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    Intake system for multiple-cylinder engine
    2.
    发明授权
    Intake system for multiple-cylinder engine 失效
    多缸发动机进气系统

    公开(公告)号：US5074258A

    公开(公告)日：1991-12-24

    申请号：US577005

    申请日：1990-09-04

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara ,  Mikihito Fujii

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara ,  Mikihito Fujii

    IPC分类号： F02B27/00 ,  F02M35/10 ,  F02M35/104

    CPC分类号： F02M35/10059 ,  F02B27/006 ,  F02M35/10052 ,  F02M35/10072 ,  F02M35/10131 ,  F02M35/112 ,  Y02T10/146

    摘要： An intake system for a multiple-cylinder engine has a plurality of discrete intake passages which are substantially equal to each other in length and are connected to the respective cylinders at their downstream ends. The upstream ends of the discrete intake passages are merged into an integrated chamber, and an upstream side intake passage communicates the integrated chamber with the atmosphere. The integrated chamber has an upstream side end face and a downstream side end face, and the cross-sectional area of the integrated chamber increases from the upstream side end face to the downstream side end face, the upstream side intake passage having opening into the integrated portion in the upstream side end face, and the discrete intake passages respectively having openings into the integrated chamber in the downstream side end face. The area of the upstream side and downstream side end faces of the integrated chamber S.sub.0 S.sub.1, the sum of the areas of the openings of the discrete intake passages into the integrated chamber S.sub.N and the distance H between the upstream side and downstream side end faces of the integrated chamber satisfy the following formulae ##EQU1##

    Intake system for multi-cylinder engine
    3.
    发明授权
    Intake system for multi-cylinder engine 失效
    多缸发动机进气系统

    公开(公告)号：US5161492A

    公开(公告)日：1992-11-10

    申请号：US624214

    申请日：1990-12-10

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara ,  Mikihito Fujii

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara ,  Mikihito Fujii

    IPC分类号： F02B27/00

    CPC分类号： F02B27/006 ,  F02B27/008 ,  Y02T10/146

    摘要： An intake system for a vehicle for delivering intake air through separate or discrete intake passages of the intake system into engine cylinders through discrete intake passages. A collector chamber and a resonator chamber connect with an upstream main intake passage and the discrete intake passages. The collector chamber communicates at one end with upstream ends of the discrete intake passages and at its another end, opposite to the one end, with the resonator chamber. The discrete intake passages are clustered or grouped together at their upstream ends and connected as a cluster to the collector chamber.

    摘要翻译： 一种用于车辆的进气系统，其通过离散的进气通道将进入的空气通过进气系统的分离的或离散的进气通道输送到发动机气缸。 收集器室和谐振器室与上游主进气通道和离散的进气通道连接。 收集器室的一端与离散的进气通道的上游端连通，并且在另一端与谐振器腔室相通。 离散的进气通道在其上游端聚集或分组在一起并且以簇连接到收集器室。

    Intake manifold of intake system for multi-cylinder internal combustion engine
    4.
    发明授权
    Intake manifold of intake system for multi-cylinder internal combustion engine 失效
    多缸内燃机进气系统进气歧管

    公开(公告)号：US5146897A

    公开(公告)日：1992-09-15

    申请号：US759433

    申请日：1991-09-13

    申请人： Toshihiko Hattori ,  Mitsuo Hitomi ,  Toshimitsu Tanaka ,  Naoyuki Yamagata

    发明人： Toshihiko Hattori ,  Mitsuo Hitomi ,  Toshimitsu Tanaka ,  Naoyuki Yamagata

    IPC分类号： F02M35/104 ,  F02M69/00 ,  F02M69/04

    CPC分类号： F02M69/044

    摘要： An intake manifold for a multi cylinder internal combustion engine has a common upstream passage and individual downstream passages, leading individually to cylinders of the engine, respectively. These individual downstream passages are connected between a downstream end of the common upstream passage and the cylinders. Upstream end portions of the individual downstream passages are symmetrically located around a fuel injector, disposed downstream relative to the common upstream passage, and are joined together. At a center of the symmetrically joined upstream end portions of the individual downstream passages, fuel passages are provided to open independently into the upstream end portions so as to introduce fuel from the fuel injector into the individual downstream passages.

    摘要翻译： 用于多缸内燃机的进气歧管具有共同的上游通道和各个下游通道，分别分别引导到发动机的气缸。 这些单独的下游通道连接在公共上游通道的下游端和气缸之间。 各个下游通道的上游端部对称地位于燃料喷射器周围，相对于公共上游通道设置在下游，并连接在一起。 在各个下游通道的对称连接的上游端部的中心处，设置燃料通道以独立地打开到上游端部分，以将来自燃料喷射器的燃料引入各个下游通道。

    Intake system for multi-cylinder engine
    5.
    发明授权
    Intake system for multi-cylinder engine 失效
    多缸发动机进气系统

    公开(公告)号：US5125369A

    公开(公告)日：1992-06-30

    申请号：US678462

    申请日：1991-04-01

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Masashi Marubara

    IPC分类号： F02B27/02 ,  F02B75/18 ,  F02B75/22 ,  F02M35/104 ,  F02M35/116

    CPC分类号： F02B27/021 ,  F02B27/006 ,  F02B27/0252 ,  F02B27/0273 ,  F02B27/0284 ,  F02B75/22 ,  F02B2075/1848 ,  F02B2275/18 ,  Y02T10/146

    摘要： Plural cylinders are grouped, for example, into two cylinder groups composed of plural cylinders having each inspiration stroke in an equal distance, and each of the grouped cylinder groups is communicated with a volume chamber. To this volume chamber is connected each of the independent air intake passages extending independently or separately from each of the corresponding cylinder. A first connecting portion is disposed to communicate the individual air intake passages for each of the cylinder groups with each other in a position spaced apart in an equal distance from an intake port. Further, a second connecting portion as a resonant passage is disposed to communicate one first connecting portion with the other connecting portion for each cylinder group.

    摘要翻译： 多个气缸分成两个气缸组，这两个气缸组由具有相等距离的每个吸气冲程的多个气缸构成，并且分组的气缸组与容积室连通。 连接到这个容积室中的独立进气通道独立地或与相应的气缸中的每一个分开地连接。 第一连接部分设置成使每个气缸组的各个进气通道彼此间隔开距离进气口相等距离的位置。 此外，作为共振通道的第二连接部分设置成使每个气缸组的一个第一连接部分与另一连接部分连通。

    Intake system for engine
    6.
    发明授权
    Intake system for engine 失效
    发动机进气系统

    公开(公告)号：US5133308A

    公开(公告)日：1992-07-28

    申请号：US705922

    申请日：1991-05-28

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Mikihito Fujii

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Mikihito Fujii

    IPC分类号： F02B27/00 ,  F02B27/02 ,  F02B75/18 ,  F02B75/22 ,  F02M35/104

    CPC分类号： F02B27/0284 ,  F02B27/006 ,  F02B27/008 ,  F02B27/021 ,  F02B27/0242 ,  F02B27/0252 ,  F02B2075/1824 ,  F02B75/22 ,  Y02T10/146

    摘要： An engine has a plurality of cylinders and the cylinders are divided into first and second cylinder groups so that the cylinders in each cylinder group do not fire one after another. An intake system for the engine has a plurality of discrete intake passages extending from the respective cylinders of the engine and merge into a junction chamber, a common intake passage which opens to the atmosphere at its upstream end and communicates with the junction chamber at its downstream end, a first communicating passage which is connected to the discrete intake passages for the first cylinder group at their intermediate portions and communicates them with each other, and a second communicating passage which is connected to the discrete intake passages for the second cylinder group at their intermeidate portions and communicates them with each other.

    摘要翻译： 发动机具有多个气缸，并且气缸被分成第一和第二气缸组，使得每个气缸组中的汽缸不会相继起火。 用于发动机的进气系统具有从发动机的各个气缸延伸的多个离散的进气通道，并且并入到接合室中，公共进气通道在其上游端向大气开放并在其下游与连接室连通 第一连通通道，其连接到其中间部分处的第一气缸组的离散进气通道并将它们彼此连通;第二连通通道，其连接到第二气缸组的离散进气通道，用于第二气缸组 中间部分并相互通信。

    Intake system for engine
    7.
    发明授权
    Intake system for engine 失效
    发动机进气系统

    公开(公告)号：US5080051A

    公开(公告)日：1992-01-14

    申请号：US701066

    申请日：1991-05-16

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Mikihito Fujii

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori ,  Mikihito Fujii

    IPC分类号： F02B27/02 ,  F02B75/18 ,  F02B75/22 ,  F02M35/104

    CPC分类号： F02B27/0284 ,  F02B27/021 ,  F02B27/0242 ,  F02B27/0252 ,  F02M35/10229 ,  F02B2075/1824 ,  F02B75/22 ,  Y02T10/146

    摘要： A multiple-cylinder engine has first and second groups of cylinders, the firing order being set so that the cylinders in each group do not fire one after another. An intake system for the engine has first and second groups of discrete intake passages which communicate with the respective cylinders in the first and second groups at their downstream ends and with first and second branch intake passage at their upstream ends. A circular passage communicates with the discrete intake passages at their intermediate portions so that all the discrete intake passages communicate with each other through the circular passage, and an on-off valve opens the circular passage when the engine speed is higher than a predetermined value and closes the same when the engine speed is not higher than the predetermined value. The length of each discrete intake passage is such that a first inertia tuning is obtained at a first engine speed lower than a maximum allowable engine so long as the discrete intake passages are not communicated with the circular passage, and the length of the part of each discrete intake passage downstream of the circular passage is such that a second inertia tuning is obtained at a second engine speed higher than the maximum allowable engine so long as the discrete intake passages are communicated with the circular passage.

    摘要翻译： 多缸发动机具有第一组和第二组气缸，所述点火顺序被设定为使得每组中的气缸不会一个接一个地起火。 用于发动机的进气系统具有第一组和第二组离散进气通道，其在其下游端与第一组和第二组中的相应气缸连通，并且在其上游端与第一和第二分支进气通道连通。 圆形通道在其中间部分处与离散进气通道连通，使得所有离散的进气通道通过圆形通道彼此连通，并且当发动机转速高于预定值时，开关阀打开圆形通道，并且 当发动机转速不高于预定值时关闭。 每个离散进气通道的长度使得在低于最大允许发动机的第一发动机转速下获得第一惯性调节，只要离散进气通道不与圆形通道连通，并且每个 在圆形通道下游的离散进气通道使得在高于最大允许发动机的第二发动机转速下获得第二惯性调节，只要离散进气通道与圆形通道连通即可。