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公开(公告)号：US10550804B2
公开(公告)日：2020-02-04
申请号：US16178876
申请日：2018-11-02
IPC分类号： F02M35/10 , F02M26/19 , F02M26/41 , F02M35/104 , F02M25/06 , F02M35/108 , F02M35/112
摘要： An air intake apparatus of a multi-cylinder engine includes an intake air inlet passage, an intake air distribution portion, a plurality of independent intake air passages, and a secondary gas inlet passage. The intake air inlet passage has one end portion attached to a throttle valve, and the other end connected to an intake air distribution portion. The intake air distribution portion has a space therein. The secondary gas inlet passage is connected at a part spaced apart, in the intake air inlet passage, from the throttle valve. The intake air distribution portion has a reflux passage which is a passage that connects the space and a part between the one end portion and the other end in the intake air inlet passage. The reflux passage is a passage which refluxes fresh air and secondary gas introduced from the intake air inlet passage to the intake air inlet passage.
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公开(公告)号：US20200049110A1
公开(公告)日：2020-02-13
申请号：US16492514
申请日：2018-02-20
发明人： Jiro Kato , Mitsunori Wasada , Masayoshi Higashio , Kensuke Ashikaga , Kazuhiro Nakamura , Yuji Kojima , Hidesaku Ebesu , Tatsuya Koga , Toshihiko Hirata
IPC分类号： F02M35/108 , F02D13/02 , F02M35/10 , F02M35/112 , F02B75/20 , F02B31/08 , F02B39/16
摘要： Intake ports include a second port configured such that a flow rate of flowing gas is adjusted via a swirl control valve. When a surge tank is viewed in a cylinder axis direction, first and second branched passages are connected with a space being interposed therebetween in a cylinder array direction, and are connected to the surge tank on extension lines, each of which extends from an upstream end portion of an independent passage connected to the second port to an opposite side of each cylinder.
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3.发明申请公开(公告)号：US20190136805A1
公开(公告)日：2019-05-09
申请号：US16178876
申请日：2018-11-02
IPC分类号： F02M35/10 , F02M35/108 , F02M26/19
CPC分类号： F02M35/10222 , F02M25/06 , F02M26/19 , F02M26/41 , F02M35/10026 , F02M35/10039 , F02M35/10045 , F02M35/10085 , F02M35/10255 , F02M35/104 , F02M35/108 , F02M35/112
摘要： An air intake apparatus of a multi-cylinder engine includes an intake air inlet passage, an intake air distribution portion, a plurality of independent intake air passages, and a secondary gas inlet passage. The intake air inlet passage has one end portion attached to a throttle valve, and the other end connected to an intake air distribution portion. The intake air distribution portion has a space therein. The secondary gas inlet passage is connected at a part spaced apart, in the intake air inlet passage, from the throttle valve. The intake air distribution portion has a reflux passage which is a passage that connects the space and a part between the one end portion and the other end in the intake air inlet passage. The reflux passage is a passage which refluxes fresh air and secondary gas introduced from the intake air inlet passage to the intake air inlet passage.
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公开(公告)号：US11280301B2
公开(公告)日：2022-03-22
申请号：US17093320
申请日：2020-11-09
发明人： Yoshihiro Hamazume , Takashi Yoshikawa , Jiro Kato , Taketoshi Yamauchi , Hirofumi Shinohara , Kazuhiro Nakamura , Yoko Inami , Shouichi Aiga , Tomoaki Fujiyama , Kosuke Miyamoto , Takuya Yamada
摘要： An intake device of an engine comprises an intercooler, an intake passage including a downstream-side intake passage, and an EGR passage recirculating exhaust gas to the downstream-side intake passage. An intake-air supply opening having an opening area smaller than an area of a downstream-side face of an intercooler core is provided at a downstream side wall of a chamber. The downstream-side intake passage includes an extension passage portion extending upwardly along the downstream side wall. The intake-air supply opening includes an upper edge portion which separates the intake air flowing from an inside wall face of the extension passage portion and forms flowing main streams of the intake air inside the extension passage portion. EGR introduction ports are arranged at positions capable of supplying the EGR gas toward the flowing main streams.
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