EP2094546A1 - Réservoir de compensation pour un système hydraulique de freinage de véhicule automobile - Google Patents

Réservoir de compensation pour un système hydraulique de freinage de véhicule automobile

Info

Publication number
EP2094546A1
EP2094546A1 EP07857409A EP07857409A EP2094546A1 EP 2094546 A1 EP2094546 A1 EP 2094546A1 EP 07857409 A EP07857409 A EP 07857409A EP 07857409 A EP07857409 A EP 07857409A EP 2094546 A1 EP2094546 A1 EP 2094546A1
Authority
EP
European Patent Office
Prior art keywords
housing
switching unit
recess
base body
expansion tank
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Withdrawn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
EP07857409A
Other languages
German (de)
English (en)
Inventor
Peter Tandler
Stephan Schlicht
Johann Ludwig
Werner Krebs
Hans-Jürgen Neumann
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.)
Continental Teves AG and Co OHG
Original Assignee
Continental Teves AG and Co OHG
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 Continental Teves AG and Co OHG filed Critical Continental Teves AG and Co OHG
Publication of EP2094546A1 publication Critical patent/EP2094546A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/225—Devices for monitoring or checking brake systems; Signal devices brake fluid level indicators
    • 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

  • the invention relates to a surge tank for a hydraulic motor vehicle brake system comprising a housing comprising an upper housing part and a lower housing part and having a device for monitoring the tank level of the surge tank comprising a welded to the housing switching unit with a connector and a sensor or switching element, which by means of a sensor in a switching point at which the switching unit generates a signal for an electronic control unit, is switchable.
  • the required brake fluid is in the expansion tank, wherein the device for monitoring the tank level as a switching element, for example, a reed switch and as a transmitter, for example, has a magnetic encoder. If the brake fluid level drops and the magnetic encoder passes the switching point, the switch contacts of the reed switch close. This signal is evaluated in a control unit and the driver of the motor vehicle can be warned by a visual and / or audible indication. It must be ensured that the expansion tank is always filled with a minimum of brake fluid to the function not to question the brake system.
  • devices for monitoring the tank level are used, in which a float provided with a magnet switches the reed contact arranged on a board as soon as the float assumes a position (switching point) in which the tank level falls below a defined minimum.
  • the reed contact triggers a recognizable warning signal for the driver, in which case suitable countermeasures are to be initiated.
  • a generic expansion tank is known for example from DE 37 16 135 Al.
  • the connector of the switching unit is provided in a connector housing, which is welded to a protruding from the housing upper side wall.
  • a disadvantage in terms of packaging and transport is considered in the known surge tank that the switching unit protrudes from the top of the surge tank.
  • the housing has a recess for receiving the switching unit, wherein switching unit comprises a base body Plastic, which is welded to the housing in the recess, and wherein the recess is provided such that the main body of the switching unit with the housing forms a flat surface.
  • the body does not protrude from an upper side of the housing and thus can not interfere with transport or during assembly of the expansion tank.
  • the inclusion of the switching unit in the recess allows pre-positioning, so that the welding of the switching unit can be improved with the upper housing part.
  • the depression is preferably provided in the housing upper part in expansion tanks for a hydraulic motor vehicle brake system, since the device for monitoring the tank level is usually arranged on an upper side of the expansion tank.
  • the device may also be provided on an underside of the expansion tank, wherein the recess for receiving the switching unit is then arranged in the lower housing part.
  • means for the positionally welded welding of the switching unit are provided in the recess of the housing, wherein the means are adapted to define and ensure a with respect to a longitudinal axis of the surge tank axial position of the switching point.
  • the means are provided on an underside of the base body and in the recess. - A -
  • a simple production of the surge tank is achieved by at least one projection-recess arrangement is provided as a means for positioned welding, wherein the projection is provided on the underside of the base body of the switching unit and the recess is arranged in the region of the recess.
  • the predetermined position of the switching point can be ensured.
  • a particularly compact reservoir is obtained when a connector housing of the connector is provided offset in relation to a longitudinal axis of the body radially towards the housing.
  • the switching unit preferably has a carrier element arranged perpendicularly with respect to the base body and connected to the base body, on which the sensor or switching element is arranged and which projects into a container interior.
  • Figure 1 shows a known surge tank in longitudinal section
  • Figure 2 shows a housing upper part of an inventive
  • Expansion tank with welded switching unit in a spatial representation shows the upper housing part of FIG. 2 in section and
  • FIG. 4 and 5 the upper housing part of FIG. 2 before the welding of the switching unit in a three-dimensional view.
  • Fig. 1 shows a known reservoir 1 for brake fluid according to DE 37 16 135 Al with a device for monitoring the container level.
  • the surge tank 1 is attached, for example, to a master cylinder of a vehicle brake system, not shown, and has a projecting into its interior guide tube 2, which is closed at its, the container interior facing the end.
  • a float 3 is slidably disposed, e.g. is designed as a ring and forms part of a device for monitoring the container level.
  • the float 3 carries an annular magnet 4 as a magnetic encoder.
  • a upstanding from the bottom 5 of the expansion tank 1, the guide tube 2 partially concentrically surrounding pipe socket 6 is provided as a stop for the float 3. This stop determines the lowest position of the float 3 in the expansion tank 1 and prevents the float 3 can leave the guide tube 2.
  • Known measures to protect the swimmers are also arranged at the end of the guide tube 2 expansion elements.
  • the device for monitoring the container level comprises a switching unit with a cover 23 and a support 7, which is provided in the interior of the guide tube 2 and to which a reed switch 8 is attached as a switching element.
  • a switching point S of the switching element As soon as the magnet 4 passes through a switching point S of the switching element as the container level drops, the reed contact closes or opens and a signal for a electronic switching unit of the motor vehicle brake system generates.
  • a flag 21 is fixed, which extends parallel to the longitudinal axis of the guide tube 2 and projects into an inner slot 13 of a radial projection 14 of the guide tube 2.
  • the guide tube 2 is provided with a plurality of symmetrically offset on its surface against each other arranged ribs 15 which form the upper stop for the float 3.
  • the guide tube 2 merges into a bottom 16 of a flat cavity 17, whose side walls 18 are connected to walls 19 and 20 of the expansion tank 1.
  • the side walls 18 project beyond the walls 19, 20 of the surge tank 1 by a small piece and form with their upper edges 22 stop surfaces for the lid 23, which includes a flat base plate 24, from the one
  • Connector housing 25 protrudes, which is provided welded to the side walls 18.
  • the connector housing 25 is provided with a recess 26, projecting into the two contact pins 27 or blade contacts of a connector, which is gas-tight or liquid-tightly inserted with one end into the connector housing 25.
  • the recess 26 opposite end 28 of each contact pin 27 is connected to the end of an electrical line 29.
  • the other ends of the electrical leads 29 are connected to the reed switch 8.
  • the expansion tank 1 consists of a housing comprising an upper housing part 32 and a lower housing part 33, which are welded together at their edges 9.
  • the float 3 of the device for monitoring the container level is provided in one piece and has a radial recess into which the annular magnet 4 is pushed. Side walls of the recess are provided with holding means which secure the magnet 4 in its installed position.
  • Fig. 2 to 5 show a housing upper part 41 of a compensation tank 40 according to the invention in a spatial representation and partially cut. Since the compensation tank 40 according to the invention differs only by its switching unit 43 and its arrangement on the housing to the known surge tank of FIG. 1, only the essential components of the surge tank 40 are shown, which will be described below. Identical components are provided with the same reference numerals and a repeated description is omitted.
  • FIG. 2 and 3 show the schematically illustrated housing upper part 41 of the compensation tank 40 according to the invention with its welded switching unit 43 of a device 42 for monitoring the tank level in a spatial representation, wherein FIG. 3 is shown as a section in the region of the switching unit 43.
  • the upper housing part 41 has a recess 44, in which the switching unit 43 is received after assembly and welding with the upper housing part 41.
  • the switching unit 43 has a base body 45 made of plastic with a molded connector housing 53 of a connector, wherein a shown in Fig. 4 support member 46 for the sensor or switching element 8, not shown, perpendicular to a longitudinal axis of the main body 45 on the main body 45th is arranged and connected to this.
  • the carrier element 46 on which the sensor or switching element 8 is arranged, can be formed, for example, as a circuit board. According to a further embodiment, the carrier element 46 may also be injection-molded onto the main body 45, in which case the lines are provided injected into the carrier element 46.
  • the carrier element 46 it is conceivable to design the carrier element 46 in such a way that it has a receptacle for the sensor or switch element 8, as a result of which it is protected in particular during transport.
  • the support member 46 is thus either provided integrally with the base body 45 or is attached to the base body 45 prior to assembly of the switching unit 43. An additional attachment of the support member 46 during assembly of the surge tank 40 may be omitted.
  • the carrier element 46 projects into a container interior, surrounded by a guide tube 47 integrally formed on the upper housing part 41.
  • a float 3 is displaceably arranged with a magnetic encoder 4, e.g. is formed as a ring and constitutes a part of the device 42 for monitoring the container level.
  • the main body 45 and the upper housing part 41 ie their Tops 48,49, a flat surface.
  • the main body 45 does not protrude from the top 48 of the upper housing part 46 and thus can not interfere with transport or during assembly of the surge tank 40.
  • the inclusion of the switching unit 43 in the recess 44 allows a pre-positioning, so that the welding of the switching unit 43 can be improved with the housing upper part 41.
  • For exact positioning of the switching unit 43 means for the positionally welded welding of the switching unit 43 in the recess 44 of the housing upper part 41 are provided. These means are adapted to set and ensure a with respect to a longitudinal axis of the surge tank 40 axial position of the switching point S. In this way, an exact weld can be achieved, since welding allowances of switching unit 43 and housing upper part 41 are exactly above each other during the welding process and a lateral displacement of the weld allowances is excluded during welding.
  • At least one projection-recess arrangement 50, 51 is provided as a means for positioned welding, the means being provided on a lower side 52 of the base body 45 and in the recess 44.
  • two mutually offset projections 50 are provided on the underside 52 of the base body 46 and corresponding recesses 51 are in the region of the recess 44 arranged.
  • Welding allowances, not shown, on the housing upper part 41 in the region of the depression 44 and a lower side 52 of the main body 45 are adapted and matched to the projection-recess arrangements 50, 51 in such a way that a predetermined position of the switching point S can be ensured.
  • the connector housing 53 is provided offset radially in the direction of the upper housing part 41 with respect to the longitudinal axis of the main body 45.
  • the device 42 for monitoring the tank level can also be arranged in the lower housing part of the surge tank 40, the invention not being directed to a surge tank for a

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

L'invention concerne un réservoir de compensation 40 pour un système hydraulique de freinage de véhicule automobile, avec un carter comprenant une partie supérieure de carter 41 et une partie inférieure de carter, et avec un dispositif 42 pour surveiller le niveau de remplissage du réservoir de compensation 40. Ce dispositif comprend : une unité de commutation 43 soudée au carter et dotée d'un connecteur 53 ; et un élément 8 de détection ou de commutation qui peut, au moyen d'un transmetteur 4, être commuté à un point de commutation S où l'unité de commutation 43 génère un signal pour une unité électronique de commande. L'invention vise à fournir un réservoir de compensation 40 qui soit amélioré en termes de conditionnement, de sécurité de transport et de soudage de l'unité de commutation. A cet effet, le carter présente un renfoncement 44 pour recevoir l'unité de commutation 43, sachant que l'unité de commutation 43 présente un corps de base 45 en matière plastique qui est soudé au carter dans le renfoncement 44, et sachant que le renfoncement 44 est prévu de telle sorte que le corps de base 45 de l'unité de commutation 43 forme une surface plane avec le carter.
EP07857409A 2006-12-23 2007-12-11 Réservoir de compensation pour un système hydraulique de freinage de véhicule automobile Withdrawn EP2094546A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006061460 2006-12-23
DE102007023070A DE102007023070B4 (de) 2006-12-23 2007-05-16 Ausgleichsbehälter für eine hydraulische Kraftfahrzeugbremsanlage
PCT/EP2007/063722 WO2008077771A1 (fr) 2006-12-23 2007-12-11 Réservoir de compensation pour un système hydraulique de freinage de véhicule automobile

Publications (1)

Publication Number Publication Date
EP2094546A1 true EP2094546A1 (fr) 2009-09-02

Family

ID=39271241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07857409A Withdrawn EP2094546A1 (fr) 2006-12-23 2007-12-11 Réservoir de compensation pour un système hydraulique de freinage de véhicule automobile

Country Status (5)

Country Link
US (1) US8739526B2 (fr)
EP (1) EP2094546A1 (fr)
CN (1) CN101568457B (fr)
DE (1) DE102007023070B4 (fr)
WO (1) WO2008077771A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8196346B2 (en) * 2008-09-24 2012-06-12 Tommy K. Thrash Delayed-activation, hydration maintenance, apparatus and method
US20170137703A1 (en) 2007-12-11 2017-05-18 Superior Silica Sands, LLC Hydraulic fracture composition and method
US10920494B2 (en) 2007-12-11 2021-02-16 Aquasmart Enterprises, Llc Hydraulic fracture composition and method
US9856415B1 (en) 2007-12-11 2018-01-02 Superior Silica Sands, LLC Hydraulic fracture composition and method
US9057014B2 (en) 2007-12-11 2015-06-16 Aquasmart Enterprises, Llc Hydraulic fracture composition and method
FR2958903B1 (fr) * 2010-04-14 2012-08-17 Bosch Gmbh Robert Ensemble hydraulique de freinage d'un vehicule comprenant un capteur de niveau de fluide hydraulique.
DE102011123162B4 (de) * 2011-04-18 2025-07-03 Ipgate Ag Betätigungsvorrichtung
CN104442770B (zh) * 2012-01-11 2017-01-18 瑞立集团瑞安汽车零部件有限公司 一种空气加力泵储油杯的制造方法
US10266450B2 (en) 2014-07-01 2019-04-23 Aquasmart Enterprises, Llc Coated-fine-aggregate, concrete composition and method
US9359253B2 (en) 2014-07-01 2016-06-07 Aquasmart Enterprises, Llc Coated-fine-aggregate, concrete composition and method
KR101584213B1 (ko) 2014-12-09 2016-01-11 현대오트론 주식회사 Autosar 플랫폼에서의 데이터 통신 흐름 설정 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830184B2 (ja) * 1979-11-12 1983-06-27 日産自動車株式会社 リザ−バ−タンク
DE3711369C2 (de) * 1987-04-04 1997-07-31 Teves Gmbh Alfred Ausgleichsbehälter für eine hydraulische Bremsanlage
DE3716135C2 (de) 1987-05-14 1994-09-22 Teves Gmbh Alfred Vorrichtung zur Erfassung der Füllstandshöhe in einem Ausgleichsbehälter
FR2844240B1 (fr) * 2002-09-11 2004-11-26 Bosch Gmbh Robert Reservoir comportant des moyens de mise a niveau ameliores, procede de mise a niveau dudit reservoir et systeme de freinage comportant un tel reservoir
JP2007504453A (ja) 2003-09-04 2007-03-01 コンチネンタル・テベス・アーゲー・ウント・コンパニー・オーハーゲー 車両において液体の特性を測定するための測定装置
CN1846119A (zh) * 2003-09-04 2006-10-11 大陆-特韦斯贸易合伙股份公司及两合公司 用于确定机动车中制动液的性能和高度的测量装置
FR2870811B1 (fr) * 2004-05-27 2006-08-11 Bosch Gmbh Robert Reservoir, utilisation de ce reservoir pour liquide de frein et procede de remplissage de ce reservoir
DE102004041268B4 (de) * 2004-08-26 2007-10-04 Daimlerchrysler Ag Bremsflüssigkeitsbehälter für ein Fahrzeug
FR2874879B1 (fr) * 2004-09-06 2006-11-24 Renault Sas Reservoir de liquide de frein pour vehicule automobile

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008077771A1 *

Also Published As

Publication number Publication date
WO2008077771A1 (fr) 2008-07-03
DE102007023070A1 (de) 2008-07-03
CN101568457A (zh) 2009-10-28
CN101568457B (zh) 2012-12-12
US8739526B2 (en) 2014-06-03
DE102007023070B4 (de) 2010-04-15
US20100071361A1 (en) 2010-03-25

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