WO2016010449A1 - Agencement et procédé pour injection de fluide - Google Patents

Agencement et procédé pour injection de fluide Download PDF

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Publication number
WO2016010449A1
WO2016010449A1 PCT/RU2014/000523 RU2014000523W WO2016010449A1 WO 2016010449 A1 WO2016010449 A1 WO 2016010449A1 RU 2014000523 W RU2014000523 W RU 2014000523W WO 2016010449 A1 WO2016010449 A1 WO 2016010449A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
chamber
pipe
injection
reservoir
Prior art date
Application number
PCT/RU2014/000523
Other languages
English (en)
Inventor
Alexandra Igorevna BOTYACHKOVA
Gennadiy Gennadievich KARPINSKIY
Stepan Alexandrovich Polikhov
Taras Vladimirovich BONDARENKO
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/RU2014/000523 priority Critical patent/WO2016010449A1/fr
Publication of WO2016010449A1 publication Critical patent/WO2016010449A1/fr

Links

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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/02—Floatless carburettors
    • F02M17/04—Floatless carburettors having fuel inlet valve controlled by diaphragm
    • 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
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0017—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor related to fuel pipes or their connections, e.g. joints or sealings
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/06—Pumps peculiar thereto
    • F02M45/063—Delivery stroke of piston being divided into two or more parts, e.g. by using specially shaped cams
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/10—Other injectors with multiple-part delivery, e.g. with vibrating 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/02—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 of valveless type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits

Definitions

  • the present invention relates to an arrangement and method for fluid injection, comprising an injector, with a chamber for fluid, an opening and a device to change the volume within the chamber.
  • the arrangement further comprises a reservoir to store fluid and a pipe for a fluidic connection between the chamber and the reservoir.
  • High frequency, i.e. higher than 10 Hz and high pressure injectors are complex electro- hydraulic systems. They comprise moving parts like valves and actuators, which are required for refilling the injection volume and for keeping fluid within the volume. Moving parts increase the risk of failures and are wear parts, increasing service costs and maintenance effort.
  • Pulse mode is used in the following in the meaning of a periodic injection, with a fluid injection for a certain period of time, followed by a time without fluid injection, and a following next injection after the time without injection.
  • the injector In the time without injection the injector can be refilled.
  • the injector is refilled after each injection from a storage tank, the so called reservoir, which is connected to the injector by a supply pipe.
  • Pulse mode injection is known from the state of the art, for example described in US5437255, where a fluid is injected for fuel supply. Fuel, which is stored in a
  • pressurized fuel tank is supplied through a straight pipe to the injection volume, driven by capillary forces.
  • a nozzle in form of a hole in the injector to supply fluid for a working volume, keeps liquid inside the injector by means of surface tension, until the pressure is high enough to
  • injectors for high repetition rate high speed jet generation are described.
  • the field of application for this kind of injectors is for example medical drug delivery to soft tissues without use of needles. Contrary to above described injectors, these
  • injectors comprise a one-way valve, i.e. a check-valve arranged in the supply pipe between the storage tank and the injector.
  • the valve limits the back flow of fluid during injection.
  • Check-valves comprise moving parts, as there are springs and/or closing bodies, for example discs, balls and so on, limiting the reliability and adding sufficient
  • the object of the present invention is to present an
  • the object is to present an easy to use, cheap to produce, reliable arrangement and a method with an injector to inject fluid and being refilled from a reservoir without the need of moving parts like valves to prevent a high amount of fluid to flow back to the
  • a further object is to present an arrangement without high complexity, which is long lasting due to a reduction of wear parts, even in high frequency injection applications.
  • the arrangement for fluid injection comprises an injector, with a chamber for fluid, an opening and a device to change the volume within the chamber.
  • the arrangement further comprises a reservoir to store fluid and a pipe for a fluidic connection between the chamber and the reservoir.
  • the pipe comprises a part with curved and/or angled shape in fluid flow direction.
  • the curved and/or angled shape of the pipe which extends in the direction of fluid flow, allows during refilling a fluid to flow from the reservoir to the chamber of the injector, and blocks a fluid flow back from the chamber to the
  • the fluidic connection between the chamber and the reservoir can be an uninterrupted direct connection through the pipe and/or permanent. This means, there are no valves or other fluidically disrupting components arranged in the fluidic connection between the chamber and the reservoir.
  • a pipe with curved and/or angled shape without moving parts like valves is easy to use, cheap to produce, and reliable, without high complexity, and is long lasting due to no moving parts, reducing wear.
  • the pipe can comprise a part in form of a repeated loop, particularly the pipe comprises a part with spiral shape. This design is easy to produce without high costs.
  • the repeated loops are well able to block fluid flow back to the reservoir during injection, even when fluid would flow with high velocity in a pipe without loops.
  • the pipe can comprise a part with spiral shape with a number of full loops in the range of 5 to 15, and/or a predefined radius of curvature and cross-section to result in a limited and/or turbulent fluid flow in direction to the reservoir in a phase of injection and to a laminar fluid flow in direction to the chamber during a phase of refilling.
  • Turbulent flow is blocking fluid from flowing back to the reservoir from the injector chamber during injection.
  • a laminar flow allows a good refilling of the chamber in the injector with fluid from the reservoir due to a good flow of fluid from the reservoir to the injector.
  • a number of loops between 5 to 15 is high enough to block fluid flow during injection and low enough to allow a good fluid flow within the pipe during refilling without high resistance to the fluid to flow.
  • the dimensions of the injector and reservoir, the material of the pipe, the cross- section and radius of curvature as well as number of loops needed to block fluid flow during injection can be
  • the fluid can be a liquid.
  • the liquid can be among others water, ink, solder or mixtures of liquids.
  • the whole arrangement can be arranged in vacuum or air.
  • pipe and reservoir should be chosen.
  • the injector can be designed for high pressure pulsed fluid injection, particularly with an injection frequency in the range of 10 to 1000 Hz. At this frequency the use of valves is difficult to handle and involves a high amount of wear.
  • the curved and/or angled shape part in the pipe is well able to block fluid flow during injection due to a hydraulic hammer effect.
  • the device can comprise a metal sheet, a membrane and/or a piezo element for a volume change within the chamber, particularly with a frequency in the range of 10 to 1000 Hz and/or to produce a high pressure within the chamber for pulsed fluid injection through the opening.
  • the injector can comprise a nozzle cup, particularly with a sharp edge orifice, and/or a clamped circular membrane, and/or a piston particularly driven by a piezo-actuator .
  • invention particularly using an arrangement as described above, comprises the steps injecting fluid through an opening from a chamber comprised by an injector.
  • the injection is effected by changing the volume of the chamber with a device, producing a high pressure in the fluid in the chamber.
  • a further comprised step is refilling the chamber with fluid from a reservoir, the fluid flowing from the reservoir to the chamber through the pipe.
  • the fluid flow in the pipe is limited by a part of the pipe with curved and/or angled shape in fluid flow direction during injection.
  • the fluid flow in the pipe can be laminar during refilling and at least partly turbulent during injection.
  • a pulsed fluid injection can follow in time to a refilling of the chamber with fluid from the reservoir, particularly with liquid fluid.
  • the device can produce high fluid pressure in the chamber for injection and low fluid pressure during refilling, effecting suction of fluid from the reservoir to the chamber.
  • During injection fluid flow from the chamber to the reservoir can be limited and/or blocked by the part of the pipe with curved and/or angled shape, particularly with the form of a spiral .
  • a piston driven by a piezo-actuator can produce high pressure in the chamber by compressing a
  • hydraulic liquid volume deforming a membrane, particularly a clamped circular membrane, to reduce the volume of the chamber with fluid being ejected from the chamber through an opening, particularly in form of a nozzle cup with sharp edge orifice, and fluid being blocked from flowing to the
  • a piston driven by a piezo-actuator can produce low pressure in the chamber by expanding a hydraulic liquid volume, deforming a membrane, particularly a clamped circular membrane, to increase the volume of the chamber with fluid being sucked from the reservoir to the chamber through the pipe.
  • FIG 1 illustrates an arrangement 1 according to the
  • FIG 2 shows the spiral part 9 of the pipe 7 in FIG 1 in more detail
  • FIG 3 shows an embodiment of the injector of FIG 1 in
  • FIG 1 an arrangement 1 according to the present invention is shown, with an injector 2 and a reservoir 6 fluidically connected by a pipe 7.
  • the pipe comprises a spiral part 9 to allow laminar fluid flow during refilling of the injector 2 with liquid from the reservoir 6, and to block fluid flow from the injector 2 to the reservoir 6 during injection of fluid from the injector 2.
  • the injector 2 comprises a chamber 3 filled with fluid to be injected.
  • the volume of the chamber 3 is for example in the range of 1 cm 3 .
  • the fluid can be among others a liquid like ink, liquid solder, or fuel.
  • Injected means ejected from the chamber 3 via an opening 4 in the chamber 3 to the outside of the chamber 3, i.e. the outside of the injector 2.
  • the injector 2 comprises a device 5 to change the volume within the chamber 3.
  • the device 5 can be for example a piezoelectric device, formed to reduce the volume of the chamber 3 for example after applying a first electrical voltage.
  • the volume reduction increases the pressure in the chamber 3 and a fluid stream with a flow direction 8 as shown in Fig 1 is ejected out of the chamber 3 through the opening 4.
  • the fluid stream is injected when the surface tension of the liquid at the opening 4 is overcome.
  • the injection leads to a reduction of pressure in the chamber 3 up to a point the pressure is below a value to overcome the surface tension, where the injection stops.
  • the device 5 for example the piezo-electric device can increase the volume of the chamber 3 for example after applying a second electrical voltage, particularly with opposite sign of the electrical voltage.
  • the volume increase leads to a pressure reduction in the chamber 3.
  • Fluid is sucked from the reservoir 6, which is filled with fluid, through the pipe 7 to the chamber 3 of the injector 2.
  • the chamber 3 is refilled with fluid and the process can start again from the beginning, injecting fluid.
  • a pulsed injection of fluid can be generated continuously or interrupted.
  • Various periods of injection and refilling can be chosen according to the application of the arrangement 1.
  • the injection and refilling can be periodical with the same time intervals or with changing time intervals.
  • the pressure in reservoir 6 is chosen to be low enough, not to overcome surface tension at the opening 4 without moving of parts of device 5. As long pressure in the reservoir 6 is below a limit, set by the diameter of opening 4 and fluid surface tension, no fluid is leaving the arrangement 1.
  • the limit depends among others from the environment of the arrangement 1, particularly the pressure for example in vacuum or air.
  • the cross section of the pipe 7 is larger than the cross section of the opening 4 in the chamber 3.
  • an example for an inner diameter of the pipe 7 D2 is 200 Micrometer and a diameter of the opening 4 Dl is 50 Micrometer.
  • the time interval to refill is for example in the order of ten times longer than the time interval to inject. A short time
  • FIG 2 a spiral part of pipe 7 is shown in more detail.
  • the number of windings of the spiral 9, the cross-section for fluid flow in the pipe 7 in relation to the cross-section of opening 4 and/or the volume of the chamber 3, particularly depending on the speed of volume change by device 5 and/or the time interval for refilling and injection, are calculated and/or predefined to get an injection of fluid from the injector 2, particularly overcoming the surface tension of the fluid at opening 4, and to result in a blocking of fluid flow in the pipe 7 at the spiral part 9 during injection.
  • the refilling time period and the number of windings of the spiral 9 are chosen to result during refilling in a laminar fluid flow to refill the chamber 3 from the reservoir 6 without or with little flow resistance and/or friction losses.
  • a good refilling results from the described arrangement 1 during refilling, with a high amount of injected fluid without and/or with little fluid flowing from the chamber 3 to the reservoir 6 during injection.
  • FIG 3 an embodiment of the injector 2 is shown, with an opening 10 in form of a nozzle cup with sharp edge orifice.
  • the device 5 to change the volume within the chamber 3 comprises a hydraulic liquid volume 13, for example filled with air, oil or water, enclosed by a clamped circular membrane 11, particularly steel membrane, and a piston driven by a piezo-actuator 12. Other parts like the pipe 7 or reservoir 6 are not shown for reasons of simplicity.
  • the piezo-actuator drives the piston 12 down, in direction to the membrane 11.
  • the hydraulic liquid volume is pushed in
  • the chamber 3 with fluid to be injected by the injector is arranged opposite to the hydraulic liquid volume 13, separated by the membrane 11.
  • the membrane 11 compresses the fluid in the chamber 3, increasing the pressure to a value above the fluid surface tension at the opening 10. Fluid breaks trough and is ejected from the chamber 3, i.e. injected by the injector 2.
  • the piston 12 moves up, in the direction away from the membrane 11.
  • the hydraulic liquid volume is expanded, deforming the membrane 11 towards the piston 12.
  • the membrane 11 expands the fluid in the chamber 3, decreasing the pressure slowly to suck fluid from the reservoir 6 via the pipe 7 to the chamber 3 without
  • the refilling of chamber 3 can be actively, directly induced by the device 5 with fluid flow synchronous with device 5 movements. In high frequency operation, the refilling can be slow over time after a fast movement of device 5 inducing a pressure difference between chamber 3 and reservoir 6.
  • piezo-electric stacks high frequency movements are possible, depending on electric voltage change and its frequency.
  • Typical expansion distances of piezo-electric stacks in devices 5 are for example in the range of 0.1 mm, with a force in the range of 50 kN, creating pressure up to 500 to 1000 Atm. This allows high pressure injection in pulsed manner at high frequencies, for example 10 to 1000 Hz.
  • a linear piezo-actuator is able at high voltage changes to expand and/or contract with high frequency, pushing and/or pulling a piston 12 with high constant force. This force is converted to high pressure changes of for example a hydraulic liquid in a hydraulic liquid volume 13.
  • a pressure difference between hydraulic liquid volume 13 and chamber 3 deforms for example a clamped disc membrane, particularly made of a thin steel sheet. The deformation induces high or low pressure in the chamber 3, inducing the fluid injection pulse
  • the dimension of opening 10 in a chamber 3 is for example in the order of 0.01 to 0.1 mm and can be produced for example by laser drilling.
  • the opening 10 can have conical shape with a cone base at the inner side of chamber 3, to provide a vena contracta flow.
  • High injection pressure and small diameter of the opening 10 provides a high speed microjet, which can be used in different applications like for example ink jet printing.
  • the arrangement 1 as shown in FIG 1 allows a fluid flow, for example liquid injection via opening 4 and refilling from reservoir 6, at high frequency without the use of vales or moving parts to prevent air to be sucked into the chamber 3 during refilling and/or fluid to be pushed back into the reservoir 6 form chamber 3 during injection.
  • the arrangement 1 is less complex than with moving parts like valves to block fluid flow, easier to produce, less expensive in production, and long lasting without wear parts like valves.
  • a part of the pipe with spiral shape 9 can be made, i.e.
  • Spiraled pipes 9 are easy to manufacture and limit the fluid outflow to the reservoir 7, i.e. storage tank, during
  • the above described features of embodiments according to the present invention can be combined with each other and/or can be combined with embodiments known from the state of the art.
  • the dimension of components and frequencies can be chosen according to the application and fluid used.
  • the membrane material can for example be instead of steel made of other metals and/or non metallic materials.
  • the arrangement 1 can be used in inert atmosphere instead of air or vacuum, the atmosphere influencing the surface tension of the fluid and necessary dimensions of the opening 4, 10.

Abstract

La présente invention porte sur un agencement (1) et sur un procédé pour l'injection de fluide, lesquels mettent en œuvre un injecteur (2), comprenant une chambre (3) pour un fluide, une ouverture (4) et un dispositif (5) pour changer le volume intérieur de la chambre (3). L'agencement (1) comprend de plus un réservoir (6) pour stocker un fluide et un tuyau (7) pour une communication fluidique entre la chambre (3) et le réservoir (6). Le tuyau (7) comprend une partie présentant une forme incurvée et/ou en angle dans une direction d'écoulement de fluide, et l'écoulement de fluide dans le tuyau (7) est limité par la partie du tuyau (7) présentant une forme incurvée et/ou en angle dans la direction d'écoulement de fluide pendant l'injection.
PCT/RU2014/000523 2014-07-17 2014-07-17 Agencement et procédé pour injection de fluide WO2016010449A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2014/000523 WO2016010449A1 (fr) 2014-07-17 2014-07-17 Agencement et procédé pour injection de fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2014/000523 WO2016010449A1 (fr) 2014-07-17 2014-07-17 Agencement et procédé pour injection de fluide

Publications (1)

Publication Number Publication Date
WO2016010449A1 true WO2016010449A1 (fr) 2016-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2014/000523 WO2016010449A1 (fr) 2014-07-17 2014-07-17 Agencement et procédé pour injection de fluide

Country Status (1)

Country Link
WO (1) WO2016010449A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437255A (en) 1994-03-15 1995-08-01 Sadley; Mark L. Fuel injection sytem employing solid-state injectors for liquid fueled combustion engines
DE19819579C1 (de) * 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
US20020007143A1 (en) 2000-06-21 2002-01-17 Medjet, Inc. Method and process for generating a high repetition rate pulsed microjet
FR2874976A1 (fr) * 2004-09-07 2006-03-10 Telemaq Sarl Pompe piezoelectrique pour distribution de produit fluide
US20090074595A1 (en) 2007-09-14 2009-03-19 Foxconn Technology Co., Ltd. Miniaturized liquid cooling device having droplet generator and pizeoelectric micropump
DE102008010073A1 (de) * 2008-02-19 2009-08-20 Thomas Magnete Gmbh System und Verfahren zum Dosieren eines Fluids
EP2131020A2 (fr) * 2008-06-06 2009-12-09 Delphi Technologies, Inc. Procédé de dosage de réactif
DE102009009676A1 (de) * 2009-02-19 2010-08-26 Daimler Ag Behälteranordnung für ein Fahrzeug
US20110132922A1 (en) * 2005-02-18 2011-06-09 Jeffery Summers Beverage dispensing system, apparatus, and/or method
DE102011077974A1 (de) * 2011-06-22 2012-12-27 Robert Bosch Gmbh Anschlussstutzen für ein Dosierventil, Dosierventil

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437255A (en) 1994-03-15 1995-08-01 Sadley; Mark L. Fuel injection sytem employing solid-state injectors for liquid fueled combustion engines
DE19819579C1 (de) * 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
US20020007143A1 (en) 2000-06-21 2002-01-17 Medjet, Inc. Method and process for generating a high repetition rate pulsed microjet
FR2874976A1 (fr) * 2004-09-07 2006-03-10 Telemaq Sarl Pompe piezoelectrique pour distribution de produit fluide
US20110132922A1 (en) * 2005-02-18 2011-06-09 Jeffery Summers Beverage dispensing system, apparatus, and/or method
US20090074595A1 (en) 2007-09-14 2009-03-19 Foxconn Technology Co., Ltd. Miniaturized liquid cooling device having droplet generator and pizeoelectric micropump
DE102008010073A1 (de) * 2008-02-19 2009-08-20 Thomas Magnete Gmbh System und Verfahren zum Dosieren eines Fluids
EP2131020A2 (fr) * 2008-06-06 2009-12-09 Delphi Technologies, Inc. Procédé de dosage de réactif
DE102009009676A1 (de) * 2009-02-19 2010-08-26 Daimler Ag Behälteranordnung für ein Fahrzeug
DE102011077974A1 (de) * 2011-06-22 2012-12-27 Robert Bosch Gmbh Anschlussstutzen für ein Dosierventil, Dosierventil

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