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
Application number
JP10002987U
Other languages
Japanese (ja)
Other versions
JPH0720355Y2 (en
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 filed Critical
Priority to JP1987100029U priority Critical patent/JPH0720355Y2/en
Publication of JPS646333U publication Critical patent/JPS646333U/ja
Application granted granted Critical
Publication of JPH0720355Y2 publication Critical patent/JPH0720355Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの排気通路断面積を絞る排気絞りバル
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.
JP1987100029U 1987-07-01 1987-07-01 Exhaust throttle device Expired - Lifetime JPH0720355Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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