EP2841315A1 - Raclette de balai d'essuie-glace avec goulotte le long de la levre - Google Patents
Raclette de balai d'essuie-glace avec goulotte le long de la levreInfo
- Publication number
- EP2841315A1 EP2841315A1 EP13722496.0A EP13722496A EP2841315A1 EP 2841315 A1 EP2841315 A1 EP 2841315A1 EP 13722496 A EP13722496 A EP 13722496A EP 2841315 A1 EP2841315 A1 EP 2841315A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wiper blade
- lip
- squeegee
- section
- liquid
- 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.)
- Withdrawn
Links
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 230000005465 channeling Effects 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 8
- 239000011521 glass Substances 0.000 description 17
- 238000005452 bending Methods 0.000 description 3
- 244000007853 Sarothamnus scoparius Species 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3886—End caps
- B60S1/3894—End caps having a particular shape
-
- 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
Definitions
- the invention relates to a wiper blade squeegee. It also relates to a wiper blade equipped with said squeegee. The invention also relates to a vehicle equipped with said wiper blade.
- EP 1 918 167 A1 discloses a device attached to a wiper blade.
- the device comprises a pipe, a fastener in which is formed a pipe connection and one or more spray nozzles.
- the device is positioned on the wiper blade so as to diffuse the liquid on the windshield.
- the pipe extends along the wiper blade and has a plurality of nozzles distributed along its length. This device allows to project directly on the windshield cleaner.
- the projection mode requires a large amount of product. In addition, it requires a large product storage capacity.
- the product can be directly sprayed onto the squeegee of the wiper blade.
- FR 2 952 884 A1 discloses for this purpose a vehicle wiper blade, equipped with a duct outlet disposed relative to the squeegee so as to project on it a jet of liquid over its entire length.
- the liquid is projected on the rear face of the squeegee, away from the breath of air inherent in the movement of the vehicle.
- the squeegee has a flexible lip that can switch between two positions, one of which brings it closer to the jet of liquid. Moreover, in this position the section of the lip curves and forms a channel in which the projected liquid flows.
- the liquid can be distributed homogeneously along the squeegee which forms a kind of reservoir.
- the invention aims to solve at least one of the problems raised by the prior art.
- the invention aims to increase the efficiency of a wiper blade. More particularly, the invention aims to reduce the pressure required for the projection of the cleaning liquid to spread along the wiper blade.
- the invention also aims to facilitate the flow of liquid along the wiper blade.
- the invention relates to a wiper blade wiper vehicle, consisting essentially of a section of flexible material comprising: a frame and a lip connected to the frame by a flexible hinge; remarkable in that the lip comprises at least one chute capable of channeling along the lip the washing liquid supplied by a nozzle when it is arranged in front of the channel or chutes.
- the section of the profile is preferably at least substantially constant along its length.
- the channel or chutes are formed in the lip, more particularly in its wiping surface (s). They are visible in the unstressed state of the lip.
- the armature is advantageously configured to engage mechanically with a frame of the wiper blade.
- the squeegee may have two wiping surfaces having substantially symmetrical longitudinal profiles.
- the chute or at least one of the chutes is of generally circular section and extends over a majority of the length of the profile, preferably over the entire length of the profile.
- the section of the lip has a generally triangular shape, the or at least one of the troughs being arranged on a first side of the triangle, a second side of the triangle preferably also including at least one trough, the third side of the triangle corresponding to the hinge.
- the squeegee comprises two troughs arranged side by side on at least one of the sides of the lip, preferably at each of said sides.
- the chute or at least one of the chutes comprises a variable section along the profile.
- the section of the chute or at least one of the chutes is essentially semicircular.
- the invention also relates to a vehicle wiper blade comprising a squeegee, remarkable in that the squeegee is in accordance with the invention, and in that it comprises means for supplying washing liquid arranged in front of the or at least one of the chutes.
- the washing liquid supplying means comprise a nozzle capable of projecting the liquid preferably in a laminar flow, to the trough or chutes at an angle of incidence of less than 30 °, preferably less than 30 °. at 20 °, more preferably below 10 °.
- the washing liquid supplying means are arranged at one end of the squeegee, the section of the chute or at least one of the chutes increases along the profile with the distance means for supplying washing liquid.
- the trough or chutes have an average width less than the outlet section of the means. for supplying washing liquid, preferably less than 60% of said section
- the invention also relates to a vehicle equipped with the squeegee or wiper blade according to the invention.
- the measures of the invention provide a squeegee provided with a lip collecting and accompanying the jet of liquid. Thanks to its chutes, the jet is deflected and channeled longitudinally. These chutes improve the flow quality by reducing the friction experienced by the liquid. A jet of liquid will more easily manage to travel a given length of the squeegee in a given time.
- FIG. 1 shows a glazed surface provided with at least one wiper blade according to the invention.
- FIG. 2 shows a section of wiper blade according to the invention.
- FIG. 3 illustrates a section of wiper blade according to the invention in a first wiping position.
- Figure 1 shows a glazed surface 2 or ice 2 of a vehicle such as a front windshield. To clean it, especially when the vehicle is running, this glass surface is equipped with at least one wiper blade 4, preferably two.
- the invention is applicable to any glazed surface of the vehicle, including a rear window, side windows or projector windows.
- the windscreen wiper blade 4 is rotatably mounted on the vehicle so as to cover a portion of the glass surface 2.
- the windscreen wiper blade 4 is powered by a motor in back and forth movements. It alternately follows a first phase of elevation, then a second phase of return to a low position of the wiper blade.
- the mechanisms of actuation and control of this kinematics are well known to those skilled in the art and will not be further detailed.
- the wiper blade 4 has a main elongation along a longitudinal axis. It is connected in the central part to an actuating arm 6.
- the wiper blade 4 shows a radial stiffness which allows it not to bend upon actuation of the arm 6.
- the glazed surface 2 is generally curved or bent. Based on this bending and the implementation of the wiper blade 4, the intersection between the blade and the window is a curve that varies depending on the angular position of the wiper blade. To allow the latter to marry the bending of the glass surface regardless of its position, it has flexibility flexion along a transverse axis. It nevertheless has a certain stiffness in front of a flexion along the transverse axis in order to be plated with a certain pressure against the glass surface.
- Figure 2 shows a cross section of a wiper blade 4 according to the invention.
- the wiper blade 4 has a longitudinal frame 8.
- the frame 8 extends over the length of the wiper blade 4. It is made of a substantially semi-rigid polymer material. Its shape has a contoured surface with a deflector that takes advantage of an aerodynamic effect. As the vehicle moves, the air blows against the baffle and the plating force of the frame against the glass surface increases.
- a longitudinal and semi-rigid blade 10 Inside the framework 8 is inserted a longitudinal and semi-rigid blade 10.
- the blade 10 makes it possible to stiffen the framework facing a vertical axis bending, and to form a stiffness that is flexibly controlled along a transverse axis of radius preferably between 2000 and 4000 mm.
- the cap 12 and the profiled support 14 can be placed at one end of the wiper blade 4 or along the broom. wiper.
- the windscreen wiper 4 has several caps and profiled supports.
- the shaped support 14 may be made of metal, for example steel.
- the cap 12 may be made of polymer, and has a hardness and rigidity greater than the material of the frame 8.
- the cap 12 is an intermediate piece between the shaped support and the frame. Thanks to this assembly, the profiled support 14 is preferably crimped over its entire length on the framework with a high stress without risk of degrading the framework 8.
- the profiled support 14 has a holding means 16.
- the holding means 16 may be a flexible gripper integral with the rest of the profiled support 14.
- the holding means 16 has a hook profile in which is inserted and maintained a conduit 18.
- the conduit 18 has a conduit outlet 18.
- the conduit 18 allows to route a liquid, for example a cleaning liquid or cleaning fluid for glass surface.
- a nozzle 20 At the duct outlet 18 is mounted a nozzle 20 which makes it possible to create an oriented jet with a substantially tubular section. The tubular shape makes it possible to create a laminar jet.
- the wiper blade 4 has a flexible squeegee 22.
- the squeegee 22 may be made of rubber, silicone or any other equivalent material.
- the squeegee 22 is engaged in the frame 8 over its entire length.
- the squeegee 22 is positioned substantially in alignment with a vertical and longitudinal central plane.
- the squeegee 22 may be generally symmetrical with respect to the central plane.
- the squeegee 22 comprises a flexible lip 24.
- the lip 24 extends over the length of the squeegee 22, it is implanted in the lower part.
- the lip 24 is connected to the rest of the squeegee by means of pivoting means or hinge 26. The latter allows pivoting along a longitudinal pivot axis.
- the squeegee 22 further has abutment means 28 arranged in pairs. The abutment means are able to come into contact with one another during the pivoting of the lip 24.
- the abutment means 28 limit the pivoting of the lip 24 along the longitudinal pivot axis in order to approach an angle of optimal operation preferably of 45 °.
- the lip 24 may occupy an equilibrium position free from external stresses, such as that shown in FIG.
- the squeegee 22 also comprises a frame 25 supporting the hinge 26 and the abutment means 28.
- the frame 25 has a profile capable of mechanically engaging with the frame 8, such as a profile with a sole or dovetail.
- the wiper blade 4 When the wiper blade 4 is mounted on a vehicle against the glass surface 2, the lip 24 undergoes a plating force. It will then occupy either the first or the second position. The change of position, or tilting occurs during operation of the wiper blade 4 and its movements back and forth. The friction and the reversal of direction of movement of the wiper blade 4 allow the change of position.
- the lip has a wiping edge 35 intended to come into contact with the glass surface 2 and to slide or rub against the latter when the arm 6 is actuated.
- the passage of the wiping edge 35 makes it possible to scrape a liquid spray and to drive off a solid deposit.
- the lip 24 has two chutes 34 separated by a longitudinal rib 32.
- the trough 34 has a curved bottom.
- the bottom substantially forms a portion of a circle, preferably more than one quarter circle, more preferably more than one third of a circle, more preferably substantially a half circle.
- the chute 34 may have a shape of "U" or any shape that can be molded or extruded.
- the nozzle 20 is positioned at the level of the lip 24, facing the corresponding side surface 30 of the lip 24.
- FIG. 3 shows the wiper blade 4 where the lip 24 occupies the first position.
- a jet of liquid 36 The liquid jet 36 has a substantially cylindrical section when it comes from the nozzle 20.
- the liquid is sprayed on the rear face of the squeegee, away from the breath of air inherent in the movement of the vehicle.
- the section of the lip curves and comprises a chute in which circulates the projected liquid.
- the wiper blade 4 When the wiper blade 4 is in contact with the curved glass surface, the lip has a longitudinal curvature with a rear concave face. This concave face is on the side where the nozzle is placed, which makes it possible to better contain the jet of liquid.
- the liquid can thus be distributed homogeneously along the squeegee which forms a kind of reservoir.
- the lip tilts when the direction of wiping changes the liquid is pressed against the glass surface and forms a wedge of liquid which is applied against the glass surface and participates in its cleaning.
- the liquid jet is projected against the wiping surface of the lip flush.
- the jet of liquid is laminar and substantially longitudinally oriented to the surface to be wiped.
- the angle between the liquid jet and the longitudinal axis of the lip is between 10 ° and 0 °, preferably between 5 ° and 0 °, even more preferably between 2 ° and 0 °.
- the chute 34 is in the extension of the glicler. It will have been understood that when a laminar jet of liquid 36 is projected from the nozzle, the jet that flows out rushes into and is channeled through the chute 34.
- the nozzle targets the rib 32 located between them.
- a liquid jet 36 is projected from the nozzle 20
- the jet that emerges impacts the rib 32.
- the jet splits and divides on both sides of the rib 32. It then follows the longitudinal ducts 34 along the lip.
- the jet of liquid 36 is better conducted and better guided. Due to its section, and in particular its depth, the chute 34 reduces the resistance to the flow of the liquid jet 36 of a given section. The latter will more effectively distribute itself along the squeegee 22 when it is projected from one end of the squeegee.
- the shape of the rib 32 distributes the jet in the troughs 34 when there are several.
- the profiles of the chute and / or the rib can move along the lip to optimize the reception of the jet and facilitate a homogeneous distribution, and limit the friction of the liquid related to its viscosity.
- the lip 24 When pressed against the glass surface in the first position, the lip 24 is hollowed on the side of the rib 32.
- This aspect further increases the depth of the troughs 34, and again facilitates the circulation of subdivided liquid jets.
- a jet of a given section will be in contact with the lip 24 on a reduced surface, which reduces the friction of the liquid against the surface which oppose its circulation along the squeegee.
- the wiping surface is provided with at least two chutes. They increase the useful section for the circulation of liquid while maintaining a given lip width.
- This configuration is advantageous. It reduces the pressure required for a jet of liquid to spread along the squeegee and reaches the opposite end of the squeegee before the return phase of the wiper blade.
- the pump pressurizing the liquid can be undersized, which lighten a vehicle being equipped.
- this pump will consume less energy, reducing the primary energy requirements of the vehicle.
- the network supplying said pump can be simplified. This power supply may possibly be coupled to the power supply of another vehicle component. In this way, the invention again offers the possibility of saving money.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1253827A FR2989946B1 (fr) | 2012-04-26 | 2012-04-26 | Raclette de balai d’essuie-glace avec goulotte le long de la levre |
| PCT/FR2013/050848 WO2013160586A1 (fr) | 2012-04-26 | 2013-04-17 | Raclette de balai d'essuie-glace avec goulotte le long de la levre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2841315A1 true EP2841315A1 (fr) | 2015-03-04 |
Family
ID=46754586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13722496.0A Withdrawn EP2841315A1 (fr) | 2012-04-26 | 2013-04-17 | Raclette de balai d'essuie-glace avec goulotte le long de la levre |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2841315A1 (fr) |
| CN (1) | CN104470768B (fr) |
| FR (1) | FR2989946B1 (fr) |
| WO (1) | WO2013160586A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015114925A1 (de) * | 2015-09-07 | 2017-03-09 | Valeo Systèmes d'Essuyage | Wischvorrichtung zum Reinigen von Fahrzeugscheiben |
| CN112849078A (zh) * | 2021-03-19 | 2021-05-28 | 刘锋 | 一种刮水片 |
| CN114228664A (zh) * | 2021-12-21 | 2022-03-25 | 重庆金康赛力斯新能源汽车设计院有限公司 | 雨刮片喷嘴支架 |
| CN114734955A (zh) * | 2022-04-07 | 2022-07-12 | 安徽工业大学芜湖技术创新研究院 | 雨刮器表面织构 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3138817A (en) * | 1961-08-14 | 1964-06-30 | Ralph H Wise | Windshield wiper blade |
| JPS6158159U (fr) * | 1984-09-25 | 1986-04-18 | ||
| FR2734223B1 (fr) * | 1995-05-17 | 1997-06-13 | Valeo Systemes Dessuyage | Raclette d'essuyage pour un essuie-glace de vehicule automobile |
| JPH1178793A (ja) * | 1997-09-12 | 1999-03-23 | Asmo Co Ltd | ワイパのブレードラバー |
| DE10130939B4 (de) * | 2001-06-27 | 2006-01-12 | Robert Bosch Gmbh | Wischleiste |
| JP3887628B2 (ja) * | 2003-12-08 | 2007-02-28 | 黒澤 公司朗 | ワイパーブレードのブレードゴム |
| EP1918167A1 (fr) | 2006-10-30 | 2008-05-07 | Valeo Systèmes d'Essuyage | Dispositif à fixer sur un balai d'essuie-glace |
| FR2918025B1 (fr) * | 2007-06-28 | 2009-10-23 | Valeo Systemes Dessuyage | Balai d'essuie-glace dont la lame comporte un talon mobile dans l'element structurel |
| FR2952884B1 (fr) * | 2009-11-23 | 2012-12-14 | Peugeot Citroen Automobiles Sa | Balai d'essuie glace et dispositif d'essuyage et de lavage d'une surface vitree d'un vehicule automobile et procede d'essuyage et de lavage correspondant |
-
2012
- 2012-04-26 FR FR1253827A patent/FR2989946B1/fr not_active Expired - Fee Related
-
2013
- 2013-04-17 WO PCT/FR2013/050848 patent/WO2013160586A1/fr not_active Ceased
- 2013-04-17 EP EP13722496.0A patent/EP2841315A1/fr not_active Withdrawn
- 2013-04-17 CN CN201380022091.2A patent/CN104470768B/zh not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2013160586A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013160586A1 (fr) | 2013-10-31 |
| FR2989946A1 (fr) | 2013-11-01 |
| CN104470768A (zh) | 2015-03-25 |
| CN104470768B (zh) | 2017-01-18 |
| FR2989946B1 (fr) | 2015-06-26 |
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| DAX | Request for extension of the european patent (deleted) | ||
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PSA AUTOMOBILES SA |
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