JP6682655B2 - 燃料噴射システム用の切換弁ならびに燃料高圧ポンプ - Google Patents
燃料噴射システム用の切換弁ならびに燃料高圧ポンプ Download PDFInfo
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- JP6682655B2 JP6682655B2 JP2018555730A JP2018555730A JP6682655B2 JP 6682655 B2 JP6682655 B2 JP 6682655B2 JP 2018555730 A JP2018555730 A JP 2018555730A JP 2018555730 A JP2018555730 A JP 2018555730A JP 6682655 B2 JP6682655 B2 JP 6682655B2
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- 239000000446 fuel Substances 0.000 title claims description 81
- 238000002347 injection Methods 0.000 title claims description 30
- 239000007924 injection Substances 0.000 title claims description 30
- 238000007789 sealing Methods 0.000 claims description 46
- 230000002093 peripheral effect Effects 0.000 claims description 36
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
- F02M59/368—Pump inlet valves being closed when actuated
-
- 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
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
-
- 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
- F02M59/48—Assembling; Disassembling; Replacing
-
- 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
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
-
- 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
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0035—Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat
-
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/023—Means for varying pressure in common rails
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
- F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
-
- 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
- F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Claims (13)
- 内燃機関の燃料噴射システム(10)用の切換弁(30)であって、
弁ハウジング(38)を有し、該弁ハウジング(38)は、弁座(40)を形成しており、該弁座(40)は、前記切換弁(30)の開閉のために、長手方向軸線(50)に沿って可動の弁エレメント(42)と協働し、
前記弁ハウジング(38)は、円錐状に形成された周壁面(58)を有し、
前記弁ハウジング(38)は、軸方向にばね弾性を有するように形成された、半径方向に延びるばね突出部(62)を有し、該ばね突出部(62)は、半径方向で前記周壁面(58)を超えて突出しており、
前記弁ハウジング(38)が、前記周壁面(58)に、半径方向の流出環状溝(68)を有し、該流出環状溝(68)は、前記弁ハウジング(38)を、第1の円錐状リングエレメント(74)と、第2の円錐状リングエレメント(76)とに分割しており、前記第1の円錐状リングエレメント(74)の第1の周壁面(78)と、前記第2の円錐状リングエレメント(76)の第2の周壁面(80)とが、それぞれ前記長手方向軸線(50)に対して等しい開き角(α)を成していて、かつ、互いに同一平面上に配置されていることを特徴とする、切換弁(30)。 - 前記ばね突出部(62)が前記第1の円錐状リングエレメント(74)に形成されており、前記ばね突出部(62)は、半径方向の載着面(84)と、該載着面(84)とは反対の側に配置された進出面(86)とを有していることを特徴とする、請求項1記載の切換弁(30)。
- 前記進出面(86)は、前記長手方向軸線(50)に対して傾けられて配置されていて、かつ前記流出環状溝(68)に移行していることを特徴とする、請求項2記載の切換弁(30)。
- 前記弁座(40)と弁流入部(82)とが前記第1の円錐状リングエレメント(74)に形成されており、かつ/または、前記第2の円錐状リングエレメント(76)が、アクチュエータアッセンブリ(48)を取り付けるための、軸方向の、中央に配置された取付け用孔(102)を有することを特徴とする、請求項1から3までのいずれか1項記載の切換弁(30)。
- 前記弁流入部(82)は、前記第1の円錐状リングエレメント(74)に設けられた少なくとも1つの軸方向の孔によって形成されていることを特徴とする、請求項4記載の切換弁(30)。
- 前記第1の円錐状リングエレメント(74)が、前記第1の周壁面(78)に、シールエレメント(64)を備えた、全周にわたって延びる第1のシール溝(88)を有し、前記第2の円錐状リングエレメント(76)は、前記第2の周壁面(80)に、シールエレメント(64)を備えた、全周にわたって延びる第2のシール溝(100)を有していることを特徴とする、請求項1から5までのいずれか1項記載の切換弁(30)。
- 前記両シール溝(88,100)が、前記両リングエレメント(74,76)の前記周壁面(78,80)に対して平行に配置されていることを特徴とする、請求項6記載の切換弁(30)。
- 燃料噴射システムハウジング(34)に設けられた収容孔(32)内に前記弁ハウジング(38)を位置固定するための、円筒状の外面(106)を有する位置固定リング(98)が設けられており、該位置固定リング(98)は、前記弁ハウジング(38)とは別個の構成エレメントとして形成されていることを特徴とする、請求項1から7までのいずれか1項記載の切換弁(30)。
- 前記位置固定リング(98)は、前記弁ハウジング(38)の最大外径(D G )よりも大きい位置固定リング外径(D F )を有することを特徴とする、請求項8記載の切換弁(30)。
- 前記弁ハウジング(38)が、前記アクチュエータアッセンブリ(48)に向けられた側に、前記位置固定リング(98)に設けられた対応位置固定面(96)と協働するための、半径方向の位置固定面(94)を有することを特徴とする、請求項4を引用する請求項8または9記載の切換弁(30)。
- 燃料噴射システム(10)内の燃料(12)に高圧を付与するための燃料高圧ポンプ(18)であって、ポンプハウジング(36)と、請求項1から10までのいずれか1項記載の切換弁(30)とを有し、前記ポンプハウジング(36)が、前記切換弁(30)の少なくとも1つの弁ハウジング(38)を収容するための収容孔(32)を有し、該収容孔(32)の孔壁(60)が、少なくとも所定の領域において、前記ポンプハウジング(36)内に向かって円錐状に先細りになるように形成されている、燃料高圧ポンプ(18)。
- 前記孔壁(60)と前記切換弁(30)の長手方向軸線(50)とが成す開き角(α)が、前記弁ハウジング(38)の周壁面(58)と前記切換弁(30)の前記長手方向軸線(50)とが成す開き角(α)に等しいことを特徴とする、請求項11記載の燃料高圧ポンプ(18)。
- 前記孔壁(60)の、前記ポンプハウジング(36)内に向かって円錐状に先細りに形成された領域に、前記ばね突出部(62)を収容するための収容溝(66)が配置されていることを特徴とする、請求項11または12記載の燃料高圧ポンプ(18)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102016206996.9 | 2016-04-25 | ||
DE102016206996.9A DE102016206996B3 (de) | 2016-04-25 | 2016-04-25 | Schaltventil für ein Kraftstoffeinspritzsystem sowie Kraftstoffhochdruckpumpe |
PCT/EP2017/058999 WO2017186516A1 (de) | 2016-04-25 | 2017-04-13 | Schaltventil für ein kraftstoffeinspritzsystem sowie kraftstoffhochdruckpumpe |
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JP2019515172A JP2019515172A (ja) | 2019-06-06 |
JP2019515172A5 JP2019515172A5 (ja) | 2020-03-12 |
JP6682655B2 true JP6682655B2 (ja) | 2020-04-15 |
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US (1) | US10900452B2 (ja) |
JP (1) | JP6682655B2 (ja) |
KR (1) | KR102132108B1 (ja) |
CN (1) | CN109072844B (ja) |
DE (1) | DE102016206996B3 (ja) |
WO (1) | WO2017186516A1 (ja) |
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DE102016206996B3 (de) | 2016-04-25 | 2017-08-31 | Continental Automotive Gmbh | Schaltventil für ein Kraftstoffeinspritzsystem sowie Kraftstoffhochdruckpumpe |
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DE4237726C2 (de) * | 1992-11-09 | 1993-12-23 | Hermann Dr Ing Golle | Pumpedüse zur Kraftstoffeinspritzung für Brennkraftmaschinen |
JPH07217515A (ja) * | 1994-01-31 | 1995-08-15 | Aisan Ind Co Ltd | 蓄圧式燃料噴射装置の電磁弁 |
DE19931822A1 (de) * | 1999-07-08 | 2001-01-11 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
FR2817605B1 (fr) * | 2000-12-01 | 2005-05-20 | Eaton Corp | Electrovanne proportionnelle pour circuit de liquide de refroidissement de moteur |
DE10151711A1 (de) * | 2001-10-19 | 2003-04-30 | Bosch Gmbh Robert | Vorrichtung zur Abdichtung hochdruckbeaufschlagter Bauteile |
JP4104482B2 (ja) * | 2003-04-18 | 2008-06-18 | 日信工業株式会社 | ブレーキ液圧制御装置用電磁弁 |
KR101160043B1 (ko) * | 2010-06-23 | 2012-06-25 | 주식회사 케피코 | 연료 분사 밸브 |
AT512162B1 (de) * | 2012-05-08 | 2013-06-15 | Bosch Gmbh Robert | Verschlussbolzen mit Durchflussbegrenzer |
CN105332835A (zh) * | 2015-11-25 | 2016-02-17 | 哈尔滨工程大学 | 常开式重油用双阀电控喷油*** |
DE102016206996B3 (de) | 2016-04-25 | 2017-08-31 | Continental Automotive Gmbh | Schaltventil für ein Kraftstoffeinspritzsystem sowie Kraftstoffhochdruckpumpe |
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- 2017-04-13 WO PCT/EP2017/058999 patent/WO2017186516A1/de active Application Filing
- 2017-04-13 JP JP2018555730A patent/JP6682655B2/ja active Active
- 2017-04-13 CN CN201780025702.7A patent/CN109072844B/zh active Active
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KR102132108B1 (ko) | 2020-07-08 |
JP2019515172A (ja) | 2019-06-06 |
US10900452B2 (en) | 2021-01-26 |
KR20180122724A (ko) | 2018-11-13 |
CN109072844B (zh) | 2021-10-12 |
US20190162143A1 (en) | 2019-05-30 |
DE102016206996B3 (de) | 2017-08-31 |
CN109072844A (zh) | 2018-12-21 |
WO2017186516A1 (de) | 2017-11-02 |
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