WO1992001169A1 - Amortisseur de bruit pour freins a disque ou a tambour - Google Patents

Amortisseur de bruit pour freins a disque ou a tambour Download PDF

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Publication number
WO1992001169A1
WO1992001169A1 PCT/EP1991/001242 EP9101242W WO9201169A1 WO 1992001169 A1 WO1992001169 A1 WO 1992001169A1 EP 9101242 W EP9101242 W EP 9101242W WO 9201169 A1 WO9201169 A1 WO 9201169A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
disc
silencer
drum
guide pin
Prior art date
Application number
PCT/EP1991/001242
Other languages
German (de)
English (en)
Inventor
Karl-Fr. WÖRSDÖRFER
Thomas Egerer
Reinhold Worms
Ludwig Dreilich
Original Assignee
Alfred Teves Gmbh
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
Priority claimed from DE19904021567 external-priority patent/DE4021567A1/de
Application filed by Alfred Teves Gmbh filed Critical Alfred Teves Gmbh
Publication of WO1992001169A1 publication Critical patent/WO1992001169A1/fr

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • 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
    • 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
    • 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
    • F16D65/0006—Noise or vibration control
    • F16D65/0018—Dynamic vibration dampers, e.g. mass-spring systems

Definitions

  • the invention is based on a disc or drum brake and relates to the problem of suppressing noise emanating from the brake, in particular squeaking.
  • Brake squeaking is particularly uncomfortable. For this reason, numerous measures have been proposed and some have been put into practice which are intended to prevent disturbing noise from the brake, either by damping oscillating brake parts or by detuning their natural frequencies so that they lie in the inaudible range or are no longer excited.
  • the aim of the invention is therefore to tackle the problem of suppressing braking noises somewhat more systematically and to find a generally usable, effective and reliable solution.
  • the starting point of the solution is the observation that particularly large oscillation amplitudes (antinodes) occur at certain points on the brake, especially on the brake disc or brake drum, which cause loud braking noises and can therefore be combated most effectively here.
  • the noise damping takes place on the friction surface of the noise damper, which is constantly in contact with the brake, in that vibration energy is converted into frictional heat.
  • An advantage is the versatility of the invention, which is not limited to a particular type of brake, but can be used both in disc and drum brakes of various types. Compared to known devices, it is characterized by the consequence of also applying vibrations to rotating parts of the brake. dampen where they occur preferentially. If the circumstances so require, several silencers can be used.
  • the noise damper is adjustable. In this way, its friction surface can be set to a point of maximum vibration amplitude and its effectiveness can be individually optimized. If the properties of the brake change over time, the process can be repeated.
  • claim 3 can be advantageously used that large areas of the brake disc or brake drum are easily accessible.
  • the point to be damped can be selected relatively freely according to practicality, without the noise damper and other brake parts interfering with one another. In this way, its effectiveness is further increased and remains more reliably maintained, which is particularly important in stubborn cases of brake squeal.
  • the noise damper according to claim 4 has a resilient element which generates the force for pressing its friction surface against the brake.
  • the pressing force is adjustable, further possibilities open up for individually optimizing the damping at any time.
  • an embodiment according to claim 7 is more favorable in which the friction surface has a friction lining.
  • the invention can be further improved if the noise damper according to claim 8 is anchored to a vehicle part to which essentially no vibrations of the brake are transmitted which could impair the effectiveness of the damping.
  • the noise damper can also be advantageously used on stationary brake parts that tend to vibrate, for example according to claim 9 on the brake caliper of a disc brake.
  • sic recommends an embodiment according to claim 10.
  • the muffler is attached directly to the brake here, so that the muffled brake can be installed as a pre-assembled unit on the vehicle.
  • An additional dimension rests resiliently on the brake housing and, due to its inertia, enables a rubbing relative movement between the contact surface of the silencer and the brake housing.
  • the silencer is attached to a guide pin of a floating caliper partial brake disc brake.
  • This attachment only requires a modified guide pin, while the brake housing of a current series can otherwise be taken over unchanged. This saves tool costs. It is also possible to retrofit conventional brakes with the noise damper according to the invention. Further advantageous design features are disclosed in subclaims 12 and 13.
  • FIG. 1 is a side view of a schematically shown disc brake with silencers
  • Fig. 3 is a partially sectioned side view of a floating caliper brake pad with a noise damper according to the invention in a further embodiment.
  • the first example relates to a disc brake, the essential components, namely brake disc 1, brake shoes 2, 3 and brake caliper 4 in FIG. 1 schematically are shown.
  • the silencers 5 and 6 consist of friction lining 8, leaf spring 9 and anchoring 10, by means of which they are connected to the wheel suspension of the vehicle.
  • the friction lining 8 is positioned so that it presses against a point on the brake disc 1 that tends to large vibration amplitudes and suppresses them. Due to its position, noise damper 5 is particularly well suited for damping axial, noise damper 6 for damping radial or tangential vibrations of brake disc 1.
  • the friction surface 11 is made of steel and is simply formed by the free end of the leaf spring 12. Its anchor 13 is also connected to the wheel suspension. The friction surface 11 presses on a point of the brake caliper at which large vibration amplitudes occur, which are damped in this way.
  • a partial lining disk brake has a floating caliper 101 with a brake piston 102 and two brake shoes 103, 104, which are intended to be pressed against a brake disk 105.
  • the floating caliper 101 is slidably guided on a brake carrier 106 by means of two bolt guides.
  • One of the two bolt guides can be seen in the drawing.
  • a thread 108 of a guide bolt 109 is screwed into a threaded bore 107 of the brake carrier 106, on which a bushing eye 110 connected to the floating caliper 101, which is provided with a bushing 111 made of elastic material, slides.
  • the guide pin 109 is provided on its end section facing away from the brake carrier 106 with a circumferential annular groove 112, in which the one end 117 of a wire spring 113 belonging to a noise damper 114 is clamped.
  • the silencer 114 also includes an additional mass 115 with a cylindrical base body which merges into a cone 119 on one axial side and has a cylindrical projection 116 on its other axial side, around which the other end 118 of the torsion spring 113 is wound.
  • the guide pin 109 has an axial opening 120 with hexagonal in its end portion Cross-section that was originally intended to hold a wrench.
  • the additional mass 115 is now pressed axially against the end of the guide bolt 109 by means of the spring 113, so that the tip of the cone 119 extends into the opening 120 and the cone jacket lies against the outer edge of the opening 120.
  • This simple fastening allows, on the one hand, relative movements between the brake and additional mass 115 and, on the other hand, prevents the additional mass 115 from falling out.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne des freins à disque ou à tambour et vise à supprimer les bruits des freins, notamment leur couinement. L'objet de l'invention est par conséquent un dispositif particulièrement efficace et fiable d'élimination des bruits des freins. A cet effet, au moins un amortisseur stationnaire de bruit (5, 6) est en contact, par frottement, avec le disque (1) ou le tambour en rotation du frein et amortit ses vibrations. L'invention se distingue des mesures connues par des possibilités multiples d'utilisation. Elle ne se limite pas à un type particulier de freins et permet d'optimiser individuellement les propriétés d'amortissement. L'amortisseur de bruit (7) peut être avantageusement utilisé également pour amortir les bruits de parties stationnaires des freins. Dans un autre mode de réalisation, un ressort (113) est assujetti au carter du frein, porte une masse supplémentaire (115) de dimensions réduites et presse cette masse supplémentaire (115) contre les freins.
PCT/EP1991/001242 1990-07-06 1991-07-03 Amortisseur de bruit pour freins a disque ou a tambour WO1992001169A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19904021567 DE4021567A1 (de) 1990-07-06 1990-07-06 Geraeuschdaempfer fuer scheiben- oder trommelbremse
DEP4021567.9 1990-07-06
DEP4036401.1 1990-11-15
DE19904036401 DE4036401A1 (de) 1990-07-06 1990-11-15 Geraeuschdaempfer fuer scheibenbremsen

Publications (1)

Publication Number Publication Date
WO1992001169A1 true WO1992001169A1 (fr) 1992-01-23

Family

ID=25894781

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1991/001242 WO1992001169A1 (fr) 1990-07-06 1991-07-03 Amortisseur de bruit pour freins a disque ou a tambour

Country Status (3)

Country Link
EP (1) EP0537249A1 (fr)
DE (1) DE4036401A1 (fr)
WO (1) WO1992001169A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762744A1 (fr) * 2005-09-05 2007-03-14 Yamaha Hatsudoki Kabushiki Kaisha Frein à tambour et véhicule du type monté à califourchon
CN113931951A (zh) * 2020-07-14 2022-01-14 通用汽车环球科技运作有限责任公司 用于机动车辆制动系统的制动盘

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19533326A1 (de) * 1995-09-08 1997-03-13 Bayerische Motoren Werke Ag Schwingungstilger
DE19601111A1 (de) * 1996-01-13 1997-07-17 Teves Gmbh Alfred Teilbelagscheibenbremse
DE19607056A1 (de) 1996-02-24 1997-08-28 Teves Gmbh Alfred Festsattelbremse mit zugehörigen Bremsbelägen
DE19635838A1 (de) * 1996-09-04 1998-04-02 Teves Gmbh Alfred Festsattelbremse mit zugehörigen Bremsbelägen
DE19622546A1 (de) * 1996-06-05 1997-12-11 Teves Gmbh Alfred Vorrichtung zum Dämpfen und Tilgen von Bremsgeräuschen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1833413A (en) * 1930-01-23 1931-11-24 Gen Motors Res Corp Brake drum
US3598417A (en) * 1969-06-19 1971-08-10 Mueller Seal Co Nonfriction seal
GB2206935A (en) * 1987-07-14 1989-01-18 Ferodo Ltd Reducing noise generated by a vehicle brake

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1031151A (en) * 1962-02-12 1966-05-25 Automotive Prod Co Ltd Improvements in and relating to disc brakes
DE1899223U (de) * 1962-03-09 1964-08-20 Teves Kg Alfred Teilbelagscheibenbremse.
DE1952568B2 (de) * 1969-10-18 1971-11-18 Einrichtung zum vermeiden von schwingungen und damit des quietschens einer bremsbacke fuer teilbelagscheibenbremsen
FR2046600A5 (fr) * 1970-05-05 1971-03-05 Dba
GB2046871B (en) * 1979-03-08 1982-12-08 Lucas Industries Ltd Vehicle drum brake springs
DE3736126A1 (de) * 1987-10-26 1989-05-11 Porsche Ag Bremsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1833413A (en) * 1930-01-23 1931-11-24 Gen Motors Res Corp Brake drum
US3598417A (en) * 1969-06-19 1971-08-10 Mueller Seal Co Nonfriction seal
GB2206935A (en) * 1987-07-14 1989-01-18 Ferodo Ltd Reducing noise generated by a vehicle brake

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 7, no. 95 (M-209)(1240) 21. April 1983 & JP-A-58 17 234 (SUMITOMO DENKI KOGYO K.K. ) 1. Februar 1983 siehe das ganze Dokument *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762744A1 (fr) * 2005-09-05 2007-03-14 Yamaha Hatsudoki Kabushiki Kaisha Frein à tambour et véhicule du type monté à califourchon
CN113931951A (zh) * 2020-07-14 2022-01-14 通用汽车环球科技运作有限责任公司 用于机动车辆制动系统的制动盘
CN113931951B (zh) * 2020-07-14 2023-08-08 通用汽车环球科技运作有限责任公司 用于机动车辆制动系统的制动盘

Also Published As

Publication number Publication date
DE4036401A1 (de) 1992-05-21
EP0537249A1 (fr) 1993-04-21

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