JP6373499B2 - 改善された圧送挙動を示す燃料ポンプ - Google Patents
改善された圧送挙動を示す燃料ポンプ Download PDFInfo
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- JP6373499B2 JP6373499B2 JP2017526061A JP2017526061A JP6373499B2 JP 6373499 B2 JP6373499 B2 JP 6373499B2 JP 2017526061 A JP2017526061 A JP 2017526061A JP 2017526061 A JP2017526061 A JP 2017526061A JP 6373499 B2 JP6373499 B2 JP 6373499B2
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- JP
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- Prior art keywords
- seal seat
- fuel
- radius
- pumping
- fuel pump
- 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.)
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- 239000000446 fuel Substances 0.000 title claims description 50
- 230000034958 pharyngeal pumping Effects 0.000 title description 2
- 238000005086 pumping Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 14
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001704 evaporation 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
- 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
- F02M63/0054—Check 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
- F02M59/02—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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/04—Pumps peculiar thereto
-
- 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
- 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
- F02M63/0077—Valve seat details
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/02—Pumps peculiar thereto
-
- 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
- F04B53/1032—Spring-actuated 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
- F04B53/1037—Flap valves
- F04B53/1047—Flap valves the valve being formed by one or more flexible elements
- F04B53/106—Flap valves the valve being formed by one or more flexible elements the valve being a membrane
- F04B53/1067—Flap valves the valve being formed by one or more flexible elements the valve being a membrane fixed at its whole periphery and with an opening at its centre
-
- 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
- F04B53/143—Sealing provided on the 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
- F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
-
- 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
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
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)
- Reciprocating Pumps (AREA)
Description
本発明は、燃料を圧送する燃料ポンプに係り、改善された圧送挙動、特に燃料が高温である場合に、改善された圧送挙動を示す燃料ポンプに関する。
これに対して、請求項1の特徴を有する本発明に係る燃料ポンプは、改善された圧送特性、特に燃料が高温である場合の、改善された圧送特性が可能であるという利点を有する。この場合、本発明により、一方では、より僅かな圧力降下が実現され、他方では、吸い込みプロセス中、ピストン室内のより均一な圧力降下も可能となる。これにより、特に燃料が高温である場合の燃料ポンプの挙動は、気化が回避可能であることから、大幅に改善される。これにより、燃料の温度が異なるときの圧送特性線も、できる限り一定とすることができる。このことは、本発明により、燃料ポンプがピストンとダイヤフラムシール要素とを備えることで達成される。その際、ダイヤフラムシール要素は、環状の内側のシール座及び環状の外側のシール座において封止を行う。このとき、次式:
Ra2−ra2/(ri+L)2=ra/ri
が満たされている。
以下に、図1乃至3を参照しながら、本発明の好ましい一実施例に係る燃料ポンプ1について詳細に説明する。
(Ra2−ra2)/(ri+L)2=ra/ri
を満たす。
Claims (8)
- 燃料を圧送する燃料ポンプであって、
ピストン(2)と、
環状の内側のシール座(4)及び環状の外側のシール座(5)において封止を行うダイヤフラムシール要素(3)と、
を備え、
次式:
(Ra2−ra2)/(ri+L)2=ra/ri
が満たされており、ここで、
riは、前記内側のシール座(4)の内側の半径、
raは、前記外側のシール座(5)の内側の半径、
Raは、前記ピストン(2)の半径、
Lは、前記内側のシール座(4)の外側の半径(Ria)と、前記内側のシール座(4)の前記内側の半径(ri)との間の差である、
ことを特徴とする燃料ポンプ。 - 前記ダイヤフラムシール要素(3)は、円形の中央の圧送開口(30)を有する、請求項1に記載のポンプ。
- 前記ダイヤフラムシール要素(3)は、外側の保持領域(31)と内側の封止領域(32)とを有し、前記保持領域(31)と前記封止領域(32)とは、結合腕(33)を介して互いに結合されている、請求項1又は2に記載のポンプ。
- 前記結合腕(33)は、ばね腕である、請求項3に記載のポンプ。
- 前記ポンプによる圧送が行われる圧送通路(6)の直径は、前記中央の圧送開口(30)の直径より大きい、請求項2に記載のポンプ。
- 前記内側のシール座(4)の前記内側の半径(ri)は、前記圧送通路(6)の半径に等しい、請求項5に記載のポンプ。
- 環状の横断面を有する流入領域(7)をさらに備える、請求項1から6までのいずれか1項に記載のポンプ。
- 前記流入領域(7)の前記環状の横断面の面積は、前記内側のシール座(4)の面積(10)と、前記外側のシール座(5)の面積(11)との合計より大きい、請求項7に記載のポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014223198.1 | 2014-11-13 | ||
DE102014223198.1A DE102014223198A1 (de) | 2014-11-13 | 2014-11-13 | Kraftstoffpumpe mit verbessertem Förderverhalten |
PCT/EP2015/070071 WO2016074814A1 (de) | 2014-11-13 | 2015-09-02 | Kraftstoffpumpe mit verbessertem förderverhalten |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017534022A JP2017534022A (ja) | 2017-11-16 |
JP2017534022A5 JP2017534022A5 (ja) | 2017-12-28 |
JP6373499B2 true JP6373499B2 (ja) | 2018-08-15 |
Family
ID=54035251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017526061A Active JP6373499B2 (ja) | 2014-11-13 | 2015-09-02 | 改善された圧送挙動を示す燃料ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10605214B2 (ja) |
JP (1) | JP6373499B2 (ja) |
CN (1) | CN107002612B (ja) |
DE (1) | DE102014223198A1 (ja) |
TW (1) | TWI680228B (ja) |
WO (1) | WO2016074814A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11105437B2 (en) * | 2017-07-03 | 2021-08-31 | Continental Automotive Systems, Inc. | Combined inlet and outlet check valve seat |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911534A1 (de) * | 1969-03-07 | 1970-09-24 | Tuchenhagen Otto | Plunger-Pumpe |
JPS5145166A (ja) | 1974-10-16 | 1976-04-17 | Toa Nenryo Kogyo Kk | Horiparapansankeijugotaino seikeihinno seizohoho |
JPS56133982U (ja) * | 1980-03-12 | 1981-10-12 | ||
JPS6053552B2 (ja) | 1980-03-24 | 1985-11-26 | 株式会社東芝 | 無効電力補償形サイクロコンバ−タの制御方法 |
JPS57171U (ja) * | 1980-06-02 | 1982-01-05 | ||
US6199533B1 (en) * | 1999-02-01 | 2001-03-13 | Cummins Engine Company, Inc. | Pilot valve controlled three-way fuel injection control valve assembly |
US8622315B2 (en) * | 2007-09-20 | 2014-01-07 | Robert Bosch Gmbh | Fluid injector having a reed valve |
GB2452954B (en) * | 2007-09-20 | 2010-01-27 | Scion Sprays Ltd | A reed valve for a fuel injection system and a fuel injection system having such a reed valve |
JP2010084674A (ja) * | 2008-09-30 | 2010-04-15 | Yamada Seisakusho Co Ltd | バキュームポンプ用逆止弁 |
GB2478876B (en) * | 2009-03-31 | 2012-03-21 | Scion Sprays Ltd | A fluid injector having a novel inlet valve arrangement |
DE102012211106A1 (de) * | 2012-06-28 | 2014-01-02 | Robert Bosch Gmbh | Kraftstoffhochdruck-Kolbenpumpe |
-
2014
- 2014-11-13 DE DE102014223198.1A patent/DE102014223198A1/de active Pending
-
2015
- 2015-09-02 US US15/525,946 patent/US10605214B2/en active Active
- 2015-09-02 WO PCT/EP2015/070071 patent/WO2016074814A1/de active Application Filing
- 2015-09-02 CN CN201580061299.4A patent/CN107002612B/zh active Active
- 2015-09-02 JP JP2017526061A patent/JP6373499B2/ja active Active
- 2015-11-11 TW TW104137146A patent/TWI680228B/zh active
Also Published As
Publication number | Publication date |
---|---|
DE102014223198A1 (de) | 2016-05-19 |
JP2017534022A (ja) | 2017-11-16 |
CN107002612B (zh) | 2019-10-18 |
TWI680228B (zh) | 2019-12-21 |
CN107002612A (zh) | 2017-08-01 |
WO2016074814A1 (de) | 2016-05-19 |
US10605214B2 (en) | 2020-03-31 |
US20170321643A1 (en) | 2017-11-09 |
TW201629334A (zh) | 2016-08-16 |
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