JPS63171665U - - Google Patents
Info
- Publication number
- JPS63171665U JPS63171665U JP6407687U JP6407687U JPS63171665U JP S63171665 U JPS63171665 U JP S63171665U JP 6407687 U JP6407687 U JP 6407687U JP 6407687 U JP6407687 U JP 6407687U JP S63171665 U JPS63171665 U JP S63171665U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- orifice
- surplus
- eye
- reservoir chamber
- 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 38
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000013022 venting Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第1図は本考案の一実施例による燃料噴射ポン
プの自動空気抜き装置1を装備した燃料噴射ポン
プ2の系統図、第2図は同、燃料溜り室11部分
の要部断面図、第3図は第2図方向の一部切欠
き矢視図である。
1…燃料噴射ポンプの自動空気抜き装置、2…
燃料噴射ポンプ、3…カツプリング、4…燃料噴
射ノズル、5…燃料タンク、6…フユーエルフイ
ードポンプ、7…燃料供給配管、8…フイルタ、
9…燃料戻し配管、10…ガバナ、11…燃料溜
り室、12…ポンプハウジング、13…開口部、
14…アイボルト、15…アイ、16…ガスケツ
ト、17…燃料戻し通路、18…第一のオリフイ
ス、19…中央孔、20…燃料戻し配管取付け部
、21…開放通路、22…ブツシユ、23…第二
のオリフイス。
Fig. 1 is a system diagram of a fuel injection pump 2 equipped with an automatic air venting device 1 for a fuel injection pump according to an embodiment of the present invention, Fig. 2 is a sectional view of the main part of the fuel reservoir chamber 11, and Fig. 3 is a partially cutaway view taken in the direction of FIG. 2; 1...Automatic air venting device for fuel injection pump, 2...
Fuel injection pump, 3... Coupling, 4... Fuel injection nozzle, 5... Fuel tank, 6... Fuel feed pump, 7... Fuel supply piping, 8... Filter,
9...Fuel return pipe, 10...Governor, 11...Fuel reservoir chamber, 12...Pump housing, 13...Opening part,
14... Eye bolt, 15... Eye, 16... Gasket, 17... Fuel return passage, 18... First orifice, 19... Center hole, 20... Fuel return pipe attachment part, 21... Open passage, 22... Bush, 23... Third Second orifice.
Claims (1)
供給する燃料噴射ポンプの燃料溜り室から余剰の
燃料を燃料タンクへ戻すとともに上記燃料溜り室
内から空気を抜くための燃料噴射ポンプの自動空
気抜き装置であつて、 前記燃料溜り室に形成した開口部に係合する余
剰燃料戻し装置本体を設け、この余剰燃料戻し装
置本体に形成したオリフイスを介して前記燃料溜
り室内の余剰燃料および空気を前記燃料タンクへ
戻すようにしたことを特徴とする燃料噴射ポンプ
の自動空気抜き装置。 (2) 前記余剰燃料戻し装置本体は、これをアイ
ボルトおよびアイとし、このアイボルトの軸方向
中心部に形成した燃料戻し通路を前記燃料溜り室
に連通させるとともに、該燃料戻し通路に開口す
るオリフイスを前記アイボルトおよび前記アイの
いずれか一方に形成し、このオリフイスを介して
前記燃料溜り室内の余剰燃料および空気を前記燃
料タンクへ送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項に記載の燃料噴射ポン
プの自動空気抜き装置。 (3) 前記余剰燃料戻し装置本体は、これをアイ
ボルトおよびアイとし、このアイボルトの軸方向
中心部に形成した燃料戻し通路を前記燃料溜り室
に連通させるとともに、該燃料戻し通路に開口す
る第一のオリフイスを前記アイボルトに形成し、
かつ前記アイに前記第一のオリフイスに連通する
第二のオリフイスを形成し、これら第一および第
二のオリフイスを介して前記燃料溜り室内の余剰
燃料および空気を前記燃料タンクへ送るようにし
たことを特徴とする実用新案登録請求の範囲第1
項に記載の燃料噴射ポンプの自動空気抜き装置。[Scope of Claim for Utility Model Registration] (1) To return surplus fuel from the fuel reservoir of a fuel injection pump to the fuel tank and to remove air from the fuel reservoir, which appropriately supplies fuel sent from the oil feed pump to the engine. The automatic air venting device for a fuel injection pump is provided with a surplus fuel return device body that engages with an opening formed in the fuel reservoir chamber, and the surplus fuel return device body is provided with an orifice formed in the surplus fuel return device body. An automatic air venting device for a fuel injection pump, characterized in that surplus fuel and air are returned to the fuel tank. (2) The surplus fuel return device main body includes an eye bolt and an eye, a fuel return passage formed in the axial center of the eye bolt communicates with the fuel reservoir chamber, and an orifice opening into the fuel return passage. Claim 1 of the Utility Model Registration Claim, characterized in that an orifice is formed on either the eye bolt or the eye, and excess fuel and air in the fuel reservoir chamber are sent to the fuel tank through the orifice. An automatic air bleed device for a fuel injection pump as described in . (3) The surplus fuel return device main body includes an eye bolt and an eye, which communicates a fuel return passage formed at the axial center of the eye bolt with the fuel reservoir chamber, and a first opening into the fuel return passage. forming an orifice in the eye bolt;
and a second orifice communicating with the first orifice is formed in the eye, and surplus fuel and air in the fuel reservoir chamber are sent to the fuel tank via the first and second orifices. Claim 1 for utility model registration characterized by
Automatic air bleed device for fuel injection pumps as described in 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6407687U JPS63171665U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6407687U JPS63171665U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63171665U true JPS63171665U (en) | 1988-11-08 |
Family
ID=30899904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6407687U Pending JPS63171665U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63171665U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003515033A (en) * | 1999-11-13 | 2003-04-22 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219815A (en) * | 1975-08-05 | 1977-02-15 | Kubota Ltd | Pipe joint in fuel injection pump of diesel engine |
JPS5312339U (en) * | 1976-07-15 | 1978-02-01 |
-
1987
- 1987-04-30 JP JP6407687U patent/JPS63171665U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219815A (en) * | 1975-08-05 | 1977-02-15 | Kubota Ltd | Pipe joint in fuel injection pump of diesel engine |
JPS5312339U (en) * | 1976-07-15 | 1978-02-01 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003515033A (en) * | 1999-11-13 | 2003-04-22 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection system |
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