JP7398457B2 - 高圧燃料ポンプ用入口制御バルブ - Google Patents
高圧燃料ポンプ用入口制御バルブ Download PDFInfo
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- JP7398457B2 JP7398457B2 JP2021531645A JP2021531645A JP7398457B2 JP 7398457 B2 JP7398457 B2 JP 7398457B2 JP 2021531645 A JP2021531645 A JP 2021531645A JP 2021531645 A JP2021531645 A JP 2021531645A JP 7398457 B2 JP7398457 B2 JP 7398457B2
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- 239000000446 fuel Substances 0.000 title claims description 103
- 238000005086 pumping Methods 0.000 claims description 92
- 239000012530 fluid Substances 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 21
- 239000007924 injection Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
-
- 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
- F02M59/442—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 means preventing fuel leakage around pump plunger, e.g. fluid barriers
-
- 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
- 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
- F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
- F02M63/0022—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
-
- 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
- F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
-
- 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
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
- F02M63/0245—Means for varying pressure in common rails by bleeding fuel pressure between the high pressure pump and the common rail
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
- F04B53/103—Flat-annular type disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/048—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/048—Electromagnetically actuated 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/26—Fuel-injection apparatus with elastically deformable elements other than coil springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Description
作動中、バルブ部材は、入口制御バルブの開位置と閉位置との間の軸に沿ったストロークを有する。
Claims (13)
- 高圧燃料ポンプ用の入口制御バルブであって、前記高圧燃料ポンプは、入口バルブ供給通路とポンピングチャンバを有し、ポンピングプランジャがポンピングフェーズと充填フェーズとの間で往復運動し、前記入口制御バルブは、
前記入口バルブ供給通路から前記ポンピングチャンバへの流体の流入を制御するように配置され、入口バルブアーマチュアに結合された入口バルブステムと、該入口バルブステムに一体的に接続され且つ開位置から閉位置との間の軸に沿ったストロークを有した円盤状のバルブ部材とを含み、前記入口バルブアーマチュア及び前記バルブ部材が一緒に動く、入口バルブと、
前記バルブ部材を前記開位置に向けてバイアスする入口バルブバイアス部材と、
前記バルブ部材と当接するように構成され、前記バルブステムを受け取り、前記開位置と前記閉位置との間のバルブ部材の動きを案内する円筒形ボアを規定する、環状表面を有する入口バルブシートと、
前記入口バルブ供給通路と連絡している前記バルブ部材の第1の側及び前記ポンピングチャンバと連絡している前記バルブ部材の第2の側と、
前記入口バルブシートに面し、前記バルブ部材の前記入口バルブシートとは反対側に配置された入口バルブストップと、
前記入口バルブアーマチュアを引き付けるため、前記入口バルブアーマチュアと同軸に配置された入口バルブポールに磁場を生成する電磁コイルを含む入口バルブソレノイドと、
前記バルブ部材が前記開位置にあるとき、前記入口バルブアーマチュアと前記入口バルブポールとの間に前記軸に沿って画定される、前記ストロークよりも大きいギャップと、
前記入口バルブ供給通路と前記ポンピングチャンバとを接続する流体流路と、を備え、
前記バルブ部材が前記開位置にあるとき、前記バルブ部材は、前記入口バルブストップと接触し、前記流体流路を通る流体の流入を可能にし、前記入口バルブソレノイドに通電すると、前記バルブ部材が前記開位置から前記閉位置に移動し、前記入口バルブバイアス部材を圧縮し、前記バルブ部材は、前記入口バルブシートと当接し、前記流体流路を通る流体の流入を防止し、前記バルブ部材が前記閉位置にあるとき、前記入口バルブアーマチュアと前記入口バルブポールとの間にアーマチュアギャップを残す、入口制御バルブ。 - 前記入口バルブストップが前記ポンピングチャンバの一部内に配置されている、請求項1に記載の入口制御バルブ。
- 前記バルブステムが、アーマチュア保持リングにより前記入口バルブアーマチュアに結合されている、請求項1又は請求項2に記載の入口制御バルブ。
- 前記入口バルブストップが、前記バルブ部材に面するピンからなる、請求項1から請求項3のいずれか一項に記載の入口制御バルブ。
- 前記入口バルブストップは、前記ポンピングチャンバの一部を画定する前記入口バルブストップ支持体によって支持される、請求項1から4のいずれか一項に記載の入口制御バルブ。
- 前記バルブ部材と前記入口バルブストップとの間の前記接触、及び前記バルブ部材と前記入口バルブシートとの間の接触が、前記ポンピングチャンバで生じる、請求項1から請求項5のいずれか一項に記載の入口制御バルブ。
- 前記アーマチュアギャップが前記ストロークよりも大きい、請求項1から請求項6のいずれか一項に記載の入口制御バルブ。
- ポンププランジャがポンピングフェーズと充填フェーズとの間で往復運動するポンピングチャンバを有する高圧燃料ポンプの入口バルブ供給通路を通る燃料流入のタイミングおよび量を制御する方法であって、
前記入口バルブ供給通路と前記ポンピングチャンバとを接続する流体流路を画定する工程と、
前記入口バルブ供給通路から前記ポンピングチャンバへの流体の流れを制御するように配置された入口バルブを提供する工程と、
前記入口バルブは、入口バルブアーマチュアに結合される入口バルブステムに一体的に接続された円盤状のバルブ部材を含み、前記入口バルブアーマチュア及び前記バルブ部材が一緒に動き、前記バルブ部材は、前記流体流路を通る流体の流れを可能にする開位置と、前記流体流路を通る流体の流れを防止する閉位置との間に軸に沿ったストロークを有し、
入口バルブバイアス部材で前記バルブ部材を前記開位置に向けてバイアスする工程と、
前記バルブ部材と当接するように構成され、前記バルブステムを受け取り、前記開位置と前記閉位置との間のバルブ部材の動きを案内する円筒形ボアを規定する、環状表面を有する入口バルブシートを提供する工程と、
前記入口バルブ供給通路と連絡している前記バルブ部材の第1の側と、前記ポンピングチャンバと連絡している前記バルブ部材の第2の側と、
前記入口バルブシートから前記バルブ部材の反対側に入口バルブストップを配置する工程と、
前記バルブ部材が前記開位置にあるとき、前記入口バルブアーマチュアと入口バルブポールとの間で前記軸に沿い、前記ストロークよりも大きいギャップを画定する工程と、
電磁コイルを含む入口バルブソレノイドを使用して、前記入口バルブポールに磁場を生成し、前記入口バルブアーマチュアを引き付け、前記バルブ部材を前記開位置から前記閉位置に移動させ、前記入口バルブバイアス部材を圧縮し、前記入口バルブアーマチュアと前記入口バルブポールとの間にアーマチュアギャップを残す工程と、を備える方法。 - 前記入口バルブストップを配置する工程が、前記入口バルブストップを前記ポンピングチャンバの一部内に配置することを含む、請求項8に記載の方法。
- 前記磁場を生成する工程において、前記バルブ部材および前記入口バルブシートが前記ポンピングチャンバ内でそれぞれと接触する、請求項8または請求項9のいずれか一項に記載の方法。
- 前記入口バルブストップを配置する工程において、前記バルブ部材および前記入口バルブストップが前記ポンピングチャンバで互いに接触する、請求項8から請求項10のいずれか一項に記載の方法。
- 前記入口バルブストップを配置する工程において、前記入口バルブストップがストップピン支持体によって支持されたストップピンを構成する、請求項8から請求項11のいずれか一項に記載の方法。
- 前記入口制御バルブを提供する工程が、前記入口バルブステムを、前記アーマチュア保持リングを持つ前記入口バルブアーマチュアに結合させることを含む、請求項8から請求項12のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862776670P | 2018-12-07 | 2018-12-07 | |
US62/776,670 | 2018-12-07 | ||
PCT/US2019/028472 WO2020117311A1 (en) | 2018-12-07 | 2019-04-22 | Inlet control valve for high pressure fuel pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022512103A JP2022512103A (ja) | 2022-02-02 |
JP7398457B2 true JP7398457B2 (ja) | 2023-12-14 |
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JP2021531645A Active JP7398457B2 (ja) | 2018-12-07 | 2019-04-22 | 高圧燃料ポンプ用入口制御バルブ |
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US (2) | US20200182365A1 (ja) |
EP (1) | EP3891379A1 (ja) |
JP (1) | JP7398457B2 (ja) |
CN (1) | CN113167201B (ja) |
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GB2553484A (en) * | 2016-04-26 | 2018-03-14 | Delphi Int Operations Luxembourg Sarl | High pressure diesel pump |
US11156236B2 (en) * | 2016-12-09 | 2021-10-26 | Dril-Quip, Inc. | Ball valve with pressure absorbing accumulator |
CN111911808B (zh) * | 2020-06-16 | 2022-05-10 | 西安航天动力研究所 | 一种集成化减压装置 |
US11261836B1 (en) * | 2021-03-09 | 2022-03-01 | Ford Global Technologies, Llc | Fuel system check valve |
US11643995B1 (en) * | 2021-11-04 | 2023-05-09 | Blue Origin, Llc | Liquid rocket engine injector with variable flow area |
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- 2019-04-22 EP EP19726226.4A patent/EP3891379A1/en active Pending
- 2019-04-22 CN CN201980080671.4A patent/CN113167201B/zh active Active
- 2019-04-22 US US16/390,093 patent/US20200182365A1/en not_active Abandoned
- 2019-04-22 JP JP2021531645A patent/JP7398457B2/ja active Active
- 2019-04-22 WO PCT/US2019/028472 patent/WO2020117311A1/en unknown
- 2019-04-22 WO PCT/US2019/028469 patent/WO2020117310A1/en active Application Filing
- 2019-04-22 US US16/390,117 patent/US11098710B2/en active Active
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Also Published As
Publication number | Publication date |
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US20200182365A1 (en) | 2020-06-11 |
EP3891379A1 (en) | 2021-10-13 |
JP2022512103A (ja) | 2022-02-02 |
US20200182238A1 (en) | 2020-06-11 |
CN113167201A (zh) | 2021-07-23 |
WO2020117310A1 (en) | 2020-06-11 |
WO2020117311A1 (en) | 2020-06-11 |
US11098710B2 (en) | 2021-08-24 |
CN113167201B (zh) | 2023-05-02 |
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