WO2003044387A1 - Tambour de freinage de masse reduite et a performances augmentees - Google Patents
Tambour de freinage de masse reduite et a performances augmentees Download PDFInfo
- Publication number
- WO2003044387A1 WO2003044387A1 PCT/FR2002/003467 FR0203467W WO03044387A1 WO 2003044387 A1 WO2003044387 A1 WO 2003044387A1 FR 0203467 W FR0203467 W FR 0203467W WO 03044387 A1 WO03044387 A1 WO 03044387A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- braking
- heat sink
- drum according
- ribs
- retaining wall
- Prior art date
Links
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
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- 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
-
- 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
- F16D2065/1312—Structure circumferentially segmented
-
- 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
- F16D2065/1316—Structure radially segmented
-
- 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
- F16D2065/132—Structure layered
-
- 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
- F16D2065/1332—Structure external ribs, e.g. for cooling or reinforcement
-
- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0013—Cast iron
-
- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0026—Non-ferro
- F16D2200/003—Light metals, e.g. aluminium
Definitions
- the present invention relates to a braking system of a motor vehicle.
- the invention relates more particularly to a rear wheel braking system, of the drum hub type.
- drums made entirely of aluminum which have the additional disadvantages of a significant increase in the risk of loss of braking on prolonged braking, due to the high temperatures on the aluminum braking track.
- This technology also has the disadvantages of being expensive due to the need for a large amount of aluminum and the need for a hub bearing, and to present a risk of loss of wheel tightening due to damage. of the connection, between the rim and the drum following the repetition of side impacts to the wheel.
- the invention provides a braking drum comprising at least one braking track and a heat sink.
- This device is characterized in that characterized in that characterized in that characterized in that the braking track is carried directly by a wheel hub, by means of a retaining wall, in order to form a one-piece assembly, said assembly being covered at its periphery by a heat sink.
- the retaining wall is formed near the hub of a base of constant thickness and of a connecting part whose thickness decreases up to the end common to the braking track. .
- the braking surface is substantially the same thickness as the connecting portion of the wall of 'maintenance.
- the difference in thickness of the connecting part is a housing for a radial extension of the heat sink.
- the retaining wall has recesses.
- the recesses receive complementary shapes extending the heat sink.
- the heat sink has ribs.
- the ribs extend regularly in a direction substantially parallel to the axis of the drum. According to a characteristic of the present invention, the ribs have non-rectilinear shapes.
- the ribs are extended radially along the connecting part.
- the heat sink is molded on the one-piece assembly.
- the hub-hoop assembly is made of cast iron.
- the heat sink is made of aluminum.
- FIG. 1 is a perspective view of a drum according to the teachings of the invention.
- FIG. 2 is a perspective view of a drum according to a second embodiment.
- the wheel support with integrated brake is a drum 1 made up of a one-piece cast iron assembly 2 and a heat sink 3 made of aluminum.
- the one-piece assembly 2 consists of an outer cylinder which will carry a braking track 9 and an inner coaxial cylinder constituting a hub 10.
- the inner diameter of the hub 10 must allow the mounting of bearings around a shaft.
- the braking track 9 and the hub 10 are joined by a retaining wall 4 substantially perpendicular to their common axis, and joining one of the opposite ends of the elements 9 and 10.
- This retaining wall 4 has an evolving section which thickens from the outside to the inside of the drum 1, so that a connecting part 5, upper part of the retaining wall 4, and the braking track 9 have a small contact area while a base 6, part of constant thickness of the retaining wall 4, extends over the entire length of the hub 10.
- a heat sink 3 On the outer surface of the braking track 9 is disposed a heat sink 3 provided with ribs 8.
- the heat sink 3 extends along the outer surface of the braking track 9 and on the connecting part 5, part of the retaining wall 4 having a depression so that, once the depression coated with aluminum, said dissipator 3 and the base 6 are located in the same plane.
- the heat sink 3 has ribs 8, regularly arranged in a direction substantially parallel to the axis of the drum 1 and extending radially along the connecting portion 5.
- the radial extension of the ribs 8 will make it possible to provide, in addition effects such as lightening and improving heat exchange, rigidity at the braking track 9 and its connection with the connecting part 5
- This arrangement is not restrictive of the invention and it will be understood, for example, that the ribs 8 presented by the aluminum coating 3 may extend only around the periphery of the drum 1.
- the ribs can have non-rectilinear shapes and different thicknesses in order to optimize heat exchanges with the outside.
- the inner surface of the hub 10 has two circular grooves intended to accommodate stop means in translation for bearings mounted around the drive shaft.
- the one-piece cast iron assembly 2 is perforated.
- the recesses 12 thus produced in the retaining wall 4 in cast iron are replaced by aluminum which both play the role of heat sink and transmit the braking torque.
- the one-piece assembly 2 is made of cast iron. Aluminum cladding
- the brake drum as described in the invention therefore allows a reduction in mass compared to traditional solutions. It also allows an improvement in braking performance when emergency braking is repeated in a short period of time, due to the increase in heat dissipation by convection, and by improving transfers. heat in the drum. Thus the risk of loss of braking following prolonged braking is eliminated due to the increase in heat dissipation by convection.
- a drum of this type also makes it possible to eliminate the risks of loss of tightening of the wheel, due to the production in cast iron of the interface between the rim and the drum, an anticorrosion protection of the drum to jointly respond to problems of longevity and - aesthetics, and finally a possible improvement of the attractiveness of the drum for the customer by a work of design of the visible face of the drum.
- the advantage of such a system also lies in the cost, which is considerably lower than a disk solution.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02790505A EP1434950A1 (fr) | 2001-10-12 | 2002-10-11 | Tambour de freinage de masse reduite et a performances augmentees |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0113163A FR2830914B1 (fr) | 2001-10-12 | 2001-10-12 | Tambour de freinage de masse reduite et a performances augmentees |
FR01-13163 | 2001-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003044387A1 true WO2003044387A1 (fr) | 2003-05-30 |
Family
ID=8868222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/003467 WO2003044387A1 (fr) | 2001-10-12 | 2002-10-11 | Tambour de freinage de masse reduite et a performances augmentees |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1434950A1 (fr) |
FR (1) | FR2830914B1 (fr) |
WO (1) | WO2003044387A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005003586A1 (fr) * | 2003-06-27 | 2005-01-13 | Cyco Systems Corporation Pty Ltd. | Tambour de frein |
FR2936289B1 (fr) * | 2008-09-25 | 2011-10-14 | Renault Sas | Tambour et moyeu tambour de frein a echange thermique perfectionne notamment pour vehicule automobile, et vehicule equipe |
FR2966537B1 (fr) * | 2010-10-22 | 2012-11-30 | Peugeot Citroen Automobiles Sa | Tambour de frein, en particulier pour vehicule automobile, comportant un surmoulage |
FR2989138A1 (fr) * | 2012-04-10 | 2013-10-11 | Peugeot Citroen Automobiles Sa | Tambour de frein et dispositif de freinage d'une roue d'un vehicule associe |
FR3024512B1 (fr) | 2014-08-01 | 2016-08-05 | Peugeot Citroen Automobiles Sa | Tambour de frein comportant une masse annulaire espacee de la couronne de frottement |
FR3100296B1 (fr) | 2019-09-02 | 2021-09-10 | Bronze Alu | Tambour de frein composite |
EP3855041B1 (fr) * | 2020-01-22 | 2022-11-16 | FCA Italy S.p.A. | Tambour de frein de roue de véhicule à moteur |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1900844A (en) * | 1930-09-20 | 1933-03-07 | Bendix Brake Co | Brake drum |
US2109110A (en) * | 1935-09-16 | 1938-02-22 | Bendix Prod Corp | Brake drum |
GB2008700A (en) * | 1977-11-22 | 1979-06-06 | Baggioli G | Brake Drum |
US4436139A (en) * | 1981-07-20 | 1984-03-13 | Motor Wheel Corporation | Method and apparatus for manufacture of brake drums |
-
2001
- 2001-10-12 FR FR0113163A patent/FR2830914B1/fr not_active Expired - Fee Related
-
2002
- 2002-10-11 EP EP02790505A patent/EP1434950A1/fr not_active Withdrawn
- 2002-10-11 WO PCT/FR2002/003467 patent/WO2003044387A1/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1900844A (en) * | 1930-09-20 | 1933-03-07 | Bendix Brake Co | Brake drum |
US2109110A (en) * | 1935-09-16 | 1938-02-22 | Bendix Prod Corp | Brake drum |
GB2008700A (en) * | 1977-11-22 | 1979-06-06 | Baggioli G | Brake Drum |
US4436139A (en) * | 1981-07-20 | 1984-03-13 | Motor Wheel Corporation | Method and apparatus for manufacture of brake drums |
Also Published As
Publication number | Publication date |
---|---|
FR2830914B1 (fr) | 2004-12-17 |
FR2830914A1 (fr) | 2003-04-18 |
EP1434950A1 (fr) | 2004-07-07 |
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