JPS58100272U - Internal combustion engine ignition timing control device - Google Patents
Internal combustion engine ignition timing control deviceInfo
- Publication number
- JPS58100272U JPS58100272U JP19712981U JP19712981U JPS58100272U JP S58100272 U JPS58100272 U JP S58100272U JP 19712981 U JP19712981 U JP 19712981U JP 19712981 U JP19712981 U JP 19712981U JP S58100272 U JPS58100272 U JP S58100272U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- control device
- advance
- combustion engine
- internal combustion
- 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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Electrical Control Of Ignition Timing (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図は本考案に係る点火時期制御装置の一実施例が配
設された内燃機関の管路図、第２図は本考案に係る点火
時期制御装置の他の実施例が配設された内燃機関の管路
図である。
２・・・・・・スロットル弁、３・・・・・・アドバン
スポート、４・・・・・・ＥＧＲポート、６・・・・・
・負圧制御装置、１１・・・・・・メイン進角室、１２
・・曲サブ進角室、１７・・・・・・第１の負圧管路、
１８・・・・・・負圧制御弁、１９・・・ ′・・・
第３の負圧管路、２８・・・・・・第５の負圧管路、３
０・・・・・・負圧制御弁、３９・・・・・・第８の負
圧管路。Fig. 1 is a pipe diagram of an internal combustion engine in which one embodiment of the ignition timing control device according to the present invention is installed, and Fig. 2 shows a pipe diagram in which another embodiment of the ignition timing control device according to the present invention is installed. FIG. 2 is a duct diagram of an internal combustion engine. 2...Throttle valve, 3...Advance port, 4...EGR port, 6...
・Negative pressure control device, 11... Main advance angle chamber, 12
... Curved sub-advance chamber, 17... First negative pressure pipe line,
18...Negative pressure control valve, 19...'...
Third negative pressure pipe line, 28...Fifth negative pressure pipe line, 3
0... Negative pressure control valve, 39... Eighth negative pressure conduit.
Claims (1)
に形成されたアドバンスポートに負圧管路を介して接続
されたメイン進角室、サブ進角室を有する負圧制御装置
と、前記アドバンスポートと負圧制御装置のメイン進角
室を接続する負圧管路の途中に配設された負圧制御弁を
備えて成り、該負圧制御弁は、アドバンスポートと、該
アドバンスポートより更に上流側に形成されたＥＧＲポ
ートに発生する負圧の差圧が所定値を越えたときにのみ
、前記アドバンスポートに発生する負圧を負圧制御装置
のメイン進角室に導入し、常時は該メイン進角室・に大
気圧を導入するよう構成されていることを特徴とする内
燃機関の点火時期側御装置。A negative pressure control device includes a main advance chamber and a sub-advance chamber connected via a negative pressure pipe to an advance port formed upstream of the throttle valve idling opening in the intake passage; A negative pressure control valve is provided in the middle of a negative pressure pipe connecting the main advance chamber of the pressure control device, and the negative pressure control valve is formed at an advance port and further upstream from the advance port. The negative pressure generated in the advance port is introduced into the main advance chamber of the negative pressure control device only when the differential pressure of the negative pressure generated in the EGR port exceeds a predetermined value. An ignition timing side control device for an internal combustion engine, characterized in that it is configured to introduce atmospheric pressure into a chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19712981U JPS58100272U (en) | 1981-12-28 | 1981-12-28 | Internal combustion engine ignition timing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19712981U JPS58100272U (en) | 1981-12-28 | 1981-12-28 | Internal combustion engine ignition timing control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58100272U true JPS58100272U (en) | 1983-07-07 |
| JPS6131177Y2 JPS6131177Y2 (en) | 1986-09-10 |
Family
ID=30110345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19712981U Granted JPS58100272U (en) | 1981-12-28 | 1981-12-28 | Internal combustion engine ignition timing control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100272U (en) |
-
1981
- 1981-12-28 JP JP19712981U patent/JPS58100272U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6131177Y2 (en) | 1986-09-10 |
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