JP5822272B2 - 燃料噴射弁の支持構造 - Google Patents
燃料噴射弁の支持構造 Download PDFInfo
- Publication number
- JP5822272B2 JP5822272B2 JP2012040732A JP2012040732A JP5822272B2 JP 5822272 B2 JP5822272 B2 JP 5822272B2 JP 2012040732 A JP2012040732 A JP 2012040732A JP 2012040732 A JP2012040732 A JP 2012040732A JP 5822272 B2 JP5822272 B2 JP 5822272B2
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- fuel injection
- fuel
- elastic
- base plate
- 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.)
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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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/04—Injectors peculiar thereto
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/26—Fuel-injection apparatus with elastically deformable elements other than coil springs
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/852—Mounting of fuel injection apparatus provisions for mounting the fuel injection apparatus in a certain orientation, e.g. markings or notches
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/853—Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa
-
- 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
- F02M2200/85—Mounting of fuel injection apparatus
- F02M2200/857—Mounting of fuel injection apparatus characterised by mounting fuel or common rail to engine
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
D・・・・・燃料分配管
Da・・・・燃料供給キャップ
E・・・・・エンジン
I・・・・・電磁式燃料噴射弁
S・・・・・支持部材
5・・・・・当接面(第1当接面)
10・・・・噴射弁装着孔
16・・・・弾性片
16a・・・第1弾性部
16b・・・第2弾性部
16ba・・第2弾性部の先端部
19・・・・切欠き
Claims (2)
- 燃料噴射弁(I)の前端部のノズル部(2)をエンジン(E)の噴射弁装着孔(10)に嵌装し、燃料噴射弁(I)の後端部の燃料導入部(4)に、エンジン(E)に支持される燃料分配管(D)の燃料供給キャップ(Da)を嵌装し、前記燃料噴射弁(I)及び燃料供給キャップ(Da)間に、燃料噴射弁(I)を前記噴射弁装着孔(10)に向かって付勢する支持部材(S)を介装してなる、燃料噴射弁の支持構造において、
前記燃料噴射弁(I)の中間部に、燃料噴射弁(I)の中心軸線(A)に直交して前記燃料供給キャップ(Da)に対向する当接面(5)を形成し、
前記支持部材(S)には、前記当接面(5)に設置される平坦なベース板(15)と、このベース板(15)の一端から他端側へ延出する弾性片(16)とを設け、
この弾性片(16)を、ベース板(15)の一端から上方へU字状に屈曲する第1弾性部(16a)と、この第1弾性部(16a)から上方へ湾曲しつゝ他端に向かって延び、その頂部を前記燃料供給キャップ(Da)の前端面に圧接させると共に、前記ベース板(15)から離れる方向へ反らせた先端部(16ba)を平坦な前記ベース板(15)上面に摺動可能に当接させる第2弾性部(16b)とで構成し、
その第2弾性部(16b)の曲率半径(R2)を、第1弾性部(16a)の曲率半径(R1)より大きく設定したことを特徴とする、燃料噴射弁の支持構造。 - 請求項1記載の燃料噴射弁の支持構造において、
前記ベース板(15)には、燃料噴射弁(I)を受け入れるU字状の切欠き(19)を設けると共に、前記弾性片(16)を、燃料噴射弁(I)を受け入れる間隔を置いて並ぶ一対となしたことを特徴とする、燃料噴射弁の支持構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012040732A JP5822272B2 (ja) | 2012-02-27 | 2012-02-27 | 燃料噴射弁の支持構造 |
US13/767,238 US9212641B2 (en) | 2012-02-27 | 2013-02-14 | Fuel injection valve supporting structure |
DE102013203027.4A DE102013203027B4 (de) | 2012-02-27 | 2013-02-25 | Kraftstoffeinspritzventil-Halterungsstruktur |
CN201310061224.9A CN103291517B (zh) | 2012-02-27 | 2013-02-27 | 燃料喷射阀的支承结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012040732A JP5822272B2 (ja) | 2012-02-27 | 2012-02-27 | 燃料噴射弁の支持構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013174228A JP2013174228A (ja) | 2013-09-05 |
JP5822272B2 true JP5822272B2 (ja) | 2015-11-24 |
Family
ID=48951014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012040732A Active JP5822272B2 (ja) | 2012-02-27 | 2012-02-27 | 燃料噴射弁の支持構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9212641B2 (ja) |
JP (1) | JP5822272B2 (ja) |
CN (1) | CN103291517B (ja) |
DE (1) | DE102013203027B4 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5955198B2 (ja) | 2012-11-02 | 2016-07-20 | 株式会社ケーヒン | 直噴式燃料噴射弁の支持構造 |
JP6074794B2 (ja) * | 2012-11-05 | 2017-02-08 | 株式会社ケーヒン | 燃料噴射弁の支持構造 |
JP6074793B2 (ja) | 2012-11-05 | 2017-02-08 | 株式会社ケーヒン | 燃料噴射弁の支持構造 |
JP6230407B2 (ja) * | 2013-12-19 | 2017-11-15 | マルヤス工業株式会社 | 直噴エンジン用高圧燃料デリバリパイプアセンブリ |
KR101938481B1 (ko) * | 2017-06-23 | 2019-01-14 | 주식회사 현대케피코 | 인젝터용 클립 |
JP7339839B2 (ja) * | 2019-10-07 | 2023-09-06 | Ckd株式会社 | 電磁弁 |
WO2023068223A1 (ja) * | 2021-10-19 | 2023-04-27 | 日立Astemo株式会社 | 燃料噴射弁の支持構造 |
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-
2012
- 2012-02-27 JP JP2012040732A patent/JP5822272B2/ja active Active
-
2013
- 2013-02-14 US US13/767,238 patent/US9212641B2/en active Active
- 2013-02-25 DE DE102013203027.4A patent/DE102013203027B4/de active Active
- 2013-02-27 CN CN201310061224.9A patent/CN103291517B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20130220277A1 (en) | 2013-08-29 |
DE102013203027B4 (de) | 2023-10-19 |
DE102013203027A1 (de) | 2013-08-29 |
JP2013174228A (ja) | 2013-09-05 |
CN103291517B (zh) | 2015-09-09 |
US9212641B2 (en) | 2015-12-15 |
CN103291517A (zh) | 2013-09-11 |
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