JPS591825A - Ventilated rotor - Google Patents
Ventilated rotorInfo
- Publication number
- JPS591825A JPS591825A JP10997182A JP10997182A JPS591825A JP S591825 A JPS591825 A JP S591825A JP 10997182 A JP10997182 A JP 10997182A JP 10997182 A JP10997182 A JP 10997182A JP S591825 A JPS591825 A JP S591825A
- Authority
- JP
- Japan
- Prior art keywords
- air
- intake port
- rotor
- air intake
- heat
- 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.)
- Granted
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
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、熱放散性能の部上を計ったベンチレーテッド
ロータに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ventilated rotor with improved heat dissipation performance.
ディスクブレーキに使用されている従来のベンチレーテ
ッドロータは、車両制動時の摩擦熱による温度上昇に起
因して、パッドの耐摩耗性が劣化したシ、車軸の軸受温
度が異常に高温となるのを避けるために、ロータ内部に
放射状の通気孔を設けたものであシ、特に大型車用のデ
ィスクブレーキに採用されている。而して、ディスクブ
レーキは車両への取付状態において開放性に欠けるため
に、通気孔への空気の取υ入れ量は必ずしも充分では々
く、車両の大型化、高速化に伴って更に熱放散性能の部
上が望まれている。Conventional ventilated rotors used in disc brakes have deteriorated pad wear resistance due to temperature rise due to frictional heat during vehicle braking, and the axle bearing temperature has become abnormally high. In order to avoid this, radial ventilation holes are provided inside the rotor, and this is especially used in disc brakes for large vehicles. However, because disc brakes lack openness when installed on a vehicle, the amount of air taken into the vents is not always sufficient, and as vehicles become larger and faster, heat dissipates even more. A superior in performance is desired.
本発明は上記の如き事情に鑑みてなされた亀のであシ、
ベンチレーテッドロータにおいて、通気孔へ、空気を積
極的に取シ入れ、かつ熱発生部において乱流による熱伝
達を併起させて熱放散性能の部上を計ることを目的とし
ている。The present invention has been made in view of the above-mentioned circumstances.
In a ventilated rotor, the purpose is to actively take in air into the ventilation holes and simultaneously cause heat transfer through turbulence in the heat generating section to improve heat dissipation performance.
本発明に係るベンチレーテッドロータを図面に基いて説
明する。A ventilated rotor according to the present invention will be explained based on the drawings.
第１図は、ロータ上半部の断面端面を示す。FIG. 1 shows a cross-sectional end face of the upper half of the rotor.
１はロータ本体であシ、２はロータのフランジ部であシ
、車両の回転部たる車軸等への取付孔２ａを股、けであ
る。ロータの摺動摩擦部３の内部には横断面形状が円形
をなす複数個の通気孔４を放射状に設けである。通気孔
４にはベンチュリー効果を与えるために中間部に縮径部
４ａを設けである。通気孔４は、その下端に第１空気取
入口４ｂ、その上方位置に第２空気取入口４ｃを設け、
かつロータ本体１の正回転によル空気を効果的に第２空
気取入口４ｃに導入するためにその後縁にフィン３＆を
設けである。第３空気取入口４ｄは通気孔の縮径部４＆
の両側に対向して設けられ、ベンチュリー効果によシ通
気孔４に積極的に外部空気を吸引するようにしである。Reference numeral 1 is a rotor body, 2 is a flange portion of the rotor, and a mounting hole 2a for mounting on an axle or the like, which is a rotating part of a vehicle, is provided. A plurality of ventilation holes 4 having a circular cross section are radially provided inside the sliding friction portion 3 of the rotor. The ventilation hole 4 is provided with a reduced diameter portion 4a in the middle to provide a Venturi effect. The ventilation hole 4 has a first air intake port 4b at its lower end, a second air intake port 4c at an upper position thereof,
Further, in order to effectively introduce air into the second air intake port 4c by forward rotation of the rotor body 1, a fin 3& is provided at the rear edge. The third air intake port 4d is the reduced diameter portion 4 &
The vent holes 4 are provided facing each other on both sides of the vent holes 4, and are designed to actively draw outside air into the vent holes 4 by the Venturi effect.
通気孔４の先端寄シにはタービュレンスプロモータ（乱
流促進体）５を固定しである。なお縮径部４ａから先方
への拡大角度は５〜６度が好ましく、かつこの面は粗い
方が乱流形成上よい。タービュレンスプロモータは、第
２図（イ）、（ロ）に、その−例の構造を示すように、
通気孔４内壁に当接して固定作用をなす４個の係止片部
５ ａ 、 ５ ａ’ 、 ５ ａ“、５Ｂ＃と、通気
孔４の軸線に対して斜行して通気孔４先端方向に延在し
て乱流を発生させる４個の羽根５ｂ。A turbulence promoter (turbulence promoter) 5 is fixed to the tip of the ventilation hole 4. Note that the angle of expansion from the diameter-reduced portion 4a toward the front is preferably 5 to 6 degrees, and the rougher this surface is, the better in terms of turbulent flow formation. The structure of the turbulence promoter is shown in Figure 2 (a) and (b) as an example.
Four locking pieces 5a, 5a', 5a'', 5B# that come into contact with the inner wall of the vent hole 4 to perform a fixing action, and a tip of the vent hole 4 that extends obliquely to the axis of the vent hole 4. Four blades 5b extend in the direction to generate turbulent flow.
５ ｂ’ 、 ５ ｂ’ 、 ５ ｂ″′とで形成され
ている。更にその形成過程を詳述する。第３図（イ）に
示すように係止片部５ａを形成するための突片５ＧＩＬ
と突片５゜息の根元よシ通気孔４の内壁に添う曲線部を
有する羽根部５゜ｂとよルなる薄金属板５ｏを点線で示
す個所にてそれぞれ反対方向に折シ曲げて第３図（ロ）
に示す如く円弧状の係止片部５ａと通気孔４の軸線に斜
行する羽根５ｂとを形成する。同様にして係止片部５
ｍ’と羽根５ｂ’、係止片部５ａ“と羽根５Ｖ１係止片
部５ ａ”と羽根５ ｂ”を形成して、それぞれの係止
片部５１Ｌ、５ａ’。5b', 5b', and 5b'''.The formation process will be explained in detail.As shown in FIG. 5GIL
From the base of the protruding piece 5°, the blade portion 5°b and the thin metal plate 5o having a curved portion along the inner wall of the ventilation hole 4 are bent in opposite directions at the points indicated by dotted lines to form a third blade. Figure (b)
As shown in the figure, an arcuate locking piece 5a and a blade 5b oblique to the axis of the ventilation hole 4 are formed. Similarly, the locking piece 5
m' and the blade 5b', the locking piece part 5a'' and the blade 5V1, the locking piece part 5a'' and the blade 5b'' are formed, respectively, and the locking piece parts 51L and 5a'.
５ａ“、５＆＃の反対側の端面を突き合せて溶接して一
体としてタービュレンスプロモータ５を形成する。又第
４図（イ）に示す如く、両側に係止片部５ ａ 、 ５
ａ’を形成する突片５’０＆ １５’６ａ’と、突片
５’６ａ １５′。ａ′の根元よシ通気孔４の内壁に添
う曲線部を有する羽根部５′ｏｂ 、 ５’、ｂ’とよ
りなる薄金属板５／を中央の一点鎖線個所にて直角に折
シ曲げ、而る後に円弧状の係止片部５＆と係止片部５＆
′とを互に反対方向に折シ曲げ、更に通気孔４の軸線に
斜行する羽根５ ｂ 、 ５ ｂ’を形成し、同様にし
て係止片部５ ａ” 、 ５ ａ”と羽根Ｓｔ／’。The opposite end surfaces of 5a'', 5&# are brought together and welded to form the turbulence promoter 5 as one body.As shown in FIG. 4(a), there are locking pieces 5a, 5 on both sides.
Projecting pieces 5'0 &15'6a' forming a', and projecting pieces 5'6a 15'. A thin metal plate 5/ made up of blade parts 5'ob, 5', and b' having a curved part along the inner wall of the ventilation hole 4 from the root of a' is bent at right angles at the dot-dashed line in the center. After that, the arc-shaped locking piece portion 5& and the locking piece portion 5&
' are bent in opposite directions to form vanes 5b and 5b' that extend obliquely to the axis of the ventilation hole 4, and in the same manner, the locking pieces 5a" and 5a" and the vane St are formed. /'.
５ｂ″とを形成した他の部材とを一点鎖線個所曲げ部を
突合せて溶接して一体としてもよい。5b'' may be welded together with the bent portions at the dashed-dotted line butted against each other to be integrated.
なお、係止片部５ ａ 、 ５ ａ’ 、 ５ ｍ’
、 ５ ａ”の通気孔４内壁への固定は、接着剤にて固
着させてもよく、又通気孔４内壁に突起を設けて、ター
ビュレンスプロモータ５を挿入後に若干回動させて係止
片部５ ａ 、 ５ ａ’ 、 ５ ａ’ 、 ５ ａ
Ｍの端面を該突起に係合させて脱出止めとしてもよい。In addition, the locking pieces 5a, 5a', 5m'
, 5 a'' may be fixed to the inner wall of the vent hole 4 with adhesive, or a protrusion may be provided on the inner wall of the vent hole 4 and the turbulence promoter 5 may be rotated slightly after insertion to attach the locking piece. Part 5 a, 5 a', 5 a', 5 a
The end face of M may be engaged with the protrusion to prevent it from coming off.
第５図には、タービュレンスプロモータとして別の構造
例を示す。このタービュレンスブロモータ５′は、比較
的厚板よりなり十字形断面をなす係止片部５’ ａとそ
の先端につる巻形の羽根５’ ｂを固定しである。かか
る比較的厚板にて係止片部５’ ａを形成した場合には
通気孔４内壁への固定は圧入にてなされ得る。FIG. 5 shows another structural example of a turbulence promoter. This turbulence blow motor 5' is made of a relatively thick plate and has a locking piece 5'a having a cross-shaped cross section, and a spiral blade 5'b fixed to the tip of the locking piece 5'a. When the locking piece 5'a is formed of such a relatively thick plate, it can be fixed to the inner wall of the vent hole 4 by press fitting.
いずれにせよ、タービュレンスプロモータは下流側に乱
流を生じる羽根状体であればよい。In any case, the turbulence promoter may be any blade-like body that generates turbulent flow on the downstream side.
本発明に係るベンチレーテッドロータは、上記の如くに
構成されているので、ロータ本体１が回転すると、通気
孔４には、第１空気取入口４ｂよυの空気、フィン３ａ
に案内されてその前方に設けられた第２空気取入口４Ｃ
よりの空気、及び前記の空気が縮径部４ａな通過する際
に生じるベンチュリー効果によって第３空気取入口４ｄ
よりの補給空気が通気孔４に導入され、タービュレンス
プロモータ５を通過して乱流を生じる。制動時に図外の
パッドが摺接してロータの摺動摩擦部３，３に生じた熱
は、空気の流れが層流の際に取シ去る熱量よりもうす温
度伝導率に相幽する分だけ余分に熱を取シ去シ、かつ縮
径部４色のベンチュリー効果による増加空気量と相俟っ
て熱放散性能が部上する。Since the ventilated rotor according to the present invention is configured as described above, when the rotor main body 1 rotates, the air of υ from the first air intake port 4b flows into the ventilation hole 4, and the fins 3a
The second air intake port 4C is guided by and provided in front of the second air intake port 4C.
The third air intake port 4d is caused by the Venturi effect that occurs when the air passes through the reduced diameter portion 4a.
More make-up air is introduced into the vent 4 and passes through the turbulence promoter 5 creating turbulence. During braking, the heat generated in the sliding friction parts 3, 3 of the rotor due to the sliding contact of the pads (not shown) is more than the amount of heat removed when the air flow is laminar, by the amount compensated by the low temperature conductivity. Combined with the increased amount of air due to the Venturi effect of the four colors of the reduced diameter parts, the heat dissipation performance is improved.
本考案に係るベンチレーテッドロータは、ロータの内部
に放射状の通気孔を設け、該通気孔の側壁に空気取入口
を具備した縮径部を形成し、縮径部の先端側に該通気孔
の軸線方向に斜行して延在する翼を備えたタービュレン
スプロモータを固定した。従って、従来のベンチレーテ
ッドロータに比し、多量の空気を通気孔に取入れること
ができ、かつ乱流効果による熱伝導率の増加によって熱
放散性能の勝れたベンチレーテラドロータを提供できた
。The ventilated rotor according to the present invention has radial ventilation holes provided inside the rotor, a reduced diameter portion with an air intake port formed on the side wall of the ventilation hole, and the ventilation hole provided on the tip side of the reduced diameter portion. A turbulence promoter with wings extending obliquely in the axial direction was fixed. Therefore, compared to conventional ventilated rotors, it is possible to provide a ventilated rotor that can take in a large amount of air into the ventilation holes and has superior heat dissipation performance due to increased thermal conductivity due to the turbulence effect. Ta.
第１図は、本発明に係るベンチレーテッドロータの上半
部の断面端面図、第２図（イ）は本発明に係るタービュ
レンスプロモータの一例を示す正面図、第２図（ロ）は
同側面図、第３図（イ）、（ロ）及び第４図（イ）、（
ロ）はそれぞれタービュレンスプロモータの形成過程の
説明図、第５図はタービュレンスプロモータの他の例を
示す側面図である。
にロータ本体、３：（ロータの）摺動摩擦部、３ａ、：
フイン、４：通気孔、４＆：縮径部、４ｂ：第１空気取
入口、４Ｃ：第２空気取入口、４ｄ：第３空気取入口、
５ 、５’ ：タービュレンスプロモータ、５ａ、５ａ
’、５ｍ“、５／’：係止片部１５ｂ、５ｂ’、５♂、
５ｂ”：羽根、５ｏ：薄金属板、５ｏ＆：突片、５ｏｂ
＝羽根部。
代理人弁理士 前 １） 利 ２第２図
（イ）
（［ｌ）
ｂ
第５図
５′
第３図
第４図
（ロ）FIG. 1 is a cross-sectional end view of the upper half of the ventilated rotor according to the present invention, FIG. 2 (A) is a front view showing an example of the turbulence promoter according to the present invention, and FIG. 2 (B) is Same side view, Figure 3 (a), (b) and Figure 4 (a), (
B) is an explanatory diagram of the formation process of a turbulence promoter, and FIG. 5 is a side view showing another example of a turbulence promoter. rotor body, 3: sliding friction part (of the rotor), 3a:
fin, 4: ventilation hole, 4 &: reduced diameter part, 4b: first air intake port, 4C: second air intake port, 4d: third air intake port,
5, 5': Turbulence promoter, 5a, 5a
', 5m'', 5/': Locking piece part 15b, 5b', 5♂,
5b": Feather, 5o: Thin metal plate, 5o&: Projection, 5ob
= Feather part. Representative Patent Attorney 1) Li 2 Figure 2 (a) ([l) b Figure 5 5' Figure 3 Figure 4 (b)
Claims (1)
孔の側壁に空気取入口を具備した縮径部を形成し、縮径
部の先端側に該通気孔の軸線方向に斜行して延在する翼
を備えたタービュレンスブロモータを固定したことを特
徴とするベンチレーテッドロータ。1. A radial ventilation hole is provided inside the rotor, a reduced diameter part with an air intake is formed on the side wall of the ventilation hole, and a diameter-reduced part with an air intake port is formed on the tip side of the reduced-diameter part, extending obliquely in the axial direction of the ventilation hole. A ventilated rotor characterized by a fixed turbulence blow motor with extending wings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10997182A JPS591825A (en) | 1982-06-28 | 1982-06-28 | Ventilated rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10997182A JPS591825A (en) | 1982-06-28 | 1982-06-28 | Ventilated rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS591825A true JPS591825A (en) | 1984-01-07 |
| JPH0143850B2 JPH0143850B2 (en) | 1989-09-22 |
Family
ID=14523793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10997182A Granted JPS591825A (en) | 1982-06-28 | 1982-06-28 | Ventilated rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591825A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3539640C1 (en) | 1985-11-08 | 1986-10-09 | Bayerische Motoren Werke AG, 8000 München | Brake disc for a disc brake of a motor vehicle |
| DE3908655A1 (en) * | 1989-03-16 | 1990-09-20 | Bayerische Motoren Werke Ag | Vehicle brake with a brake disc |
| DE19546732A1 (en) * | 1995-12-14 | 1996-11-28 | Daimler Benz Ag | Disc brake ventilated disc with radially inner hub part |
| WO1997021042A1 (en) * | 1995-12-05 | 1997-06-12 | T & N Technology Limited | Ventilated brake disc |
| WO1997048918A1 (en) * | 1996-06-19 | 1997-12-24 | T & N Technology Limited | Disc brake rotor |
| EP2025534A1 (en) * | 2007-08-03 | 2009-02-18 | Skoda Auto A.S. | Brake disc with axial cooling |
| CN105114496A (en) * | 2015-09-02 | 2015-12-02 | 启东市宏威针织有限公司 | Ventilated disc |
-
1982
- 1982-06-28 JP JP10997182A patent/JPS591825A/en active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3539640C1 (en) | 1985-11-08 | 1986-10-09 | Bayerische Motoren Werke AG, 8000 München | Brake disc for a disc brake of a motor vehicle |
| DE3908655A1 (en) * | 1989-03-16 | 1990-09-20 | Bayerische Motoren Werke Ag | Vehicle brake with a brake disc |
| DE3908655C2 (en) * | 1989-03-16 | 1995-09-28 | Bayerische Motoren Werke Ag | Vehicle brake with a brake disc |
| WO1997021042A1 (en) * | 1995-12-05 | 1997-06-12 | T & N Technology Limited | Ventilated brake disc |
| US6119820A (en) * | 1995-12-05 | 2000-09-19 | Federal-Mogul Technology Limited | Ventilated brake disc |
| DE19546732A1 (en) * | 1995-12-14 | 1996-11-28 | Daimler Benz Ag | Disc brake ventilated disc with radially inner hub part |
| WO1997048918A1 (en) * | 1996-06-19 | 1997-12-24 | T & N Technology Limited | Disc brake rotor |
| US6116387A (en) * | 1996-06-19 | 2000-09-12 | T&N Technology Limited | Disc brake rotor |
| EP2025534A1 (en) * | 2007-08-03 | 2009-02-18 | Skoda Auto A.S. | Brake disc with axial cooling |
| CN105114496A (en) * | 2015-09-02 | 2015-12-02 | 启东市宏威针织有限公司 | Ventilated disc |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0143850B2 (en) | 1989-09-22 |
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