US20090301954A1 - Oil Sump Having Oil Filter - Google Patents
Oil Sump Having Oil Filter Download PDFInfo
- Publication number
- US20090301954A1 US20090301954A1 US12/482,339 US48233909A US2009301954A1 US 20090301954 A1 US20090301954 A1 US 20090301954A1 US 48233909 A US48233909 A US 48233909A US 2009301954 A1 US2009301954 A1 US 2009301954A1
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- US
- United States
- Prior art keywords
- filter housing
- oil
- filter
- oil sump
- oil drain
- 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.)
- Abandoned
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- 241000237983 Trochidae Species 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/005—Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
- F01M2011/0416—Plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0452—Oil pans
Definitions
- the present invention relates to an oil sump. More particularly, the present invention related to an oil sump having an oil filter.
- Oil sumps known from the prior art typically have a separate filter placed in direct proximity to the oil sump floor, comprising at least one oil filter medium and one oil filter housing, which is preferably implemented as a suction oil filter. Oil sumps of this type having such an oil filter are known.
- the filters disclosed above have the problem that complex fastening/fixing of the components to one another is necessary due to the separation of the components, such as the oil sump and oil filter in particular. A connection of these components is performed in the prior art by riveting, etc., for example.
- oil filters placed separately in an oil sump have a gap between the filter bottom side and the interior side of the oil sump, which results in uncontrolled air suction and the generation of noise by movement of the loose filter in the oil sump. This results in a decrease of the filter efficiency and reduction of the usage comfort.
- the filter is fastened permanently in the oil sump, for example, by welding/gluing, and is no longer removable.
- These embodiments have the disadvantage that a separate replacement of the filter is not possible and a replacement of the oil sump/oil filter unit is thus very complex and costly.
- Embodiments of the present invention provide an oil sump having an oil filter, which no longer has the disadvantages described above and/or in particular to disclose an oil sump, preferably made of metal or plastic, having an oil filter, in which the oil filter is permanently integratable, simultaneously, the number of the necessary components being reduced, the assembly being made easier, the costs for production and installation being reduced, undesired disadvantageous technical effects being reduced, and the filter being situated in the oil sump so it is easily replaceable as needed and thus is separable.
- an oil sump according to Claim 1 in which the filter housing comprises an internal thread, which is implemented to receive the external thread of the oil drain screw and in which the filter housing is fastened on the oil sump at least partially via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side.
- An important aspect of the invention is thus to use the oil drain screw provided in the oil sump not only for closing the oil drain opening provided in the floor area of the oil sump, but rather simultaneously to fasten at least a part of the filter housing, in particular the filter housing bottom shell, and/or the filter housing top shell, on the oil sump via the oil drain screw.
- an especially efficient and cost-effective positioning of at least a part of the oil filter housing is provided, because an oil drain screw is already provided as standard equipment in oil sumps according to the species.
- the already known closure function of the oil drain screw has added a fastening function for fastening at least a part of the oil filter housing according to the invention. It is possible to provide further fasteners for fastening the filter housing. Fundamentally, however, an important aspect of the invention also allows the filter housing to be fastened on the oil sump solely via the oil drain screw.
- an oil sump according to Claim 5 in which the filter housing has a clamping means, using which the filter housing is positioned and fastened in the oil sump, in such a way that the clamping means en-gages in a detent means situated on the oil sump side.
- the filter housing bottom shell preferably comprises an internal thread, which is implemented to receive the external thread of the oil drain screw.
- the filter housing thus also has a filter housing top shell, which is connected in a suitable way to the filter housing bottom shell.
- further connection means preferably removable connection means, may be provided, such as detent means, in order to allow a replacement of the filter medium situated inside the filter housing.
- both the filter housing bottom shell and also the filter housing top shell with a suitable internal thread, which are situated lying one above another in the installed state in the screwing-in direction of the oil drain screw, so that the oil drain screw fastens both the filter housing bottom shell and also the filter housing top shell on the oil sump.
- the filter housing bottom shell is formed by a floor area of the oil sump and the filter housing top shell comprises an internal thread, which is implemented to receive the external thread of the oil drain screw.
- a separate filter housing bottom shell is thus not necessary, because this function is achieved by a subarea of the oil sump floor.
- the module to be fastened on the oil sump which is open on one side, thus comprises at least the filter housing top shell (and possibly also the filter medium).
- the internal thread necessary for receiving the external thread of the oil drain screw is situated on the filter housing top shell.
- the internal thread is preferably implemented so that it protrudes from the inner surface of the filter housing top shell and points in the direction toward the oil sump floor.
- the internal thread and/or the part of the filter housing top shell forming the internal thread especially preferably projects far enough in the direction of the oil sump floor that this part of the filter housing top shell stands up on the oil sump floor and/or is in contact therewith in the installed state. In this way, the filter housing top shell is fastened especially well on the oil sump.
- the oil sump has detent means, for example, and suitable clamping means are concurrently situated on the filter housing bottom shell and/or on the filter housing top shell, which are implemented in such a way that they engage in the detent means on the oil sump side to position the filter housing bottom shell and/or the filter housing top shell in the oil sump.
- detent means for example, and suitable clamping means are concurrently situated on the filter housing bottom shell and/or on the filter housing top shell, which are implemented in such a way that they engage in the detent means on the oil sump side to position the filter housing bottom shell and/or the filter housing top shell in the oil sump.
- the filter housing bottom shell may be fastened using the oil drain screw in the way described above and the filter housing top shell may be clamped via suitable clamping means, such as retention ribs, in detent means on the oil sump side, such as detent webs.
- the filter unit comprises a receptacle, in particular a receptacle frame, which is implemented to receive the filter medium.
- the receptacle may be a separate component, or may also be shaped into the oil sump.
- a seal or an adhesive layer may be provided between the receptacle and the filter housing top shell and/or the oil sump floor, in order to achieve an especially tight connection.
- clamping means such as retention ribs
- clamping means may instead be used for positioning and fastening the filter inside the oil sump, which are implemented in such a way that they engage in detent means situated on the oil sump side, such as webs projecting toward the oil sump inner chamber.
- detent means situated on the oil sump side, such as webs projecting toward the oil sump inner chamber.
- Both the oil drain screw and also clamping means may be used for the removable fixing of the oil filter inside the oil sump.
- Each of the cited fastening variants namely firstly via the oil drain screw or secondly via clamping means or thirdly via a combination of oil drain screw/clamping means, is applicable both for the one-piece embodiment of the filter housing, i.e., the filter medium is received by the filter housing top shell and the filter housing bottom shell is replaced by the floor area of the oil sump, and also for the two-piece embodiment of the filter housing, i.e., the filter medium is clamped between the filter housing top shell and bottom shell.
- FIG. 1 shows a perspective lateral sectional view through an oil sump having an oil filter in a first embodiment.
- FIG. 2 shows a perspective view of an oil sump having an oil filter in a second embodiment.
- FIG. 3 shows a perspective sectional view of the oil sump from FIG. 2 along line A-A.
- FIG. 4 shows a lateral sectional view of the oil sump from FIG. 2 or 3 .
- FIG. 5 shows a perspective top view of an oil sump having an oil filter in a third embodiment.
- FIG. 6 shows a sectional view of the oil sump from FIG. 5 along line B-B.
- the oil sump 1 according to the first embodiment from FIG. 1 comprises an oil filter 2 , fastened on the oil sump 1 , having a filter housing top shell 3 , a filter housing bottom shell 4 , a filter medium 5 , which is clamped between the filter housing shells 3 and 4 , a filter outlet 6 , an oil drain screw 7 having sealing ring 8 and an external thread (not shown), and an internal thread (not shown) on the filter housing bottom shell, which is formed by a threaded bush 9 connected to the filter housing bottom shell.
- the area around the oil drain screw 7 is also emphasized in a detail enlargement in FIG. 1 .
- the two-piece filter housing made of filter housing top shell 3 , which is fastened on the filter housing bottom shell 4 , and filter housing bottom shell 4 is thus fastened solely via the internal thread of the threaded bush 9 , situated on the filter housing bottom shell 4 , in which the external thread of the oil drain screw 7 engages.
- the oil drain screw 7 has to be removed. This procedure is also particularly advantageous, because an oil change also typically accompanies an oil filter change in practice.
- the second embodiment according to FIGS. 2 , 3 , and 4 comprises an oil sump 1 ′, the filter housing top shell 3 ′, a filter medium 5 ′, a filter outlet 6 , an oil drain screw 7 having sealing ring 8 , a threaded bush 9 , fastened on the filter housing top shell side, having an internal thread (not shown), a filter shell seal 10 , a filter inlet 11 , a down-stream area 12 , and an upstream area 13 .
- the receptacle 14 which is implemented as frame-like, for example, is used to receive the filter medium 5 ′ in this one-piece embodiment of the filter housing 20 .
- the filter housing is partially formed by a floor area of the oil sump 1 ′.
- the oil sump comprises the filter shell seal 10 , which is only interrupted in the area of the filter inlet 11 , in the contact area with the filter housing top shell 3 ′.
- an internal thread is provided on the filter housing top shell 3 ′, which is formed by the threaded bush 9 fastened in the filter housing top shell 3 ′.
- the threaded bush 9 is situated in an area projecting from the filter housing top shell 3 ′. This area projects far enough from the inner surface of the filter housing top shell 3 ′ that it stands up the floor area of the oil sump 1 ′ in the installed state according to FIG. 2 .
- the positioning and fastening of the oil filter 2 on the oil sump 1 are not performed via the oil drain screw 7 , but rather via clamping means 15 which are situated on the filter housing 20 , independently of whether a one-piece or two-piece form of the filter housing 20 is provided, and en-gage in detent means 16 , such as detent webs, which are situated on the oil sump side.
- These fasteners clamping means 15 and detent means 16
- clamping means 15 and detent means 16 are preferably pro-vided on two opposing sides and thus allow fastening of the oil filter 2 within the oil sump 1 ′′ independently of the location of the oil drain screw 7 (not shown). Therefore, the actual position of the oil drain opening and/or the oil drain screw is not important for the fastening of the oil filter 2 .
- the advantage thus results that in regard to the receptacle fastening, the position of the oil drain screw is freely selectable.
- the oil drain screw 7 it is optionally possible to use the oil drain screw 7 (not shown) for positioning and fixing the oil filter 2 in addition to the clamping means 15 .
- the integrated oil filter 2 is preferably a main stream oil filter used as a suction oil filter. It is also conceivable to implement the oil filter 2 having additional connections as a combination of a suction and pressure oil filter. It is also advantageous if needed to situate both main stream oil filter and also secondary stream oil filter in the shared filter housing 20 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- General Details Of Gearings (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
An oil sump, preferably made of plastic or metal, for motors or transmissions and having a filter housing, comprises a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side. The filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw, the filter housing being at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side.
Description
- This application claims priority to foreign
Patent Application DE 10 2008 027 662.6, filed on Jun. 10, 2008, the disclosure of which is incorporated herein by reference in its entirety. - The present invention relates to an oil sump. More particularly, the present invention related to an oil sump having an oil filter.
- Oil sumps known from the prior art, preferably made of metal or plastic, typically have a separate filter placed in direct proximity to the oil sump floor, comprising at least one oil filter medium and one oil filter housing, which is preferably implemented as a suction oil filter. Oil sumps of this type having such an oil filter are known. The filters disclosed above have the problem that complex fastening/fixing of the components to one another is necessary due to the separation of the components, such as the oil sump and oil filter in particular. A connection of these components is performed in the prior art by riveting, etc., for example. Furthermore, oil filters placed separately in an oil sump have a gap between the filter bottom side and the interior side of the oil sump, which results in uncontrolled air suction and the generation of noise by movement of the loose filter in the oil sump. This results in a decrease of the filter efficiency and reduction of the usage comfort.
- In other cases, the filter is fastened permanently in the oil sump, for example, by welding/gluing, and is no longer removable. These embodiments have the disadvantage that a separate replacement of the filter is not possible and a replacement of the oil sump/oil filter unit is thus very complex and costly.
- Embodiments of the present invention provide an oil sump having an oil filter, which no longer has the disadvantages described above and/or in particular to disclose an oil sump, preferably made of metal or plastic, having an oil filter, in which the oil filter is permanently integratable, simultaneously, the number of the necessary components being reduced, the assembly being made easier, the costs for production and installation being reduced, undesired disadvantageous technical effects being reduced, and the filter being situated in the oil sump so it is easily replaceable as needed and thus is separable.
- One aspect of the invention is achieved by an oil sump according to
Claim 1, in which the filter housing comprises an internal thread, which is implemented to receive the external thread of the oil drain screw and in which the filter housing is fastened on the oil sump at least partially via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side. An important aspect of the invention is thus to use the oil drain screw provided in the oil sump not only for closing the oil drain opening provided in the floor area of the oil sump, but rather simultaneously to fasten at least a part of the filter housing, in particular the filter housing bottom shell, and/or the filter housing top shell, on the oil sump via the oil drain screw. In this way, an especially efficient and cost-effective positioning of at least a part of the oil filter housing is provided, because an oil drain screw is already provided as standard equipment in oil sumps according to the species. The already known closure function of the oil drain screw has added a fastening function for fastening at least a part of the oil filter housing according to the invention. It is possible to provide further fasteners for fastening the filter housing. Fundamentally, however, an important aspect of the invention also allows the filter housing to be fastened on the oil sump solely via the oil drain screw. - Another aspect of the invention is achieved by an oil sump according to
Claim 5, in which the filter housing has a clamping means, using which the filter housing is positioned and fastened in the oil sump, in such a way that the clamping means en-gages in a detent means situated on the oil sump side. - The filter housing bottom shell preferably comprises an internal thread, which is implemented to receive the external thread of the oil drain screw. In addition to the filter housing bottom shell, in this embodiment, the filter housing thus also has a filter housing top shell, which is connected in a suitable way to the filter housing bottom shell. For this purpose, further connection means, preferably removable connection means, may be provided, such as detent means, in order to allow a replacement of the filter medium situated inside the filter housing. It is also fundamentally possible in this context, for example, to provide both the filter housing bottom shell and also the filter housing top shell with a suitable internal thread, which are situated lying one above another in the installed state in the screwing-in direction of the oil drain screw, so that the oil drain screw fastens both the filter housing bottom shell and also the filter housing top shell on the oil sump.
- In a further preferred embodiment, the filter housing bottom shell is formed by a floor area of the oil sump and the filter housing top shell comprises an internal thread, which is implemented to receive the external thread of the oil drain screw. In this embodiment, a separate filter housing bottom shell is thus not necessary, because this function is achieved by a subarea of the oil sump floor. The module to be fastened on the oil sump, which is open on one side, thus comprises at least the filter housing top shell (and possibly also the filter medium). Correspondingly, the internal thread necessary for receiving the external thread of the oil drain screw is situated on the filter housing top shell. In order to make the engagement of the external thread of the oil drain screw in the internal thread on the filter housing top shell side easier, the internal thread is preferably implemented so that it protrudes from the inner surface of the filter housing top shell and points in the direction toward the oil sump floor. The internal thread and/or the part of the filter housing top shell forming the internal thread especially preferably projects far enough in the direction of the oil sump floor that this part of the filter housing top shell stands up on the oil sump floor and/or is in contact therewith in the installed state. In this way, the filter housing top shell is fastened especially well on the oil sump.
- In addition, it has been shown that it is advantageous if the fastening function of the oil drain screw for fixing the filter housing and/or parts thereof is combined with further fasteners. For this purpose, the oil sump has detent means, for example, and suitable clamping means are concurrently situated on the filter housing bottom shell and/or on the filter housing top shell, which are implemented in such a way that they engage in the detent means on the oil sump side to position the filter housing bottom shell and/or the filter housing top shell in the oil sump. In this way, in particular with multipart filter housings, it is possible, for example, to design the fastening capabilities of the individual filter housing parts extremely variably. Thus, for example, the filter housing bottom shell may be fastened using the oil drain screw in the way described above and the filter housing top shell may be clamped via suitable clamping means, such as retention ribs, in detent means on the oil sump side, such as detent webs.
- In a further preferred embodiment, the filter unit comprises a receptacle, in particular a receptacle frame, which is implemented to receive the filter medium. The receptacle may be a separate component, or may also be shaped into the oil sump. Furthermore, a seal or an adhesive layer may be provided between the receptacle and the filter housing top shell and/or the oil sump floor, in order to achieve an especially tight connection.
- Alternatively to fastening the filter inside the oil sump with the aid of the oil drain screw, clamping means, such as retention ribs, may instead be used for positioning and fastening the filter inside the oil sump, which are implemented in such a way that they engage in detent means situated on the oil sump side, such as webs projecting toward the oil sump inner chamber. In this embodiment, the position of the oil drain screw and/or the oil drain opening is thus not decisive for the fastening of the filter.
- Both the oil drain screw and also clamping means may be used for the removable fixing of the oil filter inside the oil sump. Each of the cited fastening variants, namely firstly via the oil drain screw or secondly via clamping means or thirdly via a combination of oil drain screw/clamping means, is applicable both for the one-piece embodiment of the filter housing, i.e., the filter medium is received by the filter housing top shell and the filter housing bottom shell is replaced by the floor area of the oil sump, and also for the two-piece embodiment of the filter housing, i.e., the filter medium is clamped between the filter housing top shell and bottom shell.
- There has thus been outlined, rather broadly, certain embodiments of the invention in order that the detailed description thereof herein may be better understood, and in order that the present contribution to the art may be better appreciated. There are, of course, additional embodiments of the invention that will be described below and which will form the subject matter of the claims appended hereto.
- The invention is explained in greater detail hereafter on the basis of the exemplary embodiments illustrated in the drawings.
-
FIG. 1 shows a perspective lateral sectional view through an oil sump having an oil filter in a first embodiment. -
FIG. 2 shows a perspective view of an oil sump having an oil filter in a second embodiment. -
FIG. 3 shows a perspective sectional view of the oil sump fromFIG. 2 along line A-A. -
FIG. 4 shows a lateral sectional view of the oil sump fromFIG. 2 or 3. -
FIG. 5 shows a perspective top view of an oil sump having an oil filter in a third embodiment. -
FIG. 6 shows a sectional view of the oil sump fromFIG. 5 along line B-B. - The invention will now be described with reference to the drawing figures, in which like reference numerals refer to like parts throughout.
- The
oil sump 1 according to the first embodiment fromFIG. 1 comprises anoil filter 2, fastened on theoil sump 1, having a filterhousing top shell 3, a filterhousing bottom shell 4, afilter medium 5, which is clamped between thefilter housing shells filter outlet 6, anoil drain screw 7 having sealingring 8 and an external thread (not shown), and an internal thread (not shown) on the filter housing bottom shell, which is formed by a threadedbush 9 connected to the filter housing bottom shell. The area around theoil drain screw 7 is also emphasized in a detail enlargement inFIG. 1 . - In the exemplary embodiment according to
FIG. 1 , the two-piece filter housing made of filterhousing top shell 3, which is fastened on the filterhousing bottom shell 4, and filterhousing bottom shell 4 is thus fastened solely via the internal thread of the threadedbush 9, situated on the filterhousing bottom shell 4, in which the external thread of theoil drain screw 7 engages. To replace the entire filter unit, therefore only theoil drain screw 7 has to be removed. This procedure is also particularly advantageous, because an oil change also typically accompanies an oil filter change in practice. - In summary, the following advantages thus result in particular for the first exemplary embodiment:
-
- a) easier mounting on the oil sump (and/or on the transmission),
- b) permanently positioned filter,
- c) replaceability of the filter is possible solely by removing the
oil drain screw 7, and - d) use of the
oil drain screw 7 as the filter fixing element, so that no further fasteners are needed.
- The second embodiment according to
FIGS. 2 , 3, and 4 comprises anoil sump 1′, the filter housingtop shell 3′, afilter medium 5′, afilter outlet 6, anoil drain screw 7 havingsealing ring 8, a threadedbush 9, fastened on the filter housing top shell side, having an internal thread (not shown), afilter shell seal 10, afilter inlet 11, a down-stream area 12, and anupstream area 13. Thereceptacle 14, which is implemented as frame-like, for example, is used to receive thefilter medium 5′ in this one-piece embodiment of thefilter housing 20. - The essential difference from the first embodiment is that the filter housing is partially formed by a floor area of the
oil sump 1′. In this way, a separate filter housing bottom shell is not necessary in this embodiment. However, in order to also achieve an outwardly sealed filter housing inner chamber in this embodiment, the oil sump comprises thefilter shell seal 10, which is only interrupted in the area of thefilter inlet 11, in the contact area with the filter housingtop shell 3′. In order to allow fastening of the filter housing and/or in the present case the filter housingtop shell 3′ on the oil sump, in this embodiment an internal thread is provided on the filter housingtop shell 3′, which is formed by the threadedbush 9 fastened in the filter housingtop shell 3′. The threadedbush 9 is situated in an area projecting from the filter housingtop shell 3′. This area projects far enough from the inner surface of the filter housingtop shell 3′ that it stands up the floor area of theoil sump 1′ in the installed state according toFIG. 2 . - In summary, in addition to the advantages a) through d) of the first embodiment, the following advantages thus result for the second embodiment:
-
- e) a filter bottom shell is saved,
- f) flatter construction is possible, and
- g) dispensing with any air gap between filter bottom side and oil sump inner side.
- Further advantages of the invention result from the third exemplary embodiment ac-cording to
FIGS. 5 and 6 . According to this variant, the positioning and fastening of theoil filter 2 on theoil sump 1 are not performed via theoil drain screw 7, but rather via clamping means 15 which are situated on thefilter housing 20, independently of whether a one-piece or two-piece form of thefilter housing 20 is provided, and en-gage in detent means 16, such as detent webs, which are situated on the oil sump side. These fasteners (clamping means 15 and detent means 16) are preferably pro-vided on two opposing sides and thus allow fastening of theoil filter 2 within theoil sump 1″ independently of the location of the oil drain screw 7 (not shown). Therefore, the actual position of the oil drain opening and/or the oil drain screw is not important for the fastening of theoil filter 2. - For the third exemplary embodiment according to
FIG. 3 , in addition to the advantages a), b), and d) through g) of the preceding exemplary embodiments, the advantage thus results that in regard to the receptacle fastening, the position of the oil drain screw is freely selectable. To reinforce the fastening of theoil filter 2 in theoil sump 1, it is optionally possible to use the oil drain screw 7 (not shown) for positioning and fixing theoil filter 2 in addition to the clamping means 15. - The integrated
oil filter 2 is preferably a main stream oil filter used as a suction oil filter. It is also conceivable to implement theoil filter 2 having additional connections as a combination of a suction and pressure oil filter. It is also advantageous if needed to situate both main stream oil filter and also secondary stream oil filter in the sharedfilter housing 20. - The many features and advantages of the invention are apparent from the detailed specification, and, thus, it is intended by the appended claims to cover all such features and advantages of the invention which fall within the true spirit and scope of the invention. Further, since numerous modifications and variations will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation illustrated and described, and, accordingly, all suitable modifications and equivalents may be resorted to that fall within the scope of the invention.
Claims (8)
1. An oil sump, preferably made of plastic or metal, for engines or transmissions, having a filter housing, comprising a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side, wherein the filter housing comprises an internal thread, which is implemented to receive the external thread of the oil drain screw, and the filter housing is at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side.
2. The oil sump according to claim 1 , wherein the filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw.
3. The oil sump according to claim 1 , wherein the filter housing is formed by a floor area of the oil sump, and the filter housing top shell comprises an internal thread, which is implemented to receive the external thread of the oil drain screw.
4. The oil sump according to claim 3 , wherein a receptacle, in particular a receptacle frame, which is implemented to receive the filter medium, is provided on the filter housing top shell.
5. An oil sump, preferably made of plastic or metal, for engines or transmissions, having a filter housing, comprising a filter housing top shell, a filter housing bottom shell, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side, wherein the filter housing has a clamping means, using which the filter housing is positioned and fastened in the oil sump in such a way that the clamping means engages in a detent means situated on the oil sump side.
6. The oil sump according to claim 5 , wherein the filter housing bottom shell is formed by a floor area of the oil sump.
7. The oil sump according to claim 6 , wherein a receptacle, in particular a receptacle frame, which is implemented to receive the filter medium, is provided on the filter housing top shell.
8. The oil sump according to claim 1 , wherein the filter housing has a clamping means, using which the filter housing is positioned and fastened in the oil sump in such a way that the clamping means engages in a detent means situated on the oil sump side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/605,745 US9573085B2 (en) | 2008-06-10 | 2015-01-26 | Oil sump having oil filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008027662A DE102008027662A1 (en) | 2008-06-10 | 2008-06-10 | Oil pan with oil filter |
DE102008027662.6 | 2008-06-10 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/605,745 Division US9573085B2 (en) | 2008-06-10 | 2015-01-26 | Oil sump having oil filter |
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US20090301954A1 true US20090301954A1 (en) | 2009-12-10 |
Family
ID=41112654
Family Applications (2)
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US12/482,339 Abandoned US20090301954A1 (en) | 2008-06-10 | 2009-06-10 | Oil Sump Having Oil Filter |
US14/605,745 Active US9573085B2 (en) | 2008-06-10 | 2015-01-26 | Oil sump having oil filter |
Family Applications After (1)
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US14/605,745 Active US9573085B2 (en) | 2008-06-10 | 2015-01-26 | Oil sump having oil filter |
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US (2) | US20090301954A1 (en) |
EP (2) | EP2264337B1 (en) |
JP (2) | JP2009299687A (en) |
KR (1) | KR101123688B1 (en) |
CN (2) | CN102614694A (en) |
AT (1) | ATE507416T1 (en) |
DE (2) | DE102008027662A1 (en) |
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2011
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Also Published As
Publication number | Publication date |
---|---|
EP2133596B1 (en) | 2011-04-27 |
US20150129471A1 (en) | 2015-05-14 |
CN102614694A (en) | 2012-08-01 |
JP2012057629A (en) | 2012-03-22 |
EP2133596A3 (en) | 2010-01-13 |
EP2264337B1 (en) | 2012-10-24 |
JP2009299687A (en) | 2009-12-24 |
EP2133596A2 (en) | 2009-12-16 |
DE502009000573D1 (en) | 2011-06-09 |
DE102008027662A1 (en) | 2009-12-17 |
CN101601943B (en) | 2012-05-30 |
US9573085B2 (en) | 2017-02-21 |
KR101123688B1 (en) | 2012-03-15 |
KR20090128347A (en) | 2009-12-15 |
CN101601943A (en) | 2009-12-16 |
JP5452577B2 (en) | 2014-03-26 |
ATE507416T1 (en) | 2011-05-15 |
EP2264337A1 (en) | 2010-12-22 |
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Owner name: IBS FILTRAN KUNSTSTOFF-/METALLERZEUGNISSE GMBH, GE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BEER, MARKUS;SAHM, DIETMAR;STAUSBERG, WOLFGANG;AND OTHERS;REEL/FRAME:023138/0421;SIGNING DATES FROM 20090805 TO 20090817 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |