FR2637954A1 - Clutch control system - Google Patents

Clutch control system Download PDF

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Publication number
FR2637954A1
FR2637954A1 FR8813524A FR8813524A FR2637954A1 FR 2637954 A1 FR2637954 A1 FR 2637954A1 FR 8813524 A FR8813524 A FR 8813524A FR 8813524 A FR8813524 A FR 8813524A FR 2637954 A1 FR2637954 A1 FR 2637954A1
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FR
France
Prior art keywords
clutch
control system
piston
receiving member
clutch control
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.)
Withdrawn
Application number
FR8813524A
Other languages
French (fr)
Inventor
Philippe Girardi
Jean Jacques Ithurria
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR8813524A priority Critical patent/FR2637954A1/en
Publication of FR2637954A1 publication Critical patent/FR2637954A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/088—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members being distinctly separate from the axis of rotation
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

Clutch 1 control system, particularly for a multi-plate clutch, which includes a piston 2, which is housed in the casing 3 of the receiver member parallel to the axis of the clutch 1 and which acts on one end of a lever 4 by means of a connecting rod 5; the said lever 4 acts on the release bearing 6 of the clutch 1 and rests via its other end on a support 7; the said piston 2 being controlled hydraulically.

Description

SYSTèME DE COMMANDE D'EMBRAYAGE
La présente invention se rapporte à un systeme de commande d'embrayage, notamment d'embrayage multidisques, qui peut se monter, notamment, sur un carter de boite de vitesses ou de pont avant ou arrière, pour avoir une transmission a quatre roues motrices sur un véhicule automobile.CLUTCH CONTROL SYSTEM
The present invention relates to a clutch control system, in particular a multi-plate clutch, which can be mounted, in particular, on a gearbox or front or rear axle housing, to have a four-wheel drive transmission on a motor vehicle.

I1 existe des dispositifs d'embrayage qui comportent un système de commande extérieur à l'ensemble des carters. Ces dispositifs présentent l'inconvénient d'avoir un encombrement important et ne peuvent pas toujours être montes sur les mécaniques des vehicules. There are clutch devices which include a control system external to all of the casings. These devices have the drawback of having a large size and cannot always be mounted on the mechanics of vehicles.

Le but de la presente invention est de proposer un systeme de commande d'embrayage qui s'intègre dans le carter existant de l'organe recepteur tel qu'une boite de vitesses ou un pont d'essieu.The purpose of the present invention is to provide a clutch control system which is integrated into the existing housing of the receiving member such as a gearbox or an axle bridge.

Selon un mode de réalisation de l'invention, le systeme de commande d'embrayage, notamment d'embrayage multidisques, comporte un piston qui est loge dans le carter de l'organe récepteur parallèlement a l'axe de l'embrayage et qui agit sur une extrémité d'un levier par 1' intermédiaire d'une biellette, ledit levier agit sur la butee de l'embrayage et s'applique par son autre extrémité sur un appui ; ledit piston etant commandé hydrauliquement.Le piston a une cavité centrale cylindrique avec un fond conique de manière a recevoir l'extrémité sphérique correspondante de la biellette, ladite biellette ayant 1 'autre extrémite identique qui agit sur un renfoncement sphérique correspondant du levier ; une canalisation d'alimentation est realisee dans le carter de l'organe récepteur et débouche dans la chambre du piston qui est le fond du logement dudit piston. According to one embodiment of the invention, the clutch control system, in particular of multi-plate clutch, comprises a piston which is housed in the casing of the receiving member parallel to the axis of the clutch and which acts on one end of a lever by means of a link, said lever acts on the clutch stop and is applied by its other end to a support; said piston being hydraulically controlled. The piston has a cylindrical central cavity with a conical bottom so as to receive the corresponding spherical end of the link, said link having the other identical end which acts on a corresponding spherical recess of the lever; a supply line is produced in the casing of the receiving member and opens into the piston chamber which is the bottom of the housing of said piston.

Le système de commande d'embrayage, selon l'invention, presente ainsi l'avantage de pouvoir s'intégrer facilement dans le carter existant de l'organe récepteur , d'où un coût réduit et une grande facilite d'adaptation et de mise en place.The clutch control system according to the invention thus has the advantage of being able to be easily integrated into the existing housing of the receiving member, hence a reduced cost and great ease of adaptation and setting in place.

D'autres caractéristiques et avantages de la presente invention ressortiront de la description qui suit le mode de réalisation donné a titre d'exemple en référence aux dessins annexés sur lesquels - La figure 1 est une vue en coupe axiale de l'ensemble du système de commande d'embrayage selon l'invention.Other characteristics and advantages of the present invention will emerge from the description which follows the embodiment given by way of example with reference to the appended drawings in which - FIG. 1 is a view in axial section of the entire system of clutch control according to the invention.

Le système de commande d'embrayage selon l'invention s'applique notamment a des embrayages a disques multiples pour des transmissions a quatre roues motrices des véhicules automobiles. Il se monte dans l'organe recepteur qui peut être le carter de la boite de vitesses ou celui du pont avant ou arrière.The clutch control system according to the invention applies in particular to multiple disc clutches for four-wheel drive transmissions of motor vehicles. It is mounted in the receiving member which can be the gearbox housing or that of the front or rear axle.

Comme cela est représenté sur la figure 1, l'embrayage référencé 1 dans son ensemble est monte dans un carter 18. Ce carter 18 se centre sur le carter 3 de l'organe récepteur sur lequel il est fixe au moyen de vis 19. Le carter 18 supporte un arbre d'entrée 20 par l'intermédiaire d'un roulement 21.As shown in Figure 1, the clutch referenced 1 as a whole is mounted in a housing 18. This housing 18 is centered on the housing 3 of the receiving member on which it is fixed by means of screws 19. The casing 18 supports an input shaft 20 by means of a bearing 21.

L'arbre d'entrée 20 reçoit, du côté de la prise de mouvement, une bride d'accouplement 22 et supporte, du côte de l'embrayage 1, l'extrémité de l'arbre 23 de l'organe récepteur au moyen d'un roulement a aiguilles 40.The input shaft 20 receives, on the side of the power take-off, a coupling flange 22 and supports, on the clutch side 1, the end of the shaft 23 of the receiving member by means of 'a needle bearing 40.

Le système de commande comporte un piston 2 qui est logé dans le carter 3 de l'organe récepteur. Le logement du pison 2 a un axe parallèle a l'axe de l'embrayage 1 et il est situe a coté du roulement de l'arbre 23 de l'organe récepteur. Le piston 2 agit sur une extrémité d'un levier 4 par l'intermédiaire d'une biellette 5. Ce levier 4 agit sur la butee 6 de l'embrayage 1 et s'applique par son autre extrémité sur un appui 7. Le piston 2 est commandéhydrauliquement. The control system comprises a piston 2 which is housed in the casing 3 of the receiving member. The housing of the piston 2 has an axis parallel to the axis of the clutch 1 and is located next to the bearing of the shaft 23 of the receiving member. The piston 2 acts on one end of a lever 4 by means of a link 5. This lever 4 acts on the stop 6 of the clutch 1 and is applied by its other end to a support 7. The piston 2 is hydraulically controlled.

Le piston 2 a une cavite 8 centrale cylindrique avec un fond conique 9, qui reçoit l'extrémité 10 sphérique de la biellette 5. Cette biellette 5 a une autre extrémité 11 identique qui agit sur un renfoncement sphérique 12 correspondant du levier 4.The piston 2 has a central cylindrical cavity 8 with a conical bottom 9, which receives the spherical end 10 of the link 5. This link 5 has another identical end 11 which acts on a corresponding spherical recess 12 of the lever 4.

Une canalisation d'alimentation 13 est réalisée dans le carter 3 de l'organe récepteur et elle débouche dans la chambre 14 du piston 2 qui est le fond du logement dudit piston 2.A supply line 13 is produced in the casing 3 of the receiving member and it opens into the chamber 14 of the piston 2 which is the bottom of the housing of said piston 2.

L'appui 7 est constitué par une vis 15 qui se monte dans le carter 3 de l'organe récepteur. Cette vis 15 a une tête sphérique 16 qui coopere avec un renfoncement sphérique 17 correspondant du levier 4. La vis 15 a un axe qui est diametralement opposé a l'axe du piston 2. The support 7 is constituted by a screw 15 which mounts in the casing 3 of the receiving member. This screw 15 has a spherical head 16 which cooperates with a corresponding spherical recess 17 of the lever 4. The screw 15 has an axis which is diametrically opposite the axis of the piston 2.

L'embrayage 1 est multidisques et il est constitue par une cloche 24 et par un moyeu 25. La cloche 24 est liée a l'arbre d'entrée 20 et le moyeu 25 est solidaire de l'arbre 23 de l'organe récepteur.The clutch 1 is multi-disc and it is constituted by a bell 24 and by a hub 25. The bell 24 is linked to the input shaft 20 and the hub 25 is integral with the shaft 23 of the receiving member.

La cloche 24 et le moyeu 25 ont respectivement des disques 26 et 27 avec lesquels ils sont lies en rotation au moyen de cannelures 28 et 29. Ces disques s'appliquent les uns sur les autres par l'intermédiaire d'un plateau 30, d'un diaphragme 31 et d'une butée a billes 6 sur laquelle agit le levier 4.The bell 24 and the hub 25 respectively have discs 26 and 27 with which they are linked in rotation by means of grooves 28 and 29. These discs are applied to each other by means of a plate 30, d 'a diaphragm 31 and a ball bearing 6 on which the lever 4 acts.

LE diaphragme 31 prend appui sur une bague extérieure 32 tenue par un circlips 33 et il agit sur le plateau 30 du fait de la poussee qu'il reçoit de la butee a billes 6.  THE diaphragm 31 is supported on an outer ring 32 held by a circlip 33 and it acts on the plate 30 due to the thrust it receives from the ball stop 6.

Le moyeu 25 s'applique contre la cloche 24 au moyen d'une butée a aiguilles 34.The hub 25 is applied against the bell 24 by means of a needle stop 34.

La cloche 24 est liVe a l'arbre d'entree 20 au moyen de cannelures 35 et le moyeu 25 est solidaire de l'arbre 23 de l'organe récepteur par l'intermédiaire de cannelures 36.The bell 24 is connected to the input shaft 20 by means of splines 35 and the hub 25 is secured to the shaft 23 of the receiving member by means of splines 36.

La bride d'accouplement 22 a un moyeu 37 qui reçoit l'extrémité de l'arbre d'entrée 20 avec laquelle il est lié en rotation par l'intermédiaire de cannelures 38. The coupling flange 22 has a hub 37 which receives the end of the input shaft 20 with which it is linked in rotation by means of splines 38.

Claims (8)

REVENDICATIONS 1. Système de commande d'embrayage (1), notamment d'embrayage multidisques, caracterise en ce qu'il comporte un piston (2) qui est logé dans le carter (3) de l'organe récepteur parallèlement à l'axe de l'embrayage (l) et qui agit sur une extrémite d'un levier (4) par l'intermédiaire d'une biellette (5), ledit levier (4) agit sur la butée (6) de l'embrayage (1) et s'applique par son autre extremité sur un appui (7) ; ledit piston (2) étant commandé hydrauliquement.1. Clutch control system (1), in particular of multi-plate clutch, characterized in that it comprises a piston (2) which is housed in the casing (3) of the receiving member parallel to the axis of the clutch (l) and which acts on one end of a lever (4) by means of a link (5), said lever (4) acts on the stop (6) of the clutch (1) and is applied by its other end to a support (7); said piston (2) being hydraulically controlled. 2. Système de commande d'embrayage (1) selon la revendication l, caractérisé en ce que le piston (2) a une cavité (8) centrale cylindrique avec un fond conique (9) de maniere a recevoir l'extrémité (10) sphérique correspondante de la biellette (5), ladite biellette (5) ayant l'autre extrémité (11) identique qui agit sur un renfoncement sphérique (12) correspondant du levier (4) ; une canalisation d'alimentation (13) est réalisée dans le carter (3) de l'organe récepteur et débouche dans la chambre (14) du piston (2), qui est le fond du logement dudit piston (2). 2. clutch control system (1) according to claim l, characterized in that the piston (2) has a central cylindrical cavity (8) with a conical bottom (9) so as to receive the end (10) corresponding spherical link (5), said link (5) having the other end (11) identical which acts on a spherical recess (12) corresponding to the lever (4); a supply line (13) is produced in the casing (3) of the receiving member and opens into the chamber (14) of the piston (2), which is the bottom of the housing of said piston (2). 3. Système de commande d'embrayage (1) selon la revendication (1) caractérise en ce que l'appui (7) est constitué par une vis (15) qui se monte dans le carter (3} de l'organe récepteur et qui possède une tête sphérique (16), ladite tete sphérique (16) coopérant avec un renfoncement sphérique (17) correspondant du levier (4) ; ladite vis (15) ayant un axe qui est diamétralement opposé a l'axe du piston (2).3. clutch control system (1) according to claim (1) characterized in that the support (7) consists of a screw (15) which is mounted in the casing (3} of the receiving member and which has a spherical head (16), said spherical head (16) cooperating with a spherical recess (17) corresponding to the lever (4); said screw (15) having an axis which is diametrically opposite to the axis of the piston (2 ). 4. Système de commande d'embrayage (1) selon la rbvendication 1, caractérise en ce que l'embrayage (1) est monté dans un carter (18) qui vient se centrer sur le carter (3) de l'organe récepteur et qui est fixé au moyen de vis (19) ; ledit carter (18) supportant un arbre d'entrée (20) par l'intermédiaire d'un roulement (21) ; l'arbre d'entrée (20) recevant, du coté de la prise de mouvement, une bride d'accouplement (22) et supportant, du coté de l'embrayage (1), l'extrémité de l'arbre (23) de l'organe récepteur.4. Clutch control system (1) according to claim 1, characterized in that the clutch (1) is mounted in a housing (18) which is centered on the housing (3) of the receiving member and which is fixed by means of screws (19); said housing (18) supporting an input shaft (20) via a bearing (21); the input shaft (20) receiving, on the side of the power take-off, a coupling flange (22) and supporting, on the side of the clutch (1), the end of the shaft (23) of the receiving organ. 5. Système de commande d'embrayage (l) selon la revendication 4, caractérisé en ce que l'embrayage (1) est constitué par une cloche (24) liée à l'arbre d'entrée (20) et par un moyeu (25) solidaire de l'arbre (23) de l'organe récepteur t la cloche (24) et le moyeu (25) ayant respectlvement des disques (26) et (27) avec lesquels ils sont liés en rotation au moyen de cannelures (28) et (29) et qui s'appliquent les uns sur les autres par l'intermédiaire d'un plateau (30), d'un diaphragme (31) et d'une butée à billes (6) sur laquelle agit le levier (4), le diaphragme (31) prenant appui sur une bague extérieure (32) tenue par un circlips (33) agissant sur le plateau (30) et étant poussé par la butée a billes (6) ; ; le moyeu (25) s'appliquant contre la cloche (24) au moyen d'une butée a aiguilles (34).5. clutch control system (l) according to claim 4, characterized in that the clutch (1) consists of a bell (24) connected to the input shaft (20) and by a hub ( 25) integral with the shaft (23) of the receiving member t the bell (24) and the hub (25) having respectlvement of discs (26) and (27) with which they are linked in rotation by means of grooves ( 28) and (29) and which are applied to each other by means of a plate (30), a diaphragm (31) and a ball bearing (6) on which the lever acts (4), the diaphragm (31) resting on an outer ring (32) held by a circlip (33) acting on the plate (30) and being pushed by the ball bearing (6); ; the hub (25) pressing against the bell (24) by means of a needle stop (34). 6. Système de commande d'embrayage (1) selon la revendication 5, caractérisé en ce que la cloche (24) est liée a l'arbre d'entrée (20) au moyen de cannelures (35), et en ce que le moyeu (25) est solidaire de l'arbre (23) de l'organe récepteur par l'intermédiaire de cannelures (36).6. clutch control system (1) according to claim 5, characterized in that the bell (24) is connected to the input shaft (20) by means of grooves (35), and in that the hub (25) is integral with the shaft (23) of the receiving member by means of grooves (36). 7. Système de commande d'embrayage (1) selon la revendication 4, caractérisé en ce que la bride d'accouplement (22) a un moyeu (37) qui reçoit l'extrémité de l'arbre d'entrée (20) avec laquelle il est lie en rotation par l'intermédiaire de cannelures (38).7. clutch control system (1) according to claim 4, characterized in that the coupling flange (22) has a hub (37) which receives the end of the input shaft (20) with which it is linked in rotation by means of grooves (38). 121121 8. Système de commande d'embrayage (1) selon la revendication 4, caractérisé en ce que l'arbre d'entrée (20) supporte l'extrémité de l'arbre (23) de l'organe récepteur au moyen d'un roulement a aiguilles (40). 8. clutch control system (1) according to claim 4, characterized in that the input shaft (20) supports the end of the shaft (23) of the receiving member by means of a needle bearing (40).
FR8813524A 1988-10-14 1988-10-14 Clutch control system Withdrawn FR2637954A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8813524A FR2637954A1 (en) 1988-10-14 1988-10-14 Clutch control system

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Application Number Priority Date Filing Date Title
FR8813524A FR2637954A1 (en) 1988-10-14 1988-10-14 Clutch control system

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FR2637954A1 true FR2637954A1 (en) 1990-04-20

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694722A (en) * 1949-03-07 1953-07-29 Ljungstroms Angturbin Ab Improvements in or relating to devices for shifting spring systems
FR1081800A (en) * 1952-08-01 1954-12-22 Self Changing Gears Ltd Clutch device
US2873834A (en) * 1956-07-19 1959-02-17 Hugh G Kepner Hydraulic clutch operating mechanism
US3231057A (en) * 1962-07-13 1966-01-25 Gen Steel Ind Inc Shaft coupling
US3710909A (en) * 1971-12-28 1973-01-16 Caterpillar Tractor Co Hydraulic clutch booster with supply and exhaust valve
GB1451502A (en) * 1972-12-21 1976-10-06 Aisin Seiki Device for displacing a rotatable friction member of a clutch
DE3138208A1 (en) * 1981-09-25 1983-02-17 Daimler-Benz Ag, 7000 Stuttgart Power transmission device for motor vehicles, especially tractors
DE8610042U1 (en) * 1986-04-12 1988-03-17 INA Wälzlager Schaeffler KG, 8522 Herzogenaurach Pivot bearing for a clutch lever on motor vehicles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694722A (en) * 1949-03-07 1953-07-29 Ljungstroms Angturbin Ab Improvements in or relating to devices for shifting spring systems
FR1081800A (en) * 1952-08-01 1954-12-22 Self Changing Gears Ltd Clutch device
US2873834A (en) * 1956-07-19 1959-02-17 Hugh G Kepner Hydraulic clutch operating mechanism
US3231057A (en) * 1962-07-13 1966-01-25 Gen Steel Ind Inc Shaft coupling
US3710909A (en) * 1971-12-28 1973-01-16 Caterpillar Tractor Co Hydraulic clutch booster with supply and exhaust valve
GB1451502A (en) * 1972-12-21 1976-10-06 Aisin Seiki Device for displacing a rotatable friction member of a clutch
DE3138208A1 (en) * 1981-09-25 1983-02-17 Daimler-Benz Ag, 7000 Stuttgart Power transmission device for motor vehicles, especially tractors
DE8610042U1 (en) * 1986-04-12 1988-03-17 INA Wälzlager Schaeffler KG, 8522 Herzogenaurach Pivot bearing for a clutch lever on motor vehicles

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