EP1077314B1 - Verfahren zum Regeln einer Kühlung von Schmieröl einer Brennkraftmaschine - Google Patents
Verfahren zum Regeln einer Kühlung von Schmieröl einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP1077314B1 EP1077314B1 EP00114085A EP00114085A EP1077314B1 EP 1077314 B1 EP1077314 B1 EP 1077314B1 EP 00114085 A EP00114085 A EP 00114085A EP 00114085 A EP00114085 A EP 00114085A EP 1077314 B1 EP1077314 B1 EP 1077314B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- oil sump
- combustion engine
- fact
- engine according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01M11/0004—Oilsumps
- F01M2011/0058—Fastening to the transmission
Definitions
- the invention relates to an internal combustion engine, in particular of a motor vehicle, with an oil pan for receiving lubricating oil of a pressure circulation lubrication, wherein the Oil pan is at least partially double-walled and in the oil pan a Oil pump is provided with a suction port, and with a thermostatic valve, which, depending on a lubricating oil temperature optionally at elevated Cooling the suction with the double-walled area of the oil pan so connects that lubricating oil at least partially through the double-walled area the oil pan circulates, and with low cooling demand, the suction of the double-walled area such that the lubricating oil in the double-walled area the oil pan substantially from the circulation generated by the oil pump is separated, according to the preamble of claim 1.
- Oil pans of internal combustion engines have in addition to their task as oil sump for the circulating engine oil also has a heat exchanger function to the primarily in the engine oil flowing frictional heat to the umstMailde air dissipate.
- An increased heat dissipation is in particular by those with ribs profiled aluminum oil pan achieved.
- US-A-4,296,716 discloses an internal combustion engine whose sump is so in two Chambers is divided, that the outer second chamber the bottom of the inside lying first chamber forms. Both chambers communicate via openings each other and each have a suction port, which via a thermostatic valve with the oil pump communicate. At low oil temperature, the oil becomes major conveyed from the inside first chamber, and at oil temperatures over a certain predefined limit, the oil is predominantly from the outside promoted second chamber.
- the thermostatic valve is here by two suction lines connected to the two suction ports and located in the inside Chamber of the oil pan.
- thermostatic valve suction lines and suction ports decreases inside the sump very much space to use, which is one in general desired compact design of the oil pan counter.
- quite complex attachment of the intake and Saug effetive cost factor.
- the present invention is therefore based on the object, an internal combustion engine the o.g. Art to provide, which the above-mentioned disadvantages by a inexpensive and compact arrangement of the oil supply to the pump eliminated.
- thermostatic valve For temperature-dependent actuation of the thermostatic valve has this for example, an expansion element.
- thermostatic valve for actuating the thermostatic valve is a spring, in particular Coil spring, provided, which the thermostatic valve in the direction of the wall Pressurized oil pan.
- An oil flow control in the double-walled area of the oil pan is achieved by that an inner wall of the double-walled area of the oil pan punctiform or is linearly connected to an outer wall of the oil pan.
- thermostatic valve To support a circulation in the double-walled area of the sump with lower Flow rates through the thermostatic valve is a distance between an inner wall and an outer wall of the double-walled area of the oil sump in the region of Thermostatic valve increased.
- the thermostatic valve is designed as a cylinder valve.
- an inner wall of the double-walled region of the oil sump is preferably made of plastic or metal, in particular sheet metal, or a casting material.
- Oil drain plug provided which by an inner wall and an outer wall of the double-walled region of the oil pan extends so that it passes through the Inner wall seals.
- an otherwise not shown internal combustion engine comprises an inner panel 12 such that the oil pan 10 is double-walled.
- the Inner panel 12 is provided with a plurality of openings 14 which pass through an oil enable. Further, the inner panel 12 is multi-point or line with the Oil pan 10 connected, for example, medium welding points or lines 16.
- thermostatic regulated cylinder valve 20 is arranged, which by a spring 22 against a bottom 24th the oil pan 10 is pressed, in which case the oil in the oil circulation of an interior 26 passes through an annular suction port 28 to the oil pump 18.
- a thermostatic regulated cylinder valve 20th acts between the oil pan 10 and the inner panel 12 located, resting lubricating oil as a heat insulating layer and prevents unwanted heat dissipation to the environment of the oil pan 10.
- the suction of the oil pump 18 therefore leads to an oil flow from the interior 26 via the plurality of openings 14, over the gap 34 and via the ring opening 32 to the oil pump 18, wherein a circulation of the Lubricating oils over the gap 34 with a correspondingly high heat dissipation via an outer surface of the oil pan 10 results, with the flowing over the gap 34 Lubricating oil is in heat-conducting contact.
- the gap 34 near the cylinder valve 20 has an increased wall distance of the Inner sheet 12 from the outside of the oil pan 10 on.
- An oil drain plug 36 screwed to the oil pan 10 is such in length formed so that it with its end an opening 38 in the inner panel 12 substantially sealing closes.
- the oil pan 10 itself is preferably made of metal, in particular made of aluminum.
- the Inner panel 12 may alternatively be made of a plastic.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
Claims (10)
- Brennkraftmaschine, insbesondere eines Kraftfahrzeuges, mit einer Ölwanne (10) zur Aufnahme von Schmieröl einer Druckumlaufschmierung, wobei die Ölwanne (10) wenigstens teilweise doppelwandig ausgebildet ist und in der Ölwanne (10) eine Ölpumpe (18) mit einer Ansaugöffnung (28) vorgesehen ist, und mit einem Thermostatventil (20), welches in Abhängigkeit von einer Schmieröltemperatur wahlweise bei erhöhtem Kühlbedarf die Ansaugöffnung (28) mit dem doppelwandigen Bereich (34) der Ölwanne (10) derart verbindet, dass das Schmieröl wenigstens teilweise durch den doppelwandigen Bereich (34) der Ölwanne (10) zirkuliert, und bei niedrigem Kühlbedarf die Ansaugöffnung (28) von dem doppelwandigen Bereich (34) derart trennt, dass das Schmieröl im doppelwandigen Bereich (34) der Ölwanne (10) im wesentlichen von der durch die Ölpumpe (18) erzeugte Zirkulation abgetrennt ist,
dadurch gekennzeichnet, dass
das Thermostatventil (20) an einem Boden der Ölwanne (10) gegenüber der Ansaugöffnung (28) der Ölpumpe (18) angeordnet ist. - Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das Thermostatventil (20) ein Dehnstoffelement (30) aufweist.
- Brennkraftmaschine nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass eine Feder (22), insbesondere Schraubenfeder, vorgesehen ist, welche das Thermostatventil (20) in Richtung Wandung der Ölwanne (10) mit Kraft beaufschlagt.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass eine Innenwand (12) des doppelwandigen Bereiches (34) der Ölwanne (10) mit mehreren Öldurchtrittsöffnungen (14) versehen ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass eine Innenwand (12) des doppelwandigen Bereiches (34) der Ölwanne (10) punktförmig oder linienförmig mit einer Außenwand der Ölwanne (10) verbunden ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass ein Abstand zwischen einer Innenwand (12) und einer Außenwand des doppelwandigen Bereiches (34) der Ölwanne (10) im Bereich des Thermostatventiles (20) erhöht ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an einer Innenwandung (12) des doppelwandigen Bereiches (34) im Inneren (26) der Ölwanne (10) zusätzliche Schottwände (40) mit Öffnungen (42) vorgesehen sind.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Thermostatventil (20) als Zylinderventil ausgebildet ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass eine Innenwand (12) des doppelwandigen Bereiches (34) der Ölwanne (10) aus Kunststoff oder Metall, insbesondere Blech, oder einem Gusswerkstoff hergestellt ist.
- Brennkraftmaschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass im Boden der Ölwanne (10) eine Ölablassschraube (26) vorgesehen ist, welche sich durch eine Innenwand (12) und eine Außenwand des doppelwandigen Bereiches (34) der Ölwanne (10) derart erstreckt, dass diese den Durchtritt (38) durch die Innenwand (12) abdichtet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19938688A DE19938688A1 (de) | 1999-08-14 | 1999-08-14 | Verfahren zum Regeln einer Kühlung von Schmieröl einer Brennkraftmaschine |
| DE19938688 | 1999-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1077314A1 EP1077314A1 (de) | 2001-02-21 |
| EP1077314B1 true EP1077314B1 (de) | 2005-06-01 |
Family
ID=7918479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00114085A Expired - Lifetime EP1077314B1 (de) | 1999-08-14 | 2000-07-07 | Verfahren zum Regeln einer Kühlung von Schmieröl einer Brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1077314B1 (de) |
| AT (1) | ATE296945T1 (de) |
| DE (2) | DE19938688A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011122419A1 (de) | 2011-12-24 | 2013-06-27 | Volkswagen Aktiengesellschaft | Eine zur Schmiermittelversorgung einer Brennkraftmaschine bestimmte Einrichtung mit einem Schmiermittelsammelbehälter sowie ein derart ausgestattetes Kraftfahrzeug |
| DE102016206841B3 (de) * | 2016-04-22 | 2017-07-13 | Audi Ag | Antriebskomponente für ein Kraftfahrzeug sowie Kraftfahrzeug |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE430795C (de) * | 1924-05-31 | 1926-06-23 | Maybach Motorenbau G M B H | OElumlauf- und Kuehleinrichtung bei Verbrennungskraftmaschinen von Motorfahrzeugen |
| FR2033173A1 (de) * | 1969-11-13 | 1970-12-04 | Citroen Sa | |
| JPS5365536A (en) * | 1976-11-22 | 1978-06-12 | Toyota Motor Corp | Oil pan |
| AT372759B (de) * | 1977-04-05 | 1983-11-10 | Lenz Hans Peter Dipl Ing Dr Te | Fahrzeug-brennkraftmaschine mit einer in zwei kammern unterteilten oelwanne |
| DE2817743C2 (de) * | 1978-04-22 | 1986-04-30 | Audi AG, 8070 Ingolstadt | Einrichtung zur Regelung der Schmieröltemperatur einer Brennkraftmaschine mit einem Ölbehälter |
| DE2824415C2 (de) * | 1978-06-03 | 1987-05-14 | Volkswagen AG, 3180 Wolfsburg | Brennkraftmaschine für ein Kraftfahrzeug mit einer unterteilten Ölwanne |
| DE3031362A1 (de) * | 1978-06-03 | 1982-04-01 | Volkswagenwerk Ag, 3180 Wolfsburg | Brennkraftmaschine fuer ein kraftfahrzeug mit einer unterteilten oelwanne |
| DE3142327A1 (de) * | 1981-10-24 | 1983-05-05 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | "oelwanne fuer eine brennkraftmaschine" |
| DE3235292C2 (de) * | 1982-09-23 | 1986-01-09 | Waldemar 8700 Würzburg Gontscharow | Brennkraftmaschine für ein Kraftfahrzeug |
| DE4431105C2 (de) | 1994-09-01 | 1996-07-25 | Himmelsbach Johann | Vorrichtung zur Kühlung des Schmieröls von Verbrennungsmotoren mit Hilfe eines Isolierspaltes veränderlicher Wärmeleitfähigkeit |
| DE29706837U1 (de) * | 1997-04-16 | 1997-07-24 | Kunststofftechnik F.u.H. Riesselmann GmbH, 01458 Ottendorf-Okrilla | Ölwanne für Verbrennungsmotoren |
| DE19729253C2 (de) * | 1997-07-09 | 1999-05-06 | Daimler Chrysler Ag | Ölwanne für eine Brennkraftmaschine |
-
1999
- 1999-08-14 DE DE19938688A patent/DE19938688A1/de not_active Withdrawn
-
2000
- 2000-07-07 AT AT00114085T patent/ATE296945T1/de not_active IP Right Cessation
- 2000-07-07 EP EP00114085A patent/EP1077314B1/de not_active Expired - Lifetime
- 2000-07-07 DE DE50010438T patent/DE50010438D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE19938688A1 (de) | 2001-02-15 |
| EP1077314A1 (de) | 2001-02-21 |
| ATE296945T1 (de) | 2005-06-15 |
| DE50010438D1 (de) | 2005-07-07 |
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