JPS5276520A - Secondary air control unit - Google Patents

Secondary air control unit

Info

Publication number
JPS5276520A
JPS5276520A JP15278075A JP15278075A JPS5276520A JP S5276520 A JPS5276520 A JP S5276520A JP 15278075 A JP15278075 A JP 15278075A JP 15278075 A JP15278075 A JP 15278075A JP S5276520 A JPS5276520 A JP S5276520A
Authority
JP
Japan
Prior art keywords
secondary air
control unit
finding out
air control
air quantity
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
JP15278075A
Other languages
Japanese (ja)
Inventor
Shunichi Aoyama
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 JP15278075A priority Critical patent/JPS5276520A/en
Publication of JPS5276520A publication Critical patent/JPS5276520A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE: To control the quantity of secondary air supply adequately through a wide operation range, by finding out the exhaust amount of the engine from the venturi suction, finding out secondary air quantity from the differential pressure in the secondary air passage, and finding out excess or shortage of the secondary air quantity form relationship between the above tow values.
COPYRIGHT: (C)1977,JPO&Japio
JP15278075A 1975-12-23 1975-12-23 Secondary air control unit Pending JPS5276520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15278075A JPS5276520A (en) 1975-12-23 1975-12-23 Secondary air control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15278075A JPS5276520A (en) 1975-12-23 1975-12-23 Secondary air control unit

Publications (1)

Publication Number Publication Date
JPS5276520A true JPS5276520A (en) 1977-06-28

Family

ID=15547975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15278075A Pending JPS5276520A (en) 1975-12-23 1975-12-23 Secondary air control unit

Country Status (1)

Country Link
JP (1) JPS5276520A (en)

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