JPS5517683A - After burn preventor - Google Patents
After burn preventorInfo
- Publication number
- JPS5517683A JPS5517683A JP9134578A JP9134578A JPS5517683A JP S5517683 A JPS5517683 A JP S5517683A JP 9134578 A JP9134578 A JP 9134578A JP 9134578 A JP9134578 A JP 9134578A JP S5517683 A JPS5517683 A JP S5517683A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- altitude
- area
- orifice
- bellows
- 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
Links
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
PURPOSE: To ensure the valve opening time for a highland as is permisible to the flat land by changing the area of an orifice communicating two diaphragm chambers according to the height.
CONSTITUTION: A lower chamber 101 of an after burn preventing valve 100 is directly communicated to a suction pipe 3 at the downstream of a throttle valve 4 through the first signal path 6 while an upper chamber 103 thereof is communicated to the suction pipe 3 at the downstream of the throttle valve 4 through a height sensing valve 200. The height sensing valve 200 is provided in a casing 201 having an air releasing hole 201a with a bellows 202 which could be set under the pressure equal to the atmospheric pressure at the altitude of 1,000 m for example. As the altitude exceeds 1,000 m, the bellows stretchs to lower a valve body 211 thereby reducing the path area of a large orifice 209. Accordingly, the area of the orifice changes according to the altitude to make up for the valve opening time of the after burn preventing valve 100.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9134578A JPS5517683A (en) | 1978-07-25 | 1978-07-25 | After burn preventor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9134578A JPS5517683A (en) | 1978-07-25 | 1978-07-25 | After burn preventor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5517683A true JPS5517683A (en) | 1980-02-07 |
Family
ID=14023821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9134578A Pending JPS5517683A (en) | 1978-07-25 | 1978-07-25 | After burn preventor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5517683A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5681241A (en) * | 1979-12-05 | 1981-07-03 | Mazda Motor Corp | Negative-pressure transmission delay device in engine |
-
1978
- 1978-07-25 JP JP9134578A patent/JPS5517683A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5681241A (en) * | 1979-12-05 | 1981-07-03 | Mazda Motor Corp | Negative-pressure transmission delay device in engine |
JPS638291B2 (en) * | 1979-12-05 | 1988-02-22 | Matsuda Kk |
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