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1. 发明授权

US06390443B1 Composite magnetic member, process for producing the member and electromagnetic valve using the member 失效
标题翻译：复合磁性构件，用于制造构件的方法和使用该构件的电磁阀
公开(公告)号：US06390443B1
公开(公告)日：2002-05-21
申请号：US09577503
申请日：2000-05-24
申请人： Yoshitada Katayama , Youzou Majima , Takayuki Shibata , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
发明人： Yoshitada Katayama , Youzou Majima , Takayuki Shibata , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
IPC分类号： F16K5100
CPC分类号： H01F1/147 , B60T8/3615 , C21D8/12 , C21D8/1294 , F15B13/044 , F16K31/06 , H01F1/0302 , H01F1/0306 , H01F1/047 , H01F7/081 , Y10S428/90
摘要： A metallic member including not more than 0.6% C, 12 to 19% Cr, 6 to 12% Ni, not more than 2% Mn, not more than 2% Mo, not more than 1% Nb and the balance being Fe and inevitable impurities, where Hirayama's equivalent H eq=[Ni %]+1.05 [Mn %]+0.65 [Cr %]+0.35 [Si %]+12.6 [C %] is 20 to 23%; Nickel equivalent Ni eq=[Ni %]+30 [C %]+0.5 [Mn %] is 9 to 12%, and Chromium equivalent Cr eq=[Cr %]+[Mo %]+1.5 [Si %]+0.5 [Nb %] is 16 to 19, wherein % is by weight, is made to have at least one ferromagnetized part having a magnetic flux density B4000 of not less than 0.3 T and at least one non-magnetized part having a relative magnetic permeability &mgr; of not more than 1.2 at a temperature of not less than −40° C., as continuously and integrally formed. The non-magnetized part has crystal grain sizes of not more than 30 &mgr;m. The metallic member is subjected to magnetization and successive local non-magnetization of part or parts of the ferromagnetized member, and the thus obtained composite magnetic member is employed as a support member such as a sleeve in electromagnetic valves.
摘要翻译：包含不超过0.6％C，12-19％Cr，6-12％Ni，不大于2％Mn，不超过2％Mo，不大于1％Nb和余量为Fe和不可避免的金属构件杂质，其中日山的等效H eq = [Ni％] + 1.05 [Mn％] + 0.65 [Cr％] + 0.35 [Si％] + 12.6 [C％]为20〜23％;镍当量Ni eq = [Ni％ +30 [C％] +0.5 [Mn％]为9〜12％，铬当量Cr eq = [Cr％] + [Mo％] + 1.5 [Si％] +0.5 [Nb％]为16〜19，％的重量比被制成具有磁通密度B4000至少为0.3T的至少一个铁磁性部分和至少一个在不是的温度下具有相对导磁率μ不大于1.2的非磁化部分小于-40℃，连续地和一体地形成。非磁化部件的晶粒尺寸不超过30μm。金属构件经受铁磁性构件的部分或部分的磁化和连续的局部非磁化，并且将如此获得的复合磁性构件用作诸如电磁阀中的套筒的支撑构件。

2. 发明授权

US06187459B1 Composite magnetic member, process for producing the member and electromagnetic valve using the member 有权
标题翻译：复合磁性构件，用于制造构件的方法和使用该构件的电磁阀
公开(公告)号：US06187459B1
公开(公告)日：2001-02-13
申请号：US09149082
申请日：1998-09-08
申请人： Yoshitada Katayama , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
发明人： Yoshitada Katayama , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
IPC分类号： G11B566
CPC分类号： H01F1/147 , B60T8/3615 , C21D8/12 , C21D8/1294 , F15B13/044 , F16K31/06 , H01F1/0302 , H01F1/0306 , H01F1/047 , H01F7/081 , Y10S428/90
摘要： A metallic member including not more than 0.6% C, 12 to 19% Cr, 6 to 12% Ni, not more than 2% Mn, not more than 2% Mo, not more than 1% Nb and the balance being Fe and inevitable impurities, where Hirayama's equivalent H eq=[Ni %]+1.05 [Mn %]+0.65 [Cr %]+0.35 [Si %]+12.6 [C %] is 20 to 23%; Nickel equivalent Ni eq=[Ni %]+30 [C %]+0.5 [Mn %] is 9 to 12%, and Chromium equivalent Cr eq=[Cr %]+[Mo %]+1.5 [Si %]+0.5 [Nb %] is 16 to 19, wherein % is by weight, is made to have at least one ferromagnetized part having a magnetic flux density B4000 of not less than 0.3T and at least one non-magnetized part having a relative magnetic permeability &mgr; of not more than 1.2 at a temperature of not less than −40° C., as continuously and integrally formed. The non-magnetized part has crystal grain sizes of not more than 30 &mgr;m. The metallic member is subjected to by ferromagnetization and successive local non-magnetization of part or parts of the ferromagnetized member, and the thus obtained composite magnetic member is employed as a support member such as a sleeve in electromagnetic valves.
摘要翻译：包含不超过0.6％C，12-19％Cr，6-12％Ni，不大于2％Mn，不超过2％Mo，不大于1％Nb和余量为Fe和不可避免的金属构件杂质，其中日山的等效H eq = [Ni％] + 1.05 [Mn％] + 0.65 [Cr％] + 0.35 [Si％] + 12.6 [C％]为20〜23％;镍当量Ni eq = [Ni％ +30 [C％] +0.5 [Mn％]为9〜12％，铬当量Cr eq = [Cr％] + [Mo％] + 1.5 [Si％] +0.5 [Nb％]为16〜19，％的重量比被制成具有磁通密度B4000至少为0.3T的至少一个铁磁性部分和至少一个在非温度下的相对导磁率μ不大于1.2的非磁化部分小于-40℃，连续地和一体地形成。非磁化部件的晶粒尺寸不超过30μm。金属构件通过铁磁性和铁磁性构件的一部分或多个部分的连续的局部非磁化受到影响，由此获得的复合磁性构件用作诸如电磁阀中的套筒的支撑构件。

3. 发明授权

US5865907A Composite magnetic member, process for producing the member and electromagnetic valve using the member 失效
标题翻译：复合磁性构件，用于制造构件的方法和使用该构件的电磁阀
公开(公告)号：US5865907A
公开(公告)日：1999-02-02
申请号：US262067
申请日：1994-06-17
申请人： Yoshitada Katayama , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
发明人： Yoshitada Katayama , Keizo Takeuchi , Toshiaki Terada , Shinya Sugiura , Hakaru Sasaki , Tsutomu Inui
IPC分类号： C22C38/00 , B60T8/36 , C21D6/00 , C21D8/12 , F15B13/044 , F16K31/06 , H01F1/03 , H01F1/047 , H01F1/14 , H01F1/147 , H01F7/08
CPC分类号： H01F1/147 , B60T8/3615 , C21D8/12 , C21D8/1294 , F15B13/044 , F16K31/06 , H01F1/0302 , H01F1/0306 , H01F1/047 , H01F7/081 , Y10S428/90
摘要： A metallic member including not more than 0.6% C, 12 to 19% Cr, 6 to 12% Ni, not more than 2% Mn, not more than 2% Mo, not more than 1% Nb and the balance being Fe and inevitable impurities, whereHirayama's equivalent H eq=�Ni %!+1.05 �Mn %!+0.65 �Cr %!+0.35 �Si %!+12.6 �C %! is 20 to 23%;Nickel equivalent Ni eq=�Ni %!+30 �C %!+0.5 �Mn %! is 9 to 12%, andChromium equivalent Cr eq=�Cr %!+�Mo %!+1.5 �Si %!+0.5 �Nb %! is 16 to 19, wherein % is by weight, is made to have at least one ferromagnetized part having a magnetic flux density B.sub.4000 of not less than 0.3 T and at least one non-magnetized part having a relative magnetic permeability .mu. of not more than 1.2 at a temperature of not less than -40.degree. C., as continuously and integrally formed. The non-magnetized part has crystal grain sizes of not more than 30 .mu.m. The metallic member is subjected to ferromagnetization and successive local non-magnetization of part or parts of the ferromagnetized member, and the thus obtained composite magnetic member is employed as a support member such as a sleeve in electromagnetic valves.
摘要翻译：包含不超过0.6％C，12-19％Cr，6-12％Ni，不大于2％Mn，不超过2％Mo，不大于1％Nb和余量为Fe和不可避免的金属构件杂质，其中平山的等效H eq = [Ni％] + 1.05 [Mn％] + 0.65 [Cr％] + 0.35 [Si％] + 12.6 [C％]为20〜23％镍当量Ni eq = [Ni％] + 30 [C％] + 0.5 [Mn％]为9〜12％，铬当量Cr eq = [Cr％] + [Mo％] + 1.5 [Si％] + 0.5 [Nb％]为16〜19，其中，以重量％计，具有至少一种磁通密度B4000为0.3T以上的铁磁性部分和至少一个具有相对磁导率μ的非磁化部分在不低于-40℃的温度下不超过1.2，连续地和一体形成。非磁化部件的晶粒尺寸不超过30μm。金属构件经受铁磁化和铁磁性构件的一部分或部分的连续局部非磁化，并且将由此获得的复合磁性构件用作诸如电磁阀中的套筒的支撑构件。

4. 发明授权

US5492573A High-strength stainless steel for use as material of fuel injection nozzle or needle for internal combustion engine, fuel injection nozzle made of the stainless steel 失效
标题翻译：高强度不锈钢用作燃油喷嘴或内燃机针，不锈钢燃油喷嘴
公开(公告)号：US5492573A
公开(公告)日：1996-02-20
申请号：US229005
申请日：1994-04-18
申请人： Katsuaki Fukushima , Toshio Okuno , Masakazu Ito , Keizo Takeuchi , Toshiaki Terada
发明人： Katsuaki Fukushima , Toshio Okuno , Masakazu Ito , Keizo Takeuchi , Toshiaki Terada
IPC分类号： C22C38/00 , C22C38/26 , C22C38/30 , F02M61/16 , F02M61/18 , C22C38/22
CPC分类号： F02M61/166 , C22C38/26 , C22C38/30
摘要： A high-strength stainless steel for use as a material of a fuel injection nozzle or a fuel injection needle of an internal combustion engine. The stainless steel is an as annealed martensitic stainless steel which exhibits a hardness not less than HRC 58 after quenching and tempering heat-treatment. The limit swaging ratio of said as annealed martensitic stainless steel is not less than 75%. The hardness of said as annealed martensitic stainless steel is not higher than HB 157. Preferably, the number of carbides having sizes of 0.2 .mu.m or less occupies not more than 50% of the total carbides, and wherein the limit swaging ratio of said as annealed martensitic stainless steel is not less than 75% or the hardness of said as annealed martensitic stainless steel is not higher than HB 157. Preferably, the stainless steel has a chemical composition containing, by weight: 0.4 to 0.6% of C; not more than 0.5% of Si; not more than 0.5% of Mn; 8.0 to 13.0% of Cr; 0.1 to 2.0% of one or both of W and Mo in terms of W/2+Mo; one or both of 0.05 to 1.0% of one or both of Nb and V in terms of Nb/2+V, and 0.2 to 2.0% of Co; and the balance substantially Fe and incidental impurities.
摘要翻译：一种高强度不锈钢，用作燃料喷嘴或内燃机的燃料喷射针的材料。不锈钢是退火马氏体不锈钢，淬火回火热处理后的硬度不低于HRC 58。所述退火马氏体不锈钢的极限锻压比不小于75％。所述退火的马氏体系不锈钢的硬度不高于HB157。优选地，尺寸为0.2μm以下的碳化物的数量不超过总碳化物的50％，并且其中所述作为退火的马氏体不锈钢的极限锻造比退火的马氏体不锈钢不小于75％，或者所述退火的马氏体不锈钢的硬度不高于HB157。优选地，不锈钢具有以重量计含有：C = 0.4-0.6％的化学组成; 不超过0.5％的Si; 不超过0.5％的Mn; 8.0〜13.0％的Cr; 以W / 2 + Mo计，W和Mo中的一种或两种为0.1〜2.0％以Nb / 2 + V表示的Nb和V中的一种或两种中的一种或两种中的一种或两种，以及Co的0.2〜2.0％余量基本上是Fe和杂质。

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