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1. 发明授权

US07500587B2 Combustion-type power tool 有权
标题翻译：燃烧式电动工具
公开(公告)号：US07500587B2
公开(公告)日：2009-03-10
申请号：US11542155
申请日：2006-10-04
申请人： Yoshitaka Akiba , Tomomasa Nishikawa , Kunio Yamamoto , Shinki Ohtsu , Haruhisa Fujisawa
发明人： Yoshitaka Akiba , Tomomasa Nishikawa , Kunio Yamamoto , Shinki Ohtsu , Haruhisa Fujisawa
IPC分类号： B25C1/08
CPC分类号： B25C1/08
摘要： A combustion-type power tool includes a housing, a cylinder head disposed at one end of the housing, a cylinder in the housing, a piston slidably disposed in the cylinder, and a driver blade connected to the piston. A combustion-chamber is provided in the housing, a fan is disposed in the combustion chamber, and a motor having an output shaft is coupled to the fan. A motor holder accommodates the motor, and the cylinder head is formed with a motor holder receiving portion in which the motor holder is slidably movably disposed. An elastic member is disposed in a gap formed between the motor holder and the motor holder receiving portion.
摘要翻译：燃烧式电动工具包括壳体，设置在壳体的一端的气缸盖，壳体中的气缸，可滑动地设置在气缸中的活塞以及连接到活塞的驱动器叶片。燃烧室设置在壳体中，风扇设置在燃烧室中，具有输出轴的电动机联接到风扇。电动机保持器容纳电动机，气缸盖形成有电动机保持器容纳部，电动机保持器可滑动地移动。弹性构件设置在形成在电动机支架和电动机支架接收部之间的间隙中。

2. 发明授权

US07131404B2 Combustion-type power tool having gas canister cooling arrangement 有权
标题翻译：具有气罐冷却装置的燃烧式电动工具
公开(公告)号：US07131404B2
公开(公告)日：2006-11-07
申请号：US11208586
申请日：2005-08-23
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Shoichi Hirai , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Shoichi Hirai , Haruhisa Fujisawa
IPC分类号： F02B71/00 , F02P5/00
CPC分类号： B25C1/08
摘要： A combustion-type power tool having a cooling arrangement for cooling a gas canister. The tool includes a housing having a gas canister accommodating section in which a gas canister is accommodated. An air passage is defined between the gas canister accommodating section and the gas canister accommodated therein. The gas canister accommodating section is formed with an air inlet port in communication with the air passage for introducing air into the air passage. Since air flows along the gas canister, the gas canister can be cooled. If the tool is provided with a fan, the rotation of the fan causes air suction passing through the air passage.
摘要翻译：一种具有用于冷却气罐的冷却装置的燃烧型动力工具。该工具包括具有容纳燃气罐的气体容纳部分的壳体。在气体容纳部分和容纳在其中的气体罐之间限定一个空气通道。燃气罐容纳部形成有与空气通道连通的空气入口，用于将空气引入空气通道。由于空气沿着气罐流动，气罐可被冷却。如果该工具设置有风扇，则风扇的旋转引起通过空气通道的空气吸入。

3. 发明申请

US20060225675A1 Combustion type power tool having fin in low turbulent combustion region within combustion chamber 有权
标题翻译：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：US20060225675A1
公开(公告)日：2006-10-12
申请号：US11448756
申请日：2006-06-08
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
IPC分类号： F02B71/00 , B25C1/14 , B25C5/02
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。

4. 发明申请

US20060144889A1 Combustion-type power tool with exhaust gas flow regulating rib 有权
标题翻译：具有废气流量调节肋的燃烧式电动工具
公开(公告)号：US20060144889A1
公开(公告)日：2006-07-06
申请号：US11311250
申请日：2005-12-20
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Shoichi Hirai , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Shoichi Hirai , Haruhisa Fujisawa
IPC分类号： B21J15/28 , F02B71/00
CPC分类号： F02B63/02 , B25C1/08 , F02B71/04 , F02F1/065
摘要： A combustion-type power tool includes a cylinder and a combustion chamber frame disposed to surround the cylinder and movable along the cylinder. A combustion chamber is formed on top of the cylinder that accommodates a gaseous mixture of existing air in the combustion chamber and fuel injected therein from a gas cylinder. A spark plug generates a spark to combust the gaseous mixture in the combustion chamber. A trigger switch produces the spark in the spark plug when operated. A piston slidably moves along the inner surface of the cylinder and driven by combustion in the combustion chamber. A driving blade is secured to the piston for driving a fastener. A partition wall divides the inner space of the outer frame into a first space in which the cylinder and the combustion chamber frame are disposed and a second space in which the gas cylinder is disposed. The partition wall is formed with a through-hole through which the first space and the second space are in fluid communication with each other. A plurality of ribs is formed on the outer surface of the cylinder for regulating an exhaust gas flow generated by combustion of the gaseous mixture in the combustion chamber. With the ribs, the exhaust gas discharged from the combustion chamber is not directed toward the through-hole, thereby preventing the gas container from heating up.
摘要翻译：一种燃烧式电动工具包括一个气缸和一个燃烧室框架，该燃烧室框架设置成围绕气缸并沿气缸移动。燃烧室形成在气缸的顶部，其容纳燃烧室中的现有空气的气体混合物和从气瓶注入的燃料。火花塞产生火花以燃烧燃烧室中的气体混合物。触发开关在操作时产生火花塞中的火花。活塞沿着气缸的内表面滑动地移动，并通过燃烧室中的燃烧而驱动。驱动叶片固定在活塞上用于驱动紧固件。分隔壁将外框架的内部空间划分成其中设置有气缸和燃烧室框架的第一空间和设置气瓶的第二空间。分隔壁形成有通孔，第一空间和第二空间通过该通孔彼此流体连通。在气缸的外表面上形成多个肋，用于调节由燃烧室中的气体混合物的燃烧产生的废气流。利用肋，从燃烧室排出的废气不指向通孔，从而防止气体容器升温。

5. 发明授权

US07455036B2 Combustion type power tool having fin in low turbulent combustion region within combustion chamber 有权
标题翻译：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
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
IPC分类号： F02B71/00 , B25C1/12
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。

6. 发明授权

US07387092B2 Combustion-type power tool having cooling arrangement 有权
标题翻译：具有冷却装置的燃烧式电动工具
公开(公告)号：US07387092B2
公开(公告)日：2008-06-17
申请号：US11764953
申请日：2007-06-19
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
IPC分类号： F02B71/00 , B25C1/12
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。

7. 发明申请

US20070240651A1 Combustion-Type Power Tool Having Cooling Arrangement 有权
标题翻译：具有冷却装置的燃烧式电动工具
公开(公告)号：US20070240651A1
公开(公告)日：2007-10-18
申请号：US11764953
申请日：2007-06-19
申请人： Tomomasa NISHIKAWA , Yoshitaka Akiba , Haruhisa Fujisawa
发明人： Tomomasa NISHIKAWA , Yoshitaka Akiba , Haruhisa Fujisawa
IPC分类号： F01P1/00 , F02B71/00
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。

8. 发明授权

US07237515B2 Combustion-type power tool having cooling arrangement 有权
标题翻译：具有冷却装置的燃烧式电动工具
公开(公告)号：US07237515B2
公开(公告)日：2007-07-03
申请号：US11208593
申请日：2005-08-23
申请人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
发明人： Tomomasa Nishikawa , Yoshitaka Akiba , Haruhisa Fujisawa
IPC分类号： F02B71/00 , B25C1/12
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。

9. 发明授权

US07121442B2 Combustion-type power tool 有权
标题翻译：燃烧式电动工具
公开(公告)号：US07121442B2
公开(公告)日：2006-10-17
申请号：US11108734
申请日：2005-04-19
申请人： Yoshitaka Akiba , Tomomasa Nishikawa , Kunio Yamamoto , Shinki Ohtsu , Haruhisa Fujisawa
发明人： Yoshitaka Akiba , Tomomasa Nishikawa , Kunio Yamamoto , Shinki Ohtsu , Haruhisa Fujisawa
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。

10. 发明授权

US07467739B2 Combustion-powered, fastener-driving tool generating sparks in succession when triggered 失效
标题翻译：燃烧动力的紧固件驱动工具在触发时连续产生火花
公开(公告)号：US07467739B2
公开(公告)日：2008-12-23
申请号：US11237860
申请日：2005-09-29
申请人： Haruhisa Fujisawa , Yoshitaka Akiba , Nobuhiro Takano , Kenro Ishimaru , Tomomasa Nishikawa
发明人： Haruhisa Fujisawa , Yoshitaka Akiba , Nobuhiro Takano , Kenro Ishimaru , Tomomasa Nishikawa
IPC分类号： B25C1/08
CPC分类号： B25C1/08
摘要： A combustion-powered, fastener-driving tool includes a cylinder and a combustion chamber disposed on top of the cylinder that accommodates a gaseous mixture of existing air in the combustion chamber and fuel injected therein. A spark plug generates a spark to combust the gaseous mixture in the combustion chamber. A trigger produces the spark in the spark plug when operated. A piston is movably supported in the cylinder and driven by combustion in the combustion chamber. A driving blade is coupled to the piston for driving a fastener. A spark controller is provided for generating a plurality of sparks in succession with the spark plug.
摘要翻译：燃烧动力的紧固件驱动工具包括气缸和设置在气缸顶部的燃烧室，其容纳燃烧室中的现有空气和喷射的燃料的气体混合物。火花塞产生火花以燃烧燃烧室中的气体混合物。触发器在操作时产生火花塞中的火花。活塞可移动地支撑在气缸中并由燃烧室中的燃烧驱动。驱动叶片联接到活塞以驱动紧固件。提供火花控制器用于与火花塞相继产生多个火花。

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