EP1559876A2 - Couvre culasse - Google Patents

Couvre culasse Download PDF

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Publication number
EP1559876A2
EP1559876A2 EP05100459A EP05100459A EP1559876A2 EP 1559876 A2 EP1559876 A2 EP 1559876A2 EP 05100459 A EP05100459 A EP 05100459A EP 05100459 A EP05100459 A EP 05100459A EP 1559876 A2 EP1559876 A2 EP 1559876A2
Authority
EP
European Patent Office
Prior art keywords
cylinder head
head cover
reservoir
upper shell
lower shell
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
EP05100459A
Other languages
German (de)
English (en)
Other versions
EP1559876A3 (fr
EP1559876B1 (fr
Inventor
Torsten Hilpert
Andreas Weber
Alexander Korn
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
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 Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP1559876A2 publication Critical patent/EP1559876A2/fr
Publication of EP1559876A3 publication Critical patent/EP1559876A3/fr
Application granted granted Critical
Publication of EP1559876B1 publication Critical patent/EP1559876B1/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
    • 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
    • F01M13/0416—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in valve-covers
    • 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
    • F01M2013/0427—Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone

Definitions

  • the invention relates to a cylinder head cover, in particular for covering the cylinder head an internal combustion engine, according to the preamble of claim 1.
  • Cylinder head covers have the task, the space of the cylinder head to the outside to complete the engine. Within the cylinder head are due to the operation the internal combustion engine, mainly blow-by gases from the combustion process and oil droplets from the lubrication circuit of the internal combustion engine available. These in the cylinder headspace existing gas and liquid quantities are usually passed over separation devices and the intake or the oil circuit again fed. Such separation devices for separating the oil components of the crankcase gas are usually in the immediate vicinity of the cylinder head cover or ideally incorporated integrated in the cylinder head cover.
  • the object of the invention is to avoid the above disadvantages and to provide a cylinder head cover on which functional elements, in particular Separating devices, preferably ⁇ labscheidevorraumen can be integrated.
  • This cylinder head cover should be easy to manufacture and economically producible be.
  • the cylinder head cover according to the invention is particularly suitable for covering a Cylinder head of an internal combustion engine and for the integration of ⁇ labscheidevorraumen in the cylinder head cover.
  • the cylinder head cover consists of a lower shell, on which on the underside enclosing sealing flange is arranged, over which the cylinder head cover with connected to the cylinder head.
  • the upwardly curved lower shell encloses the entire cylinder head dome-shaped.
  • functional contours attached which each form a segment for a functional element.
  • i-ge Functional elements are provided in particular ⁇ labscheidevorraumen.
  • the on The lower shell existing functional contours are in turn of a sealing contour enclosed.
  • a segment forms a functional contour for a cyclone separator, this segment represents a cup of a cyclone.
  • This mug is like that integrated into the lower shell, that a lower wall termination of the cup in the Cylinder head space towers and a top wall finish of the mug in the top the lower shell protrudes.
  • On the beaker wall is on a ge opened side a attached tangential recess.
  • the cup tapers on a lower side through a cone except for a small connecting hole, which has a connecting cross-section to the cylinder head space manufactures.
  • On the lower shell of the cylinder head cover is thus the cup of the cyclone integrated as a segment.
  • An upper shell of the cylinder head cover covers the functional contour of the lower shell and seals it with communicating From sealing contours.
  • the upper shell penetrates Immersion tube arranged, which in its position concentric with the cup is positioned.
  • the immersion tube protrudes in the assembled state into the conical area of the mug.
  • the immersion tube penetrates a wall of the upper shell and forms on the outside a suitable connection for connection to a volume flow.
  • This volume flow is usually through the existing at the intake pipe Reached differential pressure.
  • the loaded with oil vapor gases The space of the cylinder head is replaced by a tangential recess at the top sucked the cup and through the cup shape in a rotating, spiral-shaped Guided movement. From the mouth side of the dip tube they are through the upper shell sucked off and usually back to the intake of the engine fed. The oil particles present in the gas are caused by the rotation around the dip tube thrown to the wall of the cup and flow following the gravity through the connection hole in the cylinder head space.
  • the cyclone separator can also be combined with other fine or coarse separators, which are also integral in the cylinder head cover can be integrated, such. B. a labyrinth.
  • the cylinder head cover according to the invention allows, advantageously, the number reduce additional components. Items that are otherwise manufactured and assembled separately have already been integrated into the upper and lower shell and fulfill their Function after assembly.
  • the individual parts can also be clipped with the respective shell, glued or welded.
  • the shells are made in one piece.
  • functional elements such as springs, diaphragms, valves or closure elements, can already be mounted before the joining process of the shells become.
  • the integration of the functional segments also results in a constructive Free space through which the necessary space requirement can be reduced.
  • An advantageous embodiment of the invention results from the choice of material Plastic injection molding for both shell parts, wherein the division plane of the tools in the area of the cyclone can be laid, resulting in a non-undercut construction of the tool allows.
  • the additional tooling can with this Design can be minimized to one side slide, which on the upper shell the center tube and forms the cup shape of the cyclone on the lower shell.
  • this plastic material to achieve a desired weight advantage.
  • a further advantageous embodiment of the invention results from the use of Plastic material in that the two shells on corresponding sealing surfaces be welded together.
  • screwing or locking connection results from a welded connection the possibility of additional connecting parts to renounce and produce a permanently tight and reliable connection.
  • additional elements such as seals and fasteners can be added Welding process are dispensed with, which also gives a space advantage in the connection area results.
  • a further advantageous embodiment of the inventive concept results from the Injection of a reservoir in the lower shell, wherein the reservoir through the upper shell can be sealed and represents another functional part.
  • This Reservoir can z. B. perceive the function of a surge tank, which For example, for the function of a vacuum-controlled actuator is required.
  • the reservoir via a connection piece through a flow cross-section connected to a pipe system.
  • the advantage here is that the arranged Reservoir forms an additional function, which is independent of the function of the cylinder head cover can be used. Due to the spatial integration of the reservoir in the cylinder head cover can be used to the available space, and it an installation space is saved elsewhere.
  • Another, particularly advantageous embodiment of the invention results from the Arrangement of a reservoir, which through a connection hole with a cyclone unit communicated.
  • the bottom of this reservoir is arranged geodetically lower than the connection hole to the cyclone separator.
  • it is at a low point of the reservoir arranged a return valve, which the reservoir by the operating state of the Motor resulting negative pressure at the top closes.
  • this arrangement collects during the operating condition of the engine, the separated oil, which flows through the connection hole in the reservoir, in the reservoir and is turned off Drain the engine by opening the return valve into the cylinder head space.
  • By closing the reservoir in the operating state of the engine is a drain of the oil through the communication hole in the cyclone space excluded.
  • a pressure control valve in conjunction with the cyclone separator makes sense to direct the basic body of the pressure regulating valve Extension to the dip tube of the cyclone to arrange and the other functional elements the pressure control valve, such as springs, diaphragms, closing valve and Cover to mount separately to the pressure control valve.
  • the pressure control valve to connect with the dip tube is also made possible by a plug connection, in this embodiment, on the upper shell or on the body of the pressure regulating valve a sleeve must be present. The oil-laden combustion gases from the cylinder headspace are thus tangentially flowed through the cup of the cyclone, rotated and continue to spiral to the lower side of the dip tube, from which they are sucked.
  • Advantageous for a direct connection between the housing the pressure control valve and the upper shell is the further integration of functional elements into a single component, reducing the handling and logistics in the field of Manufacturing and assembly can be reduced. Furthermore, on attachment and connecting parts waived between pressure control valve and cylinder head cover.
  • the Direct cross-section extension which passes from the dip tube in the pressure control valve, reduces possible flow resistance, causing the dip tube relative makes it slender.
  • FIG. 1 shows the lower shell 11 of a cylinder head cover, on each of which a segment of different functional elements is formed.
  • Three juxtaposed Cup 16 form in the assembled state with a not shown Upper shell the functional element of the cyclone separator. The outside of the cup 16 has free connection to the cylinder head space 22. In the assembled state, the end faces the cup 16 closed by the upper shell 12 ( Figure 2), so that the crankcase gases can only be flowed over the tangential recesses 17.
  • the cups 16 constrict in a conical region to a partition wall 19b a directly adjacent reservoir 19 and communicate by a shown in Figure 2 Connecting hole 18 with the reservoir 19.
  • the functional element of the cyclone is in the assembled state by the sealing contour 14, which with the sealing contour of not shown upper shell communicates, sealed, causing the function of the cyclone is ensured.
  • the rotates Sealing contour 14 all individual functional elements.
  • the three adjacent cups 16 are connected by a Connecting web 24 connected to the lower shell, but it is also possible that To arrange cup 16 directly adjacent to a wall of the lower shell 11.
  • the upper Side of the cup 16, to which the tangential recesses 17 are located and the top of the connecting web 24 thus form the upper parting plane of the Tool.
  • a pressure vessel 28 As a further functional element is formed in the assembled state, a pressure vessel 28, wherein the function of the pressure vessel 28 after assembly of the upper shell 12 ( Figure 2) is guaranteed.
  • the pressure vessel 28 is to the bottom or to the cylinder head space 22 sealed by a molded bottom plate 26 sealing.
  • Another one Segment of the functional element ⁇ leinyogllstutzen 27 is formed in the assembled state with the upper shell 12 ( Figure 2). This segment is also in the assembled state sealed by the sealing contour 14 sealing.
  • the shield plate 25 serves only as a splash guard for the oil in the cylinder head. A drainage of the oil must be ensured at the edges of the shield plate 25.
  • the angle of inclination of the cup 16 must be so be selected that with respect to the reservoir 19 in the conical region a low sloping slope exists.
  • the reservoir 19 Immediately adjacent to the cup 16 is the reservoir 19, which through a connection hole 18 through the partition 19 b with the cup 16 communicates.
  • the reservoir 19 is at the ends of its side walls also sealed by the circumferential sealing contour 14 sealing.
  • a return hole 20 is arranged, which in the operating state the internal combustion engine is closed by a return valve 21 and itself at the still state of the internal combustion engine opens.
  • the forming functional unit The cyclone separator can be used individually or in parallel with several cyclone separators be arranged.
  • a reservoir 19 is not mandatory, since a drainage of the separated liquid also through the communication hole 18th directly into the cylinder head space 22 is conceivable.
  • the crankcase gases are through a suction nozzle 13 a, which with the intake the internal combustion engine is connected, sucked.
  • the flow Crankcase gases from the cylinder head space 22 through the tangential recess 17th in the cup 16 and are thereby guided in rotation around the dip tube 15, whereby the oil particles deposit on the walls of the cup 16 and the gravity and Following the flow direction to flow through the connection hole 18 into the reservoir 19 can.
  • the pre-cleaned gases are through the pressure control valve 13 via the Suction 13a again led to the intake.
  • the separated liquid collects in the reservoir 19, wherein the return valve 21, the return 20 in the operating state closes and at part load or at idle or stop the engine, the return valve the reservoir opens again.
  • the return valve 21 When the return valve 21 is open, the separated flows Oil in the cylinder head space 22 from and thus into the oil circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
EP05100459A 2004-01-30 2005-01-25 Couvre culasse Expired - Lifetime EP1559876B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004004753A DE102004004753A1 (de) 2004-01-30 2004-01-30 Zylinderkopfhaube
DE102004004753 2004-01-30

Publications (3)

Publication Number Publication Date
EP1559876A2 true EP1559876A2 (fr) 2005-08-03
EP1559876A3 EP1559876A3 (fr) 2009-12-02
EP1559876B1 EP1559876B1 (fr) 2011-05-18

Family

ID=34638811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05100459A Expired - Lifetime EP1559876B1 (fr) 2004-01-30 2005-01-25 Couvre culasse

Country Status (5)

Country Link
US (1) US7137372B2 (fr)
EP (1) EP1559876B1 (fr)
JP (1) JP4624119B2 (fr)
AT (1) ATE510112T1 (fr)
DE (1) DE102004004753A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005013112U1 (de) * 2005-08-17 2006-12-28 Hengst Gmbh & Co.Kg Ölabscheider zur Abscheidung von Öl aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine
US7740677B2 (en) 2005-12-28 2010-06-22 Elringklinger Ag Oil separator
EP2226477A1 (fr) * 2009-03-05 2010-09-08 Schaeffler Technologies AG & Co. KG Unité hydraulique pour culasse de moteur à combustion interne dotée d'une commande hydraulique variable de soupape
EP1961928A3 (fr) * 2007-02-23 2010-11-10 Dr. Ing. h.c. F. Porsche AG Préséparateur d'huile pour gaz de carter de vilebrequin
DE102011106593A1 (de) 2010-07-06 2012-01-12 Dichtungstechnik G. Bruss Gmbh & Co. Kg Gehäuse für einen Verbrennungsmotor mit daran befestigbarem PCV-Ventil zur Kurbelgehäuseentlüftung, und Verfahren zum Befestigen eines PCV-Ventils an einem Gehäuse
WO2013186337A1 (fr) * 2012-06-16 2013-12-19 Reinz-Dichtungs-Gmbh Ensemble chapeau
EP2818653A1 (fr) * 2013-06-25 2014-12-31 Dichtungstechnik G. Bruss GmbH & Co. KG Clapet anti-retour pour retour huile dans le système de blowby du carter d'un moteur à combustion interne
DE102017201896A1 (de) 2017-02-07 2018-08-09 Mahle International Gmbh Verfahren zum Entlüften eines Kurbelgehäuses einer Brennkraftmaschine und zugehörige Einrichtung
US10247068B2 (en) 2013-06-25 2019-04-02 BRUSS Sealing Systems GmbH Oil separating module in the crankcase ventilation system of a combustion engine

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DE102005006438A1 (de) * 2005-02-12 2006-08-17 Dr.Ing.H.C. F. Porsche Ag Einrichtung zur Entlüftung eines Kurbelgehäuses einer Brennkraftmaschine sowie Brennkraftmaschine mit insbesondere V-förmiger Anordnung der Zylinder
DE202005010449U1 (de) * 2005-06-30 2006-11-09 Mann + Hummel Gmbh Zylinderkopfhaube für einen Zylinderkopf einer Brennkraftmaschine
JP4506656B2 (ja) * 2005-11-25 2010-07-21 トヨタ紡織株式会社 オイルミストセパレータ及びシリンダヘッドカバー
JP4534977B2 (ja) * 2005-12-09 2010-09-01 トヨタ紡織株式会社 シリンダヘッドカバー
DE102005061477B4 (de) * 2005-12-22 2010-04-08 Audi Ag Vorrichtung zur Ölabscheidung
DE102006019880A1 (de) * 2006-04-28 2007-10-31 Audi Ag Motorgehäusedeckel eines Verbrennungsmotors mit Entlüftungssystem
DE102007058059B4 (de) * 2007-01-26 2015-06-11 Dichtungstechnik G. Bruss Gmbh & Co. Kg Ölabscheideranordnung sowie Zylinderkopfhaube für einen Verbrennungsmotor
DE202007011585U1 (de) 2007-08-17 2007-10-18 Dichtungstechnik G. Bruss Gmbh & Co. Kg Ölrücklaufventil für Kurbelgehäuseentlüftung
JP4510108B2 (ja) * 2008-03-13 2010-07-21 小島プレス工業株式会社 ブローバイガス用オイルセパレータ
DE102011079166A1 (de) 2011-07-14 2013-01-17 Mahle International Gmbh Brennkraftmaschine
US9080478B2 (en) 2013-01-21 2015-07-14 Ford Global Technologies, Llc Oil separator
DE102014109075A1 (de) * 2014-06-27 2015-12-31 Elringklinger Ag Zylinderkopfhaube und Verfahren zur Herstellung einer Zylinderkopfhaube
JP6812396B2 (ja) * 2018-04-17 2021-01-13 トヨタ紡織株式会社 Ｐｃｖバルブの取付構造
JP7439710B2 (ja) * 2020-09-17 2024-02-28 トヨタ紡織株式会社 オイルミストセパレータ

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DE10127819A1 (de) 2001-06-07 2003-01-02 Bosch Gmbh Robert Ölabscheidevorrichtung für Kurbelgehäusegase einer Verbrennungskraftmaschine

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005013112U1 (de) * 2005-08-17 2006-12-28 Hengst Gmbh & Co.Kg Ölabscheider zur Abscheidung von Öl aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine
US7740677B2 (en) 2005-12-28 2010-06-22 Elringklinger Ag Oil separator
DE102005063274B4 (de) * 2005-12-28 2011-03-24 Elringklinger Ag Ölabscheider
DE102005063274B9 (de) * 2005-12-28 2013-05-08 Elringklinger Ag Ölabscheider
EP1961928A3 (fr) * 2007-02-23 2010-11-10 Dr. Ing. h.c. F. Porsche AG Préséparateur d'huile pour gaz de carter de vilebrequin
EP2226477A1 (fr) * 2009-03-05 2010-09-08 Schaeffler Technologies AG & Co. KG Unité hydraulique pour culasse de moteur à combustion interne dotée d'une commande hydraulique variable de soupape
US8215271B2 (en) 2009-03-05 2012-07-10 Schaeffler Technologies AG & Co. KG Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable gas-exchange valve train
DE102011106593B4 (de) 2010-07-06 2022-01-13 BRUSS Sealing Systems GmbH Gehäuse für einen Verbrennungsmotor und ein an dem Gehäuse befestigtes PCV-Ventil zur Kurbelgehäuseentlüftung, und Verfahren zum Befestigen eines PCV-Ventils an einem Gehäuse
DE102011106593A1 (de) 2010-07-06 2012-01-12 Dichtungstechnik G. Bruss Gmbh & Co. Kg Gehäuse für einen Verbrennungsmotor mit daran befestigbarem PCV-Ventil zur Kurbelgehäuseentlüftung, und Verfahren zum Befestigen eines PCV-Ventils an einem Gehäuse
WO2013186337A1 (fr) * 2012-06-16 2013-12-19 Reinz-Dichtungs-Gmbh Ensemble chapeau
CN104364479A (zh) * 2012-06-16 2015-02-18 莱茵兹-迪兹通斯-有限公司 盖子总成
US9797308B2 (en) 2012-06-16 2017-10-24 Reinz-Dichtungs-Gmbh Cover assembly
US9416695B2 (en) 2013-06-25 2016-08-16 BRUSS Sealing Systems GmbH Non-return valve for an oil return in the crankcase ventilation system of a combustion engine
US10247068B2 (en) 2013-06-25 2019-04-02 BRUSS Sealing Systems GmbH Oil separating module in the crankcase ventilation system of a combustion engine
EP2818653A1 (fr) * 2013-06-25 2014-12-31 Dichtungstechnik G. Bruss GmbH & Co. KG Clapet anti-retour pour retour huile dans le système de blowby du carter d'un moteur à combustion interne
DE102017201896A1 (de) 2017-02-07 2018-08-09 Mahle International Gmbh Verfahren zum Entlüften eines Kurbelgehäuses einer Brennkraftmaschine und zugehörige Einrichtung
DE102017201896B4 (de) 2017-02-07 2022-10-20 Mahle International Gmbh Verfahren zum Entlüften eines Kurbelgehäuses einer Brennkraftmaschine und zugehörige Einrichtung

Also Published As

Publication number Publication date
US20050188937A1 (en) 2005-09-01
JP4624119B2 (ja) 2011-02-02
JP2005233182A (ja) 2005-09-02
ATE510112T1 (de) 2011-06-15
DE102004004753A1 (de) 2005-08-18
EP1559876A3 (fr) 2009-12-02
EP1559876B1 (fr) 2011-05-18
US7137372B2 (en) 2006-11-21

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