WO2007000346A1 - Wiping device - Google Patents
Wiping device Download PDFInfo
- Publication number
- WO2007000346A1 WO2007000346A1 PCT/EP2006/006310 EP2006006310W WO2007000346A1 WO 2007000346 A1 WO2007000346 A1 WO 2007000346A1 EP 2006006310 W EP2006006310 W EP 2006006310W WO 2007000346 A1 WO2007000346 A1 WO 2007000346A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wiper blade
- spray
- nozzle openings
- leads
- longitudinal
- Prior art date
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
Definitions
- the invention relates to a wiping device according to the preamble of Patent Claim 1 and therein, specifically, to a wiping device with a so- called ,,wet wiping blade", having numerous spray or nozzle openings for introducing a washing or cleaning fluid onto a vehicle windshield. Some of these spray or nozzle openings are arranged along one side of the wiper blade, and some of them on the other side, and for this purpose, for instance partially, provided on the respective side of the wiper blade.
- Such wet wiping blades / wiping devices with such wiper blades are known in various versions, such as DE 100 00 373, EP 1 209 050, EP 1 400 422).
- Another known form (DE 100 58 455) is the wiping device and/or its spray device which has spray or nozzle openings, formed such that selective closure of the spray or nozzle openings means that only those openings which lie in the wiping direction are opened; that is, those openings which are arranged on the side which is moving ahead, which is then obtained by - for instance - a more complex formation or shape of the wiping rubber / the rubber-elastic wiper strip.
- the aim of the invention is to obtain improved wiping or cleaning quality with the thriftiest possible use of the washing or cleaning fluid.
- a wiping device is formed according to Patent Claim 1.
- the windshield washing system or its pump at least with the first movement of the wiper blade, that is, with the initial movement of the wiping blade from the home position in the direction from which it reverses its direction, a larger quantity of washing or cleaning fluid is ejected along the side of the wiper blade which is ahead of the other side in the wiper motion out of the spray or nozzle openings which are arranged on this wiper side, than on the other side of the wiper blade, which follows in the first movement and leads in the return movement (B).
- the Jnitial movement is the movement of the wiper blade in the direction of the home position / reversal position
- the ..return movement is the movement in the direction of the reversal position / home position.
- the wiper blade has at least one wiping rubber or wiping blade, already known per se, which lie against the vehicle windshield with at least one wiping lip and with this wiping lip, define a wiping blade plane which lies across the plane of the vehicle and includes the length of the wiper blade.
- the spray or nozzle rays assigned to one longitudinal side of the wiper blade are, in the sense of the invention, such rays which strike the vehicle windshield on the same side of a wiper plane on which the corresponding longitudinal side of the wiping blade is also located.
- the spray or nozzle openings assigned to one longitudinal side of the wiper blade are therefore the nozzle openings which are assigned to such spray or nozzle rays.
- the spray or nozzle openings which are assigned to one longitudinal side of the wiper blade are, for instance, provided on this longitudinal side of the wiper blade or arranged and oriented along the wiper blade such that the spray rays which are ejected from the spray or nozzle openings strike the vehicle windshield on the same side of the wiper blade plane on which the respective side of the wiper blade is provided.
- means for controlling the ejection of the washing or cleaning fluid depending on the direction of motion of the wiper blade / of at least one wiper arm are provided such that the washing or cleaning fluid is only ejected from the spray or nozzle openings which are located on the respective longitudinal side of the wiper blade that is currently moving ahead. This produces an even thriftier use of the washing fluid. Furthermore, obstruction of visibility which is otherwise caused by the washing or cleaning fluid ejected behind the wiper blade which is in motion across the windshield is avoided, thereby increasing traffic safety.
- Fig. 1 a cross-section through a wiper blade, together with a vehicle window, for instance, a vehicle windshield;
- Fig. 2 - 7 in simplified schematic views, various embodiments of a wiping device, consisting of a wiper blade and a wiper arm.
- Figure 1 shows 1 as a flat wiper blade with a spoiler in a windshield wiper arrangement, consisting of a wiper blade body 2 which forms the spoiler and is produced from two different synthetic material in the depicted embodiment, a spring rail 3 which is produced from spring steel and included in this wiper blade body 2, as well as a wiper blade 4 which is produced from a rubber-elastic material and rests against a vehicle window 6 with a wiper lip 5.
- the wiper blade 1 is, for instance, held in the common manner with an adapter not shown in Figure 1 , on a wiper arm of the wiping device, both of which are also not shown in this figure.
- two spray or fluid channels 7 and 8 are formed, respectively one channel along each wiper blade side of the wiper blade 1 on the sides of the wiper strip 4.
- the fluid channels 7 and 8 are linked by means of a suitable, at least partially hose-formed connection to a source from which these channels are filled with a washing or cleaning fluid, namely water with possible additives, under pressure when the wiper system is operated / the spray process is activated.
- the wiper blade 1 When operating the wiping device, the wiper blade 1 is moved by the swinging wiper arm in an initial movement from a starting or home position or a position adjacent to this according to Arrow A of Figure 1 in the direction of a turning position and in a return position from the turning position according to Arrow B in the direction of the home position.
- the right longitudinal side of the wiper blade in Figure 1 which has the fluid channel 7 is that longitudinal side of the wiper blade which leads in the initial movement A
- the left longitudinal side of the wiper blade in Figure 1 which has the fluid channel 8 is that longitudinal side of the wiper blade which follows in the initial movement A and leads in the return movement B.
- the fluid channels 7 and 8 are, respectively, equipped with numerous successive spray or nozzle openings which are arranged along the longitudinal side of the wiper blade 1 ; namely the fluid channel 7 with spray or nozzle openings for ejection of liquid rays 9 of the washing or cleaning fluid, and the fluid channel 8 with spray or nozzle openings for ejection of liquid rays 10 of the washing or cleaning fluid.
- the rays of liquid are respectively bent at an angle towards the outer surface of the vehicle.
- this spray device which is formed by the fluid channels 7 and 8 and the respective spray or nozzle openings is formed so that after activation of the spray process, a larger quantity of washing or cleaning fluid is ejected onto the vehicle window out of the spray or nozzle openings along the wiper blade side which leads the other side in the initial wiper motion A, that is, from the spray or nozzle openings of the fluid channel 7, than out of the spray or nozzle openings which are arranged on the other side of the wiper blade, which follows in the initial movement A and leads in the return movement (B); that is, from the spray or nozzle openings of fluid channel 8.
- the overall opening cross-section of the spray or nozzle openings of the fluid channel 7 is greater than the overall opening cross-section of the spray or nozzle openings of the fluid channel 8, which can be accomplished by a larger number of spray or nozzle openings or by a larger opening cross-section of the spray or nozzle openings on channel 7.
- the cleaning and washing fluid is supplied to the fluid channel 7 at least during the initial movement A with pressure which is higher than the pressure in the fluid channel 8.
- the quantity of the ejected washing fluid is greater than the quantity of the washing fluid ejected during the return movement B.
- Control takes place, for instance, through a valve arrangement which is operated with the wiper arm.
- Other measures such as the use of a controllable pump with a reversible direction of rotation for transporting the washing fluid, are also feasible.
- the fluid channel 7 in the embodiment shown in Figure 1 has at least two groups of spray or nozzle openings whose fluid rays 9 strike the vehicle window 6 at differing angles ⁇ 1 and ⁇ 2, and which are arranged in the longitudinal direction of the wiper blade in alternate succession or in another arrangement.
- Figures 2-7 show a simplified image of various embodiments of the wiping device according to the invention.
- Figure 2 shows a wiping device consisting of a wiper blade 1a and a wiper arm 11 , wherein the wiper arm 11 carries the wiper blade 1a on one end, and whose other end is fastened at 12 to a shaft with a reversing drive 12 for the swinging or wiping motion.
- the wiper blade 1a is, for instance, formed in accordance with the wiper blade 1 , but definitely has spray or nozzle openings for forming the fluid rays 9 or 10 on both longitudinal wiper blade sides, wherein the number of spray or nozzle openings and therefore the number of fluid rays 9 on the longitudinal wiper blade side which leads in the initial movement A is greater than on the longitudinal wiper blade side which follows in the initial movement A and leads in the return movement B.
- the arrangement of the spray or nozzle openings is furthermore made so that - vertically to the longitudinal direction of the wiper blade 1a - one spray or nozzle opening for a fluid ray 10 lies opposite to a spray or nozzle opening 9; however, between every two successive spray or nozzle openings for the fluid rays 10, a further spray or nozzle opening is provided for a fluid ray 9.
- the quantity of the washing or cleaning fluid which is ejected on the wiper blade side which leads during the initial movement A is therefore greater than on the wiper blade side which leads during the return movement B.
- Figure 3 shows a wiper device consisting of the wiper arm 11 and the wiper blade 1 b.
- the number of spray or nozzle openings on the longitudinal wiper blade side which leads in the initial movement A is greater than on the longitudinal wiper blade side which leads in the return movement B.
- This embodiment does, however, differentiate itself from the embodiment in Figure 2 in that the spray or nozzle openings for the fluid rays 10 and the spray or nozzle openings for the fluid rays 9 are arranged so that they alternate, rather than being directly opposite each other.
- FIG 4 shows a wiping device consisting of the wiper arm 11 and a wiper blade 1c, which differentiates itself from the wiper blade 1a in that each spray or nozzle opening for a fluid ray 10 lies opposite a spray or nozzle opening for a fluid ray 9; however, the spray or nozzle openings for the fluid rays 9 have a comparatively larger opening cross-section than the spray or nozzle openings for the fluid rays 10.
- the quantity of the washing or cleaning fluid which is ejected via the spray or nozzle openings on the longitudinal wiper blade side which leads in the initial movement A is therefore greater than on the longitudinal wiper blade side which leads in the return movement B.
- Figure 5 shows a wiping device consisting of the wiper arm 11 and the wiper blade 1d.
- the fluid channel 7 which is assigned to the fluid rays 9 is supplied with the washing or cleaning fluid - at least during the initial movement A - with a pressure P1 which is greater than the pressure P2 in the fluid channel 8 which is assigned to the fluid rays 10, so that this alone, even with an equal opening cross-section of the spray or nozzle openings, means that a greater quantity of washing or cleaning fluid is ejected onto the vehicle window 6 on the longitudinal wiper blade side which leads in the initial movement, than on the longitudinal wiper blade side which leads in the return movement B.
- Figure 6 shows a further possible embodiment of a wiping device with a wiper blade 1 e and a wiper arm 1 1.
- Figure 6 shows only the fluid rays 9.
- the respective spray and nozzle openings on the longitudinal wiper blade side which leads in the initial movement A are formed in this embodiment so that the fluid rays 9 form so-called wide or fan rays and strike the vehicle window in this form, so that the washing or cleaning fluid is applied particularly evenly onto the vehicle window 6 along this longitudinal wiper blade side.
- Figure 7 shows a further possible embodiment in the form of a wiping device which consists of the wiper arm 1 1 and the wiper blade 1f.
- the fluid rays 9 which are ejected on the longitudinal wiper blade side which leads in the initial movement A are shown.
- the fluid rays 9 are formed as so-called point rays and oriented to each other such that at least, respectively, two fluid rays 9 collide with each other prior to striking the vehicle window 6, thereby forming a kind of droplet fog due to which the washing or cleaning fluid is distributed as evenly as possible on the vehicle window 6.
- the shown embodiments are like the other embodiments in that the quantity of washing or cleaning fluid ejected on the longitudinal wiper blade side which leads in the initial movement A is greater than on the longitudinal wiper blade side which leads in the return movement B.
- two spray or fluid channels 7 and 8 are provided.
- the spray or nozzle openings on the longitudinal wiper blade side which leads in the return movement so that the fluid rays are ejected onto the vehicle window at different angles, and/or to arrange the spray and nozzle openings so that the angle of the fluid rays is generally different on both longitudinal wiper blade sides.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800238884A CN101213121B (en) | 2005-06-29 | 2006-06-29 | Wiping device |
JP2008518722A JP5107913B2 (en) | 2005-06-29 | 2006-06-29 | Wiper device |
US11/994,116 US20080216274A1 (en) | 2005-06-29 | 2006-06-29 | Wiping Device |
EP06754623.4A EP1896306B1 (en) | 2005-06-29 | 2006-06-29 | Method of use of a wiping device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005030201A DE102005030201A1 (en) | 2005-06-29 | 2005-06-29 | wiper device |
DE102005030201.7 | 2005-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007000346A1 true WO2007000346A1 (en) | 2007-01-04 |
Family
ID=36753588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/006310 WO2007000346A1 (en) | 2005-06-29 | 2006-06-29 | Wiping device |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080216274A1 (en) |
EP (1) | EP1896306B1 (en) |
JP (1) | JP5107913B2 (en) |
CN (1) | CN101213121B (en) |
DE (1) | DE102005030201A1 (en) |
TW (1) | TWI363010B (en) |
WO (1) | WO2007000346A1 (en) |
Cited By (24)
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FR2923785A1 (en) | 2007-11-19 | 2009-05-22 | Valeo Systemes Dessuyage | WIPER BLADE FOR VEHICLE WINDOWS. |
FR2923787A1 (en) | 2007-11-19 | 2009-05-22 | Valeo Systemes Dessuyage | Wiping blade for flat windscreen wiper of motor vehicle, has wiping lip and heel connected together by intermediate part, which includes locking clamp permitting partial locking of rotation of heel in maintenance rail |
FR2923788A1 (en) | 2007-11-19 | 2009-05-22 | Valeo Systemes Dessuyage | WIPER BLADE. |
FR2926765A1 (en) | 2008-01-25 | 2009-07-31 | Valeo Systemes Dessuyage | DEVICE FOR PROJECTING A WASHING FLUID OF A GLASS OF A MOTOR VEHICLE AND A WIPING SYSTEM COMPRISING SAID PROJECTION DEVICE |
WO2009118286A1 (en) * | 2008-03-26 | 2009-10-01 | Valeo Systemes D'essuyage | Wiper for vehicle windows |
FR2929906A1 (en) * | 2008-04-15 | 2009-10-16 | Valeo Systemes Dessuyage | DEVICE FOR SPRAYING WASHING LIQUID ON A GLASS OF A VEHICLE. |
FR2929907A1 (en) * | 2008-04-15 | 2009-10-16 | Valeo Systemes Dessuyage | DEVICE FOR SPRAYING WASHING LIQUID ON A GLASS OF A VEHICLE. |
FR2929905A1 (en) * | 2008-04-15 | 2009-10-16 | Valeo Systemes Dessuyage | DEVICE FOR SPRAYING WASHING LIQUID ON A GLASS OF A VEHICLE. |
DE102009016603A1 (en) | 2008-04-15 | 2009-12-17 | Valeo Systèmes d'Essuyage | Projection device of a washing liquid on a vehicle window |
FR2933931A1 (en) * | 2008-07-16 | 2010-01-22 | Valeo Systemes Dessuyage | Glass pane i.e. windscreen, deicing method for motor vehicle, involves simultaneously activating projection ramps of washing liquid projecting devices, before placing wiping blades in respective deicing positions at interior of wiping zones |
EP2228271A1 (en) | 2009-03-13 | 2010-09-15 | Valeo Systemes D'Essuyage | Wiping device for spraying washer fluid from the wiper blade |
WO2011072776A1 (en) * | 2009-12-19 | 2011-06-23 | Daimler Ag | Wiper arrangement and method for operating a wiper arrangement for a motor vehicle |
WO2011160952A1 (en) | 2010-06-21 | 2011-12-29 | Valeo Systemes D'essuyage | Windshield wiper blade having an integrated spraying device |
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US20120266403A1 (en) * | 2009-12-19 | 2012-10-25 | Daimier Ag | Arrangement of a Wiper System Having an Associated Windshield Washer System on a Motor Vehicle |
EP2648945B1 (en) | 2010-12-10 | 2015-06-10 | Renault S.A.S. | Windshield wiper and windshield washer device |
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FR2973759B1 (en) * | 2011-04-06 | 2016-10-21 | Valeo Systemes Dessuyage | LIQUID SPREADING DEVICE FOR WIPING BROOM |
FR2975060B1 (en) * | 2011-05-09 | 2013-05-24 | Peugeot Citroen Automobiles Sa | WIPER BLADE WITH A LIQUID PROJECTION DEVICE ON THE RACLETTE LIP |
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US8621705B1 (en) * | 2011-09-01 | 2014-01-07 | Nelu Valeanu | Spraying windshield wiper assembly |
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FR2999131B1 (en) * | 2012-12-10 | 2015-01-02 | Valeo Systemes Dessuyage | WIPER BLADE |
FR2999130B1 (en) * | 2012-12-10 | 2017-05-05 | Valeo Systemes Dessuyage | TRAINER, DEVICE FOR MAINTAINING A PIPE, IN PARTICULAR A WASHER LIQUID, AND A CORRESPONDING WIPING SYSTEM |
CN104554173B (en) * | 2013-10-22 | 2017-01-11 | 扬弘实业股份有限公司 | Adaptor for wiper, wiper module and wiper system |
CN105658487B (en) * | 2013-10-24 | 2017-11-14 | 株式会社美姿把 | Rain shaving blade |
CN103693019A (en) * | 2014-01-09 | 2014-04-02 | 任强 | Side-blown synchronous scrubbing windscreen wiper reversing by double wiper blade shafts |
CN105939903B (en) * | 2014-01-30 | 2017-11-21 | 株式会社美姿把 | Rain shaving blade |
US10507803B2 (en) * | 2014-08-08 | 2019-12-17 | Mitsuba Corporation | Wiper apparatus and nozzle unit |
KR101655536B1 (en) | 2014-09-24 | 2016-09-07 | 현대자동차주식회사 | Washer nozzle integrated wiper blade |
FR3027577B1 (en) * | 2014-10-24 | 2016-12-16 | Valeo Systemes Dessuyage | WINDING SYSTEM FOR GLASS VEHICLE SURFACE AND METHOD OF MANUFACTURE |
FR3032669B1 (en) * | 2015-02-16 | 2018-10-26 | Valeo Systemes D'essuyage | WIPER BLADE OF A GLASS OF A VEHICLE WITH ADJUSTED SPRAY DENSITY |
JPWO2018055871A1 (en) | 2016-09-21 | 2019-06-24 | 本田技研工業株式会社 | Wiper device |
DE102018222268A1 (en) * | 2018-12-19 | 2020-06-25 | Robert Bosch Gmbh | Wiper blade device |
DE102019212238A1 (en) * | 2019-08-15 | 2021-02-18 | Robert Bosch Gmbh | Wiper blade device |
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2005
- 2005-06-29 DE DE102005030201A patent/DE102005030201A1/en not_active Withdrawn
-
2006
- 2006-06-29 JP JP2008518722A patent/JP5107913B2/en active Active
- 2006-06-29 US US11/994,116 patent/US20080216274A1/en not_active Abandoned
- 2006-06-29 CN CN2006800238884A patent/CN101213121B/en active Active
- 2006-06-29 TW TW095123575A patent/TWI363010B/en not_active IP Right Cessation
- 2006-06-29 EP EP06754623.4A patent/EP1896306B1/en active Active
- 2006-06-29 WO PCT/EP2006/006310 patent/WO2007000346A1/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
EP1896306A1 (en) | 2008-03-12 |
JP2008546596A (en) | 2008-12-25 |
CN101213121B (en) | 2011-04-13 |
CN101213121A (en) | 2008-07-02 |
JP5107913B2 (en) | 2012-12-26 |
TW200716417A (en) | 2007-05-01 |
TWI363010B (en) | 2012-05-01 |
US20080216274A1 (en) | 2008-09-11 |
EP1896306B1 (en) | 2016-04-06 |
DE102005030201A1 (en) | 2007-01-11 |
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