JP2009091947A5 - - Google Patents

Download PDF

Info

Publication number
JP2009091947A5
JP2009091947A5 JP2007262132A JP2007262132A JP2009091947A5 JP 2009091947 A5 JP2009091947 A5 JP 2009091947A5 JP 2007262132 A JP2007262132 A JP 2007262132A JP 2007262132 A JP2007262132 A JP 2007262132A JP 2009091947 A5 JP2009091947 A5 JP 2009091947A5
Authority
JP
Japan
Prior art keywords
flow path
valve
cooler
port
egr
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
JP2007262132A
Other languages
Japanese (ja)
Other versions
JP4974835B2 (en
JP2009091947A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007262132A priority Critical patent/JP4974835B2/en
Priority claimed from JP2007262132A external-priority patent/JP4974835B2/en
Publication of JP2009091947A publication Critical patent/JP2009091947A/en
Publication of JP2009091947A5 publication Critical patent/JP2009091947A5/ja
Application granted granted Critical
Publication of JP4974835B2 publication Critical patent/JP4974835B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (4)

エンジンの吸気通路と排気通路とを結ぶ排気ガス再循環通路にＥＧＲクーラが設けられた排気ガス再循環装置において、
前記吸気通路と前記排気通路とを連通させる第一流路と、前記排気通路と前記ＥＧＲクーラとを連通させる第二流路と、第一流路と第二流路とを連通させるクーラ流路とが形成されたハウジングを備えており、
前記第一流路と前記第二流路と前記クーラ流路との交差部にはバルブシャフトが架設されており、該バルブシャフトには一対の弁体部を有するバタフライバルブが固定されており、
該バタフライバルブは、前記一対の弁体部の一方が前記クーラ流路の入口を閉じている時に、他方の弁体部が前記クーラ流路の出口を閉じるように、かつ、一方の弁体部が前記第一流路と前記第二流路とを遮断している時に、他方の弁体部が前記クーラ流路を開くように、構成されている、
ことを特徴とする排気ガス再循環装置。 In an exhaust gas recirculation device in which an EGR cooler is provided in an exhaust gas recirculation passage connecting an intake passage and an exhaust passage of an engine,
A first flow passage for communicating with said exhaust passage and said intake air passage, wherein a second channel which communicates with the exhaust passage and the EGR cooler, the first channel and the second channel and the cooler passage which communicates And a housing formed with
A valve shaft is installed at the intersection of the first flow path, the second flow path, and the cooler flow path, and a butterfly valve having a pair of valve body portions is fixed to the valve shaft.
The butterfly valve is configured such that when one of the pair of valve bodies closes the inlet of the cooler flow path, the other valve body closes the outlet of the cooler flow path, and one valve body section Is configured such that when the first flow path and the second flow path are blocked, the other valve body portion opens the cooler flow path.
An exhaust gas recirculation device. 前記第一流路と前記第二流路との接続部には流路弁口が形成されており、  A flow path valve port is formed at the connection between the first flow path and the second flow path,
前記クーラ流路にはバランス口が形成されており、  A balance port is formed in the cooler flow path,
前記流路弁口の開口縁辺部には流路弁口弁座が形成されており、  A flow path valve seat is formed at the opening edge of the flow path valve opening,
前記バランス口の開口縁辺部にはバランス口弁座が形成されており、  A balance mouth valve seat is formed on the opening edge of the balance mouth,
前記バタフライバルブにおける前記一対の弁体部の一方が前記流路弁口弁座に着座している時に、前記バタフライバルブにおける前記一対の弁体部の他方が前記バランス口弁座に着座するように、構成されている、  When one of the pair of valve bodies in the butterfly valve is seated on the flow path valve port valve seat, the other of the pair of valve bodies in the butterfly valve is seated on the balance port valve seat ,It is configured,
ことを特徴とする請求項１に記載の排気ガス再循環装置。  The exhaust gas recirculation device according to claim 1. 前記ハウジングには、ＥＧＲガスが流入する流入口と、ＥＧＲガスまたはＥＧＲクーラガスが流出する流出口と、ＥＧＲガスを前記ＥＧＲクーラへ導入する導入口と、前記ＥＧＲクーラを通過したＥＧＲクーラガスを排出する導出口と、が形成されており、  The housing discharges the EGR cooler gas that has passed through the EGR cooler, the inlet through which the EGR gas flows in, the outlet through which the EGR gas or EGR cooler gas flows out, the inlet for introducing the EGR gas into the EGR cooler, and the EGR cooler. A lead-out port is formed,
前記流入口と前記流出口とは互いに対向されており、前記導入口と前記導出口とは隣り合わせに配置されている、  The inflow port and the outflow port are opposed to each other, and the introduction port and the outflow port are disposed adjacent to each other,
ことを特徴とする請求項１または２に記載の排気ガス再循環装置。  The exhaust gas recirculation device according to claim 1 or 2, characterized in that 前記ハウジングには、ＥＧＲガスが流入する流入口と、ＥＧＲガスが流出する流出口と、ＥＧＲガスを前記ＥＧＲクーラへ導入する導入口と、が形成されており、  The housing is formed with an inlet through which EGR gas flows in, an outlet through which EGR gas flows out, and an inlet through which EGR gas is introduced into the EGR cooler,
前記流入口と前記流出口とは互いに直角に位置されており、前記導入口と前記導出口とは隣り合わせに配置されている、  The inflow port and the outflow port are positioned at right angles to each other, and the introduction port and the outflow port are arranged next to each other,
ことを特徴とする請求項１または２に記載の排気ガス再循環装置。  The exhaust gas recirculation device according to claim 1 or 2, characterized in that
JP2007262132A 2007-10-05 2007-10-05 Exhaust gas recirculation device Active JP4974835B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007262132A JP4974835B2 (en) 2007-10-05 2007-10-05 Exhaust gas recirculation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007262132A JP4974835B2 (en) 2007-10-05 2007-10-05 Exhaust gas recirculation device

Publications (3)

Publication Number Publication Date
JP2009091947A JP2009091947A (en) 2009-04-30
JP2009091947A5 true JP2009091947A5 (en) 2010-11-18
JP4974835B2 JP4974835B2 (en) 2012-07-11

Family

ID=40664183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007262132A Active JP4974835B2 (en) 2007-10-05 2007-10-05 Exhaust gas recirculation device

Country Status (1)

Country Link
JP (1) JP4974835B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9664087B2 (en) 2010-07-22 2017-05-30 Wescast Industries, Inc. Exhaust heat recovery system with bypass
JP2012132337A (en) * 2010-12-20 2012-07-12 Toyota Motor Corp Control device of internal combustion engine with supercharger
US9121316B2 (en) * 2011-09-09 2015-09-01 Dana Canada Corporation Exhaust gas heat recovery device
EP2803843B1 (en) * 2013-05-14 2018-02-14 Bosal Emission Control Systems NV Unit for recovering thermal energy from exhaust gas of an internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009713A1 (en) * 2005-07-19 2007-01-25 Behr Gmbh & Co. Kg Heat exchanger

Similar Documents

Publication Publication Date Title
JP2008530423A5 (en)
CN106762239B (en) Exhaust gas recirculation device
NZ574642A (en) A muffler that varies its characteristics by blocking one of two passages that has a lower resistance to flow
WO2007111926A3 (en) Integrated charge air and egr valve
EP1712760A3 (en) Indirect variable valve actuation for an internal combustion engine
ITRE20110066A1 (en) COMBUSTION AIR INTAKE MANIFOLD FOR AN INTERNAL COMBUSTION ENGINE EQUIPPED WITH EGR
EP2410166B1 (en) Device for mixing exhaust gas with fresh air to be returned to a combustion engine
JP2011516773A (en) Multiport valve
ATE497575T1 (en) COMBUSTION ENGINE WITH IMPROVED CHARGE MOVEMENT IN THE COMBUSTION CHAMBER
JP2009091947A5 (en)
EP1923551A3 (en) Bypass assembly for a charge-air cooler including two valve members
DE502005008829D1 (en) ENNKRAFTMASCHINEN
ATE535698T1 (en) ENGINE WITH INTAKE CONTROL DEVICE
CN105221299A (en) Exhaust gas re-circulation apparatus
JP4925880B2 (en) Exhaust gas recirculation device for an internal combustion engine with a supercharger
JP2006037773A (en) Exhaust gas recirculation control device
JP2008115868A (en) Engine exhaust gas recirculation (egr) valve
EP1445469A3 (en) Air intake system
US20190170034A1 (en) Compact device for purification and recirculation of exhaust gas
JP4974835B2 (en) Exhaust gas recirculation device
JP6133771B2 (en) Gas mixing equipment
JP6310377B2 (en) Intake manifold for multi-cylinder engines
DE602006008950D1 (en) Automotive air treatment device
EP1984608A4 (en) A supercharging system
JP2006227023A5 (en)