JPS63146116U - - Google Patents

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Publication number
JPS63146116U
JPS63146116U JP3710587U JP3710587U JPS63146116U JP S63146116 U JPS63146116 U JP S63146116U JP 3710587 U JP3710587 U JP 3710587U JP 3710587 U JP3710587 U JP 3710587U JP S63146116 U JPS63146116 U JP S63146116U
Authority
JP
Japan
Prior art keywords
diesel engine
sensor
amount
engine
removal mechanism
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
JP3710587U
Other languages
Japanese (ja)
Other versions
JPH0612174Y2 (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 JP1987037105U priority Critical patent/JPH0612174Y2/en
Publication of JPS63146116U publication Critical patent/JPS63146116U/ja
Application granted granted Critical
Publication of JPH0612174Y2 publication Critical patent/JPH0612174Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Exhaust Gas After Treatment (AREA)

Description

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

第１図は本考案によるデイーゼルエンジンの窒
素酸化物除去機構の一実施例のブロツク図、第２
図はエンジン回転数一定の条件におけるエンジン
負荷とＮＯｘ発生量の関係を示すグラフである。 １……デイーゼルエンジン、２……排気管、２
１……排気本管、３……切換弁、２２……分岐管
、４……触媒コンバータ、５……ＮＨ３タンク、
７……ＮＨ３噴射ノズル、８……負荷センサ、９
……回転数センサ、１０……温度センサ。 Fig. 1 is a block diagram of an embodiment of the nitrogen oxide removal mechanism for a diesel engine according to the present invention;
The figure is a graph showing the relationship between the engine load and the amount of NOx generated under the condition that the engine speed is constant. 1... Diesel engine, 2... Exhaust pipe, 2
1...Exhaust main pipe, 3...Switching valve, 22...Branch pipe, 4...Catalytic converter, 5... NH3 tank,
7... NH3 injection nozzle, 8...Load sensor, 9
...Rotation speed sensor, 10...Temperature sensor.

Claims (1)

【実用新案登録請求の範囲】 (1) デイーゼルエンジンの排気ガス中のＮＯｘ
を還元するためのＮＨ３ガスを添加するためのＮ
Ｈ３添加手段と、前記ＮＨ３を貯蔵する手段と、
前記ＮＨ３が添加された排気ガス中のＮＯｘを還
元するためのＴｉＯ２系触媒を有する触媒コンバ
ータとを備えたデイーゼルエンジンの窒素酸化物
除去機構において、前記デイーゼルエンジンのエ
ンジン負荷を検知するエンジン負荷センサと、エ
ンジンの回転数を検知する回転数センサと、排気
ガスの温度を検知する温度センサを備え、前記負
荷センサ、回転数センサおよび温度センサよりの
信号を受けて、前記ＮＨ３の添加量を零または所
定量に制御するコンピユータを備えたことを特徴
とするデイーゼルエンジンの窒素酸化物除去機構
。 (2) 前記コンピユータはＮＨ３貯蔵手段にＮＨ
３量検知センサを有し、前記ＮＨ３貯蔵手段中の
ＮＨ３量が一定量以下になつたときに、警報手段
を作動させることを特徴とする実用新案登録請求
の範囲第１項記載のデイーゼルエンジンの窒素酸
化物除去機構。 (4) 前記コンピユータはＮＨ３貯蔵手段にＮＨ
３量検知センサを有し、前記ＮＨ３貯蔵手段のＮ
Ｈ３がなくなつたときに、デイーゼルエンジンの
燃料噴射量を抑制することを特徴とする実用新案
登録請求の範囲第１項から第２項のいずれかに記
載のデイーゼルエンジンの窒素酸化物除去機構。[Scope of claim for utility model registration] (1) NOx in exhaust gas of diesel engine
N to add NH3 gas to reduce
means for adding H3 ; means for storing said NH3 ;
In the nitrogen oxide removal mechanism for a diesel engine comprising a catalytic converter having a TiO 2 -based catalyst for reducing NOx in the exhaust gas to which NH 3 is added, an engine load for detecting an engine load of the diesel engine; a sensor, a rotation speed sensor that detects the rotation speed of the engine, and a temperature sensor that detects the temperature of exhaust gas, and receives signals from the load sensor, the rotation speed sensor, and the temperature sensor, and determines the amount of NH 3 added. A nitrogen oxide removal mechanism for a diesel engine, comprising a computer that controls nitrogen oxides to zero or a predetermined amount. (2) The computer stores NH3 in the NH3 storage means.
2. The diesel engine according to claim 1, further comprising a sensor for detecting the amount of NH 3 and activating an alarm when the amount of NH 3 in the NH 3 storage means falls below a certain amount. Engine nitrogen oxide removal mechanism. (4) The computer stores NH3 in the NH3 storage means.
N of the NH 3 storage means.
The nitrogen oxide removal mechanism for a diesel engine according to any one of claims 1 to 2, which is characterized in that the fuel injection amount of the diesel engine is suppressed when H3 runs out. .
JP1987037105U 1987-03-13 1987-03-13 Nisel oxide removal mechanism of diesel engine Expired - Lifetime JPH0612174Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987037105U JPH0612174Y2 (en) 1987-03-13 1987-03-13 Nisel oxide removal mechanism of diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987037105U JPH0612174Y2 (en) 1987-03-13 1987-03-13 Nisel oxide removal mechanism of diesel engine

Publications (2)

Publication Number Publication Date
JPS63146116U true JPS63146116U (en) 1988-09-27
JPH0612174Y2 JPH0612174Y2 (en) 1994-03-30

Family

ID=30848132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987037105U Expired - Lifetime JPH0612174Y2 (en) 1987-03-13 1987-03-13 Nisel oxide removal mechanism of diesel engine

Country Status (1)

Country Link
JP (1) JPH0612174Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204615A (en) * 1989-02-02 1990-08-14 Nippon Shokubai Kagaku Kogyo Co Ltd Method for eliminating nitrogen oxide in exhaust gas of diesel engine
JPH02204614A (en) * 1989-02-02 1990-08-14 Nippon Shokubai Kagaku Kogyo Co Ltd Method for eliminating nitrogen oxide in exhaust gas of diesel 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
WO2012026512A1 (en) * 2010-08-26 2012-03-01 三菱重工業株式会社 Marine denitration system, marine vessel equipped with same, and control method for marine denitration system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593917A (en) * 1979-01-08 1980-07-16 Unitika Ltd Method of purifying exhaust gas of internal combustion engine
JPS6212717U (en) * 1985-07-08 1987-01-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593917A (en) * 1979-01-08 1980-07-16 Unitika Ltd Method of purifying exhaust gas of internal combustion engine
JPS6212717U (en) * 1985-07-08 1987-01-26

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02204615A (en) * 1989-02-02 1990-08-14 Nippon Shokubai Kagaku Kogyo Co Ltd Method for eliminating nitrogen oxide in exhaust gas of diesel engine
JPH02204614A (en) * 1989-02-02 1990-08-14 Nippon Shokubai Kagaku Kogyo Co Ltd Method for eliminating nitrogen oxide in exhaust gas of diesel 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
JP2010236554A (en) * 2002-09-05 2010-10-21 Johnson Matthey Plc Exhaust mechanism for lean burn engine
WO2012026512A1 (en) * 2010-08-26 2012-03-01 三菱重工業株式会社 Marine denitration system, marine vessel equipped with same, and control method for marine denitration system

Also Published As

Publication number Publication date
JPH0612174Y2 (en) 1994-03-30

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