JPS55148954A - Controller for return amount of exhaust gas in engine - Google Patents

Controller for return amount of exhaust gas in engine

Info

Publication number
JPS55148954A
JPS55148954A JP5693979A JP5693979A JPS55148954A JP S55148954 A JPS55148954 A JP S55148954A JP 5693979 A JP5693979 A JP 5693979A JP 5693979 A JP5693979 A JP 5693979A JP S55148954 A JPS55148954 A JP S55148954A
Authority
JP
Japan
Prior art keywords
negative pressure
control valve
exhaust gas
passage
valve
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
JP5693979A
Other languages
Japanese (ja)
Inventor
Shoichi Otaka
Kiyoshi Ishii
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.)
Honda Motor Co Ltd
Original Assignee
Honda 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP5693979A priority Critical patent/JPS55148954A/en
Publication of JPS55148954A publication Critical patent/JPS55148954A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)

Abstract

PURPOSE: To obtain a proper return of exhaust gas by arranging a cut valve to reduce the amount of negative pressure for high speed revolutions of an engine in a negative pressure chamber of an exhaust gas return control valve for preventing the excess supply of the returned exhaust gas for the operation thereof.
CONSTITUTION: Suction and exhaust passages 1 and 2 are connected by a return passage 3 provided with an exhaust gas return control valve 7. A negative pressure near a throttle valve 4 in a suction pips is introduced into a negative pressure chamber 8 of the control valve 7, and also transmitted to a negative pressure chamber 14 of the first control valve 13 for regulating a negative pressure in a branch passage 12. The second control valve 30 is regulated by the negative pressure in this passage 12, and a negative pressure in a Venturi tube 22 is transmitted to the control valve 7 for increasing the opening degree. A cut valve 27 to be connected to the open air by the negative pressure in the Venturi tube is arranged in a negative pressure passage 6. When the negative pressure in the Venturi tube is raised above a predetermined level, the air is introduced into the negative pressure passage 6 for reducing the opening degree of the control valve 7.
COPYRIGHT: (C)1980,JPO&Japio
JP5693979A 1979-05-11 1979-05-11 Controller for return amount of exhaust gas in engine Pending JPS55148954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5693979A JPS55148954A (en) 1979-05-11 1979-05-11 Controller for return amount of exhaust gas in engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5693979A JPS55148954A (en) 1979-05-11 1979-05-11 Controller for return amount of exhaust gas in engine

Publications (1)

Publication Number Publication Date
JPS55148954A true JPS55148954A (en) 1980-11-19

Family

ID=13041496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5693979A Pending JPS55148954A (en) 1979-05-11 1979-05-11 Controller for return amount of exhaust gas in engine

Country Status (1)

Country Link
JP (1) JPS55148954A (en)

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