JPWO2021200021A5 - - Google Patents

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JPWO2021200021A5
JPWO2021200021A5 JP2022511761A JP2022511761A JPWO2021200021A5 JP WO2021200021 A5 JPWO2021200021 A5 JP WO2021200021A5 JP 2022511761 A JP2022511761 A JP 2022511761A JP 2022511761 A JP2022511761 A JP 2022511761A JP WO2021200021 A5 JPWO2021200021 A5 JP WO2021200021A5
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Prior art keywords
connecting pipe
intake air
upstream guide
purification device
guide surface
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JP2022511761A
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JPWO2021200021A1 (en
JP7266146B2 (en
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Priority claimed from PCT/JP2021/009917 external-priority patent/WO2021200021A1/en
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Claims (11)

エアクリーナーエレメント（２３７，４３７）によって内部がダーティーサイド（２４７Ｄ，４４７Ｄ）とクリーンサイド（２４７Ｃ，４４７Ｃ）とに区画されるエアクリーナーボックス（２３５，４３５）と、前記クリーンサイド（２４７Ｃ，４４７Ｃ）からエンジン（２１１，４１１）側に向けて流れる吸気が通る接続管（２３９，４３９）とを備える吸気浄化装置において、
前記クリーンサイド（２４７Ｃ，４４７Ｃ）内には、吸気を前記接続管（２３９，４３９）の上流側端部（２３９ａ，４３９ａ）の接続管入口（２３９ｃ，４３９ｃ）にガイドする接続管上流側ガイド部材（２７０，４７０）が設けられ、
前記接続管上流側ガイド部材（２７０，４７０）は、凹曲面状の接続管上流側ガイド面（２７１，４７１）と、前記接続管上流側ガイド面（２７１，４７１）の凹曲面における開口部であるガイド開口部（２７０ａ，４７０ａ）とを備え、
前記ガイド開口部（２７０ａ，４７０ａ）は、前記接続管入口（２３９ｃ，４３９ｃ）よりも大きく、
前記上流側端部（２３９ａ，４３９ａ）は、前記ガイド開口部（２７０ａ，４７０ａ）に対し、前記接続管上流側ガイド面（２７１，４７１）の前記凹曲面の内側に配置されることを特徴とする吸気浄化装置。From an air cleaner box (235, 435) whose interior is partitioned into a dirty side (247D, 447D) and a clean side (247C, 447C) by an air cleaner element (237, 437), and the clean side (247C, 447C) and a connection pipe (239, 439) through which intake air flows toward the engine (211, 411),
In the clean side (247C, 447C), a connection pipe upstream guide member for guiding intake air to the connection pipe inlet (239c, 439c) of the upstream end (239a, 439a) of the connection pipe (239, 439) (270, 470) is provided,
The connecting pipe upstream guide member (270, 470) comprises a connecting pipe upstream guide surface (271, 471) having a concave curved surface and an opening in the concave curved surface of the connecting pipe upstream guide surface (271, 471). a guide opening (270a, 470a);
The guide openings (270a, 470a) are larger than the connecting pipe inlets (239c, 439c),
The upstream end (239a, 439a) is arranged inside the concave surface of the connection pipe upstream guide surface (271, 471) with respect to the guide opening (270a, 470a). Intake air purification device. 前記接続管上流側ガイド面（２７１）は、前記エアクリーナーエレメント（２３７）における吸気の出口であるエレメント出口面（２３７ｂ）に対し反対側に凹む凹形状の曲面であることを特徴とする請求項１記載の吸気浄化装置。 The connection pipe upstream guide surface (271) is a concave curved surface that is recessed on the opposite side to an element outlet surface (237b), which is an outlet of intake air in the air cleaner element (237). 1. The intake air purification device according to 1. 前記接続管上流側ガイド面（２７１）の接線において前記エレメント出口面（２３７ｂ）側の端部（２７０ｃ）に位置する接線（２７０ｄ）の少なくとも一部は、前記エレメント出口面（２３７ｂ）に指向することを特徴とする請求項２記載の吸気浄化装置。 At least part of a tangent line (270d) located at the end (270c) on the element outlet surface (237b) side of the connecting pipe upstream guide surface (271) is oriented toward the element outlet surface (237b). 3. The intake air purification system according to claim 2, characterized in that: 前記ガイド開口部（２７０ａ）は、前記エレメント出口面（２３７ｂ）に向かって開口することを特徴とする請求項２または３記載の吸気浄化装置。 The intake air purification device according to claim 2 or 3, wherein the guide opening (270a) opens toward the element outlet surface (237b). 前記ガイド開口部（２７０ａ）は、前記エレメント出口面（２３７ｂ）に沿う向きで配置されることを特徴とする請求項２から４のいずれかに記載の吸気浄化装置。 The intake air purification device according to any one of claims 2 to 4, wherein the guide opening (270a) is arranged along the element outlet surface (237b). 前記接続管入口（２３９ｃ）の中心（２３９ｄ）と前記エレメント出口面（２３７ｂ）との間の距離（Ｌ１）に対し、前記接続管上流側ガイド面（２７１）のうち前記エレメント出口面（２３７ｂ）から最も遠い部分（２７１ａ）と前記エレメント出口面（２３７ｂ）との間の距離（Ｌ２）の方が大きいことを特徴とする請求項２から５のいずれかに記載の吸気浄化装置。 With respect to the distance (L1) between the center (239d) of the connecting pipe inlet (239c) and the element outlet surface (237b), the element outlet surface (237b) of the connecting pipe upstream guide surface (271) 6. An intake air purifier according to any one of claims 2 to 5, wherein the distance (L2) between the portion (271a) farthest from the element outlet surface (237b) is greater. 前記接続管（２３９）の前記上流側端部（２３９ａ）を軸方向に見た場合に、前記接続管上流側ガイド面（２７１）は、前記接続管（２３９）の前記上流側端部（２３９ａ）の内周よりも大径であるともに、前記接続管上流側ガイド面（２７１）は、前記接続管（２３９）を周囲から囲むことを特徴とする請求項１から６のいずれかに記載の吸気浄化装置。 When the upstream end (239a) of the connecting pipe (239) is viewed in the axial direction, the connecting pipe upstream guide surface (271) is aligned with the upstream end (239a) of the connecting pipe (239). ), and the connecting pipe upstream guide surface (271) surrounds the connecting pipe (239). Intake purification device. 前記接続管（２３９）の軸方向に見た場合に、前記接続管上流側ガイド面（２７１）の少なくとも一部は、前記接続管入口（２３９ｃ）に重なることを特徴とする請求項１から７のいずれかに記載の吸気浄化装置。 8. At least part of the connecting pipe upstream guide surface (271) overlaps the connecting pipe inlet (239c) when viewed in the axial direction of the connecting pipe (239). The intake air purification device according to any one of 1. 前記接続管上流側ガイド面（２７１）の少なくとも一部は、前記接続管（２３９）の軸方向において、前記上流側端部（２３９ａ）に外周側から重なることを特徴とする請求項１から８のいずれかに記載の吸気浄化装置。 8. At least part of the connecting pipe upstream guide surface (271) overlaps the upstream end (239a) from the outer peripheral side in the axial direction of the connecting pipe (239). The intake air purification device according to any one of 1. 接続管上流側ガイド部材（２７０）は、板状であることを特徴とする請求項１から９のいずれかに記載の吸気浄化装置。 The intake air purification device according to any one of claims 1 to 9, wherein the connecting pipe upstream guide member (270) is plate-shaped. エアクリーナーエレメント（２３７，４３７）によって内部がダーティーサイド（２４７Ｄ，４４７Ｄ）とクリーンサイド（２４７Ｃ，４４７Ｃ）とに区画されるエアクリーナーボックス（２３５，４３５）と、前記クリーンサイド（２４７Ｃ，４４７Ｃ）からエンジン（２１１，４１１）側に向けて流れる吸気が通る接続管（２３９，４３９）とを備える吸気浄化装置において、
前記クリーンサイド（２４７Ｃ，４４７Ｃ）内には、吸気を前記接続管（２３９，４３９）の上流側端部（２３９ａ，４３９ａ）の接続管入口（２３９ｃ，４３９ｃ）にガイドする接続管上流側ガイド部材（２７０，４７０）が設けられ、
前記接続管上流側ガイド部材（２７０，４７０）は、凹曲面状の接続管上流側ガイド面（２７１，４７１）と、前記接続管上流側ガイド面（２７１，４７１）の凹曲面における開口部であるガイド開口部（２７０ａ，４７０ａ）とを備え、
前記ガイド開口部（２７０ａ，４７０ａ）は、前記接続管入口（２３９ｃ，４３９ｃ）よりも大きく、
前記接続管（２３９，４３９）の前記上流側端部（２３９ａ，４３９ａ）を軸方向に見た場合に、前記接続管上流側ガイド面（２７１，４７１）は、前記接続管（２３９，４３９）の前記上流側端部（２３９ａ，４３９ａ）の内周よりも大径であるともに、前記接続管上流側ガイド面（２７１，４７１）は、前記接続管（２３９，４３９）を周囲から囲むことを特徴とする吸気浄化装置。From an air cleaner box (235, 435) whose interior is partitioned into a dirty side (247D, 447D) and a clean side (247C, 447C) by an air cleaner element (237, 437), and the clean side (247C, 447C) and a connection pipe (239, 439) through which intake air flows toward the engine (211, 411),
In the clean side (247C, 447C), a connection pipe upstream guide member for guiding intake air to the connection pipe inlet (239c, 439c) of the upstream end (239a, 439a) of the connection pipe (239, 439) (270, 470) is provided,
The connecting pipe upstream guide member (270, 470) comprises a connecting pipe upstream guide surface (271, 471) having a concave curved surface and an opening in the concave curved surface of the connecting pipe upstream guide surface (271, 471). a guide opening (270a, 470a);
The guide openings (270a, 470a) are larger than the connecting pipe inlets (239c, 439c),
When the upstream end (239a, 439a) of the connection pipe (239, 439) is viewed in the axial direction, the connection pipe upstream guide surface (271, 471) has a larger diameter than the inner circumference of the upstream end (239a, 439a) of the connecting pipe, and the connecting pipe upstream guide surface (271, 471) surrounds the connecting pipe (239, 439). An intake purification device characterized by:
JP2022511761A 2020-03-31 2021-03-11 Intake purification device Active JP7266146B2 (en)

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JP2020064279 2020-03-31
JP2020064279 2020-03-31
PCT/JP2021/009917 WO2021200021A1 (en) 2020-03-31 2021-03-11 Intake air purifying device

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JPWO2021200021A1 JPWO2021200021A1 (en) 2021-10-07
JPWO2021200021A5 true JPWO2021200021A5 (en) 2022-12-14
JP7266146B2 JP7266146B2 (en) 2023-04-27

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BR (1) BR112022019328A2 (en)
WO (1) WO2021200021A1 (en)

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JP7475385B2 (en) 2022-03-22 2024-04-26 本田技研工業株式会社 Saddle-type vehicle

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JPH07112830B2 (en) * 1986-07-03 1995-12-06 ヤマハ発動機株式会社 Intake structure of saddle riding type vehicle for running on rough terrain
JP3345994B2 (en) * 1993-11-09 2002-11-18 株式会社デンソー Engine intake system
JP2008190515A (en) * 2007-02-08 2008-08-21 Nissan Motor Co Ltd Engine air intake cleaning device
JP5498777B2 (en) * 2009-12-29 2014-05-21 川崎重工業株式会社 Air intake duct and air intake structure
JP5751533B2 (en) * 2012-08-21 2015-07-22 株式会社デンソー Intake device
WO2016143199A1 (en) * 2015-03-11 2016-09-15 本田技研工業株式会社 Air cleaner device of motorcycle
JP2017025788A (en) * 2015-07-22 2017-02-02 スズキ株式会社 Air cleaner
WO2020017119A1 (en) * 2018-07-18 2020-01-23 本田技研工業株式会社 Air cleaner device for saddled vehicle
JP7128107B2 (en) 2018-12-26 2022-08-30 オムロン株式会社 Image inspection device generation device, image inspection device, image inspection device generation program, and image inspection device generation method

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