JPS5256217A - Exhaust purifying system for internal combustion engine - Google Patents

Exhaust purifying system for internal combustion engine

Info

Publication number
JPS5256217A
JPS5256217A JP50131937A JP13193775A JPS5256217A JP S5256217 A JPS5256217 A JP S5256217A JP 50131937 A JP50131937 A JP 50131937A JP 13193775 A JP13193775 A JP 13193775A JP S5256217 A JPS5256217 A JP S5256217A
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
purifying system
exhaust purifying
exhaust
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
JP50131937A
Other languages
Japanese (ja)
Other versions
JPS5644772B2 (en
Inventor
Eiji Kawasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP50131937A priority Critical patent/JPS5256217A/en
Priority to DE19762649606 priority patent/DE2649606A1/en
Publication of JPS5256217A publication Critical patent/JPS5256217A/en
Publication of JPS5644772B2 publication Critical patent/JPS5644772B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: The provision of the catalyst to make the heat resistant granular carrier carry platinum and rhodium at the settled weight % in the exhaust system of the engine which has the superfluous air ratio varying from 0.97 to 1.15 eliminates HC, CO and NOx in the exhaust at the same time.
COPYRIGHT: (C)1977,JPO&Japio
JP50131937A 1975-11-01 1975-11-01 Exhaust purifying system for internal combustion engine Granted JPS5256217A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50131937A JPS5256217A (en) 1975-11-01 1975-11-01 Exhaust purifying system for internal combustion engine
DE19762649606 DE2649606A1 (en) 1975-11-01 1976-10-29 Purification of exhaust gases using platinum-rhodium catalysts - with fuel-air ratio controlled by gas compsn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50131937A JPS5256217A (en) 1975-11-01 1975-11-01 Exhaust purifying system for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5256217A true JPS5256217A (en) 1977-05-09
JPS5644772B2 JPS5644772B2 (en) 1981-10-21

Family

ID=15069687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50131937A Granted JPS5256217A (en) 1975-11-01 1975-11-01 Exhaust purifying system for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5256217A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432167A (en) * 1977-08-15 1979-03-09 Osaka Sanso Kougiyou Kk Gas purification

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4863985A (en) * 1971-11-22 1973-09-05
JPS49106964A (en) * 1973-02-01 1974-10-11
JPS50131936A (en) * 1974-03-19 1975-10-18

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4863985A (en) * 1971-11-22 1973-09-05
JPS49106964A (en) * 1973-02-01 1974-10-11
JPS50131936A (en) * 1974-03-19 1975-10-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432167A (en) * 1977-08-15 1979-03-09 Osaka Sanso Kougiyou Kk Gas purification

Also Published As

Publication number Publication date
JPS5644772B2 (en) 1981-10-21

Similar Documents

Publication Publication Date Title
JPS5417414A (en) Exhaust gas purifying system
JPS5234119A (en) Exhaust gas purifying system of multi-cylinder engine
JPS57117326A (en) Filter for exhaust gas of internal-combustion engine
JPS52110317A (en) Exhaust system with catalytic converter
JPS53100317A (en) Exhaust purifying process and system in internal combustion engine
JPS5256217A (en) Exhaust purifying system for internal combustion engine
JPS5256216A (en) Exhaust purifying system for internal combustion engine
JPS5413820A (en) Engine exhaust gas purifier
JPS5331020A (en) Purifying system of exhaust gas in engine
JPS5227086A (en) Catalyst for purification of exhaust gas
JPS5237590A (en) Method of preparing nox reduction catalyst
JPS5224615A (en) Engine exhaust gas control method
JPS5423820A (en) Internal combustion engine secondary air regulator
JPS5425324A (en) Exhaust gas purifier for internal combustion engine
JPS5231994A (en) Catalyst for purification of exhaust gas
JPS523927A (en) Exhaust gas return flow device for multi-cylinder engine
JPS51144834A (en) Fuel control system for internal combustion engine
JPS5289560A (en) Removal of nitrogen oxides
JPS5329411A (en) Exhaust gas purifying equipment for automotive internal combustion engine
JPS5452213A (en) Method of purifying exhaust gas of rotary piston engine
JPS5416020A (en) Exhaust gas purifier for engine
JPS5247128A (en) Exhaust gas purifying device
JPS53125523A (en) Exhaust gas purifying equipment of internal combustion engine
JPS52151419A (en) Exhaust clarifying system of internal combustion engine for automobile
JPS5229489A (en) Catalytic reduction catalyst suitable for making nox in exhaust gas no n- hazardous