JP2018071549A - 高圧ポンプ - Google Patents
高圧ポンプ Download PDFInfo
- Publication number
- JP2018071549A JP2018071549A JP2017234856A JP2017234856A JP2018071549A JP 2018071549 A JP2018071549 A JP 2018071549A JP 2017234856 A JP2017234856 A JP 2017234856A JP 2017234856 A JP2017234856 A JP 2017234856A JP 2018071549 A JP2018071549 A JP 2018071549A
- Authority
- JP
- Japan
- Prior art keywords
- pump unit
- low pressure
- elastic member
- pressure chamber
- valve
- 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.)
- Granted
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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
- 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
- F02M59/445—Selection of particular materials
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/025—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by a single 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
- 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
- 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
-
- 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
- F02M59/464—Inlet valves of the check valve type
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0452—Distribution members, e.g. 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
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/22—Other positive-displacement pumps of reciprocating-piston type
-
- 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
- F04B53/06—Venting
-
- 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
-
- 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
- F04B53/1022—Disc valves having means for guiding the closure member axially
-
- 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Details Of Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
12…ポンプヘッド
14…穴
16…圧縮チャンバ
18…座部
20…バルブ
22…流体通路
24…フランジ
26…円錐部
28…円筒部
30…肩部面
32…ねじ付キャップ
34…凹部
36…通気穴
38…柔軟部材
40…低圧チャンバ
42…入口チャネル
44…頂部キャップ
46…交差方向頂部壁
48…周囲壁
50…脚部
52…平坦面
54…ナット
A…主軸線
Claims (8)
- ポンプヘッド(12)を有する高圧燃料ポンプユニット(10)であって、
入口チャネル(42)が低圧チャンバ(40)に開口し、該低圧チャンバ(40)自体は圧縮チャンバ(16)と流体連通し、
前記流体連通は、バルブ(20)によって制御され、
前記バルブ(20)は、該バルブが閉じられたときに、燃料が前記低圧チャンバ(40)を満たし、前記バルブが開いたときに、前記燃料が前記低圧チャンバ(40)から前記圧縮チャンバ(16)に流入するように構成され、
前記ポンプヘッド(12)は、さらに、弾性部材(38,46)を備え、
前記弾性部材(38,46)は、前記バルブ(20)が閉じられたときに、前記弾性部材(38,46)が変形して前記低圧チャンバ(40)の容積を増大させ、前記バルブ(20)が開いたときに、そのもとの形状に戻る前記弾性部材(38,46)によって押されて、前記燃料が前記圧縮チャンバ(16)に流入するように構成された
ポンプユニット。 - 請求項1に記載のポンプユニット(10)であって、
前記低圧チャンバ(40)は、複数の周囲壁を有し、
前記弾性部材(38,46)は、前記複数の周囲壁のうちの1つである
ポンプユニット。 - 請求項2に記載のポンプユニット(10)であって、
前記低圧チャンバ(40)は、前記ポンプヘッド(12)のハウジングに固定された頂部キャップ(44)内に形成され、
前記頂部キャップ(44)は、ポンプハウジングから離れる方向に延在する筒状壁(48)を有し、
前記弾性部材(46)は、交差方向頂部壁(46)である
ポンプユニット。 - 請求項3に記載のポンプユニット(10)であって、
前記頂部キャップ(44)は、薄い金属シートから形成され、その結果、前記交差方向頂部壁(46)は、柔軟であり、前記弾性部材(46)を形成する
ポンプユニット。 - 請求項1に記載のポンプユニット(10)であって、
さらに、前記ポンプヘッド(12)に固定されるフランジ(24)を備え、
前記フランジ(24)には、前記低圧チャンバ(40)に対する側壁を形成する貫通穴が設けられており、
前記貫通穴は、前記弾性部材(38)によって閉じられる
ポンプユニット。 - 請求項5に記載のポンプユニット(10)であって、
前記貫通穴には、内部肩部面に当接するねじ付キャップ(32)を受け入れるように内ねじ部が設けられ、
前記弾性部材(38)は、前記肩部(30)と前記ねじ付キャップ(32)との間に伸張された弾性膜(38)である
ポンプユニット。 - 請求項6に記載のポンプユニット(10)であって、
前記カバーの内面の面には、凹面と前記弾性膜との間に相補的なチャンバを形成する凹
部(34)が設けられている
ポンプユニット。 - 請求項7に記載のポンプユニット(10)であって、
さらに、前記相補的なチャンバを外部と接続する通気穴(36)が設けられた
ポンプユニット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1313338.4 | 2013-07-26 | ||
GBGB1313338.4A GB201313338D0 (en) | 2013-07-26 | 2013-07-26 | High Pressure Pump |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016528386A Division JP2016527434A (ja) | 2013-07-26 | 2014-06-30 | 高圧ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018071549A true JP2018071549A (ja) | 2018-05-10 |
JP6695848B2 JP6695848B2 (ja) | 2020-05-20 |
Family
ID=49166964
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016528386A Pending JP2016527434A (ja) | 2013-07-26 | 2014-06-30 | 高圧ポンプ |
JP2017234856A Active JP6695848B2 (ja) | 2013-07-26 | 2017-12-07 | 高圧ポンプ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016528386A Pending JP2016527434A (ja) | 2013-07-26 | 2014-06-30 | 高圧ポンプ |
Country Status (7)
Country | Link |
---|---|
US (1) | US10267278B2 (ja) |
EP (1) | EP3025051B1 (ja) |
JP (2) | JP2016527434A (ja) |
KR (1) | KR102189005B1 (ja) |
CN (1) | CN105593510B (ja) |
GB (1) | GB201313338D0 (ja) |
WO (1) | WO2015010856A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102425730B1 (ko) * | 2014-12-24 | 2022-07-28 | 로베르트 보쉬 게엠베하 | 내연기관으로 연료, 바람직하게는 디젤 연료를 이송하기 위한 펌프 유닛 |
DE102015220870A1 (de) | 2015-10-26 | 2017-04-27 | Robert Bosch Gmbh | Hochdruckpumpe |
ITUB20159778A1 (it) * | 2015-12-30 | 2017-06-30 | Bosch Gmbh Robert | Pompa per alimentare carburante ad alta pressione ad un motore a combustione interna |
ITUA20161816A1 (it) * | 2016-03-18 | 2017-09-18 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
EP3517770B1 (en) * | 2016-09-26 | 2021-06-09 | Eagle Industry Co., Ltd. | Metal diaphragm damper |
DE102016221497A1 (de) * | 2016-11-02 | 2018-05-03 | Hyundai Motor Company | Hochdruckpumpenanordnung für einen Verbrennungsmotor und Verfahren zum Herstellen dergleichen |
IT201600114815A1 (it) * | 2016-11-14 | 2018-05-14 | Bosch Gmbh Robert | Gruppo pompa per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
IT201600121599A1 (it) * | 2016-11-30 | 2018-05-30 | Bosch Gmbh Robert | Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna |
GB2576707B (en) * | 2018-08-20 | 2021-05-19 | Delphi Tech Ip Ltd | HP pump of a fuel injection system |
CN113819291B (zh) * | 2021-11-25 | 2022-02-08 | 四川宏华电气有限责任公司 | 一种往复泵免敲击阀盖装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11159416A (ja) * | 1997-09-25 | 1999-06-15 | Mitsubishi Electric Corp | 筒内噴射式エンジンの高圧燃料ポンプ体 |
JP2001059466A (ja) * | 1999-08-20 | 2001-03-06 | Mitsubishi Electric Corp | 高圧燃料ポンプ |
EP2410167A1 (en) * | 2009-03-17 | 2012-01-25 | Toyota Jidosha Kabushiki Kaisha | Pulsation damper |
WO2013035132A1 (ja) * | 2011-09-06 | 2013-03-14 | トヨタ自動車株式会社 | 燃料ポンプおよび内燃機関の燃料供給システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW384358B (en) * | 1997-09-25 | 2000-03-11 | Mitsubishi Electric Corp | High pressure fuel supply pump body for an in-cylinder fuel injection engine |
JP2007120356A (ja) | 2005-10-26 | 2007-05-17 | Toyota Motor Corp | 内燃機関の燃料配管構造 |
JP2008057451A (ja) * | 2006-08-31 | 2008-03-13 | Hitachi Ltd | 高圧燃料供給ポンプ |
JP4686501B2 (ja) * | 2007-05-21 | 2011-05-25 | 日立オートモティブシステムズ株式会社 | 液体脈動ダンパ機構、および液体脈動ダンパ機構を備えた高圧燃料供給ポンプ |
DE102011090186A1 (de) | 2011-12-30 | 2013-07-04 | Continental Automotive Gmbh | Niederdruckdämpfer für Kraftstoffpumpen |
DE102013212565A1 (de) * | 2013-06-28 | 2014-12-31 | Robert Bosch Gmbh | Kraftstoffhochdruckpumpe |
-
2013
- 2013-07-26 GB GBGB1313338.4A patent/GB201313338D0/en not_active Ceased
-
2014
- 2014-06-30 JP JP2016528386A patent/JP2016527434A/ja active Pending
- 2014-06-30 KR KR1020167000359A patent/KR102189005B1/ko active IP Right Grant
- 2014-06-30 CN CN201480042346.6A patent/CN105593510B/zh active Active
- 2014-06-30 WO PCT/EP2014/063805 patent/WO2015010856A1/en active Application Filing
- 2014-06-30 EP EP14734796.7A patent/EP3025051B1/en active Active
- 2014-06-30 US US14/906,979 patent/US10267278B2/en active Active
-
2017
- 2017-12-07 JP JP2017234856A patent/JP6695848B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11159416A (ja) * | 1997-09-25 | 1999-06-15 | Mitsubishi Electric Corp | 筒内噴射式エンジンの高圧燃料ポンプ体 |
JP2001059466A (ja) * | 1999-08-20 | 2001-03-06 | Mitsubishi Electric Corp | 高圧燃料ポンプ |
EP2410167A1 (en) * | 2009-03-17 | 2012-01-25 | Toyota Jidosha Kabushiki Kaisha | Pulsation damper |
WO2013035132A1 (ja) * | 2011-09-06 | 2013-03-14 | トヨタ自動車株式会社 | 燃料ポンプおよび内燃機関の燃料供給システム |
Also Published As
Publication number | Publication date |
---|---|
JP2016527434A (ja) | 2016-09-08 |
US20160160823A1 (en) | 2016-06-09 |
EP3025051A1 (en) | 2016-06-01 |
EP3025051B1 (en) | 2019-05-08 |
KR102189005B1 (ko) | 2020-12-10 |
CN105593510A (zh) | 2016-05-18 |
JP6695848B2 (ja) | 2020-05-20 |
WO2015010856A1 (en) | 2015-01-29 |
GB201313338D0 (en) | 2013-09-11 |
US10267278B2 (en) | 2019-04-23 |
KR20160033687A (ko) | 2016-03-28 |
CN105593510B (zh) | 2019-04-16 |
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