通知装置，该电路包括电流产生装置，停止开关和用于通知工作人员停止开关处于发动机停止状态的接地线。当通过工作人员拉动启动器的操作使曲轴旋转时，由当前发电装置产生的电流驱动通知装置。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010081891A Hedge trimmer 审中-公开
标题翻译： HEDGE TRIMMER
公开(公告)号：JP2010081891A
公开(公告)日：2010-04-15
申请号：JP2008255716
申请日：2008-09-30
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： SHIMA TOSHIHIRO , OTSU SHINKI , KAMIMURA JUNICHI , SUNAOSHI MITSUHIRO
IPC分类号： A01G3/04 , A01D34/08 , A01D34/13 , A01G3/08
摘要： PROBLEM TO BE SOLVED: To provide a hedge trimmer having high convenience to obtain an excellent finished surface without increasing labor of a worker, such as stretching threads when working.
SOLUTION: The hedge trimmer includes a power source, a handle, and a driving blade driven by the power source to reciprocate. A laser optical receiver which puts out a signal when receiving laser on a prescribed position is set on the upper surface of the blade. Since the optical receivers can be plurally set on the upper surface of the blade and each put out a light signal according to the state of the hedge trimmer, a worker can always work in an appropriate condition.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高度便利性的树篱修剪器以获得优异的成品表面，而不会增加工作人员的劳动力，例如在工作时拉伸螺纹。
解决方案：树篱修剪器包括电源，手柄和由电源驱动的驱动叶片往复运动。在刀片的上表面设置有在规定位置上接收激光时输出信号的激光光接收器。由于光接收器可以多次设置在叶片的上表面上，并且根据树篱修剪器的状态而放出光信号，因此工作人员可以随时工作在适当的状态。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009222067A Air compressor and its control method 有权
标题翻译：空气压缩机及其控制方法
公开(公告)号：JP2009222067A
公开(公告)日：2009-10-01
申请号：JP2009161349
申请日：2009-07-08
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： IIMURA YOSHIO , ORIGASA HIROAKI , SUNAOSHI MITSUHIRO , SEGAWA KAZUHIRO
IPC分类号： F04B49/06
摘要： PROBLEM TO BE SOLVED: To provide an air compressor which has reduced noises when a small amount of air is consumed and which quickly transits to high speed rotation when a large amount of air is consumed in a short time.
SOLUTION: The air compressor for a pneumatic tool comprises a tank part 10 for storing compressed air to be used for the pneumatic tool, a compressed air generating part 20 for generating compressed air to be supplied to the tank part, a drive part 30 having a motor for driving the compressed air generating part, and a control circuit part 40 for controlling the drive part. Herein, a pressure sensor 11 and a temperature sensor are provided for detecting the pressure of the compressed air in the tank part and for detecting the temperature of the motor, respectively. The control circuit part controls the rotating speed of the motor in a plurality of steps in accordance with a detection signal P1 of the pressure sensor 11 and a pressure change rate ΔP1/ΔT1 of the detection signal P1 of the pressure sensor to a predetermined time ΔT1 and changes the rotating speed of the motor when a detection signal of the temperature sensor is greater than a predetermined value.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种空气压缩机，其在少量空气被消耗时具有降低的噪声，并且当在短时间内消耗大量空气时快速转变为高速旋转。解决方案：用于气动工具的空气压缩机包括用于存储用于气动工具的压缩空气的罐部分10，用于产生供给到罐部分的压缩空气的压缩空气产生部分20，驱动部分 30，具有用于驱动压缩空气产生部的电动机，以及用于控制驱动部的控制电路部40。这里，设置压力传感器11和温度传感器，用于检测储罐部分中的压缩空气的压力并分别检测电动机的温度。控制电路部根据压力传感器11的检测信号P1和压力传感器的检测信号P1的压力变化率ΔP1/ΔT1，将多个步骤的电动机的转速控制在规定时间ΔT1 并且当温度传感器的检测信号大于预定值时，改变电动机的转速。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008056388A Air hose reel 有权
标题翻译：空气软管卷
公开(公告)号：JP2008056388A
公开(公告)日：2008-03-13
申请号：JP2006233253
申请日：2006-08-30
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： MATSUMOTO KIHACHIRO , SUNAOSHI MITSUHIRO
IPC分类号： B65H75/40 , B65H75/14
摘要： PROBLEM TO BE SOLVED: To provide an air hose reel capable of draining water even if a tank is at any rotation position.
SOLUTION: This air hose reel 1 is provided with the tank 3 supported on a frame 2 to rotate around a rotary axis C, a discharge mechanism having a discharge port for feeding the air stored in the tank 3 into a pneumatic tool, and a drain mechanism 6 for draining the water produced in the tank 3. The tank 3 can wind a hose 52 for high pressure connected with the discharge port. The drain mechanism 6 has a discharge port part 61 having a discharge port 61a, a discharge passage part arranged on the rotary axis C to form a discharge passage communicating with the discharge port 61a, a drain valve 66 for opening and closing the discharge passage, and a water intake part 65 arranged to abut on an inner peripheral face in the lowermost part of the tank 3 and forming an opening hole 65a communicating with the discharge passage to take water into it.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使罐处于任何旋转位置，也提供能够排水的空气软管卷筒。解决方案：该空气软管卷轴1设置有支撑在框架2上以围绕旋转轴线C旋转的罐3，具有用于将存储在罐3中的空气供给到气动工具中的排出口的排出机构，以及用于排出在罐3中产生的水的排放机构6.罐3可以卷绕与排出口连接的高压软管52。排水机构6具有排出口部61，具有排出口61a，配置在旋转轴C上的排出通道部，形成与排出口61a连通的排出通路，用于打开和关闭排出通道的排出阀66，以及排水口部65，其配置成抵接在罐3的最下部的内周面上，形成与排出通路连通的开孔65a，将其吸入。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2004316507A Air compressor, and control method thereof 有权
公开(公告)号：JP2004316507A
公开(公告)日：2004-11-11
申请号：JP2003109888
申请日：2003-04-15
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： IIMURA YOSHIO , ORIGASA HIROAKI , UCHIDA TOSHIAKI , SUNAOSHI MITSUHIRO , SEGAWA KAZUHIRO
IPC分类号： F04C28/08 , F04B49/06 , F04C29/10
摘要： PROBLEM TO BE SOLVED: To provide an air compressor which generates less noise when air consumption quantity is less, and which quickly transfers to high speed rotation in a case of consuming mass quantity of air in short time.
SOLUTION: This air compressor for an air tool comprises a tank part to store compression air to be used for the air tool, a compression air generating part to generate compression air to be supplied to the tank part, a drive part having a motor to drive the compression air generating part, and a control circuit part to control the drive part. It is provided with a pressure sensor to detect pressure of the compression air in the tank part. The control circuit part determines a pressure change ratio ΔP1/ΔT1 of pressure in the tank part in relatively short time ΔT1, and a pressure change ratio ΔP2/ΔT2 of pressure in the tank part in time ΔT2 that is longer than ΔT1 based on detection signals of the pressure sensor, and controls rotation speed of the motor in a plurality of stages in accordance with the pressure change ratio.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2010174520A Engine cutter, engine cutter with wheels, and cutting method 有权
标题翻译：发动机切割机，带轮的发动机切割机和切割方法
公开(公告)号：JP2010174520A
公开(公告)日：2010-08-12
申请号：JP2009018864
申请日：2009-01-29
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： SHIMA TOSHIHIRO , NIWA KENJI , OTSU SHINKI , KAMIMURA JUNICHI , SUNAOSHI MITSUHIRO
IPC分类号： E01C23/09 , G01S1/70
CPC分类号： E01C23/0933 , B23D59/003 , E01C19/006 , Y10T83/04 , Y10T83/263 , Y10T83/828
摘要： PROBLEM TO BE SOLVED: To realize a highly reliable road surface cutting operation by providing an engine cutter with excellent operability. SOLUTION: This engine cutter 10 with wheels includes a blade part 22, a wheel guard part 220 for covering the blade part 22, and a light emitting part 50 for emitting a laser beam 52. The wheel guard part 220 includes a cutout 224 allowing the blade part 22 to be exposed. The laser beam 52 is emitted to the inside of the cutout part 224, and the position of the light emitting part 50 is adjusted in such a manner that the laser beam 52 and the exposed blade part 22 are aligned with each other. Next, the engine cutter 10 with wheels is moved by rotating the light emitting part 50 about an axis A in such a manner that the laser beam 52 is aligned with a line in black ink which is positioned forward, and then the cutting is performed. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过提供具有优异的可操作性的发动机切割机来实现高可靠性的路面切割操作。解决方案：具有车轮的这种发动机切割器10包括刀片部分22，用于覆盖刀片部分22的车轮护罩部分220和用于发射激光束52的发光部分50.车轮护罩部分220包括切口以允许刀片部分22暴露。激光束52被发射到切口部分224的内部，并且发光部分50的位置被调节成使得激光束52和暴露的叶片部分22彼此对准。接下来，通过使发光部50围绕轴线A旋转，使得激光束52与位于前方的黑色墨水的线对齐，然后进行切割，使具有轮的发动机切割器10移动。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010084673A Engine tool 有权
标题翻译：发动机工具
公开(公告)号：JP2010084673A
公开(公告)日：2010-04-15
申请号：JP2008255714
申请日：2008-09-30
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： NAKAYAMA EIJI , OTSU SHINKI , KAMIMURA JUNICHI , SUNAOSHI MITSUHIRO
IPC分类号： F02N11/08 , F02D29/00 , F02D29/02 , F02M3/06
CPC分类号： Y02T10/48
摘要： PROBLEM TO BE SOLVED: To provide a portable engine tool that is environment friendly by improving fuel economy and improved in operability compared with a conventional portable engine tool. SOLUTION: This engine tool has a throttle motor for rotating a throttle valve of a carburetor for controlling the rotational speed of an engine and a cell motor for starting the engine mounted thereon, and is capable of switching between the rotational speed appropriate for work of the engine and the stopped state of the engine according to the operation of an on/off switch. COPYRIGHT: (C)2010,JPO&INPIT

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