DE102004040560A1 - Slide valve for vehicle stabilizing systems has stepped piston which operates spring-loaded slide, pilot valve and inlet valve feeding hydraulic fluid on to opposite face of piston from slide - Google Patents
Slide valve for vehicle stabilizing systems has stepped piston which operates spring-loaded slide, pilot valve and inlet valve feeding hydraulic fluid on to opposite face of piston from slide Download PDFInfo
- Publication number
- DE102004040560A1 DE102004040560A1 DE102004040560A DE102004040560A DE102004040560A1 DE 102004040560 A1 DE102004040560 A1 DE 102004040560A1 DE 102004040560 A DE102004040560 A DE 102004040560A DE 102004040560 A DE102004040560 A DE 102004040560A DE 102004040560 A1 DE102004040560 A1 DE 102004040560A1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- slide
- piston
- pressure
- actuating
- 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- Withdrawn
Links
- 239000012530 fluid Substances 0.000 title abstract description 4
- 230000000087 stabilizing effect Effects 0.000 title abstract 2
- 230000006641 stabilisation Effects 0.000 claims description 9
- 238000011105 stabilization Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/10—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces not permanently interconnected, e.g. operative only on acceleration, only on deceleration or only at off-straight position of steering
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Die Erfindung betrifft ein Schieberventil, insbesondere für ein aktives Fahrzeugstabilisierungssystem, nach dem Oberbegriff des Patentanspruchs 1.The The invention relates to a slide valve, in particular for an active Vehicle stabilization system, according to the preamble of patent claim 1.
Ein derartiges Schieberventil ist aus dem Vortrag „Dynamic Drive – Das Wankstabilisierungssystem des 7'er und des neuen 5'er" im Rahmen der Tagung „Hydraulik im Kraftfahrzeug" im Haus der Technik in Essen am 12./13.11.2003 bekannt.One Such slide valve is from the lecture "Dynamic Drive - The roll stabilization system of the 7'er and the new 5'er "in the context of the meeting" hydraulics in the motor vehicle "im House of Technology in Essen on 12/13 November 2003 known.
Das
Wankstabilisierungssystem weist u.a. eine hydraulische Schaltung
zur aktiven Regelung von Fahrwerkskomponenten auf, wozu die Schaltung an
hydraulischen Schwenkmotoren angeschlossen ist, welche ein regelbares
Moment in den an der Vorder- und Hinterachse des Fahrwerks vorgesehenen Querstabilisatoren
erzeugen. Die hydraulische Schaltung ist auf eine pumpenunterstützte Druckmittelversorgung
ausgelegt, die mit der Durchfluss-Charakteristik einer hydraulischen
Servolenkung vergleichbar ist. Die zur Steuerung des Drucks und
der Durchflussrichtung erforderlichen Ventile sind in Verbindung
mit einer Sensorik in einem Ventilblock integriert. Sowohl das hierzu
verwendete Richtungs- als auch Sicherheitsventil sind als Schieberventile
ausgeführt,
die elektromagnetisch betätigt
werden. Das Richtungsventil ist als
Es ist die Aufgabe der Erfindung, mit möglichst geringem Aufwand ein kompaktes, besonders zuverlässiges und reaktionsschnelles Schieberventil zu schaffen, das u.a. für den Einsatz als Richtungs- und/oder Sicherheitsventil in einem Wankstabilisierungssystem besonders gut geeignet ist.It is the object of the invention, with the least possible effort compact, very reliable and to provide a responsive spool valve which is useful, inter alia, in the art. for use as a directional and / or safety valve in a roll stabilization system is particularly well suited.
Diese Aufgabe wird erfindungsgemäß für ein Schieberventil der angegebenen Art mit den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.These Task is according to the invention for a slide valve the specified type with the characterizing features of the claim 1 solved.
Weitere Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung gehen aus den Unteransprüchen und der Beschreibung mehrerer Ausführungsbeispiele hervor.Further Features, advantages and applications of the invention go from the dependent claims and the description of several embodiments.
Es zeigen:It demonstrate:
Die
Der
Hydraulikkreis nach
Vor
jedem der beiden Druckregelventile
Zur
hydraulischen Aktivierung bzw. Deaktivierung des Sicherheits- bzw.
des Richtungsventils ist einerseits eine zum Sicherheitsventil
Die
Rückstellung
des Sicherheits- und Richtungsventils
Folglich
wird zur gewünschten
hydraulischen Beaufschlagung der Aktuatoren die Betätigungskolben
Durch die hydraulische Beaufschlagung bzw. Entlastung der Kammern V1, V2 bzw. H1, H2 erfolgt in vorliegendem Ausführungsbeispiel in jedem der beiden Schwenkmotoren eine Verdrehung eines Rotationskörpers, der zur variablen Einstellung der Torsionssteifigkeit mit jeweils einem der beiden Querstabilisatoren mechanisch verbunden ist.By the hydraulic loading or unloading of the chambers V1, V2 or H1, H2 takes place in the present embodiment in each of the two Swivel motors a rotation of a body of revolution, for variable adjustment the torsional rigidity with one of the two anti-roll bars mechanically connected.
Die
Schaltstellungserkennung des Richtungsventils
Zur
feinfühligen,
bedarfgerechten Regelung des Pumpendrucks lassen sich die beiden
Druckregelventile
Die
Ausführung
des Richtungsventils
In
diesem Zusammenhang zeigt die
Die
Bei
Betrachtung des linken Hohlschieberteils ergibt sich weiterhin bei
geöffnetem
Sicherheitsventil
Zur
hydraulischen Betätigung
des Hohlschiebers in die nicht abgebildete Umschaltstellung als auch
zur hydraulisch unterstützen
Rückstellung
des zweiteiligen Hohlschiebers
Hierzu
sieht die Konstruktion vor, dass zur Kolbenstufe am Betätigungskolben
Die
stromabwärts
zum Pumpenanschluss PVA im Ventilblock
Sobald
aber das Pilotventil
In
dieser nicht abgebildeten linken Endlage des Hohlschiebers
Die
Aussagen zur Durchströmung
des Richtungsventils
Zur
Erfüllung
der bisher erläuterten
einfachen Durchströmung
des Richtungsventils
Die
bisher getroffenen Aussagen zum Aufbau und zur Funktion des Schieberventils
nach
Bei
Wunsch oder Bedarf lässt
sich überdies die
Druckfeder
Zusammenfassend
offenbart die Erfindung folgende besonders erwähnenswerte Merkmale:
Das
Richtungsventil
The directional valve
Zur
schnellschaltenden hydraulischen Betätigung des Richtungs- als ggf.
auch des Sicherheitsventils
Um
den Hohlschieber
Zum
möglichst
schnellen Zurückschalten des
Hohlschiebers
Durch
die auf die Flächendifferenz
A2-A1 permanent wirksame hydraulische Rückstellkraft wird überdies
der Hohlschieber
Durch
die vorgestellte Erfindung lassen sich minimale Schaltzeiten für das Schieberventil
realisieren, so dass die Erfindung nicht auf den vorgestellten spezielle
Anwendungsfall des Schieberventils als Richtungs- oder Sicherheitsventil
- 11
- Richtungsventildirectional valve
- 22
- DruckregelventilPressure control valve
- 33
- Pilotventilpilot valve
- 44
- Pilotventilpilot valve
- 55
- Festblendefixed aperture
- 66
- Sicherheitsventilsafety valve
- 77
- Drucksensorpressure sensor
- 88th
- Einlassventilintake valve
- 99
- PumpendruckleitungPump pressure line
- 1010
- Rückschlagventilcheck valve
- 1111
- Leitungsabzweigline branch
- 1212
- DruckversorgungsleitungPressure supply line
- 1313
- Leitungsabzweigungcircuit branch
- 1414
- SteuerdruckleitungControl pressure line
- 1515
- Wegsensordisplacement sensor
- 1616
- Hohlschieberhollow slide
- 1717
- Ventilblockmanifold
- 1818
- Stufenbohrungstepped bore
- 1919
- Laufbuchseliner
- 2020
- Druckfedercompression spring
- 2121
- Gehäuseanschlaghousing stop
- 2222
- RücklaufleitungReturn line
- 2323
- Betätigungskolbenactuating piston
- 2424
- Erste SteuerbohrungFirst control bore
- 2525
- Zweite SteuerbohrungSecond control bore
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004040560A DE102004040560A1 (en) | 2004-04-20 | 2004-08-21 | Slide valve for vehicle stabilizing systems has stepped piston which operates spring-loaded slide, pilot valve and inlet valve feeding hydraulic fluid on to opposite face of piston from slide |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004019096.8 | 2004-04-20 | ||
DE102004019096 | 2004-04-20 | ||
DE102004040560A DE102004040560A1 (en) | 2004-04-20 | 2004-08-21 | Slide valve for vehicle stabilizing systems has stepped piston which operates spring-loaded slide, pilot valve and inlet valve feeding hydraulic fluid on to opposite face of piston from slide |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004040560A1 true DE102004040560A1 (en) | 2005-11-10 |
Family
ID=35140205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004040560A Withdrawn DE102004040560A1 (en) | 2004-04-20 | 2004-08-21 | Slide valve for vehicle stabilizing systems has stepped piston which operates spring-loaded slide, pilot valve and inlet valve feeding hydraulic fluid on to opposite face of piston from slide |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004040560A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006024183A1 (en) * | 2006-05-23 | 2007-11-29 | Robert Bosch Gmbh | Pilot operated valve |
DE102006038472A1 (en) * | 2006-08-17 | 2008-03-27 | Trw Automotive Gmbh | Hydraulic valve and hydraulic circuit with such a hydraulic valve |
WO2010012325A1 (en) * | 2008-07-29 | 2010-02-04 | Hydac Electronic Gmbh | Circuit configuration and stabilization device using the circuit configuration |
WO2013131881A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydrostatic displacement machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449838A1 (en) * | 1979-02-23 | 1980-09-19 | Bennes Marrel | Hydraulic distributor for earth moving plant etc. - uses antagonistic two part pistons to displace repose sprung slide by acting on opposite ends |
DE4004931A1 (en) * | 1990-02-16 | 1991-08-22 | Rexroth Mannesmann Gmbh | PRESSURE SHUT-OFF VALVE |
DE4405035A1 (en) * | 1994-02-17 | 1995-08-31 | Wessel Hydraulik | Actuator valve to operate hydraulic control valve |
EP0887580A1 (en) * | 1997-06-25 | 1998-12-30 | Robert Bosch Gmbh | Hydraulically pilot-controlled pressure valve |
DE19749640A1 (en) * | 1997-11-10 | 1999-05-12 | Mannesmann Rexroth Ag | Hydraulic slider valve assembly |
-
2004
- 2004-08-21 DE DE102004040560A patent/DE102004040560A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449838A1 (en) * | 1979-02-23 | 1980-09-19 | Bennes Marrel | Hydraulic distributor for earth moving plant etc. - uses antagonistic two part pistons to displace repose sprung slide by acting on opposite ends |
DE4004931A1 (en) * | 1990-02-16 | 1991-08-22 | Rexroth Mannesmann Gmbh | PRESSURE SHUT-OFF VALVE |
DE4405035A1 (en) * | 1994-02-17 | 1995-08-31 | Wessel Hydraulik | Actuator valve to operate hydraulic control valve |
EP0887580A1 (en) * | 1997-06-25 | 1998-12-30 | Robert Bosch Gmbh | Hydraulically pilot-controlled pressure valve |
DE19749640A1 (en) * | 1997-11-10 | 1999-05-12 | Mannesmann Rexroth Ag | Hydraulic slider valve assembly |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006024183A1 (en) * | 2006-05-23 | 2007-11-29 | Robert Bosch Gmbh | Pilot operated valve |
DE102006038472A1 (en) * | 2006-08-17 | 2008-03-27 | Trw Automotive Gmbh | Hydraulic valve and hydraulic circuit with such a hydraulic valve |
WO2010012325A1 (en) * | 2008-07-29 | 2010-02-04 | Hydac Electronic Gmbh | Circuit configuration and stabilization device using the circuit configuration |
WO2013131881A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydrostatic displacement machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8130 | Withdrawal | ||
R120 | Application withdrawn or ip right abandoned |
Effective date: 20110225 |