WO2003004331A1 - Reservoir hydraulique et dispositif de freinage comportant un tel reservoir et procede de montage dudit reservoir - Google Patents
Reservoir hydraulique et dispositif de freinage comportant un tel reservoir et procede de montage dudit reservoir Download PDFInfo
- Publication number
- WO2003004331A1 WO2003004331A1 PCT/FR2002/002112 FR0202112W WO03004331A1 WO 2003004331 A1 WO2003004331 A1 WO 2003004331A1 FR 0202112 W FR0202112 W FR 0202112W WO 03004331 A1 WO03004331 A1 WO 03004331A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- diameter
- tank
- master cylinder
- connection means
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/26—Reservoirs
Definitions
- Hydraulic reservoir, braking device comprising such a reservoir and method of mounting said reservoir
- the present invention relates mainly to a hydraulic reservoir, in particular a brake fluid reservoir, a braking device comprising such a reservoir and a method of mounting such a reservoir.
- the hydraulic tanks used for the braking devices are generally formed in one piece comprising a filling orifice and at least one flow orifice, the filling orifice and the flow orifice possibly being the same.
- This type of reservoir is fixed on a master cylinder, in particular a tandem master cylinder allowing the distribution of brake fluid to the wheels of the vehicle, the reservoir feeds, advantageously independently, a first and a second hydraulic circuit.
- the new braking devices include anti-lock braking systems, dynamic vehicle control systems which require a large amount of brake fluid for their operation, and therefore large brake fluid reservoirs, which poses problems of space during assembly.
- one-piece tanks are supplied to car manufacturers mounted on the master cylinders.
- the mounting of the master cylinder fitted with the reservoir becomes more and more complex.
- hydraulic tanks comprising a first small volume tank fixed to the master cylinder and a second large capacity tank connected to the first tank by a pipe, the second tank being placed in an accessible part of the engine compartment to allow it to be filled. and visual check of the brake fluid level.
- This provides the greatest capacity of brake fluid in a part of the engine compartment with more space.
- This type of tank also poses problems when mounting the pipe connecting the two tanks due to the lack of accessibility of the first tank fixed to the master cylinder.
- the upper part of the reservoir and the filling opening must be easily accessible.
- a reservoir according to the present invention comprising first and second complementary rigid parts forming a rigid monobloc reservoir, the second part of which is delivered mounted on the master cylinder.
- a reservoir comprising two parts, a first part provided with an inlet orifice and an outlet orifice and a second part comprising an inlet orifice and at least one outlet orifice, the outlet orifice of the first part cooperating with the inlet orifice of the second part in order to form a rigid one-piece hermetic reservoir, the second part being delivered mounted on the master cylinder.
- the present invention advantageously makes it possible to provide a reservoir whose assembly does not require special tools.
- the present invention therefore relates to a hydraulic fluid reservoir comprising first and second rigid parts defining first and second volumes, the first part being provided in its upper part with an inlet orifice provided with a means shutter, an outlet orifice and first connection means capable of cooperating with second means for connecting the second part, the second part being provided in its lower part with an inlet orifice, at least one output port, and • second means of connection, said reservoir also comprising sealing means cooperating with the connecting means characterized in that the fastening of the first part on the second part through connection means form a rigid monobloc tank.
- the present invention also relates to a reservoir characterized in that the first means for connecting the first part comprises a first sleeve of smaller diameter bordering the outlet orifice of the first part, with an internal diameter equal to the diameter of the outlet opening and extending towards the inside of the first part and a second sleeve of larger diameter, with an inside diameter greater than the diameter of the opening outlet extending towards the outside of the first part and in that the second connection means of the second part comprise a first sleeve of smaller diameter, of outside diameter equal to the inside diameter of the first sleeve of smaller diameter of the first part, bordering the inlet orifice of the second part and extending towards the outside of said second part and a second sleeve of larger diameter, of outside diameter equal to the inside diameter of the second sleeve of larger diameter of the first piece, surrounding the smaller diameter sleeve of the second piece.
- the present invention also relates to a reservoir characterized in that the second sleeve of larger diameter of the second part is connected by its outer periphery to the first sleeve of smaller diameter of the second part along a generatrix of said first and second sleeves.
- the present invention also relates to a reservoir characterized in that the second sleeve of larger diameter of the second part has the shape of a ring of large width surrounding the first sleeve of smaller diameter of the second part.
- the present invention also relates to a tank characterized in that said first and second sleeves of the first part have come in one piece with the first piece and in that the first and second sleeves of the second piece have come in one piece with the second room.
- the present invention also relates to a tank characterized in that the first part is connected to the second part by snap-fastening.
- the present invention also relates to a tank characterized in that the first and the second parts are snapped to each other and form a hermetic tank except at the locations of the filling and outlet orifices.
- the present invention also relates to a tank characterized in that the first and second parts are made of transparent plastic.
- the present invention also relates to a braking device comprising a master cylinder characterized in that the second part is mounted on said master cylinder.
- the present invention also relates to a braking device characterized in that it comprises the reservoir according to the present invention.
- the present invention also relates to a method of mounting in a vehicle engine compartment, characterized in that it comprises inter alia:
- the present invention also relates to an assembly method characterized in that it also comprises, after the first assembly step, the step of unhooking the first part of the braking device
- Figure 1 is a cross-sectional view of a first embodiment of a tank in two parts before mounting according to the present invention
- Figure 2 is a cross-sectional view of a second embodiment of a tank before mounting according to the present invention and of a master cylinder before final mounting of the tank on the master cylinder.
- Figure 3 is a cross-sectional view of the reservoir-master cylinder assembly of Figure 2 after final assembly.
- a tank R comprising a first part 1 defining a first volume 2 and a second part 3 defining a second volume 4.
- the part 1 has in its upper part an orifice filling 5 and in its lower part a flow orifice 6, the part 1 being rigid and hermetic except at the level of orifices 5, 6.
- the filling orifice is extended towards the outside by a sleeve 7 made integrally with the piece 1, the sleeve 7 being capable of cooperating with a shutter means (not shown), for example a plug, advantageously secured by screwing on the outer periphery of the sleeve 7.
- the piece 1 advantageously has in its upper part a very small orifice diameter (not shown) allowing the air contained in the volume 2 to be brought to atmospheric pressure in order to avoid a phenomenon of depression hindering the flow of the liquid, the vent opening is advantageously made in the shutter means of the filling orifice 5.
- the part 1 also comprises in its lower part connection means 10 capable of cooperating with connection means of the second part 3.
- connection means 10 comprise a first sleeve 9 of smaller diameter surrounding the orifice 6 and of internal diameter equal to the diameter of the orifice 6 and of axis X extending towards the interior of the part 1 in volume 2 and a second sleeve 11 of larger diameter surrounding the orifice 6 with an inner diameter greater than the diameter of the orifice 6, extending towards the outside of the first part 1 and of axis parallel to the axis X, the sleeve of smaller diameter 9 and the sleeve of larger diameter 11 having come into material with the part 1.
- the lower wall of the part 1 is advantageously inclined in the direction of the flow orifice 6 .
- the part 1 advantageously comprises means for hooking (not shown) to a braking device for example to a booster.
- the part 3 comprises in its upper part an inlet orifice 13 and connection means 15 and in its lower part at least one outlet orifice, advantageously, two outlet orifices 19, 21 formed in a lower face 17, and likely to cooperate each with a hydraulic chamber of a tandem master cylinder, the part 13 being rigid and hermetic except at the location of the inlet 13 and outlet 19, 21.
- connection means 15 extend around the orifice 13 towards the outside of the part 4 by a first sleeve 23 of smaller diameter of axis X and of outer diameter substantially equal to the inside diameter of the sleeve 9 of smaller diameter and length sufficient to penetrate into the sleeve 9 when the part 1 and the part 3 are assembled.
- the connection means 15 also comprise a second sleeve 25 of larger diameter coaxial with the axis of the second sleeve 11 surrounding the first sleeve 23 of smaller diameter, and of outside diameter equal to the inside diameter of the sleeve 11.
- first and second sleeves 23, 25 are connected longitudinally along the axis X in their upper parts.
- the second sleeve of larger diameter 25 is coaxial with the first sleeve of smaller diameter 23 and has substantially the shape of a ring of great thickness surrounding the sleeve 23 and made of material with the first sleeve 23 of smaller diameter.
- the outlet orifices 19 and 21 extend respectively towards the outside of the second part 3 by sleeves 27, 29 capable of cooperating in leaktight manner with supply orifices of a first and a second hydraulic circuit d '' a tandem master cylinder.
- the lower part of the interior volume 4 of the part 3 is advantageously divided over a certain height by a partition 28 extending in the direction of the upper part of the part 3 from the bottom of the part 3 between the first and the second outlet orifices. 19 and 21 up to a certain height of the part 3, in a first and a second separate sealed capacities in their lower part and provided respectively in their lower part, with the first and the second outlet orifices 19 and 21, each capacity independently supplying a first and a second hydraulic circuit.
- the upper end of the partition 28 is located at least below the upper part of the inlet orifice 13.
- the partition 28 allows in the event of a leak of a first capacity and therefore of a failure of the hydraulic circuit supplied by this first capacity, to have a supply of brake fluid to the second hydraulic circuit by the second capacity which is not affected by the leak of the first ability.
- Parts 1 and 3 are advantageously made by molding, advantageously in transparent plastic allowing the level of brake fluid in the circuit to be controlled.
- Part 1 advantageously comprises on its periphery markings (not shown) making it possible at least to indicate the minimum level of filling with brake fluid necessary for the proper functioning of the braking circuit and, advantageously the maximum level of filling.
- Part 1 is advantageously equipped with a level detector, advantageously electric, (not shown) of brake fluid connected to a device warning the driver in the event of too low a level of brake fluid, for example a light alarm arranged in the passenger compartment of the vehicle.
- the manufacturer receives the braking device comprising at least one master cylinder 31, in particular a tandem master cylinder, on which the part 3 is mounted, the master cylinder 31 is advantageously connected by its longitudinal end oriented towards the brake pedal at a brake booster (not shown).
- the mounting method comprises: - a first step A of fixing the master cylinder 31 provided with the part 3 in the engine compartment of the vehicle;
- the rigid fixing of the first part 1 on the second part 3 is advantageously by snap-fastening, the sealing being produced by sealing means (not shown), for example O-rings.
- the first part 3 is advantageously supplied hung on the braking device, for example on the booster, and an assembly process is then envisaged comprising a second step of unhooking the part 3 of the braking device and the steps of which are as follows :
- the rigid fixing of the first part 1 on the second part 3 is advantageously by snap-fastening, the sealing being produced by sealing means (not shown), for example O-rings.
- This type of attachment advantageously makes it possible to produce a rigid and waterproof mechanical attachment without the use of special mounting tools.
- connection means 10 and 15 on the parts 1 and 3 does not depart from the scope of the present invention.
- first and a second part comprising any means for fixing the first part to the second part does not depart from the scope of the present invention.
- the present invention is particularly applicable to the automotive industry.
- the present invention applies mainly to the industry of braking systems for motor vehicles and in particular for passenger cars.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/487,365 US20040207250A1 (en) | 2001-06-21 | 2002-06-19 | Hydraulic reservoir, braking device comprising such a reservoir and method of mounting the said reservoir |
EP02751270A EP1401691A1 (fr) | 2001-06-21 | 2002-06-19 | Reservoir hydraulique et dispositif de freinage comportant un tel reservoir |
JP2003510316A JP2004533369A (ja) | 2001-06-21 | 2002-06-19 | 液圧リザーバ、このようなリザーバを含む制動装置、及び前記リザーバを取り付けるための方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/08302 | 2001-06-21 | ||
FR0108302A FR2826326B1 (fr) | 2001-06-21 | 2001-06-21 | Reservoir hydraulique, dispositif de freinage comportant un tel reservoir et procede de montage dudit reservoir |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003004331A1 true WO2003004331A1 (fr) | 2003-01-16 |
Family
ID=8864693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/002112 WO2003004331A1 (fr) | 2001-06-21 | 2002-06-19 | Reservoir hydraulique et dispositif de freinage comportant un tel reservoir et procede de montage dudit reservoir |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040207250A1 (fr) |
EP (1) | EP1401691A1 (fr) |
JP (1) | JP2004533369A (fr) |
FR (1) | FR2826326B1 (fr) |
WO (1) | WO2003004331A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2861356B1 (fr) | 2003-10-23 | 2006-02-10 | Bosch Gmbh Robert | Agencement pour la connexion d'un reservoir d'alimentation en fluide de freinage. |
JP2007283858A (ja) * | 2006-04-14 | 2007-11-01 | Hitachi Ltd | 車両用ブレーキのリザーバ装置およびサブタンク |
FR2908097B1 (fr) * | 2006-11-02 | 2009-01-09 | Bosch Gmbh Robert | Fixation d'un reservoir sur un maitre cylindre de frein |
FR2957041A1 (fr) * | 2010-03-05 | 2011-09-09 | Peugeot Citroen Automobiles Sa | Commande hydraulique de freinage en particulier pour vehicule automobile |
FR2970228B1 (fr) * | 2011-01-12 | 2013-02-15 | Peugeot Citroen Automobiles Sa | Dispositif de freinage a tube de liaison telescopique et procede de montage de ce dispositif |
FR2970229B1 (fr) * | 2011-01-12 | 2013-02-15 | Peugeot Citroen Automobiles Sa | Reservoir de liquide de frein et dispositif de freinage compact le comportant |
DE102015110723A1 (de) * | 2015-07-02 | 2017-01-05 | Gustav Magenwirth Gmbh & Co. Kg | Ausgleichsbehälter |
US11014419B2 (en) * | 2017-03-21 | 2021-05-25 | Arctic Cat Inc. | Off-road utility vehicle |
US10717474B2 (en) | 2017-03-21 | 2020-07-21 | Arctic Cat Inc. | Cab and fasteners for vehicle cab |
KR20230094854A (ko) * | 2021-12-21 | 2023-06-28 | 현대모비스 주식회사 | 차량의 제동 장치용 리저버 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2625267A (en) * | 1950-05-29 | 1953-01-13 | Tom S Alexander | Supplementary brake fluid reservoir |
US3960174A (en) * | 1974-09-03 | 1976-06-01 | Caterpillar Tractor Co. | Hydraulic circuit with dual tank system and method for using the same |
US4217922A (en) * | 1979-03-26 | 1980-08-19 | Societe Anonyme D.B.A. | Fluid reservoir |
DE4312063C1 (de) * | 1993-04-13 | 1994-06-23 | Daimler Benz Ag | Bremsflüssigkeits-Ausgleichsbehälter für Kraftfahrzeuge |
-
2001
- 2001-06-21 FR FR0108302A patent/FR2826326B1/fr not_active Expired - Fee Related
-
2002
- 2002-06-19 EP EP02751270A patent/EP1401691A1/fr not_active Withdrawn
- 2002-06-19 JP JP2003510316A patent/JP2004533369A/ja not_active Withdrawn
- 2002-06-19 US US10/487,365 patent/US20040207250A1/en not_active Abandoned
- 2002-06-19 WO PCT/FR2002/002112 patent/WO2003004331A1/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2625267A (en) * | 1950-05-29 | 1953-01-13 | Tom S Alexander | Supplementary brake fluid reservoir |
US3960174A (en) * | 1974-09-03 | 1976-06-01 | Caterpillar Tractor Co. | Hydraulic circuit with dual tank system and method for using the same |
US4217922A (en) * | 1979-03-26 | 1980-08-19 | Societe Anonyme D.B.A. | Fluid reservoir |
DE4312063C1 (de) * | 1993-04-13 | 1994-06-23 | Daimler Benz Ag | Bremsflüssigkeits-Ausgleichsbehälter für Kraftfahrzeuge |
Also Published As
Publication number | Publication date |
---|---|
EP1401691A1 (fr) | 2004-03-31 |
US20040207250A1 (en) | 2004-10-21 |
JP2004533369A (ja) | 2004-11-04 |
FR2826326A1 (fr) | 2002-12-27 |
FR2826326B1 (fr) | 2003-09-19 |
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