JP6785951B2 - 逆止弁、高圧を案内する構成部分および燃料高圧ポンプ - Google Patents
逆止弁、高圧を案内する構成部分および燃料高圧ポンプ Download PDFInfo
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- JP6785951B2 JP6785951B2 JP2019515355A JP2019515355A JP6785951B2 JP 6785951 B2 JP6785951 B2 JP 6785951B2 JP 2019515355 A JP2019515355 A JP 2019515355A JP 2019515355 A JP2019515355 A JP 2019515355A JP 6785951 B2 JP6785951 B2 JP 6785951B2
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- 239000000446 fuel Substances 0.000 title claims description 63
- 238000004804 winding Methods 0.000 claims description 26
- 230000036316 preload Effects 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- 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
- F02M59/46—Valves
- F02M59/462—Delivery valves
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/047—Wound springs characterised by varying pitch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- 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
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
-
- 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
- F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit
-
- 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
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/12—Attachments or mountings
- F16F1/123—Attachments or mountings characterised by the ends of the spring being specially adapted, e.g. to form an eye for engagement with a radial insert
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
- Check Valves (AREA)
Description
Claims (10)
- 燃料噴射システム(10)内の、高圧を案内する構成部分(44)に用いられる逆止弁(48)であって、
弁ハウジング(60)を備え、該弁ハウジング(60)が、該弁ハウジング(60)に形成された、所定の内径(DI)を有する弁孔(58)を有し、該弁孔(58)内に、弁座(64)と、該弁座(64)と協働するシールエレメント(52)とが配置されており、
コイルばね(54)を備え、該コイルばね(54)が、前記弁孔(58)の長手方向軸線(AL)に沿って作用するばね力(FF)によって前記シールエレメント(52)を前記弁座(64)に載着した状態に保持しており、
前記コイルばね(54)が、それぞれ所定の外径(DA)を有する複数のコイル巻き条(62)を有し、
当該逆止弁(48)が組み立てられていない状態では、前記コイル巻き条(62)のうちの少なくとも1つのコイル巻き条の外径(DA)が、前記弁孔(58)の少なくとも1つの部分領域の内径(DI)よりも大きいので、当該逆止弁(48)が組み立てられた状態では、前記コイルばね(54)が、前記弁孔(58)内に摩擦接続式に位置固定され、
前記コイルばね(54)が、前記長手方向軸線(AL)に沿って、予め規定された力量によって変形可能であるばねプリロード領域(68)と、前記長手方向軸線(AL)に沿って、前記予め規定された力量によって実質的に変形可能ではない摩擦接続領域(72)とを有し、
前記コイルばね(54)が、前記ばねプリロード領域(68)によって前記シールエレメント(52)に接触しており、
前記摩擦接続領域(72)が、前記長手方向軸線(AL)に沿って前記シールエレメント(52)とは反対の側に位置するように配置されており、
前記ばねプリロード領域(68)のコイル巻き条(62)が互いに間隔をあけて、かつ、円錐状に形成されていて、円錐先端領域(70)によって前記シールエレメント(52)に支持されており、
前記摩擦接続領域(72)が、実質的に同じ外径(DA)を有する複数のコイル巻き条(62)を有し、
前記摩擦接続領域(72)においては、前記コイル巻き条(62)が直接に互いに接触している、
高圧を案内する構成部分(44)に用いられる逆止弁(48)。 - 前記摩擦接続領域(72)の最も外側のコイル巻き条(62)が、前記コイルばね(54)の対称軸線(AS)に向かって内方へ引き込まれて形成されていることを特徴とする、請求項1記載の逆止弁(48)。
- 前記弁孔(58)が、第1の内径(DI1)を有する第1の弁孔領域(76)と、第2の内径(DI2)を有する第2の弁孔領域(78)とを有し、前記シールエレメント(52)と前記コイルばね(54)とが、前記第1の弁孔領域(76)に配置されており、前記第1の内径(DI1)が、前記第2の内径(DI2)よりも大きいことを特徴とする、請求項1または2記載の逆止弁(48)。
- 前記第1の弁孔領域(76)から前記第2の弁孔領域(78)への移行部(82)に、当付けつば(84)が形成されており、該当付けつば(84)に前記コイルばね(54)の前記摩擦接続領域(72)が支持されていることを特徴とする、請求項3記載の逆止弁(48)。
- 前記第1の内径(DI1)が、少なくとも前記コイルばね(54)の長手方向延在長さ(L)に沿って実質的に一定であり、前記第2の内径(DI2)が、前記長手方向軸線(AL)に沿って前記第1の弁孔領域(76)から離れる方向に円錐状に拡径していることを特徴する、請求項3または4記載の逆止弁(48)。
- 前記第1の弁孔領域(76)から前記第2の弁孔領域(78)への移行部(82)が、凸面状に丸められて形成されていることを特徴とする、請求項3から5までのいずれか1項記載の逆止弁(48)。
- 請求項1から6までのいずれか1項記載の逆止弁(48)を有する、高圧を案内する構成部分(44)において、前記弁ハウジング(60)が、前記高圧を案内する構成部分(44)により形成されていることを特徴とする、高圧を案内する構成部分(44)。
- 前記構成部分(44)は、燃料高圧ポンプ(18)用の高圧接続部(46)である、請求項7記載の構成部分(44)。
- 内燃機関の燃料噴射システム(10)用の燃料高圧ポンプ(18)であって、燃料(12)に高圧を付与するための圧力室(26)と、該圧力室(26)の下流側に接続された、請求項1から6までのいずれか1項記載の逆止弁(48)を備えた、高圧を案内する構成部分(44)とを有する、内燃機関の燃料噴射システム(10)用の燃料高圧ポンプ(18)。
- 前記逆止弁(48)が、高圧付与された燃料(12)を前記圧力室(26)から流出させるための流出弁(28)として形成されている、請求項9記載の燃料高圧ポンプ(18)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016217923.3 | 2016-09-19 | ||
DE102016217923.3A DE102016217923B3 (de) | 2016-09-19 | 2016-09-19 | Rückschlagventil, hochdruckführendes Bauteil und Kraftstoffhochdruckpumpe |
PCT/EP2017/073412 WO2018050881A1 (de) | 2016-09-19 | 2017-09-18 | Rückschlagventil, hochdruckführendes bauteil und kraftstoffhochdruckpumpe |
Publications (2)
Publication Number | Publication Date |
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JP2019534412A JP2019534412A (ja) | 2019-11-28 |
JP6785951B2 true JP6785951B2 (ja) | 2020-11-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019515355A Expired - Fee Related JP6785951B2 (ja) | 2016-09-19 | 2017-09-18 | 逆止弁、高圧を案内する構成部分および燃料高圧ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10746148B2 (ja) |
JP (1) | JP6785951B2 (ja) |
KR (1) | KR102202762B1 (ja) |
CN (1) | CN109790808A (ja) |
DE (1) | DE102016217923B3 (ja) |
WO (1) | WO2018050881A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102016217923B3 (de) | 2016-09-19 | 2018-02-08 | Continental Automotive Gmbh | Rückschlagventil, hochdruckführendes Bauteil und Kraftstoffhochdruckpumpe |
DE102017211981B3 (de) * | 2017-07-13 | 2018-09-27 | Continental Automotive Gmbh | Kraftstoffeinspritzsystem für eine Brennkraftmaschine |
WO2019102806A1 (ja) * | 2017-11-22 | 2019-05-31 | 日立オートモティブシステムズ株式会社 | 燃料噴射装置 |
DE102018212882A1 (de) * | 2018-08-02 | 2020-02-06 | Robert Bosch Gmbh | Fluidventilvorrichtung |
EP3922878B1 (en) * | 2019-02-04 | 2024-03-06 | Nitto Kohki Co., Ltd. | Pipe joint having valve and coil spring used in same |
US11339688B2 (en) | 2020-01-29 | 2022-05-24 | Borgwarner, Inc. | Variable camshaft timing valve assembly |
JP7545350B2 (ja) * | 2021-03-05 | 2024-09-04 | 日立Astemo株式会社 | 電磁式燃料噴射弁 |
US20230160384A1 (en) * | 2021-11-24 | 2023-05-25 | Spm Oil & Gas Inc. | Pump Assembly with Self-Retained Valve Spring and Methods |
US11988209B2 (en) | 2021-12-03 | 2024-05-21 | Hamilton Sundstrand Corporation | Spring retainer for gear pump bearing plate |
US11761484B2 (en) | 2021-12-06 | 2023-09-19 | Hamilton Sundstrand Corporation | Flared springs for bearing assemblies |
KR102471727B1 (ko) * | 2022-06-08 | 2022-11-28 | 카디브(주) | 유로 6 인젝터의 재생방법 및 재생된 유로 6 인젝터 |
KR102526456B1 (ko) * | 2022-06-08 | 2023-04-27 | 카디브(주) | 유로 6 인젝터의 재생방법 및 재생된 유로 6 인젝터 |
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DE102016217923B3 (de) | 2016-09-19 | 2018-02-08 | Continental Automotive Gmbh | Rückschlagventil, hochdruckführendes Bauteil und Kraftstoffhochdruckpumpe |
-
2016
- 2016-09-19 DE DE102016217923.3A patent/DE102016217923B3/de active Active
-
2017
- 2017-09-18 KR KR1020197007984A patent/KR102202762B1/ko active IP Right Grant
- 2017-09-18 JP JP2019515355A patent/JP6785951B2/ja not_active Expired - Fee Related
- 2017-09-18 US US16/333,345 patent/US10746148B2/en not_active Expired - Fee Related
- 2017-09-18 CN CN201780057659.2A patent/CN109790808A/zh active Pending
- 2017-09-18 WO PCT/EP2017/073412 patent/WO2018050881A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10746148B2 (en) | 2020-08-18 |
KR102202762B1 (ko) | 2021-01-13 |
CN109790808A (zh) | 2019-05-21 |
DE102016217923B3 (de) | 2018-02-08 |
KR20190034679A (ko) | 2019-04-02 |
JP2019534412A (ja) | 2019-11-28 |
US20190211789A1 (en) | 2019-07-11 |
WO2018050881A1 (de) | 2018-03-22 |
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