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公开(公告)号：US4652705A
公开(公告)日：1987-03-24
申请号：US767361
申请日：1985-08-20
申请人： Naotaka Nakamura , Yoshimi Miyamoto , Motokazu Momiyama , Toshiji Tsubai, deceased , Tatsuo Teratani , Nobuyuki Ishihara
发明人： Naotaka Nakamura , Yoshimi Miyamoto , Motokazu Momiyama , Toshiji Tsubai, deceased , Tatsuo Teratani , Nobuyuki Ishihara
CPC分类号： F02P7/025
摘要： An ignition distributor having a radio wave noise suppressing function has a rotor electrode and counter electrodes. At least the cathodic one of the rotor electrode and the counter electrodes is provided at its end with a coating layer of a material which is a mixture of a metal oxide having a high electric resistance and a metal oxide which constitutes a dielectric body stable in a high-temperature atmosphere. The metal oxide having high electric resistance consists essentially of 10 to 50 wt % of Cu.sub.2 O and 90 to 50 wt % of CuO, while the metal oxide constituting the dielectric body essentially consists of 70 to 90 wt % of alumina with respect to the weight of the metal oxide having high electric resistance.
摘要翻译： 具有无线电波噪声抑制功能的点火分配器具有转子电极和对电极。 至少在转子电极和对电极的阴极上设置有具有高电阻的金属氧化物和金属氧化物的混合物的涂层的涂层，该金属氧化物构成在 高温大气。 具有高电阻的金属氧化物基本上由Cu2O的10至50重量％和CuO的90至50重量％组成，而构成电介质体的金属氧化物相对于氧化铝的重量主要由70至90重量％的氧化铝 金属氧化物具有高电阻。
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2.发明授权Material for high frequency suppression and distributor for combustion engine composed of the same material 失效用于高频抑制的材料和由相同材料组成的内燃机的分配器
公开(公告)号：US4625085A
公开(公告)日：1986-11-25
申请号：US639204
申请日：1984-08-09
CPC分类号： F02P7/023 , C04B35/453 , F02P7/025 , H01T7/00
摘要： A distributor having electrodes made of a sintered body composed of a composite material such that the distributor can suppress radio noises to thereby prevent electric interference. The material for the electrodes, the sintered body, is composed of 45-90 mol % of zinc oxide and 55-10 mol % of ferrite, which can suppress radio noises generated between the electrodes due to spark discharging. At the same time, the energy loss within such composite material is small and consumption of electrode can be restrained. Electrode durability is further improved by including bismuth oxide, manganese oxide and cobalt oxide in the electrode material. An ignition plug and electric discharge machine can also advantageously use the electrodes composed of such materials.
摘要翻译： 具有由复合材料构成的烧结体的电极的分配器，使得分配器能够抑制无线电噪声，从而防止电干扰。 用于电极的材料，烧结体由氧化锌45-90摩尔％和铁素体55-10摩尔组成，能够抑制由于火花放电而在电极之间产生的无线电噪声。 同时，这种复合材料的能量损耗小，电极的消耗也受到限制。 通过在电极材料中包含氧化铋，氧化锰和氧化钴，进一步提高了电极耐久性。 火花塞和放电机也可以有利地使用由这种材料组成的电极。
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公开(公告)号：US5101803A
公开(公告)日：1992-04-07
申请号：US610769
申请日：1990-11-08
申请人： Naotaka Nakamura , Shigemi Ito
发明人： Naotaka Nakamura , Shigemi Ito
CPC分类号： F02P13/00 , H01F38/12 , H01F2038/122
摘要： An ignition coil disposed and used in the neighborhood of a part made of a conductive material is provided with a first core made of a magnetic material, around which a primary coil and a secondary coil are wound; and a second core made of a magnetic material and having a cylindrical portion, in which the primary coil and the secondary coil and the first core are contained, and forms a closed magnetic path in conjunction with the first core.
摘要翻译： 在由导电材料制成的部分附近设置并使用的点火线圈设置有由磁性材料制成的第一芯体，初级线圈和次级线圈绕其缠绕; 以及由磁性材料制成并具有圆筒部分的第二芯体，其中包含初级线圈和次级线圈以及第一芯体，并与第一芯片结合形成封闭的磁路。
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公开(公告)号：US4681989A
公开(公告)日：1987-07-21
申请号：US810225
申请日：1985-12-17
CPC分类号： F02P7/025
摘要： A distributor for an internal combustion engine, wherein a plurality of fixed electrodes which are respectively connected to a plurality of sparking plugs of an internal combustion engines, a rotating electrode rotatable in synchronism with a crank shaft of the internal combustion engine thereby forming sequentially a narrow gap with each of the fixed electrodes, and at least either the fixed electrodes or the rotatable electrode are made of such a ceramic that has the function of a varistor. Thereby the distributor is capable of suppressing noise current caused by spark discharge which is made between the rotating electrode and each of the fixed electrodes.
摘要翻译： 一种用于内燃机的分配器，其中分别连接到内燃机的多个火花塞的多个固定电极，可与内燃机的曲轴同步旋转的旋转电极，从而依次形成狭窄的 与每个固定电极的间隙，以及固定电极或可旋转电极中的至少一个由具有变阻器功能的陶瓷制成。 由此，分配器能够抑制在旋转电极和每个固定电极之间产生的由火花放电引起的噪声电流。
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公开(公告)号：US4640996A
公开(公告)日：1987-02-03
申请号：US744733
申请日：1985-06-14
申请人： Ichirou Yoshida , Morihiro Atsumi , Naotaka Nakamura , Kenji Yagi , Shunzo Yamaguchi , Manabu Yamada
发明人： Ichirou Yoshida , Morihiro Atsumi , Naotaka Nakamura , Kenji Yagi , Shunzo Yamaguchi , Manabu Yamada
摘要： An ignition distributor for use in internal combustion engines has a noise preventive function capable of suppressing the generation of radiowave noises due to the spark discharge produced between a rotary electrode and stationary electrodes disposed on the side of the rotational circumference thereof opposing thereto. The ignition distributor has stationary electrodes and a rotary electrode, in which each of the plurality of stationary electrodes or rotary electrode has a main body made of a sintering product composed of powdery zinc oxide and powdery ferrite and a surface layer mainly composed of ferrite integrally formed to the surface portion of the main body.
摘要翻译： 用于内燃机的点火分配器具有能够抑制由设置在与其相对的旋转圆周侧的旋转电极和固定电极之间产生的火花放电而产生无线电波噪声的防噪声功能。 点火分配器具有固定电极和旋转电极，其中多个固定电极或旋转电极中的每一个具有由粉末状氧化锌和粉状铁素体构成的烧结产物和主要由铁氧体一体形成的表面层制成的主体 到主体的表面部分。
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公开(公告)号：US4435692A
公开(公告)日：1984-03-06
申请号：US453976
申请日：1982-12-28
CPC分类号： H01B7/0063
摘要： An ignition cable for supplying voltage to the spark plugs of an internal combustion engine, the cable having a low electrostatic capacity such that it does not produce noise in an FM radio frequency band. A central reinforcing string made of aramido-type fibers is covered by a ferrite core. A resistance wire having 8,000-14,000 turns/meter is wound onto the core. The assembly is then coated with a polyolefin insulation layer, a crossed-fiber reinforcement layer, and a silicon sheath, respectively.
摘要翻译： 一种用于向内燃机的火花塞提供电压的点火电缆，所述电缆具有低静电容量，使得其在FM无线电频带中不产生噪声。 由芳纶型纤维制成的中央增强线被铁氧体磁芯覆盖。 将具有8,000-14,000匝/米的电阻线缠绕在芯上。 然后，该组件分别涂覆有聚烯烃绝缘层，交叉纤维增强层和硅护套。
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