CN108386464A - Device for absorption brake dust particles and the motor vehicles with disk brake - Google Patents

Device for absorption brake dust particles and the motor vehicles with disk brake Download PDF

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Publication number
CN108386464A
CN108386464A CN201810076916.3A CN201810076916A CN108386464A CN 108386464 A CN108386464 A CN 108386464A CN 201810076916 A CN201810076916 A CN 201810076916A CN 108386464 A CN108386464 A CN 108386464A
Authority
CN
China
Prior art keywords
brake
particle
air
channel
flow
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.)
Pending
Application number
CN201810076916.3A
Other languages
Chinese (zh)
Inventor
马塞尔·马西森
迈克·布罗达
马克西米兰·朱利叶斯·恩戈尔克
托马斯·巴拉诺夫斯基
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of CN108386464A publication Critical patent/CN108386464A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/0031Devices for retaining friction material debris, e.g. dust collectors or filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T5/00Vehicle modifications to facilitate cooling of brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D65/12Discs; Drums for disc brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02Brakes 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
    • F16D55/22Brakes 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

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

Abstract

The device (2) of the brake dust particles generated on friction surface (11) during the braking process that the present invention relates to a kind of for absorbing motor vehicles (21) between the brake disc (3) and at least one brake block (10) of disk brake (2), device (2) has the particle collecting cells (6) being arranged in the region of disk brake (2) and the channel (5) for particle to be transported to particle collecting cells (6) by air-flow from friction surface (11), wherein particle collecting cells (6) are formed so that realizes that particle is detached with air-flow wherein, wherein particle collecting cells (6) have the cyclone separator structure for detaching particle from air-flow.The invention further relates to a kind of motor vehicles with disk brake.

Description

For the device of absorption brake dust particles and with the motor-driven of disk brake Vehicle
Technical field
The present invention relates to a kind of with feature described in claim 1 preamble for absorbing in braking process in disc type The device of the brake dust particles generated on friction surface between the brake disc of brake and at least one brake block, the dress It sets with the particle collecting cells being arranged in the region of disk brake and for by air-flow that particle is defeated from friction surface It is sent to the channel of particle collecting cells, wherein particle collecting cells, which are formed so that, realizes that particle is detached from air-flow.However, of the invention Further relate to a kind of motor vehicles with disk brake.
Background technology
In order to make motor vehicles slow down, brake is provided in the region of the wheel of motor vehicles.Except drum brake Outside, disk brake is also commonly used.Disk brake works according to tribology principle, and by being fixed on hub for vehicle wheel Brake disc and the brake block that is fixed on caliper make vehicle slow down.Brake block surrounds the one of brake disc by caliper Part engages to be pressed against on the disc brake rotor, and makes vehicle deceleration.This braking system is commonly known, therefore no longer in detail It explains.By the way that brake block to be pressed against on the disc brake rotor, the brake dust particles on brake block and brake disc can be wiped.
Disk brake is open architecture, therefore the brake dust particles wiped during motor vehicles slow down are discharged into In surrounding air.On the one hand, since particle is mainly deposited on around disk brake on immediate rim for automobile wheel, and due to The brown of particle to the appearance of black and it is aesthetically undesirable, therefore without hope there is these discharge particle.Sometimes, hot system The burning of dynamic device dust particles also results in wheel rim (especially on the wheel rim of the light-weight metal) damage for being not intended to see.It is another Aspect, brake dust particles can cause the thin dustiness of environment to contaminate, this is also to be avoided brake dust particles being discharged into environment In reason.
Especially for deposit ugly (especially on light-weight metal wheel rim) on rim for automobile wheel, it is known that a variety of Mode is come for making brake dust particles far from rim for automobile wheel and/or its reduction being made to enter in surrounding air.Have in principle Four kinds of modes of different technology categories can be divided by having:1) it is based on screening, 2) blows down particle, 3) suction unit extraction, 4) receipts Collect particle.
198 46 887 A1 of DE disclose a kind of example for collecting particle.Where it is proposed dust is arranged in brake block Channel, the dust passage are connected in brake block with the dust storage chamber for being also disposed at the brake dust that braking collection in the block is wiped It connects.
Another example for collecting particle is disclosed in 8,926,738 B2 of US.It is disclosed that a kind of in particle The method that particle is collected in collecting chamber, wherein particle are transported to room by channel from friction surface.By various modes (such as it is logical Cross the filtering material based on cellulose being arranged in room or pass through magnetic field) carry out the collection of particle.
6,592,642 B2 of US propose a kind of dust collector plate for collecting particle, which sets It is set to close to the friction surface between brake disc and brake block, to collect brake dust particles, wherein collector plate is connected to The charging circuit of electrostatic charging is carried out to collector plate.
JP11-311272 A2 propose that the brake dust catcher being arranged on brake block, the brake dust catcher are produced in particle Particle caused by directly being adsorbed after life.Similar device is disclosed in US 8,025,132.Herein, it is proposed that in wheel area Contaminants collector is set in domain, it in addition to this should also absorption brake dust particles during driving.
42 40 873 A1 of DE disclose a kind of for drawing system by suction nozzle by suction unit in the place for generating particle The device of dynamic device dust particles.Suction nozzle is connected to exhauster(-tor by aspiration, be provided on exhauster(-tor for collect and Store the filter unit of particle.
1 942 287 A1 of EP are disclosed is used for absorption brake dust by means of the device drawn Another device of particle.In the case of the device, the vacuum for causing air-flow is generated by means of Venturi tube.Dust collection fills The particle set is supplied by air-flow, and wherein dust collecting includes filter element, and the vacuum action of Venturi tube is in mistake In the clean side of filtering element.
8,701,844 B2 of US disclose a kind of device for absorbing the brake dust particles of disk brake, should Disk brake has the caliper of brake disc and the part engagement around brake disc.The known devices have also around braking A part for disk forms the shell of engagement, and the wherein shell is arranged adjacent to caliper.It is provided in shell with multiple brakings The brake dust holding meanss of dust inlet.It is provided separately with brake dust entrance in addition, brake dust holding meanss have Multiple air intakes.Particle portion's removal from the inside by scraper element by adherency on the disc brake rotor, and centrifugal force drives The dynamic brake dust removed is radially outward moved into the air-flow entered by side air entrance.By brake dust particles Then the air-flow of pollution is entered in the channel of guide vane formation by brake dust entrance, and be drained into brake dust collection Room, wherein air velocity reduce the deposition for the particle for causing to carry suddenly.The air having flowed into can be by being covered by filter The air outlet slit of lid leaves room again, filter by permission air and water by but blocking particle by material be made.
Device has as a drawback that disclosed in 8,701,844 B2 of US:Device tool with various openings, scraper plate and blade There is extremely complex structure, and be additionally provided with very big surface region, particle can deposit on the area, to need It can be difficult to clean the device in the case of removing particle again from the device.
Invention content
Technical problem to be solved by the invention is to provide a kind of device of absorption brake dust, apparatus structure letters It is single, convenient for cleaning.
The purpose is realized by the device of the feature with claim 1.It should be noted that single in the following description The feature solely quoted and measure can be combined with each other in a manner of any desired, technically convenient, and highlight this hair Bright further construction.In addition, being especially described in conjunction with the accompanying the feature and explanation of the present invention.
What is proposed is used to absorb the brake disc in braking process in disk brake and between at least one brake block The device of the brake dust particles generated on friction surface has the particle collecting cells being arranged in the region of disk brake With the channel for particle to be transported to particle collecting cells by air-flow from friction surface, wherein particle collecting cells are formed so that Wherein realizing that particle is detached from air-flow.Arranged according to the present invention to be, particle collecting cells have for the separation from air-flow The cyclone separator structure of grain.
In the present case it is known that in cyclone separator (separator using centrifugal force can also be referred to as) for dividing In the case of from process, as is known in the art, can also in the case of not complicated additional structure measure and Realize the separation of particle in a very simplified manner.
Cyclone separator is generally made of inlet cylinders, and gas/particle mixture is by being tangentially blown into the inlet cylinders And form circular path.When necessary, inlet cylinders and cone are neighbouring.Cone is tangentially blown into region from it to its cone point The direction at end is tapered, this can form transition in collected in drums region.Collecting zone is closed, and should be opened when necessary.By In the rotary speed of air-flow, especially because adjacent cone is tapered, particle is thrown whirlwind point due to centrifugal force From on the wall of device, and decelerating to makes it from being detached in air-flow and flow downwardly into the degree in collection vessel.Corresponding heavier Particle in the case of, cone is not indispensable.In addition, setting is tangentially being blown into the inclination outstanding of center in region Pipe, that is, the air that being projected into inlet cylinders and may be projected into cone, and clean are arranged again by dip tube Go out.
In order to generate the air-flow needed for cyclone separator, the channel of a construction according to the present invention, which has, to be arranged in channel In for conveying at least one air intake of particle so that the exterior section of air intake is directed toward the traveling side of motor vehicles To, and interior section is directed toward the opposed orientation in cyclone separator structure direction.The advantages of construction according to the present invention is, energy The air formed during enough being travelled in a simple manner with motor vehicles flows to generate particulate transportation to particle collecting cells institute The air-flow that needs guides this by being aligned for the air intake according to the present invention into inside device and cyclone separator structure Air flows.
One according to the present invention preferred further construction is set as, and air intake is formed as serving as aspirator, passes through Particle is drawn into from the friction surface in cyclone separator structure by aspirator.According to the present invention, the air-breathing of air intake is imitated Fruit can be based on Venturi effect.
Can for example Venturi effect be realized along the tapered air intake in channel interior direction by forming diameter.Such as Cyclone separator is entered by the excessively corresponding air intake of air flow stream to generate air-flow.In the cone diameter of air intake Most narrow place, dynamic pressure is in maximum value and static pressure is in minimum value.Since identical amount flows through everywhere, so when flowing through When tapered diameter, the speed of air-flow proportionally increases with cross section.Meanwhile the pressure in the channel adjacent with circular cone air intake Power declines.Thus non-uniform pressure is generated, this generates vacuum in the region of brake block again.This vacuum causes particle from rubbing It wipes surface and is inhaled into cyclone separator structure.But it is also possible to generate vacuum by external pump.
In braking process, entire friction surface will produce brake dust particles.In order to also can will be in friction surface Center generate particle transport, be further arranged to, at least one particle path be provided in brake block, pass through the particle Particle can be drawn into channel by channel by setting from friction surface in braking particle path in the block.It can be in brake block The additional setting seal lip of surrounding so that seal lip reclines on the disc brake rotor and prevents brake dust in this way Grain leaves the region of brake block.
Brake block is usually arranged by caliper on the disc brake rotor to realize, caliper passes through around the side that brake disc engages Formula is arranged in a part for brake disc.Caliper is formed so that brake block is pressed (such as hydraulically) in brake disc On.A kind of construction according to the present invention is set as the apparatus according to the invention (preferably its channel) fastening and (such as passes through screw And/or bolt) arrive caliper.Gravity is followed, cyclone separator, which should be orientated, makes its powder collection region towards ground Direction.
Also the purpose is realized by a kind of motor vehicles at least one disk brake, wherein according to the present invention Device or its construction is arranged in the region of disk brake and gas handling system is arranged in the front of disk brake, should be into Gas system advantageously directs air flow to the air entry apertures in channel.
Description of the drawings
In dependent claims and below to the description of attached drawing in disclose other advantageous constructions of the present invention.Scheming In:
Fig. 1 shows the side view of the exemplary embodiment of the apparatus according to the invention;
Fig. 2 shows the vertical views according to the exemplary embodiment of Fig. 1;
Fig. 3 shows the side view of the construction of the device according to the present invention being integrated in caliper;
Fig. 4 shows the equidistant diagram of the gas handling system in motor vehicles;
Fig. 5 shows the side view of the gas handling system according to Fig. 4.
In various figures, identical component always reference numeral having the same, thus these components generally also only by Description is primary.
Specific implementation mode
Fig. 1 shows the disk brake 1 of the exemplary embodiment with the apparatus according to the invention 2.Disk brake 1 With brake disc 3 and caliper 4.Sightless brake block 10 is arranged on caliper 4 in Fig. 1.In the case of braking, system Motion block 10 is pressed in brake disc 3.The contact rubbing against one another when brake block 10 is crushed in brake disc of brake disc 3 and brake block 10 Surface be referred to as friction surface 11 in the sense of the present invention.Device 2 is arranged in such a way and is fixed on caliper: The brake dust particle generated on friction surface 11 in braking process is enable to enter device 2.
There is device 2 channel 5 for conveying particle, device 2 to be fixed on caliper 4 by channel 5.Device 2 also has There are the particle collecting cells 6 of 6 form of cyclone separator structure.In channel 5 for generating the air-flow needed for cyclone separator operation It is provided with multiple air intakes 8.The exterior section of air intake 8 is aligned on the travel direction F of vehicle, i.e., is mainly keeping straight on It is advanced forward into air-flow under travel situations.The interior section (not shown) of air intake 8 is right relative to cyclone separator structure 6 Together so that the air-flow given birth to by air stream movable property is directed to by cyclone separator structure 6 by air intake 8.The formation of air intake 8 To make its diameter from outer radial taper inward.This construction generates vacuum on brake block, will be rubbed by the vacuum It wipes in the particle sucking cyclone separator structure 6 generated on surface 11.
Fig. 2 is to overlook the device 2 for showing and being arranged on disk brake 1.It is only shown partially that there is brake disc 3 and system The disk brake 1 of dynamic pincers 4.However, it is possible to see setting and the brake block 10 of the brake block 10 on caliper 4 in fig. 2 Corresponding setting relative to brake disc 3.When brake block 10 is crushed in brake disc, generated between brake block 10 and brake disc 3 Friction surface 11.
Device 2 is arranged by screw 12 on caliper 4 so that channel 5 is adjacent to friction surface 11.It is another in brake block 10 It is provided with particle path 13 outside, the particle generated at the center of friction surface 11 can be transported to channel by particle path 13 5.It is of course also possible to provide other kinds of connection rather than be threadedly coupled.If the connection can be discharged with simple mode Fixation will be then advantageous again, this is conveniently replaceable the device, safeguards the device and/or safeguards braking system.The device It can be subsequently fitted on caliper.
Fig. 3 only shows the device 2 with cyclone separator structure 6 on caliper 4 in side view.According to The cyclone separator structure 6 of the exemplary embodiment includes the inlet cylinders 15 for being connected to channel 5.By the air-flow edge of particle contamination Tangentially enter inlet cylinders 15 and rotate, wherein particle is got rid of the inner wall for arriving to inlet cylinders 15 due to the effect of centrifugal force On, and the conical container for granule 16 adjacent with inlet cylinders 15 is flowed into therefrom.It can also be in the inner wall of inlet cylinders 15 Upper setting baffle, by baffle so that guiding particle along the inner wall of inlet cylinders 15.It is provided in inlet cylinders 15 It is logical peripherad for the tipping tube 17 without particle air-flow to be discharged.
Figure 4 and 5 show the gas handling system 20 of motor vehicles 21 with equidistant diagram and side view.As shown by arrows, air It is guided by the air delivery channel 22 being arranged in the front area of motor vehicles 21, targetedly to be used for cooling disc type Brake 2.As already described, the air intake 8 of device 2 is arranged in such a way relative to gas handling system 20:Make The air-flow can be used for generate cyclone separator structure 6 run required air-flow.
Reference numerals list:
1. disk brake
2. the device of absorption brake dust particles
3. brake disc
4. caliper
5. channel
6. particle collecting cells (the Partikelsammelkammer mit with cyclone separator structure Zyklonstruktur)
8. air intake
10. brake block
11. friction surface
12. screw fastens
13. particle path
15. inlet cylinders
16. container for granule
17. tipping tube (Tauchrohr)
20. air system
21. motor vehicles
22. air delivery channel

Claims (10)

1. in the brake disc (3) of disk brake (2) and at least during braking process of the one kind for absorbing motor vehicles (21) The device (2) of the brake dust particles generated on friction surface (11) between one brake block (10), described device (2) tool Have be arranged particle collecting cells (6) in the region of the disk brake (2) and for by air-flow by the particle from institute The channel (5) that friction surface (11) is transported to the particle collecting cells (6) is stated, wherein the particle collecting cells (6) are formed as making It obtains and realizes that the particle is detached with the air-flow wherein,
It is characterized in that,
The particle collecting cells (6) have the cyclone separator structure for detaching the particle from the air-flow.
2. the apparatus according to claim 1,
It is characterized in that,
The channel (5), which has, to be arranged at least one of the channel (5) air intake (8) so that the air intake (8) exterior section is directed toward the travel direction (F) of the motor vehicles (21), and interior section is directed toward the cyclone separator Structure (6).
3. device according to claim 1 or 2,
It is characterized in that,
The air intake (8) being arranged in the channel (5) is formed as serving as aspirator, will be described by the aspirator Particle is drawn into from the friction surface (11) in the cyclone separator structure (6).
4. device according to claim 3,
It is characterized in that,
The swabbing action of the air intake (8) is based on Venturi effect.
5. device according to claim 3 or 4,
It is characterized in that,
Internal direction of the diameter of the air intake (8) along the channel is tapered.
6. device according to any one of the preceding claims,
It is characterized in that,
It is provided in the brake block (10) for the particle to be passed through the brake block from the friction surface (11) (10) it is transported at least one particle path (13) in the channel (5).
7. device according to any one of the preceding claims,
It is characterized in that,
It is provided with seal lip as follows around the brake block (10):So that the seal lip stick on it is described In brake disc (3).
8. device according to any one of the preceding claims,
It is characterized in that,
The channel (5) is fastened on the caliper (4).
9. device according to any one of the preceding claims,
It is characterized in that,
The channel (5) is fastened on by screw (12) and/or bolt on the caliper (4).
10. one kind having the motor vehicles (21) of at least one disk brake (1),
It is characterized in that,
Device according to any one of the preceding claims (2) is provided in the region of the disk brake (1), and It is provided with gas handling system (20) in front of the disk brake (1), is transported to air-flow by the gas handling system (20) The air intake (8) of the channel (5).
CN201810076916.3A 2017-02-03 2018-01-26 Device for absorption brake dust particles and the motor vehicles with disk brake Pending CN108386464A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017201736.8A DE102017201736A1 (en) 2017-02-03 2017-02-03 Device for holding brake dust particles and motor vehicle with a disc brake
DE102017201736.8 2017-02-03

Publications (1)

Publication Number Publication Date
CN108386464A true CN108386464A (en) 2018-08-10

Family

ID=62909805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810076916.3A Pending CN108386464A (en) 2017-02-03 2018-01-26 Device for absorption brake dust particles and the motor vehicles with disk brake

Country Status (2)

Country Link
CN (1) CN108386464A (en)
DE (1) DE102017201736A1 (en)

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CN109245426A (en) * 2018-10-23 2019-01-18 珠海格力电器股份有限公司 Brake, motor
CN111271394A (en) * 2020-01-21 2020-06-12 合肥工业大学 Device for collecting brake dust of vehicle disc brake
CN112789426A (en) * 2018-10-12 2021-05-11 塔拉诺技术公司 Brake pad for collecting particles and dust
CN114127434A (en) * 2019-07-16 2022-03-01 沃尔沃卡车集团 Brake dust catcher for drum brake
CN114207307A (en) * 2019-07-31 2022-03-18 辉门汽车零部件有限责任公司 Vehicle brake component for collecting brake dust

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DE102019133772B4 (en) * 2019-12-10 2021-08-12 Ostfalia Hochschule Für Angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel Vehicle fine dust collector and vehicle
DE102020216507A1 (en) 2020-12-22 2022-06-23 Psa Automobiles Sa Magnetic tape for collecting brake wear particles on wheel rims
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CN112789426A (en) * 2018-10-12 2021-05-11 塔拉诺技术公司 Brake pad for collecting particles and dust
CN112789426B (en) * 2018-10-12 2023-02-17 塔拉诺技术公司 Brake pad for collecting particles and dust
CN109245426A (en) * 2018-10-23 2019-01-18 珠海格力电器股份有限公司 Brake, motor
CN109245426B (en) * 2018-10-23 2019-09-03 珠海格力电器股份有限公司 Brake, motor
CN114127434A (en) * 2019-07-16 2022-03-01 沃尔沃卡车集团 Brake dust catcher for drum brake
CN114127434B (en) * 2019-07-16 2024-03-26 沃尔沃卡车集团 Brake dust catcher for drum brake
CN114207307A (en) * 2019-07-31 2022-03-18 辉门汽车零部件有限责任公司 Vehicle brake component for collecting brake dust
CN111271394A (en) * 2020-01-21 2020-06-12 合肥工业大学 Device for collecting brake dust of vehicle disc brake
CN111271394B (en) * 2020-01-21 2021-06-01 合肥工业大学 Device for collecting brake dust of vehicle disc brake

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