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公开(公告)号:US5380692A
公开(公告)日:1995-01-10
申请号:US944106
申请日:1992-09-11
申请人: Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Fujio Suganuma , Akihiro Kitazume , Hiroshi Tsuchida , Takehiko Ito , Hideaki Hamada , Katsumi Miyamoto , Masaaki Kawatsuki , Yoshiaki Kintaichi , Motoi Sasaki , Mitsunori Tabata
发明人: Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Fujio Suganuma , Akihiro Kitazume , Hiroshi Tsuchida , Takehiko Ito , Hideaki Hamada , Katsumi Miyamoto , Masaaki Kawatsuki , Yoshiaki Kintaichi , Motoi Sasaki , Mitsunori Tabata
IPC分类号: B01D53/94 , B01J23/00 , B01J23/78 , B01J23/83 , B01J23/89 , B01J21/04 , B01J21/06 , B01J21/12 , B01J23/58 , B01J23/60 , B01J23/66 , B01J23/76 , B01J35/02
CPC分类号: B01J23/8933 , B01D53/9418 , B01J23/002 , B01J23/78 , B01J23/83 , B01D2251/208 , B01D2251/21 , B01D2255/102 , B01D2255/206 , B01D2255/207 , B01J2523/00 , Y10S502/525
摘要: A catalyst for catalytic reduction of nitrogen oxide using at least one reducing agent selected from the group consisting of a hydrocarbon and an oxygen-containing organic compound is described, which includes an oxide represented by formula (V):A.sup.5.sub.x B.sup.3.sub.3-x C.sup.4.sub.3 O.sub.7 (V)wherein A.sup.5 represents at least one element selected from the group consisting of La, Y, Ce, Pr, Nd, Sm, Eu, and Gd; B.sup.3 represents at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Pb, Zn, and Ag; C.sup.4 represents at least one element selected from the group consisting of Mn, Co, Fe, Ni, Cr, Cu, V, Mo, W, Ti, Zr, Nb, Pd, Rh, Ru, and Pt; and x is a number of from 0 to 1, supported on a solid acid carrier. Also, methods for catalytic reduction of nitrogen oxide are described including reacting nitrogen oxide with at least one reducing agent selected from the group consisting of a hydrocarbon and an oxygen-containing organic compound in the presence of oxygen and a specific catalyst.
摘要翻译: 描述了使用选自烃和含氧有机化合物的至少一种还原剂催化还原氮氧化物的催化剂,其包括由式(V)表示的氧化物:A5xB33-xC43O7(V)其中 A5表示选自La,Y,Ce,Pr,Nd,Sm,Eu和Gd中的至少一种元素; B3表示选自Ba,Sr,Ca,Mg,Pb,Zn和Ag中的至少一种元素; C4表示选自Mn,Co,Fe,Ni,Cr,Cu,V,Mo,W,Ti,Zr,Nb,Pd,Rh,Ru和Pt中的至少一种元素; x是0〜1的数,负载在固体酸性载体上。 此外,描述了氮氧化物的催化还原方法,包括在氧气和特定催化剂存在下使氮氧化物与选自烃和含氧有机化合物的至少一种还原剂反应。
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公开(公告)号:US5853679A
公开(公告)日:1998-12-29
申请号:US733697
申请日:1996-10-17
申请人: Mitsunori Tabata , Masaaki Kawatsuki , Katsumi Miyamoto , Hiroshi Tsuchida , Tomohiro Yoshinari , Kazushi Usui , Fujio Suganuma , Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Hideaki Hamada , Takehiko Ito , Yoshiaki Kintaichi , Motoi Sasaki
发明人: Mitsunori Tabata , Masaaki Kawatsuki , Katsumi Miyamoto , Hiroshi Tsuchida , Tomohiro Yoshinari , Kazushi Usui , Fujio Suganuma , Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Hideaki Hamada , Takehiko Ito , Yoshiaki Kintaichi , Motoi Sasaki
CPC分类号: B01D53/8628 , B01D53/9418 , B01J23/02 , B01J35/10 , B01D2251/208 , B01D2251/21 , B01D2255/202 , B01D2255/204 , B01D2258/012 , B01J35/1038 , B01J35/1042 , B01J35/1061 , B01J35/1085 , F02B2075/027 , F02B3/06
摘要: A process for removing nitrogen oxide from exhaust is disclosed, comprising contacting exhaust containing nitrogen oxide with an alumina catalyst which contains not more than 0.5% by weight of an alkali metal and/or an alkaline earth metal and has a total pore volume of from 0.48 to 1.2 cm.sup.3 .multidot.g.sup.-1 with 0.26 to 0.6 cm.sup.3 .multidot.g.sup.-1 of the total pore volume being formed of pores of not greater than 80 .ANG. or has a volume of pores formed of pores of not greater than 60 .ANG. of from 0.06 to 0.2 cm.sup.3 .multidot.g.sup.-l and which may have supported thereon tin in an oxidative atmosphere containing excess oxygen in the presence of a hydrocarbon or an oxygen-containing organic compound.
摘要翻译: 公开了一种从排气中除去氮氧化物的方法,包括使含氮氧化物的废气与氧化铝催化剂接触,氧化铝催化剂含有不超过0.5重量%的碱金属和/或碱土金属,总孔体积为0.48 至1.2cm 3×g -1,其总孔体积的0.26至0.6cm 3×g -1由不大于80的孔形成,或具有由不大于60的孔形成的孔的体积为0.06至0.2cm 3×g -1 并且其可以在烃或含氧有机化合物的存在下,在含有过量氧的氧化气氛中负载锡。
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公开(公告)号:US5227145A
公开(公告)日:1993-07-13
申请号:US815040
申请日:1991-12-31
申请人: Yoshiaki Kintaichi , Hideaki Hamada , Takehiko Ito , Motoi Sasaki , Fujio Suganuma , Mitsunori Tabata , Akihiro Kitazume , Kazushi Usui , Tadao Nakatsuji , Hiromitsu Shimizu
发明人: Yoshiaki Kintaichi , Hideaki Hamada , Takehiko Ito , Motoi Sasaki , Fujio Suganuma , Mitsunori Tabata , Akihiro Kitazume , Kazushi Usui , Tadao Nakatsuji , Hiromitsu Shimizu
IPC分类号: B01D53/94 , B01J27/053 , B01J27/18
CPC分类号: B01J27/18 , B01D53/9418 , B01J27/053 , B01D2251/208 , B01D2255/1023 , B01D2255/2047 , B01D2255/2063 , B01D2255/207 , B01D2258/012 , F02B2275/14
摘要: A process for removing nitrogen oxides from an exhaust gas by bringing the exhaust gas containing nitrogen oxides into contact with at least one catalyst selected from a polyvalent metal phosphate, a polyvalent metal sulfate or an aluminate of a transition metal of the 4th period of the Periodic Table in an oxidizing atmosphere containing excess oxygen and in the presence of a hydrocarbon or an oxygen containing organic compound. There is also disclosed a process for removing nitrogen oxides from an exhaust gas which comprises bringing the exhaust gas into contact with the above catalyst and then with an oxidation catalyst.
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公开(公告)号:US5474965A
公开(公告)日:1995-12-12
申请号:US165654
申请日:1993-12-13
申请人: Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Masaaki Kawatsuki , Mitsunori Tabata , Hiroshi Tsuchida , Yoshiaki Kintaichi , Motoi Sasaki
发明人: Tadao Nakatsuji , Hiromitsu Shimizu , Ritsu Yasukawa , Masaaki Kawatsuki , Mitsunori Tabata , Hiroshi Tsuchida , Yoshiaki Kintaichi , Motoi Sasaki
CPC分类号: B01J23/66 , B01D53/9418 , B01J23/52 , B01D2251/208 , B01D2255/1021 , B01D2255/1025 , B01D2255/1026 , B01D2255/1028 , B01D2255/106 , B01D2255/2063 , B01D2255/2065 , B01D2255/2068
摘要: A novel catalyst for catalytic reduction of nitrogen oxide using a hydrocarbon as a reducing agent is provided, which comprises (a) at least an element of the platinum group selected from the group consisting of platinum, iridium, rhodium and ruthenium and (b) gold, and which may further comprises (c) at least a metallic oxide selected from the group consisting of cerium oxide, lanthanum oxide, neodymium oxide, germanium oxide and gallium oxide.
摘要翻译: 提供了一种使用烃作为还原剂催化还原氮氧化物的新催化剂,其包括(a)至少一种选自铂,铱,铑和钌的铂族元素和(b)金 并且其还可以包含(c)至少一种选自氧化铈,氧化镧,氧化钕,氧化锗和氧化镓中的金属氧化物。
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公开(公告)号:US5336476A
公开(公告)日:1994-08-09
申请号:US967578
申请日:1992-10-27
申请人: Yoshiaki Kintaichi , Hideaki Hamada , Takehiko Ito , Motoi Sasaki , Mitsunori Tabata , Kazushi Usui
发明人: Yoshiaki Kintaichi , Hideaki Hamada , Takehiko Ito , Motoi Sasaki , Mitsunori Tabata , Kazushi Usui
CPC分类号: B01D53/9418 , B01D2251/208 , B01D2251/21 , B01D2255/1021 , B01D2255/1023 , B01D2255/20707 , B01D2255/20715 , B01D2255/20738 , B01D2255/2092 , B01D2255/504 , B01D2255/91 , B01D2255/9207 , B01D2258/012 , F02B3/06
摘要: A process for reducing nitrogen oxides to nitrogen from exhaust gases is disclosed, which involves bringing an exhaust gas containing nitrogen oxides into contact with at least one catalyst from proton-type zeolites, zeolites of an alkali metal exchanged form and acidic metal oxides, by reaction with a hydrocarbon or an oxygen-containing organic compound in an oxidizing atmosphere containing excess oxygen. A process which further involves bringing the exhaust gas into contact with an oxidizing catalyst subsequent to the above process.
摘要翻译: 公开了一种从废气中还原氮氧化物至氮气的方法,其中包括使含氮氧化物的废气与质子型沸石,碱金属交换形式的沸石和酸性金属氧化物的至少一种催化剂接触,通过反应 在含有过量氧的氧化气氛中使用烃或含氧有机化合物。 进一步包括在上述过程之后使废气与氧化催化剂接触的方法。
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公开(公告)号:US07705266B2
公开(公告)日:2010-04-27
申请号:US11885854
申请日:2005-10-20
申请人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
发明人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
CPC分类号: B26F3/004 , B23K26/02 , B23K26/064 , B23K26/0648 , B23K26/0665 , B23K26/1436 , B23K26/146 , B23K26/1476 , B24C1/006 , B24C1/04
摘要: A hybrid laser processing apparatus 1 includes a laser oscillator 4 which oscillates a laser beam L, a high-pressure pump 5 which supplies liquid, wherein liquid supplied from the high-pressure pump 5 is injected from an injection nozzle 13 provided at a tip of a processing head 6 and becomes a liquid column W to reach an object to be processed 2. A first inclined plane 13b which reduces the diameter toward the object to be processed 2 is formed in the injection nozzle 13, the condensing lens 12 which condenses the laser beam L is designed so that the focus of the laser beam L is positioned beyond the injection nozzle 13 and closer to the side of the object to be processed 2 and the laser beam L on the side outer than the minimum diameter part 13d is reflected on the first inclined plane 13b and thereafter guided to the liquid column W.Positional matching of the condensing lens and the injection nozzle is simple and the guided laser beam does not pop out of the liquid column. Moreover, manufacturing costs and running costs can be reduced.
摘要翻译: 混合式激光加工装置1包括振荡激光束L的激光振荡器4,提供液体的高压泵5,其中从高压泵5供应的液体从设置在高压泵5的尖端处的喷嘴13喷射 处理头6成为到达待处理物体2的液柱W.在注射喷嘴13中形成朝向被处理物体2减小直径的第一倾斜面13b,会聚透镜12 激光束L被设计成使得激光束L的焦点位于喷射喷嘴13之外并且更靠近被处理物体2的侧面,并且激光束L在比最小直径部分13d的外侧更反射 在第一倾斜平面13b上,然后被引导到液柱W.聚光透镜和注射喷嘴的位置匹配简单,并且引导的激光束不会从液柱中弹出。 此外,可以降低制造成本和运行成本。
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公开(公告)号:US20090045177A1
公开(公告)日:2009-02-19
申请号:US11988531
申请日:2006-07-11
申请人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
发明人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
IPC分类号: B23K26/06
CPC分类号: B23K26/0643 , B23K26/064 , B23K26/0665 , B23K26/08 , B23K26/146 , B23K26/38 , B23K2101/40 , B26F3/004
摘要: Laser beam L oscillated by a laser oscillator 4 is guided by an optical fiber 12 constituting laser-guiding means 7 to a processing head 6, a liquid passageway 25 to which a high-pressure liquid is supplied by a high-pressure pump 5 is formed in the processing head, and this high-pressure liquid is jetted in the form of a liquid column W from a jet hole 24 of a jet nozzle 23 provided at a lower end of the processing head 6. The optical fiber is exposed inside of the liquid passageway, and a tip of a fiber core 12a of the optical fiber projects beyond a fiber clad 12b, and is close to the vicinity of the jet hole.The laser beam irradiated from the fiber core is guided to the liquid column after it is reflected on a first inclined surface 24a formed on the jet hole, and processing on the workpiece 2 is performed.The laser beam can easily be guided to the liquid column.
摘要翻译: 由激光振荡器4振荡的激光束L由构成激光引导装置7的光纤12引导到处理头6,形成由高压泵5供给高压液体的液体通道25 在处理头中,并且该高压液体从设置在处理头6的下端处的喷嘴23的喷射孔24以液柱W的形式喷射。光纤暴露在处理头6的内部 液体通道,光纤的纤维芯12a的尖端突出超过纤维包层12b,并且靠近喷射孔附近。 从形成在射出孔上的第一倾斜面24a反射后,从纤维芯照射的激光束被引导到液柱,进行对工件2的加工。 激光束可以容易地被引导到液柱。
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公开(公告)号:US07910856B2
公开(公告)日:2011-03-22
申请号:US11988915
申请日:2006-07-11
申请人: Ryoji Koseki , Motoi Sasaki
发明人: Ryoji Koseki , Motoi Sasaki
CPC分类号: B23K26/0604 , B23K26/0665 , B23K26/0861 , B23K26/12 , B23K26/1224 , B23K26/123 , B23K26/142 , B23K26/146 , B23K26/38 , B23K26/382 , B23K26/40 , B23K2101/40 , B23K2103/16 , B23K2103/42 , B23K2103/50 , B26F3/004 , Y10T83/0591
摘要: A processing table 3 holding a workpiece 2 is accommodated in a chamber 4 with a gas-tight condition kept, and a liquid column W is jetted to an upper surface of this chamber 4, and a processing head 9 that guides laser beam L to the liquid column W is secured to the upper surface of this chamber 4. An oil-sealed rotary pump 11 and a diffusion pump 12 provided in parallel are connected to the chamber 4, and the diffusion pump 12 is actuated after the actuation of the oil-sealed rotary pump 11, bringing the inside of the chamber 4 into a vacuum state.No gas currents are generated around the liquid column W jetted from the processing head 9, making it possible to prevent turbulence of the liquid column W due to turbulence of the gas currents and enabling a liquid column having a small diameter to be jetted in a stable state.
摘要翻译: 保持工件2的处理台3被容纳在保持气密状态的室4中,液柱W被喷射到该室4的上表面,以及处理头9,其将激光束L引导到 液柱W被固定在该室4的上表面。并联设置的油封旋转泵11和扩散泵12连接到室4,并且在驱动油 - 密封的旋转泵11,使室4的内部成为真空状态。 在从处理头9喷出的液柱W周围不产生气体流动,能够防止由于气流的湍流引起的液柱W的湍流,能够将具有小直径的液柱喷出稳定 州。
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公开(公告)号:US20080169275A1
公开(公告)日:2008-07-17
申请号:US11885854
申请日:2005-10-20
申请人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
发明人: Ryoji Koseki , Motoi Sasaki , Yoshihiro Kawahara
CPC分类号: B26F3/004 , B23K26/02 , B23K26/064 , B23K26/0648 , B23K26/0665 , B23K26/1436 , B23K26/146 , B23K26/1476 , B24C1/006 , B24C1/04
摘要: A hybrid laser processing apparatus 1 includes a laser oscillator 4 which oscillates a laser beam L, a high-pressure pump 5 which supplies liquid, wherein liquid supplied from the high-pressure pump 5 is injected from an injection nozzle 13 provided at a tip of a processing head 6 and becomes a liquid column W to reach an object to be processed 2. A first inclined plane 13b which reduces the diameter toward the object to be processed 2 is formed in the injection nozzle 13, the condensing lens 12 which condenses the laser beam L is designed so that the focus of the laser beam L is positioned beyond the injection nozzle 13 and closer to the side of the object to be processed 2 and the laser beam L on the side outer than the minimum diameter part 13d is reflected on the first inclined plane 13b and thereafter guided to the liquid column W.Positional matching of the condensing lens and the injection nozzle is simple and the guided laser beam does not pop out of the liquid column. Moreover, manufacturing costs and running costs can be reduced.
摘要翻译: 混合式激光加工装置1包括振荡激光束L的激光振荡器4,提供液体的高压泵5,其中从高压泵5供应的液体从设置在高压泵5的尖端处的喷嘴13喷射 处理头6并成为到达待处理物体2的液柱W.在注射喷嘴13中形成减小直径朝向待处理物体2的直径的第一倾斜面13b,会聚透镜12 激光束L被设计成使得激光束L的焦点位于喷射喷嘴13之外并且更靠近待处理物体2的侧面,并且激光束L在比最小直径部分13d的外侧 被反射在第一倾斜平面13b上,然后被引导到液柱W.聚光透镜和注射喷嘴的位置匹配简单,并且引导的激光束不会从液柱中弹出。 此外,可以降低制造成本和运行成本。
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公开(公告)号:US20100108648A1
公开(公告)日:2010-05-06
申请号:US11988915
申请日:2006-07-11
申请人: Ryoji Koseki , Motoi Sasaki
发明人: Ryoji Koseki , Motoi Sasaki
CPC分类号: B23K26/0604 , B23K26/0665 , B23K26/0861 , B23K26/12 , B23K26/1224 , B23K26/123 , B23K26/142 , B23K26/146 , B23K26/38 , B23K26/382 , B23K26/40 , B23K2101/40 , B23K2103/16 , B23K2103/42 , B23K2103/50 , B26F3/004 , Y10T83/0591
摘要: A processing table 3 holding a workpiece 2 is accommodated in a chamber 4 with a gas-tight condition kept, and a liquid column W is jetted to an upper surface of this chamber 4, and a processing head 9 that guides laser beam L to the liquid column W is secured to the upper surface of this chamber 4. Gas exhaust means 5 in which an oil-sealed rotary pump 11 and a diffusion pump 12 are provided in parallel is connected to the chamber 4, and the diffusion pump 12 is actuated after the actuation of the oil-sealed rotary pump 11, brining the inside of the chamber 4 into a vacuum state.Bringing the inside of the chamber 4 into a vacuum state, no gas current is generated around the liquid column W jetted from the processing head 9, making it possible to prevent turbulence of the liquid column W due to turbulence of the gas current.A liquid column having a small diameter can be jetted in a stable state.
摘要翻译: 保持工件2的处理台3被容纳在保持气密状态的室4中,液柱W被喷射到该室4的上表面,以及处理头9,其将激光束L引导到 液柱W被固定在该室4的上表面上。其中油室旋转泵11和扩散泵12平行设置的排气装置5连接到室4,并且扩散泵12被致动 在油密封的旋转泵11的致动之后,将室4内部进入真空状态。 将室4的内部带入真空状态,在从处理头9喷出的液柱W的周围不会产生气体流,能够防止由于气流的紊流引起的液柱W的紊流。 可以稳定地喷射具有小直径的液柱。
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