EP2718549A1 - Behälter für ein betriebsmedium eines kraftwagens - Google Patents
Behälter für ein betriebsmedium eines kraftwagensInfo
- Publication number
- EP2718549A1 EP2718549A1 EP12725630.3A EP12725630A EP2718549A1 EP 2718549 A1 EP2718549 A1 EP 2718549A1 EP 12725630 A EP12725630 A EP 12725630A EP 2718549 A1 EP2718549 A1 EP 2718549A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- oil
- flow channel
- motor vehicle
- tank
- 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
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
- 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
- F01M11/04—Filling or draining lubricant of or from machines or engines
-
- 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
- F01M2011/0066—Oilsumps with passages in the wall, e.g. for axles or fluid passages
-
- 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
- F01M2011/0083—Dry sumps
Definitions
- the invention relates to a container for a service medium of a motor vehicle.
- a suction line is guided from below through the container bottom, then extends with a portion in the receiving volume of the container and curves back to the container bottom. This allows a much aerodynamic extraction of the oil from the oil reservoir.
- the present invention is therefore based on the object to provide a container of the type mentioned, which allows an improved emptying of the container in a change of the operating medium contained.
- Such a container for a service medium of a motor vehicle comprises a receiving space for the operating medium and a curved suction line for sucking the operating medium. This extends through a bottom wall of the container and has a suction opening in the receiving space, which is directed to the bottom wall.
- the suction line forms a first flow channel, which opens into the suction opening.
- a further flow channel is further formed, which communicates fluidically with the receiving space and the first flow channel.
- the further flow channel has a higher flow resistance than the first flow channel.
- the adjustment of the ratio of the flow resistance in the two flow channels can be done by selecting the cross-sectional shape and cross-sectional area of the flow channels. It is particularly advantageous if the first flow channel has a substantially round or oval cross-section, so that a laminar and low-pressure loss flow behavior is promoted.
- the further flow channel preferably has a gap-shaped cross section in order to increase the flow resistance to the desired extent.
- the two flow channels can also communicate with each other over their entire length, so be surrounded by a common wall.
- the first flow channel is then formed by a first cross-sectional area of the suction line and the further flow channel by a further cross-sectional area of the suction line. Also when draining the container contents thus the first flow channel is shared, only the remaining volume flows through the second flow channel. This favors a particularly rapid emptying of the container.
- the lower edge of the further flow channel has a substantially horizontal course.
- the lower edge of the further flow channel does not follow the curved course of the first flow channel, but instead has a constant height in relation to the container bottom, so that the almost complete discharge of the container contents is ensured.
- the lower edge may also be inclined downwards in the discharge direction of the medium contained in the container in order to ensure a particularly safe draining of the residual oil volume.
- the suction line is formed integrally with the container.
- the bottom wall of the container has a depression below the suction opening.
- this embodiment reduces the flow resistance in the region of the intake opening, see above that cavitation in the pump, which can occur due to excessive flow resistance, can be avoided.
- the first flow channel widens toward the intake opening. This also serves to reduce the flow resistance in the intake and the prevention of cavitation.
- the container is designed as a cast component.
- Particularly suitable for this light metals such as aluminum-based alloys.
- Such containers are particularly light and at the same time inexpensive to manufacture. When casting complex structures can be created, while low wall thicknesses can be realized.
- the container is preferably designed as an oil container for a motor vehicle with dry sump lubrication.
- the oil tank is separated from an internal combustion engine, in contrast to a conventional oil pan, the space in the engine compartment is particularly cramped, so that the described advantages of the container come to bear particularly well.
- the invention further relates to a motor vehicle with a container of the type described.
- Fig. 1 is a perspective view of an oil container according to the prior art
- Fig. 2 is a partially sectioned view of the oil container of FIG. 1;
- Fig. 3 is a cutaway perspective view of a
- Fig. 4 is a sectional view of the oil container of FIG. 3 with
- FIG. 5 is a sectional view of the oil container of FIG. 3 with a
- FIG. 6 is a sectional view of the oil container of FIG. 3 with a
- An oil reservoir for a dry sump lubrication-type automobile of the prior art includes an oil receiving space 12. Oil can be recycled from a lubricant circuit of the motor vehicle into the container 12 via an oil return connection 14.
- a suction line 16 which extends with an end portion 18 in the interior 12 of the oil tank 10 and passes through the bottom wall 20 of the container 10.
- the suction line 16 is curved and has an intake opening 22, which is executed on the bottom wall 20 of the oil tank 10. Outside the container 10, the suction line 16 has a connecting piece 24 for connecting the suction line 16 with the lubricant circuit of the motor vehicle.
- the oil container 10 has no oil drain plug, so that when an oil change the contents of the oil container 10 must be removed via the suction line 16.
- the oil tank shown in FIGS. 3 to 6, designated overall by 30, has a modified suction line 32.
- the suction line 32 extends with an end portion 34 in an inner space 36 of the oil tank 30, passes through the bottom 38 of the oil tank 30 and is connected via a located outside of the oil tank 30 connecting piece 40 with an oil circuit of the motor vehicle.
- a suction opening 42 is directed towards the bottom 38 of the oil container 30, wherein the bottom 38 has a pocket-shaped recess 44 in the region of the suction opening 42. This improves the flow behavior of sucked oil, so that the oil can be removed reliably and without bubbles.
- the suction line 32 has a first, circular flow channel 46, to which a further, gap-shaped flow channel 48 connects to the bottom, that is, to the bottom 38.
- the lower edge 50 of the slit-shaped flow channel 48 extends, as can be seen particularly clearly in FIG. 4, substantially horizontally from the suction opening 42 to the socket 40.
- the gap-shaped flow channel 48 has a substantially smaller area than the round flow channel 46. If, during normal operation of the motor vehicle, high-speed oil is sucked out of the interior 36 of the oil container 30, then this essentially follows the path of the lowest flow resistance, ie it flows predominantly through the round flow channel 46 of the suction line 32.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110104017 DE102011104017A1 (de) | 2011-06-11 | 2011-06-11 | Behälter für ein Betriebsmedium eines Kraftwagens |
PCT/EP2012/002363 WO2012171619A1 (de) | 2011-06-11 | 2012-06-05 | Behälter für ein betriebsmedium eines kraftwagens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2718549A1 true EP2718549A1 (de) | 2014-04-16 |
EP2718549B1 EP2718549B1 (de) | 2016-03-09 |
Family
ID=46208431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12725630.3A Active EP2718549B1 (de) | 2011-06-11 | 2012-06-05 | Behälter für ein betriebsmedium eines kraftwagens |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2718549B1 (de) |
DE (1) | DE102011104017A1 (de) |
WO (1) | WO2012171619A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2102699A1 (de) * | 1971-01-21 | 1972-08-17 | Daimler-Benz Ag, 7000 Stuttgart | Ölbehälter für eine Rotationskolben-Brennkraftmaschine mit Trockensumpfschmierung |
DE3711000A1 (de) * | 1987-04-01 | 1988-10-20 | Porsche Ag | Oelbehaelter |
DE10026113B4 (de) * | 2000-05-26 | 2013-07-04 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Brennkraftmaschine mit einem zwischen Kurbelraum und Ölwanne angeordneten Ölabweisteil |
US20020144863A1 (en) * | 2000-10-18 | 2002-10-10 | Siemens Canada Limited | Drive sump oil pan system with integrated reservoir and oil filter |
DE10219279B4 (de) * | 2002-04-30 | 2005-02-24 | Bayerische Motoren Werke Ag | Trenneinrichtung in einem Ölkreislauf eines Kraftfahrzeugs |
GB2389625A (en) * | 2002-06-13 | 2003-12-17 | Cnh Uk Ltd | Oil sump |
DE102006055760B4 (de) * | 2006-11-25 | 2013-12-19 | Audi Ag | Schmiermitteltank mit einem Gasabscheider |
DE102007023406A1 (de) * | 2007-05-18 | 2008-11-20 | GM Global Technology Operations, Inc., Detroit | Ölwanne |
US8272480B2 (en) * | 2009-03-12 | 2012-09-25 | Mahle International Gmbh | Oil pan integrated with filter and other components |
-
2011
- 2011-06-11 DE DE201110104017 patent/DE102011104017A1/de not_active Withdrawn
-
2012
- 2012-06-05 EP EP12725630.3A patent/EP2718549B1/de active Active
- 2012-06-05 WO PCT/EP2012/002363 patent/WO2012171619A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012171619A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011104017A1 (de) | 2012-12-13 |
EP2718549B1 (de) | 2016-03-09 |
WO2012171619A1 (de) | 2012-12-20 |
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