CN107701622B - The enhanced drum brake of Temperature Control Type - Google Patents
The enhanced drum brake of Temperature Control Type Download PDFInfo
- Publication number
- CN107701622B CN107701622B CN201710648398.3A CN201710648398A CN107701622B CN 107701622 B CN107701622 B CN 107701622B CN 201710648398 A CN201710648398 A CN 201710648398A CN 107701622 B CN107701622 B CN 107701622B
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- Prior art keywords
- brake
- temperature
- drum
- air
- control type
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- 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.)
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Classifications
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- 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
- F16D65/78—Features relating to cooling
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
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- 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
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
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- 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
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1328—Structure internal cavities, e.g. cooling channels
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- 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
- F16D65/78—Features relating to cooling
- F16D2065/781—Features relating to cooling involving phase change of material
-
- 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
- F16D65/78—Features relating to cooling
- F16D2065/783—Features relating to cooling cooling control or adjustment
-
- 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
- F16D65/78—Features relating to cooling
- F16D2065/788—Internal cooling channels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of enhanced drum brakes of Temperature Control Type, including back-plate, brake-shoe, brake drum and impeller, air inlet is offered on back-plate, air outlet is offered on back-plate, back-plate baffle and brake drum baffle are covered on air inlet and air outlet respectively to cover air port, brake drum baffle and back-plate baffle pass through the first temperature switch and second temperature switch control respectively it opened to control air inlet.The enhanced drum brake of Temperature Control Type proposed by the present invention, improves the cooling effect of brake, makes its operation is stable.
Description
Technical field
The present invention relates to brake structural technical field more particularly to a kind of enhanced drum brakes of Temperature Control Type.
Background technique
Currently, air-cooled drum brake mainly by brake pipe, wheel cylinder, wheelcylinder piston, brake drum, two brakings
Hoof, the friction plate between brake drum and brake-shoe, back-plate, return spring, the composition such as positioning pin.It brake drum, brake-shoe and rubs
Pad forms main friction pair and is braked, and brake drum makes rotating motion, and connect with the wheel hub of wheel, brake-shoe and friction plate
Fixed back-plate is connected to by positioning pin.When automobile brake, the brake oil liquid stream in brake pipe enters wheel cylinder,
Oil liquid pushes wheelcylinder piston mobile, and wheelcylinder piston drives brake-shoe, contacts brake-shoe outer surface with brake drum inner surface, does not revolve
The brake-shoe turned just to one moment of friction of the brake drum effect of rotation, generates braking action.Drum brake is widely used in
On automobile, when automobile braking for a long time or frequently braking, brake heats up quickly, and existing air-cooled drum brake thermal diffusivity
Can be poor, friction plate is also easy to produce apparent heat fading phenomenon, causes brake efficiency to decline, has seriously affected traffic safety.
Summary of the invention
The main purpose of the present invention is to provide a kind of enhanced drum brakes of Temperature Control Type, it is intended to improve the cold of brake
But effect makes its operation is stable.
To achieve the above object, the present invention provides a kind of enhanced drum brake of Temperature Control Type, including back-plate, braking
Hoof, brake drum and impeller offer air inlet on the back-plate, air outlet are offered on the back-plate, enter the wind
It is covered with back-plate baffle and brake drum baffle respectively on mouth and air outlet to cover air port, brake drum baffle and back-plate
Baffle passes through the first temperature switch and second temperature switch control respectively, and it is opened to control air inlet.
Preferably, it is additionally provided with phase change heat-transfer device on the brake-shoe, accommodates phase-transition liquid in phase change heat-transfer device.
Preferably, the phase change heat-transfer device includes the heat transfer gasket being fixed on brake-shoe, is located at heat transfer gasket side
Matrix and relative to the slidable air inducing heat exchange fin of matrix, phase-transition liquid is filled in matrix, when air inducing heat exchange fin to
The air inducing slot passed through for heat exchange air, air inducing heat exchange fin and the fixed company of the back-plate baffle are formed outside matrix when Slideslip
It connects.
Preferably, multiple water channels for increasing its heat exchange area are additionally provided in described matrix.
Preferably, the phase change heat-transfer device is provided with multi-disc air inducing heat exchange fin.
Preferably, the air inducing heat exchange fin is duplicate step-like to overlap up and down, and described matrix is equipped with sliding slot, air inducing
Heat exchange fin is installed on sliding slot and it with matrix is formed with multiple air inducing slots.
Preferably, the impeller is installed on brake drum by jackshaft, and first temperature switch and second temperature are opened
Guan Jun is placed on jackshaft, and the push rod of the first temperature switch is connect by connecting rod with brake drum baffle, second temperature switch
Push rod is connect by connecting rod with back-plate baffle, when the first temperature switch or second temperature switch when being heated to certain temperature
Its push rod is mobile to be correspondingly connected with bar movement to drive to open air outlet or air inlet.
Preferably, first temperature switch and second temperature switch are filled with fixed wax.
Preferably, first temperature switch and second temperature switch include the ontology being placed on jackshaft, are located at this
Sealing ring between body and jackshaft is contained in intrinsic solid state wax, the inductor being located within the body and is placed on jackshaft
On push rod, when the temperature increases, solid state wax fusing volume expansion is squeezed inductor, and shape becomes coniform to pushing away
Dynamic pushrod movement.
Preferably, the air inlet and air outlet are provided with multiple and relative to brake drum circumferential direction and are uniformly distributed.
The enhanced drum brake of Temperature Control Type proposed by the present invention has the advantages that
1. brake heat dissipation is uniformly quick, it is in friction plate within the scope of lower temperature, avoids friction material because of heat
The brake force that decline generates weakens, and improves drive safety of the vehicle in long braking or frequently braking；
2. the heat of high-temperature brake hoof is quickly exported using phase-change heat transfer fast feature；Utilize air Cooling Heat Transfer amount
Big feature takes heat from brake inside out of；
Open closed brake drum 3. opening up air outlet, air is directly entered brake, enhances air cooling effect；
4. realizing impeller using the rotary motion of brake drum to rotate, external energy input is avoided, has been saved cold
But cost reduces energy dissipation.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the enhanced drum brake of Temperature Control Type in the present invention；
Fig. 2 is the schematic cross-sectional view in the direction A-A shown in FIG. 1；
Fig. 3 is the structural schematic diagram of brake drum in the enhanced drum brake of Temperature Control Type in the present invention；
Fig. 4 is the structural schematic diagram of phase change heat-transfer device in the enhanced drum brake of Temperature Control Type in the present invention；
Fig. 5 is the schematic cross-sectional view in the direction B-B shown in Fig. 4；
Fig. 6 is the structural schematic diagram of air inducing heat exchange fin in the enhanced drum brake of Temperature Control Type in the present invention；
Fig. 7 is structural schematic diagram when enhanced the first temperature switch of drum brake of Temperature Control Type is closed in the present invention；
Fig. 8 is structural schematic diagram when enhanced the first temperature switch of drum brake of Temperature Control Type is opened in the present invention.
In figure, 1, back-plate, 2, air inlet, 3, back-plate baffle, 4, push rod, the 5, first temperature switch, 6, braking
Hoof, 7, positioning pin, 8, brake drum, 9, air outlet, 10, impeller, 11, jackshaft, 12, master cylinder, 13, axle sleeve, 14, connection
Bar, 15, brake drum baffle, 16, master cylinder piston, 17, reset spring, 18, friction plate, 19, brake drum-hub contacts face, 20, solid
State wax, 21, inductor, 22, ontology, 23, sealing ring, 24, second temperature switch, 25, phase change heat-transfer device, 26, water channel, 27,
Air inducing slot, 28, sliding slot, 29, matrix, 30, air inducing heat exchange fin, 31, high temperature evaporation end, 32, cryogenic condensation end, 33, be condensed back to
Flowing flux 26,34, heat transfer gasket.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to figs. 1 to Fig. 8, in this preferred embodiment, a kind of enhanced drum brake of Temperature Control Type, including back-plate 1,
Brake-shoe 6, brake drum 8 and impeller 10 offer air inlet 2 on back-plate 1, air outlet 9 are offered on back-plate 1,
Back-plate baffle 3 and brake drum baffle 15 are covered on air inlet 2 and air outlet 9 respectively to cover air port, brake drum baffle
15 and back-plate baffle 3 it is controlled by the first temperature switch 5 and second temperature switch 24 respectively and is opened to control and enter the wind.System
Dynamic drum baffle 15 and back-plate baffle 3 form air exhaust passage after opening around impeller 10.Impeller 10 is by axle sleeve 13 in
Between axis 11 connect, and be fixed on brake drum 8, blade is antecurvature design.
Further, referring to figs. 1 to Fig. 6, phase change heat-transfer device 25 is additionally provided on brake-shoe 6, in phase change heat-transfer device 25
Accommodate phase-transition liquid.In the present embodiment, have the characteristics that heat transfer is fast using phase change heat-transfer device 25, by the heat of high-temperature brake hoof 6
Amount quickly export, to further improve the heat dissipation effect of this brake.
Specifically, referring to fig. 4 to fig. 6, phase change heat-transfer device 25 includes the heat transfer gasket 34 being fixed on brake-shoe 6, position
In the matrix 29 of heat transfer 34 side of gasket and relative to the slidable air inducing heat exchange fin 30 of matrix 29, it is filled in matrix 29
Phase-transition liquid forms the air inducing slot 27 passed through for heat exchange air when air inducing heat exchange fin 30 is to 29 outer Slideslip of matrix, and air inducing changes
Hot fin 30 is fixedly connected with back-plate baffle 3.
Further, multiple water channels 26 for increasing its heat exchange area are additionally provided on matrix 29, to further improve this
The heat dissipation effect of brake.
Phase change heat-transfer device 25 is provided with multi-disc air inducing heat exchange fin 30.Air inducing heat exchange fin 30 is duplicate to overlap up and down
It is step-like, matrix 29 be equipped with sliding slot 28, air inducing heat exchange fin 30 be installed on sliding slot 28 and its be formed with matrix 29 it is multiple
Air inducing slot 27.Air inducing heat exchange fin 30, which can be realized, to be increased heat exchange area and has the function of air inducing.
Specifically, in the present embodiment, referring to Fig.1, impeller 10 is installed on brake drum 8 by jackshaft 11, the first temperature
Switch 5 and second temperature switch 24 are placed on jackshaft 11, and the push rod 4 of the first temperature switch 5 passes through connecting rod 14 and braking
Drum baffle 15 connects, and the push rod 4 of second temperature switch 24 is connect by connecting rod 14 with back-plate baffle 3, when the first temperature
Its push rod 4 is mobile when switch 5 or second temperature switch 24 are heated to certain temperature is correspondingly connected with the movement of bar 14 to drive to open
Air outlet 9 or air inlet 2.First temperature switch 5 and second temperature switch 24 are filled with fixed wax.Referring to Fig. 7 and Fig. 8, first
Temperature switch 5 and second temperature switch 24 include the ontology 22 being placed on jackshaft 11, be located at ontology 22 and jackshaft 11 it
Between sealing ring 23, be contained in ontology 22 solid state wax 20, the inductor 21 in ontology 22 and be placed on jackshaft 11
On push rod 4, when the temperature increases, solid state wax 20 melt volume expansion be squeezed inductor 21, shape becomes coniform
To push push rod 4 to move.
Further, air inlet 2 and air outlet 9 are provided with multiple and relative to brake drum 8 circumferential direction and are uniformly distributed, from
And further improve the heat dissipation effect of this brake.Air inlet 2 and air outlet 9 are sector.
Its working principle of the enhanced drum brake of this Temperature Control Type is as follows.When not braking, brake-shoe 6 and brake drum 8 are not
Contact, does not generate moment of friction, brake is in low-temperature condition.At this point, the first temperature switch 5 and second temperature switch 24 are in
Closed state, push rod 4, connecting rod 14, brake drum baffle 15 and back-plate baffle 3 are in the position Fig. 1, make air outlet 9 with
Air inlet 2 is closed.When braking, brake-shoe 6 is contacted with brake drum 8 generates moment of friction, frictional heat generation, and brake is in high temperature
State.At this point, the first temperature switch 5 is heated to push push rod 4, and drives brake drum baffle 15 mobile, air outlet 9 is opened, meanwhile,
Second temperature switch 24 is heated to push corresponding push rod 4, and drives back-plate baffle 3 mobile, opens air inlet 2.?
When back-plate baffle 3 is mobile, air inducing heat exchange fin 30 in phase change heat-transfer device 25 is mobile with back-plate baffle 3,
Air inducing slot 27 is formed at air inlet 2.Phase-transition liquid in phase change heat-transfer device 25 is become in the evaporator section close to brake-shoe 6 by liquid
Gaseous state liquefies again in the cooling section far from brake-shoe 6, heat is quickly exported from high temperature position.Extraneous Cryogenic air passes through
Air inducing slot 27 enters brake, and Cryogenic air is absorbed heat in brake inside to heat up, and impeller 10 rotates the air pressurized after being heated
It is discharged from air outlet 9.This brake is exported heat from the high temperature position of brake using phase-change heat transfer, recycles brake
Forced ventilation heat extraction circulation, reduces high temperature when brake, improves brake efficiency.
The enhanced drum brake of Temperature Control Type that the present embodiment proposes has the advantages that
1. brake heat dissipation is uniformly quick, it is in friction plate within the scope of lower temperature, avoids friction material because of heat
The brake force that decline generates weakens, and improves drive safety of the vehicle in long braking or frequently braking；
2. the heat of high-temperature brake hoof 6 is quickly exported using phase-change heat transfer fast feature；Utilize air Cooling Heat Transfer amount
Big feature takes heat from brake inside out of；
Open closed brake drum 8 3. opening up air outlet 9, air is directly entered brake, enhances air cooling effect；
4. realizing impeller 10 using the rotary motion of brake drum 8 to rotate, external energy input is avoided, is saved
Cooling cost reduces energy dissipation.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (8)
1. a kind of enhanced drum brake of Temperature Control Type, including back-plate, brake-shoe, brake drum and impeller, feature exist
In offering air inlet on the back-plate, air outlet offered on the brake drum, is covered respectively on air inlet and air outlet
Equipped with back-plate baffle and brake drum baffle to cover air port, brake drum baffle and back-plate baffle pass through the first temperature respectively
Its unlatching of degree switch and second temperature switch control is to control air inlet；Phase change heat-transfer device, phase transformation are additionally provided on the brake-shoe
Phase-transition liquid is accommodated in heat transfer unit (HTU)；The phase change heat-transfer device includes the heat transfer gasket being fixed on brake-shoe, is located at heat transfer
The matrix of gasket side and relative to the slidable air inducing heat exchange fin of matrix, is filled with phase-transition liquid, when air inducing changes in matrix
Hot fin forms the air inducing slot passed through for heat exchange air to outside matrix when Slideslip, air inducing heat exchange fin and the back-plate are kept off
Plate is fixedly connected.
2. the enhanced drum brake of Temperature Control Type as described in claim 1, which is characterized in that be additionally provided in described matrix multiple
Increase the water channel of its heat exchange area.
3. the enhanced drum brake of Temperature Control Type as described in claim 1, which is characterized in that the phase change heat-transfer device setting
There is multi-disc air inducing heat exchange fin.
4. the enhanced drum brake of Temperature Control Type as described in claim 1, which is characterized in that the air inducing heat exchange fin is upper
Under overlap it is duplicate step-like, described matrix be equipped with sliding slot, air inducing heat exchange fin is installed on sliding slot and it is formed with matrix
There are multiple air inducing slots.
5. the enhanced drum brake of Temperature Control Type as described in claim 1, which is characterized in that the impeller is pacified by jackshaft
Loaded on brake drum, first temperature switch and second temperature switch are placed on jackshaft, the push rod of the first temperature switch
It being connect by connecting rod with brake drum baffle, the push rod of second temperature switch is connect by connecting rod with back-plate baffle, when
Its push rod is mobile when first temperature switch or second temperature switch are heated to certain temperature is correspondingly connected with bar movement to drive to beat
Output air port or air inlet.
6. the enhanced drum brake of Temperature Control Type as claimed in claim 5, which is characterized in that first temperature switch and
Two temperature switches are filled with fixed wax.
7. the enhanced drum brake of Temperature Control Type as claimed in claim 5, which is characterized in that first temperature switch and
Two temperature switches include the ontology being placed on jackshaft, the sealing ring between ontology and jackshaft, are contained in ontology
Solid state wax, the inductor being located within the body and the push rod being placed on jackshaft, when the temperature increases, solid state wax melt volume
Expansion is squeezed inductor, and induction shape becomes coniform to push pushrod movement.
8. the enhanced drum brake of Temperature Control Type as claimed in any of claims 1 to 7 in one of claims, which is characterized in that it is described into
Air port and air outlet are provided with multiple and relative to brake drum circumferential direction and are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648398.3A CN107701622B (en) | 2017-08-01 | 2017-08-01 | The enhanced drum brake of Temperature Control Type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648398.3A CN107701622B (en) | 2017-08-01 | 2017-08-01 | The enhanced drum brake of Temperature Control Type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107701622A CN107701622A (en) | 2018-02-16 |
| CN107701622B true CN107701622B (en) | 2019-07-23 |
Family
ID=61170110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648398.3A Active CN107701622B (en) | 2017-08-01 | 2017-08-01 | The enhanced drum brake of Temperature Control Type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701622B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032220A (en) * | 2020-08-07 | 2020-12-04 | 龚植祥 | Drum brake with cooling function |
| CN113669389B (en) * | 2021-08-11 | 2023-03-14 | 河北百龙汽车配件股份有限公司 | Heavy-duty car brake hub capable of rapidly dissipating heat |
Citations (9)
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|---|---|---|---|---|
| KR20050061207A (en) * | 2003-12-18 | 2005-06-22 | 현대자동차주식회사 | Apparatus for cooling a clutch of vehicle |
| KR20060070671A (en) * | 2004-12-21 | 2006-06-26 | 현대자동차주식회사 | Cooling device for a clutch assembly |
| CN101346556A (en) * | 2005-12-23 | 2009-01-14 | 韦伯车轮产品有限公司 | Brake drum with vent hole and cooling scoop |
| CN201619562U (en) * | 2010-04-13 | 2010-11-03 | 王磊 | Drum brake air cooling system |
| CN202073962U (en) * | 2011-06-10 | 2011-12-14 | 重庆交通大学 | Split friction-disc type brake |
| CN105229332A (en) * | 2013-04-23 | 2016-01-06 | 宾利汽车有限公司 | Arrester cover |
| CN204985450U (en) * | 2015-07-28 | 2016-01-20 | 华南理工大学 | Use heat pipe and radiating drum brake of flabellum |
| CN205207502U (en) * | 2015-11-30 | 2016-05-04 | 成都九十度工业产品设计有限公司 | Forced air cooling drum -type tramcar brake |
| CN205859014U (en) * | 2016-08-09 | 2017-01-04 | 山东遨游汽车制动系统股份有限公司 | Active heat dissipation brake |
-
2017
- 2017-08-01 CN CN201710648398.3A patent/CN107701622B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050061207A (en) * | 2003-12-18 | 2005-06-22 | 현대자동차주식회사 | Apparatus for cooling a clutch of vehicle |
| KR20060070671A (en) * | 2004-12-21 | 2006-06-26 | 현대자동차주식회사 | Cooling device for a clutch assembly |
| CN101346556A (en) * | 2005-12-23 | 2009-01-14 | 韦伯车轮产品有限公司 | Brake drum with vent hole and cooling scoop |
| CN201619562U (en) * | 2010-04-13 | 2010-11-03 | 王磊 | Drum brake air cooling system |
| CN202073962U (en) * | 2011-06-10 | 2011-12-14 | 重庆交通大学 | Split friction-disc type brake |
| CN105229332A (en) * | 2013-04-23 | 2016-01-06 | 宾利汽车有限公司 | Arrester cover |
| CN204985450U (en) * | 2015-07-28 | 2016-01-20 | 华南理工大学 | Use heat pipe and radiating drum brake of flabellum |
| CN205207502U (en) * | 2015-11-30 | 2016-05-04 | 成都九十度工业产品设计有限公司 | Forced air cooling drum -type tramcar brake |
| CN205859014U (en) * | 2016-08-09 | 2017-01-04 | 山东遨游汽车制动系统股份有限公司 | Active heat dissipation brake |
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|---|---|
| CN107701622A (en) | 2018-02-16 |
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