EP1297263B1 - Hydraulikenergiespeicher mit einem aus metall bestehenden faltenbalg - Google Patents
Hydraulikenergiespeicher mit einem aus metall bestehenden faltenbalg Download PDFInfo
- Publication number
- EP1297263B1 EP1297263B1 EP01984061A EP01984061A EP1297263B1 EP 1297263 B1 EP1297263 B1 EP 1297263B1 EP 01984061 A EP01984061 A EP 01984061A EP 01984061 A EP01984061 A EP 01984061A EP 1297263 B1 EP1297263 B1 EP 1297263B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- bellows
- end wall
- sensor system
- energy accumulator
- 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 - Lifetime
Links
Images
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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/22—Liquid port constructions
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
- F15B1/033—Installations or systems with accumulators having accumulator charging devices with electrical control means
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
- F15B1/103—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means the separating means being bellows
-
- 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
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/205—Accumulator cushioning means using gas
-
- 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
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/21—Accumulator cushioning means using springs
-
- 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
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/315—Accumulator separating means having flexible separating means
- F15B2201/3153—Accumulator separating means having flexible separating means the flexible separating means being bellows
-
- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve means
-
- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/415—Gas ports
-
- 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
- F15B2201/00—Accumulators
- F15B2201/50—Monitoring, detection and testing means for accumulators
- F15B2201/515—Position detection for separating means
Definitions
- the invention is based on a hydraulic unit according to the preamble of claim 1.
- Such a hydraulic unit is known from DE 19 906 800.
- the publication DE 3048651 A1 is a hydraulic energy store known with a housing that is cylindrical inside is formed and has an axially displaceable piston, which is sealed relative to the housing by means of a sealing ring is and a hydraulic room from a gas room separates. Gas is under pressure in the gas space, so that the gas forms a cushion that when filling hydraulic Pressure fluid in the hydraulic chamber can be compressed elastically is. So the piston forms a kind of movable Wall.
- the hydraulic space is limited by one Wall through which a plunger extends, which in the longitudinal axis of the piston is aligned within the Wall is guided sealingly and on the one hand in the hydraulic room protrudes and on the other hand protrudes from the housing.
- the switch is a type of sensor technology, via the almost draining of the hydraulic space is noticeable is.
- the description of the document DE 3048651 A1 points also point out that the movable wall can be elastic and can be, for example, a bubble.
- the publication DE 1525776 A1 is another hydraulic energy store known with a movable wall, a plunger actuated by the movable wall and one Switch and between the plunger and the switch of an assembly of a rocker arm gearbox that over one of it swiveling control cam actuates the switch when the movable wall roughly determined its constructive End position that corresponds to the emptying position has been reached Has.
- the switch then gives a signal for an indicator lamp or / and switching on a pump drive motor.
- the moveable Wall of one is part of an elastic bubble or a displaceable piston.
- the publication DE 1525776 A1 also indicates that optional a potentiometer or a photocell with a relay is provided can be.
- the publication EP 0980981 A1 is another hydraulic energy store known, optionally as a so-called High pressure accumulator or a so-called medium pressure accumulator is formed and within one of a housing surrounding installation space made of metal Bellows has a hydraulic chamber for variable limitation.
- a so-called medium pressure accumulator only the elasticity of the bellows serves Storing energy.
- the embodiment is created in the metallic bellows in the form of the so-called high-pressure accumulator.
- the hydraulic energy storage is for example in a slip-controlled hydraulic motor vehicle brake system provided, the gas tightness of the metal from which the bellows is made, beneficial for years is for keeping upholstery gas out of that Hydraulic fluid, by means of which the hydraulic vehicle brake system is operated.
- the publication DE 19833410 A1 contains two further hydraulic energy stores known with bellows that are movable Have end walls and with acting on the end walls Coil springs are equipped that when compressed can be tensioned by means of hydraulic energy and this Form energy storage.
- the bellows consist of Steel. Therefore, these hydraulic energy storage devices also have the advantage that they are basically gas-tight in the long run are. These hydraulic energy stores are for installation provided in hydraulic vehicle brake systems.
- the hydraulic unit according to claim 1 has the Advantage that the Sensor technology for detecting the alignment of the front wall of the Bellows is intended within the housing, with their electrical connections directly into an electronic evaluation and control circuit is used and this type of Laying special sensor connection cables, the cost cause and possibly unusable due to cable breaks be avoided.
- the hydraulic unit according to the invention with the characteristic Features of claim 2 has the advantage that a desired pressure difference between the hydraulic room and the gas space comes about using a thin-walled one trained bellows, in which the same Longitudinal compression less mechanical tension in the metal which increases security against breakage and leakage results.
- FIG. 1 shows a first embodiment in longitudinal section in a filled state
- Figure 2 is a single part of the embodiment of Figure 1
- Figure 3 shows the embodiment 1 in a different operating state, also in longitudinal section
- Figure 4 shows a modification from the first embodiment with regard to the sensors
- Figure 5 shows a second modification with a further sensor system
- FIG. 6 shows a fourth exemplary embodiment of the Sensors.
- the first embodiment of the hydraulic unit according to the invention according to Figures 1 to 3 has a housing 3, which has an installation space 4 for a metallic bellows 5 surrounds, and a sensor system 6.
- the housing 3 is simplified and is shown as a hollow cylinder and has a peripheral wall 7, a first end wall 8 and a second end wall 9. Here it is the designer optional, where he makes the housing 3 divisible, so that you have the installation space 4 accessible for installing the metallic bellows 5.
- the metallic bellows 5 has a first fixed end 10 and a second movable end 11 and with this end 11 gastight connected an end wall 12. Between the first fixed end 10 and the second movable end 11 are the folds 5 typical of the bellows 13.
- the Folds 13 can be produced, for example, according to the state the technology by partially expanding a thin-walled Tube within a divisible form.
- the end wall 12 is for example by means of a weld seam 14 on the second movable one End 11 of the bellows 5 gas-tight attached.
- the first fixed end 10 of the bellows 5 is for example by means of a weld seam 15 within the installation space 4 the first end wall 8 welded gas-tight.
- One of those Bellows 5 between the first end wall 8 of the housing 3 and the end wall 12 of the bellows 5 delimited cavity 16 is intended to be used for the purpose of energy storage compressible gas to be filled. Because that Filling such bellows with energy storage serving gas belongs to the state of the art, here is one for example, execution of a gas filler post is dispensed with Service.
- the installation space 4 has a length dimension A.
- the metal bellows 5 together with its end wall has a way 12 as long as it is outside the installation space 4, a length that is 10% longer than, for example a length dimension A. This has then deliberately when installing in the installation space 4, the effect that when in Installation space 4 and also in the cavity 16 of the bellows atmospheric pressure there is the end wall 12 of the bellows 5 either on the inside of the second end wall 9 or then, if an elastic sealing ring 17 is installed in the end wall 9 is, with a minimum force on this elastic Sealing ring 17 rests.
- this elastic sealing ring 17 has the same task as that mentioned in the introduction Document DE 19847325 A1 provided sealing ring against which a valve plate located on a bellows face located, can be created, can be further description here to be dispensed with.
- the bellows 5 consists of a metallic material, usually made of resilient material such as steel or spring hard Brass, has a 5 in. Compression of the bellows Longitudinal direction when installing a subsequent pressing of the End wall 12 on the elastic sealing ring 17 or with omitted Sealing ring on the surface of the second end wall 9 result.
- a hydraulic connection opening 18 of the hydraulic energy store 2 is in the exemplary embodiment according to FIG an imaginary longitudinal axis of the metallic bellows 5 arranged. So then, as shown in Figure 3 is when the end wall 12 of the bellows is close enough located at the second end wall 9 of the housing 3, the Sensor 6 can be actuated, is between the end wall 12 of the Bellows 5 and the sensors 6 a longitudinally displaceably mounted Tappet 19 installed, which is characterized by the hydraulic Connection opening 18 extends.
- the Sensor system 6 in the form of one that can be removed from the prior art Switch formed with a movable contact 20th and a fixed contact 21.
- the contacts 20 and 21 can be arranged in a microswitch housing 22 which in can be fastened in a known manner to a circuit board 23.
- the board 23 is the carrier one in detail Evaluation and control circuit, not shown, of a hydraulic vehicle brake system, for example also serves for brake slip control.
- a hydraulic vehicle brake system has a hydraulic block 24 in which in not illustrated manner electrically controllable valves and for example also installed a piston pump, not shown are.
- the hydraulic block 24 has a guide bore 26 on, relative to that of the plunger 19 longitudinally displaceable is. So no through this guide bore 26 Pressure medium escapes, an elastic sealing ring 27 is installed, which seals the plunger 19.
- the plunger 19 can have a collar 28, which in the direction of the end wall 12 of the bellows 5 by means of a coil spring 29 is loaded. So that these Coil spring 29 can exert this load is the Coil spring 29 assigned a support disc 30 firmly in the hydraulic block 24 installed. So that the plunger 19 can extend to the sensor system 6 is the support disk 30 designed as an annular disc.
- the hydraulic energy store 2 in such a way like a filled and under pressure Gas cushion in the cavity 16 is pressed together by filling of hydraulic pressure medium not shown in the installation cavity 4.
- the above described formation of the metallic bellows 5 and by the elastic compression of the folds 13 Pressure in the hydraulic pressure medium is a higher pressure than the gas pressure within the cavity 16 of the bellows 5.
- the bellows 5 or one of the weld seams 14, 15 leaks, that is to say any if there is a leak, there is a pressure difference in the leak in the sense of a pressure drop from the hydraulic pressure medium towards the gas cushion.
- the mentioned evaluation and control circuit is then designed so that it the operating state the sensor 6 recognizes and one not shown Alarm device activated. It can be seen that with one hydraulic pressure present within the installation space 4 a leakage of the bellows 5 is indicated, regardless of whether by any chance all upholstery gas is in the bellows 5 or a subset of which, for example, when the leak is at its highest Location of the bellows 5 should be in the installation space 4 has leaked.
- a spring 35 is shown inside the bellows .
- the spring 35 manufactured in such a way that they have a has a predetermined length, whereby the spring 35 is installed Condition has a bias. That in this Preloading of the spring 35 gives the possibility to make the bellows 5 thinner, which is known the load at the same longitudinal compression the material of the bellows 5 becomes smaller. This works an unwanted failure of the bellows 5 as a result of Material fatigue counter.
- FIGS. 1 and 3 show the cheapest sensor system 6 per se, which is cheap in the form of a microswitch on the market can shop, shown. Can be seen when using of only one movable contact 20 and one fixed Contact 21 that just an already very close approximation the end wall 12 of the bellows 5 to the second end wall 9 or sensible to the elastic seal 17 is. But if you have one for any reason greater distance from the end wall 12 of the bellows 5 from the elastic seal 17 and the second end wall 9 of the housing 3 wants to get displayed, so you can use a pestle 19a connect with a soft magnetic coil core 37 and on the movement path of the coil core 37, for example, two coils 38, 39 of a so-called differential transformer 40 provide.
- At least one permanent magnet 43 is in turn attached to a plunger 19a, so that it by means of Tappet 19a relative to the stationary Hall effect sensor 44 is movable relative to a movement to the Hall effect sensor 44 which emits a sensor signal.
- At least one permanent magnet is considered the minimum solution specified because one is relatively simple by means of such trained sensors, for example a microswitch with only one movable contact 20 and one single immobile contact 21 can replace.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Diaphragms And Bellows (AREA)
Description
Claims (6)
- Hydraulisches Aggregat für eine Fahrzeugbremsanlage, mit einem Hydraulikenergiespeicher mit einem Gehäuse, das einen Einbauraum aufweist für einen metallischen Faltenbalg, der ein unbewegliches Ende und ein bewegliches Ende mit einer abgedichtet angeordneten Stirnwand aufweist, wobei der metallische Faltenbalg hydraulisches Druckmittel von einem unter Druck eingeschlossenen Gas trennt, wobei der metallische Faltenbalg (5) derart beschaffen ist, dass er in nicht mit Gas gefülltem Zustand vor dem Einbau in den Einbauraum (4)eine Länge aufweist, die länger ist als ein Längenmaß (A) des Einbauraums (4) und dass beim Einsetzen des Faltenbalgs (5) dieser elastisch verkürzt wird, wobei dem Gehäuse (3) eine Sensorik (6, 6a, 6b, 6c) zugeordnet ist zum Sensieren der Ausrichtung der Stirnwand (12) anläßlich von deren Bewegung in Richtung einer Entleerungsstellung des Hydraulikenergiespeichers,
wobei das Gehäuse (3) des Hydraulikenergiespeichers (21 in einer den Einbauraum (4) begrenzenden Stirnwand (9) eine in einer Verlängerung der Längsachse des Faltenbalgs liegende hydraulische Anschlußöffnung (18) hat, dadurch gekennzeichnet, dass die Anschlußöffnung (18) mit einem Hydraulikblock (24) kommuniziert. und dass dem Hydraulikblock (24) eine Platine (23) einer Auswerte- und Steuerschaltung der hydraulischen Fahrzeugbremsanlage zugeordnet ist, dass wenigstens ein ortsfester Teil der Sensorik (6, 6a, 6b, 6c) im wesentlichen zur Längsachse des Faltenbalgs (5) fluchtend an der Platine (23) der Auswerteund Steuerschaltung befestigt ist und dass ein die Sensorik (6,6a,6b,6c) betätigender längsverschieblich gelagerter Stößel (19) zwischen der Sensorik (6,6a,6b,6c) und der Stirnwand (12) des Faltenbalgs (5) eingefügt ist, sich durch die hydraulische Anschlußöffnung (18) des Hydroenergiespeichers (2) erstreckt und relativ zur Sensorik (6, 6a, 6b, 6c) innerhalb des Hydraulikblocks (24) hydraulisch abgedichtet ist. - Hydraulisches Aggregat nach Anspruch 1, dadurch gekennzeichnet, dass in den Hydraulikenergiespeicher (2) eine Feder (35) derart eingebaut ist, dass sie innerhalb des Hydraulikenergiespeichers (2) eine Vorspannung aufweist, die die Stirnwand (12) des Faltenbalgs (5) in Richtung einer Entleerungsstellung des Hydraulikspeichers (2) belastet.
- Hydraulisches Aggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sensorik (6) als ein einen beweglichen Kontakt (20) aufweisender Schalter ausgebildet ist.
- Hydraulisches Aggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sensorik (6a) in Form eines Differenzialtransformators (40) mit einem bewegbaren Spulenkern (37) ausgebildet ist.
- Hydraulisches Aggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sensorik (6b) als ein Ohm' sches Potenziometer (41) ausgebildet ist.
- Hydraulisches Aggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sensorik (6c) aus einem ortsfest angeordneten Hall-Effekt-Sensor (44) und wenigstens einem von dem Stößel (19a) bewegbaren Permanentmagnet (43) besteht.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10030937 | 2000-06-24 | ||
DE10030937A DE10030937A1 (de) | 2000-06-24 | 2000-06-24 | Hydraulikenergiespeicher mit einem aus Metall bestehenden Faltenbalg |
PCT/DE2001/002269 WO2002001076A2 (de) | 2000-06-24 | 2001-06-22 | Hydraulikenergiespeicher mit einem aus metall bestehenden faltenbalg |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1297263A2 EP1297263A2 (de) | 2003-04-02 |
EP1297263B1 true EP1297263B1 (de) | 2004-09-08 |
Family
ID=7646746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01984061A Expired - Lifetime EP1297263B1 (de) | 2000-06-24 | 2001-06-22 | Hydraulikenergiespeicher mit einem aus metall bestehenden faltenbalg |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1297263B1 (de) |
DE (2) | DE10030937A1 (de) |
WO (1) | WO2002001076A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10207598A1 (de) * | 2001-02-23 | 2002-11-07 | Continental Teves Ag & Co Ohg | Druckmittelspeicher |
DE10119357C2 (de) * | 2001-04-20 | 2003-11-27 | Bosch Gmbh Robert | Hydraulikenergiespeicher mit einem Faltenbalg mit prüfbarer Endlagendichtung |
DE10236391B3 (de) * | 2002-08-08 | 2004-04-08 | Robert Bosch Gmbh | Verfahren zur Prüfung eines Druckmittelspeichers |
DE10242248A1 (de) * | 2002-09-12 | 2004-03-25 | Robert Bosch Gmbh | Verfahren zur Speicherüberwachungs in einem Speicherladensystem |
DE10305001B9 (de) * | 2003-02-07 | 2013-09-12 | Carl Freudenberg Kg | Metallbalgdruckspeicher für hydraulische Systeme |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2933557C2 (de) * | 1979-08-18 | 1982-11-04 | Robert Bosch Gmbh, 7000 Stuttgart | Meßumformer zur berührungslosen Weg- oder Geschwindigkeitsmessung |
DE3048651A1 (de) | 1980-12-23 | 1982-07-15 | Gesellschaft für Hydraulik-Zubehör mbH, 6603 Sulzbach | "druckbehaelter, insbesondere hydropneumatischer speicher" |
DE3133111A1 (de) * | 1981-08-21 | 1983-04-14 | Robert Bosch Gmbh, 7000 Stuttgart | Druckbeschaffungseinrichtung |
US4691739A (en) * | 1986-09-02 | 1987-09-08 | United Aircraft Products, Inc. | Bootstrap reservoir |
JPH02186102A (ja) * | 1989-01-10 | 1990-07-20 | Nakamura Koki Kk | ピストン型アキュムレータのピストン位置検知装置 |
IT1283462B1 (it) * | 1996-07-19 | 1998-04-21 | Abb Adda S P A | Dispositivo oleopneumatico per il comando di interruttori elettrici |
DE19833410B4 (de) | 1998-07-24 | 2005-02-10 | Lucas Industries Public Limited Company, Solihull | Hydraulische Ansteuereinheit für eine Kraftfahrzeugbremsanlage |
EP0980981B1 (de) | 1998-08-17 | 2003-11-26 | Continental Teves AG & Co. oHG | Druckmittelspeicher |
DE19906800A1 (de) * | 1998-11-25 | 2000-05-31 | Continental Teves Ag & Co Ohg | Druckmittelspeicher |
-
2000
- 2000-06-24 DE DE10030937A patent/DE10030937A1/de not_active Withdrawn
-
2001
- 2001-06-22 DE DE50103556T patent/DE50103556D1/de not_active Expired - Fee Related
- 2001-06-22 EP EP01984061A patent/EP1297263B1/de not_active Expired - Lifetime
- 2001-06-22 WO PCT/DE2001/002269 patent/WO2002001076A2/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE10030937A1 (de) | 2002-01-03 |
EP1297263A2 (de) | 2003-04-02 |
WO2002001076A2 (de) | 2002-01-03 |
WO2002001076A3 (de) | 2002-07-18 |
DE50103556D1 (de) | 2004-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0082367B1 (de) | Hydraulischer Zweikreis-Tandem-Hauptbremszylinder | |
DE69818221T3 (de) | Pedalwegsimulator mit feder mit nicht-linearer kraft-weg kennlinie | |
EP2375085B1 (de) | Stellantrieb zum Stellen eines Stellglieds und Verfahren zum Erfassen der Stellung des Stellglieds | |
DE102010036711A1 (de) | Prozessventil mit Kraftmesseinrichtung | |
DE102005029494B4 (de) | Kolben-Zylinder-Anordnung | |
EP1297263B1 (de) | Hydraulikenergiespeicher mit einem aus metall bestehenden faltenbalg | |
DE10130955B4 (de) | Durchgangsventil | |
EP2110642A2 (de) | Positionsmesssystem | |
DE10119357C2 (de) | Hydraulikenergiespeicher mit einem Faltenbalg mit prüfbarer Endlagendichtung | |
DE10236923B4 (de) | Federspeicherzylinder | |
EP1184650A1 (de) | Drucksensor | |
DE10116995B4 (de) | Hydraulikeinrichtung | |
WO2009106221A1 (de) | Rückschlagventil mit wegsensor | |
WO1992021012A1 (de) | Verfahren zum messen des druckes eines gases in einem gasdruckspeicher und vorrichtung zum durchführen desselben | |
DE10018189A1 (de) | Druckmittelspeicher | |
DE3502614A1 (de) | Bremsdrucksteuerventil | |
EP3728847B1 (de) | Verdichter und verfahren zum verdichten eines arbeitsmediums | |
DE102021106092A1 (de) | Vorrichtung zur Kompensation von Längenänderungen in einer Rohrleitung | |
DE202021104690U1 (de) | Stellventileinheit mit einer Messeinrichtung | |
DE102009051406A1 (de) | Vorrichtung zur sensortechnischen Ermittlung einer Druckdifferenz in einer druckluftdurchströmten Arbeitsleitung | |
DE1946134A1 (de) | Regeleinrichtung fuer eine hydraulische Bremsanlage fuer Fahrzeuge | |
WO1993015323A1 (en) | High-pressure hydraulic unit | |
DE3939978A1 (de) | Unterdruck-bremskraftverstaerker | |
DE102022000382A1 (de) | Hydrospeicher | |
DE3636185C2 (de) | Kontrolleinrichtung für die druckmittelbetriebene Bremsanlage eines Fahrzeugs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030124 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20040908 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 50103556 Country of ref document: DE Date of ref document: 20041014 Kind code of ref document: P |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20050121 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20050816 Year of fee payment: 5 |
|
26N | No opposition filed |
Effective date: 20050609 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20060621 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20060626 Year of fee payment: 6 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070103 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20070622 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20080229 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070622 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070702 |