CN103174768A

CN103174768A - Wet clutch

Info

Publication number: CN103174768A
Application number: CN2012105678002A
Authority: CN
Inventors: J·阿诺尔德
Original assignee: Schaeffler Technologies AG and Co KG
Current assignee: Schaeffler Technologies AG and Co KG
Priority date: 2011-12-23
Filing date: 2012-12-24
Publication date: 2013-06-26
Anticipated expiration: 2032-12-24
Also published as: DE102012221653A1; CN103174768B

Abstract

The present invention relates to a wet clutch having a first sub-clutch, a second sub-clutch and a clutch casing; wherein the first sub-clutch and the second sub-clutch are surrounded by the clutch casing; the wet clutch has a rotor arranged in the clutch casing, the rotor is rotatably arranged on a stator; the first sub-clutch and the second sub-clutch respectively have an internal friction piece support and an external friction piece support, the internal friction piece support is connected with the rotor in a non-relative rotation way, the external friction piece support is connected with an input shaft of a transmission; wherein the clutch casing has a torque input element, a torque can be transmitted to the rotor from the torque input element through the clutch casing; the clutch casing consists of at least two parts, the at least two parts of the clutch casing are connected within a torque transmission path by means of dismountable connection under prestress.

Description

Wet clutch

Technical field

The present invention relates to a kind of wet clutch, have one first sub-clutch, especially have one second sub-clutch, and have a clutch housing, wherein, the first sub-clutch and especially the second sub-clutch basically surrounded by clutch housing.

Background technique

This wet clutch is known in the prior art.Here, the clutch of so-called wet type operation is known, wherein, two sub-clutches are received in a housing, borrow and organize them, the input side torque for example is assigned to or is transferred on two output elements from explosive motor, thereby described torque for example can be connected on two transmission input shafts.

This clutch can be for example known by DE102011009419A1.Here, described wet clutch has a housing, and it advantageously can be configured to two-part, has the simple advantage of assembling.But, also can without damage dismantle when needed in order to make clutch, need to be arranged in the connection of torque flow.This connection is known, and in this connected, two can interconnective part connect by the sealed connection set of shape.Because not only driving moment occurs at driving side clutch is in service, and at slave end, moment of inertia appears, and explosive motor additionally produces alternation moment, if this connection is not seamlessly to consist of, just become the unacceptable click sound of generation autoist and tingtang a reason.

Summary of the invention

Thereby task of the present invention is, a kind of wet clutch is provided, and it guarantees low noise ground operation when alternation moment occurring, but also consists of simply.

According to the present invention, the wet clutch of the feature of this task by having claim 1 solves.

according to a preferred embodiment, this wet clutch has first a sub-clutch and second a sub-clutch and a clutch housing, wherein, the described first and second sub-clutches are surrounded by described clutch housing, also has a rotor that is arranged in clutch housing, this rotor is placed on stator rotationally, wherein, the first sub-clutch and especially the second sub-clutch respectively have an inner attrition piece support and an outside friction disc support, at least one inner attrition piece support with rotor without being connected with relatively rotating, at least one outside friction disc support can be connected with a transmission input shaft, wherein, clutch housing has a torque input element, torque can be delivered on rotor by clutch housing from this torque input element, wherein, clutch housing is configured to two-part at least, and at least two parts of clutch housing are by being under prestressing force, dismountable connection and connecting in the transmission of torque circuit.Here, these two part connections under prestressing force make this connection gapless substantially enduringly, and, even do not occur when alternation moment occurring yet interfering tingtang or click sound.This is because the torque transfering element of these parts forms contact or keeps in touch, rather than backstop (collision) just occurs when alternation moment occurring and produce the interference noise when these local collisions.

The multi-clutch of this wet clutch thereby the operation of advantageously a kind of wet type as double clutch, has two sub-clutches.But also can consist of the single clutch of a wet type operation in alternative.The layout of input friction disc support and output friction plate support also can change.

Here, for the double clutch of wet type operation advantageously, this wet clutch is configured with first a sub-clutch and second a sub-clutch, and wherein, two sub-clutches preferably are adjacent to arrange in the axial direction.What this moment was favourable can be that the friction plate of a sub-clutch is arranged on identical radial height basically with the friction plate of another sub-clutch.Realize thus, two clutches can be arranged side by side with saving in the radial direction installing space.

Advantageously, in one embodiment, clutch housing has one substantially in the part of extending in the radial direction and a part of extending substantially in the axial direction, and they can interconnect by dismountable connection.Here, clutch housing can advantageously be constructed like this, makes it also have two substantially in the part of extending in the radial direction.At this, such part is clutch cover, and its carrying is used for receiving the input element of the torque that drives motor; Another such part can be the bottom of clutch tank.This part be the clutch tank in the part of extending in the radial direction, it advantageously with rotor without being connected with relatively rotating.The part of extending in the axial direction advantageously consists of the zone of the general cylindrical shape basically of clutch tank, consists of columnar clutch tank skin.

Here advantageously, be clutch cover or clutch pot bottom in the part of extending in the radial direction, wherein also advantageously, the part of extending in the axial direction is the clutch tank skin of general cylindrical shape basically.

In another embodiment also advantageously, a part of clutch housing has at least one breach, and at least two elements of another part are embedded in described breach under prestressing force and are supported on the opposed fringe region of this breach.Also particularly advantageous be this moment, and this part has a plurality of breach and this another part has many two such elements, and wherein, every two elements embed in a breach.Here also advantageously, described a plurality of breach are arranged on roughly the same or regular distribution ground at the circumference of clutch housing.Obtain thus the well distributed of the torque that imports.

Particularly advantageously be, an element in described element be basically rigidity and another element in described element flexibly consist of.Here advantageously, see in a circumferential direction, this basically the extension size of the element of rigidity select like this, make its resiliently deformable slightly at least only not obviously or only under normal operating condition.On the contrary, this element that flexibly consists of extends aspect size definite so in a circumferential direction at it, makes it have suitable elasticity and two elements are clamped in the acceptance division of breach like this, so that the prestressing force that can obtain wishing.

Particularly advantageously be, two elements, i.e. the element of rigidity and flexible element basically basically are made of a part integratedly and turn up the soil and consist of in the space.This makes these elements and this part can make and not produce assembly cost in a manufacture process, because these elements and this part can jointly be made.In an alternative embodiment, described element also can separate formation and coupled with described part.Its advantage may be, and these elements consist of together with this part and cause significant instrument cost, and this cost can be saved by the structure of double-body bike, and is perhaps former thereby be favourable when being not suitable for because material is selected.

In another embodiment also advantageously, at least one element of described another part is by another element radial overlap of first part.Obtain thus, therefore such distortion or bending, even under centrifugal forces affect, especially when high rotating speed, do not occur supported in the radial direction in the element that is overlapped: make the connection that produces by this element suffer damage.

In another embodiment also advantageously, for the axial connection relative to each other of described the first and second parts, a safety element is set also.This safety element for example is configured to ring-type element, supports described connection and makes this connection preferably locking along whole periphery.

Especially suitablely here be that described safety element by one in described part not only in the axial direction but also supported diametrically.This for example can realize thus: safety element as guard ring be inserted into a part in the groove of inner opening, but make this annular safety element radially outward be supported on bottom land, also can be supported in the axial direction on the sidewall of groove simultaneously.

Description of drawings

Below in conjunction with accompanying drawing, explain the present invention according to preferred embodiment.

Accompanying drawing illustrates:

The sectional view of a wet clutch of Fig. 1 has two sub-clutches of arranged in succession in the axial direction;

The schematic diagram of a wet clutch of Fig. 2;

The view of the clutch housing of a wet clutch of Fig. 3;

Fig. 4 with 3-D view describe with detailed drawing jaggy, this breach has the element that embeds in it;

Fig. 5 is with the detailed drawing jaggy of being with of sectional drawing description, and this breach has the element that embeds in it;

The detailed drawing with an embodiment jaggy that Fig. 6 describes with 3-D view, this breach have the element that embeds in it;

Fig. 7 is according to the detail drawing of the breach of Fig. 6;

The detailed drawing with embodiment jaggy according to Fig. 6 that Fig. 8 describes with 3-D view, this breach have the element that embeds in it;

Fig. 9 is according to the detail drawing of the breach of Fig. 6, and

The detailed drawing with another embodiment jaggy that Figure 10 describes with 3-D view, this breach have the element that embeds in it.

Embodiment

Fig. 1 illustrates wet clutch 1, and it also can be called as double clutch or two wet clutch, with semi-section, wet clutch 1 is shown at this.Wet clutch 1 comprises first a sub-clutch 2 and second a sub-clutch 3 here.The first sub-clutch 2 and the second sub-clutch 3 here see in the axial direction and be arranged in juxtaposition, and wherein, the size of radially extending of the first sub-clutch is compared roughly suitable with the radially extension size of the second sub-clutch.Find out at configuration with in extending the zone of the slightly different friction disc supports outside aspect big or small, yet, if look from connecting web 18, friction plate aspect their radially extension size about equally.

The first sub-clutch 2 and the second sub-clutch 3 are here surrounded basically by clutch housing 4, wherein, clutch housing 4 is made of clutch tank 5 and clutch cover 6, and they are rotatably connected and mutually by a connecting element or take element 7 shapes mutual axial restraint and locking in locking manner.Clutch tank 5 has basically circular bottom section 8 here, this bottom section 8 can with one basically columnar wall zone 9 be connected.Particularly advantageous can be this moment, and bottom section 8 is configured to one with columnar wall zone 9, for example makes integratedly by pull and stretch.

Clutch cover 6 shape in its radial outer end section 10 is connected with the end regions 11 in the cylindrical wall zone 9 of clutch tank 5 in locking manner.This connection prevents accidental release by the connecting element 7 as locking element.But clutch cover is without damage opened in this locking permission when needed.

The first inner attrition piece support 12 is arranged on clutch housing 4 inside, this the first inner attrition piece support 12 is connected with clutch housing 4 nothings with relatively rotating, wherein, the first inner attrition piece support 12 of clutch housing 4 and sub-clutch 2 all is connected with a driving side member 13.This is connected to and advantageously is configured to here be welded to connect or constructs by ca(u)lk (Verstemmung).Inner attrition piece support 12 is configured to L shaped basically, and wherein, leg 14 is basically parallel to base section 8 orientations of clutch tank.Another leg 15 of this inner attrition piece support here is orientated substantially in the axial direction, and carries a plurality of inner attrition pieces 16 of the first sub-clutch 2.These inner attrition pieces 16 here without being connected with the leg 15 of inner attrition piece support 12 with relatively rotating.Can see, inner attrition piece 16 is arranged with being spaced from each other spacing, thereby can arrange an outside friction disc 17 between every two inner attrition piece 16.

Outside friction disc 17 is connected with outside friction disc support 19 by web 18 nothings at radially outer with relatively rotating.The second sub-clutch 3 has the structure identical with the first sub-clutch substantially, wherein, inner attrition piece support 20 see in section also be configured to basically L shaped, has one at the first leg 21 that extends in the radial direction and second leg 22 that extends in the axial direction, wherein, the second leg 22 carrying inner attrition pieces 23, these inner attrition pieces 23 are connected with the second leg 22 nothings of inner attrition piece support 20 with relatively rotating.This nothing is connected in relative rotation here and can advantageously realizes by the sealed connection of the shape between friction plate and inner attrition piece support.Here, the connection sealed as shape can arrange, and friction plate has a kind of tooth section in inner radial, and this tooth section is movable in the corresponding teeth section of respective type of inner attrition piece support.In sub-clutch 3, inner attrition piece 23 is also to consist of with being spaced from each other spacing, wherein, also arrange an outside friction disc 24 between every two inner attrition pieces 23, these outside friction discs 24 are connected with outside friction disc support 26 nothings by web 25 at radially outer respectively with relatively rotating.

Two outside friction disc supports 19 and 26 respectively have a

zone

27,28 of extending in the axial direction, and this

zone

27,28 also is used for making outside friction disc without being connected with the outside friction disc support with relatively rotating.Here can find out, compare with outside friction disc support 26, outside friction disc support 19 is not only observed in the axial direction and is constructed longlyer, and overlaps diametrically outside friction disc support 26.In addition, two outside friction disc supports 19,26 also respectively have one in the

zone

29,30 of extending in the radial direction, and they are arranged and extend radially inwardly in abutting connection with clutch cover 6 respectively.Be provided with outside

tooth section element

31,32 on the inner radial end regions of friction disc support, the outside friction disc support can each be connected with a transmission input shaft in inner radial by these

teeth sections element

31,32.

In order to support axial force, the rotor 33 that is placed in rotationally on stator 34 is settled and supports in inner radial with respect to outside friction disc support 26 by thrust-bearing 35 in the axial direction.Outside friction disc support 26 is supported on outside friction disc support 19 and with respect to this outside friction disc bracket supports through thrust-bearing 36 again, wherein, this outside friction disc support 19 is supported on clutch cover 6 and with respect to its rotatably support by thrust-bearing 37 in inner radial again.

In addition, in order to operate each

sub-clutch

2,3, but respectively be provided with the piston-

cylinder unit

40,41 of a hydraulic control.

Fig. 2 illustrates the schematic diagram according to wet clutch 100 of the present invention, and this wet clutch 100 is configured to double clutch.Wet clutch 100 has an input element 102 here, and this input element 102 is connected with clutch housing 101.

Clutch housing 101 has a clutch cover 103 and a clutch tank 104 here, and wherein, clutch tank 104 has a cylindrical area 105 of extending in the axial direction and one basically at the bottom section 106 that extends in the radial direction.

Clutch housing 101 surrounds the first sub-clutch 107 and the second sub-clutch 107 of sub-clutch 108, the first and the second sub-clutch 108 can be by hydraulic actuator 109,110 hydraulic operations.Here, friction plate is connected with inner attrition piece support 111 nothings with relatively rotating, as inner attrition piece 112,113.These friction plates contact with 115 frictions in locking manner with outside friction disc 114 in the clutch closing course, and outside friction disc 114 is connected with outside

friction disc support

116 or 117 nothings with being connected with relatively rotating.

Each can connect with a transmission input shaft 120,121 the outside friction disc support by being in diametrically inner tooth section 118,119.Can see in addition, the offtake 122 that for example is used for pump impeller can be connected with clutch housing.

Clutch housing advantageously is configured to two-part at least, wherein, separating or connect preferably of two parts carried out in zone 123 or in zone 124, because can dismantle or install sub-clutch 107 by the opening of clutch housing in

zone

123 and 124 with taking off clutch housing, 108 or other member of clutch, thus clutch can correspondingly be maintained when maintenance.

Fig. 3 illustrates from the outside according to wet clutch 200 of the present invention, wherein can see clutch housing 201, and it is comprised of clutch cover 202 and clutch tank 203.Clutch cover 202 is constructed to such an extent that be connected with input element 204, and this input element 204 is configured to tooth section element.Clutch cover 202 is connected with clutch tank 203 by the sealed connection of shape.

The sealed connection 205 of this shape forms by lug 206, and lug 206 is configured on this clutch cover and basically extends in the axial direction.At lug 206 amongs, a breach 207 is arranged, in axial direction embed two elements 208,209 in this breach 207.These two elements 208,209 are configured to reed, and wherein, element 208 has the elongated area that observation is relatively large in a circumferential direction and sees in a circumferential direction and can be configured to the member of rigidity basically.Tongue 209 is seen in a circumferential direction and is constructed narrowlyer, therefore sees in a circumferential direction flexibly to be configured to the springing element.Two elements 208,209 separate by the groove 210 that consists of between them.In the breach 207 that two elements 208,209 embed between every two lugs 206, and be bearing in respectively in a circumferential direction on a side end zone of lug.This means, lug 208 is bearing on the element 206 adjacent with it in a circumferential direction, and element 209 is bearing on another element that consists of this breach 206 in a circumferential direction equally.

Two elements 208,209 consist of like this, make them embed respectively between two elements 206 under prestressing force and respectively abut under prestressing force on the side margin of an element 206.This makes, even alternation moment occurs on element 204 at input side, the connection between

member

202 and 203 also can not clang or click sound.

In addition, for the connection between

member

202 and 203 is noted that the lug 206 that extends in the axial direction above radially outer extends to clutch tank 203 in the axial direction, make the clutch tank caught by mistake lug 206 in the radial direction at radially outer.Also can see, element 209 not only splits by free space 210 but also by the free space 211 of arranging at opposite side, but is configured to thus the element of elastic movement.

Can see in addition the safety element 212 of annular, it and element 208,209 shapes connect in locking manner, thereby this safety element is inserted into element 208 in inner radial, in 209 groove, thereby be held by inserting in this groove in the axial direction, wherein, clutch cover is arranged between clutch tank and safety element, thus in the axial direction with respect to the clutch tank by axially locking.

Fig. 4 illustrates clutch tank 203 together with a part of this layout of clutch cover 202.

Clutch tank 203 is orientated and has the element 208,209 of the spacing of being spaced from each other substantially in the axial direction on its front end area 213, wherein, element 208 is relatively wide dentation elements, and it is seen in a circumferential direction and does not basically have flexibility or elasticity.On the contrary, element 209 to narrow, element that have two adjacent breach 210,211, is configured to the dentation element of springing as read fortune in a circumferential direction.Now, two

elements

208 and 209 abut on the side of element 206 between the element 206 of clutch cover 202, make two outer surfaces of

element

208 and 209 see in a circumferential direction on a side that is bearing in respectively in a circumferential direction an adjacent protuberance 206.Lug 206 has protuberance 214, the element that this protuberance 214 is configured to widen in a circumferential direction and radial overlap element 209, thus element 209 is being supported on element 214 in the radial direction.

Its advantage is that under centrifugal action, element 209 can not move and bending by radially outward, but is fixed in its radial position by element 214.Can see in addition, element 209 consists of on its front edge with cutting sth. askew, makes it possible to assembling element 203,204 simply.When in the axial direction clutch cover being shifted onto on the clutch tank, due to the importing oblique angle on element 209, this element is loaded at least slightly, thereby generation prestressing force, by this prestressing force, two elements 208,209 are loaded by the counter element 206 towards clutch cover.

Can see safety element 212 in addition, it extends in a circumferential direction as guard ring.This safety element is a ring with basic rectangular cross section, and it is embedded into below radially in groove in element 208,209, thereby clutch cover can be fixed between this safety element and element 203 in the axial direction.Even elastic element 208,209 can be loaded in a circumferential direction, should fixingly also keep, since recess 215, the groove of namely processing on element 208,209 in inner radial, translation invariant in a circumferential direction, thus, even when element 209 moves due to certain loading with respect to element 208, therefore element 212 can not change its position yet.

Fig. 5 illustrates the view of the breach 250 between lug 206, this breach 250 forms like this: lug wherein, arranges a breach 250 at the lug among from substantially crooked in the axial direction in clutch cover 251 beginnings of extending in the radial direction, breach 250 is cut out, rather than crooked.Embedded components 252,253 in this breach 250 now, they are spaced apart by gap 254.Can see, element 252 sees it is the element of a larger extension in a circumferential direction, and this element only has very little until there is no elasticity in a circumferential direction.On the contrary, element 253 sees to have relatively narrow configuration in a circumferential direction, be configured to elastic element, and see in a circumferential direction when alternation moment occurring and can make a concession, referring to arrow 255,256, make two end regions 257 of element 252 and 253,258 abut in respectively on the fringe region 259,260 of breach 250.See in a circumferential direction, element 252 roughly has the twice or three times width of element 253.

Fig. 6 illustrates another alternative of the connection between clutch cover 300 and clutch tank 301, wherein, clutch cover 300 is configured to basically only extending in the radial direction, the radially outer lug according to Fig. 4 is not crooked in the axial direction, but clutch cover 300 has the opening 302 of a correspondence, corresponding element 303 and corresponding element 304 can embed in this opening 302 in the axial direction, and element 303 is configured to basically not have the element of flexibility, and element 304 is configured to flexible member.In addition, element 303 has again the groove of a processing on radially inner side, and guard ring 305 can be inserted in this groove again, in order to make in the axial direction two elements 300,301 locking toward each other.

Fig. 7 illustrates the clutch cover 300 with breach 302, wherein can find out, breach 302 has the bottom 306 of basically extending in a circumferential direction, sees in a circumferential direction, and this bottom 306 extends on identical radial height substantially, namely on identical radius.With bottom 306, an edge 307 is set relatively, it also extends on identical radial height in a circumferential direction.Yet should see in a circumferential direction the not whole width of extend through opening in zone 307, but have respectively the outstanding widening portion 308,309 of radially outward on end regions, breach 302 has larger radial height in these widening portions 308,309.This zone 307 is also as the radially abutment face of element 303,304, make these elements under centrifugal action also supported in the radial direction.

Fig. 8 illustrates element 303,304 and embeds in breach 302, wherein can see, the outer edge zone may 310 of element 303 is supported on the wall 311 of this breach, and in a relative side, the wall 312 of element 304 abuts on the inwall 313 of being correlated with therewith of breach 302.

Element

303 and 304 also is being supported on respectively on zone line 207 in the radial direction, thereby guarantees the support to centrifugal force.Also can see for the groove 314 that receives safety element 305.Favourablely in addition can be, element 304 be chamfered, thereby obtains importing the oblique angle, thereby reaches cooperation when installing on clutch tank 301 clutch cover 300 is pushed away, and wherein, element 304 is loaded in a circumferential direction slightly, also causes simultaneously thus prestressing force.

Fig. 9 illustrates the part according to the clutch tank 301 of Fig. 6, and wherein, element 303 can be regarded outstanding in the axial direction tooth as.Also can see element 304, it is also outstanding in the axial direction, and wherein, it axially has a those widened sections 315 in front area, this those widened sections makes the bending of element 304 see in a circumferential direction and is limited, 315 of elements by backstop on a sidewall of element 303.

Can see in addition, the front area of element 304 is reducing aspect its radial height.This zone is provided with reference character 316, can see, this zone has the only about half of radial height of element 304 in its other extension.This also is used for the axial restraint of clutch cover, because only anterior protuberance 316 opening 302 that can pass clutch cover stretches out, thereby the wall of clutch cover can be supported on the lower area 317 of element 304.

Figure 10 illustrates another embodiment, and wherein, the element 303,304 of Fig. 9 is configured to element 350,351, is adjacent to be provided with element 352 with these two elements, and this element 352 extends on the substantially whole extension of breach 302, and does not have elastic reaction.Also can see, element 351 has elastic arm 353, and this elastic arm is not only directed in the axial direction as the arm 318 of Fig. 9, but arm 353 general arrangement are L shaped and have an also directed zone in a circumferential direction.This makes element 351 not only be configured with in a circumferential direction flexibility, and is also flexible in the axial direction.Its advantage is that the deviation when connecting clutch cover and clutch tank also can be compensated in the axial direction.

Reference numerals list

1 wet clutch

2 first sub-clutches

3 second sub-clutches

4 clutch housings

5 clutch tanks

6 clutch covers

7 connecting element or take element

8 rounded bottom are regional

9 cylindrical walls are regional

10 radially outer ends

11 end regions

12 first inner attrition piece supports

13 driving side parts

14 legs

15 legs

16 inner attrition pieces

17 outside friction discs

18 webs

19 outside friction disc supports

20 inner attrition piece supports

21 legs

22 legs

23 inner attrition pieces

24 outside friction discs

25 webs

26 outside friction disc supports

27 zones

28 zones

29 zones

30 zones

31 tooth section elements

32 tooth section elements

33 rotors

34 stators

35 thrust-bearings

36 thrust-bearings

37 thrust-bearings

40 piston-cylinder units

100 wet clutches

101 clutch housings

102 input elements

103 clutch covers

104 clutch tanks

105 zones

106 bottom sections

107 first sub-clutches

108 second sub-clutches

109 hydraulic actuators

110 hydraulic actuators

111 inner attrition piece supports

112 inner attrition pieces

113 inner attrition pieces

114 outside friction discs

115 outside friction discs

116 outside friction disc supports

117 outside friction disc supports

118 tooth sections

119 tooth sections

120 transmission input shafts

121 transmission input shafts

122 offtakes

123 zones

124 zones

200 wet clutches

201 clutch housings

202 clutch covers

203 clutch tanks

204 input elements

205 connect

206 lugs

207 breach

208 rigid elements

209 tabs

210 grooves

211 free spaces

212 safety elements

213 end regions

214 protuberances

215 grooves

250 breach

251 clutch covers

252 elements

253 elements

254 gaps

255 alternation moments

256 alternation moments

257 end regions

258 end regions

259 fringe regions

260 fringe regions

300 clutch covers

301 openings

303 elements

304 elements

305 guard rings

306 bottoms

307 edges

308 widening portions

309 widening portions

310 fringe regions

311 walls

312 walls

313 inwalls

314 grooves

315 widening portions

316 protuberances

317 zones

318 arms

350 elements

351 elements

352 elements

353 elastic arms.

Claims

1. wet clutch, it has a clutch housing, this clutch housing has at least a clutch cover and and drives tank, wherein, described clutch housing surrounds the input friction disc support that can be connected with drive unit or be connected with drive unit and the output friction plate support that can be connected with transmission input shaft or be connected with transmission input shaft, and, described clutch cover be connected the driving tank and be under prestressing force by one and preferred dismountable connection and connecting in the transmission of torque route.

2. wet clutch according to claim 1, it is characterized in that, described wet clutch has a rotor that is arranged in this clutch housing, this rotor is placed on stator rotationally, wherein, without being connected, described at least one outside friction disc support can be connected with a transmission input shaft described at least one inner attrition piece support with relatively rotating with described rotor.

3. wet clutch according to claim 1 and 2, it is characterized in that, described wet clutch has one first sub-clutch and one second sub-clutch, and the described first sub-clutch and the second sub-clutch are adjacent in the axial direction or are nestedly arranging in the radial direction.

4. the described wet clutch of any one according to claim 1 to 3, it is characterized in that, the clutch cover of described clutch housing be one substantially in the part of extending in the radial direction and consist of the input end of described clutch housing, the driving tank of described clutch housing comprises a part of extending substantially in the axial direction and one in the part of extending in the radial direction and forms the outlet side of described clutch housing, and they interconnect by preferred dismountable connection.

5. the described wet clutch of any one according to claim 1 to 3, it is characterized in that, the driving tank of described clutch housing comprises one in the part of extending in the radial direction and a part of extending in the axial direction and forms the input side of described clutch housing, wherein, the clutch cover of described clutch housing comprises one in the part of extending in the radial direction and forms the outlet side of described clutch housing.

6. according to the described wet clutch of any one in aforementioned claim, it is characterized in that, a part of described clutch housing has at least one breach, and at least two elements of another part are embedded in described breach under prestressing force and are supported on the opposed fringe region of described breach.

7. wet clutch according to claim 6, is characterized in that, in described element one be basically rigidity and described element in another be configured to flexible.

8. according to claim 6 or 7 described wet clutches, is characterized in that, described two units are made of a described part integratedly and turn up the soil in the space consists of.

9. according to the described wet clutch of any one in aforementioned claim, it is characterized in that, described connection comprises at least one join domain, wherein, described at least one join domain comprises a breach that preferably consists of and a dentation protuberance that preferably consists of and an elastic element that also preferably consists of in driving tank in driving tank in clutch cover, wherein, protuberance and elastic element embed in described breach and abut on the different sides edge of this breach.

10. wet clutch according to claim 9, is characterized in that, described elastic element has the groove of an one, can assemble with prestressed described connection.

11. according to claim 9 or 10 described wet clutches is characterized in that, described connection also comprises the protuberance of the dentation that at least one is other except described join domain, and the width of the protuberance that this is other is greater than the width of the first dentation protuberance.

12. according to claim 9 to 11, the described wet clutch of any one, is characterized in that, comprises a plurality of join domains along circumferential distribution.

13. the described wet clutch of any one according to claim 9 to 12, it is characterized in that, described breach forms in clutch cover above two dentation protuberances that radially extend, and, at least one in described protuberance has an extending portion that extends in a circumferential direction, and described extending portion overlaps at least at least in part described elastic element also thereby forms a centrifugal force and supports.

14. wet clutch according to claim 13 is characterized in that, in described clutch cover two described dentation protuberances that radially extend axially the described driving tanks of overlap joint fringe region and thereby form a centrifugal force and support.

15. the described wet clutch of any one according to claim 9 to 12, it is characterized in that, described clutch cover has a fringe region of closed annular in a circumferential direction, in this zone, described relief configuration is through hole, described dentation protuberance and described elastic element embed in described through hole, thereby form the breach of a closure, and this breach forms a centrifugal force and supports.

16. according to the described wet clutch of any one in aforementioned claim, it is characterized in that, axially connect toward each other in order to make described the first and second parts, also be provided with a safety element.

17. wet clutch according to claim 16 is characterized in that, described safety element by a part in described part not only by axially support but also by radial support.

18. according to the described wet clutch of any one in aforementioned claim, it is characterized in that, described elastic element is axially extended, perhaps, described elastic element is crooked in plan view.

19. wet clutch, has first a sub-clutch, a second sub-clutch and have a clutch housing, wherein, the described first and second sub-clutches are surrounded by described clutch housing, this wet clutch also has a rotor that is arranged in described clutch housing, described rotor is placed on a stator rotationally, wherein, the described first sub-clutch and the second sub-clutch have respectively at least one inner attrition piece support and at least one outside friction disc support, described at least one inner attrition piece support with described rotor without being connected with relatively rotating, described at least one outside friction disc support can be connected with a transmission input shaft, wherein, described clutch housing has a torque input element, torque can be delivered on described rotor by described clutch housing from this torque input element, wherein, described clutch housing double-body bike ground at least consists of, at least two parts of described clutch housing are in the dismountable connection under prestressing force by one and connect in the transmission of torque route.