JPH01148037U - - Google Patents
Info
- Publication number
- JPH01148037U JPH01148037U JP4287188U JP4287188U JPH01148037U JP H01148037 U JPH01148037 U JP H01148037U JP 4287188 U JP4287188 U JP 4287188U JP 4287188 U JP4287188 U JP 4287188U JP H01148037 U JPH01148037 U JP H01148037U
- Authority
- JP
- Japan
- Prior art keywords
- lever
- control lever
- control
- tension
- fuel injection
- 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
- 239000000446 fuel Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る分配型燃料噴
射ポンプのアイドル安定化装置の構成図、第２図
は第１図の装置の油圧減衰装置部の拡大断面図、
第３図は別の実施例に係る油圧減衰装置部の断面
図、第４図は第１図の装置のガバナ特性を示すエ
ンジン回転数と燃料噴射量との関係図、第５図は
一般的な分配型燃料噴射ポンプの、一部９０度展
開表示した断面図、第６図は従来の分配型燃料噴
射ポンプのガバナ特性を示すエンジン回転数と燃
料噴射量との関係図、第７図は従来の分配型燃料
噴射ポンプの別のガバナ特性を示すエンジン回転
数と燃料噴射量との関係図、である。
２１……プランジヤ、２２……ポンプ内、２３
……リリーフ通路、２４……スピルリング、２５
……支点、２６……コントロールレバー、２７…
…テンシヨンレバー、２８……ダンパスプリング
、２９……コントロールスプリング、３０……ア
ジヤステイングレバー、３１，４５……アイドル
スプリング、３２……フライウエイト、３３……
ガバナスリーブ、３４……ガバナ装置、３５……
ガバナシヤフト、３６，４３……油圧減衰装置、
３７，４１……ピストン、３８，４２……シリン
ダ、３９，４４……圧縮室、４０……絞り孔。
FIG. 1 is a block diagram of an idle stabilizing device for a distributed fuel injection pump according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the hydraulic damping device section of the device shown in FIG.
Fig. 3 is a sectional view of a hydraulic damping device according to another embodiment, Fig. 4 is a relationship diagram between engine speed and fuel injection amount showing the governor characteristics of the device of Fig. 1, and Fig. 5 is a general diagram. Figure 6 is a cross-sectional view of a distribution type fuel injection pump, partially expanded at 90 degrees. Figure 6 is a diagram showing the relationship between engine speed and fuel injection amount, showing the governor characteristics of a conventional distribution type fuel injection pump. Figure 7 is a diagram showing the relationship between engine speed and fuel injection amount. FIG. 2 is a relationship diagram between engine speed and fuel injection amount showing another governor characteristic of a conventional distribution type fuel injection pump. 21... Plunger, 22... Inside the pump, 23
... Relief passage, 24 ... Spill ring, 25
...Fully point, 26...Control lever, 27...
... Tension lever, 28 ... Damper spring, 29 ... Control spring, 30 ... Adjustment lever, 31, 45 ... Idle spring, 32 ... Fly weight, 33 ...
Governor sleeve, 34... Governor device, 35...
Governor shaft, 36, 43...hydraulic damping device,
37, 41... Piston, 38, 42... Cylinder, 39, 44... Compression chamber, 40... Throttle hole.
Claims (1)
送するプランジヤと、該プランジヤ内からポンプ
内に燃料の一部を戻すリリーフ通路の開度を制御
するスピルリングと、揺動によりスピルリングの
位置を制御するコントロールレバーと、該コント
ロールレバーに対向させて配置されコントロール
レバーと同方向に揺動可能に支持されたテンシヨ
ンレバーと、コントロールレバーとテンシヨンレ
バーとの間に介装されたアイドルスプリングと、
コントロールレバーに対しアイドルスプリングと
反対側に配置されたガバナ装置と、テンシヨンレ
バーにコントロールスプリングを介して連結され
アクセルの動きに連動して誘導するアジヤステイ
ングレバーとを備えた分配型燃料噴射ポンプにお
いて、前記コントロールレバーとテンシヨンレバ
ーとの間に、前記アイドルスプリングと並列に伸
縮可能な油圧減衰装置を設け、該油圧減衰装置を
、コントロールレバー又はテンシヨンレバーのい
ずれか一方のみに固定したことを特徴とする分配
型燃料噴射ポンプのアイドル安定化装置。 A plunger that sequentially pumps fuel from inside the pump to each cylinder of the engine, a spill ring that controls the opening degree of a relief passage that returns a portion of the fuel from inside the plunger to the pump, and a spill ring that swings to control the position of the spill ring. a control lever for controlling the control lever, a tension lever disposed opposite to the control lever and supported so as to be swingable in the same direction as the control lever, and an idle spring interposed between the control lever and the tension lever. and,
In a distribution type fuel injection pump equipped with a governor device arranged on the side opposite to the idle spring with respect to the control lever, and an adjuster steering lever connected to the tension lever via the control spring and guided in conjunction with the movement of the accelerator. , a hydraulic damping device that is extendable and retractable is provided between the control lever and the tension lever in parallel with the idle spring, and the hydraulic damping device is fixed to only either the control lever or the tension lever. Features an idle stabilization device for distributed fuel injection pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4287188U JPH01148037U (en) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4287188U JPH01148037U (en) | 1988-04-01 | 1988-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01148037U true JPH01148037U (en) | 1989-10-13 |
Family
ID=31269273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4287188U Pending JPH01148037U (en) | 1988-04-01 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148037U (en) |
-
1988
- 1988-04-01 JP JP4287188U patent/JPH01148037U/ja active Pending
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