FR2815099A1 - Disk brake for motor vehicle has closed casing fitted over frictional areas which carries pipe at top which has air inlet connected upstream and filter downstream - Google Patents

Disk brake for motor vehicle has closed casing fitted over frictional areas which carries pipe at top which has air inlet connected upstream and filter downstream Download PDF

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Publication number
FR2815099A1
FR2815099A1 FR0012950A FR0012950A FR2815099A1 FR 2815099 A1 FR2815099 A1 FR 2815099A1 FR 0012950 A FR0012950 A FR 0012950A FR 0012950 A FR0012950 A FR 0012950A FR 2815099 A1 FR2815099 A1 FR 2815099A1
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France
Prior art keywords
disc
casing
disc brake
brake according
air outlet
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Granted
Application number
FR0012950A
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French (fr)
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FR2815099B1 (en
Inventor
Huy Eric Francois Deland
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.)
PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0012950A priority Critical patent/FR2815099B1/en
Publication of FR2815099A1 publication Critical patent/FR2815099A1/en
Application granted granted Critical
Publication of FR2815099B1 publication Critical patent/FR2815099B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/0031—Devices for retaining friction material debris, e.g. dust collectors or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0037—Protective covers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The disk brake for a motor vehicle has a closed casing (3) fitted over the frictional areas which carries a pipe (4) at the top. This is has an air inlet (61) connected upstream and a filter (5) downstream.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

La présente invention concerne, de façon générale, le domaine des freins de véhicules à moteur, et notamment des véhicules automobiles.  The present invention relates, in general, to the field of motor vehicle brakes, and in particular motor vehicles.

Plus précisément, l'invention concerne un frein à disque du type de ceux qui comprennent un disque tournant suivant un premier sens de rotation pour une marche avant du véhicule, un étrier doté d'un vérin et chevauchant le disque, et des plaquettes de frein sélectivement appliquées par le vérin sur des pistes de friction respectives du disque
Les freins à disque sont bien connus de l'homme de l'art et utilisés depuis des décennies. More specifically, the invention relates to a disc brake of the type which includes a disc rotating in a first direction of rotation for forward movement of the vehicle, a caliper provided with a jack and overlapping the disc, and brake pads. selectively applied by the jack on respective friction tracks of the disc
Disc brakes are well known to those skilled in the art and have been used for decades.

Si ces freins sont devenus indispensables et rendent d'immenses services, ils continuent à ce jour de présenter l'inconvénient de produire, par l'usure des plaquettes de freins, des poussières indésirables qui sont dispersées autour du véhicule et polluent l'environnement et également les jantes du véhicule.  If these brakes have become essential and render immense service, they continue to this day to present the disadvantage of producing, by the wear of the brake pads, unwanted dust which is dispersed around the vehicle and pollute the environment and also the rims of the vehicle.

L'invention, qui résulte de l'identification de ce problème, a pour but d'obvier à une telle pollution.  The invention, which results from the identification of this problem, aims to obviate such pollution.

A cette fin, le frein à disque de l'invention, par ailleurs conforme à la définition qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce qu'il comprend en outre un carter, un conduit, un filtre et des moyens de dépression pneumatique, en ce que le carter enveloppe l'étrier, est percé d'une pluralité d'entrées d'air bordant l'étrier, et comporte une sortie d'air, en ce que le conduit est branché sur la sortie d'air du carter qu'il relie au filtre, et en ce que les moyens de dépression sont reliés à la sortie d'air du carter pour créer une dépression dans ce carter.  To this end, the disc brake of the invention, furthermore in accordance with the definition given in the preamble above, is essentially characterized in that it further comprises a casing, a conduit, a filter and pneumatic vacuum means, in that the casing envelops the stirrup, is pierced with a plurality of air inlets bordering the stirrup, and has an air outlet, in that the duct is connected to the outlet of air from the casing which it connects to the filter, and in that the vacuum means are connected to the air outlet of the casing to create a vacuum in this casing.

Selon le mode de réalisation préféré de l'invention, les moyens de dépression comprennent une source de surpression raccordée au conduit pour constituer un injecteur à effet Venturi.  According to the preferred embodiment of the invention, the vacuum means comprise a source of overpressure connected to the duct to constitute a Venturi effect injector.

<Desc/Clms Page number 2> <Desc / Clms Page number 2>

Dans ce cas, la source de surpression est par exemple constituée par une bouche d'air alimentée en surpression par déplacement du véhicule.  In this case, the overpressure source is for example constituted by an air outlet supplied with overpressure by movement of the vehicle.

Néanmoins, il est également possible de prévoir que les moyens de dépression comprennent une pompe à vide, en plus de l'injecteur à effet Venturi ou à la place de ce dernier.  However, it is also possible to provide that the vacuum means comprise a vacuum pump, in addition to the Venturi effect injector or in place of the latter.

De préférence, le carter enveloppe également un secteur des pistes de friction du disque en aval de l'étrier dans le premier sens de rotation du disque.  Preferably, the casing also envelops a sector of the friction tracks of the disc downstream of the caliper in the first direction of rotation of the disc.

En outre, le carter présente avantageusement deux lèvres d'aspiration dont chacune est adjacente à une face correspondante du disque.  In addition, the casing advantageously has two suction lips, each of which is adjacent to a corresponding face of the disc.

Dans une réalisation industrielle de l'invention, le carter est par exemple intégralement ou partiellement constitué d'une tôle métallique découpée et pliée.  In an industrial embodiment of the invention, the casing is for example entirely or partially made of a cut and folded metal sheet.

D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, parmi lesquels : - La Figure 1 est une vue en perspective d'un frein à disque connu ; - La Figure 2 est une vue de face d'un frein à disque conforme à l'invention ; - La Figure 3 est une vue en coupe schématique du frein illustré à la figure 2 et observé suivant l'incidence définie par les flèches III-III de la figure 2.  Other characteristics and advantages of the invention will emerge clearly from the description which is given below, by way of indication and in no way limiting, with reference to the appended drawings, among which: - Figure 1 is a perspective view of a known disc brake; - Figure 2 is a front view of a disc brake according to the invention; - Figure 3 is a schematic sectional view of the brake illustrated in Figure 2 and observed according to the incidence defined by arrows III-III of Figure 2.

Comme annoncé précédemment, l'invention concerne un frein à disque pour véhicule à moteur, comprenant un disque 1, un étrier 2, et des plaquettes de frein 21 et 22 (visible sur la figure 3)
Le disque 1 est solidaire en rotation d'une roue du véhicule et tourne suivant un sens de rotation direct R lorsque le véhicule progresse en marche avant. As previously announced, the invention relates to a disc brake for a motor vehicle, comprising a disc 1, a caliper 2, and brake pads 21 and 22 (visible in FIG. 3)
The disc 1 is integral in rotation with a wheel of the vehicle and rotates in a direct direction of rotation R when the vehicle advances in forward gear.

<Desc/Clms Page number 3> <Desc / Clms Page number 3>

L'étrier 2 est doté d'un vérin 20, en général actionné par un fluide hydraulique sous pression, et chevauche le disque 1.  The stirrup 2 is provided with a jack 20, generally actuated by a hydraulic fluid under pressure, and overlaps the disc 1.

Les plaquettes de frein 21 et 22 sont maintenues par l'étrier 2 en regard des faces respectives la et lb du disque 1 et peuvent être appliquées à volonté, par actionnement du vérin 20, sur des pistes de friction respectives 11 et 12 du disque 1.  The brake pads 21 and 22 are held by the caliper 2 opposite the respective faces 1a and 1b of the disc 1 and can be applied as desired, by actuation of the jack 20, on respective friction tracks 11 and 12 of the disc 1 .

Dans ce contexte connu, le frein de l'invention se distingue par le fait qu'il comprend en outre un carter 3, un conduit 4, un filtre 5 et des moyens de dépression pneumatique 61 et/ou 62, qui seront détaillés ultérieurement.  In this known context, the brake of the invention is distinguished by the fact that it further comprises a casing 3, a duct 4, a filter 5 and pneumatic vacuum means 61 and / or 62, which will be detailed later.

Comme le montrent les figures 2 et 3, le carter 3 enveloppe l'étrier 2, est percé d'une pluralité d'entrées d'air 31 périphériques qui bordent l'étrier, et comporte une sortie d'air 32.  As shown in FIGS. 2 and 3, the casing 3 envelops the stirrup 2, is pierced with a plurality of peripheral air inlets 31 which border the stirrup, and has an air outlet 32.

Par ailleurs, le conduit 4 est branché sur la sortie d'air 32 du carter, qu'il relie au filtre 5, et les moyens de dépression 61 et/ou 62 sont reliés à la sortie d'air 32 du carter pour créer une dépression dans ce carter 3.  Furthermore, the duct 4 is connected to the air outlet 32 of the casing, which it connects to the filter 5, and the vacuum means 61 and / or 62 are connected to the air outlet 32 of the casing to create a vacuum in this housing 3.

Comme le montre en traits pleins la figure 2, les moyens de dépression comprennent de préférence une source de surpression 61, qui est par exemple constituée par une bouche d'air alimentée en surpression par déplacement du véhicule, et qui est raccordée au conduit 4 pour constituer un injecteur à effet Venturi.  As shown in solid lines in FIG. 2, the vacuum means preferably comprise a source of overpressure 61, which is for example constituted by an air outlet supplied with overpressure by movement of the vehicle, and which is connected to conduit 4 for constitute a Venturi effect injector.

Plus précisément, la bouche d'air 61 est reliée au conduit 4 par un raccord 41 suivant un angle qui contraint l'air en surpression venant de la bouche 61 à souffler vers le filtre 5, entraînant donc l'air contenu dans le carter 3 qui est ainsi mis en dépression.  More specifically, the air outlet 61 is connected to the duct 4 by a connector 41 at an angle which forces the overpressure air coming from the mouth 61 to blow towards the filter 5, thus causing the air contained in the casing 3 which is thus put in depression.

Le filtre 5 récupère les poussières dispersées lors du freinage du véhicule. Ces poussières peuvent être récupérées dans un réceptable associé au filtre et conçu pour pouvoir être vidé régulièrement.  The filter 5 recovers the dust dispersed during braking of the vehicle. This dust can be collected in a receptacle associated with the filter and designed to be emptied regularly.

<Desc/Clms Page number 4> <Desc / Clms Page number 4>

En variante, les moyens de dépression peuvent comprendre une pompe à vide 62 qui est utilisée soit en remplacement de la source de surpression 61, soit en combinaison avec cette source.  Alternatively, the vacuum means may include a vacuum pump 62 which is used either to replace the overpressure source 61, or in combination with this source.

Comme le montre mieux la figure 2, le carter 3 peut présenter une amplitude angulaire qui lui permet d'envelopper un secteur S des pistes de friction 11 et 12 du disque 1, en aval de l'étrier 2 dans le sens de rotation R du disque, de sorte que le disque en sortie d'étrier puisse subir un refroidissement par le flux d'air entrant dans le carter 3.  As best shown in Figure 2, the housing 3 may have an angular amplitude which allows it to wrap a sector S of the friction tracks 11 and 12 of the disc 1, downstream of the caliper 2 in the direction of rotation R of the disc, so that the disc at the caliper outlet can be cooled by the air flow entering the casing 3.

Le carter 3 (figure 3) peut en outre présenter deux lèvres d'aspiration 33 et 34, dont chacune est disposée à proximité immédiate d'une face correspondante la et lb du disque 1, de manière à donner au flux d'air entrant dans le carter une vitesse relativement élevée, et à optimiser l'effet de refroidissement du disque obtenu par ce flux d'air.  The casing 3 (FIG. 3) may also have two suction lips 33 and 34, each of which is disposed in the immediate vicinity of a corresponding face 1a and 1b of the disc 1, so as to give the flow of air entering the housing at a relatively high speed, and to optimize the cooling effect of the disc obtained by this air flow.

Selon un mode de réalisation aisé de l'invention, le carter 3 peut être constitué d'une tôle métallique découpée et pliée.  According to an easy embodiment of the invention, the casing 3 can be made of a cut and folded metal sheet.

Néanmoins, bien que l'utilisation de métal favorise la dissipation d'énergie thermique, le carter 3 peut aussi, sous réserve de bénéficier d'une ventilation satisfaisante, être réalisé en un matériau polymère.  However, although the use of metal promotes the dissipation of thermal energy, the casing 3 can also, provided that there is satisfactory ventilation, be made of a polymer material.

L'invention peut s'appliquer à tous types de freins à disques, y compris aux freins à disques intégrant un frein à tambour. The invention can be applied to all types of disc brakes, including disc brakes incorporating a drum brake.

Claims (7)

REVENDICATIONS 1. Frein à disque pour véhicule à moteur, comprenant un disque (1) tournant suivant un premier sens de rotation (R) pour une marche avant du véhicule, un étrier (2) doté d'un vérin (20) et chevauchant le disque (1), et des plaquettes de frein (21,22) sélectivement appliquées par le vérin sur des pistes de friction respectives (11,12) du disque (1), caractérisé en ce qu'il comprend en outre un carter (3), un conduit (4), un filtre (5) et des moyens de dépression pneumatique (61, 62), en ce que le carter (3) enveloppe l'étrier (2), est percé d'une pluralité d'entrées d'air (31) bordant l'étrier, et comporte une sortie d'air (32), en ce que le conduit (4) est branché sur la sortie d'air (32) du carter qu'il relie au filtre (5), et en ce que les moyens de dépression (61,62) sont reliés à la sortie d'air (32) du carter pour créer une dépression dans ce carter (3).  1. Disc brake for a motor vehicle, comprising a disc (1) rotating in a first direction of rotation (R) for forward movement of the vehicle, a caliper (2) provided with a jack (20) and overlapping the disc (1), and brake pads (21,22) selectively applied by the jack on respective friction tracks (11,12) of the disc (1), characterized in that it further comprises a casing (3) , a conduit (4), a filter (5) and pneumatic vacuum means (61, 62), in that the casing (3) envelops the stirrup (2), is pierced with a plurality of entries d air (31) bordering the stirrup, and has an air outlet (32), in that the duct (4) is connected to the air outlet (32) of the casing which it connects to the filter (5 ), and in that the vacuum means (61, 62) are connected to the air outlet (32) of the casing to create a vacuum in this casing (3). 2. Frein à disque suivant la revendication 1, caractérisé en ce que les moyens de dépression comprennent une source de surpression (61) raccordée au conduit (4) pour constituer un injecteur à effet Venturi.  2. Disc brake according to claim 1, characterized in that the vacuum means comprise a source of overpressure (61) connected to the conduit (4) to constitute a Venturi effect injector. 3. Frein à disque suivant la revendication 2, caractérisé en ce que la source de surpression (61) est constituée par une bouche d'air alimentée en surpression par déplacement du véhicule.  3. Disc brake according to claim 2, characterized in that the overpressure source (61) consists of an air outlet supplied with overpressure by movement of the vehicle. 4. Frein à disque suivant l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de dépression comprennent une pompe à vide (62).  4. Disc brake according to any one of the preceding claims, characterized in that the vacuum means comprise a vacuum pump (62). 5. Frein à disque suivant l'une quelconque des revendications précédentes, caractérisé en ce que le carter (3) enveloppe également un secteur (S) des pistes de friction (11,12) du disque (1) en aval de l'étrier (2) dans le premier sens de rotation du disque.  5. Disc brake according to any one of the preceding claims, characterized in that the casing (3) also envelops a sector (S) of the friction tracks (11,12) of the disc (1) downstream of the caliper (2) in the first direction of rotation of the disc. 6. Frein à disque suivant l'une quelconque des revendications précédentes, caractérisé en ce que le carter (3) présente deux lèvres d'aspiration (33,34)  6. Disc brake according to any one of the preceding claims, characterized in that the casing (3) has two suction lips (33,34) <Desc/Clms Page number 6><Desc / Clms Page number 6> dont chacune est adjacente à une face (la, lb) correspondante du disque.  each of which is adjacent to a corresponding face (la, lb) of the disc. 7. Frein à disque suivant l'une quelconque des revendications précédentes, caractérisé en ce que le carter (3) est essentiellement constitué d'une tôle métallique découpée et pliée. 7. Disc brake according to any one of the preceding claims, characterized in that the casing (3) consists essentially of a cut and folded metal sheet.
FR0012950A 2000-10-10 2000-10-10 DUST-FREE DISC BRAKE Expired - Fee Related FR2815099B1 (en)

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Application Number Priority Date Filing Date Title
FR0012950A FR2815099B1 (en) 2000-10-10 2000-10-10 DUST-FREE DISC BRAKE

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FR0012950A FR2815099B1 (en) 2000-10-10 2000-10-10 DUST-FREE DISC BRAKE

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Cited By (25)

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EP1776170A2 (en) * 2004-03-09 2007-04-25 3K Technologies, Inc. System and method for removing brake dust and other pollutants
WO2008052805A1 (en) * 2006-11-03 2008-05-08 Konstantinos Tsiberidis Brake dust collecting device
DE202007000244U1 (en) * 2007-01-08 2008-05-21 Mann+Hummel Gmbh Brake dust absorbing device for motor vehicles
WO2008083884A1 (en) * 2007-01-08 2008-07-17 Mann+Hummel Gmbh Brake dust collecting device for motor vehicles
WO2008104435A1 (en) * 2007-02-28 2008-09-04 Continental Automotive Gmbh Transporting away of brake dust
WO2012076476A1 (en) * 2010-12-09 2012-06-14 Kt Projektentwicklungs-Gmbh Collecting device for brake dust
WO2013084188A1 (en) * 2011-12-06 2013-06-13 Mennie Trevor Michael Brake pad assembly
US20140116824A1 (en) * 2012-10-26 2014-05-01 Przemyslowy Instytut Motoryzacji Apparatus for reducing dust emissions generated during braking of a vehicle equipped with a disc brake and a brake system comprising such an apparatus
DE102008029504B4 (en) * 2008-06-19 2015-04-09 Martin Matthes Brake dust extraction system
CN105148627A (en) * 2014-06-24 2015-12-16 韩清源 Dust collecting device for vehicle wheels
FR3030659A1 (en) * 2014-12-23 2016-06-24 Foundation Brakes France BRAKE COMPRISING A DEVICE, DEVICE AND METHOD FOR COLLECTING DUST EMITTED BY FRICTION OF A VENTURI-EFFECT DISC BRAKE
WO2016102670A1 (en) * 2014-12-23 2016-06-30 Foundation Brakes France Brake provided with a device, device and method for collecting dust caused by the friction of a disc brake
FR3034831A1 (en) * 2015-04-10 2016-10-14 Romuald Jean Jacques Vigier ANTI-POLLUTION DEVICE FOR DISC BRAKE
FR3071574A1 (en) * 2017-09-26 2019-03-29 Psa Automobiles Sa DISC BRAKE WITH DUST RECOVERY SYSTEM
EP3369959A4 (en) * 2015-10-30 2019-06-19 Akebono Brake Industry Co., Ltd. Disc-brake device
WO2019214986A1 (en) * 2018-05-09 2019-11-14 Bayerische Motoren Werke Aktiengesellschaft Method and control unit for regenerating a brake dust filter
DE102018004895A1 (en) * 2018-06-16 2019-12-19 Psa Automobiles Sa Drum brake and motor vehicle
DE102019133794A1 (en) * 2019-12-10 2021-06-10 Ostfalia Hochschule Für Angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel Vehicle fine dust collector and vehicle
EP3995715A1 (en) * 2020-11-10 2022-05-11 Akwel Device and depollutant system for recovering braking dust particles
AT524701A1 (en) * 2021-01-29 2022-08-15 Avl List Gmbh Measuring rim for collecting brake dust
WO2023057267A1 (en) * 2021-10-07 2023-04-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Disc brake and brake lining for a disc brake
WO2023110264A1 (en) * 2021-12-15 2023-06-22 Mann+Hummel Gmbh Filter system in a vehicle
EP4283155A1 (en) * 2022-05-25 2023-11-29 ZF CV Systems Europe BV Air guiding arrangement comprising a filter for a disc brake, and disc brake comprising a respective air guiding arrangement
US11892045B2 (en) 2018-06-18 2024-02-06 Foundation Brakes France Sas Method for separating friction means from a braking member
WO2024081988A1 (en) * 2022-10-21 2024-04-25 Avl List Gmbh Device for measuring brake emissions

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CN111503182A (en) * 2020-04-26 2020-08-07 上海第二工业大学 Negative pressure cooling environmental protection brake block and negative pressure environmental protection braking system

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Cited By (36)

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Publication number Priority date Publication date Assignee Title
EP1776170A4 (en) * 2004-03-09 2008-06-18 3K Technologies Inc System and method for removing brake dust and other pollutants
EP1776170A2 (en) * 2004-03-09 2007-04-25 3K Technologies, Inc. System and method for removing brake dust and other pollutants
US8701844B2 (en) 2006-11-03 2014-04-22 Kt Projektentwicklungs-Gmbh Brake dust collecting device
WO2008052805A1 (en) * 2006-11-03 2008-05-08 Konstantinos Tsiberidis Brake dust collecting device
DE102006051972A1 (en) * 2006-11-03 2008-05-08 Konstantinos Tsiberidis Brake dust collector
WO2008083884A1 (en) * 2007-01-08 2008-07-17 Mann+Hummel Gmbh Brake dust collecting device for motor vehicles
DE202007000244U1 (en) * 2007-01-08 2008-05-21 Mann+Hummel Gmbh Brake dust absorbing device for motor vehicles
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