JPH0387971U - - Google Patents
Info
- Publication number
- JPH0387971U JPH0387971U JP14963089U JP14963089U JPH0387971U JP H0387971 U JPH0387971 U JP H0387971U JP 14963089 U JP14963089 U JP 14963089U JP 14963089 U JP14963089 U JP 14963089U JP H0387971 U JPH0387971 U JP H0387971U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sub
- advance mechanism
- ignition timing
- advance
- 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
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Description
図面は本考案の実施例を示し、第１図は第１実
施例を示す図、第２図は進角機構の拡大断面図、
第３図は第２実施例を示す図、第４図は第３実施
例を示す図である。
１……吸気マニホールド、２……気化器、３…
…スロツトル弁、４……デイストリビユータ、７
……メイン進角機構、１５……メイン進角機構の
圧力室、８……サブ進角機構、１８……サブ進角
機構の圧力室、２２……アドバンスポート、２３
……メイン負圧伝達通路、２４……負圧ポート、
２５……サブ負圧伝達通路、２６……アイドルア
ツプ用ダツシユポツト、２７……ダツシユポツト
の圧力室、３３……負圧伝達通路、３４……正圧
ポート、３５，３８，４０……圧力伝達通路、３
６，３６ａ，３６ｂ……切換弁。
The drawings show an embodiment of the present invention, FIG. 1 is a diagram showing the first embodiment, FIG. 2 is an enlarged sectional view of the advance angle mechanism,
FIG. 3 is a diagram showing the second embodiment, and FIG. 4 is a diagram showing the third embodiment. 1... Intake manifold, 2... Carburetor, 3...
...Throttle valve, 4...Distributor, 7
...Main advance mechanism, 15...Pressure chamber of main advance mechanism, 8...Sub advance mechanism, 18...Pressure chamber of sub advance mechanism, 22...Advance port, 23
...Main negative pressure transmission passage, 24...Negative pressure port,
25... Sub negative pressure transmission passage, 26... Dashpot for idle up, 27... Pressure chamber of the dart pot, 33... Negative pressure transmission passage, 34... Positive pressure port, 35, 38, 40... Pressure transmission passage. ,3
6, 36a, 36b...Switching valve.
Claims (1)
機構を設ける一方、デイストリビユータに、圧力
室に負圧が作用すると点火時期を進角するように
したサブ進角機構と、圧力室に負圧が作用すると
前記サブ進角機構で進角した点火時期を更に進角
するようにしたメイン進角機構とを連結し、前記
サブ進角機構における圧力室に、前記スロツトル
弁より下流における負圧ポートからのサブ負圧伝
達通路を、前記メイン進角機構における圧力室に
、前記スロツトル弁の閉位置よりやや上流側の部
位に設けたアドバンスポートからのメイン負圧伝
達通路を各々接続して成る内燃機関において、前
記サブ進角機構における圧力室及び前記メイン進
角機構における圧力室のうち少なくともいずれか
一方の圧力室に、前記アドバンスポートより上流
側等における略大気圧を取り入れるための正圧ポ
ートからの圧力伝達通路を接続し、この圧力伝達
通路中に、エアコンデイシヨナーを作動するか又
は自動変速機構をドライブレンジに操作したとき
開き作動するようにした切換弁を設けたことを特
徴とする内燃機関における点火時期の制御装置。 The throttle valve in the intake path is equipped with an idle-up mechanism, while the distributor is equipped with a sub-advance mechanism that advances the ignition timing when negative pressure acts on the pressure chamber, and a sub-advance mechanism that advances the ignition timing when negative pressure acts on the pressure chamber. Then, the ignition timing advanced by the sub-advance mechanism is connected to the main advance mechanism which further advances the ignition timing, and the pressure chamber of the sub-advance mechanism is supplied with air from the negative pressure port downstream of the throttle valve. In an internal combustion engine, a sub negative pressure transmission passage is connected to a pressure chamber in the main advance mechanism, and a main negative pressure transmission passage from an advance port provided at a portion slightly upstream of the closed position of the throttle valve. , pressure from a positive pressure port for introducing substantially atmospheric pressure on the upstream side of the advance port into at least one of the pressure chambers in the sub-advance mechanism and the pressure chamber in the main advance mechanism; An internal combustion engine, characterized in that a transmission passage is connected to the pressure transmission passage, and a switching valve is provided in the pressure transmission passage, and the switching valve is opened and operated when an air conditioner is operated or an automatic transmission mechanism is operated to a drive range. ignition timing control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14963089U JPH0387971U (en) | 1989-12-25 | 1989-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14963089U JPH0387971U (en) | 1989-12-25 | 1989-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387971U true JPH0387971U (en) | 1991-09-09 |
Family
ID=31696009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14963089U Pending JPH0387971U (en) | 1989-12-25 | 1989-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009273975A (en) * | 2008-05-13 | 2009-11-26 | Toyobo Co Ltd | System for treatment of gas containing organic solvent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595736B2 (en) * | 1977-04-18 | 1984-02-07 | 日本軽金属株式会社 | Watertight structure of curtain wall |
| JPS6053618A (en) * | 1983-09-05 | 1985-03-27 | Toyota Motor Corp | Flow passage controller for suction port |
-
1989
- 1989-12-25 JP JP14963089U patent/JPH0387971U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595736B2 (en) * | 1977-04-18 | 1984-02-07 | 日本軽金属株式会社 | Watertight structure of curtain wall |
| JPS6053618A (en) * | 1983-09-05 | 1985-03-27 | Toyota Motor Corp | Flow passage controller for suction port |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009273975A (en) * | 2008-05-13 | 2009-11-26 | Toyobo Co Ltd | System for treatment of gas containing organic solvent |
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