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JPS5425324A - Exhaust gas purifier for internal combustion engine - Google Patents

Exhaust gas purifier for internal combustion engine

Info

Publication number
JPS5425324A
JPS5425324A JP8981977A JP8981977A JPS5425324A JP S5425324 A JPS5425324 A JP S5425324A JP 8981977 A JP8981977 A JP 8981977A JP 8981977 A JP8981977 A JP 8981977A JP S5425324 A JPS5425324 A JP S5425324A
Authority
JP
Japan
Prior art keywords
exhaust gas
gas purifier
combustion engine
internal combustion
nox
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
JP8981977A
Other languages
Japanese (ja)
Inventor
Tatsumi Furukubo
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP8981977A priority Critical patent/JPS5425324A/en
Publication of JPS5425324A publication Critical patent/JPS5425324A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE: To prevent the efficiency of purification of NOx from falling due to the deviation to low concentration of the Z-characteristic of an O2 sensor of an exhaust gas purifier employing a ternary catalyst system and a secondary air feed system.
COPYRIGHT: (C)1979,JPO&Japio
JP8981977A 1977-07-28 1977-07-28 Exhaust gas purifier for internal combustion engine Pending JPS5425324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8981977A JPS5425324A (en) 1977-07-28 1977-07-28 Exhaust gas purifier for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8981977A JPS5425324A (en) 1977-07-28 1977-07-28 Exhaust gas purifier for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5425324A true JPS5425324A (en) 1979-02-26

Family

ID=13981348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8981977A Pending JPS5425324A (en) 1977-07-28 1977-07-28 Exhaust gas purifier for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5425324A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125309A (en) * 1979-03-20 1980-09-27 Toyota Motor Corp Exhaust gas cleaning device for internal combustion engine
US5822976A (en) * 1995-04-05 1998-10-20 Ford Global Technologies, Inc. Method and system for controlling the amount of secondary air introduced into an internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125309A (en) * 1979-03-20 1980-09-27 Toyota Motor Corp Exhaust gas cleaning device for internal combustion engine
US5822976A (en) * 1995-04-05 1998-10-20 Ford Global Technologies, Inc. Method and system for controlling the amount of secondary air introduced into an internal combustion engine

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