JPS5489117A - Secondary air controller - Google Patents

Secondary air controller

Info

Publication number
JPS5489117A
JPS5489117A JP15711677A JP15711677A JPS5489117A JP S5489117 A JPS5489117 A JP S5489117A JP 15711677 A JP15711677 A JP 15711677A JP 15711677 A JP15711677 A JP 15711677A JP S5489117 A JPS5489117 A JP S5489117A
Authority
JP
Japan
Prior art keywords
pipe
exhaust
secondary air
valve
engine
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
JP15711677A
Other languages
Japanese (ja)
Other versions
JPS5613167B2 (en
Inventor
Toshihiko Sato
Yoichi Ishida
Mitsugi Iwashita
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 JP15711677A priority Critical patent/JPS5489117A/en
Priority to US05/972,733 priority patent/US4257227A/en
Publication of JPS5489117A publication Critical patent/JPS5489117A/en
Publication of JPS5613167B2 publication Critical patent/JPS5613167B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE: To prevent the after-burning of an exhaust purifier, by introducing secondary air, which feed to an exhaust passage is cut, to a suction passage when using engine brake, in a controller of secondary air utilized for purifying exhaust from an engine.
CONSTITUTION: When decelerating a car by engine brake, the opening of a throttle valve 6 is small, and intake negative pressure at an extracting port 15 becomes high. The negative pressure instantaneously works on a chamber D of a change-over valve 20, but slowly acts on a chamber E by a delay valve 56. Consequently, a valve 39 opens by the fall of a diaphragm 35 at the beginning of deceleration, secondary air entering a pipe 28 from the outside air is introduced 11 to an exhaust pipe 8 of an engine 1 up to that time, but it is introduced to an intake pipe 2 from a pipe 26 and dilutes over-concentrated mixture by fuel evaporated onto a suction pipe wall, thus preventing the after-burning of an exhaust gas purifier 9.
COPYRIGHT: (C)1979,JPO&Japio
JP15711677A 1977-12-26 1977-12-26 Secondary air controller Granted JPS5489117A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15711677A JPS5489117A (en) 1977-12-26 1977-12-26 Secondary air controller
US05/972,733 US4257227A (en) 1977-12-26 1978-12-26 Secondary air controlling apparatus for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15711677A JPS5489117A (en) 1977-12-26 1977-12-26 Secondary air controller

Publications (2)

Publication Number Publication Date
JPS5489117A true JPS5489117A (en) 1979-07-14
JPS5613167B2 JPS5613167B2 (en) 1981-03-26

Family

ID=15642559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15711677A Granted JPS5489117A (en) 1977-12-26 1977-12-26 Secondary air controller

Country Status (1)

Country Link
JP (1) JPS5489117A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218681U (en) * 1975-07-28 1977-02-09
JPS5236217A (en) * 1975-09-18 1977-03-19 Toyota Motor Corp Control equipment of secondary air for internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218681U (en) * 1975-07-28 1977-02-09
JPS5236217A (en) * 1975-09-18 1977-03-19 Toyota Motor Corp Control equipment of secondary air for internal combustion engine

Also Published As

Publication number Publication date
JPS5613167B2 (en) 1981-03-26

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