JPS59111936U - distribution type fuel injection pump - Google Patents
distribution type fuel injection pumpInfo
- Publication number
- JPS59111936U JPS59111936U JP503683U JP503683U JPS59111936U JP S59111936 U JPS59111936 U JP S59111936U JP 503683 U JP503683 U JP 503683U JP 503683 U JP503683 U JP 503683U JP S59111936 U JPS59111936 U JP S59111936U
- Authority
- JP
- Japan
- Prior art keywords
- injection pump
- distribution type
- fuel injection
- governor
- type fuel
- 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
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図は従来のロードセンシングタイマ付分配型燃料噴
射ポンプの一例を示す構成図、第２図はロードセンシン
グタイマの動作説明図、第３図は第１図に示す噴射ポン
プのタイマ進角特性図、第４図は本考案の第１の実施例
を示す構成図、第５図は第４図に示したガバナスリーブ
部の平面図、第６図は本考案の第１の実施例により得ら
れる燃料噴射特性および進角特性図、第７図は第１の実
施例の負荷に対する遅角量特性図、第８図は本考案の第
２の実施例を示す平面図、第９図は第２の実施例により
得られる進角特性図、第１０図は本考案の第３の実施例
を示す構成図、第１１図は第３の実施例により得られる
燃料噴射特性および進角特性図である。
１・・・フライウェイト、２・・・燃料流通路、３・・
・ガバナシャフト、４・・・ガバナスリーブ、７・・・
フィードポンプ、８・・・レギュレーティングバルブ、
９°°。
タイマ、５１： ５２，５３・・・ポート、２０・・
・電磁弁、２１・・・制御部、９１・・・タイマピスト
ン。
第１図
第２図
、ｒンア回転
第５図
ｒ全能’ｌ＋’
−第７図Figure 1 is a configuration diagram showing an example of a conventional distribution type fuel injection pump with a load sensing timer, Figure 2 is an explanatory diagram of the operation of the load sensing timer, and Figure 3 is the timer advance characteristic of the injection pump shown in Figure 1. 4 is a block diagram showing the first embodiment of the present invention, FIG. 5 is a plan view of the governor sleeve portion shown in FIG. 4, and FIG. 6 is a block diagram showing the first embodiment of the present invention. FIG. 7 is a diagram showing the retardation amount characteristics with respect to the load of the first embodiment, FIG. 8 is a plan view showing the second embodiment of the present invention, and FIG. FIG. 10 is a configuration diagram showing the third embodiment of the present invention, and FIG. 11 is a diagram of the fuel injection characteristics and advance angle characteristics obtained by the third embodiment. be. 1... fly weight, 2... fuel flow passage, 3...
・Governor shaft, 4...Governor sleeve, 7...
Feed pump, 8...regulating valve,
9°°. Timer, 51: 52, 53... Port, 20...
- Solenoid valve, 21...control unit, 91...timer piston. Figure 1 Figure 2, Rotation Figure 5 r Almighty 'l+' - Figure 7
Claims (4)
動するフライウェイトと、ガバナシャフトの外周を前記
フライウェイトに駆動されて移動するガバナスリーブと
、該ガバナスリーブの所定の移動位置でポンプ室内とレ
ギュレーティングバルブとをオリフィス部によって連通
させエンジン負荷に応じてタイマーを作動させることに
より噴射タイミングをコントロールするロードセンシン
グタイマとを具備する分配型噴射ポンプにおいて、前記
オリフィス部を構成する第１のポートを前記ガバナスリ
ーブの燃料通路端位置に穿設すると共に、第２のポート
を前記ガバナスリーブのエンジンが高負荷状態にあると
きにのみ前記第１のポートと連通ずる位置に穿設したこ
とを特徴とする分配型燃料噴射ポンプ。(1) A flyweight that operates by centrifugal force as the engine speed increases, a governor sleeve that moves around the outer periphery of the governor shaft driven by the flyweight, and a pump chamber and regulator at a predetermined movement position of the governor sleeve. In a distribution type injection pump equipped with a load sensing timer that communicates with a rating valve through an orifice part and controls injection timing by operating a timer according to engine load, the first port constituting the orifice part is connected to the A second port is formed at the end of the fuel passage of the governor sleeve, and a second port is formed at a position in the governor sleeve that communicates with the first port only when the engine is in a high load state. Distribution type fuel injection pump.
１および第２のポートは、ガバナシャフトおよびガバナ
スリーブの長手方向に対し垂直に且つ円周方向に所定間
隔をもって複数個のホールを設けて構成することを特徴
とする分配型燃料噴射ポンプ。(2) Utility Model Registration Scope of Claim 1 In claim 1, the first and second ports are provided with a plurality of holes perpendicular to the longitudinal direction of the governor shaft and the governor sleeve and at predetermined intervals in the circumferential direction. A distribution type fuel injection pump characterized by comprising:
記第１および第２のポートは、ガバナシャフトおよびガ
バナスリーブの長手方向に対し垂直かつ長手方向に相互
に所定の間隔をもって複数個のホールを配設して構成す
ることを特徴とする分配型燃料噴射ポンプ。(3) Utility model registration In claim 1, the first and second ports have a plurality of holes perpendicular to the longitudinal direction of the governor shaft and the governor sleeve and spaced at predetermined intervals from each other in the longitudinal direction. A distribution type fuel injection pump characterized by being arranged and configured.
記オリフィス部と前記レギュレーティングバルブとの間
の通路中に、エンジン回転数が設定回転数を越えたとき
に閉じられる電磁弁を設けたことを特徴とする分配型燃
料噴射ポンプ。(4) In claim 1 of the utility model registration claim, a solenoid valve that is closed when the engine speed exceeds a set speed is provided in the passage between the orifice portion and the regulating valve. A distribution type fuel injection pump featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP503683U JPS59111936U (en) | 1983-01-18 | 1983-01-18 | distribution type fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP503683U JPS59111936U (en) | 1983-01-18 | 1983-01-18 | distribution type fuel injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59111936U true JPS59111936U (en) | 1984-07-28 |
| JPH0511329Y2 JPH0511329Y2 (en) | 1993-03-19 |
Family
ID=30136627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP503683U Granted JPS59111936U (en) | 1983-01-18 | 1983-01-18 | distribution type fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59111936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216031A (en) * | 1987-12-31 | 1989-08-30 | Robert Bosch Gmbh | Fuel injection pump for internal combustion engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724425A (en) * | 1980-07-22 | 1982-02-09 | Toyota Motor Corp | Fuel injection timing controller for diesel engine |
| JPS5797128U (en) * | 1980-12-05 | 1982-06-15 |
-
1983
- 1983-01-18 JP JP503683U patent/JPS59111936U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724425A (en) * | 1980-07-22 | 1982-02-09 | Toyota Motor Corp | Fuel injection timing controller for diesel engine |
| JPS5797128U (en) * | 1980-12-05 | 1982-06-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216031A (en) * | 1987-12-31 | 1989-08-30 | Robert Bosch Gmbh | Fuel injection pump for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0511329Y2 (en) | 1993-03-19 |
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