WO2009127458A1 - Balai d'essuie-glace et dispositif de projection - Google Patents

Balai d'essuie-glace et dispositif de projection Download PDF

Info

Publication number
WO2009127458A1
WO2009127458A1 PCT/EP2009/051903 EP2009051903W WO2009127458A1 WO 2009127458 A1 WO2009127458 A1 WO 2009127458A1 EP 2009051903 W EP2009051903 W EP 2009051903W WO 2009127458 A1 WO2009127458 A1 WO 2009127458A1
Authority
WO
WIPO (PCT)
Prior art keywords
wiper blade
wiper
spraying device
vehicle window
cleaning medium
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.)
Ceased
Application number
PCT/EP2009/051903
Other languages
German (de)
English (en)
Inventor
Inigo Op't Roodt
Karlien Bams
Jan Bonroy
Mohamed Aznag
Hans Beelen
Michäel CREMERS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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
Priority to EP09733298A priority Critical patent/EP2280851A1/fr
Publication of WO2009127458A1 publication Critical patent/WO2009127458A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
    • B60S1/524—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms arranged in wiper blades
    • 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
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
    • B60S1/3808—Spoiler integral with the squeegee
    • 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
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
    • B60S1/3875—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
    • B60S1/3877—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section embedded in the squeegee
    • 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
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4067—Connections between blades and arms for arms provided with a side pin
    • B60S1/407—Connections between blades and arms for arms provided with a side pin with means provided on the arm for locking the side pin
    • 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
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
    • B60S2001/3836—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape
    • B60S2001/3837—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape with more than one wiping edge or lip

Definitions

  • the invention is based on a wiper blade and a spray device according to the preamble of claim 1.
  • a windshield wiper with a wiper blade in flat bar construction is known, in the wiper strip are laterally embedded as a support element two spring rails. To these are attached a connecting element for articulated connection with a wiper arm and a spoiler. Two end caps close the outward-facing ends of the spoiler. On the side facing away from the wind of the spoiler two fan nozzles are provided in the longitudinal direction offset on a hinge part of the wiper arm, which are supplied via a water channel with wash water. The impingement of the fan beam is close to the wiper blade. Conveniently, the fan plane of the fan beam with an average wiper blade plane forms an angle CC, which is smaller than 30 °. Since the fan beam is largely in the lee of the wiper blade and the wiper arm, he offers the airstream little or no attack surfaces. Thus, that achieves
  • Wash water also due to the small Strahlweglini to a high percentage of the vehicle window and can optimally be used for cleaning.
  • the fan nozzles can also be arranged on both sides of the wiper arm, which is associated with a greater effort, but has the advantage that the wash water can be injected in a clocked process both in the upward direction and in the downward direction in front of the wiper blade.
  • the wiper strip is held by a support bracket system, which can be hingedly connected to a wiper arm.
  • a spoiler is attached to its lying in the direction of flow of the wind front edge a soft edge is attached.
  • the soft edge has a tapered portion which may include different angles with a vehicle window.
  • the soft edge is provided with an inner longitudinal channel which is provided with openings which open towards the surface to be wiped in order to spray water thereon. For this, the channel can be connected to a supply line for a washing liquid.
  • a windshield wiper with a wiper strip is known, the wiper lip of which rests against the vehicle window, wherein during a wiping operation the wiper lip is vibrated by piezo elements transversely to its longitudinal direction into vibrations with a frequency in the ultrasonic range.
  • the spraying device is arranged on the wiper blade and has at least one opening which is closer to the Vehicle window is as the support element.
  • the spray emerging from the opening is on the downstream side of the wiper blade in the slipstream of the wiper strip.
  • the opening is very close to the vehicle window, so that due to the short free Strahlwegner the spray jet can hardly be influenced by external conditions.
  • the spraying device can also be arranged on the inflow side of the wiper blade or on both sides. In this case, the spraying devices are expediently alternately charged, namely on the upstream side during the downward movement of the wiper blade, while the downstream side is acted upon during the upward movement.
  • the spray device may be integrated in a component of the wiper blade by having the supply channels in the component, e.g. a connection element, an end cap or a spoiler, wherein the supply ducts have outwardly leading openings or nozzles.
  • the sprayer may be a separate component, e.g. in the form of a ramp attached to the wiper blade.
  • a liquid, compressed air or a mixture of both can be used, depending on what pollution is to be eliminated.
  • the spraying device be chosen selectively or by a car controlled by the spraying device with a source for the respective suitable cleaning medium.
  • the cleaning medium may be heated.
  • a solvent can be added to the cleaning medium. To the influence of the solvent on the
  • Wiping behavior in different circumstances e.g. Temperature
  • the solvent is removed after cleaning the disk, e.g. sucked off, blown off or the like.
  • the contamination of the vehicle window may consist of various components, e.g. Salt, dirty water, dust, sand, snow, ice, insects and / or resins or fats. It is therefore advantageous to set the parameters of the cleaning medium to the contamination of the vehicle window.
  • snow and ice can be expediently with hot air, sand and
  • the cleaning agent can be used with different pressure or intermittently at different frequencies.
  • the cleaning agent can be optimally selected and dosed with optimum cleaning power under economic and environmental aspects.
  • the cleaning medium in a range up to 50 mm, preferably up to 20 mm, from the wiper strip away from the vehicle window, and preferably at an angle of about 90 °.
  • a scraper or a brush parallel to the wiper strip are expediently used only when needed.
  • the wiper blade can be tilted about its longitudinal axis. In this way, on the one hand, the scraper can be disengaged, on the other hand, the direction of the spray jets can be changed relative to the vehicle window.
  • a locating device is mounted on the wiper blade in order to determine the regions to be cleaned on the vehicle window.
  • the locating device can determine the degree of soiling and the type of contamination. According to the determined circumstances, the cleaning parameters are set.
  • a target device which serves on the spraying device for spraying the located, to be cleaned regions.
  • the spraying device can also be used to generate a mist during the wiping process which precipitates on the surface of the vehicle window to be wiped and which in particular causes the folding of the wiper strip or parts thereof to be defined at the reversal positions below Conditions are fulfilled.
  • FIG. 1 is a perspective view of a wiper blade according to the invention
  • FIG. 3 shows a variant of FIG. 1,
  • Fig. 4 is a cross section corresponding to the line IV-IV in
  • FIG. 5 rotated view to FIG. 3, FIG. 6 a variant to FIG. 3, FIG. 7 a further variant to FIG. 3, FIG.
  • FIG. 8 shows a perspective view of one end of a wiper blade according to the invention with a scraper
  • FIG. 9 shows a variant of FIG. 8
  • Fig. 11 is a schematic representation of a target device with a high-pressure jet
  • Fig. 12 is a schematic representation of an arrangement of a plurality of high pressure jets.
  • a wiper blade 10 in a flat-beam construction has a wiper strip 12, which is supported by a support element 24 (FIG. ner or more spring rails is held.
  • the support element 24 in the form of a spring rail is housed in a longitudinal channel of the wiper strip 12.
  • the wiper strip 12 also includes a wiper lip 14, with which it slides over a vehicle pulley 50.
  • the wiper lip 14 is connected via a tilting web 16, support strips 18 and another web 20 with a header 22 in which the longitudinal channel of the support member 24 is arranged.
  • connection element 28 is connected to the support element 24. It serves for the articulated connection of the wiper blade 10 with a wiper arm 34, whose connecting element 30 is pivotally mounted by a hinge pin 32 in the connection element 28 according to the sidelock principle.
  • a bridge 36 which is arranged offset on the connecting element 30 relative to the hinge pin 32 in the direction of the wiper arm 34, secures the connecting element 30 relative to the connecting element 28 in the direction of the hinge pin 32 in the illustrated operating state.
  • a spoiler 26 is attached to both sides of the connecting element 28, which has end caps 38 at its end faces.
  • the spoiler 26 may be clipped onto the support element 24 or integrally formed on the wiper strip 12. In simple versions of the wiper blade 10, the spoiler 26 and the end caps 38 can be omitted.
  • the wiper blade 10 according to FIG. 1 and FIG. 2 has a spray device 40 on the upstream side and on the downstream side, which is integrated in the spoiler 26 and has nozzles 42 which are distributed over the length of the wiper blade 10 and fan beams 44 in the longitudinal direction of the wiper blade 10 witness. These overlap in the region of their impact line, so that the vehicle window 50 is wetted without gaps in the area of the wiper blade 10. Conveniently, the vehicle window 50 is sprayed in the wiping direction in front of the wiper blade 10.
  • the spraying devices 40 on the upstream side and downstream side of the wiper blade are clocked so that the spraying device 40 on the downstream side is operated upon the upward movement of the wiper blade 10 and the sprayer 40 on the upstream side upon the downward movement of the wiper blade 10 ,
  • the wiper blade 10 has a spraying device 40 on only one side, which can be clocked accordingly.
  • the direction of flow of the airstream is indicated by an arrow 54 in the figures.
  • the spraying device is attached as a separate component in the form of a ramp 46 on the spoiler 26.
  • Both the openings 48 of the ramps 46 and the nozzles 42 of the sprayer 40 of FIG. 1 are closer to the vehicle window 50 than the support member 24.
  • the beams 44 are on the downstream side in the protection of the wiper strip 12 and have a short free Strahlwegitz is hardly affected by the wind.
  • the fan beams 44 impinge on the vehicle window 50 very close to the wiper strip 12, approximately perpendicularly in FIG. 4, while the fan beams 44 of FIG. 5 are at a distance of less than 50 mm hit the vehicle window 50.
  • the nozzles 42 generate fan beams 44, which extend in particular in the longitudinal direction of the wiper blade 10.
  • the embodiment of the wiper blade 10 of FIG. 7 has as
  • the embodiment of the wiper blade 10 according to FIG. 8 is pivotable about a longitudinal axis in the pivoting direction 56.
  • the wiper blade 10 has parallel to its wiper strip 12 a scraper 58 or a brush on the downstream side of the wiper blade 10.
  • the scraper 58 or the brush touches the vehicle window 50, so that, if necessary, rough dirt from the vehicle window 50 is released can be .
  • Scraper 60 is provided, whose free edge is angled towards the wiper strip 12. As a result, the scraper 60 sets gently and quietly on the vehicle window 50. Furthermore, it can better follow the contour of a curved vehicle window 50.
  • a locating device 62 is mounted parallel to the wiper strip 12, preferably below the spoiler 26. During the wiping motion, it detects soiled regions of the wiping field which are to be cleaned in a targeted manner. At the same time, the size and type of contamination can be determined.
  • the locating device 62 transmits the determined data to the spraying devices 40, 46, so that targeted cleaning agents can be sprayed on. This is expediently carried out by one or more high-pressure jets 66, which can be varied by means of a target device 64 in its longitudinal direction 68 and in a transverse direction 70. Thus, any contamination of the vehicle window 50 can be cleaned with an adapted minimum effort.
  • the locating device 62 can usefully be combined with known wiper blades and sprayers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Quality & Reliability (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un balai d'essuie-glace (10) construit en forme de poutre plate avec une raclette d'essuie-glace (12) qui est maintenue par un élément porteur (24) et peut être reliée de manière articulée à un bras d'essuie-glace (34) par l'intermédiaire d'un élément de raccordement (28), et un dispositif de projection (40, 46) qui projette un agent de nettoyage sur un pare-brise du véhicule (50) à proximité de la raclette d'essuie-glace (12). Il est proposé que le dispositif de projection (40, 46) soit monté sur le balai d'essuie-glace (10) et possède au moins une ouverture (48) qui est plus proche du pare-brise du véhicule (50) que l'élément porteur (24).
PCT/EP2009/051903 2008-04-17 2009-02-18 Balai d'essuie-glace et dispositif de projection Ceased WO2009127458A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09733298A EP2280851A1 (fr) 2008-04-17 2009-02-18 Balai d'essuie-glace et dispositif de projection

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008001245 2008-04-17
DE102008001245.9 2008-04-17
DE102008042405.6 2008-09-26
DE102008042405A DE102008042405A1 (de) 2008-04-17 2008-09-26 Wischblatt und eine Sprüheinrichtung

Publications (1)

Publication Number Publication Date
WO2009127458A1 true WO2009127458A1 (fr) 2009-10-22

Family

ID=41078778

Family Applications (1)

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PCT/EP2009/051903 Ceased WO2009127458A1 (fr) 2008-04-17 2009-02-18 Balai d'essuie-glace et dispositif de projection

Country Status (3)

Country Link
EP (1) EP2280851A1 (fr)
DE (1) DE102008042405A1 (fr)
WO (1) WO2009127458A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9045114B2 (en) 2010-09-22 2015-06-02 Trico Products Corporation Beam blade windshield wiper assembly having a fluid manifold mounting system
CN112672933A (zh) * 2018-09-10 2021-04-16 法雷奥系统公司 用于清洁车窗的刮水片和刮水器系统以及产生清洁泡沫的方法
CN115502141A (zh) * 2021-06-23 2022-12-23 罗伯特·博世有限公司 刮水片
DE102022200496A1 (de) 2022-01-18 2023-07-20 Robert Bosch Gesellschaft mit beschränkter Haftung Wischblattvorrichtung und Scheibenwischer
FR3148196A1 (fr) * 2023-04-28 2024-11-01 Valeo Systemes D'essuyage Balai d’essuie-glace

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011055962A1 (de) * 2011-12-02 2013-06-06 Valeo Systèmes d'Essuyage Wischeinrichtung zum Reinigen einer Fahrzeugscheibe
KR20150037849A (ko) * 2012-08-02 2015-04-08 페더랄-모굴 에스.아. 윈드스크린 와이퍼 장치
DE102012018407A1 (de) * 2012-09-17 2014-03-20 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Wischanordnung für einen Scheibenwischer eines Kraftfahrzeugs mit Schaberfunktion
CN103121438B (zh) * 2013-01-31 2015-07-08 吉林大学 一种润湿型喷水雨刮器
FR3027577B1 (fr) * 2014-10-24 2016-12-16 Valeo Systemes Dessuyage Systeme d’essuyage pour surface vitree de vehicule et procede de fabrication
DE102017101641B4 (de) * 2017-01-27 2021-10-21 SMR Patents S.à.r.l. Wischvorrichtung für optische Vorrichtung mit Linse sowie Rückblickvorrichtung für Kraftfahrzeug mit solch einer Wischvorrichtung
DE102021100817A1 (de) 2021-01-15 2022-07-21 Bayerische Motoren Werke Aktiengesellschaft Scheibenwischersystem für Fahrzeuge und Verfahren zum Reinigen einer Fahrzeugscheibe
DE102021210090A1 (de) 2021-09-13 2023-03-16 Robert Bosch Gesellschaft mit beschränkter Haftung Wischblatt
DE102022128843B4 (de) * 2022-10-31 2024-05-29 Webasto SE Scheibenwischeranordnung und Kraftfahrzeug mit einer Scheibenwischeranordnung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449635A (en) * 1935-04-01 1936-07-01 Montague Vernon Ward Improvements in and relating to windscreen wipers
DE4111937A1 (de) * 1991-04-12 1992-10-15 Citadel Investments Reinigungsanlage fuer windschutzscheiben an kraftfahrzeugen, flugzeugen, lokomotiven oder dergleichen
US5243731A (en) * 1992-06-18 1993-09-14 Yang Ming Tung Automatic self-cleaning windshield wiper assembly
US6236180B1 (en) * 1999-10-14 2001-05-22 Daimlerchrysler Corporation Smart windshield wiper wash system
WO2001051323A1 (fr) * 2000-01-07 2001-07-19 Valeo Auto-Electric Wischer Und Motoren Gmbh Raclette d'essuie-glace pour vehicules, en particulier des vehicules automobiles
WO2002004264A1 (fr) * 2000-07-08 2002-01-17 Robert Bosch Gmbh Procede et dispositif pour nettoyer les vitres d'un vehicule
WO2002092237A1 (fr) * 2001-05-14 2002-11-21 Microheat Inc. Systeme et procede de nettoyage ou de degivrage d'un pare-brise
FR2859963A1 (fr) * 2003-09-23 2005-03-25 Bosch Gmbh Robert Bras d'essuie-glace
DE102004056835A1 (de) * 2004-11-25 2006-06-01 Valeo Systèmes d`Essuyage Wischblatt
DE102006013900A1 (de) * 2006-03-25 2007-09-27 Valeo Systèmes d`Essuyage Wischblatt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689836B1 (fr) 1992-04-08 1998-05-07 Valeo Systemes Dessuyage Dispositif d'essuie-glace incorporant un deflecteur a lame souple amovible.

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449635A (en) * 1935-04-01 1936-07-01 Montague Vernon Ward Improvements in and relating to windscreen wipers
DE4111937A1 (de) * 1991-04-12 1992-10-15 Citadel Investments Reinigungsanlage fuer windschutzscheiben an kraftfahrzeugen, flugzeugen, lokomotiven oder dergleichen
US5243731A (en) * 1992-06-18 1993-09-14 Yang Ming Tung Automatic self-cleaning windshield wiper assembly
US6236180B1 (en) * 1999-10-14 2001-05-22 Daimlerchrysler Corporation Smart windshield wiper wash system
WO2001051323A1 (fr) * 2000-01-07 2001-07-19 Valeo Auto-Electric Wischer Und Motoren Gmbh Raclette d'essuie-glace pour vehicules, en particulier des vehicules automobiles
WO2002004264A1 (fr) * 2000-07-08 2002-01-17 Robert Bosch Gmbh Procede et dispositif pour nettoyer les vitres d'un vehicule
WO2002092237A1 (fr) * 2001-05-14 2002-11-21 Microheat Inc. Systeme et procede de nettoyage ou de degivrage d'un pare-brise
FR2859963A1 (fr) * 2003-09-23 2005-03-25 Bosch Gmbh Robert Bras d'essuie-glace
DE102004056835A1 (de) * 2004-11-25 2006-06-01 Valeo Systèmes d`Essuyage Wischblatt
DE102006013900A1 (de) * 2006-03-25 2007-09-27 Valeo Systèmes d`Essuyage Wischblatt

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9045114B2 (en) 2010-09-22 2015-06-02 Trico Products Corporation Beam blade windshield wiper assembly having a fluid manifold mounting system
CN112672933A (zh) * 2018-09-10 2021-04-16 法雷奥系统公司 用于清洁车窗的刮水片和刮水器系统以及产生清洁泡沫的方法
CN115502141A (zh) * 2021-06-23 2022-12-23 罗伯特·博世有限公司 刮水片
DE102022200496A1 (de) 2022-01-18 2023-07-20 Robert Bosch Gesellschaft mit beschränkter Haftung Wischblattvorrichtung und Scheibenwischer
FR3148196A1 (fr) * 2023-04-28 2024-11-01 Valeo Systemes D'essuyage Balai d’essuie-glace

Also Published As

Publication number Publication date
EP2280851A1 (fr) 2011-02-09
DE102008042405A1 (de) 2009-10-22

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