公开(公告)号：US4362845A

公开(公告)日：1982-12-07

申请号：US329070

申请日：1981-12-09

申请人： Kazumasa Kamata ,  Kazuo Kishida ,  Kazuo Ueda ,  Norihisa Osaka

发明人： Kazumasa Kamata ,  Kazuo Kishida ,  Kazuo Ueda ,  Norihisa Osaka

IPC分类号： C08L27/00 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L27/06 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04

CPC分类号： C08L27/06 ,  C08L51/00 ,  Y10S525/902

摘要： A composition with high impact resistance and little fish eyes content, comprising 97 to 60 parts by weight of a polyvinyl chloride-base resin and 3 to 40 parts by weight of a graft copolymer obtained by the three-stage graft-polymerization of 65 to 25 parts by weight of a monomer combination (B) comprising 12 to 57% by weight of methyl methacrylate, 1 to 24% by weight of at least one of alkyl acrylates having a C.sub.1-8 -alkyl group, 80 to 40% by weight of styrene and 0 to 3% by weight of a polyfunctional crosslinking agent having one or more alkyl groups in the molecule onto 35 to 75 parts by weight of a butadiene-base elastomer (A) containing 30% by weight or more of 1,3-butadiene units, said three-stage graft polymerization being carried out in the following way: at first at least one member selected from the group consisting of electrolytes and carboxyl-containing polymer latices is added to the reaction system; then in the first stage monomer mixture consisting of major amount of methyl methacrylate and minor amount of an alkyl acrylate or acrylates, which has a proportion of 50 to 90% by weight based on total weight of methyl methacrylate and alkyl acrylate or acrylates, and, if included in said monomer combination, a polyfunctional crosslinking agent are graft-polymerized; in the second stage, styrene is graft-polymerized; and in the third stage, the remaining 10 to 50% by weight of methyl methacrylate and an alkyl acrylate or acrylates are graft-polymerized.

摘要翻译： 具有高耐冲击性和鱼眼含量少的组合物，包含97-60重量份聚氯乙烯基树脂和3-40重量份通过三相接枝聚合获得的接枝共聚物65至25 重量份的包含12至57重量％甲基丙烯酸甲酯的单体组合（B），1至24重量％的至少一种具有C 1-8 - 烷基的丙烯酸烷基酯，80至40重量％ 苯乙烯和0〜3重量％的在分子中具有一个或多个烷基的多官能交联剂，在35〜75重量份的含有30重量％以上的1,3-丁二烯系弹性体（A） 丁二烯单元，所述三段接枝聚合按以下方式进行：首先将至少一种选自电解质和含羧基聚合物胶乳的组分加入到反应体系中; 然后在第一阶段由主要量的甲基丙烯酸甲酯和少量的丙烯酸烷基酯或丙烯酸酯组成的单体混合物，其占甲基丙烯酸甲酯和丙烯酸烷基酯或丙烯酸酯的总重量的50至90重量％ 如果包括在所述单体组合中，则多官能交联剂被接枝聚合; 在第二阶段，苯乙烯接枝聚合; 并且在第三阶段中，剩余的10至50重量％的甲基丙烯酸甲酯和丙烯酸烷基酯或丙烯酸酯被接枝聚合。

公开(公告)号：US4696973A

公开(公告)日：1987-09-29

申请号：US641989

申请日：1984-08-20

申请人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

发明人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

IPC分类号： C08L51/00 ,  C08L101/00 ,  C08L51/04

CPC分类号： C08L51/00 ,  C08L101/00

摘要： Am impact modifier comprising a blend of 100 parts by weight of a graft copolymer (A) obtained by graft-polymerizing in a single or more stages a monomer or monomer mixture consisting of 95 to 100% by weight of at least one monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, aromatic vinyl compounds and vinyl cyanide compounds and 0 to 5% by weight of a polyfunctional crosslinking agent on an acrylic elastomer mainly composed of an alkyl acrylate and containing 0.1 to 5% by weight of a polyfunctional crosslinking agent and/or a butadiene elastomer composed of a polybutadiene or a copolymer of 50% by weight or more of a butadiene and 50% by weight or less of other vinyl compound copolymerizable therewith and containing 0 to 5% by weight of a polyfunctional crosslinking agent, and 0.1 to 20 parts by weight of a copolymer (B) obtained by copolymerizing 3 to 30% by weight of an unsaturated acid monomer and 97 to 70% by weight of a vinyl monomer copolymerizable therewith, and a thermoplastic resin composition having high impact resistance and excellent moldability and workability comprising 3 to 50 parts by weight of the modifier set forth above and 100 parts of weight of a thermoplastic resin.

摘要翻译： Am抗冲改性剂，其包含100重量份的通过在一个或多个阶段中接枝聚合获得的接枝共聚物（A）的共混物，所述单体或单体混合物由95-100重量％的至少一种选自以下的单体组成： 由丙烯酸烷基酯，甲基丙烯酸烷基酯，芳香族乙烯基化合物和氰化乙烯基化合物组成的组和0-5重量％的主要由丙烯酸烷基酯组成并含有0.1-5重量％多官能交联的丙烯酸类弹性体的多官能交联剂 和/或丁二烯弹性体，其由聚丁二烯或50重量％以上的丁二烯和50重量％以下的可共聚的其它乙烯基化合物和含有0〜5重量％的多官能交联剂的共聚物组成 和0.1〜20重量份通过共聚3〜30重量％的不饱和酸单体和97〜70重量％的乙烯基单体共聚物的共聚物（B） 以及具有高耐冲击性和优异的成型性和加工性的热塑性树脂组合物，其包含3至50重量份的上述改性剂和100重量份的热塑性树脂。

公开(公告)号：US4564653A

公开(公告)日：1986-01-14

申请号：US645358

申请日：1984-08-29

申请人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

发明人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

IPC分类号： C08F285/00 ,  C08L1/00 ,  C08L51/00 ,  C08L101/00 ,  C08L33/02 ,  C08L51/06

CPC分类号： C08L1/00 ,  C08F285/00 ,  C08L101/00 ,  C08L51/00 ,  Y10S525/902

摘要： An impact modifier comprising a blend of 100 parts by weight of a multi-layer graft copolymer composed of monomers selected from the group consisting of alkyl acrylates, alkyl methacrylates, aromatic vinyl compounds, vinyl cyanide compounds and butadienes and having a multi-layer structure consisting of at least three layers (A), (B) and (C) in which the glass transition temperature of the polymer composing the outermost layer (A) is 0.degree. C. or below, the glass transition temperature of the polymer composing the second layer (B) from the outermost layer (A) is 60.degree. C. or above and the glass transition temperature of the polymer composing the third layer (C) from the outermost layer (A) is 0.degree. C. or below, each of the layers containing a polyfunctional crosslinking agent in an amount of 0 to 5% by weight based on the weight of the layer, and 0.1 to 20 parts by weight of a copolymer obtained by copolymerizing 3 to 30% by weight of an unsaturated acid monomer and 97 to 70% by weight of a vinyl monomer copolymerizable therewith, and a thermoplastic resin composition having excellent impact resistance and molding workability comprising 3 to 50 parts by weight of the modifier set forth above and 100 parts by weight of a thermoplastic resin.

摘要翻译： 一种抗冲击改性剂，其包含100重量份的由选自丙烯酸烷基酯，甲基丙烯酸烷基酯，芳族乙烯基化合物，乙烯基氰化合物和丁二烯的单体组成的多层接枝共聚物的共混物，并且具有多层结构 至少三层（A），（B）和（C），其中构成最外层（A）的聚合物的玻璃化转变温度为0℃以下，构成第二层的聚合物的玻璃化转变温度 最外层（A）的层（B）为60℃以上，由最外层（A）构成第三层（C）的聚合物的玻璃化转变温度为0℃以下， 所述层含有基于层的重量为0〜5重量％的多官能交联剂，和通过共聚3〜30重量％的不饱和酸单体和0.1〜20重量份的共聚物， 97〜70重量％ 的可共聚的乙烯基单体和具有优异的耐冲击性和成型加工性的热塑性树脂组合物，其包含3至50重量份的上述改性剂和100重量份的热塑性树脂。

公开(公告)号：US4663382A

公开(公告)日：1987-05-05

申请号：US795518

申请日：1985-11-06

申请人： Kazuo Kishida ,  Kazuo Ueda ,  Kiyokazu Kitai ,  Tsuruyoshi Matsumoto

发明人： Kazuo Kishida ,  Kazuo Ueda ,  Kiyokazu Kitai ,  Tsuruyoshi Matsumoto

IPC分类号： C08K5/00 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L23/00 ,  C08L27/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L51/06 ,  C08L67/00 ,  C08L101/00 ,  C08L13/00 ,  C08L51/04

CPC分类号： C08K5/0016 ,  C08L27/06 ,  C08L51/003

摘要： Disclosed is a non-rigid vinyl chloride polymer composition comprising 100 weight parts of a vinyl chloride polymer resin, 5-50 weight parts of a graft copolymer modifier and 10-300 weight parts of a plasticizer. The graft copolymer modifier is obtained by graft-polymerizing 25-150 weight parts of an alkyl ester of methacrylic acid having 1 to 4 carbon atoms in the alkyl group or a monomer mixture composed of at least more than 50% by weight of said alkyl ester of methacrylic acid onto 100 weight parts of an acrylic elastomer having a swelling degree of 5 to 25 so that the grafting ratio is not larger than 50%. The acrylic elastomer is obtained by polymerizing a mixture comprising an alkyl ester of acrylic acid having 2 to 10 carbon atoms in the alkyl group or a monomer mixture composed of at least 50% by weight of said alkyl ester of acrylic acid, and a polyfunctional crosslinking agent. The non-rigid vinyl chloride polymer composition has excellent weatherability and impact resistance, and exhibits a good molding processability.

摘要翻译： 公开了一种非刚性氯乙烯聚合物组合物，其包含100重量份的氯乙烯聚合物树脂，5-50重量份的接枝共聚物改性剂和10-300重量份的增塑剂。 接枝共聚物改性剂通过在烷基中接枝聚合25-150重量份的具有1至4个碳原子的甲基丙烯酸的烷基酯或由至少大于50重量％的所述烷基酯组成的单体混合物 的甲基丙烯酸加入到100重量份的溶胀度为5〜25的丙烯酸类弹性体中，使得接枝率不大于50％。 丙烯酸弹性体是通过在烷基中聚合含有2-10个碳原子的丙烯酸烷基酯的混合物或由至少50重量％的所述丙烯酸烷基酯组成的单体混合物和多官能交联 代理商 非刚性氯乙烯聚合物组合物具有优异的耐候性和耐冲击性，并且表现出良好的成型加工性。

公开(公告)号：US4699948A

公开(公告)日：1987-10-13

申请号：US801051

申请日：1985-11-22

申请人： Kazuo Kishida ,  Kazuo Ueda ,  Masahiro Kaneda

发明人： Kazuo Kishida ,  Kazuo Ueda ,  Masahiro Kaneda

IPC分类号： C08L1/00 ,  C08L27/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L51/06

CPC分类号： C08L27/06 ,  C08L51/00 ,  Y10S525/902

摘要： Disclosed is a vinyl chloride polymer composition comprising:(i) 100 parts by weight of a vinyl chloride polymer containing at least 80 wt. % of vinyl chloride units, and(ii) 0.05 to 25 wt. parts of a three-stage polymer (II), which is obtained by polymerizing 10 to 30 wt. parts of at least one monomer (B), which is selected from acrylic acid esters, methacrylic acid esters, aromatic vinyl compounds, cyano-vinyl compounds and vinyl ester compounds so that the glass transition temperature of a polymer obtained by separately polymerizing the monomer (B) is 0.degree. to 60.degree. C., in the presence of 45 to 85 wt. parts of a methyl methacrylate polymer (A) containing at least 80 wt. % of methyl methacrylate units; and then polymerizing 5 to 25 wt. parts of a methyl methacrylate monomer or monomer mixture (C) containing at least 80 wt. % of methyl methacrylate in the presence of the obtained copolymer comprising the components (A) and (B) so that the total amount of the components (A), (B), and (C) is 100 wt. parts. The vinyl chloride polymer composition is advantageous in that the gelation speed is high, the parting property at the calendering step is good, adhesion to the vessel wall is not caused at the blending step before the processing, the processability is excellent, and the composition gives a molded articles having a good transparency and a good surface condition.

摘要翻译： 公开了一种氯乙烯聚合物组合物，其包含：（i）100重量份的含有至少80重量％ ％的氯乙烯单元，和（ii）0.05〜25wt。 通过聚合10〜30重量份的三段聚合物（II） 选自丙烯酸酯，甲基丙烯酸酯，芳族乙烯基化合物，氰基乙烯基化合物和乙烯基酯化合物中的至少一种单体（B）的部分，使得通过单独聚合单体获得的聚合物的玻璃化转变温度（ B）为0〜60℃，在45〜85wt。 部分甲基丙烯酸甲酯聚合物（A）含有至少80wt。 ％的甲基丙烯酸甲酯单位; 然后聚合5〜25wt。 部分甲基丙烯酸甲酯单体或单体混合物（C）含有至少80wt。 在得到的包含组分（A）和（B）的共聚物存在下，使组分（A），（B）和（C）的总量为100重量％ 部分。 氯乙烯聚合物组合物的优点在于凝胶化速度快，压延步骤的脱模性良好，在加工前的共混步骤中不会对容器壁产生附着力，加工性优异，组成给出 具有良好的透明性和良好的表面状态的成型品。

公开(公告)号：US4730024A

公开(公告)日：1988-03-08

申请号：US860256

申请日：1986-05-06

申请人： Kazuo Kishida ,  Kazuo Ueda ,  Masahiro Kaneda

发明人： Kazuo Kishida ,  Kazuo Ueda ,  Masahiro Kaneda

IPC分类号： C08L51/06 ,  C08F257/00 ,  C08F285/00 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L23/06 ,  C08L25/06 ,  C08L27/00 ,  C08L27/06 ,  C08L33/10 ,  C08L51/00 ,  C08L51/02 ,  C08L55/02 ,  C08L57/00 ,  C08L101/00 ,  C08F265/04 ,  C08F255/00 ,  C08F265/06

CPC分类号： C08L33/10 ,  C08F285/00 ,  C08L23/06 ,  C08L25/06 ,  C08L27/06 ,  C08L55/02 ,  C08L57/00 ,  C08L51/00 ,  Y10S525/902

摘要： Disclosed is a lubricant for thermoplastic resins, which is prepared by (A) polymerizing 60-100 wt. % of an aromatic vinyl monomer and 0-40 wt. % of other vinyl monomer copolymerizable therewith to form a polymer, (B) polymerizing 30-70 wt. parts of a monomer or monomer mixture comprising 50-100 wt. % of an acrylic acid ester and 0-50 wt. % of other vinyl monomer or monomers copolymerizable therewith in the presence of 10-60 wt. parts of said polymer so that when said monomer or monomer mixture is singly polymerized, the reduced viscosity of the resulting polymer is lower than 1.0, to obtain a polymer, and (C) polymerizing 5-30 wt. parts of a methacrylic acid ester in the presence of the two-stage polymer obtained at the steps (A) and (B) so that the total amount of the components (A), (B) and (C) is 100 wt. parts. A thermoplastic resin composition comprising this lubricant has an excellent mold release characteristics and lubricating property at the molding step, and a molded article prepared from the composition has a good gloss.

摘要翻译： 公开了一种用于热塑性树脂的润滑剂，其通过（A）聚合60-100wt。 ％的芳族乙烯基单体和0-40wt。 可与其共聚的其它乙烯基单体的％可以形成聚合物，（B）聚合30-70wt。 部分单体或单体混合物，其包含50-100wt。 ％的丙烯酸酯和0-50wt。 ％的其它乙烯基单体或可与其共聚的单体在10-60wt。 所述聚合物的部分，使得当所述单体或单体混合物单独聚合时，所得聚合物的比浓粘度低于1.0，得到聚合物，（C）聚合5-30wt。 （A）和（B）得到的两级聚合物存在下的甲基丙烯酸酯部分，使成分（A），（B）和（C）的总量为100重量份。 部分。 包含该润滑剂的热塑性树脂组合物在成型步骤中具有优异的脱模特性和润滑性，并且由该组合物制备的模塑制品具有良好的光泽度。

公开(公告)号：US20100160290A1

公开(公告)日：2010-06-24

申请号：US12597470

申请日：2008-04-23

申请人： Naotake Kobayashi ,  Kazuo Ueda ,  Naohiro Itoh ,  Shinji Suzuki ,  Gaku Sakaguchi ,  Akira Kato ,  Akira Yukimasa ,  Akihiro Hori ,  Yuuji Kooriyama ,  Hidekazu Haraguchi ,  Ken Yasui ,  Yasuhiko Kanda

发明人： Naotake Kobayashi ,  Kazuo Ueda ,  Naohiro Itoh ,  Shinji Suzuki ,  Gaku Sakaguchi ,  Akira Kato ,  Akira Yukimasa ,  Akihiro Hori ,  Yuuji Kooriyama ,  Hidekazu Haraguchi ,  Ken Yasui ,  Yasuhiko Kanda

IPC分类号： A61K31/554 ,  C07D417/02 ,  A61K31/541 ,  C07D279/06 ,  C07D277/18 ,  A61K31/426 ,  C07D239/02 ,  A61K31/506 ,  C07D281/02 ,  A61P25/28

CPC分类号： C07D471/04 ,  A61K9/0019 ,  A61K9/1623 ,  A61K9/2018 ,  A61K31/426 ,  A61K31/506 ,  A61K31/535 ,  A61K31/54 ,  A61K31/541 ,  A61K31/554 ,  C07D239/14 ,  C07D265/08 ,  C07D277/18 ,  C07D279/06 ,  C07D281/02 ,  C07D285/36 ,  C07D295/155 ,  C07D295/192 ,  C07D405/04 ,  C07D417/04 ,  C07D417/10 ,  C07D417/12 ,  A61K2300/00

摘要： A pharmaceutical composition for treating Alzheimer's disease containing a compound represented by the general formula (I); wherein ring A is an optionally substituted carbocyclic group or an optionally substituted heterocyclic group; E is lower alkylene, etc.; X is S, O, or NR1; R1 is a hydrogen atom or lower alkyl; R2a, R2b, R3a, R3b, R4a and R4b are each independently a hydrogen atom, halogen, hydroxy, etc.; n and m are each independently an integer of 0 to 3; n+m is an integer of 1 to 3; and R5 is a hydrogen atom, optionally substituted lower alkyl, etc.; its pharmaceutically acceptable salt, or a solvate thereof as an active ingredient.

摘要翻译： 一种用于治疗含有由通式（I）表示的化合物的阿尔茨海默病的药物组合物; 其中环A是任选取代的碳环基团或任选取代的杂环基团; E为低级亚烷基等; X是S，O或NR1; R1是氢原子或低级烷基; R2a，R2b，R3a，R3b，R4a和R4b各自独立地为氢原子，卤素，羟基等; n和m各自独立地为0〜3的整数， n + m为1〜3的整数， R5为氢原子，任意取代的低级烷基等; 其药学上可接受的盐或其溶剂合物作为活性成分。

公开(公告)号：US06800630B2

公开(公告)日：2004-10-05

申请号：US10169993

申请日：2002-07-12

申请人： Hidekazu Tanaka ,  Kazuo Ueda ,  Shinji Suzuki ,  Hideyuki Takenaka

发明人： Hidekazu Tanaka ,  Kazuo Ueda ,  Shinji Suzuki ,  Hideyuki Takenaka

IPC分类号： C07D23942

CPC分类号： C07D413/12

摘要： A compound represented by the formula (I) wherein, for example, R1, R2, R3, and R4 are each independently hydrogen atom, alkyl, and the like, R5 and R6 are each independently hydrogen atom, alkyl, and the like, RB and RC are each independently hydrogen atom, alkyl, and the like, X is —O—, —S—, and the like, Y is 5-membered heteroaryl-diyl and the like, Z is optionally substituted aryl and the like, their pharmaceutically acceptable salts, or their solvates.

摘要翻译： 由式（I）表示的化合物，其中例如R 1，R 2，R 3和R 4各自独立地为氢原子，烷基等，R 5， 和R 6各自独立地为氢原子，烷基等，R B和R C各自独立地为氢原子，烷基等，X为-O-，-S-，且 Y为5元杂芳基 - 二基等，Z为任选取代的芳基等，其药学上可接受的盐或其溶剂合物。

公开(公告)号：US06268312B1

公开(公告)日：2001-07-31

申请号：US09370255

申请日：1999-08-09

申请人： Akira Takase ,  Hiroyuki Kai ,  Kuniyoshi Nishida ,  Tsuneo Iwakawa ,  Kazuo Ueda ,  Michio Masuko

发明人： Akira Takase ,  Hiroyuki Kai ,  Kuniyoshi Nishida ,  Tsuneo Iwakawa ,  Kazuo Ueda ,  Michio Masuko

IPC分类号： A01N4348

CPC分类号： C07D231/06 ,  A01N43/50 ,  C07D231/12 ,  C07D233/64 ,  C07D249/08 ,  C07D257/04 ,  C07D261/08 ,  C07D263/10 ,  C07D263/32 ,  C07D271/06 ,  C07D271/10 ,  C07D277/10 ,  C07D285/06

摘要： A compound represented by general formula (I) or a salt thereof, a process for producing the same, an intermediate for the production thereof, and a bactericide (fungicide) containing the same as the active ingredient wherein R1 represent optionally substituted aryl, optionally substituted heterocycle, mono- or di-substituted methyleneamino, optionally substituted (substituted imino)methyl, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, substituted carbonyl or substituted sulfonyl; R2 represents alkyl, alkenyl, alkynyl or cycloalkyl; R3 represents optionally substituted heterocycle; R4 represents hydrogen, alkyl, alkoxy, halogen, nitro, cyano or haloalkyl; M represents oxygen, S(O)i (i being 0, 1 or 2), NR16 (R16 being hydrogen, alkyl or acyl) or a single bond; n represents 0 or 1, provided n represent 1 when R3 represents imidazol-1-yl or 1H-1,2,4-triazol-1-yl; and the symbol˜represents the E form, Z form or a mixture thereof.

摘要翻译： 由通式（I）表示的化合物或其盐，其制备方法，其制备中间体和含有该活性成分的杀菌剂（杀真菌剂），其中R 1表示任选取代的芳基，任选取代的 取代的亚氨基甲基，任选取代的烷基，任选取代的烯基，任选取代的炔基，取代的羰基或取代的磺酰基; R2代表烷基，烯基，炔基或环烷基; R3表示任选取代的杂环; R4代表氢，烷基，烷氧基，卤素，硝基，氰基或卤代烷基; M表示氧，S（O）i（i为0,1或2），NR 16（R 16为氢，烷基或酰基）或单键; 当R 3表示咪唑-1-基或1H-1,2,4-三唑-1-基时，n表示0或1，条件是n表示1。 符号〜表示E形式，Z形式或其混合物。

公开(公告)号：US4425895A

公开(公告)日：1984-01-17

申请号：US294823

申请日：1981-08-21

申请人： Shuzo Yoshida ,  Hironobu Ono ,  Masashi Matsuo ,  Kouich Hoshi ,  Motoharu Sueishi ,  Kazuo Ueda

发明人： Shuzo Yoshida ,  Hironobu Ono ,  Masashi Matsuo ,  Kouich Hoshi ,  Motoharu Sueishi ,  Kazuo Ueda

IPC分类号： F02D41/34 ,  F02D41/14 ,  F02D5/00

CPC分类号： F02D41/1481

摘要： An air-fuel ratio feedback control system for the internal combustion engine produces a fuel supply control signal by delaying a rich or lean signal obtained by comparing the oxygen concentration in the exhaust gas with a reference value. The turning on of an idle switch operatively connected with the engine throttle valve, a predetermined time after the turning off of the idle switch and the engine speed included in a predetermined region are detected in order to delay the rich or lean signal to rich or lean side by an optimum delay time as selected according to the engine operating conditions, thus feedback controlling the amount of fuel supply.

摘要翻译： 用于内燃机的空燃比反馈控制系统通过将通过将排气中的氧浓度进行比较而获得的丰富或贫乏信号与参考值相比较来产生燃料供给控制信号。 检测到与发动机节流阀可操作地连接的怠速开关的接通，在空转开关关闭之后的预定时间和包括在预定区域中的发动机速度，以将富或贫信号延迟到浓或稀 根据发动机工作条件选择最佳延迟时间，从而反馈控制燃料供应量。