JPS53125523A - Exhaust gas purifying equipment of internal combustion engine - Google Patents

Exhaust gas purifying equipment of internal combustion engine

Info

Publication number
JPS53125523A
JPS53125523A JP4055177A JP4055177A JPS53125523A JP S53125523 A JPS53125523 A JP S53125523A JP 4055177 A JP4055177 A JP 4055177A JP 4055177 A JP4055177 A JP 4055177A JP S53125523 A JPS53125523 A JP S53125523A
Authority
JP
Japan
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purifying
purifying equipment
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.)
Pending
Application number
JP4055177A
Other languages
Japanese (ja)
Inventor
Takamichi Nakase
Tadashi Hattori
Junichiro Naito
Kenji Kondo
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP4055177A priority Critical patent/JPS53125523A/en
Priority to DE2814780A priority patent/DE2814780C2/en
Publication of JPS53125523A publication Critical patent/JPS53125523A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE: To improve purifying efficient. by means of movement from reducing atmosphere having small air fuel ratio of the exhaust gas to the reducing atmosphere having large one along the flow direction of the exhaust gas in the catalyzer bed, in the exhaust gas purfying equipment provided with ternary catalyzer and the secondary air supply equipment.
COPYRIGHT: (C)1978,JPO&Japio
JP4055177A 1977-04-08 1977-04-08 Exhaust gas purifying equipment of internal combustion engine Pending JPS53125523A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4055177A JPS53125523A (en) 1977-04-08 1977-04-08 Exhaust gas purifying equipment of internal combustion engine
DE2814780A DE2814780C2 (en) 1977-04-08 1978-04-05 Exhaust gas purification device for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4055177A JPS53125523A (en) 1977-04-08 1977-04-08 Exhaust gas purifying equipment of internal combustion engine

Publications (1)

Publication Number Publication Date
JPS53125523A true JPS53125523A (en) 1978-11-01

Family

ID=12583576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4055177A Pending JPS53125523A (en) 1977-04-08 1977-04-08 Exhaust gas purifying equipment of internal combustion engine

Country Status (2)

Country Link
JP (1) JPS53125523A (en)
DE (1) DE2814780C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450946A1 (en) * 1979-03-08 1980-10-03 Peugeot DEVICE FOR PURIFYING EXHAUST GASES FROM AN EXPLOSION ENGINE
JP2006183513A (en) * 2004-12-27 2006-07-13 Honda Motor Co Ltd Secondary air suction system of motorcycle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2363404B2 (en) * 1973-12-20 1976-02-26 Deutsche Vergaser Gmbh & Co Kg, 4040 Neuss EXPENSIVE DEVICE FOR SIZING ADDITIONAL AIR FOR THE EXHAUST GAS AFTERBURNER OF A COMBUSTION ENGINE
CA1071845A (en) * 1975-08-25 1980-02-19 Ford Motor Company Of Canada Method of momentarily extending the operative range of an equilibrium type catalyst

Also Published As

Publication number Publication date
DE2814780C2 (en) 1985-05-15
DE2814780A1 (en) 1978-10-12

Similar Documents

Publication Publication Date Title
JPS52139820A (en) Exhaust gas purifier for internal combustion engine
JPS5385223A (en) Purifier for exhaust gas of internal combustion engine
JPS5344732A (en) Exhaust gas purifier for engine
JPS52100019A (en) Automobile engine exhaust gas purifier using high degree compensator
JPS52142127A (en) Exhaust purifier in the internal combustion engine
JPS5423818A (en) Internal combustion engine exhaust gas purifier
JPS52131032A (en) Fuel supply for internal combustion engine
JPS5322917A (en) Exhaust gas purifying apparatus of internal combustion engine
JPS5327716A (en) Multicyclinder type internal combustion engine
JPS53125523A (en) Exhaust gas purifying equipment of internal combustion engine
JPS5332223A (en) Catalyst type exhaust gas purifying means for internal combustion engine
JPS5436417A (en) Exhaust gas purifying equipment of internal combustion engine
JPS5430311A (en) Internal combustion engine exhaust gas purifier
JPS52131029A (en) Exhaust gas recycling device in internal combustion engine
JPS5423820A (en) Internal combustion engine secondary air regulator
JPS523932A (en) Air fuel ratio control device for internal combustion engine
JPS5331021A (en) Secondary air supplying system in internal combustion engine
JPS52154907A (en) Three valve engine
JPS5412032A (en) Purifying exhaust gas equipment for internal combustion engine
JPS53104012A (en) Purifying engine exhaust gas
JPS52124540A (en) Air fuel ratio controller for internal combustion engine
JPS53122008A (en) Exhaust gas purifier for internal combustion engine
JPS5244307A (en) Engine exhaust gas purification device used for a two-point engine
JPS5395421A (en) Exhaust gas purifier for internal combustion engine
JPS5395420A (en) Purification method and device for exhaust gas from internal combustion engine