GB2211899A - Friction clutch unit - Google Patents

Friction clutch unit Download PDF

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Publication number
GB2211899A
GB2211899A GB8824578A GB8824578A GB2211899A GB 2211899 A GB2211899 A GB 2211899A GB 8824578 A GB8824578 A GB 8824578A GB 8824578 A GB8824578 A GB 8824578A GB 2211899 A GB2211899 A GB 2211899A
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GB
United Kingdom
Prior art keywords
clutch
presser plate
starting
combustion engine
internal combustion
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
Application number
GB8824578A
Other versions
GB2211899B (en
GB8824578D0 (en
Inventor
Kurt Faedler
Harald Jeppe
Herbert Berwind
Heinrich Memmel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Sachs AG
Original Assignee
Fichtel and Sachs AG
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 Fichtel and Sachs AG filed Critical Fichtel and Sachs AG
Publication of GB8824578D0 publication Critical patent/GB8824578D0/en
Publication of GB2211899A publication Critical patent/GB2211899A/en
Application granted granted Critical
Publication of GB2211899B publication Critical patent/GB2211899B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/08—Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)

Description

1 2211899 Friction clutch unit The invention relates to a friction clutch
unit, consisting of a separator clutch between the crank-shaft of an internal combustion engine and a rotatably mounted flywheel and of a starting and change-speed clutch between flywheel and a gear shaft, where the two clutches are actuatable in succession by means of a common mechanical release system and the starting and change-speed clutch is actuatable in a first release travel range and the separator clutch is actuatable in a second release travel range following the first as regards travel distance.
Such a friction clutch unit is known by way of example from DE-OS No. 2, 931,515. In this known friction clutch unit' a release system is used which actuates the two clutches in succession. Here sometimes a pressedtype diaphragm spring clutch with additional release levers is used, sometimes the release movement is transmitted through a rod in the hollow gear shaf t. In all cases relatively expensive lever mechanisms are provided - at least for the transmission of the release action to the separator clutch.
It is therefore the problem of the present invention to improve a friction clutch unit of the known style of construction to such effect that it is possible to use as few and as simple components as possible and that it is possible to guarantee reliable operation over a long life.
This problem is solved in accordance with the invention by the characteristic of the Main Claim. By f orming the starting and changespeed clutch as a pulled-type diaphragm
2 - spring clutch it is guaranteed that few components are present with small three-dimensional construction expense. At the same time this clutch type is especially insusceptible to wear on the mutual application points of diaphragm spring and presser plate or cover. Due t o the corresponding arrangement of the diaphragm spring application to the side of the presser plate remote from the internal combustion engine through a middle circle of application and support on the external circumference on the cover and due to the arrangement of a releaser ring with axial spacing from the circle of application it is possible with one release system - namely the diaphragm spring - both to effect the influencing of the starting and change-speed clutch and - with an appropriately increased release distance - to actuate the change-speed clutch through the releaser ring. This formation of the friction clutch unit in accordance with the invention brings a compact form of construction and simple actuation, while all operational processes are easily governable due to the fact that they conform with clutch parts already manufactured in - large numbers. The selected form of embodiment is insensitive to high rotation rates, since the diaphragm spring is a selfcontained component. Moreover contact points of large area are present in both axial directions. Any occurring wear in the region of these contact points makes no difference to the release conditions.
In accordance with the invention it is further advantageous that the presser plate of the separator clutch is loaded through a dished spring in the direction towards the internal combustion engine and tie bolts reach from the presser plate into the releaser ring and are provided with adjusting elements. Thus without complications and with simple components the release force is transmitted from the diaphragm spring to the presser plate of the separator clutch. The adjusting elements provided in the form of nuts are here simply accessible from the gear side.
A magnet housing, which is part of a fly-wheel starter generator and at the same time possesses a friction face for the clutch disc of the separator clutch and is rotatably mounted on the crank-shaft between the clutches and the internal combustion engine, here pertains to the parts of the fly-wheel. Thus by way of this magnet housing it is possible to accelerate the rotating parts of the flywheel and to start the internal combustion engine through the separator clutch.

Claims (5)

  1. According to a further Claim the construction of the friction clutch unit
    in the axial direction is laid down. This assembly renders possible a space-saving style of construction with a very small number of individual parts in an uncomplicated manner of construction.
    The invention will next be explained in greater detail by reference to an example of embodiment:
    The illustration shows the longitudinal section through a friction clutch unit, wherein all parts - with the exception of the housing 6 of the internal combustion engine and parts of the release system 5 - are mounted rotatably about the common axis 33 of rotation. The drive takes place through the crank-shaft 3 of the internal combustion engine.
    A journal 30 is secured to the crank-shaft 3 through securing screws 28. The securing screws 28 at the same time secure the clutch disc 8 of the separator clutch 1. Two anti-friction bearings 31 which carry the magnet housing 14 are arranged with spacing from one another on the external circumference of the journal 30. The axial fastening of the magnet housing 14 takes place through the cover 29. On the internal diameter of the magnet housing 14 there are arranged magnets 15 which lie opposite to coils 16 which again are arranged fast on the cover 6. This system of magnets 15 and coils 16 can be used both as starter and as generator. In the region of the side of the magnet housing 14 remote from the internal combustion engine the separator clutch 1 and the starting and changespeed clutch 2 are arranged. The magnet housing 14 has a friction face 18 for clamping in the friction linings of the clutch disc 8.. The pertinent presser plate 25 is mounted fast in rotation but axially displaceably on the housing parts of the friction clutch unit. The counter-presser plate 17 and likewise the clutch cover 19 pertain to these housing parts. A dished spring 26 is arranged between counter-presser plate 17 and presser plate 25. The clutch disc 7 of the starting and change-speed clutch 2 is arranged between counterpresser plate 17 and presser plate 20. The presser plate 20 is arranged likewise fast in rotation but axially displaceably in the clutch cover 19. The clutch disc 7 is fitted fast in rotation on the gear shaft 4 through a toothing. The gear shaft 4 reaches into the journal 30 and is there mounted by means of the pilot bearing 32. The presser plate 20 of the starting and change-speed clutch 2 is controlled by a diaphragm spring 9 which is supported with its external circumference through a support ring 12 on the clutch cover 19 and on a smaller diameter through the support circle 11 on the presser plate 20. Moreover a securing ring 13 for securing the diaphragm spring 9 is arranged in the clutch cover 19. The spring tongues 10 of the diaphragm spring 9 reach radially inwards and a release system 5 engages behind them. To initiate the release movement the release system 5 is moved, by a release lever (not shown), in the direction of the arrow F away from the friction clutch unit. Radially outside the presser plate 20 in the clutch cover several circumferentially distributed tie bolts 22 are provided which for the one part reach into the presser plate 25 of the separator clutch 1 and for the other part - pointing away from the magnet. housing 14 penetrate the clutch cover 19, are guided at an axial distance therefrom by a releaser ring 21 and are provided with an adjusting nut 23 each. The releaser ring 21 is held in abutment on the adjusting nuts 23. by an appropriate number of springs 24. The releaser ring 21 reaches so far radially inwards that with a projection 34 approximately in the region of the circle 11 of contact it has a spacing of the magnitude X from the diaphragm spring 9. Securing screws 27, which connect the clutch cover 19 and the counter-presser plate 17 with the magnet housing 14, are provided circumferentially between the tie bolts 22.
    Now the function of the friction clutch unit is as follows No starter is required for the starting of the internal combustion engine, since the magnets 15 and the coils 16 function as starter generator. Both clutches 1 and 2 are disengaged, in that the release system is displaced in the direction of the arrow F, whereby firstly the presser plate 20 of the starting and change-speed clutch 2 is released, and after the distance X has been travelled, by way of the releaser ring 21 and the tie bolts 22 the presser plate 25 of the separator clutch 1 is released. In this condition all freely rotating masses which are mounted by the antifriction bearings 31 can be set in rotation by means of the starter generator 15, 16, whereupon by subsequent engagement of the separator clutch 1 the crank-shaft 3 is driven and the internal combustion engine is started. The components constituting these rotating masses include the following: magnet housing 14, magnets 15, counter-presser plate 17, clutch cover 19, presser plate 25, presser plate 20, dished spring 26, diaphragm spring 9, releaser ring 21, tie bolts 22 and the rotating parts of the release system 5. This mass, which as a whole is very large, - once set in motion is capable of starting the internal combustion engine. After the starting operation the parts 15 and 16 can be switched to act as generator. The actuation of the starting and change-speed clutch 2 by means of the release system 5 takes place in the customary manner, the actuation of the separator clutch 1 taking place only in a release region which in travel path adjoins the release region of the starting and change-speed clutch 2.
    The arrangement of the friction clutch unit has a construction which is simple as a whole, essential parts being of conventional nature and thus being problem-free as regards their operational behaviour and their wear behaviour. This relates especially to the starting and change-speed clutch 2, which is made in the form of a pulled-type clutch. This clutch construction type is distinguished in that even with slight wear in the region of the circle 11 of contact between presser plate 20 and diaphragm spring 9, no play occurs in the release system and the clutch behaviour is in principle maintained even over a long life. Furthermore clutches of this construction type are very unaffected by rotation rate, and make few individual parts suffice. The arrangement of the releaser ring 21 on the side of the clutch system remote from the internal combustion engine renders possible a very easy adjustment of the distance X by the adjusting nuts 23.
    8 Claims l.) Friction clutch unit, consisting of a separator clutch (1) between the crank-shaft (3) of an internal combustion engine and a rotatably mounted fly-wheel mass (14 159 17 19 251 209 269 95 212 22) and of a starting and change-speed clutch (2) between the fly-wheel mass and a gear shaft (4), the two clutches being actuatable in succession through a common mechanical release system (5), the starting and change-speed clutch (2) being actuatable in a first release distance range and the separator clutch (1) being actuatable in a second release distance range adjoining the first range, as regards travel distance, characterised in that a) the starting and change-speed clutch (2) is made as diaphragm spring clutch of pulled-type construction style with release movement securing (F) directed away from the internal combustion engine, b) the diaphragm spring (9) of the starting and change-speed clutch (2) is arranged on the side of the pertinent presser plate (20) remote from the internal combustion engine and is supported with the external circumference on a component (19) fast with the cover and by w - ay of a smaller diameter over a support circle (11) on the presser plate (20) and c) in the release action the diaphragm spring (9) comes to abut, on the side remote from the presser plate (20) approximately in the region of the support circle (11), after travelling the idle distance (X), on a releaser ring unit (21, 22) which - grasping externally round the presser plate (20) - has a releasing action upon the separator clutch (1).
  2. 2.) Friction clutch unit according to Claim 1, characterised in that the separator clutch (1) comprises a presser plate (25) which is loaded by a dished spring (26) in the direction towards the internal combustion engine and tie bolts (22) reach from the presser plate (25) into the releaser ring (21) and are provided with adjusting elements (23).
  3. 3.) Friction clutch unit according to Claims 1 and 2, characterised in that the fly-wheel between the clutches (1, 2) and the internal combustion engine consists inter alia of a magnet housing (14) mounted rotatably on the crank-shaft of the internal combustion engine, which housing for the one part is formed as part of a fly-wheel starter generator (15, 16) and for the other part comprises, on the side remote from the internal combustion engine, a friction face (18) for the clutch disc (8) of the separator clutch (1).
  4. 4.) Friction clutch unit according to Claims 1 to 3, characterised in that following upon the friction face (18) - facing away from the internal combustion engine - the following components are arranged: - clutch disc (8) and presser plate (25) of the separator clutch (1), dished spring (26), counter-presser plate (17) of the starting and change- speed clutch (2), clutch disc (7) and presser plate (20) of the starting and change-speed clutch (2), diaphragm spring (9) and releaser ring (21).
  5. 5.) A friction clutch unit substantially as hereinbefore described with reference to the accompanying drawing.
    I. Z 1>ublished 1989 atThe Patent Office, StateHouse,66.71 Mgh HolbornLondonWC1R4TP.Pmther copies mkvbe obtainedfrom The Patent Office. Sales Branch. St Mary Oray. Orpington, Kent BR5 3RD- Printed by multipiex techruques ltc' St Mary Cray, Kent, Con. 1187 Q - -. - --_, - j. -- -- ---- j _------- -- -- --- ---, --- - -
GB8824578A 1987-11-03 1988-10-20 Friction clutch assembly Expired - Fee Related GB2211899B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3737229A DE3737229C2 (en) 1987-11-03 1987-11-03 Friction clutch unit

Publications (3)

Publication Number Publication Date
GB8824578D0 GB8824578D0 (en) 1988-11-23
GB2211899A true GB2211899A (en) 1989-07-12
GB2211899B GB2211899B (en) 1991-07-17

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ID=6339655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8824578A Expired - Fee Related GB2211899B (en) 1987-11-03 1988-10-20 Friction clutch assembly

Country Status (3)

Country Link
DE (1) DE3737229C2 (en)
FR (1) FR2622656B1 (en)
GB (1) GB2211899B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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DE4303303C1 (en) * 1993-02-05 1994-02-17 Freudenberg Carl Fa Automotive transmission system with clutch - has auxiliary clutch preventing relative rotation of torsional-vibration damper ring and operated simultaneously with main clutch
DE4323602A1 (en) * 1993-07-09 1995-01-12 Mannesmann Ag Drive arrangement for a hybrid vehicle
DE10016604B4 (en) * 2000-04-04 2011-09-22 Zf Sachs Ag Dual clutch assembly
US6364042B1 (en) * 2000-04-26 2002-04-02 Ford Global Technologies, Inc. Method and apparatus for coupling an engine and transmission with a starter/alternator
FR2831861B1 (en) * 2001-11-08 2004-03-12 Peugeot Citroen Automobiles Sa PROPULSION SYSTEM FOR A MOTOR VEHICLE
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Also Published As

Publication number Publication date
FR2622656B1 (en) 1993-12-31
DE3737229A1 (en) 1989-05-18
GB2211899B (en) 1991-07-17
GB8824578D0 (en) 1988-11-23
DE3737229C2 (en) 1996-06-05
FR2622656A1 (en) 1989-05-05

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