JP2021038701A5 - - Google Patents

Download PDF

Info

Publication number
JP2021038701A5
JP2021038701A5 JP2019160397A JP2019160397A JP2021038701A5 JP 2021038701 A5 JP2021038701 A5 JP 2021038701A5 JP 2019160397 A JP2019160397 A JP 2019160397A JP 2019160397 A JP2019160397 A JP 2019160397A JP 2021038701 A5 JP2021038701 A5 JP 2021038701A5
Authority
JP
Japan
Prior art keywords
exhaust pipe
tapered portion
cross
exhaust passage
arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2019160397A
Other languages
Japanese (ja)
Other versions
JP2021038701A (en
JP7351148B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2019160397A priority Critical patent/JP7351148B2/en
Priority claimed from JP2019160397A external-priority patent/JP7351148B2/en
Publication of JP2021038701A publication Critical patent/JP2021038701A/en
Publication of JP2021038701A5 publication Critical patent/JP2021038701A5/ja
Application granted granted Critical
Publication of JP7351148B2 publication Critical patent/JP7351148B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (7)

排気管と、
前記排気管に内接する内接部と、
前記排気管の内面と円周方向の一部の範囲で連続して設けられ、排気管の延在方向に傾き排気管の下流側ほど断面積が小さくなるテーパ部と、を有する突出部と、を備え、
前記テーパ部の前記排気管の軸に対して垂直な断面は、円弧状の断面である、
排気通路。 an exhaust pipe;
an inscribed portion inscribed in the exhaust pipe;
a projecting portion having a tapered portion that is provided continuously with the inner surface of the exhaust pipe in a partial range in the circumferential direction and that is inclined in the extending direction of the exhaust pipe and whose cross-sectional area decreases toward the downstream side of the exhaust pipe; with
A cross section of the tapered portion perpendicular to the axis of the exhaust pipe is an arc-shaped cross section,
exhaust passage. 前記突出部の下流側にセンサが設けられている、請求項１に記載の排気通路。 2. The exhaust passage according to claim 1, wherein a sensor is provided downstream of said protrusion. 前記円弧状の断面と、当該円弧の端点と排気管の中心とを結んだ線により構成される扇形の面積を、テーパ部の断面積としたときに、 When the cross-sectional area of the tapered portion is the area of the sector formed by the arc-shaped cross section and the line connecting the end point of the arc and the center of the exhaust pipe,
当該テーパ部の断面積が、排気管の断面積の５０％以下である、請求項１又は２に記載の排気通路。 3. The exhaust passage according to claim 1, wherein the cross-sectional area of said tapered portion is 50% or less of the cross-sectional area of said exhaust pipe. 前記円弧状の断面と、当該円弧の端点と排気管の中心とを結んだ線により構成される扇形の中心角θが、９０～１８０度である、請求項１～３のいずれか一項に記載の排気通路。 The sector according to any one of claims 1 to 3, wherein the central angle θ of the sector formed by the arc-shaped cross section and the line connecting the end point of the arc and the center of the exhaust pipe is 90 to 180 degrees. Exhaust passage as described. 前記テーパ部の形状が直線型である、請求項１～４のいずれか一項に記載の排気通路。 The exhaust passage according to any one of claims 1 to 4, wherein the tapered portion has a linear shape. 前記テーパ部の形状が曲線型である、請求項１～４のいずれか一項に記載の排気通路。 The exhaust passage according to any one of claims 1 to 4, wherein the tapered portion has a curved shape. 前記テーパ部の形状が台形状である、請求項１～４のいずれか一項に記載の排気通路。 The exhaust passage according to any one of claims 1 to 4, wherein the tapered portion has a trapezoidal shape.
JP2019160397A 2019-09-03 2019-09-03 exhaust passage Active JP7351148B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019160397A JP7351148B2 (en) 2019-09-03 2019-09-03 exhaust passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019160397A JP7351148B2 (en) 2019-09-03 2019-09-03 exhaust passage

Publications (3)

Publication Number Publication Date
JP2021038701A JP2021038701A (en) 2021-03-11
JP2021038701A5 true JP2021038701A5 (en) 2022-10-05
JP7351148B2 JP7351148B2 (en) 2023-09-27

Family

ID=74848392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019160397A Active JP7351148B2 (en) 2019-09-03 2019-09-03 exhaust passage

Country Status (1)

Country Link
JP (1) JP7351148B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7472801B2 (en) 2021-01-19 2024-04-23 トヨタ自動車株式会社 Exhaust passage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938840A1 (en) 1999-08-17 2001-03-15 Emitec Emissionstechnologie Mixing element for a fluid guided in a pipe
JP2006144576A (en) 2004-11-16 2006-06-08 Denso Corp Nitrogen oxide cleaning device
JP2006307718A (en) 2005-04-27 2006-11-09 Calsonic Kansei Corp Drainage structure of muffler
US8677738B2 (en) 2011-09-08 2014-03-25 Tenneco Automotive Operating Company Inc. Pre-injection exhaust flow modifier
JP6067494B2 (en) 2013-06-27 2017-01-25 株式会社日本自動車部品総合研究所 Exhaust gas purification device for internal combustion engine
JP2018087504A (en) 2016-11-28 2018-06-07 トヨタ自動車株式会社 Muffler

Similar Documents

Publication Publication Date Title
JP2018506464A5 (en)
RU2018145781A (en) VALVE LOCKING ELEMENTS WITH CURVED DRAINS
JP2015105821A5 (en)
JP2021038701A5 (en)
JP2019180864A5 (en)
JP2015090229A5 (en)
JP2008509367A5 (en)
JP2008512623A5 (en)
JP2021184394A5 (en)
RU2016118212A (en) PIPE JOINT SYSTEM FOR CONNECTING TWO ENDS OF PIPES, IN PARTICULAR TWO ENDS OF PIPES LOCATED IN THE EXHAUST EXHAUST OF THE INTERNAL COMBUSTION ENGINE
FI125207B (en) Method of forming collar and flange connection
WO2017084465A1 (en) Flow guide gain structure for blades of centrifugal heat dissipation fan
JP2007277846A5 (en)
JP2019065830A5 (en)
JP2012527970A5 (en)
TWD191346S (en) Tool
JP2020071050A5 (en)
JP2018179033A5 (en)
MX2019000055A (en) Lap-fillet arc-welded joint.
JP2016125411A (en) Exhaust pipe
JP6123953B2 (en) Intake sound reduction device
JP2019172271A5 (en) Can body and curl structure
GB201315749D0 (en) Pipe having an upstream core having a sharp curvature
JP2023168492A5 (en)
KR20120112134A (en) Directional fluid line