EP0964982B1 - Dispositif d'aeration pour carter de moteur a combustion interne - Google Patents

Dispositif d'aeration pour carter de moteur a combustion interne Download PDF

Info

Publication number
EP0964982B1
EP0964982B1 EP98909439A EP98909439A EP0964982B1 EP 0964982 B1 EP0964982 B1 EP 0964982B1 EP 98909439 A EP98909439 A EP 98909439A EP 98909439 A EP98909439 A EP 98909439A EP 0964982 B1 EP0964982 B1 EP 0964982B1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
balancer shaft
space
crankcase
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
EP98909439A
Other languages
German (de)
English (en)
Other versions
EP0964982A1 (fr
Inventor
Hans BRÜGGEMANN
Hansjörg FINKBEINER
Martin Schmid
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0964982A1 publication Critical patent/EP0964982A1/fr
Application granted granted Critical
Publication of EP0964982B1 publication Critical patent/EP0964982B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
    • F01M3/04—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture for upper cylinder lubrication only
    • 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
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • 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
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device

Definitions

  • the invention relates to an internal combustion engine with a Crankcase ventilation device.
  • Post-published EP 0 780 593 A1 discloses a ventilation device for a crankcase of an internal combustion engine known, wherein the crankcase a crankshaft, a for Crankshaft parallel, counterparallel rotating balancer shaft and an additional, parallel to the crankshaft, parallel Having auxiliary shaft with a counterweight.
  • the auxiliary shaft For ventilation of the Cylinder head space is the auxiliary shaft with an axial blind hole provided with a connected to the air filter Ventilation duct and with a running through the counterweight Cross hole is connected.
  • crankcase ventilation device in such form, that at low construction cost of ⁇ labscheidegrad the device is improved.
  • a significant advantage of the ventilation devices according to the invention lies in the increase of the oil separation rate.
  • the spatial Separation of the openings for supplying the blow-by oil mixture in the mass balance weights, the radial bores to subsequent discharge of the mass balance weights separated oil droplets and the gas guidance space for removal the blow-by gas into the intake system of the internal combustion engine prevents entrainment of already separated oil droplets into the intake system. Due to due to the rotating Balance shaft on the blow-by-oil mixture acting centrifugal forces Air and oil are in the mass balance weights inevitably separated, with air and oil after the Separation be passed through different holes. There is no additional parts expense required because the Venting device in the balance shaft and the mass balance weights is integrable.
  • the processing effort is low, since only holes in the balance shaft and the Mass balance weights are to be introduced. An additional one Separating room can be omitted.
  • the centrifugal force acting on the oil is much larger than that on the oil as well acting gravity, so that the oil-removing radial bores anywhere on the circumference of the mass balance weights can be arranged and any skew of the Internal combustion engine or the vehicle without influence on the oil separation remains.
  • FIG. 1 shows a Ventilation device 1 according to the invention of a crankcase a non-illustrated internal combustion engine.
  • the internal combustion engine has a rotating balance shaft 2 with mass balance weights 3 and 4, which in one with the Crankcase connected space 5 in the cylinder head 6 above not shown here gas exchange valves of the internal combustion engine is stored.
  • the space 5 is by means of a cover 7th closed at the top.
  • the balance shaft 2 has a in the direction of its axis of rotation 8 extending gas guide space 9, which is closed at one end 9a and at a gas discharging End 9b over a tightly closed to the outside Chamber 10 with the intake system 11 only partially shown the internal combustion engine is connected, whereby a negative pressure in the venting device 1 prevails.
  • mass balance weights 3, 4 are frontally each arranged two opposing openings 12, which in axially and parallel to the axis of rotation 8 of the balance shaft 2 extending supply holes 13 open.
  • the feed holes 13 are also incorporated in the mass balance weights 3, 4 Radial holes 14 connected, which in the room 5 outside the balance shaft 2 and obliquely in the gas routing space 9 of the balancer shaft 2 open.
  • the balance shaft 2 included the mass balance weights attached 3, 4 um the rotation axis 8 rotates at a high rotational speed, it is impossible for the oil droplets in contrast to the gases via the oil-removing radial bores 14 in the gas routing space 9 to arrive within the balancer shaft 2.
  • the space 5 outside the balancer shaft 2 facing end portions 15 of the radial bores 14 and the associated increase the discharge resistance can be additionally achieved that only the separated oil and not the air in the room 5 outside the balance shaft 2 exits.
  • Fig. 2 shows a schematic exploded view of another Embodiment of a ventilation device according to the invention 16.
  • the balancer shaft 2 of the internal combustion engine has a front end 2a introduced at one end Opening 17 for entry of the blow-by mixture from the crankcase on, which opens into a gas guide chamber 9, which within the mass balance weights 3, 4 separation chambers 9a, 9b having.
  • the mass balance weights 3, 4 only oil-removing radial bores 14, on the one hand with the gas guide chamber 9 of the Balancing shaft 2 and on the other hand with the space 5 outside the Balancing shaft 2 are in communication.
  • the gas routing space 9 the balance shaft 2 is above the flow-calming chamber 10 connected to the intake system 11 of the internal combustion engine.
  • the blow-by mixture passes from the crankcase of the internal combustion engine on the end 2a of the balancer shaft 2 frontally arranged opening 17 in the gas guide chamber 9 and thus into the separation chambers 9a, 9b extending around the rotation axis 8 rotating balance shaft 2.
  • the by the rotation of the balancer shaft 2 and the mass balance weights 3, 4 on the Mixture-acting centrifugal forces cause ejection of the oil via the radial bores 14 of the mass balance weights 3, 4 in the space 5 outside the balance shaft 2, from where the oil drips into the oil pan of the engine.
  • the Blow-by gases are passed over the gas-discharging end 9c the gas guide chamber 9 subsequent chamber 10 to the intake system 11 of the internal combustion engine supplied.
  • the number of mass balancing weights used for the venting device can vary, which also causes the use only a mass balance weight would be conceivable.
  • the between Intake system and venting device arranged chamber allows an optimal seal by the chamber, for example an integrally formed on the chamber wall nozzle for connection to the intake system and the balance shaft at her Gasabmixden end by means of a shaft seal in the chamber is stored. Furthermore, a vote of the oil separation according to the two embodiments by the variation of Position, the diameter and the angle of the radial and axial bores be made. In addition, the wetting surface increased in the radial bores by introducing steel wool become.

Landscapes

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

Claims (6)

  1. Moteur à combustion interne comportant un dispositif (1) de désaération du carter-moteur, comportant
    un arbre d'équilibrage (2) comportant des poids d'équilibrage (3,4), qui est disposé dans la culasse (6) au-dessus des soupapes d'alternance de gaz du moteur à combustion interne;
    une chambre (5), qui est disposée à l'extérieur de l'arbre d'équilibrage (2) qui est reliée au carter-moteur,
    une chambre (9) de guidage des gaz, qui s'étend axialement et concentriquement par rapport à l'axe de rotation (8) de l'arbre d'équilibrage (2), à l'intérieur de cet arbre, et qui est relié à un système (11) du moteur à combustion interne,
    dans laquelle il est prévu dans un poids d'équilibrage (3, 4) au moins une ouverture (12), qui relie la chambre (5) à un perçage d'amenée (13) qui est parallèle à l'axe de rotation (8),
    dans laquelle le perçage d'amenée (13) est relié à un perçage radial (14) d'évacuation de l'huile, qui est disposé dans le poids d'équilibrage (3, 4), et
    dans laquelle le perçage radial (14) débouche aussi bien dans l'espace (5) à l'extérieur de l'arbre d'équilibrage (2) que dans la chambre (9) de guidage des gaz de l'arbre d'équilibrage (2).
  2. Moteur à combustion interne comportant un dispositif (1) de désaération du carter-moteur, comportant
    un arbre d'équilibrage (2) comportant des poids d'équilibrage (3,4), qui est disposé dans la culasse (6) au-dessus des soupapes d'alternance de gaz du moteur à combustion interne;
    une chambre (5), qui est disposée à l'extérieur de l'arbre d'équilibrage (2) qui est reliée au carter-moteur,
    une chambre (9) de guidage des gaz, qui s'étend axialement et concentriquement par rapport à l'axe de rotation (8) de l'arbre d'équilibrage (2), à l'intérieur de cet arbre, et qui est relié à un système (11) du moteur à combustion interne,
    dans laquelle il est prévu dans une extrémité (2a) de l'arbre d'équilibrage (3, 4) au moins une ouverture (12), qui relie le carter-moteur à la chambre (9) d'amenée des gaz,
    dans laquelle dans un poids d'équilibrage de masse (3, 4) est aménagé un perçage radial (14) qui évacue l'huile et qui débouche aussi bien dans la chambre (5) à l'extérieur de l'arbre d'équilibrage (2) ainsi que dans la chambre (9) de guidage des gaz de l'arbre d'équilibrage (2).
  3. Moteur à combustion interne selon la revendication 1 ou 2, caractérisé en ce qu'entre une extrémité (9b, 9c) d'évacuation des gaz de la chambre (9) de guidage des gaz (9, 9) et le système d'aspiration (11) du moteur à combustion interne est disposée une chambre (10) qui est agencée de manière à être fermée d'une manière étanche à l'air vis-à-vis de l'environnement.
  4. Moteur à combustion interne selon la revendication 1, caractérisé en ce que respectivement deux ouvertures (12), qui sont situées à l'opposé l'une de l'autre et sont disposées parallèlement à l'axe de rotation (8), sont prévues frontalement dans les poids d'équilibrage (3, 4).
  5. Moteur à combustion interne selon la revendication 1, caractérisé en ce que les perçages radiaux (14), qui évacuent l'huile, possèdent un diamètre plus faible dans la chambre (5) à l'extérieur des zones de sortie (15) tournées vers l'arbre d'équilibrage (2).
  6. Moteur à combustion interne selon la revendication 2, caractérisé en ce que la chambre (9) de guidage des gaz possède des chambres de séparation (9a, 9b) à l'intérieur des poids d'équilibrage (3, 4).
EP98909439A 1997-02-19 1998-02-11 Dispositif d'aeration pour carter de moteur a combustion interne Expired - Lifetime EP0964982B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19706383A DE19706383C2 (de) 1997-02-19 1997-02-19 Entlüftungsvorrichtung für ein Kurbelgehäuse einer Brennkraftmaschine
DE19706383 1997-02-19
PCT/EP1998/000756 WO1998037316A1 (fr) 1997-02-19 1998-02-11 Dispositif d'aeration pour carter de moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP0964982A1 EP0964982A1 (fr) 1999-12-22
EP0964982B1 true EP0964982B1 (fr) 2003-04-09

Family

ID=7820723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98909439A Expired - Lifetime EP0964982B1 (fr) 1997-02-19 1998-02-11 Dispositif d'aeration pour carter de moteur a combustion interne

Country Status (6)

Country Link
US (1) US6279553B1 (fr)
EP (1) EP0964982B1 (fr)
JP (1) JP2000509783A (fr)
KR (1) KR20000071109A (fr)
DE (2) DE19706383C2 (fr)
WO (1) WO1998037316A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19931740C2 (de) 1999-07-08 2001-06-13 Daimler Chrysler Ag Hubkolbenbrennkraftmaschine mit einer Nockenwelle
DE19947143C1 (de) * 1999-10-01 2001-04-05 Daimler Chrysler Ag Entlüftungsvorrichtung für ein Kurbelgehäuse einer Brennkraftmaschine
DE102004008826A1 (de) * 2004-02-20 2005-09-08 Mahle Filtersysteme Gmbh Zentrifugal-Ölnebelabscheider in einem Verbrennungsmotor
DE102005013803A1 (de) * 2005-03-26 2006-09-28 Audi Ag Ausgleichswellenmodul
DE502006007644D1 (de) 2005-05-10 2010-09-23 Mahle Int Gmbh In eine axial hohle welle eines verbrennungsmotors integrierte zentrifugal-ölnebelabscheidereinrichtung
US8075655B2 (en) * 2008-06-17 2011-12-13 Cummins Filtration Ip, Inc. Rotative inertial impactor gas-oil separator for internal combustion engine
US9181869B2 (en) * 2010-01-08 2015-11-10 Husqvarna Ab Mechanical breather system for a four-stroke engine
JP6623769B2 (ja) * 2016-01-08 2019-12-25 スズキ株式会社 内燃機関のクランク室内圧低減機構
JP6879221B2 (ja) * 2018-01-12 2021-06-02 トヨタ自動車株式会社 内燃機関

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091379B (de) * 1956-02-07 1960-10-20 Lloyd Motoren Werke G M B H Schmierung fuer Brennkraftmaschinen
FR2094273A5 (fr) * 1970-06-16 1972-02-04 Westinghouse Freins & Signaux
JPS585044Y2 (ja) * 1979-04-16 1983-01-28 日産自動車株式会社 内燃機関のブロ−バイガス環元装置用オイルセパレ−タ
FR2456841A1 (fr) * 1979-05-17 1980-12-12 Chrysler France Dispositif d'equilibrage a trois arbres rotatifs pour moteur a combustion interne
JPS60209620A (ja) * 1984-04-03 1985-10-22 Fuji Heavy Ind Ltd 内燃機関のブロ−バイガス還元装置
JPS61175213A (ja) * 1985-01-30 1986-08-06 Honda Motor Co Ltd エンジンにおけるカムケ−スのブリ−ザ装置
US4922881A (en) * 1987-12-29 1990-05-08 Kawasaki Jukogyo Kabushiki Kaisha Breather device for an internal combustion engine
DE4117876C1 (en) * 1991-05-31 1992-08-13 Bayerische Motoren Werke Ag, 8000 Muenchen, De Hollow IC engine camshaft with equalising mass - has extra weight of fluidic material in cavity widening bounded by eccentric peripheral sectionc
US5261380A (en) * 1992-07-15 1993-11-16 Ford Motor Company Crankcase ventilation system for automotive engine
DE4237128A1 (de) * 1992-11-03 1994-01-27 Bayerische Motoren Werke Ag Kurbelgehäuseentlüftung mit einer Zentrifuge
JPH0868340A (ja) * 1994-05-19 1996-03-12 Yamaha Motor Co Ltd カムシャフト駆動装置を備えるｖ型エンジン
US5542402A (en) * 1995-04-05 1996-08-06 Ford Motor Company Positive crankcase ventilation system with a centrifugal oil separator
AT403508B (de) * 1995-12-22 1998-03-25 Bombardier Rotax Gmbh Kurbelwellenantrieb mit einem verbrennungsmotor
JPH11107736A (ja) * 1997-10-03 1999-04-20 Kioritz Corp ４サイクル内燃機関

Also Published As

Publication number Publication date
KR20000071109A (ko) 2000-11-25
DE19706383A1 (de) 1998-09-03
US6279553B1 (en) 2001-08-28
EP0964982A1 (fr) 1999-12-22
JP2000509783A (ja) 2000-08-02
WO1998037316A1 (fr) 1998-08-27
DE19706383C2 (de) 2000-05-18
DE59807873D1 (de) 2003-05-15

Similar Documents

Publication Publication Date Title
DE19803872C2 (de) Entlüfungsvorrichtung für ein Kurbelgehäuse einer Brennkraftmaschine
DE60028050T2 (de) Öltrennvorrichtung für kleine partikel
DE10044615A1 (de) Entlüftungsvorrichtung für ein Kurbelgehäuse
EP0964982B1 (fr) Dispositif d'aeration pour carter de moteur a combustion interne
DE4118557C2 (de) Kurbelgehäuseentlüftung für eine Brennkraftmaschine
DE69504709T2 (de) Eine entlüftungsanlage für eine brennkraftmaschine
EP1761687B1 (fr) Moteur a combustion interne a lubrification par circulation forcee selon le principe de la lubrification a carter sec
DE19824041A1 (de) Verbrennungsmotor
EP1310637B1 (fr) Moteur avec au moins deux bancs de cylindres
DE19947143C1 (de) Entlüftungsvorrichtung für ein Kurbelgehäuse einer Brennkraftmaschine
DE102015218201B4 (de) Gas-ölabscheider für einen verbrennungsmotor
EP0967381B1 (fr) Culasse pour moteur à combustion
EP0856644A1 (fr) Dispositif de ventilation de carter d'un moteur à combustion interne
EP1691043A2 (fr) Dispositif pour ventiler un carter de moteur en particulier d'un moteur en V
DE19720383C2 (de) Entlüftungs- und Entölungsvorrichtung für ein Kurbelgehäuse einer Brennkraftmaschine
DE102005034273A1 (de) Brennkraftmaschine
DE102016216826A1 (de) Flüssigkeitsnebelabscheideeinrichtung und Kurbelgehäuseentlüftungseinrichtung
DE102018207244B4 (de) Verbrennungsmotor mit einer Blowby-Gas-Behandlungseinrichtung in einer Kurbelgehäuseentlüftung des Verbrennungsmotors
EP0933508B1 (fr) Dispositif de nettoyage pour la séparation de particules dans un courant gazeux
EP0978639B1 (fr) Couvre culasse
EP0870907B1 (fr) Dispositif d'aération de carter
DE10257012B4 (de) Brennkraftmaschine
DE102012015594B4 (de) Zylinderkopf für eine Verbrennungskraftmaschine sowie Verbrennungskraftmaschine mit einem solchen Zylinderkopf
DE102015218011B4 (de) Gas-Ölabscheider für einen Verbrennungsmotor
DE102008021529B4 (de) Plattenartige Trägerstruktur zur Aufnahme einer Ölpumpe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990623

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

17Q First examination report despatched

Effective date: 20010307

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20030409

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20030409

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20030409

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20040112

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20050208

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050210

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060901

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20061031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060228