US20060157141A1 - Container for hydraulic medium supply - Google Patents
Container for hydraulic medium supply Download PDFInfo
- Publication number
- US20060157141A1 US20060157141A1 US10/547,838 US54783804A US2006157141A1 US 20060157141 A1 US20060157141 A1 US 20060157141A1 US 54783804 A US54783804 A US 54783804A US 2006157141 A1 US2006157141 A1 US 2006157141A1
- Authority
- US
- United States
- Prior art keywords
- container
- filling
- reservoir
- pressure fluid
- level
- 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.)
- Abandoned
Links
- 239000012530 fluid Substances 0.000 claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
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
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
Abstract
Disclosed is a container for supplying pressure fluid to a master cylinder of a hydraulic motor vehicle brake system. The container includes a filling reservoir (2,29) arranged at a first level (14,45) and including a fill hole (15,31) and a discharge opening (16,32), a main reservoir (3,30) arranged at a second level (19,46) and including an inlet opening (35, 44 and discharge openings (47,48), as well as a device 8 for monitoring the container's state of filling, with the first level (14,45) being disposed above the second level (19,46), and the filling reservoir (2,29) and the main reservoir (3,30) being interconnected. A device (17,33) for filling the main reservoir is integrated with the container and includes one or more channels (18,34).
Description
- A container for supplying pressure fluid to a master cylinder of a hydraulic motor vehicle brake system, which comprises a filling reservoir arranged on a first level and including a fill hole and a discharge opening, a main reservoir arranged on a second level and including an inlet opening and discharge openings, as well as a device for monitoring the container's state of filling, with the first level being disposed above the second level, and the filling reservoir and the main reservoir being interconnected.
- A container of this type is disclosed in EP 1 019 272 B1. The arrangement needs improvement in particular with respect to its installation capability at the vehicle manufacturer's plant.
- In view of the above, an object of the present invention is to provide an improved container for the pressure fluid supply.
- According to the invention, this object is achieved in that a means for filling the main reservoir is integrated in the container and includes one or more channels, with the result that the exchange of air between the reservoirs is improved.
- The container has an integral design in a favorable improvement of the invention. This will improve the assembly at the vehicle manufacturer's plant.
- The channels include a bottom wall in order to isolate the pressure fluid of the main reservoir from the filling reservoir in extreme positions of the motor vehicle occurring, for example, in intensive brake operations, and further in order to prevent the escape of pressure fluid through a container cover that closes the fill hole.
- The first filling of pressure fluid into the brake system is carried out by a machine at the vehicle manufacturer's plant. To this end, a filler cap is fitted to the container, and the brake system is filled with pressure fluid after evacuation. With a projection being shaped at the container, the container is supported on the master cylinder in order to accommodate the forces which develop in the first filling operation and are caused by the fitment of the filler cap and the subsequent machining operation.
- According to a favorable embodiment of the invention, a pressure fluid supply line and a pressure fluid return line for component parts of an electrohydraulic brake system (EHB) are formed at the container. An electrohydraulic brake system (EHB) concerns an electronically controlled system, the function and components of which are generally known in the art.
- According to another preferred embodiment, the main reservoir is subdivided into several compartments being interconnected by means of openings. The two compartments which are associated with the pressure chambers of the master cylinder are designed in such a fashion that in the case of pressure fluid loss in one compartment, a defined residual volume still prevails in the second compartment.
- It is possible to use the invention in principally all brake systems, while it is especially suited for electrohydraulic brake systems (EHB).
- The invention will be explained in the following by way of the accompanying drawings showing embodiments for an electrohydraulic brake system. In the drawings:
-
FIG. 1 shows a first embodiment of a container of the invention; -
FIG. 2 shows a rear view of the embodiment ofFIG. 1 ; -
FIG. 3 shows a cross-section of the embodiment ofFIG. 1 ; -
FIG. 4 shows another cross-section of the embodiment ofFIG. 1 ; -
FIG. 5 shows a second embodiment of a container of the invention. -
FIG. 1 shows a first embodiment of a container 1 of the invention. Container 1 comprises afilling reservoir 2 and amain reservoir 3 feeding two pressure fluid chambers of a master cylinder (not shown) by way of twoports ports fixing attachments 6 at the master cylinder. In order to be able to better accommodate the forces that develop in the first filling operation, a projection 7 is provided on the side of the container 1 facing the master cylinder and bears against the housing of the master cylinder. Adevice 8 for monitoring the container's state of filling, whose component parts are partly apparent from a second embodiment according toFIG. 5 , is composed of generally known component parts such acontact 9 and afloat 10. The driver of the motor vehicle is e.g. warned by means of a warning lamp if the pressure fluid level in the container drops below a predetermined minimum. - In order to supply pressure fluid to the master cylinder and the components of an electrohydraulic brake system (EHB) such as a pump, the
main reservoir 3 is subdivided into several compartments. The subdivision of the compartments is described in detail inFIGS. 2, 3 and 4. - The container 1 is made in an injection-molding operation. Two housing shells are die-cast and interconnected by means of a melting process.
-
FIG. 2 shows a rear view of the embodiment described inFIG. 1 . In order to feed a pump with the necessary pressure fluid, acompartment 11 of themain reservoir 3 extends on this rearward side of the container 1 beyond theports compartment 11 is a pressurefluid supply line 12 feeding the pump with pressure fluid. Thefilling reservoir 2 has a pressurefluid return line 13 through which pressure fluid out of the brake system is supplied to the container again. -
FIG. 3 shows a cross-sectional view of the embodiment of container 1 described inFIGS. 1 and 2 . Thefilling reservoir 2 is arranged on afirst level 14 and is furnished with afill hole 15 and a discharge opening 16 adjacent to which is ameans 17 for filling themain reservoir 3.Means 17 is formed of twoparallel channels 18 connecting thefilling reservoir 2 to themain reservoir 3 and, thus, allowing the filling of themain reservoir 3 through the inlet opening 44. - The
main reservoir 3 is disposed on asecond level 19 that is arranged below thelevel 14, with the term ‘level’ referring to the spatial arrangement of the reservoirs rather than to the state of filling with pressure fluid. The result is that the pressure fluid can propagate from thefilling reservoir 2 through thechannels 18 into themain reservoir 3 which consists of several compartments. The two pressure chambers of the master cylinder are fed by way of afirst compartment 20 with a discharge opening 47 and asecond compartment 21 with adischarge opening 48. Thefloat 10 and thecontact 9 of thedevice 8 are arranged in anothercompartment 22 for monitoring the container's state of filling. As can be seen fromFIG. 4 , thecompartments openings 23 in order to ensure a balance of the pressure fluid between the compartments and, thus, indicate a pressure fluid loss in a compartment by way of thedevice 8.Compartments compartments main reservoir 3 and thefilling reservoir 2, anopening 25 is provided in thewall 24 which separates thecompartments - A
bottom wall 26 of thechannels 18 can be seen fromFIG. 3 representing additionally the top boundary of themain reservoir 3 in the area of thechannels 18. In an extreme position of the motor vehicle, such as a major deceleration, the wall isolates the pressure fluid of themain reservoir 3 from the pressure fluid of thefilling reservoir 2 and thechannels 18. A proper supply of brake fluid to the brake circuit is thus also ensured in such an extreme position. - To prevent the escape of pressure fluid through a
container cover 27 in the event of intensive braking, accelerating or cornering maneuvers, thefill hole 15 is provided centrally on thefilling reservoir 2. - As can be seen in
FIG. 4 ,partitions 28 are arranged in the container 1 for reinforcing the container 1. -
FIG. 5 shows a second embodiment of a container 1 of the invention which comprises afilling reservoir 29 arranged at alevel 45 and amain reservoir 30 arranged at alevel 46. The volume of thefilling reservoir 29 is small compared to the volume of themain reservoir 30. Thefilling reservoir 29 has afill hole 31 and a discharge opening 32 succeeding which is ameans 33 for filling themain reservoir 30. The pressure fluid is supplied to themain reservoir 30 by way of themeans 33, being configured aschannel 34, through the inlet opening 35. Awall 36 isolates themain reservoir 30 from thechannel 34 and separates the pressure fluid of themain reservoir 30 from thechannel 34 and thefilling reservoir 29 in the event of intensive braking. Pressure fluid is thus prevented from propagating through thecontainer cover 27 into the engine compartment. - The
main reservoir 30 is composed of threecompartments compartment 37 and a pressurefluid supply line 40 shaped at the bottom end. Thecompartments wall 41, feed the pressure chambers of the master cylinder through theports fluid return line 42 is also provided at themain reservoir 30 in this embodiment. As has been described in the embodiment ofFIG. 1 , thecompartments openings 43 in order to ensure a balance of the pressure fluid between thecompartments compartment 37. -
- 1 container
- 2 filling reservoir
- 3 main reservoir
- 4 port
- 5 port
- 6 fixing attachment
- 7 projection
- 8 device
- 9 contact
- 10 float
- 11 compartment
- 12 pressure fluid supply line
- 13 pressure fluid return line
- 14 level
- 15 fill hole
- 16 discharge opening
- 17 means
- 18 channel
- 19 level
- 20 compartment
- 21 compartment
- 22 compartment
- 23 opening
- 24 wall
- 25 opening
- 26 wall
- 27 container cover
- 28 partition
- 29 filling reservoir
- 30 main reservoir
- 31 fill hole
- 32 discharge opening
- 33 means
- 34 channel
- 35 inlet opening
- 36 wall
- 37 compartment
- 38 compartment
- 39 compartment
- 40 pressure fluid supply line
- 41 wall
- 42 pressure fluid return line
- 43 opening
- 44 inlet opening
- 45 level
- 46 level
- 47 discharge opening
- 48 discharge opening
Claims (7)
1-6. (canceled)
7. A container for supplying pressure fluid to a master cylinder of a hydraulic motor vehicle brake system, the container comprising:
a filling reservoir, arranged at a first level, including a fill hole and a discharge opening;
a main reservoir, arranged at a second level, including an inlet opening and discharge openings;
a device (8) for monitoring a fluid level of the container, with the first level being disposed above the second level, and the filling reservoir and the main reservoir being interconnected; and
a filling device for filling the main reservoir, wherein the filling device is integrated in the container and includes one or more channels.
8. The device according to claim 7 , wherein the container (1) has an integral design.
9. The device according to claim 8 , wherein the channel includes a bottom wall and the wall isolates the pressure fluid of the main reservoir from the channel and the filling reservoir in extreme positions of the motor vehicle.
10. The device according to claim 9 , wherein the container includes a projection and the projection is supported on a master cylinder of the motor vehicle.
11. The device according to claim 10 , wherein a pressure fluid supply line and a pressure fluid return line for component parts of an electrohydraulic brake system are formed at the container.
12. The device according to claim 11 , wherein the main reservoir is subdivided into two or more compartments and the two or more compartments are interconnected by means of openings.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10310170.5 | 2003-03-08 | ||
DE10310170A DE10310170A1 (en) | 2003-03-08 | 2003-03-08 | Pressure fluid supply tank |
PCT/EP2004/002355 WO2004078545A1 (en) | 2003-03-08 | 2004-03-08 | Container for hydraulic medium supply |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060157141A1 true US20060157141A1 (en) | 2006-07-20 |
Family
ID=32864284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/547,838 Abandoned US20060157141A1 (en) | 2003-03-08 | 2004-03-08 | Container for hydraulic medium supply |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060157141A1 (en) |
EP (1) | EP1603783B1 (en) |
JP (1) | JP5021295B2 (en) |
DE (2) | DE10310170A1 (en) |
WO (1) | WO2004078545A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2963599A1 (en) * | 2010-08-04 | 2012-02-10 | Peugeot Citroen Automobiles Sa | Brake liquid tank for use in vehicle e.g. motor vehicle such as automobile, has reinforcement extending on walls of lengthened neck from inlet opening to main lower cavity, where neck extends along tilted axis from inlet opening to cavity |
US20120152022A1 (en) * | 2010-12-20 | 2012-06-21 | Robert Bosch Gmbh | Ultrasound-Based Measuring Device and Method |
US20130025274A1 (en) * | 2009-09-16 | 2013-01-31 | Continental Teves Ag & Co. Ohg | Container, particularly for hydraulic vehicle brake systems |
CN103260979A (en) * | 2010-12-08 | 2013-08-21 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Compensation tank for hydraulic motor vehicle brake systems |
CN105015536A (en) * | 2015-08-10 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Method for designing volume of brake fluid container |
ES2660052A1 (en) * | 2017-09-21 | 2018-03-20 | Robert Bosch Gmbh | DEPOSIT OF BRAKE FLUID FOR VEHICLE HYDRAULIC BRAKING ACTUATOR (Machine-translation by Google Translate, not legally binding) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007283858A (en) * | 2006-04-14 | 2007-11-01 | Hitachi Ltd | Reservoir device and subtank of vehicle brake |
FR2933354B1 (en) * | 2008-07-01 | 2010-08-20 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE BRAKE LIQUID TANK DEVICE HAVING A SIMPLIFIED MANUFACTURING FILTRATION CHAMBER |
JP5334633B2 (en) | 2009-03-11 | 2013-11-06 | ボッシュ株式会社 | Reservoir tank and brake device using the same |
JP2010208548A (en) | 2009-03-11 | 2010-09-24 | Bosch Corp | Reservoir tank and brake device using the same |
JP5497073B2 (en) * | 2010-01-26 | 2014-05-21 | ボッシュ株式会社 | Reservoir tank and brake device using the same |
DE102013213282A1 (en) * | 2013-07-08 | 2015-01-08 | Continental Teves Ag & Co. Ohg | Container system for a hydraulic motor vehicle brake system |
JP6172747B2 (en) * | 2013-10-10 | 2017-08-02 | ボッシュ株式会社 | Reservoir tank and brake system using the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185750A (en) * | 1977-12-20 | 1980-01-29 | Girling Limited | Reservoirs for master cylinders |
US4458118A (en) * | 1981-03-24 | 1984-07-03 | Aisin Seiki Kabushiki Kaisha | Reservoir with liquid level sensing device |
US4805668A (en) * | 1987-06-24 | 1989-02-21 | Robert Bosch Gmbh | Brake fluid container |
US5957545A (en) * | 1996-09-03 | 1999-09-28 | Aisin Seiki Kabushiki Kaisha | Fluid holding vehicle reservoir for preventing leakage of fluid |
US6105611A (en) * | 1997-06-30 | 2000-08-22 | Aisin Seiki Kabushiki Kaisha | Reservoir tank |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2039474A5 (en) * | 1969-04-04 | 1971-01-15 | Yatta Maurice | |
GB1316937A (en) * | 1969-11-12 | 1973-05-16 | Girling Ltd | Reservoirs for master cylinders |
DE3724896A1 (en) * | 1987-07-28 | 1989-02-09 | Teves Gmbh Alfred | Antilock hydraulic brake system |
JPH082006Y2 (en) * | 1990-01-10 | 1996-01-24 | 自動車機器株式会社 | Master cylinder |
JPH06156254A (en) * | 1992-11-20 | 1994-06-03 | Aisin Seiki Co Ltd | Reservoir tank |
DE4312063C1 (en) * | 1993-04-13 | 1994-06-23 | Daimler Benz Ag | Three-chamber vehicle brake-fluid reservoir |
JP3765866B2 (en) * | 1995-07-20 | 2006-04-12 | 株式会社日立製作所 | Reservoir |
JP3253249B2 (en) * | 1996-07-19 | 2002-02-04 | 株式会社ナブコ | Master cylinder with reservoir |
JPH1076932A (en) * | 1996-09-03 | 1998-03-24 | Aisin Seiki Co Ltd | Master cylinder reservoir |
FR2769275B1 (en) * | 1997-10-02 | 1999-12-17 | Bosch Syst Freinage | SAFETY SUPPLY DEVICE FOR DUAL HYDRAULIC CIRCUIT |
-
2003
- 2003-03-08 DE DE10310170A patent/DE10310170A1/en not_active Withdrawn
-
2004
- 2004-03-08 DE DE502004008640T patent/DE502004008640D1/en not_active Expired - Lifetime
- 2004-03-08 WO PCT/EP2004/002355 patent/WO2004078545A1/en active Application Filing
- 2004-03-08 EP EP04718286A patent/EP1603783B1/en not_active Expired - Fee Related
- 2004-03-08 JP JP2006504586A patent/JP5021295B2/en not_active Expired - Fee Related
- 2004-03-08 US US10/547,838 patent/US20060157141A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185750A (en) * | 1977-12-20 | 1980-01-29 | Girling Limited | Reservoirs for master cylinders |
US4458118A (en) * | 1981-03-24 | 1984-07-03 | Aisin Seiki Kabushiki Kaisha | Reservoir with liquid level sensing device |
US4805668A (en) * | 1987-06-24 | 1989-02-21 | Robert Bosch Gmbh | Brake fluid container |
US5957545A (en) * | 1996-09-03 | 1999-09-28 | Aisin Seiki Kabushiki Kaisha | Fluid holding vehicle reservoir for preventing leakage of fluid |
US6105611A (en) * | 1997-06-30 | 2000-08-22 | Aisin Seiki Kabushiki Kaisha | Reservoir tank |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130025274A1 (en) * | 2009-09-16 | 2013-01-31 | Continental Teves Ag & Co. Ohg | Container, particularly for hydraulic vehicle brake systems |
US9139182B2 (en) * | 2009-09-16 | 2015-09-22 | Continental Teves Ag & Co. Ohg | Container, particularly for hydraulic vehicle brake systems |
FR2963599A1 (en) * | 2010-08-04 | 2012-02-10 | Peugeot Citroen Automobiles Sa | Brake liquid tank for use in vehicle e.g. motor vehicle such as automobile, has reinforcement extending on walls of lengthened neck from inlet opening to main lower cavity, where neck extends along tilted axis from inlet opening to cavity |
CN103260979A (en) * | 2010-12-08 | 2013-08-21 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Compensation tank for hydraulic motor vehicle brake systems |
US9033182B2 (en) * | 2010-12-08 | 2015-05-19 | Continental Teves Ag & Co. Ohg | Compensation tank for hydraulic motor vehicle brake systems |
US20120152022A1 (en) * | 2010-12-20 | 2012-06-21 | Robert Bosch Gmbh | Ultrasound-Based Measuring Device and Method |
US9021882B2 (en) * | 2010-12-20 | 2015-05-05 | Robert Bosch Gmbh | Ultrasound-based measuring device and method |
CN105015536A (en) * | 2015-08-10 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Method for designing volume of brake fluid container |
ES2660052A1 (en) * | 2017-09-21 | 2018-03-20 | Robert Bosch Gmbh | DEPOSIT OF BRAKE FLUID FOR VEHICLE HYDRAULIC BRAKING ACTUATOR (Machine-translation by Google Translate, not legally binding) |
WO2019057391A1 (en) * | 2017-09-21 | 2019-03-28 | Robert Bosch Gmbh | Brake fluid reservoir for a hydraulic brake actuator on vehicles |
US11072317B2 (en) | 2017-09-21 | 2021-07-27 | Robert Bosch Gmbh | Brake fluid reservoir for a hydraulic brake actuator of vehicles |
Also Published As
Publication number | Publication date |
---|---|
EP1603783A1 (en) | 2005-12-14 |
JP5021295B2 (en) | 2012-09-05 |
WO2004078545A1 (en) | 2004-09-16 |
EP1603783B1 (en) | 2008-12-10 |
JP2006519728A (en) | 2006-08-31 |
DE10310170A1 (en) | 2004-09-16 |
DE502004008640D1 (en) | 2009-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CONTINENTAL TEVES AG & CO. OHG, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VON HAYN, HOLGER;TANDLER, PETER;KREBS, WERNER;AND OTHERS;REEL/FRAME:017747/0375 Effective date: 20050725 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |