JPS5634917A - Secondary air supplying device for internal combustion engine - Google Patents
Secondary air supplying device for internal combustion engineInfo
- Publication number
- JPS5634917A JPS5634917A JP11186579A JP11186579A JPS5634917A JP S5634917 A JPS5634917 A JP S5634917A JP 11186579 A JP11186579 A JP 11186579A JP 11186579 A JP11186579 A JP 11186579A JP S5634917 A JPS5634917 A JP S5634917A
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- tank
- valve
- air passage
- check 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
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
PURPOSE: To simplify a construction of a secondary air supplying device and effectively utilize its space, by directly attaching a check valve and a pulsation damping tank to the boby of an engine and placing a part of a secondary air passage in the pulsation damping tank.
CONSTITUTION: The valve chamber 8a of a check valve 8 is provided inside the end of a mount 10 integrally protruded near the exhaust port of a cylinder heat 2. An upstream secondary air passage 6a extends vertically along the valve chamber 8a. A seat 8c having a valve port 8b is provided at the open side of the valve chamber 8a. A valve element 8d is installed at the side of the seat 8c opposite the valve chamber 8a. The casing 7a of a pulsation damping tank 7 is secured by bolts 11 to cover the check valve 8. A downstream secondary air passage 6b extends horizontally in the tank 7 so that front end of the passage is opened near the bottom of the tank. The passage 6b communicates with an exhaust port 3 through the seat 8c and anothr secondary air passage 6c. The passages 6, the tank 7, the check valve 8, etc. are thus provided in the cylinder head 2 or directly coupled thereto.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11186579A JPS5634917A (en) | 1979-08-31 | 1979-08-31 | Secondary air supplying device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11186579A JPS5634917A (en) | 1979-08-31 | 1979-08-31 | Secondary air supplying device for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5634917A true JPS5634917A (en) | 1981-04-07 |
JPS6218727B2 JPS6218727B2 (en) | 1987-04-24 |
Family
ID=14572099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11186579A Granted JPS5634917A (en) | 1979-08-31 | 1979-08-31 | Secondary air supplying device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5634917A (en) |
-
1979
- 1979-08-31 JP JP11186579A patent/JPS5634917A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6218727B2 (en) | 1987-04-24 |
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