GB1592814A - Friction clutch - Google Patents
Friction clutch Download PDFInfo
- Publication number
- GB1592814A GB1592814A GB7057/78A GB705778A GB1592814A GB 1592814 A GB1592814 A GB 1592814A GB 7057/78 A GB7057/78 A GB 7057/78A GB 705778 A GB705778 A GB 705778A GB 1592814 A GB1592814 A GB 1592814A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clutch
- friction rings
- friction
- hub
- rings
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Description
(54) FRICTION CLUTCH
(71) We, FICHTEL & SACHS AG, a German Body Corporate, of 62 Ernst-Sachs
Strasse, Schweinfurt, Germany, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: The present invention relates to a friction clutch, especially for motor vehicles, comprising a spring-loaded presser plate, a counterpressure plate and a clutch plate clamped in between the two with friction rings in the zone of contact with presser plate and counterpressure plate.
It is rings in sprung manner to the clutch order to render possible a smooth start-up operation by this springing. For the same purpose, different lining qualities are also used.
Both methods are only limitedly applicable, and in fact limits are set to the composition of the friction rings by the predetermined bursting rotation speed and the predetermined wear, and also limits are set to a substantial increase of the lining spring travel by the possible lift-away distance of the presser plate.
The present invention militates against snatching of motor vehicle friction clutches, with acceptable expense and without substantial interference with the construction of the other clutch parts.
According to the present invention we provide a friction clutch, more especially of a motor vehicle, having a hub carrying friction rings on axially opposite sides thereof, at least two of the friction rings being concentrically arranged one within the other on at least one side of the hub, characterised in that the said two friction rings are attached to the hub by spring segments which are separate from each other.
The two friction rings may have different
frictional characteristics whereby it is possible
to influence the pulling or snatch behaviour
of a clutch. Very different frictional
characteristics can differ greatly from one another in their typical operational properties
and therefore favourably influence one another.
By the allocation of different spring seg
ments to the two concentric frictions rings a
favourable influencing of the operational behaviour of the clutch -plate is possible. It is also possible with very little expense to realise unequal radial sizes of the individual friction rings and/or unequal degree of resilience. With the variation of these spring properties it is possible to exert positive influence upon the operating behaviour of the entire transmission, consisting of internal combustion engine, clutch, gears and axle drive. By way of example a very smooth clutch engagement operation can be achieved with the aid of unequal radial dimension, so that one friction ring comes into engagement earlier than the other. Likewise the engagement behaviour can be influenced positively by the variation of the degree of resilience in each case between two friction rings of one side.
A constructional form of the present invention will now be described, by way of example, with reference to the accompanying drawings, wherein: FIGURE 1 shows the partial view of a clutch made in accordance with the invention; and
FIGURE 2 shows a section of Figure 1.
Figures 1 and 2 show a partial view and the section A B of a clutch plate. On each side of the clutch plate there are provided two friction rings 1, 2 and 3, 4, arranged concen trically with one another. The friction rings on each side are disposed one within the other.
A hub conslsts of a main hub member 7 carrying two discs 10 with the interposition of torsion springs. The two friction rings on each one side of the clutch plate are connected with the associated disc 10 by a series of separate spring segments 5. The spring segments 5 are riveted to the discs 10. Each spring segment 5 comprises appropriate openings for securing the friction rings by means of rivets 6. The two side discs 10 are secured to each other and spaced from one another by means of rivets 9.
The operation of a clutch plate is as follows:
Each of the inner friction rings 2,4 is secured to its disc 10 by a series of spring segments 11, which are separate from each other and from the springs 5. Due to the division of these spring segments 5, 11 into two different forms of embodiment it is possible both readily to make to radial dimensions of the springs different from each other and to make the frictional characteristics unequal.
With this possibility of influence upon the axial springing of the friction rings, and in combination with the possibility of different material compositions for the friction rings themselves, very extensive possibilities of variation are given for the adaptation of the clutch plate to the operating behaviour of the entire transmission of a motor vehicle. Even without design modifications of the other clutch components it is possible, merely by the installation of a clutch plate according to the above proposals, quite considerably to improve the start-away behaviour of motor vehicles and to avoid the so-called snatching.
WIlAT WE CLAIM IS:
1. A friction clutch, more especially of a motor vehicle, having a hub carrying friction rings on axially opposite sides thereof, at least two of the friction rings being concentrically arranged one within the other on at least one side of the hub, characterised in that the said two friction rings are attached to the hub by spring segments which are separate from each other.
2. A clutch as claimed in claim 1 wherein two friction rings on each side, one within the other, are attached to the hub each by a series of separate springs.
3. A clutch plate as claimed in claim 1 or 2 characterised in that the friction rings which are concentrically arranged within one another, have different coefficients of friction.
4. A clutch substantially as described herein with reference to and as illustrated by the accompanying drawing.
5. A clutch as claimed in claim 1, substantially as hereinbefore described.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (5)
1. A friction clutch, more especially of a motor vehicle, having a hub carrying friction rings on axially opposite sides thereof, at least two of the friction rings being concentrically arranged one within the other on at least one side of the hub, characterised in that the said two friction rings are attached to the hub by spring segments which are separate from each other.
2. A clutch as claimed in claim 1 wherein two friction rings on each side, one within the other, are attached to the hub each by a series of separate springs.
3. A clutch plate as claimed in claim 1 or 2 characterised in that the friction rings which are concentrically arranged within one another, have different coefficients of friction.
4. A clutch substantially as described herein with reference to and as illustrated by the accompanying drawing.
5. A clutch as claimed in claim 1, substantially as hereinbefore described.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2716462A DE2716462C2 (en) | 1977-04-14 | 1977-04-14 | Friction clutch with at least two lining rings on the clutch disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1592814A true GB1592814A (en) | 1981-07-08 |
Family
ID=6006251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7057/78A Expired GB1592814A (en) | 1977-04-14 | 1978-02-22 | Friction clutch |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS53129753A (en) |
| BR (1) | BR7802250A (en) |
| DE (1) | DE2716462C2 (en) |
| ES (1) | ES467685A1 (en) |
| FR (1) | FR2387380B1 (en) |
| GB (1) | GB1592814A (en) |
| IT (2) | IT1108603B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701292C1 (en) * | 1997-01-16 | 1998-09-17 | Mannesmann Sachs Ag | Clutch disc with different coefficients of friction |
| DE102005023332A1 (en) | 2005-05-17 | 2006-11-30 | Zf Friedrichshafen Ag | Clutch disc for a clutch device |
| DE102012210070A1 (en) * | 2012-06-15 | 2013-12-19 | Zf Friedrichshafen Ag | Carrier element for a friction lining |
| DE102015218734A1 (en) | 2015-09-29 | 2017-03-30 | Schaeffler Technologies AG & Co. KG | Pad spring segments for clutch discs of a friction clutch |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1734598A (en) * | 1927-04-05 | 1929-11-05 | Henry N Schramm | Power-transmitting flexible coupling |
| US1864252A (en) * | 1930-02-01 | 1932-06-21 | Chrysler Corp | Clutch disk |
| US2058655A (en) * | 1934-10-12 | 1936-10-27 | Borg Warner | Friction clutch |
| US2135126A (en) * | 1934-10-24 | 1938-11-01 | Russell Mfg Co | Friction clutch |
| US2247690A (en) * | 1939-04-21 | 1941-07-01 | Borg Warner | Friction clutch plate |
| US2299028A (en) * | 1939-07-03 | 1942-10-13 | Borg Warner | Clutch plate |
| US3063530A (en) * | 1953-10-19 | 1962-11-13 | Gen Motors Corp | Clutch structure |
| FR1132609A (en) * | 1955-07-06 | 1957-03-13 | Ferodo Sa | Friction disc |
-
1977
- 1977-04-14 DE DE2716462A patent/DE2716462C2/en not_active Expired
-
1978
- 1978-02-13 IT IT67821/78A patent/IT1108603B/en active
- 1978-02-22 GB GB7057/78A patent/GB1592814A/en not_active Expired
- 1978-03-08 ES ES467685A patent/ES467685A1/en not_active Expired
- 1978-04-11 BR BR7802250A patent/BR7802250A/en unknown
- 1978-04-12 JP JP4308678A patent/JPS53129753A/en active Granted
- 1978-04-13 FR FR7811444A patent/FR2387380B1/en not_active Expired
- 1978-04-13 IT IT7853180U patent/IT7853180V0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2387380A1 (en) | 1978-11-10 |
| IT1108603B (en) | 1985-12-09 |
| JPS647244B2 (en) | 1989-02-08 |
| IT7867821A0 (en) | 1978-02-13 |
| DE2716462A1 (en) | 1978-10-19 |
| ES467685A1 (en) | 1978-10-16 |
| IT7853180V0 (en) | 1978-04-13 |
| JPS53129753A (en) | 1978-11-13 |
| DE2716462C2 (en) | 1985-08-29 |
| BR7802250A (en) | 1978-11-28 |
| FR2387380B1 (en) | 1986-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |