JPS58132122U - Secondary air supply device - Google Patents
Secondary air supply deviceInfo
- Publication number
- JPS58132122U JPS58132122U JP2786582U JP2786582U JPS58132122U JP S58132122 U JPS58132122 U JP S58132122U JP 2786582 U JP2786582 U JP 2786582U JP 2786582 U JP2786582 U JP 2786582U JP S58132122 U JPS58132122 U JP S58132122U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- secondary air
- air supply
- passage
- suction
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案に従って構成された二次空気供給装置
を具備する内燃機関を図示する概略図。
２・・・・・・内燃機関、１２・・・・・・吸気路、１
４・・・・・・排気路、２２・・・・・・二次空気供給
装置、２４・・・・・・二次空気供給通路、２６・・・
・・・二次空気制御弁、２８・・・・・・負圧アクチュ
エータ、３０・・・・・・負圧通路、３２・・・・・・
三方弁、３６・・・・・・負圧室、３８・・・・・・ス
ロットルバルブ、５４・・・・・・エアタンク、５６・
・・・・・逆止弁。FIG. 1 is a schematic diagram illustrating an internal combustion engine equipped with a secondary air supply device constructed in accordance with the present invention. 2...Internal combustion engine, 12...Intake path, 1
4...Exhaust passage, 22...Secondary air supply device, 24...Secondary air supply passage, 26...
...Secondary air control valve, 28...Negative pressure actuator, 30...Negative pressure passage, 32...
Three-way valve, 36... Negative pressure chamber, 38... Throttle valve, 54... Air tank, 56...
·····non-return valve.
Claims (1)
、該二次空気供給通路を開閉するための二次空気制御弁
と、該二次空気制御弁を作動させる負圧アクチュエータ
と、吸気路のスロットルバルブ下流の吸入負圧を該負圧
アクチュエータの負圧室に伝達する負圧通路と、該負圧
通路に配設され、該負圧アクチュエータの負王室に該吸
入負圧又は大気圧を選択的に伝達せしめる三方弁とを具
備する二次空気供給装置において；′。 該負圧通路の該三方弁の上流側には該吸入負圧を蓄圧す
るエアタンクが設けられ、更に、該負圧通路の該エアタ
ンクの上流側には該吸入負圧がエアタンク側にのみ伝達
される逆止弁が配設されていることを特徴とする二次空
気供給装置。 ２ 該三方弁は内燃機関の暖機時又は高負荷時に作動せ
しめられて該吸入負圧を該負圧アクチュエータの負圧室
に伝達し、該吸入負圧の作用により該空気制御弁が開状
態となる実用新案登録請求の範囲第１項記載の二次空気
供給装置。 ３ 該三方弁は、更に、車輛の減速時にも作動せしめら
れて該吸入負圧アクチュエータの負圧室に伝達する実用
新案登録請求の範囲第２項記載の二次空気供給装置。[Claims for Utility Model Registration] 1. A secondary air supply passage connected to an exhaust passage of an internal combustion engine, a secondary air control valve for opening and closing the secondary air supply passage, and a secondary air control valve for opening and closing the secondary air supply passage. a negative pressure actuator to be operated; a negative pressure passage that transmits suction negative pressure downstream of the throttle valve in the intake passage to a negative pressure chamber of the negative pressure actuator; and a three-way valve for selectively transmitting the suction negative pressure or atmospheric pressure; An air tank for accumulating the suction negative pressure is provided on the upstream side of the three-way valve in the negative pressure passage, and further, on the upstream side of the air tank in the negative pressure passage, the suction negative pressure is transmitted only to the air tank side. A secondary air supply device characterized by being provided with a check valve. 2. The three-way valve is activated when the internal combustion engine is warmed up or under high load to transmit the suction negative pressure to the negative pressure chamber of the negative pressure actuator, and the air control valve is opened by the action of the suction negative pressure. A secondary air supply device according to claim 1 of the utility model registration claim. 3. The secondary air supply device according to claim 2, wherein the three-way valve is further operated during deceleration of the vehicle and transmits the negative pressure to the negative pressure chamber of the suction negative pressure actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2786582U JPS58132122U (en) | 1982-02-27 | 1982-02-27 | Secondary air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2786582U JPS58132122U (en) | 1982-02-27 | 1982-02-27 | Secondary air supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132122U true JPS58132122U (en) | 1983-09-06 |
Family
ID=30039742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2786582U Pending JPS58132122U (en) | 1982-02-27 | 1982-02-27 | Secondary air supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132122U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5020018B1 (en) * | 1966-12-28 | 1975-07-11 | ||
| JPS53109014A (en) * | 1977-03-04 | 1978-09-22 | Toyota Motor Corp | Secodary air feeding volume control device for internal combustion engine |
-
1982
- 1982-02-27 JP JP2786582U patent/JPS58132122U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5020018B1 (en) * | 1966-12-28 | 1975-07-11 | ||
| JPS53109014A (en) * | 1977-03-04 | 1978-09-22 | Toyota Motor Corp | Secodary air feeding volume control device for internal combustion engine |
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