JP2005256638A - 電磁式燃料噴射弁 - Google Patents
電磁式燃料噴射弁 Download PDFInfo
- Publication number
- JP2005256638A JP2005256638A JP2004065983A JP2004065983A JP2005256638A JP 2005256638 A JP2005256638 A JP 2005256638A JP 2004065983 A JP2004065983 A JP 2004065983A JP 2004065983 A JP2004065983 A JP 2004065983A JP 2005256638 A JP2005256638 A JP 2005256638A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- journal
- valve seat
- housing
- seat
- 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
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】テーパ状に形成される弁座13に着座する弁部19aが仮想球面Sに沿う半球状に形成され、弁ハウジング8のガイド孔14に摺接可能な摺動面45を有する第1ジャーナル部21は、弁軸部19bの軸線に直交して弁部19aの球面中心Cを通る平面Pが摺動面45の幅内に位置するようにして、弁軸部19bに設けられる。
【選択図】 図2
Description
図4において、第1ジャーナル部21における摺動面45の周方向複数箇所には、燃料の流通を許容する平面状の面取り部45a…が形成され、燃料通路25の横孔24b…から弁ハウジング8内に流出した燃料は、前記面取り部45a…および弁ハウジング8間を流通して弁座13側に流れることになる。
13・・・弁座
14,15・・・ガイド孔
18・・・可動コア
19・・・弁体
19a・・・弁部
19b・・・弁軸部
20・・・弁組立体
21・・・第1ジャーナル部
22・・・第2ジャーナル部
23・・・縦孔
24b・・・横孔
25・・・燃料通路
28・・・固定コア
45・・・摺動面
45a・・・面取り部
C・・・球面中心
P・・・平面
S・・・仮想球面
Claims (3)
- 前端部に弁座(13)を有する弁ハウジング(8)の後端に固定コア(28)が連設され、前記弁座(13)に着座可能な弁部(19a)ならびに該弁部(19a)に連なる弁軸部(19b)を有する弁体(19)と、前記固定コア(28)に対向する固定コア(18)とが一体に連なって成る弁組立体(20)が、前記弁部(19a)を前記弁座(13)に着座させる側にばね付勢されて前記弁ハウジング(8)に収容され、前記弁座(13)寄りの第1ジャーナル部(21)と、第1ジャーナル部(21)から軸方向後方側に離間した第2ジャーナル部(22)とが、前記弁ハウジング(8)に設けられるガイド孔(14,15)で摺動可能に支承されるようにして前記弁組立体(20)に設けられる電磁式燃料噴射弁において、テーパ状に形成される前記弁座(13)に着座する前記弁部(19a)が仮想球面(S)に沿う半球状に形成され、弁ハウジング(8)のガイド孔(14)に摺接可能な摺動面(45)を有する第1ジャーナル部(21)は、前記弁軸部(19b)の軸線に直交して前記弁部(19a)の球面中心(C)を通る平面(P)が前記摺動面(45)の幅内に位置するようにして、前記弁軸部(19b)に設けられることを特徴とする電磁式燃料噴射弁。
- 前記摺動面(45)の半径が、前記仮想球面(S)の半径よりも小さく設定されることを特徴とする請求項1記載の電磁式燃料噴射弁。
- 前記弁座(13)に前記弁部(19a)が着座したときのシール直径よりも前記弁軸部(19b)の直径が小さく設定され、前記シール直径よりも大きな直径を有する前記摺動面(45)の周方向複数箇所に、燃料の流通を許容する面取り部(45a)が形成され、前記弁組立体(20)に、後端を開放するとともに前端を閉じて前記弁軸部(19b)と同軸に延びる縦孔(23)と、第1ジャーナル部(21)よりも後方で前記縦孔(23)に通じる横孔(24b)とを少なくとも有する燃料通路(25)が設けられることを特徴とする請求項1または2記載の電磁式燃料噴射弁。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004065983A JP3993574B2 (ja) | 2004-03-09 | 2004-03-09 | 電磁式燃料噴射弁 |
PCT/JP2005/003127 WO2005085627A1 (ja) | 2004-03-09 | 2005-02-25 | 電磁式燃料噴射弁 |
BRPI0508520-9A BRPI0508520B1 (pt) | 2004-03-09 | 2005-02-25 | Electromagnetic fuel injection valve |
US10/591,904 US7614604B2 (en) | 2004-03-09 | 2005-02-25 | Electromagnetic fuel injection valve |
DE602005009932T DE602005009932D1 (de) | 2004-03-09 | 2005-02-25 | Elektromagnetisches kraftstoffeinspritzventil |
EP05719528A EP1724463B1 (en) | 2004-03-09 | 2005-02-25 | Electromagnetic fuel injection valve |
MYPI20050953A MY137465A (en) | 2004-03-09 | 2005-03-08 | Electromagnetic fuel injection valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004065983A JP3993574B2 (ja) | 2004-03-09 | 2004-03-09 | 電磁式燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005256638A true JP2005256638A (ja) | 2005-09-22 |
JP3993574B2 JP3993574B2 (ja) | 2007-10-17 |
Family
ID=35082630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004065983A Expired - Lifetime JP3993574B2 (ja) | 2004-03-09 | 2004-03-09 | 電磁式燃料噴射弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3993574B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012012956A (ja) * | 2010-06-29 | 2012-01-19 | Denso Corp | 燃料噴射弁 |
JP2014152695A (ja) * | 2013-02-08 | 2014-08-25 | Hitachi Automotive Systems Ltd | 燃料噴射弁 |
-
2004
- 2004-03-09 JP JP2004065983A patent/JP3993574B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012012956A (ja) * | 2010-06-29 | 2012-01-19 | Denso Corp | 燃料噴射弁 |
JP2014152695A (ja) * | 2013-02-08 | 2014-08-25 | Hitachi Automotive Systems Ltd | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
JP3993574B2 (ja) | 2007-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2570648B1 (en) | Electromagnetic fuel-injection valve | |
JP2011241701A5 (ja) | ||
JP3819906B2 (ja) | 電磁式燃料噴射弁およびその製造方法 | |
JP5363228B2 (ja) | 電磁式燃料噴射弁 | |
JP4161217B2 (ja) | 燃料噴射弁 | |
JP4058026B2 (ja) | 電磁式燃料噴射弁 | |
JP3819907B2 (ja) | 電磁式燃料噴射弁およびその製造方法 | |
EP1724463B1 (en) | Electromagnetic fuel injection valve | |
JP6339389B2 (ja) | 燃料噴射弁 | |
JP2013174172A (ja) | 電磁式燃料噴射弁 | |
JP5924771B2 (ja) | 燃料噴射弁 | |
JP3993574B2 (ja) | 電磁式燃料噴射弁 | |
JP2006242046A (ja) | 燃料噴射弁 | |
JP2014062524A (ja) | 燃料噴射弁 | |
JP2004285923A (ja) | 電磁式燃料噴射弁 | |
JP6447402B2 (ja) | リニアソレノイド | |
JP3923935B2 (ja) | 燃料噴射弁 | |
JP2005256637A (ja) | 電磁式燃料噴射弁 | |
JP2006258074A (ja) | 燃料噴射弁 | |
JP2004285922A (ja) | 電磁式燃料噴射弁 | |
JP3999769B2 (ja) | 電磁式燃料噴射弁 | |
US20060202066A1 (en) | Fluid injection valve | |
JP2007032342A (ja) | 燃料噴射弁 | |
JPH075337Y2 (ja) | ソレノイド弁 | |
JP2014055569A (ja) | ガス燃料用噴射弁 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070411 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070611 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070711 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070726 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 3993574 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100803 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110803 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110803 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120803 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120803 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130803 Year of fee payment: 6 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |