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1. 发明授权

US10050402B2 Gas laser oscillation device and gas laser processing machine 有权
公开(公告)号：US10050402B2
公开(公告)日：2018-08-14
申请号：US13511024
申请日：2010-11-17
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu , Nobuo Shinno
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu , Nobuo Shinno
IPC分类号： B23H1/00 , H01S3/036 , F04D29/063 , F04D17/16 , F04D27/00
摘要： A gas laser oscillation device of the present invention including a blower unit having a rotating part that rotates, which includes an impeller, a rotating shaft, a motor rotor and a portion of bearings that are brought into contact with the rotating shaft, and a non-rotating part that does not rotate, which includes a motor stator, a casing and a portion of the bearings that are brought into contact with the casing. Two bearings are disposed between the rotating part and the non-rotating part. A grease supply mechanism that supplies grease to each of the two bearings is provided. A control unit drives the blower unit at a rotation rate lower than a rotation rate when a laser is output, after grease is supplied from the grease supply mechanism to the two bearings.

2. 发明申请

US20140105237A1 GAS LASER OSCILLATOR APPARATUS AND LASER GAS REPLACEMENT METHOD 有权
标题翻译：气体激光振荡器装置和激光气体替代方法
公开(公告)号：US20140105237A1
公开(公告)日：2014-04-17
申请号：US13981312
申请日：2013-01-17
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu , Takayuki Yamashita
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu , Takayuki Yamashita
IPC分类号： H01S3/036
CPC分类号： H01S3/036 , H01S3/041 , H01S3/073
摘要： The gas laser oscillator apparatus of the present invention has laser gas sealed in a vacuum chamber under a decompressed condition lower than atmospheric pressure; a discharge means for exciting the laser gas; a blower means for blowing the laser gas; a laser-gas flow passage as a circulation passage of the laser gas between the discharge means and the blower means; and a gas compression means for discharging a predetermined amount of the laser gas from the laser-gas flow passage. The gas decompression means is structured on the application of Bernoulli's principle. The gas decompression means has a sequence for decreasing the ratio of air mixed into the laser gas below a predetermined level with use of a part of pressurized gas used in a laser processing machine or the gas laser oscillator apparatus.
摘要翻译：本发明的气体激光振荡器装置在低于大气压的减压条件下将激光气体密封在真空室中; 用于激发激光气体的放电装置; 用于吹送激光气体的鼓风机装置; 作为激光气体在排出装置和送风装置之间的循环通道的激光气体流路; 以及用于从激光气体流路排出预定量的激光气体的气体压缩装置。气体减压装置是根据伯努利原则的结构而构成的。气体减压装置具有使用激光加工机或气体激光振荡器装置中使用的一部分加压气体将混入激光气体的空气比例降低到预定水平的顺序。

3. 发明授权

US06895030B1 Laser oscillating device 有权
标题翻译：激光振荡装置
公开(公告)号：US06895030B1
公开(公告)日：2005-05-17
申请号：US10048226
申请日：2000-05-30
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu
IPC分类号： H01S3/03 , H01S3/034 , H01S3/036 , H01S3/038 , H01S3/07 , H01S3/08 , H01S3/086 , H01S3/22 , H01S3/223
CPC分类号： H01S3/03 , H01S3/034 , H01S3/036 , H01S3/038 , H01S3/073 , H01S3/086
摘要： A support unit (20a) for supporting an OPM holder (15a) so as to be vertical to the laser beam axis is disposed in the lower part of the OPM holder (15a). A rotary shaft (19) is inserted into the support unit (20a) and rotary shaft support unit (20b), and the OPM holder (15a) and DT base (17) are assembled together. Thus, a rotation support unit (200) is composed. The rotation support unit has a degree of freedom in the rotating direction of arrow (202). On the other hand, in the lower part of an RM holder (15b), a support bar (21) is provided. At the DT base (17), a rotating element (22) and a rotating element support unit (23) supporting the rotating element are composed so as to support the support bar. Thus, a slider structure (220) slidable in the optical axis direction is formed. The slider structure has a degree of freedom in the direction of arrow (222).
摘要翻译：用于支撑OPM保持器（15a）以与激光束轴线垂直的支撑单元（20a）被布置在OPM保持器（15a）的下部。旋转轴（19）插入到支撑单元（20a）和旋转轴支撑单元（20b）中，并且OPM保持器（15a）和DT基座（17）组装在一起。因此，构成旋转支撑单元（200）。旋转支撑单元具有沿箭头（202）的旋转方向的自由度。另一方面，在RM保持器（15b）的下部设有支撑杆（21）。在DT基座（17）上，支撑旋转元件的旋转元件（22）和旋转元件支撑单元（23）构成为支撑支撑杆。因此，形成可沿光轴方向滑动的滑块结构（220）。滑块结构具有沿箭头（222）的方向的自由度。

4. 发明授权

US07130324B2 Axial flow type gas laser oscillator 有权
标题翻译：轴流式气体激光振荡器
公开(公告)号：US07130324B2
公开(公告)日：2006-10-31
申请号：US10500725
申请日：2003-09-11
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu
IPC分类号： H01S3/223 , H01S3/03
CPC分类号： H01S3/036 , H01S3/073
摘要： A gas laser oscillator achieving a substantial increase in laser output is provided. This gas laser oscillator includes a permeable screen plate at a position of a laser gas passage and can increase the laser output substantially by suppressing and uniformizing laser gas pulsation in a discharge tube.
摘要翻译：提供了实现激光输出实质性增加的气体激光振荡器。该气体激光振荡器包括在激光气体通路的位置处的可渗透筛板，并且可以通过抑制和均匀化放电管中的激光气体脉动来增加激光输出。

5. 发明授权

US06768761B2 Gas laser oscillator 有权
标题翻译：气体激光振荡器
公开(公告)号：US06768761B2
公开(公告)日：2004-07-27
申请号：US09795084
申请日：2001-03-01
申请人： Hitoshi Hongu , Hiroyuki Hayashikawa
发明人： Hitoshi Hongu , Hiroyuki Hayashikawa
IPC分类号： H01S3223
CPC分类号： H01S3/036
摘要： A gas laser oscillator comprising a laser gas pressure controller for controlling the pressure of laser gas in laser gas chamber to be constant, an electromagnetic valve for supplying laser gas into the laser gas chamber from a gas bottle so that the laser gas within the laser gas chamber is maintained constant, detection means for detecting that the cycle period of open/close actions of the electromagnetic valve became longer than a reference value, and an alarm display controller which issues an alarm. In a gas laser oscillator of the present invention, even such a micro vacuum leak that hardly ill-affects the laser output can be detected with ease while the gas laser oscillator is in operation. This makes it possible to apply an appropriate maintenance work beforehand on the vacuum seal. Thus, reliable gas laser oscillators can be offered in accordance with the present invention.
摘要翻译：气体激光振荡器包括用于控制激光气室中的激光气体的压力恒定的激光气体压力控制器，用于从气瓶向激光气体室供应激光气体的电磁阀，使激光气体内的激光气体检测装置，用于检测电磁阀的打开/关闭动作周期何时变得比参考值长;以及发出报警的报警显示控制器。在本发明的气体激光振荡器中，即使在气体激光振荡器工作的情况下也能够容易地检测出几乎不影响激光输出的这样的微真空泄漏。这样可以预先在真空密封上进行适当的维护工作。因此，可以根据本发明提供可靠的气体激光振荡器。

6. 发明申请

US20110290768A1 GAS LASER OSCILLATION DEVICE AND GAS LASER PROCESSING MACHINE 有权
标题翻译：气体激光振荡器和气体激光加工机
公开(公告)号：US20110290768A1
公开(公告)日：2011-12-01
申请号：US13147218
申请日：2010-02-16
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu , Nobuo Shinno
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu , Nobuo Shinno
IPC分类号： B23K26/00 , H01S3/22
CPC分类号： H01S3/036 , F04D25/0606 , F04D25/062 , F04D29/056 , F04D29/626 , H01S3/073
摘要： A gas laser oscillator includes a discharge section for exciting laser gas, a blowing section for transmitting the laser gas, and a laser gas flowing path for forming a circulation route of the laser gas between the discharge section and the blowing section. The blowing section is formed of a rotary part to be rotated by a shaft driver and a non-rotary part not to be rotated. The rotary part includes a rotary shaft to which an impeller is mounted at an end, the shaft driver for rotating the rotary shaft, an upper bearing and a lower bearing coupled to the rotary shaft. The rotary part is detachable from the non-rotary part.
摘要翻译：气体激光振荡器包括用于激发激光气体的放电部分，用于透射激光气体的吹送部分和用于形成激光气体在排出部分和吹风部分之间的循环路线的激光气体流动路径。吹风部由旋转部形成，由旋转驱动器和不旋转的非旋转部旋转。旋转部件包括旋转轴，叶轮安装在其一端，用于旋转旋转轴的轴驱动器，联接到旋转轴的上轴承和下轴承。旋转部分可从非旋转部分拆卸。

7. 发明授权

US07194015B2 Laser oscillating apparatus and laser working machine 有权
标题翻译：激光振荡器和激光加工机
公开(公告)号：US07194015B2
公开(公告)日：2007-03-20
申请号：US10542488
申请日：2004-12-08
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu
IPC分类号： H01S3/22 , H01S3/223
CPC分类号： H01S3/036
摘要： A laser oscillating apparatus includes a discharger for exciting a laser medium, a blower for blowing a laser gas and a laser gas path for connecting the discharger and the blower, and a laser oscillating apparatus characterized in that the blower includes a shaft portion provided with a blade wheel portion at a front end thereof, a driving portion for rotating the shaft portion, and a partition wall portion for separating the blade wheel portion and the driving portion, and a surface of the partition wall portion is provided with a metal layer dispersing precipitated polytetrafluoroethylene (PTFE).
摘要翻译：激光振荡装置包括用于激发激光介质的放电器，用于吹送激光气体的鼓风机和用于连接放电器和鼓风机的激光气体路径，以及激光振荡装置，其特征在于，所述鼓风机包括：轴部，其前端的叶轮部分，用于使轴部旋转的驱动部分和用于分离叶轮部分和驱动部分的分隔壁部分和分隔壁部分的表面设置有分散沉淀的金属层聚四氟乙烯（PTFE）。

8. 发明授权

US06944200B2 Laser oscillator 失效
标题翻译：激光振荡器
公开(公告)号：US06944200B2
公开(公告)日：2005-09-13
申请号：US10680243
申请日：2003-10-08
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu
IPC分类号： H01S3/03 , H01S3/034 , H01S3/036 , H01S3/038 , H01S3/07 , H01S3/08 , H01S3/086 , H01S3/22 , H01S3/223
CPC分类号： H01S3/03 , H01S3/034 , H01S3/036 , H01S3/038 , H01S3/073 , H01S3/086
摘要： A support unit for supporting an OPM holder so as to be perpendicular to a laser beam axis is disposed in the lower part of the OPM holder. A rotary shaft is inserted into the support unit and rotary shaft support unit, and the OPM holder and DT base are assembled together. Thus, a rotation support unit is composed. The rotation support unit has a degree of freedom in the rotating direction. On the other hand, in the lower part of an RM holder, a support bar is provided. At the DT base, a rotating element and a rotating element support unit supporting the rotating element are composed so as to support the support bar. Thus, a slider structure slidable in the optical axis direction is formed.
摘要翻译：用于支撑OPM夹持器以垂直于激光束轴线的支撑单元设置在OPM夹持器的下部。旋转轴插入支撑单元和旋转轴支撑单元中，并将OPM支架和DT基座组装在一起。因此，构成旋转支撑单元。旋转支撑单元具有旋转方向的自由度。另一方面，在RM支架的下部设有支撑杆。在DT基座上，支撑旋转元件的旋转元件和旋转元件支撑单元被构成为支撑支撑杆。因此，形成可在光轴方向上滑动的滑块结构。

9. 发明授权

US06580742B1 Laser oscillating apparatus 有权
标题翻译：激光振荡装置
公开(公告)号：US06580742B1
公开(公告)日：2003-06-17
申请号：US09689072
申请日：2000-10-12
申请人： Hiroyuki Hayashikawa , Tetsuji Nishimura , Hitoshi Hongu
发明人： Hiroyuki Hayashikawa , Tetsuji Nishimura , Hitoshi Hongu
IPC分类号： H01S322
CPC分类号： H01S3/036 , H01S3/073
摘要： An orifice (254) is disposed near the junction of a discharge tube (1) and a laser gas lead-in pipe (242). A laser gas relay pipe (244) is disposed so as to allow the laser gas to flow parallel in the same direction as or in the reverse direction to the flowing direction of laser gas in the discharge tube (1). The orifice (254) includes a portion for impeding flow of laser gas, and plural holes for passing laser gas, and at least one of the holes is deviated from the center. The total area of the holes summing up the area of the plural holes provided in the orifice (254) is at a rate of 0.5 to 0.8 to the sectional area of the discharge tube. The plural holes of the orifice (254) are nearly circular, and the diameter of each hole is smaller than the radius of the orifice.
摘要翻译：在排放管（1）和激光气体引入管（242）的接合处附近设置孔（254）。激光气体中继管（244）被配置成允许激光气体沿与喷射管（1）中的激光气体的流动方向相反的方向平行地流动。孔（254）包括用于阻止激光气体流动的部分，以及用于通过激光气体的多个孔，并且至少一个孔偏离中心。将设在孔口254中的多个孔的面积相加的孔的总面积相对于放电管的截面积为0.5〜0.8。孔254的多个孔几乎是圆形的，每个孔的直径小于孔的半径。

10. 发明授权

US07580439B2 Gas laser oscillator 有权
标题翻译：气体激光振荡器
公开(公告)号：US07580439B2
公开(公告)日：2009-08-25
申请号：US10576688
申请日：2005-09-20
申请人： Hiroyuki Hayashikawa , Hitoshi Hongu , Atsuki Yamamoto
发明人： Hiroyuki Hayashikawa , Hitoshi Hongu , Atsuki Yamamoto
IPC分类号： H01S3/22
CPC分类号： H01S3/036
摘要： A gas laser oscillator appropriately detecting a clogging of a laying pipe of a sub ejection apparatus is disclosed. The gas laser oscillator according to the present invention includes a laser gas flow pipe, a driving part, a divide wall, a main ejection apparatus, a sub ejection apparatus, a detect portion, and a clogged laying pipe judge part. The laser gas flow pipe constitutes a circulating route of the laser gas. The driving part drives the air blower for blowing the laser gas. The divide wall separates the air blower and the driving part. The main ejection apparatus has a valve, and ejects laser gas from the laser gas flow pipe. The sub ejection apparatus ejects laser gas from the driving part. The detector detects an amount of laser gas ejected from the main ejection apparatus and the sub ejection apparatus. The clogged laying pipe judge part judges that the laying pipe of the sub ejection apparatus is clogged when an amount of ejected laser gas measured at a time the valve of the main ejection apparatus is closed is lower than a predetermined value.
摘要翻译：公开了一种适当地检测副喷射装置的铺设管的堵塞的气体激光振荡器。根据本发明的气体激光振荡器包括激光气体流动管，驱动部分，分隔壁，主喷射装置，副喷射装置，检测部分和堵塞的放置管判断部分。激光气体流动管构成激光气体的循环路径。驱动部件驱动用于吹送激光气体的鼓风机。分隔壁将鼓风机和驱动部分分开。主喷射装置具有阀，并且从激光气体流管喷出激光气体。副喷射装置从驱动部喷射激光气体。检测器检测从主喷射装置和副喷射装置喷射的激光气体的量。当在主喷射装置的阀关闭时测量的喷射激光气体的量低于预定值时，堵塞的铺管管判断部分判断副喷射装置的放置管堵塞。

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