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1. 发明专利

JPH0947665A ELECTRIC HEATING TYPE METALLIC CATALYTIC CARRIER WITH EXCELLENT STRUCTURAL DURABILITY 失效
公开(公告)号：JPH0947665A
公开(公告)日：1997-02-18
申请号：JP20233995
申请日：1995-08-08
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： KONYA SHOGO , KAKO TAKUZO , NAKAJIMA IKUJI
IPC分类号： B01D53/86 , B01D53/94 , B01J35/02 , B01J35/04
摘要： PROBLEM TO BE SOLVED: To reduce thermal stress caused by temperature gradient which generates in the early period of exhaust gas inflow in the radial direction of a honeycomb body in particular and to prevent breakage of a reinforcement joining part by brazing a metallic flat foil and a corrugated foil in the several layers of the outer periphery of the honeycomb body to form reinforcement parts, reinforcing and joining the remainder. SOLUTION: In the outer peripheral face of a honeycomb body 7 and the internal circumferential face side of a metallic outer cylinder 8, the joining part 13 of a metallic corrugated foil 4 and a metallic flat foil 5 is brazed by joining material 11 to form a current path 12. A reinforcement joining part 14 is joined while keeping insulation. Further, in the outer peripheral part of the honeycomb body 7, the interval between the metallic corrugated foil 4 and the metallic flat foil 5 is extensively joined by brazing material 17 in the several layers to form a reinforcement part 16. Therefore, strength larger than thermal stress caused in the outer peripheral part of the honeycomb body 7 is secured in the reinforcement part 16. Breakdown of the reinforcement joining part 14 in the current path region is prevented and the structural durability of an electric heating type metallic catalytic carrier is increased.

2. 发明专利

JPH08326526A ELECTRICALLY HEATED METALLIC CATALYST CARRIER 失效
公开(公告)号：JPH08326526A
公开(公告)日：1996-12-10
申请号：JP13159795
申请日：1995-05-30
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： KAKO TAKUZO , YOTSUYA KOKI , NAKAJIMA IKUJI , YOSHIDA KAZUO , KOKAYU MASAHIKO , SAKURAI KAZUHIRO , SHIMOJI KOJI
IPC分类号： F01N3/20 , B01D53/86 , B01J35/02 , B01J35/04 , F01N3/28
摘要： PURPOSE: To improve the durability of an electrically heated metallic catalyst carrier by forming thermal expansion absorbing structure between a center electrode and a honeycomb body and between electrode lead-out material and a metallic outer cylinder. CONSTITUTION: An electrically heated metallic catalyst carrier 2 is formed of a cylindrical metallic foil laminated body (honeycomb body) obtained by superposing corrugated foil on metallic flat foil and winding them around a center electrode 6, a metallic outer cylinder (casing) with the honeycomb body mounted therein, and the like. Cushioning material 17 for relaxing the radial thermal stress of electrode lead-out material 12o is interposed between electrical insulating material holding the electrode lead-out material 12o, and a locking body 16. A reinforcing joint part 7a with a non-joint part 7o is formed at least at the exhaust gas inflow side end part of the inner peripheral part of the honeycomb body jointed to the center electrode 6 so as to relax the radial thermal stress caused by the thermal expansion difference between the center electrode 6 and the honeycomb body. The durability of the electrically heated metallic catalyst carrier can thereby be improved.

3. 发明专利

JPH08281122A CATALYST APPARATUS TO BE HEATED ELECTRICALLY 失效
公开(公告)号：JPH08281122A
公开(公告)日：1996-10-29
申请号：JP13208895
申请日：1995-05-30
申请人： TOYOTA MOTOR CORP , NIPPON STEEL CORP , NIPPON SOKEN
发明人： YOSHIZAKI KOJI , KOKAYU MASAHIKO , KAKO TAKUZO , NAKAJIMA IKUJI , FUJINO KENJI , ITO KAZUNORI , KONYA SHOGO , SATO KEIJI
IPC分类号： F01N3/20 , B01D53/86 , B01D53/94 , B01J23/40 , B01J35/02 , B01J35/04
摘要： PURPOSE: To quickly raise the temperature of a catalyst within a short time without applying large current by forming an insulating layer from a first metal oxide and using a solder material foil containing a second metal having higher reductive function than the first metal in a catalyst apparatus which is an electrically heated type and has a layer structure of foils having the insulating layer between the foils. CONSTITUTION: A metal foil layered body 2 to compose a catalyst carrier is produced by layering a flat foil 10 and a corrugated foil 20, joining each edge part to a center electrode 3, and then coiling these foils on the center electrode 3. At this time, a solder material foil 41 containing a metal having higher reductive function than a metal oxide to compose an insulating layer of the corrugated foil 20 is set in a part to compose an electrically conductive joining part between the flat foil 10 and the corrugated foil 20 in the way only parts of the solder material foil in neighboring layers are overlapped in the metal foils-layered direction and then the flat foil 10 and the corrugated foil 20 are coiled. Then, the resultant layered body is heated, so that joining parts in which insulating property of the insulating layer is broken are formed in these parts. An exhaust gas purifying catalyst is carried on the surfaces of the flat foil 10 and the corrugated foil 20.

4. 发明专利

JPH0947666A ELECTRIC HEATING TYPE METALLIC CATALYTIC CARRIER WITH EXCELLENT STRUCTURAL DURABILITY 失效
公开(公告)号：JPH0947666A
公开(公告)日：1997-02-18
申请号：JP20234095
申请日：1995-08-08
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： KONYA SHOGO , KAKO TAKUZO , NAKAJIMA IKUJI
IPC分类号： F01N3/28 , B01D53/86 , B01J35/04
摘要： PROBLEM TO BE SOLVED: To prevent rupture of a metallic corrugated foil and to increase durability by forming a honeycomb body of the metallic corrugated foil and splitting the tip part of the foil near to a central electrode in the cross direction and preventing spread of a crack caused by a heat cycle. SOLUTION: Through hole groups 17a, 17b consisting of through holes 17 of a plurality of rows are zigzag arranged in the tip part of a metallic corrugated foil 5 joined to a central electrode 6. Buckling depending on compressive force caused by temperature rise of the central electrode 6 is made slight by making thermal expansion of the metallic corrugated foil 5 near to the central electrode 6 absorbed. Further, even if a crack is caused on the exhaust gas inflow side, the crack is interruped by the through hole groups 17a, 17b of two rows and prevented from being spread on the downstream side of exhaust gas. Rupture of the metallic corrugated foil is prevented and durability is increased.

5. 发明专利

JPH08276133A MANUFACTURE OF HONEYCOMB FORM 失效
公开(公告)号：JPH08276133A
公开(公告)日：1996-10-22
申请号：JP8051495
申请日：1995-04-05
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP , NIPPON SOKEN
发明人： YOSHIDA KAZUO , YAMAMOTO YASUHIRO , KAKO TAKUZO , NAKAJIMA IKUJI , ITO TAKAAKI , YOSHIZAKI KOJI
IPC分类号： B01J35/02 , B01D53/86 , B01J35/04 , B23K1/00 , F01N3/20 , F01N3/28
摘要： PURPOSE: To secure the junctioning accuracy stably and improve the productivity by inserting a waxed foil which is previously cut to a specified position between a wavy foil and a plain foil, each time each layer is formed in a diametral direction, when a cylindrical honeycomb form is manufactured by arranging the waxed foil between the wavy foil and the plain foil and winding these foils around a take-up shaft in a spiral fashion. CONSTITUTION: When manufacturing a honeycomb form 4 which is used a catalyst carrier for an electric heating catalytic device, a wavy foil 3 and a plain foil 2 are wound by rotating a take-up shaft 1 to prepare a cylindrical honeycomb form 4. In this case, waxed foils 5a, 5b which are cut respectively at points A and B every time when foil layer is formed in a diametral direction. That is, a waxed foil introduction angle is previously set to a total number of windings + angle (e.g.

6. 发明专利

JPH06106073A METALLIC CARRIER FOR EXHAUST GAS PURIFYING CATALYST 失效
公开(公告)号：JPH06106073A
公开(公告)日：1994-04-19
申请号：JP26038992
申请日：1992-09-29
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CORP
发明人： YASHIRO MASAO , OTA HITOSHI , YOTSUYA KOKI , KAKO TAKUZO , NAKAJIMA IKUJI
IPC分类号： B01D53/86 , B01J33/00 , B01J35/04 , B21D47/00 , F01N3/28 , B01D53/36
摘要： PURPOSE:To provide the metallic carrier which is released in the thermal stress and thermal fatigue generated by heating and cooling cycles by joining a honeycomb body and an outside cylinder with a soft structure and is highly durable even if the thin type honeycomb body is particularly used. CONSTITUTION:This metallic carrier for an exhaust gas purifying catalyst is constituted by providing cushion materials 5 between the honeycomb body 3 and the outside cylinder 2 of the metallic carrier housed with the honeycomb body 3 formed by superposing and spirally winding metallic flat foil 7 and corrugated foil 8 into the metallic outside cylinder 2, then alternately joining the honeycomb body 3 and the outside cylinder 2 with the cushion materials 5. The cushion materials 5 are plates continuous in a circumferential direction or discontinuous small pieces. These cushion materials 5 may be provided with freely extendable and contractable buffer materials.

7. 发明专利

DE69503984D1 未知
公开(公告)号：DE69503984D1
公开(公告)日：1998-09-17
申请号：DE69503984
申请日：1995-05-29
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CO LTD
发明人： YOSHIZAKI KOUJI , OGAI MASAHIKO , KAKO TAKUZOU , NAKAJIMA IKUJI , FUJINO KENJI , ITOH KAZUNORI , KONYA SHOHGO , SATO KEIJI
IPC分类号： F01N3/20 , F01N3/28
摘要： The electrically heated catalytic converter of the present invention has a substrate, for a catalyst, which is formed as a scroll-like cylindrical laminated assembly. The scroll-like cylindrical laminated assembly is formed by laminating a thin corrugated metal sheet and a thin plain metal sheet and winding the laminated metal sheets together around a center electrode. The outermost layer of the laminated assembly is connected to an outer electrode. The corrugated metal sheet has an insulating coating made of an alumina Al2O3, and the plain metal sheet has no insulating coating. Local conductive connections are formed between the thin metal sheets by soldering the thin metal sheets using strips of zirconium solder foils interposed between the layers of the thin metal sheets. Since zirconium has larger reducing capability than aluminum, the alumina in the insulating coating is reduced by zirconium and precipitates at the local conductive connections. Therefore, the plain metal sheet and the corrugated metal sheet are electrically connected at the local conductive connections. The solder foils in the respective layers are arranged in such a manner that a strip of solder foil in one layer overlaps with strips of solder foils in adjoining layers only at its ends, and does not overlap with strips of solder foils in the layers next to the adjoining layers when viewed from the radial direction. Since the solder foils in two adjoining layers overlap only by a small area, electric current flows between the local conductive connections concentrates in the overlapped area when electricity is fed to the electrodes. Therefore, hot spots are formed. The resistances of overall electric paths can be easily adjusted by changing the lengths of the solder strips, i.e., distances between the hot spots. Therefore, the amount of electric current flowing through electric paths can be kept at appropriate level.

8. 发明专利

FI952601A0 未知
公开(公告)号：FI952601A0
公开(公告)日：1995-05-29
申请号：FI952601
申请日：1995-05-29
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CO LTD
发明人： YOSHIZAKI KOUJI , OGAL MASAHIKO , KAKO TAKUZOU , NAKAJIMA IKUJI , FUJINO KENJII , ITAH KAZUNORI , KONYA SHAHGO , SATO KEIJI
IPC分类号： F01N3/20 , F01N3/28 , F01N
摘要： The electrically heated catalytic converter of the present invention has a substrate, for a catalyst, which is formed as a scroll-like cylindrical laminated assembly. The scroll-like cylindrical laminated assembly is formed by laminating a thin corrugated metal sheet and a thin plain metal sheet and winding the laminated metal sheets together around a center electrode. The outermost layer of the laminated assembly is connected to an outer electrode. The corrugated metal sheet has an insulating coating made of an alumina Al2O3, and the plain metal sheet has no insulating coating. Local conductive connections are formed between the thin metal sheets by soldering the thin metal sheets using strips of zirconium solder foils interposed between the layers of the thin metal sheets. Since zirconium has larger reducing capability than aluminum, the alumina in the insulating coating is reduced by zirconium and precipitates at the local conductive connections. Therefore, the plain metal sheet and the corrugated metal sheet are electrically connected at the local conductive connections. The solder foils in the respective layers are arranged in such a manner that a strip of solder foil in one layer overlaps with strips of solder foils in adjoining layers only at its ends, and does not overlap with strips of solder foils in the layers next to the adjoining layers when viewed from the radial direction. Since the solder foils in two adjoining layers overlap only by a small area, electric current flows between the local conductive connections concentrates in the overlapped area when electricity is fed to the electrodes. Therefore, hot spots are formed. The resistances of overall electric paths can be easily adjusted by changing the lengths of the solder strips, i.e., distances between the hot spots. Therefore, the amount of electric current flowing through electric paths can be kept at appropriate level.

9. 发明专利

DE69503984T2 未知
公开(公告)号：DE69503984T2
公开(公告)日：1999-03-18
申请号：DE69503984
申请日：1995-05-29
申请人： NIPPON STEEL CORP , TOYOTA MOTOR CO LTD
发明人： YOSHIZAKI KOUJI , OGAI MASAHIKO , KAKO TAKUZOU , NAKAJIMA IKUJI , FUJINO KENJI , ITOH KAZUNORI , KONYA SHOHGO , SATO KEIJI
IPC分类号： F01N3/20 , F01N3/28
摘要： The electrically heated catalytic converter of the present invention has a substrate, for a catalyst, which is formed as a scroll-like cylindrical laminated assembly. The scroll-like cylindrical laminated assembly is formed by laminating a thin corrugated metal sheet and a thin plain metal sheet and winding the laminated metal sheets together around a center electrode. The outermost layer of the laminated assembly is connected to an outer electrode. The corrugated metal sheet has an insulating coating made of an alumina Al2O3, and the plain metal sheet has no insulating coating. Local conductive connections are formed between the thin metal sheets by soldering the thin metal sheets using strips of zirconium solder foils interposed between the layers of the thin metal sheets. Since zirconium has larger reducing capability than aluminum, the alumina in the insulating coating is reduced by zirconium and precipitates at the local conductive connections. Therefore, the plain metal sheet and the corrugated metal sheet are electrically connected at the local conductive connections. The solder foils in the respective layers are arranged in such a manner that a strip of solder foil in one layer overlaps with strips of solder foils in adjoining layers only at its ends, and does not overlap with strips of solder foils in the layers next to the adjoining layers when viewed from the radial direction. Since the solder foils in two adjoining layers overlap only by a small area, electric current flows between the local conductive connections concentrates in the overlapped area when electricity is fed to the electrodes. Therefore, hot spots are formed. The resistances of overall electric paths can be easily adjusted by changing the lengths of the solder strips, i.e., distances between the hot spots. Therefore, the amount of electric current flowing through electric paths can be kept at appropriate level.

10. 发明专利

JP2000305037A METHOD AND DEVICE FOR FLUCTUATING LASER BEAM 失效
公开(公告)号：JP2000305037A
公开(公告)日：2000-11-02
申请号：JP11285899
申请日：1999-04-20
申请人： NIPPON STEEL CORP
发明人： MIYAZAKI YASUNOBU , FURUSAKO SEIJI , OBARA MASAHIRO , HAYASHIDA KUNIHIRO , WASHITANI TOSHIMI , NAKAJIMA IKUJI , HARA ITSUKI , KIKUCHI MASAAKI
IPC分类号： B23K26/082 , G02B26/10 , B23K26/08
摘要： PROBLEM TO BE SOLVED: To provide a method and a device by which a laser beam is stably fluctuated at high speed with small angular momentum and small momentum without changing the moving speed and the moving direction. SOLUTION: By this fluctuating method of the laser beam, the laser beam is fluctuated by driving the reflection mirror 2 of the laser beam or transmitting optical parts 1 in such a pseudo procession moving state not accompanied with rotation. Besides, this laser beam fluctuation device is successively provided with a means 4 giving the electromagnetic driving force of three or more deviated phases to one or more mirrors 2 or the parts 1 of a laser beam optical system in order to execute this method so that the mirror 2 or the parts 1 are fluctuated by being driven in the pseudo procession moving state not accompanied with the rotation.

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