EP1602823A1 - Druckpulsationsdämpfer und Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer - Google Patents
Druckpulsationsdämpfer und Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer Download PDFInfo
- Publication number
- EP1602823A1 EP1602823A1 EP05006793A EP05006793A EP1602823A1 EP 1602823 A1 EP1602823 A1 EP 1602823A1 EP 05006793 A EP05006793 A EP 05006793A EP 05006793 A EP05006793 A EP 05006793A EP 1602823 A1 EP1602823 A1 EP 1602823A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure pulsation
- pulsationsdämpfungskörper
- pulsation damper
- pressure
- medium
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/02—Liquid fuel
- F23K5/14—Details thereof
- F23K5/142—Fuel pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
- F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/02—Pumps peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/30—Pumps
Definitions
- the present invention relates to a pressure pulsation damper or a Fuel metering pump with a pressure pulsation damper.
- metering pumps for fuel or fuel powered heaters, such as used in motor vehicles as auxiliary heaters or auxiliary heaters become, which together with combustion air to be burned
- These metering pumps must be very ready for deployment formed exactly metered and comparatively small amounts of fuel and generally include a pump organ, for example a pump piston, the clocked in a pump chamber clocked back and forth is to, depending on the power stroke, in the pumping chamber to be pumped fuel take or eject this under pressure from the pumping chamber and to promote towards an exit area.
- a pump organ for example a pump piston
- this object is achieved by a pressure pulsation damper for a metering pump, in particular Kraftstoffdosierpumpe comprising one of a medium to be conveyed under pressure, Compressible Pulsationsdämpfungsharm.
- the Pulsationsdämpfungsharm a formed of flexible material hollow body is.
- the interior of the hollow body is tightly closed and filled with gas.
- the structure of the Druckpulsationsdämpfers invention for example be such that the Pulsationsdämpfungsêt in a Pulsationsdämpfergeophuse is arranged and between a housing interior surface and the Pulsationsdämpfungsschreib one of the formed medium to be conveyed medium flow-through flow space is.
- Pulsationsdämpfungs emotions in the flow direction of the under pressure elongated medium to be pumped.
- the Pulsationsdämpfungs redesign in the flow direction in Is formed substantially cylindrical.
- the Pulsationsdämpfungsharm in an uncompressed ground state with square edges on the housing inner surface rests.
- the present invention further relates to a metering pump, in particular A fuel metering pump, comprising a clocked in a pumping chamber Conveying of pumping medium to be conveyed movable and in the flow direction following the pumped medium to the pumping chamber a pressure pulsation damper according to the invention.
- a fuel metering pump is generally designated 10.
- the Fuel metering pump 10 comprises as a conveying member a pump piston 12, the by appropriate control of an electromagnet assembly 14 in its longitudinal direction clocked back and forth while moving in a him partially accommodating pumping chamber 16 is movable.
- a pump piston 12 When moving out the positioning of the pump piston 12 shown in Fig. 1 to the right this encounters the liquid fuel contained in the pumping chamber 16 via a generally designated 18 check valve to an exit area 20 out. In this movement can simultaneously from one Inlet area 22 further to be pumped liquid fuel in the direction of Pumping chamber 16 are sucked.
- the volume of Pumping chamber 16 increases and again in the next exhaust stroke to received or ejected liquid fuel.
- This pressure pulsation damper 24 includes, as seen in Fig. 2, an example line-like or tube-like ausgestaltetes and outwards completely completed housing 26. In this is a Pulsationsdämpfungs crusher 28 arranged. The Pulsationsdämpfungsharm 28 is shown in the Example configured cuboid, so in the flow direction of the elongated under pressure funded liquid fuel and has a square outer perimeter on.
- the Pulsationsdämpfungsharm 28 is as Hollow body designed and includes a comparatively thin wall 30 of flexible, so elastically deformable material, the cavity 32 surrounds and preferably completely and tightly closes.
- Cavity 32 may be a compressible medium such as e.g. Gas, arranged be.
- Pulsationsdämpfungs stresses 28 such that this with its in the flow direction extending edges 34 in the uncompressed ground state at a Inner surface 36 of the housing rests.
- the interior volume of the Housing 36 is thus divided into four uniform channel regions 38, the in their entirety a flow space 40 for the under pressure promoted define liquid fuel.
- the under pressure in the exit region 20 reaching liquid fuel flows along the channel regions 38 and thus flows around the Pulsationsdämpfungsianu 28 or flows through the between this and the housing 26 formed flow space. Due to the flexibility and compressibility the Pulsationsdämpfungs stressess 28 this can occur when of pressure spikes change shape, i. be compressed so that the Volume of the flow space 40 to increase as the pressure increases. This increase in the volume of the flow space 40 acts the rising Pressure, i. leads to a relaxation of the under pressure funded medium. If the pressure subsequently drops again, then the Pulsationsdämpfungsêt 28 return to its basic form and while the volume of the flow space 40 increase again.
- FIG. 3 and FIG. 4 A modified embodiment of such a pressure pulsation damper 24 is shown in FIG. 3 and FIG. 4.
- the example configured again with cuboid outer contour Pulsationsdämpfungsisson 28 is dimensioned such that he the inner surface 36 of the housing 26 is not touched, so for example its edges 34 also or at least in undeformed or uncompressed Basic state does not rest on this inner surface 36.
- the Flow space 40 is thus not in individual separate channels divided, but extends in the circumferential direction continuously and without Interruption along the inner surface 36, leaving an unwanted Completing the flow space 40 can be completely avoided.
- the passed through the flow space 40 can liquid fuel through radial openings 42, 44 in one Outlet opening 46 having insert 48 pass, or may at at one end of this body 48, at which the Pulsationsdämpfungsharm 28 is supported, formed grooves 50 or the like. get to this opening 46.
- Pulsationsdämpfers 24 Due to the inventive design of the Druckpulsationsdämpfers 24 with a arranged in a housing and on its outside flow around Pulsationsdämpfungs phenomenon is a reliable homogenization of the pressure level attained. Of significant advantage is that of Pulsationsdämpfungs redesign 28 flows around its outside, the in turn is completely surrounded by the housing 26. Leaks in the Material of Pulsationsdämpfungs stressess 28 thus not necessarily also a leak in the production line to the episode.
- Pulsationsdämpfungs stresses 28 suitable materials are to be used, in particular suitable in terms of the desired flexibility, but above all also suitable in terms of of the medium to be promoted.
- the material may therefore by the zu promoting medium should not be vulnerable.
- Fuel has especially rubber-like material as beneficial proved.
- shape and the dimensioning of Pulsationsdämpfungs stresses 28 on adapted to the requirements occurring in the specific field of application can be.
- not only the illustrated cylindrical Be selected cuboid shape but for example, a circular cylindrical shape.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Fig. 1
- eine Längsschnittansicht einer Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer;
- Fig. 2
- eine Querschnittansicht des in Fig. 1 gezeigten Druckpulsationsdämpfers, geschnitten längs einer Linie II-II in Fig. 1;
- Fig. 3
- eine der Fig. 1 entsprechende Ansicht einer weiteren Kraftstoffdosierpumpe mit einem alternativ ausgestalteten Druckpulsationsdämpfer;
- Fig. 4
- eine Längsschnittansicht des im Kreis IV in Fig. 3 gezeigten Druckpulsationsdämpfers in vergrößerter Darstellung.
Claims (11)
- Druckpulsationsdämpfer für eine Dosierpumpe, insbesondere Kraftstoffdosierpumpe, umfassend einen von einem unter Druck zu fördernden Medium umströmbaren, kompressiblen Pulsationsdämpfungskörper (28).
- Druckpulsationsdämpfer nach Anspruch 1,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) ein aus flexiblem Material ausgebildeter Hohlkörper ist. - Druckpulsationsdämpfer nach Anspruch 2,
dadurch gekennzeichnet, dass ein Innenraum (32) des Hohlkörpers mit kompressiblem Medium gefüllt ist. - Druckpulsationsdämpfer nach Anspruch 3,
dadurch gekennzeichnet, dass der Innenraum (32) des Hohlkörpers dicht abgeschlossen ist und mit Gas gefüllt ist. - Druckpulsationsdämpfer nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) in einem Pulsationsdämpfergehäuse (26) angeordnet ist und zwischen einer Gehäuseinnenoberfläche (36) und dem Pulsationsdämpfungskörper (28) ein von dem unter Druck zu fördernden Medium durchströmbarer Strömungsraum (40) gebildet ist. - Druckpulsationsdämpfer nach Anspruch 5,
dadurch gekennzeichnet, dass zumindest in einem unkomprimierten Grundzustand der Pulsationsdämpfungskörper (28) die Gehäuseinnenoberfläche (36) nicht berührt. - Druckpulsationsdämpfer nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) in Strömungsrichtung des unter Druck zu fördernden Mediums langgestreckt ist. - Druckpulsationsdämpfer nach Anspruch 7,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) in Strömungsrichtung im Wesentlichen zylindrisch ausgebildet ist. - Druckpulsationsdämpfer nach Anspruch 7 oder 8,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) quaderförmig ausgebildet ist. - Druckpulsationsdämpfer nach Anspruch 5 und Anspruch 9,
dadurch gekennzeichnet, dass der Pulsationsdämpfungskörper (28) in einem unkomprimierten Grundzustand mit Quaderkanten (34) an der Gehäuseinnenoberfläche (36) anliegt. - Dosierpumpe, insbesondere Kraftstoffdosierpumpe, umfassend ein in einer Pumpkammer (16) zum getakteten Fördern von zu förderndem Medium bewegbares Pumporgan (12) und in Strömungsrichtung des zu fördernden Mediums auf die Pumpkammer (16) folgend einen Druckpulsationsdämpfer (24) nach einem der vorangehenden Ansprüche.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05006793T PL1602823T3 (pl) | 2004-05-19 | 2005-03-29 | Tłumik pulsacji ciśnienia i pompa dozowania paliwa z tłumikiem pulsacji ciśnienia |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004024865A DE102004024865A1 (de) | 2004-05-19 | 2004-05-19 | Druckpulsationsdämpfer und Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer |
DE102004024865 | 2004-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1602823A1 true EP1602823A1 (de) | 2005-12-07 |
EP1602823B1 EP1602823B1 (de) | 2007-09-19 |
Family
ID=34934558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05006793A Not-in-force EP1602823B1 (de) | 2004-05-19 | 2005-03-29 | Druckpulsationsdämpfer und Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1602823B1 (de) |
DE (2) | DE102004024865A1 (de) |
PL (1) | PL1602823T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015004452B3 (de) * | 2015-04-04 | 2016-06-09 | Thomas Magnete Gmbh | Verfahren zum Betrieb einer Dosiereinrichtung mit integrierter Temperaturmessung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1349155A (en) * | 1971-03-01 | 1974-03-27 | Lucas Industries Ltd | Device for damping fluid pressure fluctuations |
DE2924796A1 (de) * | 1979-06-20 | 1981-01-22 | Bosch Gmbh Robert | Daempfungselement |
GB2382623A (en) * | 2001-11-02 | 2003-06-04 | Visteon Global Tech Inc | Pressure pulsation damper for i.c. engine fuel rail |
EP1371840A2 (de) * | 2002-06-12 | 2003-12-17 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem mit einem Festkörperdämpfungselement |
US20040035399A1 (en) * | 2001-04-02 | 2004-02-26 | Curran Steven M. | Fuel rail damping device |
-
2004
- 2004-05-19 DE DE102004024865A patent/DE102004024865A1/de not_active Ceased
-
2005
- 2005-03-29 EP EP05006793A patent/EP1602823B1/de not_active Not-in-force
- 2005-03-29 PL PL05006793T patent/PL1602823T3/pl unknown
- 2005-03-29 DE DE502005001513T patent/DE502005001513D1/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1349155A (en) * | 1971-03-01 | 1974-03-27 | Lucas Industries Ltd | Device for damping fluid pressure fluctuations |
DE2924796A1 (de) * | 1979-06-20 | 1981-01-22 | Bosch Gmbh Robert | Daempfungselement |
US20040035399A1 (en) * | 2001-04-02 | 2004-02-26 | Curran Steven M. | Fuel rail damping device |
GB2382623A (en) * | 2001-11-02 | 2003-06-04 | Visteon Global Tech Inc | Pressure pulsation damper for i.c. engine fuel rail |
EP1371840A2 (de) * | 2002-06-12 | 2003-12-17 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem mit einem Festkörperdämpfungselement |
Also Published As
Publication number | Publication date |
---|---|
DE502005001513D1 (de) | 2007-10-31 |
DE102004024865A1 (de) | 2005-12-15 |
PL1602823T3 (pl) | 2007-11-30 |
EP1602823B1 (de) | 2007-09-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1671031B1 (de) | Fluidpumpe, insbesondere kraftstoffhochdruckpumpe, mit druckdämpfer | |
EP1774177B1 (de) | Kolbenpumpe mit verbessertem wirkungsgrad | |
WO2017148661A1 (de) | Dämpferkapsel, druckpulsationsdämpfer und kraftstoffhochdruckpumpe | |
WO2004040128A1 (de) | Kraftstoffhochdruckpumpe mit kugelventil im niederdruck-einlass | |
DE102010064114B4 (de) | Pumpe mit einer Drossel | |
EP1764504A1 (de) | Elektromagnetisch betreibbare Dosierpumpe | |
EP1602823A1 (de) | Druckpulsationsdämpfer und Kraftstoffdosierpumpe mit einem Druckpulsationsdämpfer | |
DE10301093A1 (de) | Dosierpumpeinrichtung für ein Fahrzeugheizgerät | |
EP1857673B1 (de) | Dosierpumpe, insbesondere zum Fördern von Brennstoff für ein Fahrzeugheizgerät | |
DE102006035054B4 (de) | Hydraulischer Dämpfer für eine Fahrzeugbremsanlagen-Kolbenpumpe | |
EP2507504B1 (de) | Schaltventil, insbesondere zur zumessung eines fluids für eine stromabwärts angeordnete förderpumpe | |
EP1731761A1 (de) | Dosierpumpe | |
DE102010063357A1 (de) | Ventil für eine hydraulische Kolbenpumpe | |
DE10302043A1 (de) | Kraftstoffhochdruckpumpe mit Kugelventil im Niederdruck-Einlass | |
EP2379871A1 (de) | Hochdruckpumpe | |
WO2019134990A1 (de) | Kraftstoffhochdruckpumpe für ein kraftstoffeinspritzsystem | |
EP3594572B1 (de) | Fahrzeugheizgerät mit kraftstoffanschlusseinheit | |
DE102016220610A1 (de) | Hochdruckpumpe für ein Kraftstoffeinspritzsystem | |
DE10148650C1 (de) | Kraftstoff-Einspritzsystem für eine Brennkraftmaschine mit Direkteinspritzung | |
DE102005058317A1 (de) | Injektor einer Brennkraftmaschine | |
DE102011084995A1 (de) | Wegeventil mit integrierter Drossel | |
WO2019185435A1 (de) | Kraftstoffhochdruckpumpe für ein kraftstoffeinspritzsystem | |
DE102011004362A1 (de) | Dosierpumpe, insbesondere zum Fördern von Kraftstoff | |
DE102010043314A1 (de) | Dosierpumpe | |
DE19652609A1 (de) | System zur Injektion von Feststoff-Suspensionen, insbesondere Suspensionen mit ultrafeinen Zementpartikeln |
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 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR LV MK YU |
|
17P | Request for examination filed |
Effective date: 20060607 |
|
AKX | Designation fees paid |
Designated state(s): CZ DE FR PL SE |
|
17Q | First examination report despatched |
Effective date: 20061214 |
|
17Q | First examination report despatched |
Effective date: 20061214 |
|
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): CZ DE FR PL SE |
|
REF | Corresponds to: |
Ref document number: 502005001513 Country of ref document: DE Date of ref document: 20071031 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: PL Ref legal event code: T3 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
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 |
|
26N | No opposition filed |
Effective date: 20080620 |
|
EUG | Se: european patent has lapsed | ||
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20081125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080330 |
|
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: 20080331 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CZ Payment date: 20090324 Year of fee payment: 5 |
|
REG | Reference to a national code |
Ref country code: PL Ref legal event code: LAPE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080329 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100329 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 502005001513 Country of ref document: DE Representative=s name: WEICKMANN & WEICKMANN, DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502005001513 Country of ref document: DE Owner name: EBERSPAECHER CLIMATE CONTROL SYSTEMS GMBH & CO, DE Free format text: FORMER OWNER: J. EBERSPAECHER GMBH & CO. KG, 73730 ESSLINGEN, DE Effective date: 20130607 Ref country code: DE Ref legal event code: R082 Ref document number: 502005001513 Country of ref document: DE Representative=s name: WEICKMANN & WEICKMANN, DE Effective date: 20130607 Ref country code: DE Ref legal event code: R082 Ref document number: 502005001513 Country of ref document: DE Representative=s name: RUTTENSPERGER LACHNIT TROSSIN GOMOLL PATENT- U, DE Effective date: 20130607 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 502005001513 Country of ref document: DE Representative=s name: RUTTENSPERGER LACHNIT TROSSIN GOMOLL PATENT- U, DE |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20190331 Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502005001513 Country of ref document: DE |
|
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: 20201001 |