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1. 发明申请

US20110243177A1 GAS LASER DEVICE 审中-公开
标题翻译：气体激光器件
公开(公告)号：US20110243177A1
公开(公告)日：2011-10-06
申请号：US13038568
申请日：2011-03-02
申请人： Akihiko Nishio , Takafumi MURAKAMI
发明人： Akihiko Nishio , Takafumi MURAKAMI
IPC分类号： H01S3/22
CPC分类号： H01S3/036 , H01S3/09702 , H01S3/104
摘要： A gas laser device including a blower circulating a laser gas along a gas passage; a pressure detection section detecting a gas pressure of the laser gas in the gas passage; a gas supply and exhaust section supplying the laser gas to the gas passage and exhausting the laser gas from the gas passage; an instruction section instructing a temporary stop of a laser oscillation by a laser oscillator; and a control section controlling the blower and the gas supply and exhaust section in response to an instruction from the instruction section. The control section, before the instruction section instructs the temporary stop, controls the blower to rotate at a predetermined rotation number and controls the gas supply and exhaust section so that the gas pressure detected by the pressure detection section is a first target gas pressure and, once the instruction section instructs the temporary stop, controls the blower so as to reduce the rotation number of the blower or stop the rotation of the blower and controls the gas supply and exhaust section so that the gas pressure detected by the pressure detection section is a second target gas pressure corresponding to the first target gas pressure during the rotation of the blower.
摘要翻译：一种气体激光装置，包括沿气体通道循环激光气体的鼓风机; 检测气体通路中的激光气体的气体压力的压力检测部; 气体供给和排气部分，将激光气体供应到气体通道并从气体通道排出激光气体; 指示激光振荡器暂时停止激光振荡的指令部; 以及控制部分，其响应于来自指令部分的指令来控制鼓风机和供气和排气部分。所述控制部在所述指示部指示所述暂时停止之前，控制所述鼓风机以规定的转数旋转，并控制所述气体供给排出部，使得由所述压力检测部检测出的气体压力为第一目标气体压力，一旦指令部指示临时停止，则控制鼓风机以减小鼓风机的转数或停止鼓风机的旋转，并控制气体供应和排出部分，使得由压力检测部分检测的气体压力为在鼓风机旋转期间对应于第一目标气体压力的第二目标气体压力。

2. 发明申请

US20080025352A1 LASER APPARATUS HAVING ABILITY TO AUTOMATICALLY CORRECT LASER BEAM POWER 审中-公开
标题翻译：具有自动校正激光束功率的激光装置
公开(公告)号：US20080025352A1
公开(公告)日：2008-01-31
申请号：US11780813
申请日：2007-07-20
申请人： Akira EGAWA , Takafumi MURAKAMI , Akihiko NISHIO
发明人： Akira EGAWA , Takafumi MURAKAMI , Akihiko NISHIO
IPC分类号： H01S3/13
CPC分类号： H01S3/102 , B23K26/0626 , B23K26/705 , H01S3/10069 , H01S3/131
摘要： A laser apparatus including a laser oscillating section, electric power source, a laser-power measuring section and a power-source controlling section. The power-source controlling section includes a power-supply instructing section instructing the power source to perform an electric-power supplying operation for the laser oscillating section in response to a laser-oscillation command value; and a function calculating section determining, based on different laser-oscillation command values given to the power-supply instructing section and different laser-power measured values obtained by the laser-power measuring section, a function approximatively representing a correlation of the laser-power measured values relative to the laser-oscillation command values. The power-supply instructing section executes, after the function is determined, a correcting process for a laser-oscillation command value based on the function, and instructs the electric power source to perform the electric-power supplying operation in response to the corrected laser-oscillation command value.
摘要翻译：一种激光装置，包括激光振荡部，电源，激光功率测量部和电源控制部。电源控制部包括电源指示部，其指示电源响应于激光振荡指令值对激光振荡部进行电力供给动作; 以及功能计算部，其基于给予所述电源指示部的不同的激光振荡指令值和由所述激光功率测量部获得的不同的激光功率测量值，确定近似表示所述激光功率的相关性的函数相对于激光振荡指令值的测量值。电源指示部根据该功能，执行功能确定后的激光振荡指令值的校正处理，并且指示电源响应于校正后的激光振荡指令值进行电力供给动作，振荡指令值。

3. 发明申请

US20070030875A1 LASER PROCESSING DEVICE 审中-公开
标题翻译：激光加工设备
公开(公告)号：US20070030875A1
公开(公告)日：2007-02-08
申请号：US11459257
申请日：2006-07-21
申请人： Tetsuhisa TAKAZANE , Takafumi MURAKAMI , Michinori MAEDA , Ryoma OKAZAKI , Akira EGAWA
发明人： Tetsuhisa TAKAZANE , Takafumi MURAKAMI , Michinori MAEDA , Ryoma OKAZAKI , Akira EGAWA
IPC分类号： H01S3/22
CPC分类号： B23K26/032 , B23K26/064 , B23K26/0648 , B23K26/0665 , B23K26/1224 , B23K26/123 , B23K26/125 , B23K26/21 , H01S3/036 , H01S3/104
摘要： A laser processing device (100) includes a laser oscillator (2), a laser machine (11) and a control means (1) for controlling the laser oscillator and the laser machine. The control means includes a storage means (50) for storing the processing program (60) for the work to be processed. The storage means has stored therein a required laser gas pressure value (72) for the laser oscillator in the laser processing operation, which value is determined in accordance with the processing specifics the work (20). The control means includes a laser gas pressure command transmission means (52) for transmitting a laser gas pressure command based on the required laser gas pressure value to the laser oscillator. This further improves the processing performance of the laser processing apparatus. Further, the control means may include a required laser gas pressure value adjusting means (55) for adjusting the required laser gas pressure value.
摘要翻译：激光加工装置（100）包括激光振荡器（2），激光机（11）和用于控制激光振荡器和激光机的控制装置（1）。控制装置包括用于存储用于待处理工件的处理程序（60）的存储装置（50）。存储装置在激光加工操作中存储激光振荡器所需的激光气体压力值（72），该值根据工件（20）的处理确定。控制装置包括用于将激光气体压力指令基于所需激光气体压力值传送到激光振荡器的激光气体压力指令传输装置（52）。这进一步提高了激光加工装置的加工性能。此外，控制装置可以包括用于调节所需激光气体压力值的所需激光气体压力值调节装置（55）。

4. 发明授权

US08317943B2 Ball for constant velocity joint and method for producing the same 有权
标题翻译：球等速万向节及其制造方法
公开(公告)号：US08317943B2
公开(公告)日：2012-11-27
申请号：US12996665
申请日：2009-05-22
申请人： Takafumi Murakami , Naoto Shibata , Shunta Osako
发明人： Takafumi Murakami , Naoto Shibata , Shunta Osako
IPC分类号： C22C38/36 , C21D9/36
CPC分类号： F16D3/224 , C21D1/25 , C21D6/002 , C21D7/06 , C21D9/36 , C21D2211/001 , C21D2211/008 , F16D2250/00 , F16D2300/10 , Y10T29/479
摘要： Disclosed is a ball for a constant velocity joint, and a method for producing the same. The ball for a constant velocity joint is produced via a quenching step for heating a spherical body consisting of a material corresponding to a high carbon chromium bearing steel regulated by Japanese Industrial Standards (JIS) to 840-900° C. and then cooling the spherical body under such a condition as 10-25 vol. % of austenite remains up to a first part where the depth from the surface is 0.1 mm, a step for tempering the spherical body at 150° C. or more, and a step for shot peening the spherical body and imparting a compression residual stress of −1000 MPa or more to a region reaching second part where the depth from the surface is 0.2 mm.
摘要翻译：公开了一种等速万向节球的球及其制造方法。用于加热由对应于日本工业标准（JIS）规定为高达840-900℃的高碳铬轴承钢的材料组成的球体的骤冷步骤制造等速万向节球，然后冷却球形身体在10-25 vol。奥氏体的百分比保持到表面深度为0.1mm的第一部分，在150℃以上回火球状体的步骤，以及对球体进行喷丸硬化和赋予压缩残余应力的步骤 -1000MPa以上到达表面深度为0.2mm的第二部分的区域。

5. 发明授权

US08135051B2 Gas laser oscillator 有权
标题翻译：气体激光振荡器
公开(公告)号：US08135051B2
公开(公告)日：2012-03-13
申请号：US12502390
申请日：2009-07-14
申请人： Takanori Sato , Takafumi Murakami , Yuji Nishikawa
发明人： Takanori Sato , Takafumi Murakami , Yuji Nishikawa
IPC分类号： H01S3/03
CPC分类号： H01S3/03 , H01S3/036 , H01S3/041 , H01S3/076
摘要： A gas laser oscillator includes a plurality of discharge tube arrays, each discharge tube array including a plurality of electrical discharge tubes, a support mechanism supporting the plurality of discharge tube arrays, and an optical part optically connecting the plurality of discharge tube arrays. The support mechanism includes a discharge tube linking holder and an elastic member. The elastic member joins the discharge tube linking holder to a first support rod arranged at an upper side as seen in a direction of gravity.
摘要翻译：气体激光振荡器包括多个放电管阵列，每个放电管阵列包括多个放电管，支撑多个放电管阵列的支撑机构和光学连接多个放电管阵列的光学部件。支撑机构包括放电管连接保持器和弹性构件。弹性构件将放电管连接保持器连接到在重力方向观察时设置在上侧的第一支撑杆。

6. 发明授权

US07664155B2 Gas laser oscillating unit 有权
标题翻译：气体激光振荡单元
公开(公告)号：US07664155B2
公开(公告)日：2010-02-16
申请号：US11771725
申请日：2007-06-29
申请人： Akira Egawa , Takafumi Murakami , Akihiko Nishio
发明人： Akira Egawa , Takafumi Murakami , Akihiko Nishio
IPC分类号： H01S3/03 , H01S3/223
CPC分类号： H01S3/036 , H01S3/073 , H01S3/2232 , H01S3/2237
摘要： A gas laser oscillating unit having a gas junction part where gas flow may be stable, whereby a stable laser beam output and/or a laser beam that does not fluctuate very much may be achieved. The laser gas, flowing through first and second excitation parts, is introduced into the first and second tapered gas flow passages. After that, the two gas flows are mixed at or near the center point of a gas junction part and the mixed gas flows in a next flow passage. Then, one of the gas flows from the first excitation part is biased toward the −X direction by a first biasing member arranged in the first gas flow passage, and the other gas flow from the second excitation part is biased toward the +X direction by a second biasing member arranged in the second gas flow passage.
摘要翻译：一种具有气体接合部分的气体激光振荡单元，其中气体流动可以是稳定的，由此可以实现不太大波动的稳定的激光束输出和/或激光束。流过第一和第二激励部分的激光气体被引入到第一和第二锥形气体流动通道中。之后，两个气流在气体接合部的中心点处或其附近混合，混合气体在下一个流路中流动。然后，通过设置在第一气体流路中的第一偏置构件将来自第一激励部的气体中的一个流向-X方向偏置，另外从第二激励部流出的气体向+ X方向偏移布置在第二气体流动通道中的第二偏压构件。

7. 发明授权

US07720118B2 Laser unit having preparatory function for activating the unit and activation method for the unit 有权
标题翻译：具有激活单元的准备功能的激光单元和该单元的激活方法
公开(公告)号：US07720118B2
公开(公告)日：2010-05-18
申请号：US12078396
申请日：2008-03-31
申请人： Yuji Nishikawa , Takafumi Murakami , Akihiko Nishio
发明人： Yuji Nishikawa , Takafumi Murakami , Akihiko Nishio
IPC分类号： H01S3/00
CPC分类号： H01S3/134 , H01S3/0014 , H01S3/005 , H01S3/10069 , H01S3/1028 , H01S3/104 , H01S3/1305 , H01S3/1317
摘要： A laser unit having a preparatory function for activating the unit and an activation method for the unit, capable of stabilizing the temperature of each component of the laser unit in the preparation stage when the laser unit is activated in a low-temperature or high-temperature environment, and then effectively judging completion of the preparation. During a period of time Ta from T1 to T2, a first trial of laser oscillation is performed. After a period of time Tb in which the laser is not oscillated, a second trial of laser oscillation from T3 to T4. Such an operation is repeated until a predetermined criterion is satisfied. Laser output values P2, P4, P6, . . . , at the last moment in each trial of laser oscillation are recorded. Then, each difference between the laser outputs at the last moments of two neighboring or continuous trials, is calculated. When the difference is lower than a predetermined criterion value, the preparation of the laser unit is judged to be completed.
摘要翻译：具有用于激活该单元的准备功能的激光单元和该单元的激活方法，其能够在激光单元在低温或高温下被激活时在制备阶段稳定激光单元的每个部件的温度环境，然后有效判断准备工作的完成情况。在从T1到T2的时间段Ta期间，进行激光振荡的第一次试验。在激光器不振荡的一段时间Tb之后，从T3到T4的激光振荡的第二次试验。重复这样的操作，直到满足预定标准。激光输出值P2，P4，P6，。。。在每次激光振荡试验的最后一刻都记录下来。然后，计算在两个相邻或连续试验的最后时刻的激光输出之间的每个差异。当差值低于预定标准值时，判定激光单元的准备完成。

8. 发明申请

US20080253416A1 Laser unit having preparatory function for activating the unit and activation method for the unit 有权
标题翻译：具有激活单元的准备功能的激光单元和该单元的激活方法
公开(公告)号：US20080253416A1
公开(公告)日：2008-10-16
申请号：US12078396
申请日：2008-03-31
申请人： Yuji Nishikawa , Takafumi Murakami , Akihiko Nishio
发明人： Yuji Nishikawa , Takafumi Murakami , Akihiko Nishio
IPC分类号： H01S3/10
CPC分类号： H01S3/134 , H01S3/0014 , H01S3/005 , H01S3/10069 , H01S3/1028 , H01S3/104 , H01S3/1305 , H01S3/1317
摘要： A laser unit having a preparatory function for activating the unit and an activation method for the unit, capable of stabilizing the temperature of each component of the laser unit in the preparation stage when the laser unit is activated in a low-temperature or high-temperature environment, and then effectively judging completion of the preparation. During a period of time Ta from T1 to T2, a first trial of laser oscillation is performed. After a period of time Tb in which the laser is not oscillated, a second trial of laser oscillation from T3 to T4. Such an operation is repeated until a predetermined criterion is satisfied. Laser output values P2, P4, P6, . . . , at the last moment in each trial of laser oscillation are recorded. Then, each difference between the laser outputs at the last moments of two neighboring or continuous trials, is calculated. When the difference is lower than a predetermined criterion value, the preparation of the laser unit is judged to be completed.
摘要翻译：具有用于激活该单元的准备功能的激光单元和该单元的激活方法，其能够在激光单元在低温或高温下被激活时在制备阶段稳定激光单元的每个部件的温度环境，然后有效判断准备工作的完成情况。在从T 1到T 2的时间段Ta期间，执行激光振荡的第一次试验。在激光器不振荡的一段时间Tb之后，从T 3到T 4的激光振荡的第二次试验。重复这样的操作，直到满足预定标准。激光输出值P 2，P 4，P 6，。。。在每次激光振荡试验的最后一刻都记录下来。然后，计算在两个相邻或连续试验的最后时刻的激光输出之间的每个差异。当差值低于预定标准值时，判定激光单元的准备完成。

9. 发明申请

US20080013585A1 GAS LASER OSCILLATING UNIT 有权
标题翻译：气体激光振荡器
公开(公告)号：US20080013585A1
公开(公告)日：2008-01-17
申请号：US11771725
申请日：2007-06-29
申请人： Akira EGAWA , Takafumi MURAKAMI , Akihiko NISHIO
发明人： Akira EGAWA , Takafumi MURAKAMI , Akihiko NISHIO
IPC分类号： H01S3/03
CPC分类号： H01S3/036 , H01S3/073 , H01S3/2232 , H01S3/2237
摘要： A gas laser oscillating unit having a gas junction part where gas flow may be stable, whereby a stable laser beam output and/or a laser beam that does not fluctuate very much may be achieved. The laser gas, flowing through first and second excitation parts, is introduced into the first and second tapered gas flow passages. After that, the two gas flows are mixed at or near the center point of a gas junction part and the mixed gas flows in a next flow passage. Then, one of the gas flows from the first excitation part is biased toward the −X direction by a first biasing member arranged in the first gas flow passage, and the other gas flow from the second excitation part is biased toward the +X direction by a second biasing member arranged in the second gas flow passage.
摘要翻译：一种具有气体接合部分的气体激光振荡单元，其中气体流动可以是稳定的，由此可以实现不太大波动的稳定的激光束输出和/或激光束。流过第一和第二激励部分的激光气体被引入到第一和第二锥形气体流动通道中。之后，两个气流在气体接合部的中心点处或其附近混合，混合气体在下一个流路中流动。然后，通过设置在第一气体流路中的第一偏置构件将来自第一激励部的气体中的一个流向-X方向偏置，另外从第二激励部流出的气体向+ X方向偏移布置在第二气体流动通道中的第二偏压构件。

10. 发明申请

US20060283678A1 Dynamic damper 审中-公开
标题翻译：动态阻尼器
公开(公告)号：US20060283678A1
公开(公告)日：2006-12-21
申请号：US11452283
申请日：2006-06-14
申请人： Takafumi Murakami
发明人： Takafumi Murakami
IPC分类号： F16C3/00
CPC分类号： F16F15/1435 , Y10T464/50
摘要： A dynamic damper has a main body, two mass portions projecting from the main body in diametrical directions of a drive shaft, and two connecting portions connecting the main body and the respective mass portions to each other. The connecting portions are narrower than the mass portions. The mass portions accommodate mass members therein, respectively. Each of the mass members comprises a sintered body produced by sintering a powder of a tungsten alloy or tungsten mixed with a metal binder. The tungsten alloy may be W-1.8Ni-1.2Cu, W-3.0Ni-2.0Cu, W-5.0Ni-2.0Fe, or W-3.5Ni-1.5Fe.
摘要翻译：动力阻尼器具有主体，沿驱动轴的径向从主体突出的两个质量部分和将主体和各个质量部分彼此连接的两个连接部。连接部分比质量部分窄。质量部分分别容纳其中的质量部件。每个质量构件包括通过烧结与金属粘合剂混合的钨合金或钨的粉末而制造的烧结体。钨合金可以是W-1.8Ni-1.2Cu，W-3.0Ni-2.0Cu，W-5.0Ni-2.0Fe或W-3.5Ni-1.5Fe。

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