JPS54153920A - Secondary air feeding apparatus of engine - Google Patents
Secondary air feeding apparatus of engineInfo
- Publication number
- JPS54153920A JPS54153920A JP6303878A JP6303878A JPS54153920A JP S54153920 A JPS54153920 A JP S54153920A JP 6303878 A JP6303878 A JP 6303878A JP 6303878 A JP6303878 A JP 6303878A JP S54153920 A JPS54153920 A JP S54153920A
- Authority
- JP
- Japan
- Prior art keywords
- high load
- intake passage
- negative pressure
- secondary air
- 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.)
- Granted
Links
Abstract
PURPOSE: To control exhaust system secondary air by means of operating signals of a detector by arranging the detector which detects the pressure difference between a low load intake passage and a high load intake passage and a high load intake passage.
CONSTITUTION: The negative pressure Pα on the downstream side of a low load carburetor throttle valve 14 in a low load intake passage 10 and the negative pressure Pγ on the downstream side of a high load carburetor throttle valve 16 in a high load intake passage 11 are introduced into the low load and the high load negative pressure chambers 27b and 27c of a diaphragm apparatus 27 through low and high load negative pressure introducing passages 25 and 26 respectively. A diaphragm detector 27 detects the pressure differences Pα and Pγ and allows a secondary air control valve 23 to operate. When the pressure difference between Pα and ργ is smaller than the prescribed value, the valve 23 is closed, and when the differential pressure is larger than the prescribed value, the valve 23 is opened.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6303878A JPS54153920A (en) | 1978-05-25 | 1978-05-25 | Secondary air feeding apparatus of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6303878A JPS54153920A (en) | 1978-05-25 | 1978-05-25 | Secondary air feeding apparatus of engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54153920A true JPS54153920A (en) | 1979-12-04 |
JPS5712009B2 JPS5712009B2 (en) | 1982-03-08 |
Family
ID=13217752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6303878A Granted JPS54153920A (en) | 1978-05-25 | 1978-05-25 | Secondary air feeding apparatus of engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54153920A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63294362A (en) * | 1987-05-18 | 1988-12-01 | Kanji Murakami | Adhesive body structure |
-
1978
- 1978-05-25 JP JP6303878A patent/JPS54153920A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5712009B2 (en) | 1982-03-08 |
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