WO2011113574A1 - Dispositif destiné à dévier l'écoulement d'un fluide - Google Patents

Dispositif destiné à dévier l'écoulement d'un fluide Download PDF

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Publication number
WO2011113574A1
WO2011113574A1 PCT/EP2011/001268 EP2011001268W WO2011113574A1 WO 2011113574 A1 WO2011113574 A1 WO 2011113574A1 EP 2011001268 W EP2011001268 W EP 2011001268W WO 2011113574 A1 WO2011113574 A1 WO 2011113574A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
fluid
flow
wall
deflecting
Prior art date
Application number
PCT/EP2011/001268
Other languages
German (de)
English (en)
Inventor
Daniel Kasack
Peter Zielke
Claus-Christian Steeg
Jürgen Hofmann
Original Assignee
Rehau Ag + Co
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 Rehau Ag + Co filed Critical Rehau Ag + Co
Priority to EP11708417A priority Critical patent/EP2547916A1/fr
Publication of WO2011113574A1 publication Critical patent/WO2011113574A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/52—Arrangement of nozzles; Liquid spreading means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators

Definitions

  • the present invention relates to a device for deflecting a fluid flow.
  • Devices for deflecting a fluid flow may be adapted to allow a fluid flowing into the device, in particular a fluid, to escape from the device by suitable flow guidance in the form of a cyclically swiveling fluid jet or fluid jet, as described e.g. from EP 0 007 950 B1 or EP 0 121 035 B1.
  • the known devices are usually accommodated in a housing for forming a fluid deflection system, via which the supply or discharge of the fluid to be deflected or deflected by the device takes place.
  • the device is opposite the housing using at least one sealant, such as e.g. a sealing lip, sealed.
  • the fixation of the device is usually done via a Deutschenrastung.
  • the fit device / housing requires in the known fluid deflection systems a high dimensional stability over a large sealing surface, which usually extends along the longest side of the component.
  • the assembly of known fluid deflection systems comprising a device for deflecting the fluid flow, a housing in which the device is accommodated, and at least one sealing means is very complicated and error-prone.
  • the assembly is thus also suitable due to less dimensionally stable parts only limited for a trouble-free assembly process for mounting a variety of fluid deflection systems. Even small deviations already lead to a strong impairment of the function, so that in particular in systems for forming a cyclically pivoting fluid jet this can not be formed due to the deviations. Underlying task
  • the present invention has for its object to provide a device for deflecting a fluid flow, which allows a device of a system for deflecting a fluid flow, in contrast to known solutions much simpler installation of the system.
  • the device according to the invention can be inserted in a practical manner in the direction of the longitudinal axis of the device into a housing.
  • a system for deflecting a fluid flow or a fluid deflection system, which comprises the device and the housing, can therefore be formed or manufactured by a simple assembly, which includes an insertion of the device into the housing.
  • the first planar sealing surface surrounds the first recess and is provided on an outer surface of the wall facing away from the flow obstacle or on a surface region of the wall facing away from the flow obstacle or formed on this outer surface or surface area.
  • sealing means such as, for example, in the form of a sealing lip-can be dispensed with for sealing the device with respect to the housing.
  • the assembly of the respective fluid deflection system is greatly simplified.
  • the possible dispensing with sealing means can also significantly reduce the susceptibility to error of the respective fluid deflection system-in particular also in the case of process fluctuations in the assembly process-which are known in known solutions, e.g. is significantly higher due to defective and possibly incorrectly placed sealant.
  • sealant it is also possible to significantly reduce the size of the respective fluid deflection system or the space occupied by the fluid deflection system space compared to known solutions.
  • the device according to the invention can also be inserted into a housing, which can also be produced inexpensively using methods other than an injection molding method.
  • the device according to the invention has a bottom with a bottom surface and a wall extending from the bottom surface. At least one flow obstruction for deflecting the fluid flow is arranged on the bottom surface.
  • the device is open to a side opposite the bottom surface.
  • the wall has a first recess for flowing in fluid and a second recess for exiting the fluid after deflection by the flow obstacle, so that the first recess serves as an inlet and the second recess serves as an outlet.
  • the device has two from each other
  • a trained according to this practical embodiment device is particularly suitable for use in windshield wiper systems, namely for cyclically spraying a windshield with the cyclically pivoting fluid jet in the form of a windshield wiper fluid jet.
  • the flow obstacle has a height which depends on the floor area and which corresponds to the height of the wall which is determined by the floor area.
  • the device may preferably be in the form of a one-piece injection-molded part, which can be produced in a simple and cost-effective manner.
  • the invention further relates to a housing, wherein in the housing a device according to the invention is inserted, and wherein the housing has a passage which is provided for forming a fluid-conducting connection between the first recess of the device and the environment of the housing when the device in the Housing is inserted with surface contact between the first sealing surface and the first housing surface and surface contact between the second sealing surface and the second housing surface.
  • the housing as a housing of a system for deflecting a fluid flow which comprises the housing and the device according to the invention, allows a mounting of the system, which is much simpler and more practical than is the case with known solutions or systems.
  • a system for deflecting a fluid flow can be provided. which has to provide without sealant to be effectively sealed over the contact of the flat surfaces.
  • the housing may preferably be in the form of a substantially cylindrical housing, along with a comparison with known solutions, in which the Housing usually has a spherical shape, significantly reduced size. Furthermore, a substantially cylindrical housing is rotatable about its longitudinal axis, so that by providing a suitable mounting position, which includes a predetermined rotational position of the housing about its longitudinal axis, also the flow direction of the deflected by the device or the fluid deflection system fluid relative to the device , on which the housing is mounted or in which it is installed, is adjustable. Thus, for example, desired spray angles of a windshield wiper system having a fluid deflection system with a device according to the invention and a housing according to the invention can be adjusted.
  • the invention further relates to a system for deflecting a fluid flow, with a device according to the invention and a housing according to the invention, in which the device, preferably non-rotatably, is inserted. Particularly preferred in this case the device is held in the housing by clamping. In this way it is possible to use expensive holding means, such as e.g. Locking mechanisms or the like are dispensed with.
  • the invention also relates to a windshield wiper system having a system according to the invention for deflecting a fluid flow, the system being provided for deflecting a fluid flow in the form of a windshield wiper fluid flow.
  • FIG. 1 is a schematic three-dimensional representation of an embodiment of a device according to the invention for deflecting a fluid flow
  • 2, 3, 4 and 5 are a plan view, a side view, a sectional view and a front view of the embodiment of Fig. 1,
  • FIG. 6 is a schematic three-dimensional representation of an embodiment of a housing according to the invention
  • 7, 8, 9 and 10 are a side view, a plan view and two sectional views of
  • 1, 12 and 13 are a side view, a plan view and a sectional view of a system for deflecting a fluid flow comprising the device shown in Figs. 1 to 5 and the housing shown in Figs. 6 to 10.
  • FIG. 1 shows a schematic three-dimensional representation of an embodiment of a device 10 according to the invention for deflecting a fluid flow.
  • the illustrated device 10 can be inserted in the direction of its longitudinal axis 12 in a housing, not shown in this figure housing and clamped durable in this case.
  • the device 10 has a bottom 14 with a bottom surface 16 and a wall 18 extending from the bottom surface 16, wherein on the bottom surface 16 two flow obstacles 20 for deflecting the fluid flow are arranged.
  • the device 10 is open to a bottom surface 16 opposite side.
  • the wall 18 has a first recess 22 for the inflow of fluid and a second recess 24 for the discharge of the fluid after deflection by the flow obstacles 20, wherein in this embodiment, the first and the second recess 22, 24 to one of the bottom surface 16 opposite Side are open.
  • first recess 22 surrounding flat first sealing surface 28 is provided, which is normal or substantially normal or substantially perpendicular to the longitudinal axis 12 and a substantially U-shaped course having.
  • second planar sealing surface 30 is further formed, which is arranged substantially parallel to the longitudinal axis 12 and substantially parallel to a transverse axis 32 of the device 10, wherein the second sealing surface 30 facing away from the bottom surface 16 in this embodiment Face 34 of the wall 18 is identical.
  • the two spaced-apart flow obstacles 20 are arranged together with the wall side 36 of the wall 18, which faces the flow obstacles 20, set to flow out through the first recess 22 fluid in the form of a cyclically pivoting fluid jet from the second further recess 24.
  • Each flow obstacle 20 has to achieve an effective fluid deflection to a dimensioning of the bottom surface 16 height, which corresponds to the height of the wall surface 18 of the bottom surface 16.
  • FIG. 2 is a plan view
  • FIG. 3 is a side view
  • FIG. 4 is a sectional view taken along line A-A of FIG. 2
  • FIG. 5 is a front view of the embodiment of FIG.
  • the device 0, apart from an outer, the first sealing surface 28 having longitudinal portion, a cross-sectional area or
  • Has cross-sectional shape which is bounded by two opposite circular arcs of a circle and two opposite straight lines. With this cross-sectional shape, a rotationally secure insertion of the device 10 into the respective housing is possible.
  • FIGS. 1 to 5 shows a schematic three-dimensional representation of an exemplary embodiment of a housing 38 according to the invention, in which the device 10 shown in FIGS. 1 to 5 can be inserted in the direction of its longitudinal axis 12.
  • FIGS. 7 to 10 The closer construction of the housing 38 of FIG. 6 is shown in FIGS. 7 to 10, wherein FIG. 7 is a side view, FIG. 8 is a plan view, FIG. 9 is a sectional view along the line AA of FIG. 8, and FIG. 10 shows a sectional view of the housing 38 along the line BB of FIG. 7.
  • the housing 38 has a receptacle 40, into which the device 10 for deflecting a fluid flow in the direction of its longitudinal axis 12 can be inserted, wherein in the embodiment shown in Fig. 9, the insertion direction parallel to the longitudinal axis 42 of the housing 38, so that in Fig. 9, the insertion of the device 10 would have to be made in the receptacle 40 from the left side of the housing 38.
  • the receptacle 40 is substantially adapted to fit the above-described cross-sectional shape of the fluid flow deflecting means 10, further comprising two struts 44 extending in the longitudinal axis direction of the housing 38 upon which the device 10 is located after insertion is or rests (see also Fig. 10).
  • the receptacle 40 bounding wall portion 46 of the housing 38 is thin-walled or relatively thin-walled, so that the receptacle 40 by inserting the device 10 elastically deformable or expandable and the device 10 in an advantageous manner therefore after insertion into the receptacle 40 and Housing 38 is held clamped.
  • additional complex compounds such. B. in the form of locking connections with elaborate Deutschenmaschinerastungen, can thus be omitted.
  • the housing 38 has a passage (not shown in detail in FIG. 9), which is provided for forming a fluid-conducting connection between the first recess 22 of the device 10 and the environment of the housing 38, when the device 10 in the housing 38 with planar Contact the two sealing surfaces 28, 30 is inserted to the respective housing surfaces in the housing 38 and in the receptacle 40 of the housing 38.
  • a fluid connection 48 provided on the housing 38, via which the housing 38 can be connected to a fluid line or fluid source (not shown here), which provides the fluid to be supplied to the device 10 via the first recess 22.
  • FIG. 11 through 13 comprise illustrations of a system 50 for deflecting a fluid flow, the system 50 comprising the device 10 shown in Figures 1-5 and the housing 38 shown in Figures 6-10.
  • FIG. 11 is a side view
  • FIG. 12 is a plan view
  • FIG. 13 is a sectional view of the system taken along line AA of FIG. 12.
  • the entire system 50 can be adjusted (particularly for the purpose of installation and present requirements) Alignment of the plane formed by the exiting liquid jet) and installed accordingly.
  • the system 50 includes the housing 38 and the device 10 for deflecting fluid flow inserted into the housing 38.
  • the first sealing surface 28 has a surface contact with a first planar housing surface 52 of the housing 38 and the second sealing surface 30 has a surface contact with a second planar housing surface 54 of the housing 38.
  • the second planar housing surface 54 extends over the entire device 10, so that it is closed in the state in which it is inserted into the housing 38, except for the first recess 22 and the second recess 24.
  • a valve system 56 is provided on the housing 38, which comprises a check valve 66 with a valve holder 58 and a valve seal 60 bearing against a wall 68 of the housing 38.
  • the check valve 66 is designed to produce a fluid-conducting connection between the fluid connection 48 and a fluid line shown in FIG. 9 when a predetermined fluid pressure is exceeded, this fluid line acting on a connection element 62 (see also FIGS. can be pushed under formation of a partial plastic deformation.
  • On the housing 38 further holding elements 64 (see also Fig. 7) are formed, which are provided to the valve system 56 on the. To hold housing 38.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un dispositif (10) destiné à dévier l'écoulement d'un fluide ainsi qu'un boîtier (38) et un ensemble (50) comprenant un boîtier (38) et un dispositif (10). L'invention porte également sur un système d'essuie-glace équipé d'un ensemble (50) selon l'invention.
PCT/EP2011/001268 2010-03-17 2011-03-15 Dispositif destiné à dévier l'écoulement d'un fluide WO2011113574A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11708417A EP2547916A1 (fr) 2010-03-17 2011-03-15 Dispositif destiné à dévier l'écoulement d'un fluide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010003757.3 2010-03-17
DE202010003757U DE202010003757U1 (de) 2010-03-17 2010-03-17 Einrichtung zum Ablenken einer Fluidströmung

Publications (1)

Publication Number Publication Date
WO2011113574A1 true WO2011113574A1 (fr) 2011-09-22

Family

ID=44307681

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/001268 WO2011113574A1 (fr) 2010-03-17 2011-03-15 Dispositif destiné à dévier l'écoulement d'un fluide

Country Status (3)

Country Link
EP (1) EP2547916A1 (fr)
DE (1) DE202010003757U1 (fr)
WO (1) WO2011113574A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007950B1 (fr) 1977-10-25 1984-12-27 Bowles Fluidics Corporation Dispositif vaporisateur oscillant
EP0121035B1 (fr) 1977-10-25 1988-01-13 Bowles Fluidics Corporation Dispositif pour la pulvérisation d'un fluide
US20060065765A1 (en) * 2004-09-24 2006-03-30 Bowles Fluidics Corporation Fluidic nozzle for trigger spray applications
US20080011868A1 (en) * 2006-06-16 2008-01-17 Bowels Fluidics Corporation Fluidic device yielding three-dimensional spray patterns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005059651A (ja) * 2003-08-08 2005-03-10 Asmo Co Ltd 車両用ウォッシャノズル及び車両用ウォッシャ装置
JP2005247187A (ja) * 2004-03-05 2005-09-15 Nippon Vinylon Kk 噴射角度可変ウオッシャーノズル
DE102007009728B4 (de) * 2007-02-28 2022-03-10 Continental Automotive Gmbh Einrichtung zur Reinigung einer Scheibe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007950B1 (fr) 1977-10-25 1984-12-27 Bowles Fluidics Corporation Dispositif vaporisateur oscillant
EP0121035B1 (fr) 1977-10-25 1988-01-13 Bowles Fluidics Corporation Dispositif pour la pulvérisation d'un fluide
US20060065765A1 (en) * 2004-09-24 2006-03-30 Bowles Fluidics Corporation Fluidic nozzle for trigger spray applications
US20080011868A1 (en) * 2006-06-16 2008-01-17 Bowels Fluidics Corporation Fluidic device yielding three-dimensional spray patterns

Also Published As

Publication number Publication date
EP2547916A1 (fr) 2013-01-23
DE202010003757U1 (de) 2011-07-26

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