DE102008000733A1 - Housing for fluid pump i.e. gear wheel pump, for delivering fuel, has bearing sleeve for receiving gear wheel or rotor, and connected with housing in single piece, where housing is casting component, and manufactured from material - Google Patents
Housing for fluid pump i.e. gear wheel pump, for delivering fuel, has bearing sleeve for receiving gear wheel or rotor, and connected with housing in single piece, where housing is casting component, and manufactured from material Download PDFInfo
- Publication number
- DE102008000733A1 DE102008000733A1 DE200810000733 DE102008000733A DE102008000733A1 DE 102008000733 A1 DE102008000733 A1 DE 102008000733A1 DE 200810000733 DE200810000733 DE 200810000733 DE 102008000733 A DE102008000733 A DE 102008000733A DE 102008000733 A1 DE102008000733 A1 DE 102008000733A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- gear wheel
- pump
- rotor
- bearing sleeve
- 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- Withdrawn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
- 239000000463 material Substances 0.000 title claims abstract description 15
- 239000000446 fuel Substances 0.000 title claims abstract description 11
- 238000005266 casting Methods 0.000 title claims abstract 4
- 239000012530 fluid Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 230000036961 partial effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000004512 die casting Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/21—Manufacture essentially without removing material by casting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/91—Coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/02—Light metals
- F05C2201/021—Aluminium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0475—Copper or alloys thereof
- F05C2201/0478—Bronze (Cu/Sn alloy)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/90—Alloys not otherwise provided for
- F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Die Erfindung betrifft ein Gehäuse für eine Fluidpumpe, insbesondere für eine Zahnradpumpe zur Förderung von Kraftstoff, mit wenigstens einer Lagerbuchse zur Aufnahme eines Zahnrads oder eines Rotors. Weiterhin betrifft die Erfindung ein Verfahren zur Herstellung eines solchen Gehäuses.The The invention relates to a housing for a fluid pump, in particular for a gear pump for promotion of fuel, with at least one bushing for receiving a Gear or a rotor. Furthermore, the invention relates to a Method for producing such a housing.
Derartige Fluidpumpen werden im Kraftfahrzeugbau eingesetzt. In modernen Common-Rail-, UPS- und UIS-Motoren dienen sie beispielsweise dazu, das Einspritzsystem kontinuierlich mit Kraftstoff zu versorgen. Am häufigsten findet hier die Zahnradpumpe als Vorfördersystem ihren Einsatz. Zahnradpumpen bestehen aus einem Gehäuse mit einer Zu- und Ableitung für den Kraftstoff sowie zwei hierin eingesetzten, miteinander kämmenden Zahnrädern, von denen eines angetrieben ist. Zur Lagerung der Zahnräder im Gehäuse werden die Wellen der Zahnräder in Lagerkörper eingesetzt, die einen Bestandteil des Gehäuses oder ein separates Bauteil bilden können. Alternativ oder zusätzlich können auch Lagerbuchsen zur Aufnahme der Zahnradwellen vorgesehen sein. Sämtliche Lagerbauteile sowie die ebenfalls durch Reibung beanspruchten Flächen der beweglichen Bauteile unterliegen dem Verschleiß, der in der Folge zum vorzeitigen Ausfall der Pumpe führen kann. Um die Lebensdauer der Pumpe zu verlängern ist es daher ein allgemeines Anliegen, einem vorzeitigen Verschleiß dieser Bauteile entgegen zu wirken.such Fluid pumps are used in automotive engineering. In modern common rail, UPS and UIS engines, for example, they serve the injection system continuously supplying fuel. Most frequently Here the gear pump as Vorfördersystem theirs Commitment. Gear pumps consist of a housing with a Inlet and outlet for the fuel and two herein used, meshing gears, one of which is powered. For storage of the gears in the housing, the waves of the gears in Bearing body used, which is a part of the housing or form a separate component. Alternatively or In addition, also bearing bushes for recording be provided the gear shafts. All bearing components as well as the friction surfaces the moving parts are subject to wear, the As a result, it can lead to premature failure of the pump. To extend the life of the pump, it is therefore a general concern, a premature wear of this Counteract components.
Aus
der
Es ist daher Aufgabe der vorliegenden Erfindung ein Gehäuse für eine Fluidpumpe der eingangs genannten Art zu schaffen, das einen Verschleißschutz umfasst und dabei einfach aufgebaut und kostengünstig herstellbar ist.It is therefore an object of the present invention, a housing to provide for a fluid pump of the type mentioned, which includes wear protection while being simple and is inexpensive to produce.
Zur Lösung der Aufgabe wird das Gehäuse mit den Merkmalen des Anspruchs 1 sowie das Verfahren zur Herstellung eines solchen Gehäuses mit den Merkmalen des Anspruchs 6 vorgeschlagen. Vorteilhafte Weiterbildungen der Erfindung werden in den Unteransprüchen beschrieben.to Solution of the task is the housing with the features of claim 1 and the method for producing such Housing proposed with the features of claim 6. advantageous Further developments of the invention are in the subclaims described.
Das vorgeschlagene Gehäuse weist wenigstens eine Lagerbuchse zur Aufnahme eines Zahnrads oder eines Rotors auf, die erfindungsgemäß einstückig mit dem Gehäuse verbunden ist und aus einem anderen Material besteht, als dem Material, aus dem das Gehäuse hergestellt ist. Auf diese Weise kann bei der Wahl des Materials für das Gehäuse bzw. für die Lagerbuchse den konkreten Anforderungen an das jeweilige Bauteil Rechnung getragen werden (Funktionstrennung). Die Verbindung der Lagerbuchse mit dem Gehäuse zu einem Bauteil erleichtert zudem die Montage der Fluidpumpe.The proposed housing has at least one bearing bush for receiving a gear or a rotor, which according to the invention in one piece connected to the housing and made of a different material exists as the material from which the housing is made is. In this way, when choosing the material for the housing or for the bearing bush the concrete Requirements for the respective component are taken into account (Function separation). The connection of the bearing bush with the housing to a component also facilitates the installation of the fluid pump.
Vorzugsweise
besteht das Gehäuse aus Aluminium oder einer Aluminiumlegierung,
beispielsweise aus Norm
Gemäß einer besonders vorteilhaften Ausführungsform weist die Oberfläche des Gehäuses zumindest in einem Teilbereich eine verschleißhemmende Beschichtung auf. Als besonders vorteilhaft erweist sich in diesem Zusammenhang eine Nickel-Beschichtung oder eine Eloxal-Schicht, wobei unter einer Eloxal-Schicht eine sich im Wege der anodischen Oxidation bildende schützende Oxidschicht verstanden wird. Da entsprechende Oberflächenbehandlungen aufwendig und kostenintensiv sind, sollte die Nachbehandlung auf die Teilbereiche beschränkt werden, die besonders verschleißanfällig sind. Aus fertigungstechnischen Gründen wird jedoch in der Regel das ganze Werkstück der Beschichtung unterzogen.According to one particularly advantageous embodiment, the surface of the housing at least in a partial area a wear-inhibiting Coating on. As particularly advantageous proves in this A nickel coating or an anodized coating, wherein under an anodized layer one is by way of anodic Oxidizing protective oxide layer is understood. As appropriate surface treatments consuming and costly, should the after-treatment on the sub-areas be limited, which are particularly susceptible to wear. For manufacturing reasons, however, is usually the entire workpiece subjected to the coating.
Da vorliegend das Gehäuse und die der Aufnahme eines Zahnrads dienende Lagerbuchse aus unterschiedlichen Materialen bestehen und folglich getrennt hergestellt werden, kann bereits vor dem Einsetzen der Lagerbuchse in das Gehäuse, um beide zu einem einstückigen Bauteil zu verbinden, die Beschichtung des Gehäuses vorgenommen werden. Je nach Wahl des Werkstoffes für die Lagerbuchse bzw. die Lagerbuchsen, die erfindungsgemäß weitestgehend unabhängig von der Wahl des Werkstoffes für das Gehäuse getroffen werden kann, und in Abhängigkeit von der Anordnung der Lagerbuchsen im Gehäuse kann aber auch auf eine Oberflächenbeschichtung des Gehäuses gänzlich verzichtet werden. Dadurch können die Herstellungskosten verringert werden.There in this case the housing and the recording of a gear serving bearing bush made of different materials and Consequently, can be prepared separately, even before insertion the bushing in the housing to make both a one-piece To connect component, made the coating of the housing become. Depending on the choice of material for the bearing bush or the bushings, according to the invention as far as possible regardless of the choice of material for the Housing can be taken, and depending from the arrangement of the bushings in the housing but can also on a surface coating of the housing be completely dispensed with. This allows the Production costs are reduced.
Vorteilhafterweise besteht die Lagerbuchse ebenfalls aus Metall. Als besonderes geeignet hat sich aufgrund guter korrosionschemischer Eigenschaften Messing als Werkstoff erwiesen. Bevorzugt besteht die Lagerbuchse daher aus Messing oder enthält Messing.Advantageously, the bearing bush is also made of metal. As a special suitable Due to good corrosion-chemical properties, brass proved to be a material. Preferably, the bushing therefore consists of brass or contains brass.
Aufgrund der besonderen Eignung des erfindungsgemäßen Gehäuses als Zahnradpumpengehäuse wird weiterhin eine Zahnradpumpe zur Förderung von Kraftstoff mit einem derartigen Gehäuse beansprucht.by virtue of the particular suitability of the housing according to the invention as gear pump housing continues to be a gear pump for conveying fuel with such a housing claimed.
Gegenstand der Erfindung ist auch ein Verfahren zur Herstellung eines Gehäuses mit einer Lagerbuchse der vorstehend beschriebenen Art. Wesentlich ist dabei, dass das Gehäuse und die Laufbuchse zu einem einstückigen Bauteil verbunden werden. Erfindungsgemäß wird hierzu die Lagerbuchse vor dem Gießen in die Gussform des Gehäuses eingelegt oder nach dem Gießen in das Gussbauteil eingepresst. Besonders bevorzugt wird hier das Einlegen der Lagerbuchse in die Gussform. Denn Spannungen im Werkstück, wie sie beim nachträglichen Einpressen in das Werkstück eingebracht werden, können vermieden werden. Damit sinkt auch die Gefahr, dass sich das Werkstück aufgrund von Spannungen verzieht. Eingegossene Lagerbuchsen dagegen stellen die Maßhaltigkeit des Bauteils sicher.object The invention is also a method for producing a housing with a bearing bush of the type described above. Essential is there that the housing and the bushing to a one-piece component are connected. According to the invention For this purpose, the bearing bush before pouring into the mold of Housing inserted or after pouring into the Cast component pressed. Particularly preferred here is the insert the bearing bush in the mold. Because stresses in the workpiece, as in the subsequent pressing in the workpiece can be avoided, can be avoided. This decreases also the risk of the workpiece being tense due to stress disfiguration. In contrast, cast-in bushes provide dimensional accuracy of the component safely.
Darüber hinaus lässt sich die Lagerbuchse beim Einlegen in die Gussform exakter platzieren als beim nachträglichen Einpressen. Die Festlegung der Zahnradposition ist somit genauer. Demzufolge kann auch der Spalt zwischen der Außenumfangsfläche des Zahnrads und der Innenwandfläche des Gehäuses auf ein Minimum reduziert werden. Dank der Maßhaltigkeit des Bauteils besteht zudem weniger die Gefahr, dass Leckagen auftreten.About that In addition, the bearing bush can be inserted into the Place the mold more precisely than during subsequent press-fitting. The determination of the gear position is thus more accurate. As a result, can also be the gap between the outer peripheral surface of the Gear and the inner wall surface of the housing be reduced to a minimum. Thanks to the dimensional accuracy In addition, the component is less likely to leak.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels unter Zuhilfenahme der einzigen Zeichnung näher erläutert.The Invention will be described below with reference to an embodiment explained with the aid of the single drawing.
Die
Zeichnung zeigt ein Gehäuse bzw. ein Gehäuseteil
Das
Gehäuseteil
Bei
dem vorliegenden Gehäuseteil
Gleichwohl
das Gehäuse
Es ist ersichtlich, dass das erfindungsgemäße Gehäuse nicht nur einen verbesserten Verschleißschutz aufweist, sondern zudem einfach in der Herstellung und damit kostengünstig ist. Die Verbesserung des Verschleißschutzes resultiert insbesondere aus der Möglichkeit, funktionsgerechte Materialien wählen und in einem einstückigen Bauteil vereinigen zu können.It It can be seen that the housing according to the invention not only has an improved wear protection, but also easy to manufacture and therefore inexpensive is. The improvement of wear protection results in particular from the possibility of functional materials select and join in a one-piece component to be able to.
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 1810314 A1 [0003] DE 1810314 A1 [0003]
Zitierte Nicht-PatentliteraturCited non-patent literature
- - EN AC-48000 [0007] - EN AC-48000 [0007]
- - EN AC-4710 [0007] - EN AC-4710 [0007]
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810000733 DE102008000733A1 (en) | 2008-03-18 | 2008-03-18 | Housing for fluid pump i.e. gear wheel pump, for delivering fuel, has bearing sleeve for receiving gear wheel or rotor, and connected with housing in single piece, where housing is casting component, and manufactured from material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810000733 DE102008000733A1 (en) | 2008-03-18 | 2008-03-18 | Housing for fluid pump i.e. gear wheel pump, for delivering fuel, has bearing sleeve for receiving gear wheel or rotor, and connected with housing in single piece, where housing is casting component, and manufactured from material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102008000733A1 true DE102008000733A1 (en) | 2009-09-24 |
Family
ID=40983763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200810000733 Withdrawn DE102008000733A1 (en) | 2008-03-18 | 2008-03-18 | Housing for fluid pump i.e. gear wheel pump, for delivering fuel, has bearing sleeve for receiving gear wheel or rotor, and connected with housing in single piece, where housing is casting component, and manufactured from material |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102008000733A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016206023A1 (en) | 2016-04-12 | 2017-10-12 | Volkswagen Aktiengesellschaft | Fluid pump, in particular for a motor vehicle |
| DE102024110217A1 (en) * | 2024-04-12 | 2025-10-16 | Schaeffler Technologies AG & Co. KG | Bearing component with an anodized layer and bearing arrangement with such a bearing component |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1810314A1 (en) | 1968-11-22 | 1970-06-11 | Bosch Gmbh Robert | Gear pump or motor |
-
2008
- 2008-03-18 DE DE200810000733 patent/DE102008000733A1/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1810314A1 (en) | 1968-11-22 | 1970-06-11 | Bosch Gmbh Robert | Gear pump or motor |
Non-Patent Citations (2)
| Title |
|---|
| EN AC-4710 |
| EN AC-48000 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016206023A1 (en) | 2016-04-12 | 2017-10-12 | Volkswagen Aktiengesellschaft | Fluid pump, in particular for a motor vehicle |
| DE102024110217A1 (en) * | 2024-04-12 | 2025-10-16 | Schaeffler Technologies AG & Co. KG | Bearing component with an anodized layer and bearing arrangement with such a bearing component |
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| Date | Code | Title | Description |
|---|---|---|---|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20131001 |