EP2841314A1 - Balai d'essuyage, systeme de lavage et d'essuyage et vehicule associe - Google Patents
Balai d'essuyage, systeme de lavage et d'essuyage et vehicule associeInfo
- Publication number
- EP2841314A1 EP2841314A1 EP13711713.1A EP13711713A EP2841314A1 EP 2841314 A1 EP2841314 A1 EP 2841314A1 EP 13711713 A EP13711713 A EP 13711713A EP 2841314 A1 EP2841314 A1 EP 2841314A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- squeegee
- wiper
- blade
- wiper blade
- orifice
- 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- Withdrawn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
- 238000005406 washing Methods 0.000 title claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 8
- 239000011521 glass Substances 0.000 description 19
- 239000012530 fluid Substances 0.000 description 7
- 244000007853 Sarothamnus scoparius Species 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002441 reversible effect Effects 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
- B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
- B60S1/381—Spoilers mounted on the squeegee or on the vertebra
-
- 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
- B60S1/3881—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section in additional element, e.g. spoiler
-
- 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
-
- 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
Definitions
- the invention relates to the wiping of glass panel and, in particular, the wiper blades.
- a conventional wiper blade usually includes a rotatably alternating arm with a reversible drive motor, which arm supports a flexible squeegee of rubber or similar material which is applied against the surface of the windshield by mounting between it and the arm of a spring bar system, deformable according to the angular position of the arm and the curvature of the windshield in the area on which bears the squeegee.
- the washing and wiping operation of a glazed panel mainly comprises two steps.
- the sweep is performed after the lip of the squeegee is turned over.
- the washing fluid is interposed in the angle formed between the end of the lip of the squeegee and the glass surface over the entire length of the squeegee, so that the washing fluid is distributed regularly along the lip of the squeegee.
- One of the aims of the invention is to reduce the delay between, on the one hand, the activation of the pump to put the washing liquid on the concave part of the squeegee and, on the other hand, the departure of the wiper for wiping, that is to say the start of the passage between the rest position to the extreme position.
- a wiper blade of a glazed panel comprising a flexible squeegee and a washing liquid projection system, said wiper blade being suitable, when mounted movable around an axis substantially orthogonal to the glazed panel, to take a rest position in which the squeegee forms a concave portion, characterized in that the projection system comprises a first and a second washing liquid spraying orifice, said orifices being arranged so that the spray wash liquid spills over the concave portion formed by the squeegee when the wiper is in the rest position, the first wash liquid jetting port being oriented towards a first end of the wiper and the second orifice washing liquid spraying being directed towards a second end of the broom.
- the broom according to the invention has the advantage of reducing the time between the activation of the pump and the departure of the blade for wiping.
- the use of two orifices makes it possible to pour the washing liquid more rapidly on the squeegee.
- the broom according to the invention also has the advantage of allowing the use of a low pressure pump.
- the washing liquid can be thrown with a lower force than when the nozzle is installed at one end of a squeegee because the distance to travel for the liquid to spread to one end of the squeegee is lower.
- These pumps have the advantages of being less expensive and consume less electricity.
- the blade according to the invention has the advantage of providing better operation at low temperatures. Indeed, at low temperature, particularly for temperatures below 0 ° C, the viscosity of the washing liquid increases. When it is projected on the squeegee, it does not spread more evenly from one end to the other of the squeegee and washing is no longer effective. With the invention, the distance to be traveled by the washing liquid is less. Even at low temperatures, the liquid spreads evenly over the entire squeegee and the wash remains effective.
- the projection system is located substantially equidistant from the ends of the brush.
- the sum between the distance between the first orifice and the first end of the squeegee, on the one hand, and the distance between the second orifice and the second end of the squeegee, on the other hand, is substantially at less equal to the length of the squeegee.
- the first projection orifice is an end of a first tube and the second orifice is an end of a second tube.
- each of the tubes comprises a first part rectilinear, a second curved portion and a third rectilinear portion whose end is a projection orifice.
- the ratio between the length of the third straight portion and the inside diameter of the tube is equal to at least six times the inner diameter of the tube and preferably equal to a value substantially between eight and ten.
- the inner diameter of the tubes is substantially between 0.6 millimeters and 0.9 millimeters.
- the invention also relates to a wiper and washing system comprising at least one blade according to the invention and a pump connected to the projection system.
- the pump has a pressure substantially less than two bars.
- the invention also relates to a vehicle comprising a wiper system according to the invention.
- the invention also relates to a washing liquid spraying system, characterized in that it comprises a first and a second washing liquid spraying orifice, said orifices being oriented at two opposite ends, and the system comprises fastening means on a wiper blade.
- the fixing means are such that the position of the system on the blade is adjustable.
- Such a projection system can be mounted on an existing brush, or be reused when the brushes are replaced by new brushes.
- FIG. 1 illustrates an example of a wiper blade according to the invention
- FIGS. 2a to 2c illustrate in detail an exemplary system projection device according to the invention
- FIG. 3 shows a perspective view of a wiping and washing assembly according to the invention
- Figures 4a and 4b illustrate a side view of a wiper blade according to the invention.
- the invention relates to a wiper blade of a glazed panel comprising a flexible squeegee and a washing liquid projection system.
- Figure 1 shows a perspective view of an example of a wiper blade according to the invention.
- the wiper blade 1 is adapted to be mounted to move about an axis substantially orthogonal to the main plane of the glass panel, between a rest position in which the blade is located near an edge of the glass panel, in which the The brush extends substantially parallel to said edge of the glazed panel and in which the squeegee forms a concave portion, and on the other hand, an extreme scanning position in which the blade is located on the glazed panel.
- the projection system 101 comprises a first 103 and a second 104 liquid projection orifice.
- the orifices 103, 104 are arranged so that each of the jets of liquid 1 13, 1 14 from the orifices 103, 104 is spread over the concave portion formed by the squeegee 6 when the blade 1 is in the rest position.
- the first liquid projection orifice 103 is oriented towards a first end 123 of the blade 1.
- the second orifice 104 for projecting liquid is directed towards a second end 124 of the blade 1.
- the orifices 103, 104 are also oriented so that the point of impact of the jet is on the concave portion formed by the squeegee 6.
- the washing liquid then spreads in the concavity from the point of impact to one end of the squeegee. It is said that the liquid reaches the glass panel indirectly. Indeed, the liquid coming out of the projection orifice reaches the glazed panel after having spread in the part concave of the raclette. On the contrary, in so-called direct projection systems, the liquid leaving the projection orifice reaches the glazed panel directly without coming into contact with an intermediate element.
- the blade 1 comprises a squeegee attachment system intended to be connected to an arm not shown.
- the projection system is located substantially equidistant from the ends of the brush. This has the advantage of halving the distance to be traveled by the jet of liquid and thus substantially reducing the delay between the liquid splashing step and the wiping step.
- the projection system 101 is mounted on the fastening system between the brush 1 and the arm.
- Figures 2a to 2c illustrate in detail an exemplary projection system according to the invention.
- the projection system 101 includes a first 103 and a second 104 liquid spray port.
- the projection system further comprises a feed port 201 for connection to a washing liquid supply pipe.
- This pipe is positioned for example along the arm connecting the blade 1 to the vehicle.
- the projection system also comprises an intermediate portion 202 to which are connected a first 203 and a second tube 204.
- the first projection orifice 103 is an end of the first tube 203 and the second orifice 104 is an end of the second tube 204.
- the sum of the distance between the first orifice 103 and the first end of the squeegee 123, on the one hand, and the distance between the second orifice 104 and the second end of the squeegee 124, on the other hand, is substantially at least equal to the length of the squeegee 6, so that the washing liquid is sprayed on the entire squeegee.
- the length of the squeegee is the distance between the first 123 and the second 124 ends.
- the distance between the first orifice and the first end of the squeegee, on the one hand, and the second orifice and the second end of the squeegee is equal to to the length of the squeegee.
- the orifices 103, 104 are offset relative to each other and arranged so as not to disturb their liquid jet 1 13, 1 14 respectively.
- each of the tubes 203, 204 comprises a first rectilinear part, a second curved part and a third rectilinear part whose end is a projection orifice 103, 104.
- the length of the third rectilinear portion is equal to at least six times the inner diameter of the tube. This characteristic makes it possible to obtain a roll of laminar washing liquid, that is to say a rectilinear jet without dispersion, in other words whose section is substantially constant in shape and surface (for example cylindrical).
- the tube 203, 204 may take any form allowing, on the one hand, to connect it to the intermediate portion 202 of the projection system and, on the other hand, to orient its end 103, 104 substantially towards one end 123,124 of the squeegee 6.
- the inner diameter of the tubes 203, 204 is substantially between 0.6 millimeters and 0.9 millimeters.
- the inside diameter of the tubes 203, 204 is substantially equal to 0.7 millimeters.
- the invention also relates to a washing and wiping system comprising at least one brush 1 according to the invention and a low pressure pump connected to the projection system.
- the pump has for example a pressure substantially less than 2 bars.
- FIG. 3 shows a perspective view of a wiping and washing assembly of a glass surface 5 comprising a pair of windscreen wiper blades according to the invention, in the rest position.
- the wiper blades 1 are mounted so as to an arm 2 by a hinge substantially disposed in the middle portion of the wiper blade 1.
- the arms 2 are fixed on motor means connected to the body 3 so that the brushes simultaneously scan the areas to be wiped 4a-4b on the glass surface such as for example a windshield 5.
- the brushes are substantially parallel to each other and substantially parallel to the lower edge of the windshield.
- the wiper blades as shown in the figure are said to be antagonistic because they move in an opposite movement relative to each other.
- the wiper blades can also move parallel to each other or a single wiper can be arranged to wipe an area of the windshield or a rear window or even projectors. All these variants of wiping means in no way affect the operating principle of the wiper blade according to the invention.
- the wiper blades 1 shown in the figure have at each of their ends a terminal end 1 adapted.
- the brushes also include at the joint a projection system having two outlet ports for delivering two jets of washing liquid on the lip of the squeegee of the wiper blade.
- the projection system could also possibly be mounted on the wiper blade between these two ends.
- Figure 4a is a side view of a wiper blade according to the invention shown in the rest position as it would be positioned on a glass surface 5.
- the wiper blade 1 illustrated in the figure essentially comprises a squeegee 6 flexible, elongated, rubber or material similar suitable for its use for cleaning a glass surface 5 against which applies the lip 7 of the squeegee 6, in particular constituted by the surface of the front windshield or the rear window of a motor vehicle.
- the squeegee 6 has in its upper part a pin 16 which is assembled in a mortise 17 formed in the lower part of the frame 18.
- the pin 16 of the squeegee 6 slides freely in the mortise 17 of the frame 18.
- This frame 18 has a gradually tapering wall in a vertical plane to form a deflector 18a.
- the frame 18 comprises articulated connection means (not shown) to the arm 2.
- the lip 7 of the squeegee 6, placed near the lower edge of the glass surface forms a concavity along its length facing upwards.
- the support heel 7a of the lip 7 bears on the heel 9a of the armature 9 of the scraper 6.
- the orifice 103 is substantially above the concavity of the lip 7.
- the lip 7 of the squeegee 6 is rotated around the hinge 8. As soon as the wiper is moved, the lip 7 of the squeegee 6 will be rotated. and the support heel 7b of the lip 7 will bear on the heel 9b of the armature 9 of the scraper 6 as shown in support of Figure 4b.
- Figure 4b is a side view of a wiper blade in a scanning position of the glass surface 5 along the arrow F.
- the wiper blade 1 carries out the washing and wiping the glass surface 5, in this position the lip 7 of the squeegee 6 is turned around the articulation hinge 8 and the support heel 7b of the lip 7 bears on the heel 9b of the frame 9 of the squeegee 1.
- the washing liquid 26 is interposed in the angle formed between the end of the lip 7 of the scraper 6 and the glass surface 5 over the entire length of the scraper 6.
- the operation of washing and wiping a glass surface 5, with a The washing and wiping system according to the invention is similar to that described in patent application FR 2 952 884.
- the driver wishes to clean his windshield 5, he actuates the control provided for this purpose.
- the nozzles each project a jet of washing liquid on the concavity of the lip 7 squeegee 6, the latter being in the rest position, over a major part of the length separating the nozzle of the end of the squeegee 6 towards which it is directed.
- Earth gravitation can convey the fluid to the upper end of the squeegee 6 to clean all areas 4a-4b of the windshield over their entire surface.
- a second step the scanning is performed, before the lip 7 of the squeegee 6 is turned and the washing fluid is interposed in the angle formed between the end of the lip 7 of the squeegee 6 and the glass surface 5 over the entire length of the squeegee 6, in this way the washing fluid is distributed regularly along the lip 7 of the squeegee 6.
- the invention also relates to a vehicle comprising a wiper blade or a wiper system according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1253699A FR2989655B1 (fr) | 2012-04-23 | 2012-04-23 | Balai d'essuyage, systeme de lavage et d'essuyage, systeme de projection et vehicule associe |
| PCT/EP2013/056399 WO2013160049A1 (fr) | 2012-04-23 | 2013-03-26 | Balai d'essuyage, systeme de lavage et d'essuyage et vehicule associe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2841314A1 true EP2841314A1 (fr) | 2015-03-04 |
Family
ID=47989012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13711713.1A Withdrawn EP2841314A1 (fr) | 2012-04-23 | 2013-03-26 | Balai d'essuyage, systeme de lavage et d'essuyage et vehicule associe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2841314A1 (fr) |
| CN (1) | CN104640750B (fr) |
| FR (1) | FR2989655B1 (fr) |
| WO (1) | WO2013160049A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3014801A1 (fr) * | 2013-12-17 | 2015-06-19 | Peugeot Citroen Automobiles Sa | Essuie-glace comportant un gicleur reglable |
| FR3015398B1 (fr) * | 2013-12-20 | 2017-12-08 | Valeo Systemes Dessuyage | Balai d'essuie-glace comprenant un moyen de projection de liquide |
| EP2962911B1 (fr) * | 2014-07-02 | 2023-01-11 | Robert Bosch GmbH | Dispositif de balai d'essuie-glace |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827101A (en) * | 1973-03-08 | 1974-08-06 | Anderson Co | Arm mounted windshield washer jet |
| FR2648771B1 (fr) * | 1989-06-22 | 1994-11-10 | Peugeot | Balai d'essuie-glace distributeur de liquide de nettoyage |
| JP3152622B2 (ja) * | 1995-09-19 | 2001-04-03 | 光雄 藤井 | ワイパー洗浄方法及び装置 |
| FR2746751B1 (fr) * | 1996-03-27 | 1998-05-15 | Valeo Systemes Dessuyage | Essuie-glace de vehicule automobile comportant un dispositif de projection de liquide de lavage porte par un axe d'articulation de sa structure articulee |
| CA2447409A1 (fr) * | 2001-05-14 | 2002-11-21 | Uri Arkashevski | Systeme et procede de nettoyage ou de degivrage d'un pare-brise |
| JP2008137459A (ja) * | 2006-11-30 | 2008-06-19 | Asmo Co Ltd | 車両用ワイパ及びワイパブレード |
| JP4970927B2 (ja) * | 2006-12-27 | 2012-07-11 | アスモ株式会社 | ワイパブレード及び車両用ワイパ |
| 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 |
| FR2957876B1 (fr) * | 2010-03-29 | 2012-12-07 | Valeo Systemes Dessuyage | Balai d'essuie-glace de type balai plat |
| DE202010013930U1 (de) * | 2010-10-06 | 2012-01-11 | Rehau Ag + Co. | Vorrichtung für eine Scheibenwaschanlage zur Ausbildung wenigstens eines Flüssigkeitsstrahles |
-
2012
- 2012-04-23 FR FR1253699A patent/FR2989655B1/fr not_active Expired - Fee Related
-
2013
- 2013-03-26 WO PCT/EP2013/056399 patent/WO2013160049A1/fr not_active Ceased
- 2013-03-26 CN CN201380033093.1A patent/CN104640750B/zh not_active Expired - Fee Related
- 2013-03-26 EP EP13711713.1A patent/EP2841314A1/fr not_active Withdrawn
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2013160049A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104640750A (zh) | 2015-05-20 |
| FR2989655B1 (fr) | 2014-05-23 |
| FR2989655A1 (fr) | 2013-10-25 |
| CN104640750B (zh) | 2017-12-15 |
| WO2013160049A1 (fr) | 2013-10-31 |
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Owner name: MGI COUTIER S.A. Owner name: PSA AUTOMOBILES SA |
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