EP1389684A1 - Pompe d'amorçage multicouche. - Google Patents
Pompe d'amorçage multicouche. Download PDFInfo
- Publication number
- EP1389684A1 EP1389684A1 EP03291743A EP03291743A EP1389684A1 EP 1389684 A1 EP1389684 A1 EP 1389684A1 EP 03291743 A EP03291743 A EP 03291743A EP 03291743 A EP03291743 A EP 03291743A EP 1389684 A1 EP1389684 A1 EP 1389684A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- priming pump
- envelope
- pump according
- thickness
- 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
Links
- 230000037452 priming Effects 0.000 title claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000004952 Polyamide Substances 0.000 claims description 15
- 229920002647 polyamide Polymers 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- -1 polyphenylene Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 229920012287 polyphenylene sulfone Polymers 0.000 claims description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 150000003457 sulfones Chemical class 0.000 claims description 4
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 2
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 abstract description 6
- 239000000806 elastomer Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 21
- 239000000446 fuel Substances 0.000 description 10
- 150000002148 esters Chemical class 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
-
- 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
- F02M37/16—Feeding by means of driven pumps characterised by provision of personally-, e.g. manually-, operated pumps
Definitions
- the invention relates to a priming pump in particular intended to equip a fuel supply circuit of a motor vehicle.
- the enclosure has inlet connection areas and at the exit of the central zone which include directional valves arranged to allow passage of the fluid in a determined direction as the pressures exerted on the envelope.
- New automotive engines (including diesel engines with common injection rail) have the particularity to work at a high average temperature, the fuel can for example be brought to 125 ° Celsius continuously, even 150 ° Celsius at peak.
- the priming pumps can be mounted as a bypass of the injection pump on the supply circuit and no longer in series with this one, so that the interior of the priming pump is no longer swept by the fuel flow but on the contrary contains stagnant fuel.
- the large amplitude of the variations of temperature is added the acidity which the fuel at high temperatures which, combined, causes premature degradation of the envelope.
- the additives contained in the new fuels provided for this type of engines are particularly corrosive to the material of the envelope, especially at high temperature.
- the object of the invention is to propose a pump initiation does not have the aforementioned drawbacks.
- a pump is proposed.
- multilayer priming with an envelope comprising a elastic outer layer of elastomeric material and a internal layer forming a barrier for the fluid present at inside the pump.
- Inner layer prevents fuel from entering in the elastomer of the outer layer or react chemically with this one.
- the latter can be carried out in one common type elastomer, which, subject only to temperature variations, is able to keep its properties elastic over time.
- the envelope thus obtained is certainly more expensive than a single-layer envelope made of common elastomer, but remains nevertheless of a cost much lower than a single-layer fluoroelastomer shell. In addition, his recycling is easier.
- a pump casing priming comprises in a manner known per se a central zone 1 of large diameter and deformable by hand, the central zone being associated with connection zones 2 which extend on either side of it and which contain directional valves (not shown).
- the pump casing boot is multi-layered and includes an outer layer 3 and an inner layer 4.
- the outer layer 3 is here made of elastomer common type, preferably a thermoplastic polyether ester base (TPEE), which provides to the central zone 1 of the envelope a good elasticity and which withstands large variations in temperature.
- TPEE thermoplastic polyether ester base
- an intermediate bonding layer may be provided between the outer layer 3 and the inner layer 4 to ensure good adhesion of two layers between them.
- the materials recommended according to the invention for the inner layer 4 are generally less elastic than the material used for the outer layer 3, so that the thicknesses of the layers are likely influence the elasticity of the priming pump.
- the area central unit 1 of the envelope has a diameter of 40 mm, the minimum thicknesses of the inner and outer layers being 0.3 mm and 0.55 mm respectively, while the zones of connection 2 have a diameter of 21 mm and the thicknesses minimum internal and external layers are 0.55 mm and 0.85 mm respectively.
- the inner layer has a thickness local relative between 30% and 40% of the total local thickness of the envelope.
- This range of relative thickness makes it possible to preserve a satisfactory elasticity of the envelope.
- Such priming pumps can be obtained by coextrusion of the constituent layers of the pumps for forming a multilayer tube, then forming the tube (by example using a movable mold device placed at the extruder outlet) in a string of pumps of priming, which then suffices to charge.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Laminated Bodies (AREA)
- Rotary Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- External Artificial Organs (AREA)
Abstract
Description
- polyamide (PA) ;
- polyphénylène de sulfone (PPS)
- mélange de sulfone de polyphénylène (PPS) et de polyamide (PA) ;
- mélange de polyamide (PA) et de polyoléfine (PO);
- téréphtalate de polybutylène (PBT).
- épaisseur de la couche interne : 0,1 à 1 mm
- épaisseur de la couche externe : 0,1 à 2 mm
Claims (6)
- Pompe d'amorçage, comprenant une enveloppe avec une zone centrale (1) élastiquement déformable raccordée à deux zones de raccord (2), caractérisée en ce que l'enveloppe comprend une couche externe (3) en matériau élastomère et une couche interne (4) en matériau formant barrière pour le fluide présent à l'intérieur de la pompe.
- Pompe d'amorçage selon la revendication 1, caractérisée en ce que l'enveloppe comporte en outre une couche intermédiaire de liaison entre la couche externe (3) et la couche interne (4).
- Pompe d'amorçage selon la revendication 1, caractérisé en ce que la couche interne (4) est réalisée dans l'un des matériaux suivants :polyamide ;polyphénylène de sulfone ;mélange de sulfone de polyphénylène et de polyamide ;mélange de polyamide et de polyoléfine ;téréphtalate de polybutylène.
- Pompe d'amorçage selon la revendication 1, caractérisée en ce que la couche interne (4) a une épaisseur comprise entre 0,1 mm et 1 mm.
- Pompe d'amorçage selon la revendication 1, caractérisée en ce que la couche externe (3) a une épaisseur comprise entre 0,1 mm et 2 mm.
- Pompe d'amorçage selon la revendication 1, caractérisé en ce que la couche interne (4) a une épaisseur relative locale comprise entre 30% et 40% de l'épaisseur totale locale de l'enveloppe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI200331475T SI1389684T1 (sl) | 2002-08-13 | 2003-07-15 | Večplastna črpalka za nasesavanje |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0210265 | 2002-08-13 | ||
| FR0210265A FR2843619B1 (fr) | 2002-08-13 | 2002-08-13 | Pompe d'amorcage multicouche |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1389684A1 true EP1389684A1 (fr) | 2004-02-18 |
| EP1389684B1 EP1389684B1 (fr) | 2008-09-24 |
Family
ID=30471098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03291743A Expired - Lifetime EP1389684B1 (fr) | 2002-08-13 | 2003-07-15 | Pompe d'amorçage multicouche. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7021195B2 (fr) |
| EP (1) | EP1389684B1 (fr) |
| JP (1) | JP2004076729A (fr) |
| AT (1) | ATE409284T1 (fr) |
| BR (1) | BR0302754A (fr) |
| DE (1) | DE60323714D1 (fr) |
| ES (1) | ES2314166T3 (fr) |
| FR (1) | FR2843619B1 (fr) |
| MX (1) | MXPA03007057A (fr) |
| PL (1) | PL361511A1 (fr) |
| RU (1) | RU2277184C2 (fr) |
| SI (1) | SI1389684T1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006071156A1 (fr) * | 2004-12-29 | 2006-07-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Interception d'un abonnement telephonique sans reglement direct |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8069830B2 (en) * | 2008-02-08 | 2011-12-06 | Christopher Brown | Rigid primer bulb pump |
| US8631777B2 (en) | 2008-02-08 | 2014-01-21 | Bluskies International Llc | Rigid primer bulb pump |
| FR2941500B1 (fr) * | 2009-01-29 | 2011-07-15 | Peugeot Citroen Automobiles Sa | Pompe d'amorcage manuelle d'un circuit d'alimentation en carburant d'un moteur a combustion |
| FR2948731B1 (fr) | 2009-07-29 | 2014-05-09 | Peugeot Citroen Automobiles Sa | Dispositif et procede d'amorcage d'un circuit de carburant d'un moteur a combustion |
| US8403654B2 (en) * | 2010-03-31 | 2013-03-26 | Rl Hudson & Company | Low fuel permeation primer bulb |
| US20120070325A1 (en) * | 2010-09-17 | 2012-03-22 | Wireman Justin Mccord | Multi-layer primer apparatus and methods |
| CN102452085B (zh) | 2010-10-28 | 2016-01-27 | 吉列公司 | 用于分配液体的毛发移除装置的泵 |
| CN102452091B (zh) | 2010-10-28 | 2015-08-12 | 吉列公司 | 用于毛发移除装置的具有导流板的施用装置 |
| CN102452095B (zh) | 2010-10-28 | 2014-10-29 | 吉列公司 | 用于分配液体的毛发移除装置的施用装置 |
| CN102452094A (zh) | 2010-10-28 | 2012-05-16 | 吉列公司 | 分配液体的毛发移除套件 |
| CN102452088B (zh) | 2010-10-28 | 2015-07-01 | 吉列公司 | 具有刀片架保持覆盖件的毛发移除装置 |
| CN102452092B (zh) | 2010-10-28 | 2015-04-01 | 吉列公司 | 分配液体的毛发移除装置 |
| US9156175B2 (en) | 2011-12-09 | 2015-10-13 | The Gillette Company | Fluid applicator for a personal-care appliance |
| CN102410116A (zh) * | 2011-12-19 | 2012-04-11 | 芜湖盛力制动有限责任公司 | 商用车柴油机燃油系统手动输油泵 |
| CN113565659A (zh) * | 2021-07-20 | 2021-10-29 | 河北华北柴油机有限责任公司 | 一种手打燃油泵可靠性考核方法 |
| WO2023201036A1 (fr) * | 2022-04-14 | 2023-10-19 | Viking Pump, Inc. | Pompe à revêtement interne extensible |
| US20240226421A9 (en) * | 2022-10-24 | 2024-07-11 | Carefusion 303, Inc. | Pumps for improving fluid delivery and methods of use thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684598A (en) * | 1946-12-09 | 1952-12-24 | Carter Carburetor Corp | Coated fabrics suitable for use as a diaphragm for a fuel pump |
| US2954048A (en) * | 1959-02-05 | 1960-09-27 | Frank J Rychlik | Pump and valve therefor |
| US3987775A (en) * | 1975-04-16 | 1976-10-26 | Walbro Corporation | Squeeze-tube primer for internal combustion engines |
| WO1994010491A1 (fr) * | 1992-10-30 | 1994-05-11 | Nobel Plastiques | Canalisation de fluide realisee en matiere plastique |
| FR2703403A1 (fr) * | 1993-03-29 | 1994-10-07 | Meillor Sa | Poire d'amorçage notamment d'un circuit de carburant pour moteur diesel. |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US523345A (en) * | 1894-07-24 | Syringe | ||
| US3839983A (en) * | 1973-02-05 | 1974-10-08 | Ausland R Mc | Bilge pump having snubbing action |
| JPS5163502U (fr) * | 1974-11-14 | 1976-05-19 | ||
| JPS52149604A (en) * | 1976-06-07 | 1977-12-12 | Walbro Corp | Primer pumps |
| JPS57134377U (fr) * | 1981-02-18 | 1982-08-21 | ||
| JPS61130756U (fr) * | 1985-01-31 | 1986-08-15 | ||
| US4886432A (en) * | 1988-06-23 | 1989-12-12 | Engineering Enterprises, Inc. | Bladder pump assembly |
| JPH0447185U (fr) * | 1990-08-24 | 1992-04-22 | ||
| IT1259526B (it) * | 1992-04-07 | 1996-03-20 | Saiag Ind Spa | Dispositivo di connessione e/o derivazione per tubazioni flessibili. |
| JPH09234827A (ja) * | 1996-02-28 | 1997-09-09 | Toyoda Gosei Co Ltd | 層状成形体 |
| RU2095676C1 (ru) * | 1995-07-18 | 1997-11-10 | Акционерное общество закрытого типа "Композит-нефть" | Труба |
| US5970935A (en) * | 1998-09-03 | 1999-10-26 | Federal-Mogul World Wide, Inc. | Fuel system primer bulb |
| JP4556333B2 (ja) * | 2000-10-03 | 2010-10-06 | 東海ゴム工業株式会社 | 自動車用ホース |
-
2002
- 2002-08-13 FR FR0210265A patent/FR2843619B1/fr not_active Expired - Fee Related
-
2003
- 2003-07-15 DE DE60323714T patent/DE60323714D1/de not_active Expired - Lifetime
- 2003-07-15 EP EP03291743A patent/EP1389684B1/fr not_active Expired - Lifetime
- 2003-07-15 AT AT03291743T patent/ATE409284T1/de not_active IP Right Cessation
- 2003-07-15 SI SI200331475T patent/SI1389684T1/sl unknown
- 2003-07-15 ES ES03291743T patent/ES2314166T3/es not_active Expired - Lifetime
- 2003-07-30 PL PL03361511A patent/PL361511A1/xx not_active IP Right Cessation
- 2003-08-01 JP JP2003205332A patent/JP2004076729A/ja active Pending
- 2003-08-07 MX MXPA03007057A patent/MXPA03007057A/es active IP Right Grant
- 2003-08-08 US US10/636,693 patent/US7021195B2/en not_active Expired - Fee Related
- 2003-08-08 BR BR0302754-6A patent/BR0302754A/pt active Search and Examination
- 2003-08-12 RU RU2003125140/06A patent/RU2277184C2/ru not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684598A (en) * | 1946-12-09 | 1952-12-24 | Carter Carburetor Corp | Coated fabrics suitable for use as a diaphragm for a fuel pump |
| US2954048A (en) * | 1959-02-05 | 1960-09-27 | Frank J Rychlik | Pump and valve therefor |
| US3987775A (en) * | 1975-04-16 | 1976-10-26 | Walbro Corporation | Squeeze-tube primer for internal combustion engines |
| WO1994010491A1 (fr) * | 1992-10-30 | 1994-05-11 | Nobel Plastiques | Canalisation de fluide realisee en matiere plastique |
| FR2703403A1 (fr) * | 1993-03-29 | 1994-10-07 | Meillor Sa | Poire d'amorçage notamment d'un circuit de carburant pour moteur diesel. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006071156A1 (fr) * | 2004-12-29 | 2006-07-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Interception d'un abonnement telephonique sans reglement direct |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1389684B1 (fr) | 2008-09-24 |
| SI1389684T1 (sl) | 2009-04-30 |
| US20040033143A1 (en) | 2004-02-19 |
| US7021195B2 (en) | 2006-04-04 |
| MXPA03007057A (es) | 2004-10-15 |
| BR0302754A (pt) | 2004-08-24 |
| RU2003125140A (ru) | 2005-02-27 |
| FR2843619B1 (fr) | 2006-01-06 |
| DE60323714D1 (de) | 2008-11-06 |
| FR2843619A1 (fr) | 2004-02-20 |
| ES2314166T3 (es) | 2009-03-16 |
| PL361511A1 (en) | 2004-02-23 |
| RU2277184C2 (ru) | 2006-05-27 |
| JP2004076729A (ja) | 2004-03-11 |
| ATE409284T1 (de) | 2008-10-15 |
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