DE10320045B4 - hydraulic power unit - Google Patents
hydraulic power unit Download PDFInfo
- Publication number
- DE10320045B4 DE10320045B4 DE2003120045 DE10320045A DE10320045B4 DE 10320045 B4 DE10320045 B4 DE 10320045B4 DE 2003120045 DE2003120045 DE 2003120045 DE 10320045 A DE10320045 A DE 10320045A DE 10320045 B4 DE10320045 B4 DE 10320045B4
- Authority
- DE
- Germany
- Prior art keywords
- pressure medium
- pressure
- housing block
- pump
- pump elements
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0807—Manifolds
-
- 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
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0832—Modular valves
- F15B13/0835—Cartridge type valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0878—Assembly of modular units
- F15B13/0885—Assembly of modular units using valves combined with other components
- F15B13/0892—Valves combined with fluid components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
Hydraulikaggregat
für eine
elektronisch regelbare Fahrzeugbremsanlage, mit einem Gehäuseblock
(10),
der mit Einbauräumen
(14), beispielsweise zur Aufnahme von wenigstens einem Antriebsmittel
und von wenigstens einem vom Antriebsmittel beaufschlagten Pumpenelement versehen
ist,
der Anschlüsse
(22) zur hydraulischen Kontaktierung eines anbaubaren Hochdruckspeichers
(12), eines Hauptbremszylinders oder wenigstens eines Radbremszylinders
der Fahrzeugbremsanlage aufweist,
der wenigstens zwei Pumpenelemente
aufweist und
der Druckmittel führende Kanäle (18) umfasst, welche hydraulische
Verbindungen zwischen diesen Einbauräumen (14) und den Anschlüssen (22)
herstellen,
wobei wenigstens ein erster Druckmittelkanal (18a)
dem Pumpenelement Druckmittel unter niedrigem Druck zuführt und
wenigstens ein zweiter Druckmittelkanal (18b) Druckmittel unter
Hochdruck vom Pumpenelement wegführt,
wobei
der Anschluss (22b) des Hochdruckspeichers (12) mit dem Druckmittel
unter Hochdruck vom Pumpenelement wegführenden Druckmittelkanal (18b)
hydraulisch verbunden ist, und
wobei die ein Druckmittel von
den Pimpenelementen wegführenden
Druckmittelkanäle
(18b) im wesentlichen quer zu den Längsachsen der Pumpenelemente
ausgerichtet sind und auf kurzem...Hydraulic unit for an electronically controllable vehicle brake system, comprising a housing block (10),
which is provided with installation spaces (14), for example for receiving at least one drive means and at least one pump element acted upon by the drive means,
the connections (22) for the hydraulic contacting of a mountable high-pressure accumulator (12), a master brake cylinder or at least one wheel brake cylinder of the vehicle brake system,
having at least two pump elements and
the pressure medium-carrying channels (18), which produce hydraulic connections between these installation spaces (14) and the terminals (22),
wherein at least one first pressure medium channel (18a) supplies pressure medium under low pressure to the pump element and at least one second pressure medium channel (18b) leads pressure medium away from the pump element under high pressure,
wherein the connection (22b) of the high pressure accumulator (12) is hydraulically connected to the pressure medium under high pressure away from the pump element pressure medium channel (18b), and
wherein the pressure medium ducts (18b) leading away from the pimple elements are aligned essentially transversely to the longitudinal axes of the pump elements and are adapted to a short ...
Description
Technischer Hintergrundtechnical background
Die
Erfindung geht aus von einem Hydraulikaggregat für eine elektronisch regelbare
Fahrzeugbremsanlage entsprechend der Gattung der einander nebengeordneten
Ansprüche
1 oder 2. Ein derartiges Hydraulikaggregat ist beispielsweise aus
der
In Bremsanlagen moderner Kraftfahrzeuge ermöglichen es derartige Hydraulikaggregate, dass das Fahrzeug im Falle eines Bremsvorgangs bei maximaler Fahrzeugverzögerung lenkbar bleibt, dass im Falle der Regelung des Antriebsschlupfs die Kraft des Fahrzeugantriebs in Vortrieb des Fahrzeugs umsetzbar ist, oder dass im Falle einer Regelung der Fahrdynamik das Fahrzeug in der vom Fahrer gewünschten Spur gehalten werden kann. Hierzu regelt das Hydraulikaggregat in Abhängigkeit der Reibungsverhältnisse zwischen den Rädern des Fahrzeugs und der Fahrbahn den Bremsdruck radindividuell. Die Erfassung dieser Reibverhältnisse erfolgt durch fahrzeugseitige Sensoren, deren Signale in einem mit dem Hydraulikaggregat zusammenwirkenden elektronischen Steuergerät verarbeitet werden.In Braking systems of modern motor vehicles allow such hydraulic power units, that the vehicle in the case of a braking operation at maximum vehicle deceleration steerable remains that in the case of traction slip control, the force of Vehicle drive is converted into propulsion of the vehicle, or that in the case of a regulation of the driving dynamics the vehicle in the of Driver desired Track can be kept. For this purpose, the hydraulic unit regulates in dependence the friction conditions between the wheels of the vehicle and the road the brake pressure wheel individually. The Detection of these friction conditions takes place by vehicle-mounted sensors whose signals in a with the hydraulic unit cooperating electronic control unit processed become.
Hydraulikaggregate,
wie beispielsweise aus der
Die Einbauräume, Anschlüsse und Druckmittelkanäle sind in erster Linie aus fertigungstechnischer Sicht am Gehäuseblock platziert. Dabei ist das Augenmerk auf einen möglichst geringen Zerspanungsaufwand bei gleichzeitig möglichst wenigen Aufspannungen des Rohlings des Gehäuseblocks gerichtet. Möglichst rechtwinklig aufeinandertreffende Zerspanungsquerschnitte werden ebenso angestrebt wie besonders kompakte Außenabmessungen des Gehäuseblocks.The Installation spaces, connections and pressure medium channels are primarily from the manufacturing point of view on the housing block placed. Here, the focus is on the lowest possible machining costs at the same time as possible directed to a few restraints of the blank of the housing block. preferably be perpendicular meeting cutting cross sections just as aspired as particularly compact external dimensions of the housing block.
Diese Prämissen führen bei bekannten Hydraulikaggregaten dazu, dass ein anbaubarer Hochdruckspeicher lediglich an einer Seite des Gehäuseblocks montierbar ist. Dies schränkt die Einsetzbarkeit des Hydraulikaggregats für verschiedene Fahrzeugtypen ein.These premises to lead in known hydraulic power units that a mountable high-pressure accumulator only on one side of the housing block can be mounted. This restricts the applicability of the hydraulic unit for different vehicle types one.
Vor diesem Hintergrund liegt der Erfindung die Aufgabe zu Grunde, bei einem Gehäuseblock eines Hydraulikaggregats eine Anordnung von Einbauräumen und Druckmittelkanälen vorzuschlagen, die bei unveränderten Außenabmessungen und Zerspanungseigenschaften des Gehäuseblocks eine breitere Varianz bezüglich der Anordnung eines anbaubaren Hochdruckspeichers ermöglicht. Diese Aufgabe löst ein Gegenstand mit den Merkmalen des Anspruchs 1 oder des Anspruchs 2.In front In this background, the invention is based on the object at a housing block a hydraulic unit an arrangement of installation space and Pressure fluid channels to propose that with unchanged external dimensions and chipping properties of the package block a wider variance in terms of allows the arrangement of an attachable high-pressure accumulator. This task is solved an article having the features of claim 1 or claim Second
Ferner
ist aus der
Auch
aus der
Vorteile der ErfindungAdvantages of invention
Ein Hydraulikaggregat mit einem Gehäuseblock entsprechend den Merkmalen des Anspruchs 1 oder des Anspruchs 2 hat den Vorteil, dass es bei unverändert kompakten Außenabmessungen und nach wie vor guter Zerspanbarkeit die Anordnung eines anbaubaren Hochdruckspeichers in verschiedenen Raumrichtungen erlaubt. Die Erfindung bietet darüber hinaus die Möglichkeit, an Stelle eines einzelnen Speichers zwei getrennte bauraumkleinere Teilspeicher einzusetzen. Die Lage des Speichers und die Länge der Druckmittelkanäle haben entscheidenden Einfluss auf die Funktionseigenschaften und das Betriebsgeräusch der Fahrzeugbremsanlage. In beiden Anordnungen des Hochdruckspeichers sind die Kanallängen und damit das enthaltene Druckmittelvolumen gleich groß. Die Erfindung ermöglicht demnach ohne wesentlichen baulichen Zusatzaufwand eine größere Modellvielfalt, um diese Eigenschaften fahrzeugspezifisch abzustimmen. Die betroffenen Druckmittelkanäle sind besonders kurz ausgebildet und erfordern damit besonders wenig Zerspanungsaufwand. Dies verlängert die Werkzeugstandzeiten. Kurze Kanallängen verringern darüber hinaus das Steuervolumen und erhöhen die Dynamik der Fahrzeugbremsanlage insgesamt.One Hydraulic unit with a housing block according to the features of claim 1 or claim 2 has the advantage that it still has compact external dimensions and still good machinability, the arrangement of an attachable High-pressure accumulator allowed in different directions. The Invention offers about it addition the possibility in place of a single store two separate space smaller Use partial storage. The location of the memory and the length of the memory Pressure fluid channels have a decisive influence on the functional properties and the operating noise the vehicle brake system. In both arrangements of the high-pressure accumulator are the channel lengths and thus the volume of pressure medium contained the same size. The invention allows Accordingly, without significant additional structural complexity a larger variety of models, to tune these properties vehicle-specific. The affected Pressure fluid channels are particularly short trained and thus require very little Chip removal. This is extended the tool life. Short channel lengths reduce beyond that the control volume and increase the dynamics of the vehicle brake system as a whole.
Weitere Vorteile oder vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen oder der nachfolgenden Beschreibung.Further Advantages or advantageous developments of the invention result from the dependent claims or the description below.
Eine Anordnung zweier Pumpenelemente in einem Winkel, der größer ist als 90°, gemäß Anspruch 3 wirkt sich positiv bezüglich der mechanischen Betriebsgeräusche des Hydraulikaggregats aus. Eine Zusammenführung von Druckmittelkanälen in einem Knoten erlaubt besonders kurze Kanallängen und ist fertigungstechnisch besonders einfach und bauraumgünstig darstellbar, wenn diese Kanäle gemäß Anspruch 5 in einer gemeinsamen Ebene verlaufen. Besonders vorteilhaft ist die Verwendung eines erfindungsgemäßen Hydraulikaggregats in einer Fahrzeugbremsanlage, die gemäß Anspruch 7 eine muskelkraftbetätigte Hilfsbremse und eine fremdkraftbetätigte Betriebsbremse umfasst, da bei derartigen Bremssystemen besonders voluminöse Speicher notwendig sind und deren Platzierung deshalb besondere Bedeutung zukommt.A Arrangement of two pump elements at an angle that is greater as 90 °, according to claim 3 has a positive effect the mechanical operating noise of the hydraulic unit. A combination of pressure medium channels in one Node allows particularly short channel lengths and is manufacturing technology particularly simple and space-saving representable if these channels according to claim 5 in a common plane. Is particularly advantageous the use of a hydraulic unit according to the invention in a vehicle brake system, those according to claim 7 a muscle-powered Includes auxiliary brake and a power-operated service brake, because with such brake systems particularly bulky memory are necessary and their placement is therefore of particular importance due.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die einzige Figur zeigt in einer perspektivischen Darstellung einen erfindungsgemäßen Gehäuseblock mit Anbauteilen, Einbauräumen und Druckmittelkanälen insoweit, wie es für das Verständnis der Erfindung erforderlich ist.One embodiment The invention is illustrated in the drawing and in the following description explained in more detail. The single figure shows a perspective view of a Housing block according to the invention with attachments, installation space and pressure medium channels as far as it is for the understanding the invention is required.
Beschreibung des Ausführungsbeispielsdescription of the embodiment
Die
Figur zeigt einen erfindungsgemäßen Gehäuseblock
Etwa
im Zentrum des Gehäuseblocks
befindet sich der Einbauraum
Eine
Versorgung der in diese Einbauräume
Die
den Außenseiten
In
der Figur ist ein weiterer Druckmittelkanal
Die
Druckmittel von den Pumpenelementen wegführenden Kanäle
Der
eine Anschluss
Hochdruckspeicher
Selbstverständlich sind
weitere Änderungen oder
Ergänzungen
am beschriebenen Ausführungsbeispiel
denkbar, ohne vom Grundgedanken der Erfindung abzuweichen. Dieser
Grundgedanke wird insbesondere in einer größeren Flexibilität bezüglich der
Anordnung anbaubarer Hochdruckspeicher
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003120045 DE10320045B4 (en) | 2003-05-06 | 2003-05-06 | hydraulic power unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003120045 DE10320045B4 (en) | 2003-05-06 | 2003-05-06 | hydraulic power unit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10320045A1 DE10320045A1 (en) | 2004-12-02 |
DE10320045B4 true DE10320045B4 (en) | 2006-07-27 |
Family
ID=33394144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003120045 Expired - Fee Related DE10320045B4 (en) | 2003-05-06 | 2003-05-06 | hydraulic power unit |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10320045B4 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527402A1 (en) * | 1995-07-27 | 1997-01-30 | Teves Gmbh Alfred | pump |
DE19961851A1 (en) * | 1999-12-22 | 2001-06-28 | Continental Teves Ag & Co Ohg | Pulsation-free radial piston pump, especially for regulated braking systems, has summation value of delivery volumetric flow for all pistons dependent on pump drive speed but not phase |
DE10060225A1 (en) * | 2000-03-27 | 2001-10-31 | Continental Teves Ag & Co Ohg | Procedure for monitoring the emergency braking ability of an electro-hydraulic brake system |
EP1251052A2 (en) * | 2001-04-17 | 2002-10-23 | Toyota Jidosha Kabushiki Kaisha | Hydraulic braking pressure control unit |
-
2003
- 2003-05-06 DE DE2003120045 patent/DE10320045B4/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527402A1 (en) * | 1995-07-27 | 1997-01-30 | Teves Gmbh Alfred | pump |
DE19961851A1 (en) * | 1999-12-22 | 2001-06-28 | Continental Teves Ag & Co Ohg | Pulsation-free radial piston pump, especially for regulated braking systems, has summation value of delivery volumetric flow for all pistons dependent on pump drive speed but not phase |
DE10060225A1 (en) * | 2000-03-27 | 2001-10-31 | Continental Teves Ag & Co Ohg | Procedure for monitoring the emergency braking ability of an electro-hydraulic brake system |
EP1251052A2 (en) * | 2001-04-17 | 2002-10-23 | Toyota Jidosha Kabushiki Kaisha | Hydraulic braking pressure control unit |
Also Published As
Publication number | Publication date |
---|---|
DE10320045A1 (en) | 2004-12-02 |
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Legal Events
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---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |