公开(公告)号：US10787943B2

公开(公告)日：2020-09-29

申请号：US16085310

申请日：2017-01-13

Applicant: HONDA MOTOR CO., LTD.

Inventor： Keisuke Kishikawa ,  Yoji Fukui ,  Kazuya Yoshio ,  Takuya Otsuka

IPC: F01N13/02 ,  F01N1/00 ,  F01N1/08 ,  F01N1/16 ,  F01N1/18 ,  F01N13/00 ,  F01N13/14 ,  F01N1/02 ,  F01N1/06 ,  F01N3/28 ,  F01N13/08 ,  B62K11/04

Abstract: An exhaust muffler includes a first muffler section connected to an exhaust pipe and a second muffler section connected to the first muffler section. Exhaust gases delivered from the exhaust pipe are discharged from the first muffler section and the second muffler section out of the exhaust muffler. The first muffler section includes a tubular member made up of an inner pipe to which the exhaust pipe is connected and an outer pipe covering the inner pipe, and a connector connecting the tubular member and the second muffler section to each other. The first muffler section has a first expansion chamber defined therein between the inner pipe and the outer pipe. The inner pipe houses therein a valve for changing an amount of exhaust gases passing through the inner pipe. The first muffler section includes a curved portion that is curved vertically as viewed in side elevation of the vehicle. The exhaust muffler has a second expansion chamber defined in the second muffler section rearward and upward of the first muffler section, the second expansion chamber having a cross-sectional area larger than a cross-sectional area of the first expansion chamber. There is thus provided an exhaust device for an internal combustion engine, which includes a muffler compact in a longitudinal direction thereof.

公开(公告)号：US11248504B2

公开(公告)日：2022-02-15

申请号：US16085280

申请日：2017-01-13

Applicant: HONDA MOTOR CO., LTD.

Inventor： Keisuke Kishikawa ,  Yoji Fukui ,  Kazuya Yoshio ,  Takuya Otsuka

IPC: F01N1/08 ,  F01N1/16 ,  F01N13/02 ,  F01N1/06 ,  F01N1/00 ,  F01N1/18 ,  F01N13/00 ,  F01N13/14 ,  F01N1/02 ,  F01N3/28 ,  F01N13/08 ,  B62K11/04

Abstract: An exhaust muffler includes a first muffler section having a tubular member made up of an inner pipe to which an exhaust pipe is connected and an outer pipe covering the inner pipe, and a connector connecting the tubular member and a second muffler section to each other, and the second muffler section having an outer shell, a first partition wall, a second partition wall, and a third partition wall. Exhaust gases delivered from the exhaust pipe are discharged from the first muffler section and the second muffler section out of the exhaust muffler. The second muffler section has a cross-sectional area larger than a cross-sectional area of the tubular member. The exhaust muffler includes a first expansion chamber, a second expansion chamber, and a third expansion chamber. The second muffler section includes a fluid communication pipe extending through the first partition wall and the second partition wall for leading exhaust gases from the first expansion chamber into the second expansion chamber, and an exhaust passage pipe held in fluid communication with the third expansion chamber and extending through the second partition and the third partition wall. The second partition wall has a fluid communication hole defined therein that provides fluid communication between the second expansion chamber and the third expansion chamber. There is thus provided an engine exhaust device capable of increasing a silencing capability by increasing the length of a route through which the exhaust gases flow while maintaining the length of the exhaust device.

公开(公告)号：US09579971B2

公开(公告)日：2017-02-28

申请号：US14452830

申请日：2014-08-06

Applicant: HONDA MOTOR CO., LTD.

Inventor： Takuma Koishikawa ,  Takeshi Uemae ,  Takashi Toriki ,  Yoji Fukui ,  Takumi Sakamoto ,  Takeshi Shimura ,  Shinji Kobayashi ,  Satoshi Okayama

IPC: B60K15/04 ,  B65D51/16 ,  B62J35/00

CPC classification number: B60K15/0406 ,  B62J35/00 ,  B65D51/1638 ,  B65D51/1644

Abstract: In a fuel cap provided with a breather mechanism, a cap openably and closably covers a fuel filler of a fuel tank. The cap includes a breather passage for communication between the inside and the outside of the fuel tank. The breather passage is provided with a breather valve mechanism and a resonator chamber as a silencing mechanism. The breather mechanism is a valve having a spring capable of retaining a pressure within the fuel tank up to a predetermined pressure.

Abstract translation: 在设置有通气机构的燃料盖中，盖可开启并且可关闭地覆盖燃料箱的燃料填充物。 该盖包括用于在燃料箱的内部和外部之间连通的通气通道。 通气通道具有通气阀机构和作为消音机构的谐振腔。 通气机构是具有能够将燃料箱内的压力保持在预定压力下的弹簧的阀。

公开(公告)号：US11236652B2

公开(公告)日：2022-02-01

申请号：US16085264

申请日：2017-01-13

Applicant: HONDA MOTOR CO., LTD.

Inventor： Keisuke Kishikawa ,  Yoji Fukui ,  Kazuya Yoshio ,  Takuya Otsuka

IPC: F01N1/16 ,  F01N1/06 ,  F01N1/00 ,  F01N1/08 ,  F01N13/02 ,  F01N1/18 ,  F01N13/00 ,  F01N13/14 ,  F01N1/02 ,  F01N3/28 ,  F01N13/08 ,  B62K11/04

Abstract: An exhaust muffler is made up of a plurality of layers including an exhaust passage pipe and expansion chambers, and includes a front assembly and a rear assembly sub-assembled separately from the front assembly. The front assembly includes a front exhaust passage pipe, a front muffler body disposed in covering relation to the outside of the front exhaust passage pipe and cooperating with the front exhaust passage pipe in making up double-walled pipes, and an exhaust valve disposed in the front exhaust passage pipe. The rear assembly includes a rear exhaust passage pipe and a rear muffler body disposed in covering relation to the outside of the rear exhaust passage pipe and cooperating with the rear exhaust passage pipe in making up double-walled pipes. There is thus provided an exhaust device for an internal combustion engine in which the accuracy of a position where the exhaust valve is installed is high.

公开(公告)号：US10233879B2

公开(公告)日：2019-03-19

申请号：US15459238

申请日：2017-03-15

Applicant: HONDA MOTOR CO., LTD.

Inventor： Takeji Kawazumi ,  Fuyuki Hosokawa ,  Yoji Fukui

IPC: F02M35/12 ,  G10K11/04

Abstract: In a structure for mounting resonators to a duct, the duct including openings is provided with a plurality of duct-side mounting pieces, and the resonators formed separately from the duct and including communication ports coupled to the openings are provided with a plurality of resonator-side mounting pieces that are mounted to the duct-side mounting pieces. Coupling portions of the duct and the resonators are configured to ensure turning the resonators when the resonators are mounted to the duct. On the plurality of duct-side mounting pieces disposed with intervals in a peripheral direction of the coupling portions, mounting surfaces are formed to be opposed to turning directions of the resonators when mounting the resonators to the duct, the resonator-side mounting pieces being abutted against and mounted to the mounting surfaces. Accordingly, it is possible to turn the resonators when mounting them to the duct and improve attachment work.