WO2006084516A1 - Dispositif et procede pour transporter des fluides au moyen d'ondes de choc - Google Patents

Dispositif et procede pour transporter des fluides au moyen d'ondes de choc Download PDF

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Publication number
WO2006084516A1
WO2006084516A1 PCT/EP2005/056516 EP2005056516W WO2006084516A1 WO 2006084516 A1 WO2006084516 A1 WO 2006084516A1 EP 2005056516 W EP2005056516 W EP 2005056516W WO 2006084516 A1 WO2006084516 A1 WO 2006084516A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure chamber
fluid
shock wave
shock waves
shock
Prior art date
Application number
PCT/EP2005/056516
Other languages
German (de)
English (en)
Inventor
Uwe Iben
Klaus Habr
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2006084516A1 publication Critical patent/WO2006084516A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/42—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition having expanding chambers for controlling pressure, i.e. closed systems
    • 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
    • F04B19/24—Pumping by heat expansion of pumped fluid
    • 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
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
    • F04F1/16—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped characterised by the fluid medium being suddenly pressurised, e.g. by explosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F7/00—Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein

Definitions

  • the present invention relates to an apparatus and a method for conveying fluids.
  • Known devices for conveying fluids are, for example, pumps or compressors, wherein as basic types of conveying devices
  • extracorporeal shockwave lithotripsy are known from the prior art in the medical field, by means of which, for example, kidney stones are destroyed by a shockwave generated outside the body.
  • the shock wave is focused in such a way that the kidney stone is at the focal point and the pressure and traction waves acting on the stone destroy the stone.
  • the shock waves are generated by spark discharges under water and concentrated on a focal point.
  • the device according to the invention for conveying fluids has the advantage over the known conveying devices that it is capable of producing a short-term, very high pressure.
  • the device can be made particularly compact and lightweight. Furthermore, only a minimal number of moving parts are present in the device according to the invention.
  • the device for conveying fluids comprises means for generating shock waves, which pressurizes the fluid located in a pressure chamber.
  • shock waves are used for fluid delivery, so that in comparison with a conventional pump or a conventional compressor, a structure is very simple gestaubbar. Since according to the invention no rotating parts are present, there is also a simple sealing of the device.
  • the means for generating shock waves is a spark discharge device.
  • the device for generating shock waves generates several shock waves directly behind one another.
  • multiple shock waves can be generated with a temporally very short time interval in the range of a few microseconds. This makes it possible to achieve very high pressures at a focused point. These high pressures can thereby be maintained at one point for a longer period of time.
  • the device is a pump for conveying liquids and the means for generating shock waves is arranged in a liquid spark discharge device.
  • the pressure space is preferably substantially funnel-shaped. This can be a high
  • the substantially funnel-shaped pressure chamber is designed to be tapered, and in particular formed with tapered walls.
  • the device for generating shock waves is arranged in a separate space, wherein the separate space is separated from the pressure chamber of the conveying device by a membrane.
  • the shock wave is directed to the membrane, which transmits the shock wave to the fluid in the pressure chamber.
  • the separate space is filled with a liquid, in particular with water.
  • the membrane which separates the separate space from the pressure chamber of the conveying device, is mechanically connected to the closing element.
  • the mechanical connection is a piston or a rod.
  • the mechanical connecting element can be attached to the membrane and / or attached to the closing body. The mechanical connecting element improves accuracy of movement.
  • a cooling device is provided in order not to let the temperature in the pressure chamber and / or in the shock wave generation space become too high.
  • the present invention further relates to a method for conveying fluids, wherein the fluid is conveyed by means of shock waves.
  • a promotion of fluids thus differs fundamentally from the previously known pumps or. Compressing.
  • very high pressures can be generated without a large number of moving components as in a compressor or in a pump are necessary.
  • Method is particularly suitable for promoting small amounts of fluid at high pressures.
  • the conveying device according to the invention or the method according to the invention are particularly preferred in
  • Motor vehicle area for example, used in injectors for injection of fuel.
  • the nozzles can inject fuel directly into combustion chambers of engines or, for example, into the rail of a common rail system.
  • Another preferred application of the present invention is, for example, in brake systems for vehicles, in which high pressures for a braking operation must be generated within a short time.
  • Yet another preferred application of the present invention is in hydraulic equipment of vehicles or other hydraulic applications.
  • Figure 1 is a schematic sectional view of a
  • Figure 2 is a schematic sectional view of a conveying device according to a second
  • Figure 3 is a schematic sectional view of a
  • the injection device comprises a pressure chamber 2, which fuel via a first inlet 3 and a second inlet 4 is supplied.
  • the first and second feed 3, 4 are each by means of a check valve 10 and. 11 connected to the pressure chamber 2 or. lockable.
  • the injector according to the first embodiment includes means for generating shockwaves.
  • the A device for generating shock waves a spark discharge device having a first electrode 6 and a second electrode 7.
  • the electrodes 6, 7 are arranged in a shock wave generating space 5 and generate in the shock wave generating space 5 fuel
  • the shock wave generating space 5 is formed in its lower portion 5a is substantially funnel-shaped, wherein the pressure chamber 2 in the
  • Shock wave generating chamber 5 opens. Due to the substantially funnel-shaped design of the shock wave generating space 5, the generated shock waves are focused in a focusing point 12.
  • the upper portion 5b is also tapered, whereby the concentration of the shock wave at the focusing point 12 is increased.
  • the focussing point 12 is a short line section starting from the pressure chamber 2, which leads to an outlet valve of the injection device.
  • the outlet valve in this case comprises a closing body 8, which is designed as a ball and presses a spring element 9 about the closing body 8 against substantially conical walls of the housing. Due to the shape of the
  • the shock waves generated are focused at point 12 and act directly on the closing body 8.
  • the closing body 8 closes or gives a connection between the pressure chamber 2 and nozzle bores 13, 14 free, via which an injection of the fuel can take place. This is indicated by the arrows E.
  • the function of the injection device according to the invention is as follows. When the spark discharge device generates a shock wave, the check valves 10, 11 are subjected to elevated pressure, so that they go to the position shown in Figure 1 and the first inlet 3 and the second inlet 4 respectively close. Due to the substantially funnel-shaped shape of the shockwave generating space 5 and the immediately adjacent pressure chamber 2, the shockwave is focused at the point 12.
  • Injection pressure corresponds essentially to the pressure at the shockwave in the focusing point 12.
  • the shock wave is generated by means of a capacitor discharge and has only a pulse duration limited in time. It should be noted that it is also possible to provide further capacitors, which can be discharged at predetermined time intervals, so that a plurality of shock waves can be generated with a temporally very short time interval and can be focused in the focusing point 12.
  • Feed 3 and the second inlet 4 are supplied, which is done for example with a relatively low base pressure of 2 ⁇ 10 5 Pa. As a result, the pressure space 2 is filled for the next injection.
  • the conveying device 1 has the special feature that the spark discharge in the conveyed liquid, d. H . the fuel.
  • the spark discharge device can be integrated directly into the conveyor, which allows a very compact design.
  • Shock wave generating space 5 and the pressure chamber 2 is arranged.
  • this membrane 16 By providing this membrane 16, it is possible to use in the shock wave generating space 5 a liquid 15 which is different from the liquid to be pressurized.
  • the liquid 15 is water.
  • the spark discharge device of the second embodiment is a so-called underwater radio discharge device.
  • the shock wave generated by the electrodes 6, 7 is focused in the second embodiment on the membrane 16, which moves due to the shock wave in the pressure chamber 2.
  • the pressure in the pressure chamber 2 increases, so that the check valves 10, 11 are closed and the closing body 8 moves against the spring force of the spring element 9 in the direction of the arrow A and is lifted from its valve seat.
  • the second embodiment corresponds to the first embodiment, so that reference can be made to the description given there.
  • the third embodiment corresponds essentially to the second embodiment, wherein in contrast to the second embodiment between the membrane 16 and the closing body 8 additionally a mechanical connecting element 17 is arranged.
  • the connecting element 17 comprises a rod 18 and a plate-shaped support 19.
  • the plate-shaped support 19 is located directly in Contact with the membrane 16.
  • the connecting element 17 thereby provides a mechanical connection between the membrane 16 and the closing body 8.
  • the third embodiment substantially corresponds to the preceding embodiments, so that reference may be made to the description given there.
  • the conveyor device 1 according to the invention is particularly preferably used in conjunction with motor vehicles as an injection device for the injection of fuel under high pressure.
  • the invention can also be used in brake systems or other hydraulic systems. Since the conveyor device 1 according to the invention is constructed very compact and easy-building, the weight of a

Abstract

L'invention concerne un dispositif pour transporter des fluides, comprenant une chambre de pression (2), une entrée de fluide (3, 4) destinée à introduire un fluide dans la chambre de pression (2), une sortie de fluide (13, 14), une liaison située entre la chambre de pression (2) et la sortie de fluide (13, 14) pouvant être libérée ou resserrée au moyen d'un élément de fermeture (8), et un dispositif (6, 7) destiné à produire des ondes de choc, ce qui permet de mettre sous pression le fluide se trouvant dans la chambre de pression (2). De plus, l'invention concerne un procédé pour transporter les fluides.
PCT/EP2005/056516 2005-02-09 2005-12-06 Dispositif et procede pour transporter des fluides au moyen d'ondes de choc WO2006084516A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005005763A DE102005005763A1 (de) 2005-02-09 2005-02-09 Vorrichtung und Verfahren zur Förderung von Fluiden mittels Stoßwellen
DE102005005763.2 2005-02-09

Publications (1)

Publication Number Publication Date
WO2006084516A1 true WO2006084516A1 (fr) 2006-08-17

Family

ID=35636638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/056516 WO2006084516A1 (fr) 2005-02-09 2005-12-06 Dispositif et procede pour transporter des fluides au moyen d'ondes de choc

Country Status (2)

Country Link
DE (1) DE102005005763A1 (fr)
WO (1) WO2006084516A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2687331C1 (ru) * 2018-04-03 2019-05-13 Назым Нурлисламович Усманов Способ дозирования жидкости и устройство для его осуществления

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO330266B1 (no) 2009-05-27 2011-03-14 Nbt As Anordning som anvender trykktransienter for transport av fluider
DK2582907T3 (en) 2010-06-17 2015-06-29 Impact Technology Systems As Use of the pressure transients in the method of kulbrinteindvending
AR089304A1 (es) 2011-12-19 2014-08-13 Impact Technology Systems As Metodo para recuperacion de presion por impacto

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185106A (en) * 1963-08-28 1965-05-25 Ingersoll Rand Co Spark pumps
US3586461A (en) * 1969-01-16 1971-06-22 Continental Can Co Sonic multistage pump
US3647137A (en) * 1970-10-20 1972-03-07 Environment One Corp Hydraulic chamber incorporating a jet nozzle
US4004737A (en) * 1975-08-05 1977-01-25 Environment/One Corporation Continuous high velocity fluid jet system
WO2000060242A1 (fr) * 1999-04-06 2000-10-12 Trofimov, Semen Vasilievich Pompe-injecteur a impulsions electriques
US6293255B1 (en) * 1997-01-31 2001-09-25 Yamaha Hatsudoki Kabushiki Kaisha Fuel injection system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185106A (en) * 1963-08-28 1965-05-25 Ingersoll Rand Co Spark pumps
US3586461A (en) * 1969-01-16 1971-06-22 Continental Can Co Sonic multistage pump
US3647137A (en) * 1970-10-20 1972-03-07 Environment One Corp Hydraulic chamber incorporating a jet nozzle
US4004737A (en) * 1975-08-05 1977-01-25 Environment/One Corporation Continuous high velocity fluid jet system
US6293255B1 (en) * 1997-01-31 2001-09-25 Yamaha Hatsudoki Kabushiki Kaisha Fuel injection system
WO2000060242A1 (fr) * 1999-04-06 2000-10-12 Trofimov, Semen Vasilievich Pompe-injecteur a impulsions electriques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2687331C1 (ru) * 2018-04-03 2019-05-13 Назым Нурлисламович Усманов Способ дозирования жидкости и устройство для его осуществления

Also Published As

Publication number Publication date
DE102005005763A1 (de) 2006-08-10

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