JPH0246070U - - Google Patents
Info
- Publication number
- JPH0246070U JPH0246070U JP12476288U JP12476288U JPH0246070U JP H0246070 U JPH0246070 U JP H0246070U JP 12476288 U JP12476288 U JP 12476288U JP 12476288 U JP12476288 U JP 12476288U JP H0246070 U JPH0246070 U JP H0246070U
- Authority
- JP
- Japan
- Prior art keywords
- delivery valve
- valve
- equal pressure
- injection pump
- 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 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
プの等圧弁装置の要部の拡大縦断面図、第２図は
本考案の他の実施例による燃料噴射ポンプの要部
の拡大断面図、第３図は従来の等圧弁装置の縦断
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……
燃料圧室、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……等圧弁シート、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……等圧弁シート２２のスカー
ト部、２７……連通孔、２８……調整用シム、３
０……燃料噴射ポンプ、３１……デリバリバルブ
、３２……フランジ部、３３……ダンパ室部、４
０……燃料噴射ポンプ、４１……デリバリバルブ
、４２……フランジ部、４３……ダンパ室部。
FIG. 1 is an enlarged vertical cross-sectional view of a main part of an equal pressure valve device of a fuel injection pump according to an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of a main part of a fuel injection pump according to another embodiment of the present invention, FIG. 3 is a longitudinal sectional view of a conventional equal pressure valve device. 1...Fuel injection pump, 2...Delivery valve holder, 3...Fuel outlet, 4...Injection pipe, 5...
Injection nozzle, 6...Fuel injection pump body, 7...
Fuel pressure chamber, 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 seat, 23... Spring seat, 24... Equal pressure valve set spring, 25...
Orifice, 26... Skirt portion of equal pressure valve seat 22, 27... Communication hole, 28... Adjustment shim, 3
0... Fuel injection pump, 31... Delivery valve, 32... Flange section, 33... Damper chamber section, 4
0...Fuel injection pump, 41...Delivery valve, 42...Flange section, 43...Damper chamber section.
Claims (1)
バルブ内に等圧弁を収納した等圧弁装置であつて
、 前記デリバリバルブとこのデリバリバルブが着
座するデリバリバルブシートとの間にダンパ室部
を形成するように、該デリバリバルブにフランジ
部を形成し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] An equal pressure valve device in which an equal pressure valve is housed in a delivery valve that opens and closes a fuel outlet of a fuel injection pump, the claim being between the delivery valve and a delivery valve seat on which the delivery valve is seated. An equal pressure valve device for a fuel injection pump, characterized in that a flange portion is formed on the delivery valve so as to form a damper chamber portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12476288U JPH0246070U (en) | 1988-09-26 | 1988-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12476288U JPH0246070U (en) | 1988-09-26 | 1988-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246070U true JPH0246070U (en) | 1990-03-29 |
Family
ID=31374780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12476288U Pending JPH0246070U (en) | 1988-09-26 | 1988-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017002759A (en) * | 2015-06-08 | 2017-01-05 | 日立オートモティブシステムズ株式会社 | High-pressure fuel supply pump |
-
1988
- 1988-09-26 JP JP12476288U patent/JPH0246070U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017002759A (en) * | 2015-06-08 | 2017-01-05 | 日立オートモティブシステムズ株式会社 | High-pressure fuel supply pump |