JPS52118121A - Secondary air feeding apparatus for purifying exhaust gas of internal combustion engine - Google Patents

Secondary air feeding apparatus for purifying exhaust gas of internal combustion engine

Info

Publication number
JPS52118121A
JPS52118121A JP3402176A JP3402176A JPS52118121A JP S52118121 A JPS52118121 A JP S52118121A JP 3402176 A JP3402176 A JP 3402176A JP 3402176 A JP3402176 A JP 3402176A JP S52118121 A JPS52118121 A JP S52118121A
Authority
JP
Japan
Prior art keywords
secondary air
exhaust gas
air feeding
combustion engine
internal combustion
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
JP3402176A
Other languages
Japanese (ja)
Other versions
JPS5928730B2 (en
Inventor
Tokio Kohama
Hideki Obayashi
Makoto Ozaki
Hidetaka Nohira
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
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc, Toyota Motor Corp filed Critical Nippon Soken Inc
Priority to JP3402176A priority Critical patent/JPS5928730B2/en
Priority to US05/744,824 priority patent/US4146986A/en
Publication of JPS52118121A publication Critical patent/JPS52118121A/en
Publication of JPS5928730B2 publication Critical patent/JPS5928730B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE: A comparator for comparing the signals relating to the suction air amount and the secondary air feeding amount is arranged, and the control valve arranged on the secondary air feeding passage is operated, and the feeding of the optimum amount of the secondary air is always operated, and the uncombusted component in the exhaust gas is certainly reduced.
COPYRIGHT: (C)1977,JPO&Japio
JP3402176A 1975-12-25 1976-03-26 Secondary air supply device for exhaust gas purification of internal combustion engines Expired JPS5928730B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3402176A JPS5928730B2 (en) 1976-03-26 1976-03-26 Secondary air supply device for exhaust gas purification of internal combustion engines
US05/744,824 US4146986A (en) 1975-12-25 1976-11-24 Device for supplying secondary air for purifying exhaust gases discharged from internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3402176A JPS5928730B2 (en) 1976-03-26 1976-03-26 Secondary air supply device for exhaust gas purification of internal combustion engines

Publications (2)

Publication Number Publication Date
JPS52118121A true JPS52118121A (en) 1977-10-04
JPS5928730B2 JPS5928730B2 (en) 1984-07-16

Family

ID=12402717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3402176A Expired JPS5928730B2 (en) 1975-12-25 1976-03-26 Secondary air supply device for exhaust gas purification of internal combustion engines

Country Status (1)

Country Link
JP (1) JPS5928730B2 (en)

Also Published As

Publication number Publication date
JPS5928730B2 (en) 1984-07-16

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