JPS59165937U - Diesel engine fuel injection amount control device - Google Patents
Diesel engine fuel injection amount control deviceInfo
- Publication number
- JPS59165937U JPS59165937U JP6046683U JP6046683U JPS59165937U JP S59165937 U JPS59165937 U JP S59165937U JP 6046683 U JP6046683 U JP 6046683U JP 6046683 U JP6046683 U JP 6046683U JP S59165937 U JPS59165937 U JP S59165937U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- fuel injection
- detection means
- injection amount
- control device
- 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
- High-Pressure Fuel Injection Pump Control (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (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図は本考案に係るディーゼルエンジンの燃料噴射量
制御装置の実施例を示す一部ブロック図を含む断面図、
第２図は本考案の第２実施例を示す一部ブロック図を含
む断面図である。
１・・・デーゼルエンシン、２・・・大気圧室、３・・
・高度補償装置、４・・・燃料噴射量制御装置、５・・
・負圧源、６・・・吸気温度検知手段、７・・・熱料温
度検知手段、８・・・負圧切換弁、９・・・インテーク
マニホールド、１０・・・インジェクションポンプ、１
１・・・制御回路、１１Ａ・・・アンドゲート、１２・
・・定圧バルブ、２１・・・燃料噴射弁、４１・・・高
負荷検知手段、４６・・・吸気温度感知弁、４７・・・
燃料温度感知弁。FIG. 1 is a sectional view including a partial block diagram showing an embodiment of a fuel injection amount control device for a diesel engine according to the present invention;
FIG. 2 is a sectional view, including a partial block diagram, showing a second embodiment of the present invention. 1... Diesel engine, 2... Atmospheric pressure chamber, 3...
・Altitude compensation device, 4...Fuel injection amount control device, 5...
-Negative pressure source, 6...Intake air temperature detection means, 7...Heating material temperature detection means, 8...Negative pressure switching valve, 9...Intake manifold, 10...Injection pump, 1
1...Control circuit, 11A...And gate, 12.
... constant pressure valve, 21 ... fuel injection valve, 41 ... high load detection means, 46 ... intake air temperature sensing valve, 47 ...
Fuel temperature sensing valve.
Claims (1)
室に導入される大気圧変化に応動する高度補償装置によ
り規制して、最大燃料噴射量を制御するディーゼルエン
ジンの燃料噴射量制御装置において、負圧源と、エンジ
ンへの吸入空気温度を検出する吸気温度検知手段と、噴
射されるべき燃料の温度を検出する燃料温度検知手段と
、前記負圧源と前記高度補償装置の大気圧室との間に介
在され、前記吸気温度検知手段による検知温度が一定値
以上、且つ、前記燃料温度検知手段による検知温度が一
定値未満の条件の時、前記負圧源の出力負圧を前記大気
圧室に導入し、且つ、前記条件以外の時には前記大気圧
室に大気圧を導入するように切換えられる負圧切換弁と
、を設けたことを特徴とするディーゼルエンジンの燃料
噴射量制御装置。 （２）エンジンが高負荷運転状態か否かを検知する高負
荷検知手段を設けるとともに、前記負圧切換弁を、該高
負荷検知手段がエンジンの高負荷運転状態を検知し、且
つ前記吸気温度検知手段による検知温度が一定値以上、
前記燃料温度検知手段による検知温度が一定値未満の時
、前記大気圧室に前記負圧源の負圧を導入するようにし
たことを特徴とする実用新案登録請求の範囲第１項記載
のディーゼルエンジンの燃料噴射量制御装置。 （３）前記高負荷検知手段、吸気温度検知手段および燃
料温度検知手段からの出力信号が入力され、高負荷状態
で、吸気温度が所定値以上および燃料温度か所定値未満
の信号が入力された時、前記負圧切換弁を前記負圧源側
に切換える信号を出力する制御回路を設けたこと番特徴
とする実用新案登録請求の範囲第１項又は第２項記載の
・ ディーゼルエンジンの燃料噴射量制御装置。 （４）前記吸気温度検知手段および燃料温度検知手段と
、前記負圧切換弁を、前記負圧源と大気圧室との間に直
列に介在された、吸気温度感知弁および燃料温度感知弁
から構成したこ−とを特徴とする実用新案登録請求の範
囲第１項又は第２項記載のディーゼルエンジンの燃料噴
射量制御装置。 ゛（５）前記負圧源と負圧切換弁との間に該負圧源から
入力される負圧を、一定の負圧として出力する定圧弁を
配置したことを特徴とする実用新案登録請求の範囲第１
項ないし第４項のうちいずかに記載のディーゼルエンジ
ンの燃料噴射量制御装置。 （６）前記負圧切換弁を手動操作により切換え可能とし
たことを特徴とする実用新案登録請求の範囲第１項ない
し第５項のうちいずれかに記載のディーゼルエンジンの
燃料噴射量制御装置。[Scope of claim for utility model registration] (1) A diesel engine that controls the maximum fuel injection amount by regulating the maximum fuel injection amount by an altitude compensation device that is introduced into an atmospheric pressure chamber and responds to changes in atmospheric pressure. In the fuel injection amount control device, a negative pressure source, an intake air temperature detection means for detecting the temperature of intake air to the engine, a fuel temperature detection means for detecting the temperature of the fuel to be injected, the negative pressure source and the The negative pressure source is interposed between the atmospheric pressure chamber of the altitude compensation device, and when the temperature detected by the intake air temperature detection means is above a certain value and the temperature detected by the fuel temperature detection means is less than a certain value, the negative pressure source a negative pressure switching valve that is switched to introduce the output negative pressure into the atmospheric pressure chamber and to introduce atmospheric pressure into the atmospheric pressure chamber when the conditions are other than the above conditions. fuel injection amount control device. (2) A high load detection means is provided for detecting whether or not the engine is in a high load operating state, and the negative pressure switching valve is set so that the high load detecting means detects the high load operating state of the engine and the intake air temperature is The temperature detected by the detection means is above a certain value,
The diesel engine according to claim 1, wherein negative pressure from the negative pressure source is introduced into the atmospheric pressure chamber when the temperature detected by the fuel temperature detection means is less than a certain value. Engine fuel injection amount control device. (3) Output signals from the high load detection means, intake air temperature detection means, and fuel temperature detection means are input, and in a high load state, a signal indicating that the intake air temperature is above a predetermined value and the fuel temperature is less than the predetermined value is input. Fuel injection for a diesel engine according to claim 1 or 2, characterized in that a control circuit is provided for outputting a signal for switching the negative pressure switching valve to the negative pressure source side when Volume control device. (4) The intake air temperature sensing means, the fuel temperature sensing means, and the negative pressure switching valve are connected to an intake air temperature sensing valve and a fuel temperature sensing valve that are interposed in series between the negative pressure source and the atmospheric pressure chamber. A fuel injection amount control device for a diesel engine as set forth in claim 1 or 2 of the utility model registration claim. (5) A request for registration of a utility model characterized in that a constant pressure valve is arranged between the negative pressure source and the negative pressure switching valve to output the negative pressure input from the negative pressure source as a constant negative pressure. range 1
A fuel injection amount control device for a diesel engine according to any one of items 1 to 4. (6) The fuel injection amount control device for a diesel engine according to any one of claims 1 to 5, wherein the negative pressure switching valve is switchable by manual operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6046683U JPS59165937U (en) | 1983-04-22 | 1983-04-22 | Diesel engine fuel injection amount control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6046683U JPS59165937U (en) | 1983-04-22 | 1983-04-22 | Diesel engine fuel injection amount control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59165937U true JPS59165937U (en) | 1984-11-07 |
Family
ID=30190703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6046683U Pending JPS59165937U (en) | 1983-04-22 | 1983-04-22 | Diesel engine fuel injection amount control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59165937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0365831U (en) * | 1989-10-30 | 1991-06-26 | ||
| JPWO2017073273A1 (en) * | 2015-10-28 | 2018-06-07 | 日立オートモティブシステムズ株式会社 | Internal combustion engine control device |
-
1983
- 1983-04-22 JP JP6046683U patent/JPS59165937U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0365831U (en) * | 1989-10-30 | 1991-06-26 | ||
| JPWO2017073273A1 (en) * | 2015-10-28 | 2018-06-07 | 日立オートモティブシステムズ株式会社 | Internal combustion engine control device |
| US10519891B2 (en) | 2015-10-28 | 2019-12-31 | Hitachi Automotive Systems, Ltd. | Control device for internal combustion engine |
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