公开(公告)号：US20100156294A1

公开(公告)日：2010-06-24

申请号：US12634134

申请日：2009-12-09

申请人： Mitsuru IKEUCHI ,  Tomoyoshi ARIMOTO

发明人： Mitsuru IKEUCHI ,  Tomoyoshi ARIMOTO

IPC分类号： H01J61/06

CPC分类号： H01J61/0737

摘要： A discharge lamp having a cathode containing lanthanum oxide (La2O3) as an electron emission material, to provide a discharge lamp where reduction of lanthanum oxide (La2O3) is accelerated; a supply amount of lanthanum (La); and its lifespan is long has an anode (4) and a cathode (5) arranged within a discharge vessel (1) so as to face toward each other in a tube axis direction of the discharge vessel (1), and the cathode (5) is made from a material containing a metal oxide of lanthanum (La2O3) and a metal oxide of zirconium (ZrO2) in a tungsten metal (W) substrate with carbon present as a solid solution in the tungsten metal (W) substrate forming the cathode (5).

摘要翻译： 一种放电灯，其具有含有氧化镧（La 2 O 3）作为电子发射材料的阴极，以提供减少氧化镧（La 2 O 3）的放电灯; 供应量的镧（La）; 并且其使用寿命长，在放电容器（1）内设置有在放电容器（1）的管轴方向上朝向彼此的阳极（4）和阴极（5），阴极（5） ）由在金属（W）衬底中含有镧（La 2 O 3）和金属氧化物（ZrO 2）的材料的材料制成，其中碳作为固溶体存在于形成阴极的钨金属（W）衬底中 （5）。

公开(公告)号：US20120081002A1

公开(公告)日：2012-04-05

申请号：US13245028

申请日：2011-09-26

申请人： Tomoyoshi ARIMOTO ,  Mitsuru IKEUCHI ,  Akihiro SHIMIZU

发明人： Tomoyoshi ARIMOTO ,  Mitsuru IKEUCHI ,  Akihiro SHIMIZU

IPC分类号： H01J17/04

CPC分类号： H01J61/0735 ,  H01J61/0732 ,  H01J61/86

摘要： A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode consists of a main body part with tungsten as the main constituent and an emitter part comprised of thoriated tungsten, wherein an oxygen content of the main body part of said cathode is lower than that of the emitter part, and band-shaped tungsten carbide is formed at the tip end face of the emitter part of said cathode.

摘要翻译： 一种短弧型放电灯，其中阴极和阳极在发光管的内部彼此相对布置，并且所述阴极由以钨为主要成分的主体部分和由钍钨组成的发射极部分组成， 其中所述阴极的主体部分的氧含量低于发射极部分的氧含量，并且在所述阴极的发射极部分的末端面上形成带状碳化钨。

公开(公告)号：US20120001542A1

公开(公告)日：2012-01-05

申请号：US13173098

申请日：2011-06-30

申请人： Mitsuru IKEUCHI ,  Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO

发明人： Mitsuru IKEUCHI ,  Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO

IPC分类号： H01J61/04

CPC分类号： H01J61/073 ,  H01J61/86

摘要： A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode comprises a main part made from tungsten and an emitter part made from thoriated tungsten, and said emitter part having been diffusion bonded to the main part via a joint face, wherein gaps are formed locally at said joint face of said main part and the emitter part.

摘要翻译： 一种短弧型放电灯，其中阴极和阳极在发光管的内部彼此相对布置，并且所述阴极包括由钨制成的主要部分和由钍钨制成的发射极部分，并且所述发射极部分具有 通过接合面扩散粘合到主要部分，其中间隙在所述主要部分和发射体部分的所述接合面局部形成。

公开(公告)号：US20110181181A1

公开(公告)日：2011-07-28

申请号：US13015136

申请日：2011-01-27

申请人： Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO ,  Mitsuru IKEUCHI

发明人： Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO ,  Mitsuru IKEUCHI

IPC分类号： H01J61/18

CPC分类号： H01J61/0732 ,  H01J61/0735 ,  H01J61/86

摘要： A discharge lamp with excellent arc stability and excellent durability in which the use level of thoriated tungsten is restrained has an anode and a cathode in the interior of a discharge vessel, wherein said cathode is made up from a thoriated tungsten part with a tungsten filling ratio of at least 90 vol.-% and a main body part connected to said thoriated tungsten part and consisting of pure tungsten, wherein a ratio ST/S of a side surface area ST of said thoriated tungsten part and a side surface area S of said cathode is in a range of from 0.005 to 0.15, with the proviso that, in case the cathode has a length in the direction of the cathode axis which exceeds twice the maximum diameter of the cathode, a side surface area S is used for calculating the ratio ST/S which corresponds to the side surface area where the distance along the cathode axis from a tip end adjacent to the anode is twice the maximum diameter of the cathode.

摘要翻译： 具有优异的电弧稳定性和优异耐久性的放电灯，其中钍钨的使用水平被限制在放电容器的内部具有阳极和阴极，其中所述阴极由具有钨填充比的钍钨部分 至少90体积％，以及连接到所述钍钨部分并由纯钨组成的主体部分，其中所述钍钨部分的侧表面积ST和所述钍钨部分的侧表面积S的比率ST / S 阴极在0.005至0.15的范围内，条件是在阴极的长度方向上阴极轴线的长度超过阴极最大直径的两倍的情况下，侧面积S用于计算 与沿着阴极轴线距离与阳极相邻的尖端的距离为两倍于阴极最大直径的侧表面积的比率ST / S。

公开(公告)号：US20120001541A1

公开(公告)日：2012-01-05

申请号：US13173074

申请日：2011-06-30

申请人： Mitsuru IKEUCHI ,  Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO

发明人： Mitsuru IKEUCHI ,  Akihiro SHIMIZU ,  Tomoyoshi ARIMOTO

IPC分类号： H01J61/06

CPC分类号： H01J61/0732 ,  H01J61/0737 ,  H01J61/86

摘要： A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode comprises a main part made from tungsten and a tip end part made from thoriated tungsten, wherein thorium oxide particles having been peripherally coated with thorium are contained in the tip end part of said cathode.

摘要翻译： 一种短弧型放电灯，其中阴极和阳极在发光管的内部彼此相对布置，并且所述阴极包括由钨制成的主要部分和由钍钨制成的尖端部分，其中氧化钍粒子 被外周涂覆有钍的物质包含在所述阴极的末端部分中。

公开(公告)号：US20100244720A1

公开(公告)日：2010-09-30

申请号：US12750064

申请日：2010-03-30

申请人： Takuya TSUKAMOTO ,  Minoru FUKUDA ,  Tomoyoshi ARIMOTO

发明人： Takuya TSUKAMOTO ,  Minoru FUKUDA ,  Tomoyoshi ARIMOTO

IPC分类号： H05B41/36

CPC分类号： H05B41/2928 ,  H05B41/2882 ,  H05B41/3928 ,  Y02B20/202 ,  Y02B20/208

摘要： For maintaining the projections of the electrode tip ends in the ideal condition and maintaining a stable arc even if the lamp is lighted with a lamp power of at most 70% of the rated electric power, a high pressure discharge lamp light source device is provided, comprised of a high pressure discharge lamp having a discharge vessel made from quartz glass and a pair of electrodes arranged oppositely to each other with a spacing of at most 2.0 mm, each electrode having a projection formed at a tip end thereof, and mercury of at least 0.20 mg/mm3 and a halogen being enclosed in said discharge vessel; and a power supply device for supplying alternating current to said high pressure discharge lamp, wherein the power supply device is adapted to switch between a nominal electric power lighting mode and a low electric power lighting mode, said current in the low electric power lighting mode having a defined current value in the range of 40 to 70% of a nominal electric power consumption, and wherein said power supply device, in the low electric power lighting mode, is adapted to alternatingly supply to said high pressure discharge lamp a base current having a defined frequency chosen from a range between 100 Hz and 5 kHz and a boost current having a higher current value than a current value of said base current.

摘要翻译： 为了将电极末端的突起保持在理想状态并保持稳定的电弧，即使在灯功率达到额定功率的70％以上的情况下，提供高压放电灯光源装置， 包括具有由石英玻璃制成的放电容器的高压放电灯和彼此相对设置的间隔至多为2.0mm的一对电极，每个电极的顶端形成有突起， 至少0.20mg / mm 3，卤素封闭在所述放电容器中; 以及用于向所述高压放电灯提供交流电的电源装置，其中所述电源装置适于在标称电力照明模式和低电力照明模式之间切换，所述低电力照明模式中的所述电流具有 在标称电力消耗的40至70％的范围内的限定电流值，并且其中所述电源装置在低电力照明模式中适于对所述高压放电灯交替地供应具有 从100Hz和5kHz之间的范围选择的定义频率和具有比所述基极电流的当前值更高的电流值的升压电流。

公开(公告)号：US20070262729A1

公开(公告)日：2007-11-15

申请号：US11743464

申请日：2007-05-02

申请人： Katsumi SUGAYA ,  Izumi TAKAYA ,  Tomoyoshi ARIMOTO

发明人： Katsumi SUGAYA ,  Izumi TAKAYA ,  Tomoyoshi ARIMOTO

IPC分类号： H05B41/24

CPC分类号： H05B41/386 ,  Y02B20/204

摘要： To shorten the luminous flux rise time and prevent melting/deformation of the projections in the initial ignition period of high pressure discharge lamps that have a sealed mercury volume of no less than 0.20 mg/mm3, a power supply device feeds a current that exceeds the maximum current value of the constant power control period to the high pressure discharge lamp during a first control period from the initial discharge until the lamp voltage reaches a specified lamp voltage and causes a switch to constant power control, and then, during the following period until a change to steady power control, the power supply device feeds it a current that is less than the maximum current during regular operation.

摘要翻译： 为了缩短光通量上升时间并防止在密封汞容积不小于0.20mg / mm 3的高压放电灯的初始点火期间的突起熔化/变形，功率 供给装置在从初始放电到灯电压达到规定的灯电压的第一控制期间内将超过恒定功率控制期间的最大电流值的电流馈送到高压放电灯，并使开关恒定功率控制， 然后，在随后的一段时间内，直到稳定的功率控制发生变化，供电装置在正常运行期间向其馈送小于最大电流的电流。