EP1598532A1 - Schmiervorrichtung für eine Brennkraftmaschine - Google Patents

Schmiervorrichtung für eine Brennkraftmaschine Download PDF

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Publication number
EP1598532A1
EP1598532A1 EP05291063A EP05291063A EP1598532A1 EP 1598532 A1 EP1598532 A1 EP 1598532A1 EP 05291063 A EP05291063 A EP 05291063A EP 05291063 A EP05291063 A EP 05291063A EP 1598532 A1 EP1598532 A1 EP 1598532A1
Authority
EP
European Patent Office
Prior art keywords
oil
reservoir
tank
engine
return
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
Application number
EP05291063A
Other languages
English (en)
French (fr)
Other versions
EP1598532B1 (de
Inventor
Christian Noiret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP1598532A1 publication Critical patent/EP1598532A1/de
Application granted granted Critical
Publication of EP1598532B1 publication Critical patent/EP1598532B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/005—Controlling temperature of lubricant
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
    • 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
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of 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
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/061—Means for keeping lubricant level constant
    • 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
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
    • F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
    • F01M2005/023—Oil sump with partition for facilitating heating of oil during starting
    • 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
    • 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
    • F01M2250/00—Measuring
    • F01M2250/60—Operating parameters

Definitions

  • the invention relates to a lubricating device for an internal combustion engine.
  • the invention relates more particularly to a device for lubrication for an internal combustion engine comprising a first oil tank a second oil tank, means of connection between the first and the second tank allowing a return of oil from the second tank to the first tank, means of aspiration of the oil into the first tank, a first circulation loop oil sucked into the engine, means of determination of the temperature of the oil, means of selective diversion of at least part of the oil circulation in the first loop towards the second tank in depending on the temperature of the oil.
  • Such a device is known in particular from document EP 0 132.
  • This device includes a first oil reservoir under the engine and a second oil tank that is separated from the engine.
  • the first tank is put in communication with inside the engine by a first loop of implementation circulation of the oil sucked by an oil pump into the first tank.
  • On this first loop of implementation circulation is connected, upstream of the engine, a second oil diversion loop to derive oil in the second tank.
  • a valve located on the second loop, allows to derive oil only when the temperature of the aspirated oil is greater than a predetermined value.
  • the return of the oil from the second tank to the first tank is carried out by a system comprising means of determination of the oil level in the first tank and valves allowing oil return depending on the level of oil in the first tank.
  • An object of the present invention is to mitigate all or part of the disadvantages of the prior art noted above.
  • the lubricating device according to the invention is essentially characterized in that that the second tank is substantially under pressure atmospheric and in that the means of connection have an overflow system allowing return of oil from the second tank to the first tank by gravity.
  • the lubrication device of a combustion engine 1 shown in Figures 1 to 4 in different modes of realization comprises a first tank 2 of oil of lubrication located under the engine 1. This tank is intended in particular to harvest the lubricating oil circulating in the engine 1. Oil suction means 5, comprising usually an oil pump, are arranged in the first tank 2. The aspirated oil is circulated to the engine 1 in a first circulation loop 7. After lubrication of various mechanical parts of the engine, the oil descends heated by the organs via inside the engine 1 to the first tank 2.
  • Selective branching means 8, 9 are connected to the first circulation loop 7, for example in upstream of the engine 1 or even at the level of the engine 1, preferably at the breech.
  • selective branching means 8, 9 are connected to the first circulation loop 7 so as to allow a bypass of the oil sucked under pressure.
  • the means of 8, 9 include a branch branch 8 which has a first end connected to the first loop 7 and a second end connected to a second tank 3.
  • the branch 8 is connected directly to the second reservoir 3 at the lower end, preferably the bottom thereof, as shown in the figures.
  • the selective diversion means 8, 9 comprise also a valve 9 for regulating the flow of the derived oil.
  • valve 9 for regulating the flow of the derived oil.
  • different types of valves such as electrical or thermal control, can be used.
  • the valve 9 is located on the branch of derivation 8.
  • the valve 9 does not allow an oil passage of the first 2 towards the second 3 tank only when the temperature of the oil of the first tank 2 is greater than a temperature predetermined.
  • means for determining the temperature 6 determine the temperature of the oil sucked either before the suction in the first tank 2 or after aspiration.
  • a thermovalve can be used which combines the means for determining the temperature 6 with the function valve 9, as shown in the figures.
  • the second tank 3, in which part the oil can be derived, can be separated from the engine 1 (see Figures 1 and 3) or adjacent to the engine 1 (see for example Figures 2 and 4). In the case of a second tank 3 adjacent to the engine 1, this tank can for example be integrated into the engine block and: or at the breech, advantageously at a side face of the engine 1.
  • the second tank 3 is a volume tank constant which is substantially under pressure atmospheric.
  • the lubricating device according to the invention comprises connection means 4 between the first 2 and the second 3 tank allowing a return of oil by gravity from the second 3 to the first 2 tank.
  • the return gravity oil is provided by relative altitudes the two tanks 2 and 3 and their means of 4.
  • the second tank 3 and the junction between the second tank 3 and the means of connection 4 are located above the first tank 2,
  • the return of gravity oil is provided by a overflow system.
  • the derived oil arrives in the second tank 3, the volume and thus the oil level increase 3. When the oil level exceeds one certain predetermined level defined by the overflow system, the excess oil is donated under the effect of gravity at the first tank 2.
  • the second tank 3 has a capacity higher oil than the first tank 2.
  • the first tank 2 can hold two liters of oil and the second 3 four liters. This reduces the volume of the first tank 2 and so the clutter of the entire engine 1.
  • the first reservoir is arranged so as to allow a reduction in the height of the entire engine.
  • the lubricating device according to the invention allows a increasing the total oil volume and so allows spacing the empties.
  • connection means 4 comprise, besides the overflow system, a conduit directly connecting the first 2 to second 3 tank.
  • the embodiments shown in Figures 2 and 4 do not use ducts for connect the second 3 to the first 2 tank.
  • Modes of embodiment of FIGS. 2 and 4 use the interior of the motor 1 as connecting means 4.
  • the overflow system is advantageously arranged so as to create a communication between the second tank 3 and inside the engine 1.
  • the oil return is made from way to lower the oil, for example, along the walls inside the engine 1 to the first tank 2.
  • connection modes allowing the return of the oil from the second 3 to the first 2 tank.
  • oil return can be provided either via the inside of the motor 1, either via a the outside of the engine 1 or by a combination of these two modes.
  • FIGS. and 4 show variants respectively embodiments illustrated in FIGS. and 2.
  • the elements identical to those of the described embodiments above are designated by the same reference numbers and are not described a second time in detail.
  • the variants of Figures 3 and 4 are distinguished from the achievements described above only at the level of the means of derivation 8.9.
  • the valve 9 is a valve three ways to either derive oil to the second reservoir 3, or to pour back derived oil directly into the first tank 2.
  • the flap of discharge 10 is usually integrated with the oil pump 5, but it is also possible to mount it separately, for example at the level of the diversion means 8, upstream of the valve 9.
  • the lubricating device according to the invention described above presents a simple and inexpensive structure. More particularly, it allows optimized regulation of oil exchanges between the first 2 and the second 3 tank guaranteeing optimum oil temperature rise for the operation of the engine 1.
  • the device according to the invention makes it possible to quickly reach a temperature optimal for the operation of the engine 1, especially when from a cold start, which leads to a reduction in the fuel consumption.
  • this lubrication device guarantees through its oil return system from the second 3 to the first 2 tank an optimized amount of oil in the first 2. In this way, the lubricating device according to the invention considerably reduces the risk of breakdowns to a lack of oil in the first tank.
  • the system of oil return according to the invention also allows the use single point for the filling of the first 2 and the second 3 tank. When, filling in the second tank 3, the oil level exceeds the predetermined level defined by the overflow system, the excess oil is reversed under the effect of gravity in the first tank 2 and so fills it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP05291063A 2004-05-18 2005-05-17 Schmiervorrichtung für eine Brennkraftmaschine Expired - Lifetime EP1598532B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450987A FR2870565B1 (fr) 2004-05-18 2004-05-18 Dispositif de lubrification d'un moteur a combustion interne
FR0450987 2004-05-18

Publications (2)

Publication Number Publication Date
EP1598532A1 true EP1598532A1 (de) 2005-11-23
EP1598532B1 EP1598532B1 (de) 2007-04-11

Family

ID=34942305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05291063A Expired - Lifetime EP1598532B1 (de) 2004-05-18 2005-05-17 Schmiervorrichtung für eine Brennkraftmaschine

Country Status (4)

Country Link
EP (1) EP1598532B1 (de)
AT (1) ATE359433T1 (de)
DE (1) DE602005000848T2 (de)
FR (1) FR2870565B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3004753A1 (fr) * 2013-04-23 2014-10-24 Peugeot Citroen Automobiles Sa Procede de montee rapide en temperature de l'huile d'un moteur thermique et carter d'huile

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021255A1 (de) 2008-04-29 2009-01-22 Daimler Ag Schmierstoffspeicherbehälter sowie Schmiertoffkreislauf
DE102017114394A1 (de) 2017-06-28 2019-01-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verbrennungsmotor, Verfahren zu dessen Herstellung und Kraftfahrzeug

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712420A (en) * 1971-04-06 1973-01-23 Mack Trucks Engine lubrication system
JPS6166813A (ja) * 1984-09-10 1986-04-05 Nissan Motor Co Ltd 内燃機関用オイルパン
DE3544724A1 (de) * 1985-12-18 1987-06-19 Volkswagen Ag Behaelteranordnung fuer eine betriebsfluessigkeit einer brennkraftmaschine
DE4202572A1 (de) * 1991-02-12 1992-08-13 Volkswagen Ag Schmier- und/oder kuehloelversorgung fuer eine maschine, insbesondere eine brennkraftmaschine
JPH10259707A (ja) * 1996-10-31 1998-09-29 Yamaha Motor Co Ltd ４サイクルエンジン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712420A (en) * 1971-04-06 1973-01-23 Mack Trucks Engine lubrication system
JPS6166813A (ja) * 1984-09-10 1986-04-05 Nissan Motor Co Ltd 内燃機関用オイルパン
DE3544724A1 (de) * 1985-12-18 1987-06-19 Volkswagen Ag Behaelteranordnung fuer eine betriebsfluessigkeit einer brennkraftmaschine
DE4202572A1 (de) * 1991-02-12 1992-08-13 Volkswagen Ag Schmier- und/oder kuehloelversorgung fuer eine maschine, insbesondere eine brennkraftmaschine
JPH10259707A (ja) * 1996-10-31 1998-09-29 Yamaha Motor Co Ltd ４サイクルエンジン

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0102, no. 34 (M - 507) 14 August 1986 (1986-08-14) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14 31 December 1998 (1998-12-31) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3004753A1 (fr) * 2013-04-23 2014-10-24 Peugeot Citroen Automobiles Sa Procede de montee rapide en temperature de l'huile d'un moteur thermique et carter d'huile

Also Published As

Publication number Publication date
ATE359433T1 (de) 2007-05-15
FR2870565B1 (fr) 2006-06-30
FR2870565A1 (fr) 2005-11-25
DE602005000848T2 (de) 2007-12-20
DE602005000848D1 (de) 2007-05-24
EP1598532B1 (de) 2007-04-11

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