WO2008099056A1 - Essuie-glace de pare-brise - Google Patents

Essuie-glace de pare-brise Download PDF

Info

Publication number
WO2008099056A1
WO2008099056A1 PCT/FI2008/050054 FI2008050054W WO2008099056A1 WO 2008099056 A1 WO2008099056 A1 WO 2008099056A1 FI 2008050054 W FI2008050054 W FI 2008050054W WO 2008099056 A1 WO2008099056 A1 WO 2008099056A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
windshield wiper
set forth
blade element
cassette block
Prior art date
Application number
PCT/FI2008/050054
Other languages
English (en)
Inventor
Keijo Vornanen
Original Assignee
Keijo Vornanen
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 Keijo Vornanen filed Critical Keijo Vornanen
Publication of WO2008099056A1 publication Critical patent/WO2008099056A1/fr

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
    • B60S1/04—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
    • B60S1/3803—Wiper blades heated wiper blades
    • B60S1/3805—Wiper blades heated wiper blades electrically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • 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
    • 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
    • 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
    • B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
    • 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
    • B60S2001/3829—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by the material of the squeegee or coating thereof
    • 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 windshield wiper, comprising a body and a replaceable blade element which is capable of being attached to the body.
  • the windshield wiper according to the invention includes preferably also a heating line in connection with the body and/or the blade element, and a thermostat which connects electric current to the heating line when the outdoor air temperature falls below a predetermined limit and disconnects electric current from the heating line when the temperature rises above a predetermined limit.
  • Windshield wipers of this type are prior known e.g. from Patent publications US-4,603,451 and US-2004/0006839 Al, as well as US-6,507,973.
  • Applicant's earlier patent FI 106370 discloses a heatable windshield wiper, the blade of which releases slight amounts of silicone onto the windshield surface for providing a water-repellent clear coating.
  • a problem with the prior known windshield wipers is that the wiper arm's elastic force and/or the wiper's specific stiffness is not always sufficient to press the wiper blade over its entire length against the windshield surface, the wiping result being left with blind spots. This problem becomes particularly evident with ice or dirt on the windshield surface.
  • a further object of the invention is to provide an easy replaceability of the blade element, enabling the use of a heated blade in the winter and an unheated one in the summer. This object of the invention is achieved on the basis of the characterizing features set forth in the appended claim 1. Preferred embodiments of the invention are presented in the dependent claims.
  • Rg. 1 shows a windshield wiper according to one embodiment of the invention in cross-section
  • Rg. 2 shows the windshield wiper of fig. 1 obliquely from above in a perspective view.
  • Rg. 3 shows a cassette block 7 and a replaceable blade cassette 2, 7 in cross-section, according to a second embodiment.
  • the windshield wiper comprises a body 1 and a replaceable blade element 2 capable of being attached to the body by means of a cassette block 7.
  • the blade element 2 and the cassette block 7 establish jointly a blade cassette 2, 7, which is replaced whenever a blade 2b must be replaced.
  • the blade cassette 2, 7 and the body 1 terminate in a connector 16, which couples the body element's heating line 3 with a heating line 4 present inside the blade element.
  • the connector may be located in the middle of a wiper near the connection point of an arm 9.
  • the heating line can be arranged to extend either in connection with just the body or the blade element.
  • the body 1 and the cassette block 7 can be made in plastics and manufactured by injection moulding.
  • Coupled with electric power supply wires 3a inside the arm 9 is a thermostat 5, connecting the electric current to the heating line 3,4 as the outdoor air temperature falls below a predetermined limit (e.g. +4°C) and disconnects the electric current from the heating line 3, 4 as the temperature rises above a predetermined limit.
  • the thermostat 5 may also connect directly to the heating line 3, 4, measuring its temperature. In this case, the disconnection of heating current may occur e.g. at a resistance wire temperature of +75 0 C.
  • the blade element 2 comprises a flexible member 6, which defines a cavity filled with a fluid type substance 2a and which is present between the cassette block 7 and the blade 2b, enabling distance variations between the cassette block 7 and the blade 2b.
  • the fluid type substance may comprise a gas such as air, a liquid, a gel, a colloid, soft silicone, etc. This fluid type substance may be in communication with the blade 2b by way of microchannels, leaving tiny amounts of the substance on the glass surface to establish a water-repellent clear coating or skin.
  • the actual blade 2b itself is manufactured from such components that at least one component releases in a controlled manner a water-repellent clear coating onto the windshield surface.
  • Such a coating is dirt-repellent, i.e. facilitates working of the blade in its efforts to remove dirt from the windshield surface.
  • the flexible member 6 and the blade 2b can be made of silicone, having its stiffness or elasticity chosen for the purpose.
  • the pressure applied to the glass by the blade 2b is respectively distributed evenly over the entire length of the blade.
  • the body 1 is a trough-like section of moderate rigidity, which is shaped as a U- or C-section receiving the blade element.
  • the cassette block 7 consists of block members which are linked to each other by means of a membrane hinge 11, which extends longitudinally of the wiper and around which the cassette block's 7 members are pivotable to a limited extent.
  • the membrane hinge 11 has a sufficient stiffness for holding the cassette block in a rest position as shown in fig. 1 or 3, in which it is insertable inside the body 1. The hinge 11 nevertheless allows for opening the cassette block 7 for installation of the blade element 2.
  • the cassette block 7 is provided with clamping claws 12, between or behind which the blade element's 2 clamping bracket 13 is squeezed or engaged, when the cassette block 2 is in a rest condition in which it is insertable inside the body 1.
  • the embodiment of fig. 3 differs from fig. 1 in the sense that the cassette block 7 of fig. 3 is provided with two membrane hinges 11 and the blade element 2 has its flexible member 6 provided at its top corners respectively with two clamping brackets 13, which are locked behind the claws 12 of the cassette block 7. This provides the flexible member 6 with a better bracing than the attachment of fig. 1.
  • the cassette block 7 With the cassette block 7 inserted in a receptacle defined by the body 1, the cassette block is fixed by the body to its configuration so as to disallow opening of the membrane hinge or membrane hinges 11 and to hold the blade element 2 firmly in the cassette block.
  • the cassette block 7 is locked to the body 1 by clamping elements 15 whose engagement claws snap into recesses in the body 1, when the cassette block 7 is in its position inside the body 1.
  • the locking can be released by turning the clamping elements' engagement claws outward.
  • the clamping elements are implemented e.g. by providing the body 1 with spring-loaded rocking arms whose ends snap into recesses in the cassette block 7 as the cassette block 7 pushed into its position inside the body 1. In this case, the release is effected by pressing the levers to turn the same against a spring load, whereby the locking is released and the blade cassette 2, 7 can be disengaged and replaced with a new one.
  • This simple replaceability is also important for the reason that the blade cassette intended for summertime use needs no heating. If the replacement of a blade cassette was an inconvenient procedure, the user would not always replace the blade but would use the more expensive heated blade also in the summer.
  • the heating line 3, or a line 3a supplying power thereto, is provided with a signal light 10, indicating that heating is on.
  • the signal light 10 is included in a wiper arm 9.
  • Heating resistances 4 are insertable side by side into a channel 2c in the blade element 2, immediately above the blade 2b.
  • the wiper arm 9 is fixed to the body 1 by any appropriate mechanism, which allows for an angular deflection within a narrow range between the longitudinal directions thereof.
  • the body 1 In its rest condition, the body 1 can be slightly more arcuate or straighter than the curvature of a windshield, the elasticity of the blade 2b and the flexible member 6 allowing the blade curvature to settle in conformity with the windshield curvature in response to a bias pressure applied by the arm element 9 to the body l.
  • the pressing of the blade 2b can be managed against windshield surfaces of various curvatures with a constant force over the entire length thereof. The wiping result does not develop blind spots, even with irregularities of ice or dirt on the surface to be wiped.
  • the blade element 2 has its flexible member 6 provided with bellows-like folds 14 for increasing a flexible travel distance of the blade 2b with a relatively narrow fluctuation range of pressure force applied to the blade.
  • the pressure of fluid existing in the cavity of the flexible member 6 must be chosen to fit the purpose, the same applying also to the elasticity and wall - o
  • the blade 2b declines to an appropriate wiping angle as the wiper travels back and forth.
  • a rigid body 1 attached directly to the arm provides an assembly more beneficial than those of the prior art in terms of power supply and the disposition of resistance wires.
  • the wires shall not remain exposed and, thus, shall not be susceptible to damage (attrition, twisting, etc.). Distribution of electric power can proceed from a fuse box.
  • Position of the thermostat 5 is also selectable in view of providing a high operating reliability in freezing winter conditions. Heating is automatically on, whenever needed.
  • the replacement of a worn-out blade element 2 can be performed easily and quickly without having to replace the wiper body 1, which can be permanently attached to the arm 12, yet in such a way that it can be replaced by means of tools in case the body element 1 becomes damaged.
  • a wash liquid spraying mechanism in connection therewith.
  • spray channels 17, along with nozzles 18 therefor are placed on either side of the body 1 at outer and lower edges of the body. Both channels 17 are supplied with wash liquid by means of specific supply conduits 17a, placed within the arm 9 or possibly mounted also on top of the arm 9.
  • the supply conduits 17a may connect to a dispensing valve, which dispenses wash liquid alternately into various supply conduits 17a and into various spray channels, such that the spraying is only or mainly effected from the wiper edge leading the way in the wiper traveling direction.
  • This type of mechanism has been described in the Applicant's patent FI-85356.
  • a windshield wiper according to the invention reduces the number of road accidents by improving visibility even in difficult driving conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning In General (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Abstract

La présente invention se rapporte à un essuie-glace de pare-brise qui comprend un corps (1) et un balai remplaçable (2) qui peut être fixé au corps. Le corps (1) est sensiblement rigide. Le balai souple (2) est attaché à un bloc cassette (7) qui, conjointement avec le balai (2), constitue une cassette de balai remplaçable (2, 7). Le balai (2) comprend un élément souple (6) qui définit une cavité remplie d'une substance (2a) de type fluide et qui est placé entre un bloc (7) et un balai (2b), ce qui autorise des écarts de distance entre le bloc cassette (7) et le balai (2b).
PCT/FI2008/050054 2007-02-13 2008-02-12 Essuie-glace de pare-brise WO2008099056A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075099A FI120968B (fi) 2007-02-13 2007-02-13 Tuulilasin pyyhkijä
FI20075099 2007-02-13

Publications (1)

Publication Number Publication Date
WO2008099056A1 true WO2008099056A1 (fr) 2008-08-21

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ID=37832250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2008/050054 WO2008099056A1 (fr) 2007-02-13 2008-02-12 Essuie-glace de pare-brise

Country Status (2)

Country Link
FI (1) FI120968B (fr)
WO (1) WO2008099056A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011003613A1 (fr) * 2009-07-08 2011-01-13 Valeo Systèmes D' Essuyage Balai d'essuie-glace plat
US20110302738A1 (en) * 2009-03-25 2011-12-15 Valeo Systemes D'essuyage Wiper blade
EP2712775A3 (fr) * 2008-03-26 2014-08-27 Valeo Systèmes d'Essuyage Balai d'essuyage pour vitres de vehicule
EP2873569A1 (fr) * 2013-11-19 2015-05-20 Valeo Systèmes d'Essuyage Système d'essuyage de vitre de véhicule muni d'un indicateur de chauffe
EP2951064A4 (fr) * 2013-01-31 2016-10-05 Thermalblade Llc Système d'essuie-glace chauffé pour véhicule
CN107813791A (zh) * 2016-09-13 2018-03-20 福特全球技术公司 加热和照明的刮水器总成及方法
CN109435903A (zh) * 2018-11-26 2019-03-08 南安市方建机械科技有限公司 一种汽车专用除冰防冻雨刮器
WO2020136082A1 (fr) * 2018-12-27 2020-07-02 Robert Bosch Gmbh Dispositif formant balai d'essuie-glace

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104527606A (zh) * 2015-01-15 2015-04-22 陈学琴 双刮片柔性壁支承圆孔内支撑雨刮胶条

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755499A (en) * 1954-03-22 1956-07-24 Wilburt W Mays Electrically heated windshield wiper
WO1996021588A1 (fr) * 1995-01-11 1996-07-18 Keijo Vornanen Balai d'essuie-glace
DE19745686A1 (de) * 1997-10-16 1999-04-22 Bayerische Motoren Werke Ag Wischerblatt für einen Scheibenwischer
EP1418100A1 (fr) * 2002-11-08 2004-05-12 Peugeot Citroen Automobiles S.A. Raclette d'essuyage pour balai d'essuie-glace de véhicule automobile
US6742217B1 (en) * 2002-12-10 2004-06-01 Richard Elkins Readily replaceable automotive wiper blade

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755499A (en) * 1954-03-22 1956-07-24 Wilburt W Mays Electrically heated windshield wiper
WO1996021588A1 (fr) * 1995-01-11 1996-07-18 Keijo Vornanen Balai d'essuie-glace
DE19745686A1 (de) * 1997-10-16 1999-04-22 Bayerische Motoren Werke Ag Wischerblatt für einen Scheibenwischer
EP1418100A1 (fr) * 2002-11-08 2004-05-12 Peugeot Citroen Automobiles S.A. Raclette d'essuyage pour balai d'essuie-glace de véhicule automobile
US6742217B1 (en) * 2002-12-10 2004-06-01 Richard Elkins Readily replaceable automotive wiper blade

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2712775A3 (fr) * 2008-03-26 2014-08-27 Valeo Systèmes d'Essuyage Balai d'essuyage pour vitres de vehicule
US9393935B2 (en) * 2009-03-25 2016-07-19 Valco Systemes d'Essuyage Wiper blade
US20110302738A1 (en) * 2009-03-25 2011-12-15 Valeo Systemes D'essuyage Wiper blade
US9580049B2 (en) 2009-07-08 2017-02-28 Valeo Systèms d'Essuyage Flat wiper blade
WO2011003613A1 (fr) * 2009-07-08 2011-01-13 Valeo Systèmes D' Essuyage Balai d'essuie-glace plat
EP2951064A4 (fr) * 2013-01-31 2016-10-05 Thermalblade Llc Système d'essuie-glace chauffé pour véhicule
FR3013287A1 (fr) * 2013-11-19 2015-05-22 Valeo Systemes Dessuyage Systeme d'essuyage de vitre de vehicule muni d'un indicateur de chauffe
JP2015098319A (ja) * 2013-11-19 2015-05-28 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 加熱インジケータの設けられた車両の窓用ワイパーシステム
CN104648327A (zh) * 2013-11-19 2015-05-27 法雷奥系统公司 设置有加热指示器的车辆车窗擦拭器系统
EP2873569A1 (fr) * 2013-11-19 2015-05-20 Valeo Systèmes d'Essuyage Système d'essuyage de vitre de véhicule muni d'un indicateur de chauffe
CN107813791A (zh) * 2016-09-13 2018-03-20 福特全球技术公司 加热和照明的刮水器总成及方法
CN107813791B (zh) * 2016-09-13 2023-02-21 福特全球技术公司 加热和照明的刮水器总成及方法
CN109435903A (zh) * 2018-11-26 2019-03-08 南安市方建机械科技有限公司 一种汽车专用除冰防冻雨刮器
CN109435903B (zh) * 2018-11-26 2020-06-16 瑞安市卓宏汽车电机有限公司 一种汽车专用除冰防冻雨刮器
WO2020136082A1 (fr) * 2018-12-27 2020-07-02 Robert Bosch Gmbh Dispositif formant balai d'essuie-glace
CN113242821A (zh) * 2018-12-27 2021-08-10 罗伯特·博世有限公司 刮水片装置

Also Published As

Publication number Publication date
FI120968B (fi) 2010-05-31
FI20075099A (fi) 2008-08-14
FI20075099A0 (fi) 2007-02-13

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