WO2010043383A1 - Système de lavage pour vitres de véhicules et clapet de non-retour pour un tel système - Google Patents

Système de lavage pour vitres de véhicules et clapet de non-retour pour un tel système Download PDF

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Publication number
WO2010043383A1
WO2010043383A1 PCT/EP2009/007369 EP2009007369W WO2010043383A1 WO 2010043383 A1 WO2010043383 A1 WO 2010043383A1 EP 2009007369 W EP2009007369 W EP 2009007369W WO 2010043383 A1 WO2010043383 A1 WO 2010043383A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
opening
washing
wall
housing
Prior art date
Application number
PCT/EP2009/007369
Other languages
German (de)
English (en)
Inventor
Bruno Egner-Walter
Michael SCHÄUBLE
Original Assignee
Valeo Systemes D'essuyage
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 Valeo Systemes D'essuyage filed Critical Valeo Systemes D'essuyage
Publication of WO2010043383A1 publication Critical patent/WO2010043383A1/fr

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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
    • B60S1/487—Liquid supply therefor the liquid being heated
    • B60S1/488—Liquid supply therefor the liquid being heated electrically
    • 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
    • B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
    • 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
    • B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms

Definitions

  • the invention relates to a washing system for vehicles according to the preamble of claim 1 and to a check valve according to the preamble of claim 21.
  • Washers for vehicle windows i. for controlled application of a cleaning and washing liquid (usually water, optionally with cleaning and / or antifreeze additives) are known in various designs and basically consist of a formed by a tank for the cleaning and washing liquid and at least one pump, the over at least one fluid connection providing the cleaning and washing fluid controlled at at least one nozzle opening for application to the vehicle window.
  • the at least one nozzle opening is, for example, the nozzle opening of at least one washing nozzle arranged on the vehicle or on the vehicle body, or else a nozzle opening, which is preferably provided together with further nozzle openings on a wiper blade of a windshield wiper system.
  • the liquid connection to the at least one nozzle opening and the at least one nozzle opening or the nozzle nozzle having the nozzle and / or the respective at least form a nozzle opening having wiper blade electrically heated is known to provide in this at least one forming an electrical heating element resistance or heating wire.
  • the electrical heating of the liquid connection has been problematic, but in particular it is not yet possible to pass through the provided in a liquid connection electrical heating element through a non-return valve there.
  • the object of the invention is to provide a washing system for vehicle windows, which avoids the aforementioned disadvantages and allows electrical heating of the respective liquid connection including there existing check valves or check and vent valves.
  • 1 is a schematic representation of a washer for a
  • FIGS. 2 and 3 are each a sectional view of a check valve for use in the washing system of Figure 1, in different operating conditions.
  • 4 shows a section along the line I - I of Figure 2;
  • Figures 5 and 6 representations such as Figures 2 and 3, a combined check and vent valve for use in the washer of Figure 1;
  • 7 shows a simplified schematic representation of a further embodiment of the washing system according to the invention for a vehicle front window;
  • Fig. 8 in a schematic representation of a washing system for a
  • Vehicle windshield together with two wiper arms and one each
  • the washer 1 is used in a known manner for the controlled discharge of a cleaning and washing liquid (for example water, together with cleaning and / or antifreeze additives) onto a vehicle window, not shown in FIG.
  • the washer 1 includes u.a. a source 2, with which the cleaning and washing liquid is provided with pressure and which consists essentially of a container 3 for receiving the cleaning and washing liquid and of an electrically driven pump 4.
  • the pump 4 is via a fluid connection forming a fluid connection
  • washing nozzles 6 each having at least one nozzle opening 7 for discharging the cleaning and washing liquid on the vehicle window and are provided directed in the illustrated embodiment to the vehicle body on the vehicle window.
  • the liquid line 5 which is designed as a hose line at least over a partial length, consists of several line sections, namely from the line section 5.1 between the output of the pump 4 and a designed as a check valve 8, from a line section 5.2 between the outlet of the valve 8 and the Connection of a first washing nozzle
  • liquid line 5 is electrically heated over its entire length as well as the valve 8.
  • acting as an electrical heating element resistance or heating wire 9 is provided within the liquid line 5, which extends from the pump 4 through all sections 5.1 - 5.3 of the liquid line 5 and also through the valve 8.
  • the local end of the heating wire 9 is connected via an adapter 10 to a not shown control unit, which this End of the heating wire 9 controlled connects with a pole of the vehicle-side vehicle electrical system.
  • the other, the source 2 remote end of the heating wire 9 is connected to form a closed heating circuit with an electrical line 11, which is externally recirculated to the liquid line 5 to the adapter 10, for connection to the other pole of the vehicle electrical system ,
  • valve 8 is formed, for example, in the manner shown in more detail in Figures 2-4, consisting of a valve housing 12 which is formed substantially in two parts with the two each made as a molded plastic parts housing parts 12.1 and 12.2.
  • the housing part 12.1 is sleeve-like and rotationally symmetrical to the housing axis executed, with a first valve chamber 13 of the valve forming sleeve opening at one end, ie in the selected for the figures 2 and 3 representation at the lower end of the housing part 12.1 open and at the other At the open end, the housing part 12.1 forms with a local housing section 12.1.1 an externally provided with a barb-like contour 15 connecting piece, with which the valve housing 12 by insertion into the end of the line section 5.1 anchored in this end 16 barb-like.
  • the housing part 12.1 is provided on the outer surface with a flange-like portion 17 with an enlarged outer diameter, to which the closed end of the housing part 12.1 a housing section 12.1.2 followed by circular cylindrical inner and outer surfaces.
  • a housing section 12.1.2 In the housing section 12.1.2 a plurality of valve openings 18 are provided distributed around the axis of the valve housing 12.
  • the housing part 12.1 or its housing section 12.1.2 are enclosed by a sleeve-like or tubular valve element 19, which is made of a rubber-elastic material, for example rubber or rubber an elastomeric plastic and closes the valve openings 18 in the pressureless state on the outside of the housing portion 12.1.2.
  • the housing part 12.2 which is also rotationally symmetrical around its longitudinal axis or about the housing axis in the illustrated embodiment, consists essentially of a housing section 12.2.1 with an enlarged outer and inner cross section.
  • the housing section engages over the housing section 12.1.2 which is provided with the valve element 19 in the manner of a bell and is connected tightly to the flange section 17 at its lower end, for example by gluing and / or welding and / or screwing or in another suitable manner.
  • the valve element 19 is also secured against axial displacement at its lower edge in FIGS. 2 and 3, for example by clamping between the flange section 17 and the housing section 12.2.1 or in another suitable manner, e.g. by gluing.
  • the housing portion 12.2.1 forms an outwardly closed second valve chamber 20, in which the housing portion 12.1.2, the insert 14 and the valve member 19 are received, the latter in a between the outer surface of the housing portion 12.1.2 and the inner surface of the housing section 12.2.1 formed annular space 20.1 of the second valve chamber.
  • the housing part 12.2 At its flange portion 17 remote and in Figures 2 and 3 upper end, the housing part 12.2 with a housing portion 12.2.2 a tubular connecting piece barb-like outer contour 21, with the (connector) the valve housing 12 by insertion with the end 22 of the line section 5.2 is connected.
  • the heating wire 9 is performed through the valve chambers 13 and 20 and sealed by the insert 14, without the function of the valve 8 is affected by the heating wire.
  • the heating wire thus also serves at the same time for heating the valve 8.
  • the valve openings 18 are sealed with pressure-free liquid line 5 through the valve element 19, so that the line sections 5.2 and 5.3 extending between this valve and the washing nozzles 6 are completely filled with the cleaning and washing liquid in the activated washing system 1 and an emptying This line sections is effectively prevented.
  • Prevented by the closed valve 8 and an idling of the line section 5.1 since the necessary venting of the line section 5.1 is not possible on the valve member 19 closed by the valve openings 18.
  • valve 8 When activating the washer 1, the valve 8 is opened by the pressure of the cleaning and washing liquid, by elastic deformation or widening of the diameter of the valve element 19 by the cleaning and washing liquid flowing through the valve openings 18, as shown in FIG is (arrows A).
  • the valve 8 thus acts as a check valve, with the achieved that at each activation of the washer without a time delay, the cleaning and washing liquid from the washing nozzles 6 is applied to the vehicle window.
  • FIGS 5 and 6 show as another possible embodiment, a valve 8a, which differs from the valve 8 only in that the valve 8 is designed as a combined non-return and vent valve, which in not activated washer 1, an idling to the valve 8a connected line sections 5.2 and 5.3 allows.
  • This is advantageous if these run in the flow direction of the cleaning and washing liquid to the valve 8 line sections in an area of the vehicle to which there is an increased risk of freezing the cleaning and washing liquid with insufficient antifreeze additive.
  • the housing section 12.2.1 is in the region of the annular space 20.1 and thus in the area of the valve element 19 with a plurality of vent openings 23 which are open in the annular space 20.1 and on the outside of the housing 12 provided, in such a way that the valve element 19 with non-activated washer 1 in turn closes the valve openings 18 and thereby idling of the valve 8a preceding line section 5.1 is prevented, with activated washer 1, the valve openings 18 releases and at the same time the vents 23 closes such that the cleaning and washing liquid is then passed on to the washing nozzles 6 via the valve 8a without loss or substantially without loss.
  • the housing section 12.2.1 is slightly concave on its inner surface having the ventilation openings 23, and in particular also designed such that the width of the annular space 20.1 is reduced towards the flange section 17.
  • valve 8a allows passage of the heating wire 9 without affecting the valve function.
  • the heating wire 9 is guided by the adapter 10 to the end of the line section 5.3 in a single wire and an external electrical line 11 is provided to close the heating circuit.
  • an external electrical line 11 is provided to close the heating circuit.
  • FIG. 7 shows a washing installation 1a, which differs from the washing installation 1 essentially only in that the liquid connection between the source 2 and the washing nozzles 6 is formed by a liquid line 5a consisting of a line section 5a.1 and two via a T. Piece 24 branched and each leading to a washing nozzle 6 line sections 5a.2 consists. All line sections 5a.1, 5a.2, the T-piece 24 and the washing nozzles 6 are in turn electrically heated, for which an at least a Schuschleife forming heating wire 9 through the entire liquid line 5 and the T-piece 24 extends into the washing nozzles 6. In the line section 5.1 and / or in the line sections 5.2, in turn, a valve 8 or 8a is provided, through which the heating wire 9 is passed.
  • FIG. 8 shows, as a further embodiment, a washing system 1b together with a vehicle window 25 and two wiper arms 26 with wiper blades 27 of a windshield wiper system for cleaning the vehicle window 25.
  • the wiper blades 27 are so-called wet wiper blades, for example in the form of flat wiper blades with a plurality of spray or nozzle openings on at least one wiper blade longitudinal side for the controlled application of the cleaning and washing liquid to the vehicle window.
  • An example of such a wet wiper blade is shown in FIG.
  • This wiper blade consists of a profile rail-like wiper blade body 28 which extends over the entire length of the wiper blade and encloses a spring rail 29. On the wiper blade body 28 of the squeegee 30 is held with wiper lip 30.1.
  • a strip-like, in the illustrated embodiment, a spoiler forming molding 31 is provided on the wiper blade body, in which a respective distribution channel 32 for the cleaning and washing liquid with a plurality of spray or nozzle openings 33 is formed on each wiper blade longitudinal side.
  • a respective distribution channel 32 for the cleaning and washing liquid with a plurality of spray or nozzle openings 33 is formed on each wiper blade longitudinal side.
  • the distribution channels 32 for the controlled discharge of the cleaning and washing liquid are connected to the vehicle window 25 with the source 3 or with the pump 4 there.
  • All line sections 5b.1 and 5b.2 as well as the wiper blades 27 and / or their distribution channels 32 are electrically heated, ie Bankschleifen forming heating wires 9 extend not only within the line sections 5b.1 and 5b.2 and through the line sections 5b. 2 with the line section 5b.1 connecting T-piece, but also into the wiper blades 27, where these heating wires form the respective electric heating element or with a separate electrical Heating element, for example, in the form of a heating foil are electrically connected.
  • a valve 8 is provided in the immediate vicinity of the attachment for the wiper blade 27, which prevents emptying of the fluid connection with non-activated wash, so when activating the washer immediately and without delay, the cleaning and washing liquid on the vehicle window 25th is applied.
  • the wiper blades 27 may also have a design deviating from the specific embodiment of FIG. 9.
  • the valves 8 and 8a for example in wiper blade adapters 35, which removably connects the respective wiper blade 27 to the associated wiper arm.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

Système de lavage pour vitres de véhicules, en particulier pour des pare-brises (25), comportant au moins un orifice de buse qui est raccordé par l'intermédiaire d'une conduite de liquide (5, 5a, 5b) à une source (2) fournissant du liquide de nettoyage ou de lavage sous pression de manière commandée, pour envoyer de manière commandée du liquide de nettoyage ou de lavage sur la vitre du véhicule, et au moins un élément de chauffe (9) électrique s'étendant au moins en partie dans la conduite de liquide (5), caractérisé en ce que l'élément de chauffe (9) traverse au moins une soupape (8, 8a) placée dans la conduite de liquide (5) et servant de clapet de non-retour qui s'ouvre lorsque le système de lavage est activé pour permettre l'acheminement du liquide de nettoyage et de lavage jusqu'à l'orifice de buse (7, 33) et qui se ferme lorsque le système de lavage n'est pas activé.
PCT/EP2009/007369 2008-10-14 2009-10-14 Système de lavage pour vitres de véhicules et clapet de non-retour pour un tel système WO2010043383A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008051584A DE102008051584A1 (de) 2008-10-14 2008-10-14 Waschanlage für Fahrzeugscheiben sowie Rückschlagventil für eine solche Anlage
DE102008051584.1 2008-10-14

Publications (1)

Publication Number Publication Date
WO2010043383A1 true WO2010043383A1 (fr) 2010-04-22

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Application Number Title Priority Date Filing Date
PCT/EP2009/007369 WO2010043383A1 (fr) 2008-10-14 2009-10-14 Système de lavage pour vitres de véhicules et clapet de non-retour pour un tel système

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Country Link
DE (1) DE102008051584A1 (fr)
WO (1) WO2010043383A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011012634A1 (de) * 2011-02-28 2012-08-30 Valeo Systèmes d'Essuyage Wischblatt zum Reinigen von Fahrzeugscheiben
FR2993839B1 (fr) * 2012-07-25 2014-08-15 Valeo Systemes Dessuyage Dispositif de chauffage d'un systeme de distribution de liquide lave-glace pour balais d'essuie-glace de vehicule automobile
FR3002507B1 (fr) 2013-02-28 2016-09-09 Valeo Systemes Dessuyage Dispositif de distribution de liquide lave-glace pour balais d'essuie-glace de vehicule automobile
FR3040950B1 (fr) * 2015-09-16 2017-09-08 Valeo Systemes Dessuyage Adaptateur de conduite de liquide et dispositif de distribution de liquide de balais d'essuie-glace de vehicule automobile
DE102017114607A1 (de) * 2017-06-30 2019-01-03 A. Raymond Et Cie Scs Beheizbare Flüssigkeitskammeranordnung und Verfahren zu deren Herstellung
US20210261097A1 (en) * 2019-09-12 2021-08-26 A. Raymond Et Cie Flow control valve and system for cleaning a vehicle surface
DE102019218659A1 (de) * 2019-11-30 2021-06-02 Robert Bosch Gmbh Wischervorrichtung, Fluidverbindungselement und Scheibenwischer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0667267A1 (fr) * 1994-02-11 1995-08-16 Max Kammerer GmbH Installation de lavage de vitres pour véhicules automobiles
DE19745534A1 (de) * 1996-10-18 1998-04-23 Hyundai Motor Co Ltd Scheibenwaschdüse mit einem Abflußkanal
DE29808590U1 (de) * 1998-05-06 1998-08-27 Kromberg & Schubert Wischwasserzuleitungs-Vorrichtung, insbesondere beheizbare Wischwasserzuleitungs-Vorrichtung für Scheibenwaschanlagen bei Fahrzeugen
WO2001085500A2 (fr) * 2000-05-10 2001-11-15 Robert Bosch Gmbh Dispositif de lavage chauffant
WO2004035359A1 (fr) * 2002-10-09 2004-04-29 Daimlerchrysler Ag Dispositif de lavage d'une vitre de vehicule automobile

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576098A (en) * 1978-05-26 1980-10-01 Trico Folberth Ltd Washer systems for vehicles
US4582081A (en) * 1984-12-21 1986-04-15 Woodford Manufacturing Company Vacuum breaker
DE19913193A1 (de) * 1999-03-24 2000-10-26 Bosch Gmbh Robert Scheibenwischer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0667267A1 (fr) * 1994-02-11 1995-08-16 Max Kammerer GmbH Installation de lavage de vitres pour véhicules automobiles
DE19745534A1 (de) * 1996-10-18 1998-04-23 Hyundai Motor Co Ltd Scheibenwaschdüse mit einem Abflußkanal
DE29808590U1 (de) * 1998-05-06 1998-08-27 Kromberg & Schubert Wischwasserzuleitungs-Vorrichtung, insbesondere beheizbare Wischwasserzuleitungs-Vorrichtung für Scheibenwaschanlagen bei Fahrzeugen
WO2001085500A2 (fr) * 2000-05-10 2001-11-15 Robert Bosch Gmbh Dispositif de lavage chauffant
WO2004035359A1 (fr) * 2002-10-09 2004-04-29 Daimlerchrysler Ag Dispositif de lavage d'une vitre de vehicule automobile

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