JPS646333U - - Google Patents
Info
- Publication number
- JPS646333U JPS646333U JP10002987U JP10002987U JPS646333U JP S646333 U JPS646333 U JP S646333U JP 10002987 U JP10002987 U JP 10002987U JP 10002987 U JP10002987 U JP 10002987U JP S646333 U JPS646333 U JP S646333U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- negative pressure
- exhaust throttle
- throttle valve
- actuator
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第1図は本考案に係わる排気絞り装置の一実施
例を示すシステム図、第2図は同上実施例におけ
る可変負圧装置の構造を示す断面図、第3図は従
来の排気絞り装置の一例を示すシステム図、第4
図は従来の排圧制御型排気絞りシステムを示す概
略図である。
1…コントローラ、2…ヒートアツプスイツチ
、3…排気絞り用のソレノイド、5…排気絞りバ
ルブ用のアクチユエータ、8…排気絞りバルブ、
9…排気チユーブ、9a…排気導出口、18…負
圧導入パイプ、19…可変負圧装置、20…排気
導出パイプ、21…本体、22…負圧ダイヤフラ
ム、23…パイプ部、23a…オリフイス、25
…大気開放用パイプ部、26…本体、27…正圧
ダイヤフラム、28…パイプ部、29…パイプ部
、30…ピストン、33…スプリング、A…負圧
ダイヤフラム装置部、B…正圧ダイヤフラム装置
部、a…負圧室、b…排気室、c…排気室、d…
大気室。
Fig. 1 is a system diagram showing an embodiment of the exhaust throttle device according to the present invention, Fig. 2 is a sectional view showing the structure of the variable negative pressure device in the same embodiment, and Fig. 3 is an example of a conventional exhaust throttle device. System diagram showing 4th
The figure is a schematic diagram showing a conventional exhaust pressure control type exhaust throttle system. 1... Controller, 2... Heat-up switch, 3... Solenoid for exhaust throttle, 5... Actuator for exhaust throttle valve, 8... Exhaust throttle valve,
9... Exhaust tube, 9a... Exhaust outlet, 18... Negative pressure introduction pipe, 19... Variable negative pressure device, 20... Exhaust outlet pipe, 21... Main body, 22... Negative pressure diaphragm, 23... Pipe section, 23a... Orifice, 25
...Pipe section for atmospheric release, 26...Main body, 27...Positive pressure diaphragm, 28...Pipe section, 29...Pipe section, 30...Piston, 33...Spring, A...Negative pressure diaphragm device section, B...Positive pressure diaphragm device section , a... Negative pressure chamber, b... Exhaust chamber, c... Exhaust chamber, d...
atmospheric chamber.
Claims (1)
ブを負圧力により作動するアクチユエータを備え
た排気絞り装置において、前記排気絞りバルブの
上流側の排気圧力に応じて前記アクチユエータの
作動負圧力を可変制御する可変負圧装置を備えた
ことを特徴とする排気絞り装置。 In an exhaust throttle device equipped with an actuator that operates an exhaust throttle valve that reduces the cross-sectional area of an exhaust passage of an engine using negative pressure, a variable control device that variably controls the operating negative pressure of the actuator according to exhaust pressure on the upstream side of the exhaust throttle valve. An exhaust throttle device characterized by being equipped with a negative pressure device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987100029U JPH0720355Y2 (en) | 1987-07-01 | 1987-07-01 | Exhaust throttle device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987100029U JPH0720355Y2 (en) | 1987-07-01 | 1987-07-01 | Exhaust throttle device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS646333U true JPS646333U (en) | 1989-01-13 |
JPH0720355Y2 JPH0720355Y2 (en) | 1995-05-15 |
Family
ID=31327732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987100029U Expired - Lifetime JPH0720355Y2 (en) | 1987-07-01 | 1987-07-01 | Exhaust throttle device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0720355Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05116548A (en) * | 1991-10-30 | 1993-05-14 | Honda Motor Co Ltd | Fuel tank made of resin |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5990043U (en) * | 1982-12-10 | 1984-06-18 | 三菱自動車工業株式会社 | Engine exhaust pressure regulator |
JPS59107940U (en) * | 1983-01-13 | 1984-07-20 | いすゞ自動車株式会社 | Exhaust brake device for internal combustion engine |
-
1987
- 1987-07-01 JP JP1987100029U patent/JPH0720355Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5990043U (en) * | 1982-12-10 | 1984-06-18 | 三菱自動車工業株式会社 | Engine exhaust pressure regulator |
JPS59107940U (en) * | 1983-01-13 | 1984-07-20 | いすゞ自動車株式会社 | Exhaust brake device for internal combustion engine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05116548A (en) * | 1991-10-30 | 1993-05-14 | Honda Motor Co Ltd | Fuel tank made of resin |
Also Published As
Publication number | Publication date |
---|---|
JPH0720355Y2 (en) | 1995-05-15 |