JPH0319465U - - Google Patents
Info
- Publication number
- JPH0319465U JPH0319465U JP14758788U JP14758788U JPH0319465U JP H0319465 U JPH0319465 U JP H0319465U JP 14758788 U JP14758788 U JP 14758788U JP 14758788 U JP14758788 U JP 14758788U JP H0319465 U JPH0319465 U JP H0319465U
- Authority
- JP
- Japan
- Prior art keywords
- pressure valve
- equal
- valve
- delivery
- equal pressure
- 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
- 239000000446 fuel Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
Landscapes
- 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
ンプの等圧弁装置の縦断面図、第２図は、本考案
の他の実施例による燃料噴射ポンプの等圧弁装置
３０の要部縦断面図、第３図は、第２図の−
線拡大断面図である。
１……燃料噴射ポンプ、２……デリバリバルブ
ホルダ、３……燃料出口、４……噴射管、５……
噴射ノズル、６……燃料噴射ポンプ本体、７……
分配通路、８……デリバリバルブシート、９……
デリバリバルブ、１０……デリバリバルブ９のロ
ツド部、１１……デリバリバルブ９のシート部、
１２……デリバリバルブ９の円筒部、１３……羽
根部、１４……燃料吐出用通路、１５……スプリ
ングストツパ、１６……デリバリバルブセツトス
プリング、１７……シート面、１８……等圧弁、
１９……等圧弁収納室、２０……燃料戻し用通路
、２１……ボールバルブ（等圧弁１８の弁体）、
２２……等圧弁ホルダ、２２Ａ……等圧弁ホルダ
２２の等圧弁シート部、２３……スプリングシー
ト、２４……等圧弁セツトスプリング、２５……
オリフイス、２６……等圧弁ホルダ２２のスカー
ト部、２７……連通孔、２８……ストツパー用段
部、３０……等圧弁装置、３１……デリバリバル
ブ、３２……シート用案内傾斜部（シート用案内
部）、３３……シート用内底面、３４……等圧弁
ホルダ、３５……スプリングシート、３６……連
通用の切欠き、Ｔ……スカート部２６の厚み、ｔ
……シート用案内傾斜部３２の厚み。
FIG. 1 is a longitudinal cross-sectional view of an equal pressure valve device for a fuel injection pump according to an embodiment of the present invention, and FIG. 2 is a longitudinal cross-sectional view of essential parts of an equal pressure valve device 30 for a fuel injection pump according to another embodiment of the present invention. Fig. 3 is the − of Fig. 2.
It is a line enlarged sectional view. 1...Fuel injection pump, 2...Delivery valve holder, 3...Fuel outlet, 4...Injection pipe, 5...
Injection nozzle, 6...Fuel injection pump body, 7...
Distribution passage, 8...Delivery valve seat, 9...
Delivery valve, 10... Rod portion of the delivery valve 9, 11... Seat portion of the delivery valve 9,
12... Cylindrical part of delivery valve 9, 13... Vane part, 14... Fuel discharge passage, 15... Spring stopper, 16... Delivery valve set spring, 17... Seat surface, 18... Equal pressure valve ,
19... Equal pressure valve storage chamber, 20... Fuel return passage, 21... Ball valve (valve body of equal pressure valve 18),
22... Equal pressure valve holder, 22A... Equal pressure valve seat portion of the equal pressure valve holder 22, 23... Spring seat, 24... Equal pressure valve set spring, 25...
Orifice, 26...Skirt portion of equal pressure valve holder 22, 27...Communication hole, 28...Step for stopper, 30...Isometric valve device, 31...Delivery valve, 32...Guiding inclined portion for seat (seat 33... Inner bottom surface for seat, 34... Equal pressure valve holder, 35... Spring seat, 36... Notch for communication, T... Thickness of skirt portion 26, t
...Thickness of the sheet guide inclined portion 32.
Claims (1)
バリバルブに設ける等圧弁装置であつて、 前記デリバリバルブに、等圧弁を収納用の等圧
弁収納室を形成する円筒部を設けるとともに、前
記等圧弁の弁体がシートする等圧弁シート部を有
する等圧弁ホルダには円筒状のスカート部を形成
し、このスカート部を前記デリバリバルブの前記
円筒部に圧入し、かつ前記弁体およびこの弁体を
付勢する等圧弁セツトスプリングをこのスカート
部の内方に位置させたことを特徴とする燃料噴射
ポンプの等圧弁装置、 (2) 燃料噴射ポンプの燃料出口を開閉するデリ
バリバルブに設ける等圧弁装置であつて、 前記デリバリバルブに、等圧弁を収納用の等圧
弁収納室を形成する円筒部を設け、該円筒部の内
壁面にストツパー用段部を形成するとともに、前
記等圧弁の弁体がシートする等圧弁シート部を有
する等圧弁ホルダには円筒状のスカート部を形成
し、このスカート部を前記デリバリバルブの前記
ストツパー用段部に向かつて前記円筒部に圧入可
能とし、かつ前記弁体およびこの弁体を付勢する
等圧弁セツトスプリングをこのスカート部の内方
に位置させたことを特徴とする燃料噴射ポンプの
等圧弁装置。[Scope of Claim for Utility Model Registration] (1) An equal-pressure valve device provided in a delivery valve for opening and closing a fuel outlet of a fuel injection pump, wherein the delivery valve includes a cylinder forming an equal-pressure valve storage chamber for storing the equal-pressure valve. A cylindrical skirt portion is formed in the equal pressure valve holder having an equal pressure valve seat portion on which the valve body of the equal pressure valve seats, and the skirt portion is press-fitted into the cylindrical portion of the delivery valve, and An equal-pressure valve device for a fuel injection pump, characterized in that the valve body and an equal-pressure valve set spring that biases the valve body are located inside the skirt portion, (2) opening and closing the fuel outlet of the fuel injection pump; An equal pressure valve device provided in a delivery valve, wherein the delivery valve is provided with a cylindrical part forming an equal pressure valve storage chamber for storing the equal pressure valve, and a step part for a stopper is formed on the inner wall surface of the cylindrical part. , a cylindrical skirt portion is formed in an equal pressure valve holder having an equal pressure valve seat portion on which a valve element of the equal pressure valve seats, and the skirt portion is directed toward the stopper step portion of the delivery valve and is attached to the cylindrical portion. 1. An equal-pressure valve device for a fuel injection pump, which is press-fittable and characterized in that the valve element and an equal-pressure valve set spring that biases the valve element are located inside the skirt portion.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988147587U JPH059499Y2 (en) | 1988-01-18 | 1988-11-14 | |
| EP19890100735 EP0325211B1 (en) | 1988-01-18 | 1989-01-17 | Pressure equalizer valve device |
| DE68916267T DE68916267T2 (en) | 1988-01-18 | 1989-01-17 | Pressure compensation valve. |
| US07/298,104 US4926902A (en) | 1988-01-18 | 1989-01-17 | Pressure equalizer valve device of fuel injection pump |
| KR1019890000478A KR900001966A (en) | 1988-01-18 | 1989-01-18 | Isostatic valve device for fuel injection pump |
| KR929204312U KR920004746Y1 (en) | 1988-01-18 | 1992-03-18 | Pressure equalizer valve device of fuel injection pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP382188 | 1988-01-18 | ||
| JP1988147587U JPH059499Y2 (en) | 1988-01-18 | 1988-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0319465U true JPH0319465U (en) | 1991-02-26 |
| JPH059499Y2 JPH059499Y2 (en) | 1993-03-09 |
Family
ID=31717046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988147587U Expired - Lifetime JPH059499Y2 (en) | 1988-01-18 | 1988-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH059499Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56115849A (en) * | 1980-02-15 | 1981-09-11 | Nippon Denso Co Ltd | Fuel injection pump for internal combustion engine |
| JPS595766U (en) * | 1982-06-30 | 1984-01-14 | ヤンマーディーゼル株式会社 | Cavitation prevention fuel injection pump |
| JPS60119366A (en) * | 1983-11-17 | 1985-06-26 | 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 | Pressure valve for fuel jet pump |
| JPS6173074U (en) * | 1984-10-17 | 1986-05-17 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595766B2 (en) * | 1975-12-06 | 1984-02-07 | 株式会社クボタ | Hikisouchi |
-
1988
- 1988-11-14 JP JP1988147587U patent/JPH059499Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56115849A (en) * | 1980-02-15 | 1981-09-11 | Nippon Denso Co Ltd | Fuel injection pump for internal combustion engine |
| JPS595766U (en) * | 1982-06-30 | 1984-01-14 | ヤンマーディーゼル株式会社 | Cavitation prevention fuel injection pump |
| JPS60119366A (en) * | 1983-11-17 | 1985-06-26 | 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 | Pressure valve for fuel jet pump |
| JPS6173074U (en) * | 1984-10-17 | 1986-05-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059499Y2 (en) | 1993-03-09 |