WO2014095683A1 - Porte-garniture de frein pour frein à disque - Google Patents

Porte-garniture de frein pour frein à disque Download PDF

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Publication number
WO2014095683A1
WO2014095683A1 PCT/EP2013/076647 EP2013076647W WO2014095683A1 WO 2014095683 A1 WO2014095683 A1 WO 2014095683A1 EP 2013076647 W EP2013076647 W EP 2013076647W WO 2014095683 A1 WO2014095683 A1 WO 2014095683A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
brake
brake pad
plate
back plate
Prior art date
Application number
PCT/EP2013/076647
Other languages
German (de)
English (en)
Inventor
Michael Faulwasser
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2014095683A1 publication Critical patent/WO2014095683A1/fr

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
    • F16D65/0006—Noise or vibration control
    • 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
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0971—Resilient means interposed between pads and supporting members or other brake parts transmitting brake actuation force, e.g. elements interposed between brake piston and pad

Definitions

  • the invention relates to a brake pad back plate for a disc brake with a layer plate for vibration damping, at least consisting of a first layer of metal and at least a second, applied to the first layer layer, according to the preamble of the first or second claim.
  • Such disc brake pads are also called “shims.”
  • Conventional bonded pads or shims consist of one or more layers of rubber and metal, and are attached to the back plate of brake pads via an adhesive, with the choice of adhesive determining whether the shim is high or low
  • DE 33 39 809 A1 describes a supplement training for disc brake pads, in which an insert buffer made of heat-resistant composite material is adjusted by a metal bracket overlying this in the brake piston.
  • US Pat. No. 3,817,356 and EP 1 398 145 B1 each describe, in very general terms, composite plates for vibration damping, which can be attached to the source of vibration by means of magnetic force.
  • the dampening effect of glued shims is due to the distortion of the adhesive layer, and clipped shims due to friction between the shim and the back plate.
  • Slipped shims can have a set coefficient of friction via a lubrication of the opposite surfaces of the shim and back plate and they can only achieve their effect with large-area contact pressure. Piston-sided back plates often do not have the large contact pressure.
  • glued shims results from the adhesive, a temperature-dependent damping.
  • Object of the present invention is to provide a brake pad back plate for disc brakes with a vibration-damping layer plate, which avoids the aforementioned disadvantages.
  • a layer plate for vibration damping for a brake pad back plate of a disc brake at least a first layer of metal and a second, applied to the first layer layer.
  • the laminated plate is characterized in that the second layer forms a magnetic field with the magnetic force of which
  • Laminated plate is mounted on the side of the brake pad back plate, which is directed to a caliper or to a brake piston out.
  • a layer plate for vibration damping for a brake pad back plate of a disc brake at least a first layer of metal, consist of an applied to the first layer intermediate layer of an elastomeric material and a second, applied to the intermediate layer layer.
  • This layer plate is also characterized in that the second layer forms a magnetic field, with the magnetic force, the layer plate is fixed on the side of the brake pad back plate, which is directed to a caliper or to a brake piston out.
  • both types of layer plate for vibration damping have the advantage that a temperature-independent damping effect over the entire temperature range is achieved because magnetic force and friction are temperature independent .
  • a desired damping characteristic of the sandwich plate can be adjusted.
  • a frictional force is created in the friction gap between the layer plate and the part subject to vibration, which causes the system to bend and flex
  • Torsional vibration dampens which prevents brake noise during braking. Precisely because vibrations and simultaneously large temperature differences occur with disc brakes, the laminated plate is of great advantage there. It prevents the well-known brake squeal and brake creaking over the full temperature range, which includes both cold pre-start braking and hot braking after long descents.
  • a preferred embodiment of the invention is characterized in that a lubricant is introduced between the second layer and the brake pad back plate. This has the advantage that the friction caused by the magnetic force can be influenced even better. This can be taken into account by the choice of lubricant, the temperature range occurring in each case upon receipt of the temperature independence. In advance, to run with different lubricants attempts, according to common known experimental methods. Two preferred embodiments of the present invention are shown in the attached drawing limited to the essentials. Show it:
  • Figure 1 a metal plate according to the prior art for contact with a
  • Brake pad back plate at its side facing a brake piston or caliper side, in cross-section
  • Figure 2 a laminated plate according to the invention, for contact with a
  • FIG. 3 a further layer plate according to the invention, for abutment against a
  • Figure 4 is a view of a brake pad back plate from behind, with an applied, inventive layer plate according to Figure 3, in section.
  • a disc brake is designed to generate a braking force by pressing both surfaces of a brake disc, which rotates together with a vehicle wheel, together by fixed brake pads.
  • Brake pad back plate 1 attached thereto, not visible brake pad (directed into the plane of the drawing) against a brake disc, again not shown.
  • the brake pad back plate 1 carries on one side the brake pad. On an opposite side of the
  • Brake pad back plate 1 is a laminated plate 3 according to the figures 1 to 3 mounted on the surface of the brake pad back plate 1, which is pressed during braking by the piston or the caliper housing.
  • the sandwich plates 3 serve to prevent heat and vibrations, that is, vibrations generated during braking, from being transmitted to the piston and the caliper housing, and also serve to reduce or prevent any vibration noise that may occur.
  • each layer plate 3 according to the prior art consists of at least a first layer of metal and a second, not shown, applied to the first layer layer of adhesive.
  • the metal plate 3 can also be secured by clips on the brake pad back plate 1.
  • the prior art ( Figure 1) uses adhesives having different temperature characteristics. For example, acrylic based for cold application and silicone or phenolic based for hot application.
  • Brake pad back plates 1 is not transferred to the metal layer, as shear stresses are generated in the adhesive, which counteract the vibrations.
  • the invention provides that for the second layer, no adhesive is used, but that it forms a magnetic field, by its attraction for ferrous materials between
  • Brake pad back plate 1 and metal layer 2 of the laminated plate 3 is introduced, these two sets magnetically together.
  • Figures 2 and 3 each show a cross section of a layer plate 3 according to the invention for introduction between the brake pad back plate 1 and brake piston or caliper housing.
  • the layer plate 3 of Figure 2 consists of the first layer of metal 2, an applied on the first layer intermediate layer of an elastomeric material 4 and the second, applied to the intermediate layer layer 5, which forms the magnetic field.
  • FIG. 3 shows a cross-section of a vibration damping layer plate 3, which consists of the first layer of metal 2 and the second layer 5 applied to the first layer, which forms a magnetic field.
  • Figure 4 shows a view of the brake pad back plate 1 from the rear, the side facing away from the brake pad, with an applied layer plate 3, cut in the second, magnetic layer 5. This is shown by the hatching. Therefore, the other layers of the laminated plate 3, the elastomeric intermediate layer 4 and the layer of metal 2 are not visible in this figure.
  • a laminated panel 3 may also be attached to a vehicle part exposed to vibrations and / or changes in heat as the brake pad back plate 1, for example to a body panel.
  • layer thicknesses can be varied and / or further layers of different materials can be added. Also several layers of the same material are conceivable without departing from the spirit. Single or multiple layers may also be broken or otherwise altered.
  • the invention should of course also include extensions with known from the prior art devices, such as the use of different Verlierschen for the sandwich panel, such as an additional mechanically loose rivet joint between the sandwich panel and brake pad plate.
  • the second layer 5 can also be glued to the brake pad back plate 1 in addition to its attachment by magnetic force.

Landscapes

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

Abstract

L'invention concerne un porte-garniture de frein d'un frein à disque. Ce porte-garniture est pourvu d'un panneau stratifié destiné à amortir les vibrations, lequel panneau est constitué au moins d'une première couche en métal et d'une deuxième couche appliquée sur la première couche. En variante, le panneau stratifié destiné à amortir les vibrations peut être constitué au moins d'une première couche de métal, d'une couche intermédiaire en matériau élastomère appliquée sur la première couche, et d'une deuxième couche appliquée sur la couche intermédiaire. Chaque panneau stratifié est caractérisé en ce que la deuxième couche forme un champ magnétique dont la force magnétique permet de fixer le panneau stratifié sur la face du porte-garniture tournée vers un étrier de frein ou un piston de frein.
PCT/EP2013/076647 2012-12-21 2013-12-16 Porte-garniture de frein pour frein à disque WO2014095683A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012224152.3 2012-12-21
DE102012224152.3A DE102012224152A1 (de) 2012-12-21 2012-12-21 Schichtplatte, insbesondere für eine Scheibenbremse

Publications (1)

Publication Number Publication Date
WO2014095683A1 true WO2014095683A1 (fr) 2014-06-26

Family

ID=49949620

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/076647 WO2014095683A1 (fr) 2012-12-21 2013-12-16 Porte-garniture de frein pour frein à disque

Country Status (2)

Country Link
DE (1) DE102012224152A1 (fr)
WO (1) WO2014095683A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108506380A (zh) * 2018-03-28 2018-09-07 德清县海昌汽车零配件有限公司 一种汽车用制动器耐磨衬片

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10428884B2 (en) 2015-09-02 2019-10-01 Ford Global Technologies, Llc Noise reducing brake pads

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207328A (en) * 1966-11-10 1970-09-30 Dba Sa Improvements in or relating to disc brakes
DE3339809A1 (de) * 1982-11-03 1984-05-03 Ferodo Ltd., Manchester Beilagenausbildung fuer scheibenbremsbelege
DE102005006464A1 (de) * 2005-02-12 2006-08-24 Bayerische Motoren Werke Ag Fahrzeugbremse sowie Fahrzeug mit Fahrzeugbremse
DE202013002406U1 (de) * 2012-03-14 2013-05-16 Akebono Brake Corporation Bremsenkomponente mit einem Einkapselungsmittel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817356A (en) * 1973-05-29 1974-06-18 Minnesota Mining & Mfg Vibration damping
US7094478B1 (en) * 2002-09-13 2006-08-22 Material Sciences Corporation, Engineered Materials And Solutions Group, Inc. Magnetic damping
KR20100081115A (ko) 2009-01-05 2010-07-14 주식회사 만도 디스크 브레이크

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207328A (en) * 1966-11-10 1970-09-30 Dba Sa Improvements in or relating to disc brakes
DE3339809A1 (de) * 1982-11-03 1984-05-03 Ferodo Ltd., Manchester Beilagenausbildung fuer scheibenbremsbelege
DE102005006464A1 (de) * 2005-02-12 2006-08-24 Bayerische Motoren Werke Ag Fahrzeugbremse sowie Fahrzeug mit Fahrzeugbremse
DE202013002406U1 (de) * 2012-03-14 2013-05-16 Akebono Brake Corporation Bremsenkomponente mit einem Einkapselungsmittel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108506380A (zh) * 2018-03-28 2018-09-07 德清县海昌汽车零配件有限公司 一种汽车用制动器耐磨衬片

Also Published As

Publication number Publication date
DE102012224152A1 (de) 2014-07-10

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