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    • 11. 发明授权
    • Laser resonator
    • 激光谐振器
    • US5608754A
    • 1997-03-04
    • US539689
    • 1995-10-05
    • Takafumi MurakamiYasuyuki MoritaNorio Karube
    • Takafumi MurakamiYasuyuki MoritaNorio Karube
    • H01S3/08H01S3/034H01S3/07H01S3/081H01S3/03
    • H01S3/0346H01S3/076
    • A laser resonator allows internal optical mirrors to be cleaned easily and minimizes any contamination of the internal optical mirrors. The laser resonator has normally closed cleaning windows disposed immediately in front of output, rear, and folding mirrors for inserting a cleaning instrument therethrough for cleaning these mirrors. A gas inlet discharge tube holder has a discharge tube coupling which interconnects the spaces in parallel discharge tubes for transmitting a laser beam therethrough. The gas inlet discharge tube holder also has a gas flow bypass for bypassing a laser gas that circulates through the discharge tubes. The internal optical mirrors can be cleaned easily with a cleaning instrument inserted through the cleaning windows. As the internal optical mirrors do not need to be removed for cleaning, they and an external optical system are not required to be readjusted for alignment of their optical axes. Any contamination of the internal optical mirrors is minimized because no laser gas flow is caused in the discharge tube coupling.
    • 激光谐振器可以容易地清洁内部光学镜,​​并最大限度地减少内部光学镜的污染。 激光谐振器具有通常关闭的清洁窗口,其立即设置在输出,后部和折叠反射镜的前面,用于插入清洁器械用于清洁这些反射镜。 气体入口放电管保持器具有放电管联接器,其将平行放电管中的空间互连,用于透射激光束。 气体入口放电管保持器还具有用于绕过通过放电管循环的激光气体的气流旁路。 内部光学镜可以通过清洁窗口插入的清洁仪器轻松清洁。 由于内部光学镜不需要去除以进行清洁,因此不需要重新调整外部光学系统以对准其光轴。 内部光学镜的任何污染都被最小化,因为在放电管耦合中没有引起激光气流。
    • 12. 发明授权
    • Turbo blower for lasers
    • 激光鼓风机
    • US5461636A
    • 1995-10-24
    • US366696
    • 1994-12-30
    • Norio KarubeYasuyuki MoritaKenji NakaharaKenji Mitsui
    • Norio KarubeYasuyuki MoritaKenji NakaharaKenji Mitsui
    • F04D29/06F04D29/58H01S3/036H01S3/22
    • F04D29/063F04D29/582H01S3/036
    • There is provided a turbo blower for lasers which is capable of effectively cooling a shaft and bearings thereof. Oil held in a shaft support member is drawn up via an oil inlet port by a centrifugal force generated by rotation of the shaft, and passes through a cooling oil passage extending through the shaft to be discharged from an oil outlet port provided below an upper one of rolling bearings as the bearings. The oil discharged from the outlet port returns via an oil return passage to an oil sump. While passing through the oil return passage, the oil is cooled by a coolant circulating through an coolant passage. Further, part of the oil discharged from the oil outlet port is supplied to the upper one of the bearings for lubrication. On the other hand, part of the oil held within the shaft support member is drawn up along a tapered portion of an oil suction head by the centrifugal force generated by rotation of the oil suction head for lubrication of a corresponding one of the rolling bearings. A large amount of oil flowing through the cooling oil passage can deprive the shaft and the rotor of heat, thereby effectively cooling the bearings as well.
    • 提供了一种用于激光器的涡轮鼓风机,其能够有效地冷却轴及其轴承。 保持在轴支撑构件中的油通过由油的旋转产生的离心力通过进油口被抽出,并且通过延伸穿过该轴的冷却油通道,从设置在上方的下方的出油口排出 的滚动轴承作为轴承。 从出口排出的油通过回油通道返回到油底壳。 当通过回油通道时,油被通过冷却剂通道循环的冷却剂冷却。 此外,从出油口排出的部分油被供给至上部轴承用于润滑。 另一方面,保持在轴支撑构件内的部分油通过由吸油头旋转而产生的离心力沿着吸油头的锥形部分被拉出,用于润滑相应的一个滚动轴承。 流过冷却油通道的大量油可能导致轴和转子发热,从而有效地冷却轴承。
    • 14. 发明授权
    • Valve mechanism having variable valve timing
    • 具有可变气门正时的阀机构
    • US4580533A
    • 1986-04-08
    • US592423
    • 1984-03-22
    • Hiroyuki OdaShunji MasudaYasuyuki Morita
    • Hiroyuki OdaShunji MasudaYasuyuki Morita
    • F01L1/34F01L1/26F01L1/344F01L13/00
    • F01L1/344
    • A valve mechanism for an internal combustion engine has a valve and a cam on a camshaft for operating the valve. A swingable member is provided for swinging movement about the camshaft and has a tappet receiving hole. A tappet slidably received in the hole is driven by the cam and in turn drives the valve. The valve timing can be changed by swingably moving the swingable member. A control device is provided for holding the swingable member at a position wherein the direction of movement of the tappet is aligned with the direction of movement of the valve under a heavy load, high speed engine operation and moving the swingable member to another position wherein the direction of movement of the tappet is inclined with respect to the direction of movement of the valve under a light load, low speed operation to change the valve timing.
    • 用于内燃机的阀机构具有用于操作阀的凸轮轴上的阀和凸轮。 摆动构件设置成围绕凸轮轴摆动并具有挺杆接收孔。 可滑动地容纳在孔中的挺杆由凸轮驱动,并且驱动阀。 可以通过可摆动地摆动摆动构件来改变气门正时。 提供了一种控制装置,用于将可摆动构件保持在一个位置,其中挺杆的运动方向与重负荷,高速发动机操作下的阀的运动方向对准,并且将可摆动构件移动到另一位置, 挺杆的运动方向在轻负载下相对于阀的运动方向倾斜,低速运转以改变气门正时。
    • 15. 发明授权
    • Coaxial-type carbon dioxide gas laser oscillator
    • 同轴型二氧化碳气体激光振荡器
    • US4470144A
    • 1984-09-04
    • US379505
    • 1982-05-18
    • Reiji SanoYasuyuki MoritaYoshikazu KawauchiMinoru KimuraHidemi Takahashi
    • Reiji SanoYasuyuki MoritaYoshikazu KawauchiMinoru KimuraHidemi Takahashi
    • H01S3/036H01S3/038H01S3/07H01S3/223H01S3/03
    • H01S3/036H01S3/038H01S3/073
    • A coaxial-type carbon dioxide gas laser includes an oscillator comprising a gas inlet for introducing gas into a discharge tube through a gas supply chamber having a hollow cylindrical body which serves to disturb the gas flow and orientate the gas toward the discharge tube via a space defined between the discharge tube and the hollow cylindrical body. The gas which has been subjected to an electrical discharge is drawn out of the discharge tube through a chamber and a gas outlet connected therewith. A pair of anode and cathode electrodes are disposed adjacent to the ends of the discharge tube. One of the electrodes is mounted on the gas supply chamber and is annular in shape. The gas supply chamber and the hollow cylindrical body jointly define a gap for passage therethrough of the gas fed from the gas inlet toward the discharge tube via the space. The space is large in cross section than the gap. The discharge tube has an inside cross-sectional area smaller than an outside cross-sectional area and larger than the cross-sectional area of the gap.
    • 同轴型二氧化碳气体激光器包括:振荡器,其包括气体入口,用于通过具有中空圆柱体的气体供给室将气体引入放电管,该气体供给室用于干扰气体流动,并且经由空间朝向放电管定向气体 限定在放电管和中空圆柱体之间。 经过放电的气体经由与其连接的室和气体出口从排出管中抽出。 一对阳极和阴极电极邻近放电管的端部设置。 其中一个电极安装在气体供应室上,呈环形。 气体供给室和中空圆筒体共同地限定用于从气体入口经由空间向排出管供给的气体通过的间隙。 空间横截面比间隙大。 放电管的内部横截面积小于外部横截面积,大于间隙的横截面积。
    • 20. 发明授权
    • Laser beam machine
    • 激光束机
    • US5343013A
    • 1994-08-30
    • US860520
    • 1992-06-18
    • Norio KarubeYasuyuki Morita
    • Norio KarubeYasuyuki Morita
    • B23K26/06B23K26/08H01S3/11B23K26/00
    • B23K26/0604B23K26/06B23K26/0626B23K26/0643B23K26/0665
    • A laser beam machine for carrying out a machining operation by converging a laser beam emitted from a laser resonator and irradiating the converged laser beam onto a workpiece. A beam interceptor (21) is arranged across a light path extending from a total reflection mirror (2) of the laser resonator (1) to a surface of the workpiece (5) and has a small inertia, and the position thereof is controlled at a high speed to permit the passage of the laser beam and to intercept the laser beam. The beam interceptor (21) is controlled in such a manner that the laser beam is allowed to pass during a full-scale discharge and is intercepted during a seed discharge. Accordingly, even if a seed discharge exists while a high-reflectivity material, for example, is machined, a laser oscillation of a composite resonator including the workpiece (5) can be reliably prevented.
    • PCT No.PCT / JP91 / 01495 Sec。 371日期:1992年6月18日 102(e)日期1992年6月18日PCT 1991年10月31日PCT PCT。 出版物WO92 / 08570 日期:1992年5月29日。一种激光束机,用于通过会聚从激光谐振器发射的激光束并将会聚的激光束照射到工件上进行加工操作。 光束拦截器(21)跨越从激光谐振器(1)的全反射镜(2)延伸到工件(5)的表面的光路,并且具有小的惯性,并且其位置被控制在 高速以允许激光束通过并拦截激光束。 光束拦截器(21)的控制方式是允许激光束在满刻度放电期间通过,并且在种子放电期间被截取。 因此,即使在例如加工高反射率材料的同时存在种子放电,也可以可靠地防止包括工件(5)的复合谐振器的激光振荡。