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    Intake system for multiple-cylinder engine
    2.
    发明授权
    Intake system for multiple-cylinder engine 失效

    公开(公告)号：US4889082A

    公开(公告)日：1989-12-26

    申请号：US250413

    申请日：1988-09-28

    申请人： Mitsuo Hitomi ,  Yasuhiro Yuzuriha ,  Toshihiko Hattori ,  Akinori Yamashita

    发明人： Mitsuo Hitomi ,  Yasuhiro Yuzuriha ,  Toshihiko Hattori ,  Akinori Yamashita

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

    CPC分类号： F02B27/021 ,  F02B27/0242 ,  F02B27/0252 ,  F02B27/0273 ,  F02B27/0284 ,  F02B2075/1824 ,  F02B75/22 ,  Y02T10/146

    摘要： An intake system for a multiple-cylinder engine has first and second branch passages, a plurality of discrete intake passages for connecting the cylinders to one of the first and second branch passages, an intake air supply passage, an upstream side communicating passage for communicating the first and second branch passages with each other and with the downstream end of the intake air supply passage, and a downstream side communicating passage for communicating the downstream side ends of the first and second branch passages with each other. The firing order is set so that the cylinders connected to each of the branch passages do not fire one after another. The first and second branch passages and the upstream side and downstream side communicating passages forming a circular passage for supercharging the engine by resonance tuning effect of intake air. The downstream side communicating passage is provided with a cross-sectional area changing means for changing the effective cross-sectional area of the downstream side communicating passage according to the engine speed to increase the effective cross-sectional area of the downstream side communicating passage with increase in the engine speed.

    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：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 piping structure for multi-cylinder engine
    7.
    发明授权
    Intake piping structure for multi-cylinder engine 失效
    多缸发动机的管道结构

    公开(公告)号：US5085178A

    公开(公告)日：1992-02-04

    申请号：US677227

    申请日：1991-03-29

    申请人： Mitsuo Hitomi ,  Toshihiko Hattori

    发明人： Mitsuo Hitomi ,  Toshihiko Hattori

    IPC分类号： F02B27/00 ,  F02B27/02 ,  F02B75/18 ,  F02B75/22 ,  F02M35/10 ,  F02M35/104 ,  F02M35/116

    CPC分类号： F02M35/116 ,  F02B27/006 ,  F02B27/021 ,  F02B27/0252 ,  F02M35/10045 ,  F02M35/10131 ,  F02B2075/1824 ,  F02B2075/1848 ,  F02B2275/18 ,  F02B75/22 ,  Y02T10/146

    摘要： Plural cylinders are divided into cylinder groups consisting of the cylinders each having an equal inspiration stroke. The cylinder groups are so disposed as to allow their inspiration strokes to be apart from each other in a direction parallel to a crank axis in which a crankshaft extends. On its side surface, the cylinder head has an opening for an intake port which is communicated with an individual intake passage. Each of plural individual intake passage is extended from the respective cylinders for each cylinder group in the direction extending or elongated over the cylinder head and merged together at that location into a merged intake passage. The merged intake passage is extended toward the intermediate position between the two cylinder groups and thereafter curved, followed by extending toward the side of one side surface of the cylinder head.

    摘要翻译： 多个气缸被分成由各自具有相等吸气行程的气缸组成的气缸组。 气缸组被布置成允许它们的吸气冲程在平行于曲轴延伸的曲柄轴线的方向上彼此分开。 在其侧表面上，气缸盖具有与单个进气通道连通的进气口的开口。 多个单独进气通道中的每一个从每个气缸组的各个气缸沿着在气缸盖上延伸或伸长的方向延伸，并在该位置处合并在一起合并进气通道。 合流进气通道延伸到两个气缸组之间的中间位置，然后弯曲，随后朝向气缸盖的一个侧表面的一侧延伸。

    Internal combustion engine
    8.
    发明授权
    Internal combustion engine 失效
    内燃机

    公开(公告)号：US5201907A

    公开(公告)日：1993-04-13

    申请号：US904475

    申请日：1992-06-25

    申请人： Mitsuo Hitomi ,  Shunji Masuda ,  Toshihiko Hattori ,  Kenji Kashiyama ,  Junsou Sasaki

    发明人： Mitsuo Hitomi ,  Shunji Masuda ,  Toshihiko Hattori ,  Kenji Kashiyama ,  Junsou Sasaki

    IPC分类号： F02B19/02 ,  F02B75/02

    CPC分类号： F02B19/02 ,  F02B2075/027 ,  Y02T10/125

    摘要： The engine is provided with an auxiliary chamber having an auxiliary chamber port with an opening communicated with the combustion chamber. The auxiliary chamber port is arranged to be opened or closed with an auxiliary chamber valve. The timing of closing the auxiliary chamber valve is in between a final stage of compression stroke in which the temperature within the cylinder becomes higher and an initial stage of explosion stroke. On the other hand, the timing of opening the auxiliary chamber valve is in a middle stage of the compression stroke, thereby allowing the mixed fuel cooled in the auxiliary chamber to be replaced with a portion of the mixed fuel in the combustion chamber, thereby lowering the temperature within the cylinder.

    Intake manifold of intake system for multi-cylinder internal combustion engine
    9.
    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。