EP3802246A1 - Groupe hydraulique d'une régulation anti-patinage - Google Patents

Groupe hydraulique d'une régulation anti-patinage

Info

Publication number
EP3802246A1
EP3802246A1 EP19720447.2A EP19720447A EP3802246A1 EP 3802246 A1 EP3802246 A1 EP 3802246A1 EP 19720447 A EP19720447 A EP 19720447A EP 3802246 A1 EP3802246 A1 EP 3802246A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
electric motor
hydraulic block
hollow shaft
hole
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Withdrawn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
EP19720447.2A
Other languages
German (de)
English (en)
Inventor
Alexander Geissler-Bartenschlager
Oliver Gaertner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3802246A1 publication Critical patent/EP3802246A1/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Withdrawn legal-status Critical Current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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/20—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs with control of pump driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/10—ABS control systems
    • 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/20—ASR control systems
    • B60T2270/203—ASR control systems hydraulic system components
    • 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/30—ESP control system
    • B60T2270/306—ESP control system hydraulic system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/81—Braking systems

Definitions

  • the invention relates to a hydraulic unit of a brake control of a hydraulic vehicle brake system having the features of the preamble of claim 1.
  • Slip controls are, for example, anti-lock brakes, traction slip and vehicle dynamics controls or electronic stability programs, for which the abbreviations ABS, ASR, FDR and ESP are customary.
  • the published patent application DE 10 2006 059 924 A1 discloses a hydraulic block of a hydraulic unit of a slip control of a hydraulic vehicle brake system.
  • the known hydraulic block is a parallelepipedic block of metal which is provided with receptacles for solenoid valves, hydraulic pumps, pressure sensors and connections for attaching brake lines which come from a master brake cylinder or lead to hydraulic wheel brakes.
  • One of the two major sides of the known hydraulic block is provided for attachment of a Elekt romotors for driving the hydraulic pumps. Electrical connection lines of the electric motor are conducted through a through hole from the side provided for attaching the electric motor to an opposite side of the hydraulic block and contacted there.
  • the hydraulic unit according to the invention with the features of claim 1 is provided for a slip control of a hydraulic vehicle brake system. It has a particular block-shaped hydraulic block and a Elek romotor, which is arranged on one side of the hydraulic block, which is also referred to below as the motor side of the hydraulic block.
  • the electric motor serves to drive one or more hydraulic pumps, which are arranged for Bremstiker- generating and / or for the delivery of brake fluid in the hydraulic block.
  • the hydraulic block has a through hole from the engine side to an opposite side in which an electrical connection line for the electric motor is arranged.
  • the connecting line is used for a power supply for driving the electric motor, a controller, for example an electronic commutation of the electric motor and for transmitting signals, for example a speed sensor or a rotation angle sensor of the electric motor to an electronic control unit of the slip control.
  • a controller for example an electronic commutation of the electric motor and for transmitting signals, for example a speed sensor or a rotation angle sensor of the electric motor to an electronic control unit of the slip control.
  • signals for example a speed sensor or a rotation angle sensor of the electric motor to an electronic control unit of the slip control.
  • connection lines of the electric motor are performed through the passage hole in the hydraulic block.
  • the hydraulic block may also have a plurality of through holes for the connection lines of the electric motor, so that, for example, connection lines for the power supply of the electric motor can be carried out separately from data, signal and / or control lines from the motor side to the opposite side by the hydraulic block ,
  • the connecting line for the electric motor in the through hole in the hydraulic block is sealed in order to prevent the brake fluid, which has unintentionally entered the electric motor or the motor side of the hydraulic block, from passing through the through hole in which the connecting line is arranged the opposite side of the hydraulic block passes.
  • the seal also prevents, for example, abrasive particles from mechanical commutation of the electric motor or from slip rings to a power supply of a rotor of the electric motor passing through the through hole in the hydraulic block in which the connecting line for the electric motor is arranged to the opposite side of the hydraulic block.
  • the hydraulic unit according to the invention can also be used as an external power brake pressure unit for generating and / or regulating a brake pressure and / or wheel brake pressures for an external power brake, in which the brake pressure is generated by the hydraulic unit and not by muscle power of a driver.
  • the power brake unit may or may not have a slip control.
  • the hydraulic block is used for mechanical fastening and hydraulic connection of slip control components.
  • slip control components are For example, the electric motor, the hydraulic pumps, solenoid valves, non-return valves, hydraulic accumulators, dampers and pressure sensors.
  • the hydraulic block has receptacles for mounting the components and is provided with bores, which can be referred to as a bore of the hydraulic block and connect the components of the slip control according to a hydraulic circuit diagram of the slip control. Equipped with the components of the slip control, the hydraulic block forms the hydraulic unit.
  • Claim 2 provides that the connecting line (s) for the electric motor are arranged in a hollow shaft which electrically insulates them and / or protects them from damage.
  • the hollow shaft can be arranged on the electric motor and can be introduced into the through hole in the hydraulic block when the electric motor is attached to the hydraulic block.
  • the lead is sealed in the hollow shaft and the hollow shaft in the through hole of the hydraulic block.
  • Claim 3 provides a sealing ring for sealing the connecting line in the hollow shaft and / or in the through hole of the hydraulic block and / or for sealing the hollow shaft in the through hole of the hydraulic block.
  • brake fluid increases its volume through contact with brake fluid, so that it is pressed more strongly against a sealing surface and better seals. It is also possible that there is originally a gap between the sealing material and the sealing surface, which is closed and sealed by the swelling of the sealing material when it comes in contact with the brake fluid.
  • the sealing ring in this embodiment of the invention consists of the sealing material which swells on contact with the brake fluid. It is not intended that brake fluid in the through hole of the hydraulic block or in the hollow shaft and there in contact with the sealing material. The seal is provided in the event that unintentionally brake fluid comes into contact with the sealing material.
  • Acrylic nitrile butadiene rubber for example, is suitable as sealing material for sealing the connecting line for the electric motor in the through hole of the hydraulic block and / or in the hollow shaft and / or for sealing the hollow shaft in the through hole of the hydraulic block the abbreviation NBR for Nitrile Butadiene Rubber is known.
  • FIG. 1 shows a simplified and schematic side view of a hydraulic unit according to the invention.
  • Figure 2 is an enlarged view of a detail according to circle II in Figure 1.
  • hydraulic unit 1 for a slip control of a vehicle brake system, otherwise not shown.
  • Known slip control systems are antilock braking, traction slip and vehicle dynamics control systems, the latter also being referred to as electronic stability programs and colloquially also as antiskid control systems.
  • ABS, ASR and FDR / ESP are common. They are known and will not be explained here.
  • With the hydraulic unit 1 according to the invention are also foreign power brakes and Brake pressure control possible with power brakes.
  • the lists are exemplary and not exhaustive.
  • the hydraulic unit 1 has a hydraulic block 2, which in the illustrated and described embodiment of the invention is a flat, cuboid metal block of, for example, an aluminum alloy.
  • the hydraulic block 2 serves for a mechanical fastening and hydraulic connection of slip control elements such as solenoid valves, check valves, hydraulic reservoirs, damper chambers, hydraulic pumps 4 and an electric motor 5 for driving the hydraulic pumps 4.
  • the hydraulic block 2 is not visible in the drawing, partly Diameter-graded blind holes as receptacles for the solenoid valves, the hydraulic pumps 4, check valves, hydraulic accumulators and damper chambers and connections for connecting unillustrated brake lines of a master cylinder and hydraulic wheel brakes with screw or Einpressnippeln ("self-clinch") provided, the are interconnected by drilling within the hydraulic block 2 according to a hydraulic circuit diagram of the slip control.
  • the electric motor 5 On a flat side of the hydraulic block 2, the electric motor 5 is mounted on the outside, whose motor shaft, which is not visible in the drawing, protrudes into an eccentric space in the hydraulic block 2 which is likewise not visible in the drawing and there has an eccentric for driving the hydraulic pumps 4.
  • the flat sides are the opposite large sides of the hydraulic block 2.
  • the flat side on which the electric motor 5 is mounted is referred to as the motor side 6 here.
  • Two hydraulic pumps 4 are arranged coaxially with each other in Pumpenaufnah- men, which are mounted in two longitudinal sides of the hydraulic block 2 and open radially into the eccentric chamber.
  • the longitudinal sides of the hydraulic block 2 with the pump receptacles are referred to herein as pump sides 7.
  • the hydraulic pumps 4 are in the illustrated and described embodiment piston pumps, which can also be understood as pump elements.
  • the electric motor 5 has a cylindrical tube-shaped hollow shaft 8, which protrudes eccentrically and axially parallel from an end face of the electric motor 5, with which the electric motor 5 is attached to the hydraulic block 2. Through the hollow shaft 8 are connecting lines 9 of the electric motor 5 are performed.
  • the connection lines 9 are used to prime the electric motor 5.
  • the hollow shaft 8 is shown in an axial section, so that the connecting lines 9 are visible.
  • the hollow shaft 8 with the connection lines 9 passes through a through hole 11, which passes perpendicular to the motor side 6 through the hydraulic block 2 to the opposite flat side of the hydraulic block 2, which is referred to here as the valve side 12.
  • the hollow shaft 8 is sealed with a sealing ring 10, which is arranged in a circumferential groove of the hollow shaft 8.
  • the sealing ring 10 consists of acrylonitrile-butadiene rubber (in short: nitrile rubber, English: Nitrile Butadiene Rubber, in short: NBR), that is to say a sealing material which swells on contact with brake fluid, ie increases its volume.
  • the sealing ring 10 consists of a sealing material which swells on contact with brake fluid, that is, the hollow shaft 8 with the connecting lines 9 of the electric motor 5 is sealed with a sealing material in the through hole 1 1 of the hydraulic block 2, the contact with brake fluid swells.
  • Drawn is a sealing ring 10 with a rectangular ring cross-section, but there are also other seals such as O-rings or quad rings used.
  • the hollow shaft 8 is filled with a sealing material which encloses the connection lines 9, so that the hollow shaft 8 is also sealed on the inside and the connection lines 9.
  • the sealing material in the hollow shaft 8 can likewise be a sealing material which swells on contact with brake fluid, that is, for example, also acrylonitrile-butadiene rubber.
  • the sealing of the hollow shaft 8 in the through hole 1 1 of the hydraulic block 2 and the seals of the hollow shaft 8 inside and carried out connecting lines 9 in the hollow shaft 8 have the purpose that no brake fluid from the motor side 6 of the hydraulic block 2 and from the electric motor 5 by the through hole 1 1, passes through the hollow shaft 8 with the connecting lines 9 for the electric motor 5, to the valve side 12 of the hydraulic block 2 passes.
  • Such brake fluid is not intended and not intended and, as a so-called "leakage fluid" in the event of a leak, can pass from the hydraulic pumps 4 into the eccentric space between the pump receptacles and from there into the electric motor 5.
  • the seals of the hollow shaft 8 of the electric motor 5 externally and internally seal the through-hole 11 in the hydraulic block 2 against the passage of particles, which may, for example, result as abrasion of electrical contact contacts ("brush abrasion") in the electric motor 5, if the electric motor tor 5 is mechanically commutated, for example, and / or has sliding contacts for powering its rotor.
  • the sealing ring 10 of the hollow shaft 8 for the passage of the connection lines 9 of the electric motor 5 may be sealingly in the through hole 1 1 in the hydraulic block 2 abut, if it is not swollen. In this case, the sealing ring 10 pushes more inwardly against the hollow shaft 10 and more outwardly against the through hole 1 1, when it swells by contact with the brake fluid, whereby the seal is improved. In the illustrated and described embodiment of the invention, there is a gap 13 between the sealing ring 10 and the through hole 1 1 when the sealing ring 10 is not swollen.
  • the connecting leads 9 protrude from the hollow shaft 8 and communicate electrically with plug contacts 14, which are arranged in a multiple plug 15, for example in a plug strip on the valve side 12 of the hydraulic block 2 ,
  • the multiple plug 15 has not only the plug contacts 14 for the electric motor 5, but more plug contacts 14 for the solenoid valves and pressure sensors.
  • the solenoid valves which can not be seen in the drawing, are arranged on the valve side 12 of the hydraulic block 2. Solenoid valves arranged elsewhere in the hydraulic block 2 are not excluded.
  • the plug contacts 14 can generally be understood as connection contacts.
  • the invention avoids that through the through hole 1 1 in the hydraulic block 2 for the connecting lines 9 of the electric motor 5 of the hydraulic unit 1 brake fluid from the motor side 6 and from the electric motor 5 passes to the opposite valve side 12, where electromechanical components, namely magnetic coils of Solenoid valves, and electronics, namely the electronic control unit of the slip control, and the electrical connections, namely the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulating Braking Force (AREA)
  • Gasket Seals (AREA)

Abstract

L'invention concerne un groupe hydraulique (1) d'une régulation anti-patinage d'un système de freinage de véhicule hydraulique. Le groupe comprend un bloc (2) hydraulique, sur lequel est disposé un moteur électrique (5) destiné à entraîner des pompes hydrauliques (4) de la régulation anti-patinage. L'objet de l'invention est d'éviter qu'un éventuel liquide de fuite parvienne du moteur électrique (5) sur un côté de soupape (12), opposé au moteur électrique (5), du bloc hydraulique (2), côté sur lequel une électrovanne, un appareil de commande électronique et des contacts à fiche (14) électriques sont disposés dans un connecteur multiple (15). À cet effet, une tige creuse (8), à travers laquelle sont guidés des lignes de raccordement (9) du moteur électrique (5), est étanchéifiée dans un trou débouchant (11), qui est continu du moteur électrique (5) au côté de soupape (12) opposé, au moyen d'une bague d'étanchéité (10), qui est constituée de caoutchouc acrylonitrile-butadiène, qui gonfle au contact d'un liquide de frein.
EP19720447.2A 2018-06-07 2019-04-12 Groupe hydraulique d'une régulation anti-patinage Withdrawn EP3802246A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018209004.1A DE102018209004A1 (de) 2018-06-07 2018-06-07 Hydraulikaggregat einer Schlupfregelung
PCT/EP2019/059582 WO2019233663A1 (fr) 2018-06-07 2019-04-12 Groupe hydraulique d'une régulation anti-patinage

Publications (1)

Publication Number Publication Date
EP3802246A1 true EP3802246A1 (fr) 2021-04-14

Family

ID=66334399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19720447.2A Withdrawn EP3802246A1 (fr) 2018-06-07 2019-04-12 Groupe hydraulique d'une régulation anti-patinage

Country Status (7)

Country Link
US (1) US20210229647A1 (fr)
EP (1) EP3802246A1 (fr)
JP (1) JP7157825B2 (fr)
KR (1) KR20210019425A (fr)
CN (1) CN112236343A (fr)
DE (1) DE102018209004A1 (fr)
WO (1) WO2019233663A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023108410A1 (fr) * 2021-12-14 2023-06-22 华为技术有限公司 Dispositif de moteur électrique assisté, structure de montage de capteur de position, dispositif de frein et véhicule

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1059152A (ja) * 1996-08-26 1998-03-03 Nisshinbo Ind Inc 液圧制御装置
DE19949221A1 (de) * 1999-10-13 2001-04-19 Bosch Gmbh Robert Elektrohydraulisches Aggregat zur Regelung eines Bremsdrucks einer hydraulischen Fahrzeugbremsanlage
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US20210229647A1 (en) 2021-07-29
JP7157825B2 (ja) 2022-10-20
KR20210019425A (ko) 2021-02-22
WO2019233663A1 (fr) 2019-12-12
CN112236343A (zh) 2021-01-15
JP2021524824A (ja) 2021-09-16

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