DE102021201316A1 - Device and method for actuating a clutch of a vehicle - Google Patents

Abstract

A device (100, 100') for actuating a clutch (200) of a vehicle (300), in particular a passenger car, has: a master cylinder (20) and a master piston (21) guided therein for actuating the clutch (200). Clutch pedal (10) which, when used as intended, is mounted rotatably about an axis (11), a connecting element (40, 40') which, when used as intended, is connected to the clutch pedal ( 10) and is connected to the master piston (21), and an adjusting device (50, 50'), wherein the clutch pedal (10) is arranged to, in response to an actuation of the clutch pedal (10) by a user via the connecting element ( 40, 40') to cause the clutch (200) to be actuated, and the adjustment device (50, 50') is set up to determine a distance between the pivot point (12) and the master piston (21) in response to receipt of a control signal. to change to actuate the clutch (200).

Description

The present invention relates to a device and a method for actuating a clutch of a vehicle, in particular a passenger car.

In vehicle technology, manual transmissions and automatic transmissions are used to change a gear in the vehicle. In the field of manual transmissions, systems are also known in which the clutch can be actuated not only manually but also automatically. The automated actuation can, for example, optimize the actuation of the clutch for a recuperation mode and/or a coasting mode of electric and/or hybrid vehicles, and the start/stop function can be implemented in order to reduce fuel or energy consumption. Here, the driving comfort for the user in stop-and-go traffic can be improved in particular by implementing the start/stop function. These known systems are extremely complex and highly integrated with the drive train.

An object of an embodiment of the present invention is to improve a method for actuating a clutch and a device for carrying out the method.

This object is achieved by a device having the features of claim 1 and a method having the features of claim 8 . Advantageous embodiments of the invention are the subject matter of the dependent claims.

• einen Geberzylinder und einen darin geführten Geberkolben zum Betätigen der Kupplung,
• ein Kupplungspedal, das bei bestimmungsgemäßem Gebrauch um eine Achse drehbar gelagert ist,
• ein Verbindungselement, das bei dem bestimmungemäßen Gebrauch an einem von der Achse verschiedenen Anlenkpunkt mit dem Kupplungspedal verbunden ist, und mit dem Geberkolben verbunden ist, und
• eine Verstelleinrichtung, wobei
• das Kupplungspedal dazu eingerichtet ist, als Reaktion auf eine Betätigung des Kupplungspedals durch einen Benutzer über das Verbindungselement zu bewirken, dass die Kupplung betätigt wird, und
• die Verstelleinrichtung dazu eingerichtet ist, als Reaktion auf einen Empfang eines Steuersignals einen Abstand zwischen dem Anlenkpunkt und dem Geberkolben zu verändern, um die Kupplung zu betätigen.

According to one aspect of the present invention, a device for actuating a clutch of a vehicle, in particular a passenger car, has:

• a master cylinder and a master piston guided in it for actuating the clutch,
• a clutch pedal which, when used as intended, is mounted so that it can rotate about an axis,
• a connecting element which, in the intended use, is connected to the clutch pedal at a pivot point different from the axis and is connected to the master piston, and
• an adjusting device, wherein
• the clutch pedal is configured to cause the clutch to be applied via the link in response to a user actuating the clutch pedal, and
• the adjusting device is set up to change a distance between the pivot point and the master piston in response to receiving a control signal in order to actuate the clutch.

In this way, in one embodiment, a vehicle with a manual transmission, in which the actuation of the clutch is possible both manually and automatically, can be equipped quickly, easily and inexpensively. In particular, this only slightly changes an existing clutch and hydraulic system concept of a vehicle in which only manual actuation of the clutch is possible, as a result of which the device can be easily integrated into this existing clutch and hydraulic system concept. In particular, in one embodiment, vehicles with a manual transmission, in which the clutch could previously only be actuated manually, can be retrofitted quickly, easily and inexpensively, so that the clutch can also be actuated automatically, since essentially only the connecting element replaced and the adjusting device added.

In one embodiment, the adjustment device has a drive device, in one embodiment an electric drive and/or a hydraulic drive, in order to change the distance between the pivot point and the master piston.

In this way, in one embodiment, the distance between the pivot point and the master piston can be changed in a simple manner in order to actuate the clutch.

In one embodiment, the connecting element has a first connecting section which, when used as intended, is connected to the clutch pedal at the pivot point different from the axis, and a second connecting section which is connected to the master piston, the adjusting device being set up to react upon receipt of the control signal, changing a distance between the first connection portion and the second connection portion to operate the clutch.

In this way, in one embodiment, the length of the connecting element can be changed in a simple manner in order to actuate the clutch.

In one embodiment, the connection element has a first connection part, which has the first connection section, and a second connection part, which has the second connection having section, wherein the adjusting device is configured to bring about a relative movement between the first connecting part and the second connecting part.

As a result, the connecting element can be implemented in a simple manner in one embodiment.

In one embodiment, the first connection part has a guide device that is set up to guide a movement of the second connection part relative to the first connection part, and the adjusting device has a drive device that is set up to move the second connection part, guided by the guide device to move relative to the first connecting part.

In this way, in one embodiment, the movement of the second connecting part can take place along a predetermined path.

In one embodiment, the guide device is designed as a cylinder, the second connecting part is designed as a piston rod of the master piston, and the drive device is set up to move the piston rod of the master piston relative to the cylinder.

In this way, in one embodiment, the movement of the second connecting part can be guided exactly.

In one embodiment, the drive device has a gear wheel, in particular a rack and pinion gear.

In this way, in one embodiment, the distance between the pivot point and the master piston can be set with high accuracy when the clutch is actuated.

• einen Geberzylinder und einen darin geführten Geberkolben zum Betätigen der Kupplung,
• ein Kupplungspedal, das um eine Achse drehbar gelagert ist,
• ein Verbindungselement, das an einem von der Achse verschiedenen Anlenkpunkt mit dem Kupplungspedal verbunden ist, und mit dem Geberkolben verbunden ist, und
• eine Verstelleinrichtung, die folgenden Schritte auf:
  1. a) Betätigen des Kupplungspedals durch einen Benutzer, um über das Verbindungselement zu bewirken, dass die Kupplung betätigt wird, oder
  2. b) Empfangen eines Steuersignals durch die Verstelleinrichtung und Verändern eines Abstands zwischen dem Anlenkpunkt und dem Geberkolben durch die Verstelleinrichtung,

als Reaktion auf den Empfang des Steuersignals, um die Kupplung zu betätigen.According to another aspect of the present invention, a method for actuating a clutch of a vehicle, in particular a passenger car, using a device for actuating a clutch of a vehicle, in particular a passenger car, which has:

• a master cylinder and a master piston guided in it for actuating the clutch,
• a clutch pedal which is pivoted around an axis,
• a link connected to the clutch pedal at a pivot point different from the axle and connected to the master piston, and
• an adjusting device, the following steps:
  1. a) Depressing the clutch pedal by a user to cause the clutch to engage via the link; or
  2. b) receiving a control signal by the adjusting device and changing a distance between the pivot point and the master piston by the adjusting device,

in response to receiving the control signal to actuate the clutch.

In this way, in one embodiment, a vehicle with a manual transmission, in which the actuation of the clutch is possible both manually and automatically, can be equipped quickly, easily and inexpensively. In particular, this only slightly changes an existing clutch and hydraulic system concept of a vehicle in which only manual actuation of the clutch is possible, as a result of which the device can be easily integrated into this existing clutch and hydraulic system concept. In particular, in one embodiment, vehicles with a manual transmission, in which the clutch could previously only be actuated manually, can be retrofitted quickly, easily and inexpensively, so that the clutch can also be actuated automatically, since essentially only the connecting element replaced and the adjusting device added.

In one embodiment, the adjustment device has a drive device, in particular an electric drive and/or a hydraulic drive, in order to change the distance between the pivot point and the master piston.

In this way, in one embodiment, the distance between the pivot point and the master piston can be changed in a simple manner in order to actuate the clutch.

In one embodiment, the connecting element has a first connecting section, which is connected to the clutch pedal at the pivot point that differs from the axis, and a second connecting section, which is connected to the master piston, wherein in step b) the adjustment device is activated in response to the receipt of the Control signal changes a distance between the first connection portion and the second connection portion to actuate the clutch.

In this way, in one embodiment, the length of the connecting element can be changed in a simple manner in order to actuate the clutch.

In one embodiment, the connecting element has a first connecting part, which has the first connecting section, and a second connecting part, which has the second connecting section, with the adjusting device in step b) in response to the receipt of the control signal causing a relative movement between the first connecting part and causes the second connection part.

As a result, the connecting element can be implemented in a simple manner in one embodiment.

In one embodiment, the first connecting part has a guide device which is configured to guide a movement of the second connecting part relative to the first connecting part, and the adjusting device has a driving device which, in response to receiving the control signal, guides the second connecting part by the guide means, relative to the first connecting part.

In this way, in one embodiment, the movement of the second connecting part can take place along a predetermined path.

In one embodiment, the guiding device is designed as a cylinder and the second connecting part is designed as a piston rod of the master piston, the drive device moving the piston rod of the master piston relative to the cylinder in response to receiving the control signal.

In this way, in one embodiment, the movement of the second connecting part can be guided exactly.

In one embodiment, the drive device has a gear wheel, in particular a rack and pinion gear.

In this way, in one embodiment, the distance between the pivot point and the master piston can be set with high accuracy when the clutch is actuated.

According to another aspect of the present invention, a vehicle, in particular a passenger car, has a device as described above for actuating a clutch of a vehicle and a clutch, in particular the clutch being coupled to the master cylinder via a slave cylinder and a pressure line.

• 1 ein Fahrzeug nach einer Ausführung der vorliegenden Erfindung;
• 2 eine Vorrichtung zur Betätigung einer Kupplung eines Fahrzeugs nach einer Ausführung der Erfindung in einem ersten Betriebszustand;
• 3 die in 2 gezeigte Vorrichtung in einem zweiten Betriebszustand;
• 4 die in den 2 und 3 gezeigte Vorrichtung in einem dritten Betriebszustand;
• 5 eine Vorrichtung zur Betätigung einer Kupplung eines Fahrzeugs nach einer anderen Ausführung der Erfindung; und
• 6 ein Flussdiagramm zur Veranschaulichung eines Verfahrens nach einer Ausführung der vorliegenden Erfindung.

Further advantageous developments of the present invention result from the following description of preferred embodiments. This shows, partially schematized:

• 1 a vehicle according to an embodiment of the present invention;
• 2 a device for actuating a clutch of a vehicle according to an embodiment of the invention in a first operating state;
• 3 in the 2 device shown in a second operating state;
• 4 the in the 2 and 3 device shown in a third operating state;
• 5 a device for operating a clutch of a vehicle according to another embodiment of the invention; and
• 6 12 is a flow chart illustrating a method according to an embodiment of the present invention.

1 shows a vehicle according to an embodiment of the invention.

The vehicle 300, in one embodiment a passenger car, has a device 100, 100' for actuating a clutch 200 of a vehicle 300 according to one embodiment, a drive motor 301 of the vehicle, a transmission 302, a clutch 200, which is connected between the drive motor 301 and the Transmission 30 is shifted to carry out a clutch operation for engaging/changing a gear of the vehicle 300, and a slave cylinder 70 which is coupled via a pressure line 30 to a master cylinder, not shown, of the device 100, 100' to, in response to an actuation of the master cylinder to actuate the clutch 200.

2 shows a device for actuating a clutch of a vehicle, in particular a passenger car, according to an embodiment of the invention in a first operating state.

Device 100 for actuating a clutch 200 of a vehicle 300 has a master cylinder 20 with a master piston 21 guided therein, which via the in 1 Pressure line 30 shown with the in 1 shown slave cylinder 70 and a slave piston guided therein, which is adapted to actuate the clutch 200 as a reaction to an actuation of the master piston 21 . The device 100 further includes a clutch pedal 10, which is set up to be mounted rotatably about an axis 11 when the device 100 is used as intended, and is rotatably mounted on an axis 11 in the illustrated case, which is attached to a pedal block 60 or is part of it.

in 2 illustrated first operating state of the device 100, the device 100 is in a state in which the clutch 200 is not actuated or is. In this first operating state, the clutch pedal 10 is in a rear end position in which it is held by a pedal spring 80 which is attached to the pedal block 60 and to the clutch pedal 10 .

The device 100 also has a connecting element 40 and an adjustment device 50, the connecting element 40 being connected to the clutch pedal 10 and to the master piston 21 at a pivot point 12 different from the axle 11 when used as intended. Adjusting device 50 is connected to a control unit (not shown) of adjusting device 50 and/or vehicle 300 via signal lines (not shown) and is set up to receive a control signal from the control unit. In this case, the adjustment device 50 is set up to change a distance between the pivot point 12 and the master piston 21 in response to receiving a corresponding control signal from the control unit in order to actuate the clutch 200 . in 1 In the illustrated first operating state of the device 100, the adjusting device 50 is not activated, that is, the adjusting device 50 does not actuate the clutch 200 in the illustrated first operating state.

Connecting element 40 has a first connecting section 41, which when device 100 is used as intended, is connected to clutch pedal 10 at pivot point 12, which is different from axle 11 and spaced apart from it, and a second connecting section 42, which is connected to master piston 21 is. Adjusting device 50 is set up to change, in particular to increase, a distance between first connecting section 41 and second connecting section 42 in response to receiving the corresponding control signal, in order to press master piston 21 further into master cylinder 20 and thus the clutch 200 to press.

The connecting element 40 can have a first connecting part 43, which has the first connecting section 41, and a second connecting part 44, which has the second connecting section 42, and the adjusting device 50 can be set up to allow a relative movement between the first connecting part 43 and the second Connecting part 44, and thus a change in the distance between the pivot point 12 and the master piston 21 to cause.

in the in 2 illustrated embodiment of the device, the first connecting part 43 has a guide device 45 which is set up to guide a movement of the second connecting part 44 relative to the first connecting part 43, and the adjustment device 50 has a drive device which is set up to guide the second Connecting part 44, guided by the guide device 45, relative to the first connecting part 43 to move. In this case, the guide device 45 can be designed as a cylinder, the second connecting part 44 can be designed as a piston rod of the master piston 21, and the drive device can be set up to move the piston rod of the master piston 21 relative to the cylinder. The drive device can have an electric drive and/or a hydraulic drive, for example, in order to change the distance between the pivot point 12 and the master piston 21, in particular to move the piston rod of the master piston 21 relative to the cylinder and to the master cylinder 20.

Here, the clutch pedal 10 is also set up, independently of an actuation of the clutch 200 by the adjustment device 50, in response to an actuation of the clutch pedal 10 by a user, i.e. a depression of the clutch pedal 10, to disengage the clutch pedal 10 with reference to the 2 shown to rotate the plane of the drawing counterclockwise about the axis 11 to cause via the connecting element 40 or by means of the connecting element 40 that the master piston 21 is pressed further into the master cylinder 20 and thus the clutch 200 is actuated.

3 shows the in 2 Device 100 shown for actuating a clutch 200 of a vehicle 300 in a second operating state.

in the in 3 The second operating state of the device 100 shown is the clutch pedal 10 compared to that in FIG 2 The operating state shown is rotated counterclockwise about the axis 11 by an angle with respect to the plane of the drawing, and the adjusting device 50 is not activated, which means that the distance between the pivot point 12 and the master piston 21 compared to that in 2 illustrated first operating state is unchanged. By rotating the clutch pedal 10 about the axis 11 counterclockwise, however, by means of the compound tion element 40 causes the master piston 21 compared to the in 2 shown first operating state is pressed further into the master cylinder 20, and thus the clutch 200 is actuated.

4 shows the in the 2 and 3 Device 100 shown for actuating a clutch 200 of a vehicle 300 in a third operating state.

in the in 4 shown third operating state of the device 100, the clutch pedal 10 is in the same position as in FIG 2 shown second operating state. In this case, the clutch pedal 10 is in particular not as in 3 second operating state shown relative to that in 2 shown position of the clutch pedal 10 in the counterclockwise direction by an angle. However, was or is in the in 4 The third operating state shown activates the adjustment device 50 so that the distance between the pivot point 12 and the master piston 21 is changed, in particular increased, whereby the master piston 21 is compared to that in 2 shown first operating state was or is further pressed in master cylinder 20, and thus the clutch 20 was or is actuated.

5 Fig. 11 shows a device for operating a clutch of a vehicle according to another embodiment of the invention.

In the 5 The device 100′ shown essentially corresponds in terms of its construction and its mode of operation to that in FIGS 2 , 3 and 4 Device 100 shown for actuating a clutch 200 of a vehicle 300. However, in FIG 5 shown embodiment compared to the in the 2 , 3 and 4 Device 100 shown, the adjusting device configured differently, wherein the connecting element is provided with the reference number 40 'and the reference numbers of the components of the connection element 40' are also provided with a '''.

in the in 5 Device 100' shown for actuating a clutch 200 of a vehicle 300 has the adjustment device 50', in particular its drive device, a gear wheel 52', in particular a rack and pinion gear. In one embodiment, the drive device has a rack 51', the gear 52' and a motor 53', one selected from the rack 51' and the gear 52' being connected, in particular stationary, to the second connecting part 44' of the connecting element 40' relative to the second link 44', the gear 52' meshes with the rack 51' and the motor 53' is arranged to drive the gear 52' to rotate the second link 44' relative to the first link 43'. to move. in the in 5 In the embodiment shown, the rack 51' is fixed to the second connecting part 44' of the connecting element 40', while the gear 52' and the motor 53' are mounted on the axle 11 for rotation about the axle 11.

6 shows a flowchart to illustrate a method for actuating a clutch 200 of a vehicle 300, in particular a passenger car, using a device 100, 100 'for actuating a clutch 200 of a vehicle 300, in particular a passenger car, according to a with reference to the 2 , 3 , 4 or the 5 described execution.

In the method, either in step S10 the clutch pedal 10 is actuated by a user in order to cause the clutch 200 to be actuated via or by means of the connecting element 40, 40', or in step S20 a control signal is generated by the adjusting device 50, 50 'received and in response to the receipt of the control signal, the distance between the pivot point 12 and the master piston 21 by the adjusting device 50, 50' changed in order to actuate the clutch 200.

In the embodiment in which the connecting element 40, 40' has the first connecting section 41, 41', which is connected to the clutch pedal 10 at the pivot point 12 different from the axle 11, and the second connecting section 42, 42', the connected to the master piston 21, in step S20 the adjusting device 50, 50' changes the distance between the first connecting section 41, 41' and the second connecting section 42, 42' in response to receiving the control signal in order to actuate the clutch 200.

Furthermore, in the embodiment in which the connecting element 40, 40' has the first connecting part 43, 43', which has the first connecting section 41, 41', and the second connecting part 44, 44', which has the second connecting section 42, 42' , has, the adjusting device 50, 50' in step S20 in response to the receipt of the control signal bring about a relative movement between the first connecting part 43, 43' and the second connecting part 44, 44'.

In the embodiment in which the first connection part 43, 43' comprises the guiding means 45, 45', arranged to guide the movement of the second connection part 44, 44' relative to the first connection part 43, 43', and the adjustment means 50, 50' has the drive device, in response to receiving the control signal, the driving means can move the second link part 44, 44' guided by the guide means 45, 45' relative to the first link part 43, 43'.

In the embodiment in which the guide device 45, 45' is designed as a cylinder and the second connecting part 44, 44' is designed as a piston rod of the master piston 21, the drive device can, in response to receiving the control signal, move the piston rod of the master piston 21 relative to move the cylinder.

Reference List

10

clutch pedal

11

axis

12

pivot point

20

master cylinder

21

master piston

30

pressure line

40, 40'

fastener

41, 41'

first connection section

42, 42'

second connection section

43, 43'

first connector

44, 44'

second connector

45, 45'

guide device

50, 50'

adjusting device

51'

rack

52'

gear

53'

engine

60

pedal block

70

slave cylinder

80

pedal spring

100,100'

Device for actuating a clutch

200

coupling

300

vehicle

301

drive motor

302

transmission

Claims (15)

Device (100, 100') for actuating a clutch (200) of a vehicle (300), in particular a passenger car, having: a master cylinder (20) and a master piston (21) guided therein for actuating the clutch (200), a clutch pedal (10) which, when used as intended, is mounted so that it can rotate about an axis (11), a connecting element (40, 40') which, when used as intended, is connected to the clutch pedal (10) at a pivot point (12) different from the axle (11) and is connected to the master piston (21), and an adjusting device (50, 50'), wherein the clutch pedal (10) is arranged to cause the clutch (200) to be actuated in response to an actuation of the clutch pedal (10) by a user via the connecting element (40, 40'), and the adjusting device (50, 50') is set up to change a distance between the pivot point (12) and the master piston (21) in response to receiving a control signal in order to actuate the clutch (200). Device according to claim 1 , wherein the adjustment device (50, 50 ') has a drive device, in particular an electric drive and / or a hydraulic drive to change the distance between the pivot point (12) and the master piston (21). Device (100, 100') according to claim 1 or 2 , wherein the connecting element (40, 40') has a first connecting section (41, 41') which, when used as intended, is connected to the clutch pedal (10) at the pivot point (12) which is different from the axle (11), and a second has a connecting section (42, 42') which is connected to the master piston (21), and the adjusting device (50, 50') is set up to, in response to receiving the control signal, set a distance between the first connecting section (41, 41' ) and the second connecting portion (42, 42') to actuate the clutch (200). Device (100, 100') according to claim 3 , wherein the connecting element (40, 40') has a first connecting part (43, 43') which has the first connecting section (41, 41') and a second connecting part (44, 44') which has the second connecting section (42, 42'), and the adjusting device (50, 50') is set up to bring about a relative movement between the first connecting part (43, 43') and the second connecting part (44, 44'). Device (100, 100') according to claim 4 , wherein the first connection part (43, 43') has a guide device (45, 45') which is adapted to guide a movement of the second connection part (44, 44') relative to the first connection part (43, 43'). , and the adjusting device (50, 50') has a drive device which is set up to move the second connection part (44, 44'), guided by the guide device (45, 45'), relative to the first connection part (43, 43'). Device (100, 100') according to claim 5 , wherein the guide device (45, 45') is designed as a cylinder, the second connecting part (44, 44') is designed as a piston rod of the master piston (21), and the drive device is set up to move the piston rod of the master piston (21) relative to to move the cylinder. Device (100, 100') according to claim 5 or 6 , wherein the drive device has a gear (52 '), in particular a rack and pinion gear. Method for actuating a clutch (200) of a vehicle (300), in particular a passenger car, using a device (100, 100') for actuating a clutch (200) of a vehicle (300), in particular a passenger car, which has: a master cylinder (20) and a master piston (21) guided therein for actuating the clutch (200), a clutch pedal (10) which is rotatably mounted about an axis (11), a connecting element (40, 40') which is connected to the clutch pedal (10) at a pivot point (12) different from the axle (11) and is connected to the master piston (21), and an adjustment device (50, 50'), the method having the following steps: a) Actuating the clutch pedal (10) by a user to cause the clutch (200) to be actuated via the connecting element (40, 40'), or b) Receiving a control signal by the adjusting device (50, 50') and changing a distance between the pivot point (12) and the master piston (21) by the adjusting device (50, 50') in response to the receipt of the control signal in order to to actuate the clutch (200). procedure according to claim 8 , wherein the adjustment device (50, 50 ') has a drive device, in particular an electric drive and / or a hydraulic drive to change the distance between the pivot point (12) and the master piston (21). procedure according to claim 8 or 9 , wherein the connecting element (40, 40') has a first connecting section (41, 41') which is connected to the clutch pedal (10) at the pivot point (12) which differs from the axle (11), and a second connecting section (42, 42') which is connected to the master piston (21), and in step b) the adjusting device (50, 50') in response to receiving the control signal a distance between the first connecting section (41, 41') and the second Connection section (42, 42 ') changed to actuate the clutch (200). procedure according to claim 10 , wherein the connecting element (40, 40') has a first connecting part (43, 43') which has the first connecting section (41, 41') and a second connecting part (44, 44') which has the second connecting section (42, 42'), and the adjusting device (50, 50') in step b) causes a relative movement between the first connecting part (43, 43') and the second connecting part (44, 44') in response to the receipt of the control signal . procedure according to claim 11 , wherein the first connection part (43, 43') has a guide device (45, 45') which is adapted to guide a movement of the second connection part (44, 44') relative to the first connection part (43, 43'). , and the adjustment device (50, 50') comprises a drive device which, in response to receiving the control signal, moves the second connection part (44, 44') guided by the guide device (45, 45') relative to the first connection part (43 , 43') moves. procedure according to claim 12 , wherein the guide device (45, 45') is designed as a cylinder, the second connecting part (44, 44') is designed as a piston rod of the master piston (21), and the drive device moves the piston rod of the master piston (21 ) moved relative to the cylinder. procedure according to claim 5 or 6 , wherein the drive device has a gear (52 '), in particular a rack and pinion gear. Vehicle, in particular passenger car, having a device (100, 100 ') according to one of Claims 1 until 7 and a clutch (200), in particular the clutch (200) being coupled to the master cylinder (20) via a slave cylinder (70) and a pressure line (30).

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