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31.发明授权Combustion type power tool having fin in low turbulent combustion region within combustion chamber 有权燃烧式电动工具在燃烧室内的低湍流燃烧区域内具有翅片公开(公告)号：US07455036B2
公开(公告)日：2008-11-25
申请号：US11448756
申请日：2006-06-08
CPC分类号： B25C1/08
摘要： A combustion-type power tool includes a housing, a head portion, a cylinder disposed in the housing, and a push lever. A piston is reciprocally movable in the cylinder, and a combustion-chamber frame is disposed in the housing and abuttable on the head portion to provide a combustion chamber in cooperation with the head portion and the piston. A fuel supplying portion supplies the fuel into the combustion chamber, a motor is disposed at the head portion, and a fan is disposed in the combustion chamber and connected to an output shaft of the motor so as to promote turbulent combustion of an air-fuel mixture. The fan and the combustion-chamber frame define a high turbulent-combustion region and a low turbulent-combustion region, a fin of one shape is located within the low turbulent-combustion region, and another fin of another shape has a part thereof located in the high turbulent-combustion region.
摘要翻译： 燃烧式电动工具包括壳体，头部，设置在壳体中的气缸和推杆。 活塞在气缸中可往复运动，并且燃烧室框架设置在壳体中并抵靠在头部上，以与头部和活塞协作提供燃烧室。 燃料供给部将燃料供给到燃烧室，电动机设置在头部，并且风扇设置在燃烧室中并连接到电动机的输出轴，以促进空气燃料的湍流燃烧 混合物。 风扇和燃烧室框架限定高湍流燃烧区域和低湍流燃烧区域，一个形状的翅片位于低湍流燃烧区域内，另一个形状的另一个翅片的一部分位于 高湍流燃烧区域。
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公开(公告)号：US07387092B2
公开(公告)日：2008-06-17
申请号：US11764953
申请日：2007-06-19
CPC分类号： B25C1/08
摘要： A combustion-type power tool includes a housing, a cylinder, a cylinder head, a combustion chamber frame, and a rotatable fan. The combustion chamber frame including a base section, a head section abuttable on the cylinder head to provide a combustion chamber when the combustion chamber frame is at a first position, and a connection portion for connecting the head section with the base section. The fan includes fan blades which define a widthwise center line and having widthwise edge portions which define a widthwise edge line at a side of the cylinder head. The widthwise center line is offset from the connection portion toward another end of the housing, and the widthwise edge line is offset from the connection portion toward the cylinder head when the combustion chamber frame is at a second position.
摘要翻译： 燃烧式电动工具包括壳体，气缸，气缸盖，燃烧室框架和可旋转风扇。 所述燃烧室框架包括基部，当所述燃烧室框架处于第一位置时可靠接在所述气缸盖上以提供燃烧室的头部，以及用于将所述头部与所述基部连接的连接部。 风扇包括限定宽度方向中心线并且具有宽度方向边缘部分的风扇叶片，该宽度方向边缘部分在气缸盖侧面限定宽度方向的边缘线。 当燃烧室框架处于第二位置时，横向中心线从连接部分朝向壳体的另一端偏移，并且横向边缘线从连接部分朝向气缸盖偏移。
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公开(公告)号：US07237515B2
公开(公告)日：2007-07-03
申请号：US11208593
申请日：2005-08-23
CPC分类号： B25C1/08
摘要： A combustion-type power tool having a cooling arrangement for cooling a cylinder. The tool includes a housing, a cylinder head at one end of the housing, a push lever disposed at another end of the housing, and a combustion chamber frame including a base section and a head section. The head section has a disc like connecting portion extending from an end of the base section and a sleeve like abutment section extending from the connecting portion toward a cylinder head. A fan is disposed in a combustion chamber and is fixed to a rotation shaft of a motor supported to the cylinder head. The fan has fan blades. The fan blades define a widthwise center line in the axial direction of the rotation shaft. The center line is offset from the connecting portion and toward the push lever. The fan blades define widthwise edges in confrontation with the cylinder head. The widthwise edge is positioned in alignment with the connecting portion or offset therefrom toward the cylinder head.
摘要翻译： 一种具有用于冷却气缸的冷却装置的燃烧式动力工具。 该工具包括壳体，壳体的一端处的气缸盖，设置在壳体的另一端的推杆，以及包括基部和头部的燃烧室框架。 头部具有从基部的端部延伸的盘状连接部分和从连接部分朝向气缸盖延伸的套筒状邻接部分。 风扇设置在燃烧室中并且固定到支撑在气缸盖上的电动机的旋转轴。 风扇有风扇叶片。 风扇叶片在旋转轴的轴向方向上限定宽度方向的中心线。 中心线偏离连接部分并朝向推杆。 风扇叶片限定了与气缸盖对置的宽度方向的边缘。 宽度方向边缘与连接部分对准或者朝向气缸盖偏移。
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公开(公告)号：US07121442B2
公开(公告)日：2006-10-17
申请号：US11108734
申请日：2005-04-19
IPC分类号： B25C1/08
CPC分类号： B25C1/08
摘要： A combustion-type nail driver uses a motor for driving a fan. A motor holder formed from plastic accommodates the motor. A cylinder head has a motor holder receiving portion in which the motor holder is slidably movably disposed. A coil spring has one end secured to the motor holder and another end secured to the cylinder head to thereby support the motor holder. Initial acceleration applied to the motor when combustion occurs can be suppressed and impact imparted upon the motor can also be suppressed by friction between the outer periphery of the motor holder and the inner periphery of the motor holder receiving portion. A heat shielding plate is interposed between the lower end surface of the motor and the cylinder head in order to prevent hot air combustion gas from entering into the motor.
摘要翻译： 燃烧式指甲师使用电动机来驱动风扇。 由塑料制成的电动机支架容纳电动机。 气缸盖具有电动机保持器接收部，电动机保持器可滑动地移动。 螺旋弹簧的一端固定到电动机保持器，另一端固定到气缸盖，从而支撑电动机支架。 可以抑制当发生燃烧时施加到电动机的初始加速度，还可以通过电动机保持器的外周与电动机保持器接收部的内周之间的摩擦来抑制对电动机施加的冲击。 为了防止热空气燃烧气体进入电动机，在电动机的下端面与气缸盖之间插入有隔热板。
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公开(公告)号：US07066117B2
公开(公告)日：2006-06-27
申请号：US10997944
申请日：2004-11-29
申请人： Tomomasa Nishikawa , Hiroto Inagawa
发明人： Tomomasa Nishikawa , Hiroto Inagawa
IPC分类号： B25C1/04
CPC分类号： B25C1/08
摘要： A combustion type power tool capable of restraining reduction in output power due to lowering of combustion efficiency. A specific space within a combustion-chamber frame is enlarged. The specific space contains a specific region where high turbulence occurs in a combustion chamber at which a fuel is ignited. The enlargement is made by providing an enlarged distance between a rotation shaft of the fan and an inner wall of the combustion-chamber frame. When the turbulent combustion occurring at the specific region is expanded in the combustion chamber, flame propagation contour of the turbulent combustion reaches the wall of the combustion-chamber frame and ribs at a delayed timing. Therefore, after the turbulent combustion is sufficiently promoted, the flame reaches the combustion-chamber frame and the ribs. In other words, the flame does not reach the combustion-chamber frame and the ribs at the initial stage of turbulent combustion.
摘要翻译： 一种能够抑制由于燃烧效率降低导致的输出功率降低的燃烧式电动工具。 燃烧室框架内的特定空间被扩大。 特定空间包含在燃烧室中燃烧高的湍流发生的特定区域。 通过在风扇的旋转轴和燃烧室框架的内壁之间提供放大的距离来进行放大。 当在燃烧室内发生在特定区域发生的湍流燃烧时，湍流燃烧的火焰传播轮廓在延迟的时间到达燃烧室框架的壁和肋条。 因此，在充分促进湍流燃烧之后，火焰到达燃烧室框架和肋条。 换句话说，火焰在湍流燃烧的初始阶段没有到达燃烧室框架和肋条。
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36.发明授权公开(公告)号：US07063053B2
公开(公告)日：2006-06-20
申请号：US11122013
申请日：2005-05-05
CPC分类号： B25C1/08
摘要： A combustion-type power tool includes a cylinder having a peripheral wall which has an inner peripheral surface and an outer peripheral surface. The peripheral wall is formed with an exhaust hole at a first axial position. A piston is reciprocally movable in an axial direction and is slidable in contact with the inner peripheral surface. A combustion-chamber frame is abuttable on a head portion to provide a combustion chamber in cooperation with the head portion and the piston. The piston allows the combustion chamber to be in fluid communication with an atmosphere through an upper space above the piston and through the exhaust hole when the piston is located at a bottom dead center. The fin is disposed at the outer peripheral surface and has a portion extending in a direction slanted in relation to the axial direction and oriented toward the exhaust hole.
摘要翻译： 燃烧型电动工具包括具有内周面和外周面的周壁的圆筒。 周壁在第一轴向位置处形成有排气孔。 活塞可在轴向方向上往复移动并且可与内周表面接触地滑动。 燃烧室框架可抵靠在头部上，以与头部和活塞协作提供燃烧室。 当活塞位于下死点时，活塞允许燃烧室通过活塞上方的上部空间和排气孔与大气流体连通。 翅片设置在外周面，具有相对于轴向倾斜的方向延伸并朝向排气孔的部分。
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公开(公告)号：US20050196273A1
公开(公告)日：2005-09-08
申请号：US11068925
申请日：2005-03-02
CPC分类号： H02K9/06 , B25F5/008 , F04D29/281 , F04D29/30 , H02K7/145 , H02K2213/03
摘要： Blades are provided on a fan body such that an outer diameter d2 of the fan body is in a range of 45 mm≦d2≦50 mm, an axial height h1 at a substantially intermediate position of the blade is in a range of 0.2≦h1/d2≦0.3 with respect to the outer diameter of the fan body, and an axial height h2 at an outer peripheral edge of the blade is in a range of 0.12≦h2/d2≦0.17 with respect to the outer diameter d2 of the fan body.
摘要翻译： 叶片设置在风扇体上，使得风扇主体的外径d 2在45mm <= d 2 <= 50mm的范围内，叶片的大致中间位置处的轴向高度h 1为 相对于风扇外径的0.2 <= h 1 / d 2 <= 0.3的范围，叶片的外周边缘的轴向高度h 2在0.12 <= h 2 / d的范围内 2 <= 0.17相对于风扇主体的外径d 2。
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公开(公告)号：US20050001004A1
公开(公告)日：2005-01-06
申请号：US10870932
申请日：2004-06-21
CPC分类号： B25C1/08
摘要： A combustion-powered driving tool for driving nails or other fasteners in which the starting characteristics of a motor in the tool are improved by varying the amount of voltage applied to the motor when starting the motor and during normal operations so that the motor is driven to reach the rotational speed required in normal operations quickly. Therefore, the combustion-powered driving tool does not require the use of an expensive low-inertia motor, but can use a relatively inexpensive core-type motor or the like with inferior starting characteristics, while improving the work efficiency and user-friendliness of the combustion-powered driving tool.
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公开(公告)号：US06597572B2
公开(公告)日：2003-07-22
申请号：US10117326
申请日：2002-04-08
IPC分类号： H05K720
CPC分类号： H02J7/0042 , B25F5/00
摘要： In a DC power source unit that can selectively charge a battery pack and supply DC power to a cordless power tool through an adaptor shaped like the battery pack, a battery pack insertion space, into which the battery pack is inserted to charge, is substantially sealed or closed so as not to be in fluid communication with the inner space in which the circuit components are disposed. Cooling air for cooling the circuit components are not disturbed by disturbing air flow which may otherwise be created if the battery pack insertion space is not sealed.
摘要翻译： 在直流电源单元中，可以选择性地对电池组进行充电并且通过形状如电池组的适配器向无绳电动工具提供直流电力，电池组插入其中以充电的电池组插入空间基本上被密封 或关闭，以便不与设置电路部件的内部空间流体连通。 用于冷却电路部件的冷却空气不会受到干扰气流的干扰，如果电池组插入空间未被密封，否则可能产生气流。
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公开(公告)号：US20140209341A1
公开(公告)日：2014-07-31
申请号：US14125728
申请日：2012-08-10
申请人： Tomomasa Nishikawa , Tetsuhiro Harada , Hiroki Uchida , Yoshihiro Nakano , Hiroki Tsunoda , Katsuaki Sukegawa , Kazuhiko Morita
发明人： Tomomasa Nishikawa , Tetsuhiro Harada , Hiroki Uchida , Yoshihiro Nakano , Hiroki Tsunoda , Katsuaki Sukegawa , Kazuhiko Morita
CPC分类号： B23B45/02 , B25F5/008 , H02K3/522 , H02K11/33 , H02K15/0056 , H02K15/12 , Y10T29/49009
摘要： A power tool (1) and a method of producing such power tool capable of improving dust proof performance with respect to a circuit board (33) and a stator coil (31B), and capable of securing cooling performance to the circuit board. The power tool includes a brushless motor (3) having a hollow stator (31), a rotor (32) positioned in an internal space of the stator, and a motor driver circuit connected to the stator. The stator includes a coil (31B) electrically connected to the mo- for driver circuit. The coil is coated with a coating agent (31D), and the motor driver circuit is covered with an insulation cover member (33D).
摘要翻译： 一种电动工具（1）以及能够提供相对于电路板（33）和定子线圈（31B）的防尘性能的电动工具的制造方法，能够确保对电路基板的冷却性能。 电动工具包括具有中空定子（31）的无刷电动机（3），定位在定子的内部空间中的转子（32）和连接到定子的电动机驱动电路。 定子包括电连接到驱动电路的线圈（31B）。 线圈涂覆有涂层剂（31D），并且电机驱动器电路被绝缘盖构件（33D）覆盖。
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