EP1457646B1 - Dispositif de capture d'huile, particulièrement pour un moteur à cylindres opposés - Google Patents

Dispositif de capture d'huile, particulièrement pour un moteur à cylindres opposés Download PDF

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Publication number
EP1457646B1
EP1457646B1 EP04004754A EP04004754A EP1457646B1 EP 1457646 B1 EP1457646 B1 EP 1457646B1 EP 04004754 A EP04004754 A EP 04004754A EP 04004754 A EP04004754 A EP 04004754A EP 1457646 B1 EP1457646 B1 EP 1457646B1
Authority
EP
European Patent Office
Prior art keywords
oil
collecting
chamber
collecting device
engine
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
Application number
EP04004754A
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German (de)
English (en)
Other versions
EP1457646A1 (fr
Inventor
Christian Schwarzl
Tobias Bäumler
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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Filing date
Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1457646A1 publication Critical patent/EP1457646A1/fr
Application granted granted Critical
Publication of EP1457646B1 publication Critical patent/EP1457646B1/fr
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
    • 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
    • F01M2011/0033—Oilsumps with special means for guiding the return of oil into the sump
    • 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
    • F01M2011/0037—Oilsumps with different oil compartments
    • 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
    • F01M2011/0037—Oilsumps with different oil compartments
    • F01M2011/0045—Oilsumps with different oil compartments for controlling the oil temperature
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/243—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings

Definitions

  • the invention relates to an oil collecting device for an internal combustion engine, in particular for a boxer engine according to the preamble of patent claim 1.
  • an oil sump box attached to the sump cover is provided in the oil guide housing or in the oil sump, in which the oil sump is designed to supply the engine with lubricating oil is.
  • the returned by the consumers in the oil pan lubricating oil is first returned outside of the ⁇ labsaugraum forming oil pan box before it passes through the monitored in ⁇ lschottkasten by flaps openings in the actual ⁇ labsaugraum.
  • DE 101 39 709 A1 shows an oil-collecting device for an internal combustion engine, in particular for a boxer engine, in which an oil-collecting housing is arranged below the crankcase.
  • an oil-collecting housing is arranged below the crankcase.
  • ⁇ llaufammgephinuse two ⁇ lsammelsammlung are formed next to an ⁇ labsaugraum, the separation takes place over a wall portion.
  • a flap is provided which controls the passage of oil from the oil collecting space in the ⁇ labsaugraum.
  • Oil return lines for lubricating oil extracted from the engine lead to swirl spots located in the oil collection spaces.
  • the Swirlpots are used to defoam the oil, which can pass over the flaps in the ⁇ labsaugraum after defoaming.
  • the object of the invention is to further improve the so-called integrated dry sump in terms of its functionality, in order to achieve a high degree of integration, which at the same time includes a reduction of the preassembly circumference.
  • a bevel formed out of a wall section is provided in the oil collecting space, which serves as a drainage surface for the lubricating oil returned to the oil collecting space.
  • This sloping side wall of the oil collection chamber supported in an advantageous manner, the oil return from the cylinder heads to the extraction point.
  • the recirculated for example from the cylinder heads lubricating oil meets the sloping drainage surface and from there via the openings provided in the oil bulkhead openings in the ⁇ labsaugraum over.
  • the provided in the oil collection chamber with the lubricating oil - drainage wall portion is advantageously integrally formed from a oil cap the oil cap downwards final oil cap.
  • provided for the drainage plastic part can be formed so that the existing dead spaces existing in the oil sump can be substantially reduced.
  • the obliquely extending run-off surfaces which are provided at the same time for defoaming the lubricating oil, can additionally be provided with ribs, nubs or the like. Molded bodies, so that the lubricating oil is degassed accordingly on the way into the ⁇ labsaugraum.
  • the two oil bulkheads delimiting the oil suction chamber and oil return pipes arranged in the oil collecting chamber are combined in one piece as a type of pre - assembly module.
  • the integration of the components belonging to the dry sump is further increased when the ⁇ labsaugschnorchel arranged in the oil collecting space is combined with the two oil return lines as a common module in one piece.
  • the crankcase of a 6-cylinder boxer engine shown in section in FIG. 2 consists, without limitation, of this embodiment of two crankcase halves 2 and 4 with two horizontally arranged rows of cylinder banks 1 to 3 and 4 to 6 (not shown). From each of the two crankcase halves 2 and 4, a downwardly extending wall portion 6 and 8 is formed, which together with an attached to the flange 10 and 12 of the two wall sections 6 and 8 oil cover 14, an oil collection housing, hereinafter referred to as oil sump form.
  • the oil pan has an ⁇ labsaugraum 16, in which a leading to a main oil pump, not shown ⁇ labsaugschnorchel 18 is arranged.
  • both oil collecting spaces 20 and 22 are formed, which are separated from the ⁇ labsaugraum 16 by two oil bulkheads 24 and 26.
  • Both oil bulkhead walls 24 and 26 are each provided with three window-like passage openings 28, 29 and 30, which are monitored by a respective functioning as a check valve flow flap 32 and 34.
  • 26 retaining pins 36 are provided for each flow flap 32, 34, where the flow flap 32, 34 is mounted;
  • the elastically formed flow flaps 32, 34 are made of rubber.
  • a further rectangular opening 38 and 40 to each of which, a funnel-shaped widening oil return line 42 and 44 is introduced.
  • the respective other end of the two oil return lines 42, 44 is connected via a respective connecting piece 46 and 48 to two integrated in the crankcase halves 2 and 4 return channels 50.
  • Both formed by the crankcase halves 2 and 4 oil return passages 50 are separated by a partition, not shown, which is arranged in the region between the two connecting pieces 46 and 48.
  • Both connecting pieces 46, 48 are connected to each other via a connection plate 52; the latter is attached via two screw 54 and 56 on the crankcase 2, 4.
  • the ⁇ labsaugschnorchel 18 is integrally connected to the connection plate 52, wherein the connecting flange 58 of the ⁇ labsaugschnorchels 18 is bolted to the crankcase 2.
  • the two oil bulkheads 24, 26 and the two oil return lines 42, 44 together with the ⁇ labsaugschnorchel 18 a one-piece plastic bulkhead module, which is designed as a prefabricated mounting unit.
  • the also made of plastic oil cover 14 has to the lateral boundary of the two oil collecting chambers 20 and 22 two integral with the oil cover 14 connected ramps 60 and 62, which engage in the assembled state of the engine in the two oil collecting spaces 20 and 22.
  • the two ramps 60 and 62 each have a the oil collecting space 20 and 22 delimiting and provided with a slope wall portion 64 and 66, which serves as an oil drainage surface for in the oil collection chamber 20, 22 recirculated lubricating oil, as explained in more detail below.
  • From the oil cover 14 two cylindrical Abdichtstutzen 68 and 70 are further formed, which engage in the mounted state provided in the crankcase 2, 4 openings 72 and 74 sealingly.
  • two coolant channels are sealed, which adjoin the oil sump of the crankcase.
  • a drain plug for the coolant can be provided in one of these seals.
  • the existing oil plastic cover 14 has to seal against the flange surfaces 10, 12 a circumferential groove-shaped contour 76, in which an elastomeric seal 77 is inserted.
  • 4 are still on the Outer contour of the oil cover 14 corresponding Flansch - screwing 78 formed.
  • cup-shaped recess 80 engages the ⁇ labsaugschnorchel 18 a.
  • the oil return into the sump is done in the following way:
  • the extracted from the two cylinder heads of the engine lubricating oil is fed back via the two oil return passages 50 (oil return on the arrows in Fig. 1) and the two oil return lines 42 and 44 in the two oil collecting spaces 20 and 22.
  • the lubricating oil exits into the oil collecting chambers 20, 22, the lubricating oil strikes the two inclined wall sections 64, 66 of the two ramps 60, 62 arranged in the oil collecting chamber 20, 22 and flows therefrom, depending on the height of the oil level through the flaps 32, 34 monitored openings 28 to 30 in the ⁇ labsaugraum 16 a. From there, it is fed back to the consumers in a known manner via the main oil pump, not shown.
  • the lubricating oil When the lubricating oil drains from the wall sections 64, 66, the lubricating oil can be defoamed and thus the gaseous constituents separated from the lubricating oil.
  • the defoaming of the back-flowing lubricating oil can be further improved if the drainage surfaces 64, 66 are additionally provided with ribs, nubs o. ⁇ . Formed bodies.
  • a second embodiment is shown, which is only slightly modified compared to the first embodiment and is identical in function to the first embodiment.
  • the ⁇ labsaugschnorchel 18 is not integrally attached to the bulkhead module, but separately extending, arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (6)

  1. Dispositif collecteur d'huile pour un moteur à combustion interne, en particulier pour un moteur à cylindres à plat, comportant un bac de récupération d'huile, qui est agencé en dessous d'un carter de vilebrequin et dans lequel est réalisé un compartiment d'aspiration d'huile (16), hors duquel l'huile de lubrification est acheminée vers des consommateurs par l'intermédiaire d'une pompe à huile principale munie d'une conduite d'aspiration d'huile, et au moins un compartiment de collecte d'huile (20, 22), dans lequel l'huile de lubrification sortant des consommateurs est renvoyée via une conduite d'huile, est adjacent au compartiment d'aspiration d'huile, ledit compartiment d'aspiration d'huile étant séparé du compartiment de collecte d'huile (20, 22) par au moins une cloison étanche à l'huile (24, 26), dans laquelle est réalisée au moins une ouverture de passage (28 à 30), qui peut être contrôlée par un clapet (32, 34) et par laquelle l'huile de lubrification peut passer du compartiment de collecte d'huile dans le compartiment d'aspiration d'huile, une partie de paroi (64, 66) étant prévue, qui délimite le compartiment de collecte d'huile (20, 22) et est écartée de la cloison étanche à l'huile (24, 26) et qui, par rapport à l'ouverture de passage (28 à 30) dans la cloison étanche à l'huile (24, 26), s'étend en inclinaison vers le bas et fait fonction de surface d'écoulement de l'huile de lubrification renvoyée dans le compartiment de collecte d'huile (20, 22), caractérisé en ce que deux conduites de recirculation d'huile (42, 44) sont disposées dans le compartiment d'aspiration d'huile (16), lesquelles sont reliées d'un côté à des conduits de recirculation d'huile (50) intégrés dans le carter de vilebrequin et débouchent de l'autre côté chacune dans au moins une ouverture (38, 40) prévue dans la cloison étanche à l'huile (24, 26).
  2. Dispositif collecteur d'huile selon la revendication 1, caractérisé en ce que la partie de paroi (64, 66) est une partie d'une rampe (60, 62), qui est réalisée d'un seul tenant dans un couvercle (14) obturant vers le bas le collecteur d'huile.
  3. Dispositif collecteur d'huile selon la revendication 2, caractérisé en ce que le couvercle (14) du collecteur d'huile et la rampe (60, 62) sont réalisés en matière plastique.
  4. Dispositif collecteur d'huile selon l'une quelconque des revendications précédentes, caractérisé en ce que respectivement à gauche et à droite du compartiment d'aspiration d'huile (16), il est prévu un compartiment de collecte d'huile (20, 22) séparé par une cloison étanche à l'huile (24, 26).
  5. Dispositif collecteur d'huile selon la revendication 4, caractérisé en ce que les deux cloisons étanches à l'huile (24, 26), ainsi que les deux conduites de recirculation d'huile (42, 44) sont assemblées pour former un module de compartiment étanche.
  6. Dispositif collecteur d'huile selon la revendication 5, caractérisé en ce qu'un tube d'aspiration d'huile (18) est regroupé avec les deux conduites de recirculation d'huile (42, 44).
EP04004754A 2003-03-08 2004-02-26 Dispositif de capture d'huile, particulièrement pour un moteur à cylindres opposés Expired - Lifetime EP1457646B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10310179A DE10310179B4 (de) 2003-03-08 2003-03-08 Ölauffangvorrichtung für eine Brennkraftmaschine, insbesondere für einen Boxermotor
DE10310179 2003-03-08

Publications (2)

Publication Number Publication Date
EP1457646A1 EP1457646A1 (fr) 2004-09-15
EP1457646B1 true EP1457646B1 (fr) 2006-11-15

Family

ID=32748167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04004754A Expired - Lifetime EP1457646B1 (fr) 2003-03-08 2004-02-26 Dispositif de capture d'huile, particulièrement pour un moteur à cylindres opposés

Country Status (4)

Country Link
US (1) US7124730B2 (fr)
EP (1) EP1457646B1 (fr)
JP (1) JP2004270697A (fr)
DE (2) DE10310179B4 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005029083B4 (de) 2005-06-23 2022-11-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ölauffanggehäuse für eine Brennkraftmaschine
DE102005030850B4 (de) * 2005-07-01 2008-05-29 Mtu Friedrichshafen Gmbh Kurbelgehäuse mit Bodenplatte
DE102006032794A1 (de) * 2006-07-14 2008-01-17 Dr.Ing.H.C. F. Porsche Ag Ölauffangvorrichtung für eine Brennkraftmaschine
JP4546430B2 (ja) * 2006-08-28 2010-09-15 本田技研工業株式会社 エンジンのオイル戻し構造
JP4483910B2 (ja) * 2007-08-29 2010-06-16 トヨタ自動車株式会社 オイルパン構造
DE102008022445A1 (de) * 2008-04-30 2009-11-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ölsammelbehälter für eine Brennkraftmaschine
DE102008022446B4 (de) * 2008-04-30 2020-04-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ölsammelbehälter für eine Brennkraftmaschine
DE102008040691A1 (de) * 2008-07-24 2010-02-25 Zf Friedrichshafen Ag Getriebeölraum
DE102010009913A1 (de) * 2010-03-02 2011-09-08 Daimler Ag Verbrennungskraftmaschine
CN103452697B (zh) * 2013-09-02 2015-08-05 重庆长安汽车股份有限公司 一种汽车发动机
GB2550113B (en) * 2016-05-03 2019-07-24 Ford Global Tech Llc Crankcase oil catcher with an aperture and seal.
US10208637B2 (en) * 2016-09-26 2019-02-19 Solar Turbines Incorporated Sump tank for a gas turbine engine
CN107676147A (zh) * 2017-08-10 2018-02-09 中国北方发动机研究所(天津) 一种可用作机油箱的新型干式油底壳结构
US11028741B1 (en) 2020-08-24 2021-06-08 Apq Development, Llc Oil pick-up assembly
USD921045S1 (en) 2020-08-24 2021-06-01 Apq Development, Llc Oil pick-up assembly
USD916152S1 (en) 2020-08-24 2021-04-13 Apq Development, Llc Compression limiter
US11078958B1 (en) 2020-08-24 2021-08-03 Apq Development, Llc Compression limiter

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Publication number Priority date Publication date Assignee Title
JPS58200017A (ja) * 1982-05-18 1983-11-21 Fuji Heavy Ind Ltd 内燃機関の潤滑装置
GB2278400A (en) * 1993-05-28 1994-11-30 Ford Motor Co I.c. engine oil sump.
GB2279109A (en) * 1993-06-18 1994-12-21 Rover Group Engine oil sump
DE4405188C2 (de) * 1994-02-18 1997-10-02 Porsche Ag Brennkraftmaschine
IT1296645B1 (it) * 1997-12-16 1999-07-14 Fiat Auto Spa Paratia di copertura per la coppa dell'olio lubrificante e motore a combustione interna, comprendente tale paratia.
DE19818590C2 (de) * 1998-04-25 2000-03-23 Daimler Chrysler Ag Ölwanne
DE10139709A1 (de) * 2001-08-11 2003-02-27 Porsche Ag Ölauffangvorrichtung für eine Brennkraftmaschine, insbesondere für einen Boxermotor

Also Published As

Publication number Publication date
DE502004001977D1 (de) 2006-12-28
JP2004270697A (ja) 2004-09-30
DE10310179B4 (de) 2008-12-24
US7124730B2 (en) 2006-10-24
DE10310179A1 (de) 2004-09-23
EP1457646A1 (fr) 2004-09-15
US20040231924A1 (en) 2004-11-25

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