JPH03129712U - - Google Patents

Info

Publication number
JPH03129712U
JPH03129712U JP3827390U JP3827390U JPH03129712U JP H03129712 U JPH03129712 U JP H03129712U JP 3827390 U JP3827390 U JP 3827390U JP 3827390 U JP3827390 U JP 3827390U JP H03129712 U JPH03129712 U JP H03129712U
Authority
JP
Japan
Prior art keywords
nozzle
urea
exhaust gas
exhaust pipe
catalytic converter
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
JP3827390U
Other languages
Japanese (ja)
Other versions
JPH0712660Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3827390U priority Critical patent/JPH0712660Y2/en
Publication of JPH03129712U publication Critical patent/JPH03129712U/ja
Application granted granted Critical
Publication of JPH0712660Y2 publication Critical patent/JPH0712660Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

図は、トラツクに搭載されたデイーゼル・エン
ジンの排気系統に適用されたこの考案のデイーゼ
ル・エンジンに使用される排気浄化装置の概説図
である。 １１……ノズル、１２……触媒コンバータ、１
３……尿素水溶液源、１４……電磁弁、１５……
コントローラ。 The figure is a schematic diagram of an exhaust purification device used in a diesel engine of this invention, which is applied to the exhaust system of a diesel engine mounted on a truck. 11... Nozzle, 12... Catalytic converter, 1
3... Urea aqueous solution source, 14... Solenoid valve, 15...
controller.

Claims (1)

【実用新案登録請求の範囲】 排気管の上流側において、排気の流れに尿素水
溶液をスプレイするノズルと、 そのノズルの下流において、その排気管の途中
に接続されてその尿素水溶液がスプレイされた排
気を通過させる触媒コンバータと、 配管でそのノズルに接続され、そして、加圧さ
れてある尿素水溶液をそのノズルに供給する尿素
水溶液源と、 その尿素水溶液源をそのノズルに接続するその
配管に配置される電磁弁と、 そのノズルの上流側において、その排気管内に
流れる排気の流量および窒素酸化物濃度、その触
媒コンバータの触媒温度、および、その触媒コン
バータの下流側において、その排気管内に流れる
排気の尿素濃度に応じて、その電磁弁に流れる電
流を制御するコントローラ とを含むデイーゼル・エンジンに使用される排気
浄化装置。[Scope of Claim for Utility Model Registration] A nozzle that sprays a urea aqueous solution into the flow of exhaust gas on the upstream side of an exhaust pipe, and an exhaust gas connected to the middle of the exhaust pipe and sprayed with the urea aqueous solution downstream of the nozzle. a catalytic converter connected to the nozzle by piping, and an aqueous urea source for supplying a pressurized aqueous urea solution to the nozzle; upstream of the nozzle, the flow rate and nitrogen oxide concentration of the exhaust gas flowing into the exhaust pipe, the catalyst temperature of the catalytic converter, and the downstream side of the catalytic converter, the flow rate and nitrogen oxide concentration of the exhaust gas flowing into the exhaust pipe. An exhaust purification device used in a diesel engine, including a controller that controls current flowing through the solenoid valve according to urea concentration.
JP3827390U 1990-04-10 1990-04-10 Exhaust gas purification device used for diesel engine Expired - Lifetime JPH0712660Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3827390U JPH0712660Y2 (en) 1990-04-10 1990-04-10 Exhaust gas purification device used for diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3827390U JPH0712660Y2 (en) 1990-04-10 1990-04-10 Exhaust gas purification device used for diesel engine

Publications (2)

Publication Number Publication Date
JPH03129712U true JPH03129712U (en) 1991-12-26
JPH0712660Y2 JPH0712660Y2 (en) 1995-03-29

Family

ID=31546129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3827390U Expired - Lifetime JPH0712660Y2 (en) 1990-04-10 1990-04-10 Exhaust gas purification device used for diesel engine

Country Status (1)

Country Link
JP (1) JPH0712660Y2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003521702A (en) * 2000-02-03 2003-07-15 シーメンス アクチエンゲゼルシヤフト Pressure sensor for detecting fluid pressure
WO2005073527A1 (en) * 2004-02-02 2005-08-11 Nissan Diesel Motor Co., Ltd. Device for purifying exhaust gas of internal combustion engine
JP2005538291A (en) * 2002-09-05 2005-12-15 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー Exhaust mechanism for lean burn engine
WO2006048977A1 (en) * 2004-11-04 2006-05-11 Nissan Diesel Motor Co., Ltd. Exhaust gas purifying device
WO2006061943A1 (en) * 2004-12-07 2006-06-15 Nissan Diesel Motor Co., Ltd. Exhaust gas purification apparatus
JP4726926B2 (en) * 2008-05-22 2011-07-20 株式会社デンソー Exhaust gas purification device for internal combustion engine
JP2015507125A (en) * 2012-02-03 2015-03-05 エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング How to operate the metering device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001303934A (en) * 1998-06-23 2001-10-31 Toyota Motor Corp Exhaust emission control device for internal combustion engine
KR101595825B1 (en) * 2015-11-13 2016-02-19 박장섭 An urea air distribution system for Nox Reduction Device For Diesel Vehicles

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003521702A (en) * 2000-02-03 2003-07-15 シーメンス アクチエンゲゼルシヤフト Pressure sensor for detecting fluid pressure
JP4981228B2 (en) * 2000-02-03 2012-07-18 ジョンソン マッセイ キャタリスツ （ジャーマニー） ゲゼルシャフト ミット ベシュレンクテル ハフツング Pressure sensor for detecting the pressure of liquid
JP2005538291A (en) * 2002-09-05 2005-12-15 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー Exhaust mechanism for lean burn engine
WO2005073527A1 (en) * 2004-02-02 2005-08-11 Nissan Diesel Motor Co., Ltd. Device for purifying exhaust gas of internal combustion engine
WO2006048977A1 (en) * 2004-11-04 2006-05-11 Nissan Diesel Motor Co., Ltd. Exhaust gas purifying device
WO2006061943A1 (en) * 2004-12-07 2006-06-15 Nissan Diesel Motor Co., Ltd. Exhaust gas purification apparatus
JP4726926B2 (en) * 2008-05-22 2011-07-20 株式会社デンソー Exhaust gas purification device for internal combustion engine
JP2015507125A (en) * 2012-02-03 2015-03-05 エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング How to operate the metering device

Also Published As

Publication number Publication date
JPH0712660Y2 (en) 1995-03-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term