JP3876248B2 - 燃料噴射弁のシール構造 - Google Patents
燃料噴射弁のシール構造 Download PDFInfo
- Publication number
- JP3876248B2 JP3876248B2 JP2003395369A JP2003395369A JP3876248B2 JP 3876248 B2 JP3876248 B2 JP 3876248B2 JP 2003395369 A JP2003395369 A JP 2003395369A JP 2003395369 A JP2003395369 A JP 2003395369A JP 3876248 B2 JP3876248 B2 JP 3876248B2
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- fuel injection
- hole
- cylinder head
- seal member
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
2 燃焼室
7 貫通孔
9 スリーブ
12 燃料噴射弁
13 クランプ部材
14 外向フランジ
16 燃料供給管
17 シール部材
18 リード線
19 呼吸孔
19a 呼吸孔の開口
20 突出部(呼吸管)
Claims (1)
- 気筒内直接噴射式内燃機関の燃料噴射弁のシール構造であって、
シリンダヘッドの外側から燃焼室内へと開かれた貫通孔内に設けられ、上端部に燃料供給管との接続のためのフランジを備えた燃料噴射弁と、
前記燃料噴射弁の上端部を前記シリンダヘッドに対して保持するクランプ部材と、
前記燃料噴射弁の上部外周に装着されたシール部材とを有し、
前記シール部材はその上面から外向きに突出する突出部を備え、該突出部に前記シリンダヘッドの前記貫通孔と外気とを連通する呼吸孔が形成され、該呼吸孔は前記フランジまたは前記クランプ部材の下方に配置され、前記呼吸孔の外側開口が前記シール部材の上面から離間した位置において横方向より下向きに向いていることを特徴とする燃料噴射弁のシール構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395369A JP3876248B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射弁のシール構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003395369A JP3876248B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射弁のシール構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005155453A JP2005155453A (ja) | 2005-06-16 |
JP3876248B2 true JP3876248B2 (ja) | 2007-01-31 |
Family
ID=34721162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003395369A Expired - Fee Related JP3876248B2 (ja) | 2003-11-26 | 2003-11-26 | 燃料噴射弁のシール構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3876248B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105697118A (zh) * | 2016-01-26 | 2016-06-22 | 重庆长安汽车股份有限公司 | 一种增压直喷发动机排气系统的密封结构 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109026385B (zh) * | 2018-08-28 | 2023-11-03 | 河南柴油机重工有限责任公司 | 一种发动机气缸排水阀安装结构 |
-
2003
- 2003-11-26 JP JP2003395369A patent/JP3876248B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105697118A (zh) * | 2016-01-26 | 2016-06-22 | 重庆长安汽车股份有限公司 | 一种增压直喷发动机排气系统的密封结构 |
Also Published As
Publication number | Publication date |
---|---|
JP2005155453A (ja) | 2005-06-16 |
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