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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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公开(公告)号：US11236706B2
公开(公告)日：2022-02-01
申请号：US17260181
申请日：2019-06-18
发明人： Jiro Kato , Taketoshi Yamauchi , Ken Yoshida , Kenji Takami , Kazuaki Tanaka , Katsuya Rokuyama
摘要： An intake passage of an engine includes a throttle valve, a supercharger, and a bypass passage connecting an upstream side with a downstream side of the supercharger and opening when the supercharger is not acting. When the supercharger is not acting, the intake passage generates forward flows in which intake air flows from the throttle valve toward the supercharger and bypass-directed flows in which the intake air is reversed due to blockage of forward movement by the supercharger and flows from the supercharger side toward a connection port, of the bypass passage, opening in the intake passage. An evaporated fuel introduction opening leading evaporated fuel produced in a fuel tank to the intake passage opens in a wall surface, on which the bypass-directed flow is generated, in the intake passage.
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公开(公告)号：US20200370467A1
公开(公告)日：2020-11-26
申请号：US16640899
申请日：2017-08-25
发明人： Ken Yoshida , Ryotaro Nishida , Hidesaku Ebesu , Mitsunori Wasada , Mitsutaka Yamaya , Hisayuki Yamane , Yoshihiro Hamazume , Shuhei Tsujita , Hirofumi Shinohara , Eiji Takano , Tatsuya Koga , Tsukasa Hoshino , Masafumi Nakano , Kouichi Shimizu , Jiro Kato , Taketoshi Yamauchi
摘要： The present disclosure aims to improve circulation of intake air and distribution of bypass intake air to cylinders, while reducing an increase in the overall height of an engine. A supercharger extends along a cylinder bank at a side of a surge tank extending along the cylinder bank. A bypass pipe branching off from an upstream intake pipe configured to introduce the intake air into the supercharger extends along the cylinder bank above the supercharger. A downstream side intake pipe configured to guide the intake air from the supercharger to the surge tank extends downward from the supercharger. The downstream intake pipe is, in a U-shape as viewed along the cylinder bank, connected to the surge tank.
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公开(公告)号：US11378041B2
公开(公告)日：2022-07-05
申请号：US17261551
申请日：2019-06-27
发明人： Jiro Kato , Taketoshi Yamauchi , Mitsunori Wasada , Ken Yoshida , Kenji Takami , Ryo Yamamoto , Haruna Yanagida , Masayoshi Higashio , Kensuke Ashikaga
IPC分类号： F02M26/10 , F02M26/09 , F02M26/19 , F02M26/21 , F02M26/67 , F02B37/16 , F02M26/44 , F02M26/04 , F02M26/03 , F02M26/70 , F02M26/66 , F02M26/02 , F02M26/17
摘要： An exhaust gas recirculation (EGR) passage is connected with an intake passage (a bypass passage bypassing a supercharger) of an engine. The EGR passage includes, in a position close to a connection port to the intake passage, an expanding portion in which a passage cross-sectional area expands and which lowers a flow speed of EGR gas so as to reduce an uneven flow, in the connection port, of the EGR gas flowing into the intake passage.
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公开(公告)号：US20200182134A1
公开(公告)日：2020-06-11
申请号：US16640905
申请日：2017-08-25
发明人： Ken Yoshida , Ryotaro Nishida , Hidesaku Ebesu , Shuhei Tsujita , Hisayuki Yamane , Masafumi Nakano , Taketoshi Yamauchi
摘要： The present disclosure provides sufficient support rigidity of a supercharger and an intercooler, while reducing an increase in the overall height of an engine. The supercharger extends along a cylinder bank at a side of a surge tank, and is fixed to an intake manifold. The intercooler is located below the supercharger. A case of the intercooler is connected to a discharge port of the supercharger and an intake air introduction pipe of the intake manifold.
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公开(公告)号：US10982590B2
公开(公告)日：2021-04-20
申请号：US16640905
申请日：2017-08-25
发明人： Ken Yoshida , Ryotaro Nishida , Hidesaku Ebesu , Shuhei Tsujita , Hisayuki Yamane , Masafumi Nakano , Taketoshi Yamauchi
摘要： The present disclosure provides sufficient support rigidity of a supercharger and an intercooler, while reducing an increase in the overall height of an engine. The supercharger extends along a cylinder bank at a side of a surge tank, and is fixed to an intake manifold. The intercooler is located below the supercharger. A case of the intercooler is connected to a discharge port of the supercharger and an intake air introduction pipe of the intake manifold.
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公开(公告)号：US10900411B2
公开(公告)日：2021-01-26
申请号：US16640899
申请日：2017-08-25
发明人： Ken Yoshida , Ryotaro Nishida , Hidesaku Ebesu , Mitsunori Wasada , Mitsutaka Yamaya , Hisayuki Yamane , Yoshihiro Hamazume , Shuhei Tsujita , Hirofumi Shinohara , Eiji Takano , Tatsuya Koga , Tsukasa Hoshino , Masafumi Nakano , Kouichi Shimizu , Jiro Kato , Taketoshi Yamauchi
IPC分类号： F02B37/16 , F02M35/10 , F02M35/112 , F02D41/00 , F02B37/12
摘要： The present disclosure aims to improve circulation of intake air and distribution of bypass intake air to cylinders, while reducing an increase in the overall height of an engine. A supercharger extends along a cylinder bank at a side of a surge tank extending along the cylinder bank. A bypass pipe branching off from an upstream intake pipe configured to introduce the intake air into the supercharger extends along the cylinder bank above the supercharger. A downstream side intake pipe configured to guide the intake air from the supercharger to the surge tank extends downward from the supercharger. The downstream intake pipe is, in a U-shape as viewed along the cylinder bank, connected to the surge tank.
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