KR20200140902A - 댐퍼 장치 - Google Patents
댐퍼 장치 Download PDFInfo
- Publication number
- KR20200140902A KR20200140902A KR1020207032807A KR20207032807A KR20200140902A KR 20200140902 A KR20200140902 A KR 20200140902A KR 1020207032807 A KR1020207032807 A KR 1020207032807A KR 20207032807 A KR20207032807 A KR 20207032807A KR 20200140902 A KR20200140902 A KR 20200140902A
- Authority
- KR
- South Korea
- Prior art keywords
- damper
- annular clip
- damper device
- diaphragm
- fuel
- 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.)
- Ceased
Links
- 230000004308 accommodation Effects 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 description 73
- 230000010349 pulsation Effects 0.000 description 19
- 239000002184 metal Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- 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
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8053—Fuel injection apparatus manufacture, repair or assembly involving mechanical deformation of the apparatus or parts thereof
-
- 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
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
도 2는, 댐퍼 장치를 나타내는 사시도이고,
도 3은, 댐퍼 장치를 구성하는 부재를 나타내는 분해 단면도이고,
도 4는, 수용 공간에 댐퍼 장치의 설치가 완료된 상태를 나타내는 단면도이고,
도 5는, 댐퍼 장치에 있어서의 환상 클립의 축경의 양태를 나타내는 상면도이고,
도 6은, 수용 공간에 댐퍼 장치의 설치가 완료된 상태를 나타내는 상면시(上面視) 단면도이고,
도 7은, 환상 클립에 형성된 구멍부의 구조를 나타내는 확대 단면도이다.
2; 댐퍼 본체
4; 다이어프램
5; 댐퍼 본체 외주연부
6; 스테이 부재
7; 오목부
7a; 내경측 단부
7b; 접속부
8; 환상 클립
9; 볼록부
10; 고압 연료 펌프(장치 본체)
11; 연료 챔버(수용 공간)
12; 플런저
13; 흡입 밸브
14; 가압실
15; 토출 밸브
16; 펌프 본체
17; 커버 부재
17a; 내주면
18; 장공(홈부)
19; 변형 작용부
20; 다이어프램 외주연부
23; 통부
24; 스테이 부재 외주연부
25; 관통공
Claims (7)
- 장치 본체에 형성되는 수용 공간에 배치되어 사용되는 댐퍼 장치로서,
내부에 기체가 봉입되고 중앙부에 변형 작용부를 갖는 다이어프램을 구비하는 댐퍼 본체와, 당해 댐퍼 본체의 외주연부를 보지(保持)하고, 또한 상기 수용 공간을 구성하는 상기 장치 본체의 내벽에 대하여 지름 방향으로 부세력(付勢力)을 작용하는 환상(環狀) 클립을 갖고 있는 것을 특징으로 하는 댐퍼 장치.
- 제1항에 있어서,
상기 댐퍼 본체는, 상기 다이어프램의 변형 작용부를 둘러싸고, 상기 환상 클립과 맞닿는 통부를 갖는 당해 다이어프램에 고정되는 스테이 부재를 구비하고 있는 댐퍼 장치.
- 제2항에 있어서,
상기 스테이 부재에는, 지름 방향으로 관통하는 관통공이 둘레 방향으로 복수 형성되어 있는 댐퍼 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 환상 클립은, 둘레 방향에 있어서 요철 형상인 댐퍼 장치.
- 제4항에 있어서,
상기 요철 형상을 구성하는 오목부에는, 상기 댐퍼 본체의 외주연부가 계합하는 홈부가 형성되어 있는 댐퍼 장치.
- 제5항에 있어서,
상기 오목부는, 상기 스테이 부재의 통부를 따르는 원호 형상의 내경측 단부를 갖는 댐퍼 장치.
- 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 환상 클립에는, 지름 방향으로 관통하는 구멍부가 둘레 방향으로 복수 형성되어 있는 댐퍼 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018100427 | 2018-05-25 | ||
| JPJP-P-2018-100427 | 2018-05-25 | ||
| PCT/JP2019/020195 WO2019225627A1 (ja) | 2018-05-25 | 2019-05-22 | ダンパ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20200140902A true KR20200140902A (ko) | 2020-12-16 |
Family
ID=68616964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207032807A Ceased KR20200140902A (ko) | 2018-05-25 | 2019-05-22 | 댐퍼 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11326568B2 (ko) |
| EP (1) | EP3805548A4 (ko) |
| JP (1) | JPWO2019225627A1 (ko) |
| KR (1) | KR20200140902A (ko) |
| CN (1) | CN112055780A (ko) |
| WO (1) | WO2019225627A1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2614338A (en) * | 2021-12-23 | 2023-07-05 | Delphi Tech Ip Ltd | Damper Accumulator Support |
Citations (1)
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| CN109070866B (zh) | 2016-05-13 | 2020-12-11 | 日立汽车系统株式会社 | 液压系统的压力脉动降低装置及脉动衰减构件 |
| WO2018056109A1 (ja) | 2016-09-26 | 2018-03-29 | イーグル工業株式会社 | メタルダイアフラムダンパ |
| JP6869005B2 (ja) | 2016-10-31 | 2021-05-12 | 日立Astemo株式会社 | 燃料供給ポンプ |
| JP6888408B2 (ja) | 2017-05-11 | 2021-06-16 | 株式会社デンソー | パルセーションダンパおよび燃料ポンプ装置 |
| JP6919314B2 (ja) | 2017-05-11 | 2021-08-18 | 株式会社デンソー | パルセーションダンパおよび燃料ポンプ装置 |
| DE102017213891B3 (de) * | 2017-08-09 | 2019-02-14 | Continental Automotive Gmbh | Kraftstoffhochdruckpumpe für ein Kraftstoffeinspritzsystem |
| WO2019178349A1 (en) | 2018-03-14 | 2019-09-19 | Nostrum Energy Pte. Ltd. | Pump for internal combustion engine and method of forming the same |
| WO2019221261A1 (ja) | 2018-05-18 | 2019-11-21 | イーグル工業株式会社 | ダンパユニット |
| CN111989479B (zh) | 2018-05-18 | 2022-07-26 | 伊格尔工业股份有限公司 | 减震器装置 |
| JPWO2019221259A1 (ja) | 2018-05-18 | 2021-06-10 | イーグル工業株式会社 | メタルダイアフラムダンパの取付構造 |
| JP2021110312A (ja) | 2020-01-15 | 2021-08-02 | 株式会社デンソー | アッセンブリの製造方法、パーツセット、燃料噴射ポンプの製造方法、及び、燃料噴射ポンプ |
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2019
- 2019-05-22 CN CN201980029484.3A patent/CN112055780A/zh active Pending
- 2019-05-22 EP EP19806549.2A patent/EP3805548A4/en not_active Withdrawn
- 2019-05-22 US US17/050,422 patent/US11326568B2/en active Active
- 2019-05-22 WO PCT/JP2019/020195 patent/WO2019225627A1/ja not_active Ceased
- 2019-05-22 KR KR1020207032807A patent/KR20200140902A/ko not_active Ceased
- 2019-05-22 JP JP2020521267A patent/JPWO2019225627A1/ja active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264239A (ja) | 2008-04-25 | 2009-11-12 | Hitachi Ltd | 燃料の圧力脈動低減機構、及びそれを備えた内燃機関の高圧燃料供給ポンプ |
Also Published As
| Publication number | Publication date |
|---|---|
| US11326568B2 (en) | 2022-05-10 |
| JPWO2019225627A1 (ja) | 2021-06-10 |
| EP3805548A4 (en) | 2022-02-16 |
| US20210071628A1 (en) | 2021-03-11 |
| EP3805548A1 (en) | 2021-04-14 |
| WO2019225627A1 (ja) | 2019-11-28 |
| CN112055780A (zh) | 2020-12-08 |
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