JPS52135912A - Secondary air flow control equipment - Google Patents

Secondary air flow control equipment

Info

Publication number
JPS52135912A
JPS52135912A JP5279776A JP5279776A JPS52135912A JP S52135912 A JPS52135912 A JP S52135912A JP 5279776 A JP5279776 A JP 5279776A JP 5279776 A JP5279776 A JP 5279776A JP S52135912 A JPS52135912 A JP S52135912A
Authority
JP
Japan
Prior art keywords
secondary air
air flow
flow control
control equipment
pressure
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
JP5279776A
Other languages
Japanese (ja)
Inventor
Norio Shibata
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 JP5279776A priority Critical patent/JPS52135912A/en
Publication of JPS52135912A publication Critical patent/JPS52135912A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE:To make performance of the purifier improved with the correct quantity of secondary air to be supplied into the exhaust system, through constitution in which the pressure in the upper stream of a metering orifice installed in the secondary air duct can be always maintained at a set value equal to a constant times of the engine back pressure.
JP5279776A 1976-05-11 1976-05-11 Secondary air flow control equipment Pending JPS52135912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5279776A JPS52135912A (en) 1976-05-11 1976-05-11 Secondary air flow control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5279776A JPS52135912A (en) 1976-05-11 1976-05-11 Secondary air flow control equipment

Publications (1)

Publication Number Publication Date
JPS52135912A true JPS52135912A (en) 1977-11-14

Family

ID=12924819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5279776A Pending JPS52135912A (en) 1976-05-11 1976-05-11 Secondary air flow control equipment

Country Status (1)

Country Link
JP (1) JPS52135912A (en)

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