EP1761689B1 - Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec - Google Patents

Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec Download PDF

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Publication number
EP1761689B1
EP1761689B1 EP05739627A EP05739627A EP1761689B1 EP 1761689 B1 EP1761689 B1 EP 1761689B1 EP 05739627 A EP05739627 A EP 05739627A EP 05739627 A EP05739627 A EP 05739627A EP 1761689 B1 EP1761689 B1 EP 1761689B1
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EP
European Patent Office
Prior art keywords
oil
internal combustion
combustion engine
space
sump
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.)
Not-in-force
Application number
EP05739627A
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German (de)
English (en)
Other versions
EP1761689A1 (fr
Inventor
Erwin Rutschmann
Thorsten Wieg
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
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Dr Ing HCF Porsche AG
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Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1761689A1 publication Critical patent/EP1761689A1/fr
Application granted granted Critical
Publication of EP1761689B1 publication Critical patent/EP1761689B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure

Definitions

  • the invention relates to an internal combustion engine with pressure circulation lubrication on the dry sump principle, in particular for a boxer engine eg from document DE 10053096 and according to the preamble of 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.
  • the oil flowing back into the oil sump is conveyed by a suction pump into a separate oil tank or oil reservoir, eg from the document US 4,825,825 , From there, the pressure oil feed pump sucks off the lubricant and pushes it over the filter and gff. Oil cooler to the lubrication points.
  • the oil tank is in most cases attached to the outside of the engine housing and has appropriate connections for the externally installed oil pressure lines.
  • the invention has for its object to increase the specific performance of an internal combustion engine to develop a low-friction engine with a dry sump - pressure circulation lubrication especially for high speed operation, in which the components required for the pressure circulation lubrication of the engine components are integrated in a space-saving manner largely in the engine.
  • the lubricating oil from the annular spaces can pass directly into the oil collecting space (s). This can largely be dispensed with external oil lines, so that this measure contributes to a compact and inexpensive implementation of an internal combustion engine with dry sump lubrication.
  • FIG. 1 shows the not limited to this embodiment principle of a dry sump - oil circuit diagram for a 6-cylinder boxer engine whose only necessary for the description of the oil circuit components are described below with reference to the drawings.
  • the engine has two crankcase halves 2 and 4, in each of which a row of cylinder banks 1 to 3 and 4 to 6 is arranged. To the two rows of cylinder banks is followed in each case by a cylinder head 6 and 8, in which the valve gear required for actuating the inlet and outlet valves is arranged.
  • the crankcase 2, 4 has below the bearing for the crankshaft 10 to a (dry sump) ⁇ labsaugraum 12, in which the lubrication oil provided for the lubrication of the bearings is collected.
  • integrated in the engine oil return holes ensure that the lubricating oil is purposefully returned to the ⁇ labsaugraum 12.
  • Thensumpf- ⁇ labsaugraum 12 is bounded by an oil bulkhead 14, on the two side walls 14a and 14b (wet sump) collecting spaces 16 and 18 adjacent. Both collecting chambers 16, 18 are connected to each other via a between the lower wall 14c of the oil pan 14 and a sump cover 20 forming gap 22 with each other.
  • an oil return pump 24 is provided, on whose suction side an oil suction line 26 is connected, which leads into the ⁇ labsaugraum 12.
  • an ⁇ labsaugschnorchel 28 is attached, which is placed in the region of the lower wall 14 c of the oil pan 14.
  • a line 30 is connected, which leads as a branch line 30a and 30b to a respective cylinder 1 to 3 and 4 to 6 surrounding annular space 32 and 34.
  • the two annular spaces 32, 34 are each at their crankcase facing end face by a seal 36 (shown only in the left crankcase half 2), eg in the form of plastic glasses, sealed. How out Fig. 1 and 2 recognizable, the annular spaces 32, 34 on their lower lateral surfaces openings 38 and openings, which are in each case with the (wet sump) collecting spaces 16, 18 in combination.
  • the middle cylinder of the two rows of cylinder banks 1 to 3 or 4 to 6 each have a vent pipe 40, 42 which is connected to the -related to the installation position of the cylinder top side of the annular spaces 32, 34.
  • suction pumps 44, 46 are provided which suck the pumped from a main pump 48 into the cylinder heads 6, 8 lubricating oil and via lines 50, 52 and the annular spaces 32, 34 also in the (wet sump) collecting spaces 16, 18 return.
  • the main feed pump 48 is driven via an intermediate shaft (not shown in detail), on whose suction side an oil suction line 58 is connected, which leads into the oil collecting space 16. At the end of the oil suction line 58, an oil suction snorkel 60 is again attached, which is placed in the vicinity of the sump cover 20.
  • an oil suction snorkel 60 is again attached, which is placed in the vicinity of the sump cover 20.
  • 4 integrated oil supply lines (not shown) connected to the consumers, such as. Main bearings of the crankshaft and the camshaft lead.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (6)

  1. Moteur à combustion interne à lubrification par circulation forcée selon le principe de la lubrification à carter sec, en particulier pour un moteur à cylindres horizontaux opposés, comprenant un boîtier de moteur, dans la partie inférieure duquel est réalisé un espace d'aspiration d'huile (carter sec), depuis lequel l'huile de lubrification est refoulée, par le biais d'une pompe de refoulement d'huile pourvue d'une conduite d'aspiration d'huile, jusque dans un réservoir d'huile (carter humide), tandis que l'huile de lubrification se trouvant dans le réservoir d'huile ou dans l'espace de réserve d'huile est conduite par le biais d'une pompe de refoulement principale jusqu'aux consommateurs, caractérisé en ce qu'un espace annulaire (32, 34) disposé autour des cylindres est prévu en tant que partie de la recirculation d'huile allant jusqu'au réservoir d'huile (16, 18).
  2. Moteur à combustion interne selon la revendication 1, caractérisé en ce que les espaces annulaires (32, 34) réalisés de manière ouverte vers le carter de vilebrequin sont fermés par une garniture d'étanchéité (36).
  3. Moteur à combustion interne selon la revendication 1 ou 2, caractérisé en ce que les espaces annulaires (32, 34) sont désaérés.
  4. Moteur à combustion interne selon l'une quelconque des revendications précédentes, caractérisé en ce que l'espace de réserve d'huile (16, 18) formant le carter humide est intégré dans le boîtier de moteur du moteur à combustion interne.
  5. Moteur à combustion interne selon la revendication 4, caractérisé en ce que l'espace de réserve d'huile (carter humide) (16, 18) est intégré dans le carter de vilebrequin (2, 4) de telle sorte que celui-ci soit séparé de l'espace de carter sec (12) par une ou plusieurs cloisons de séparation (14a, 14b, 14c).
  6. Moteur à combustion interne selon l'une quelconque des revendications précédentes, caractérisé en ce que le carter de vilebrequin (2, 4) est fabriqué dans une construction dite à conduits d'eau ouverts vers le haut.
EP05739627A 2004-06-23 2005-04-15 Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec Not-in-force EP1761689B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004030353A DE102004030353A1 (de) 2004-06-23 2004-06-23 Brennkraftmaschine mit Druckumlaufschmierung nach dem Trockensumpfprinzip
PCT/EP2005/003992 WO2006000269A1 (fr) 2004-06-23 2005-04-15 Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec

Publications (2)

Publication Number Publication Date
EP1761689A1 EP1761689A1 (fr) 2007-03-14
EP1761689B1 true EP1761689B1 (fr) 2011-11-30

Family

ID=34981265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739627A Not-in-force EP1761689B1 (fr) 2004-06-23 2005-04-15 Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec

Country Status (6)

Country Link
US (1) US7819227B2 (fr)
EP (1) EP1761689B1 (fr)
JP (1) JP4511597B2 (fr)
AT (1) ATE535685T1 (fr)
DE (1) DE102004030353A1 (fr)
WO (1) WO2006000269A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102019113615A1 (de) * 2019-05-22 2020-11-26 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit einer Umlaufschmierung

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JP2008002455A (ja) * 2006-05-26 2008-01-10 Yamaha Marine Co Ltd ４サイクルエンジンの潤滑装置
DE102008014828A1 (de) * 2008-03-18 2009-09-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Brennkraftmaschine
US8245685B2 (en) * 2009-06-26 2012-08-21 Ford Global Technologies Lubrication and sealing system for internal combustion engine
US8261702B2 (en) * 2009-06-26 2012-09-11 Ford Global Technologies Internal combustion engine with direct cooling of cylinder components
DE102010023063B4 (de) * 2010-06-08 2022-05-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ölversorgungssystem für eine Brennkraftmaschine
DE102010031872A1 (de) 2010-07-21 2012-01-26 Silag Handel Ag Schlauchverschraubung mit Kupplung und Wasserstopp
EP2410228B1 (fr) 2010-07-26 2021-03-10 Silag Handel AG Raccord à vis pour tuyaux doté d'un accouplement et d'un économiseur d'eau
US8474251B2 (en) 2010-10-19 2013-07-02 Ford Global Technologies, Llc Cylinder head cooling system
IN2014MN00741A (fr) 2011-10-05 2015-07-03 Engineered Propulsion Systems Inc
US9518505B2 (en) * 2012-12-11 2016-12-13 Ford Global Technologies, Llc Coolant jacket for a turbocharger oil drain
JP5892992B2 (ja) 2013-11-08 2016-03-23 本田技研工業株式会社 ドライサンプエンジンの油路構造、及び、ｖ型ドライサンプエンジンの油路構造
US10851686B2 (en) * 2015-06-10 2020-12-01 Sixteen Power, LLC System and method for the delivery and recovery of cooling fluid and lubricating oil for use with internal combustion engines
US11428157B2 (en) 2017-07-21 2022-08-30 General Atomics Aeronautical Systems, Inc. Enhanced aero diesel engine
US10851941B2 (en) * 2017-12-04 2020-12-01 Rolls-Royce Corporation Lubrication and scavenge system
US11143347B2 (en) 2018-03-14 2021-10-12 Yuan Mei Corp. Gardening fluid connection device

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Also Published As

Publication number Publication date
ATE535685T1 (de) 2011-12-15
JP4511597B2 (ja) 2010-07-28
WO2006000269A8 (fr) 2006-06-29
US7819227B2 (en) 2010-10-26
WO2006000269A1 (fr) 2006-01-05
US20080245613A1 (en) 2008-10-09
EP1761689A1 (fr) 2007-03-14
DE102004030353A1 (de) 2006-01-19
JP2008503683A (ja) 2008-02-07

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