EP0872632B1 - Carter d'huile pour moteur à combustion interne - Google Patents

Carter d'huile pour moteur à combustion interne Download PDF

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Publication number
EP0872632B1
EP0872632B1 EP98106436A EP98106436A EP0872632B1 EP 0872632 B1 EP0872632 B1 EP 0872632B1 EP 98106436 A EP98106436 A EP 98106436A EP 98106436 A EP98106436 A EP 98106436A EP 0872632 B1 EP0872632 B1 EP 0872632B1
Authority
EP
European Patent Office
Prior art keywords
shell
oil sump
oil
ribs
sump according
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
EP98106436A
Other languages
German (de)
English (en)
Other versions
EP0872632A1 (fr
Inventor
Heiko Dr.-Ing. Schirrmacher
Roland Dipl.-Ing. Müller
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.)
KUNSTSTOFFTECHNIK RIESSELMANN GMBH & CO. KG
Original Assignee
Kunststofftechnik Riesselmann & Co KG 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 Kunststofftechnik Riesselmann & Co KG GmbH filed Critical Kunststofftechnik Riesselmann & Co KG GmbH
Publication of EP0872632A1 publication Critical patent/EP0872632A1/fr
Application granted granted Critical
Publication of EP0872632B1 publication Critical patent/EP0872632B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/008—Sound insulation
    • 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
    • F01M2011/0008—Oilsumps with means for reducing vibrations
    • 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
    • F01M2011/0091—Oilsumps characterised by used materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/02—Rubber

Definitions

  • the invention relates to an oil pan for internal combustion engines, which below the Crankshaft area of the engine is arranged.
  • oil sumps are mainly made from welded sheet steel or by metal casting.
  • Oil pans made from thermoset or rubber (DE 832 3945 U1) are also known.
  • the automotive industry has long attempted to keep the weight of the vehicles as low as possible.
  • One of the disadvantages of the oil sumps is that they make a significant contribution to noise emissions.
  • an oil pan is already known (DE 31 42 327 A1) which is double-walled and consists of an inner and outer shell, the inner shell being fastened to the crankcase and the outer shell on the upper part of the inner shell with the interposition of an elastic element is attached. This is designed as a ring profile and vulcanized between the two shells and its identification is tuned in terms of vibration to the overall system.
  • This is intended to decouple the outer shell from the vibration system of the inner shell.
  • the area between the inner and the outer shell serves for the targeted guidance of a coolant, as a result of spiraling, elastic ribs, which at the same time keep the two shells at a distance. Since the elastic element is vulcanized in, the two shells must be made of a metallic material. A major disadvantage of this oil pan is that it is complicated in its construction, requires a lot of production and has a relatively high weight.
  • the invention had for its object to provide an oil pan that is small Has weight, is inexpensive to manufacture, high load capacity and rigidity and has low noise emissions.
  • the two shells are preferably connected by welding, the joining process taking place in the area of the ribs.
  • the ribs can be molded onto both the outer shell and the inner shell.
  • the two shells are made of thermoplastic by injection molding as separate components and then joined together by gluing, welding or foaming. It is also possible to connect the two shells to one another using a suitable snap connection. From the point of view of tool technology, it is advisable to also form the ribs on the inner shell.
  • the production of the two shells using the injection molding process and the subsequent joining process by welding ensure a very efficient, cost-effective production of the oil pan. In comparison to oil pans made of metallic materials, a weight reduction of approx. 50% can also be achieved.
  • the outer shell can also be formed from several components that are connected to the inner shell.
  • the areas in which the oil drain plug and the sensor are arranged can be single-walled, since wall thickening or stiffening is already present in these areas due to the threaded connector.
  • the production of the shells or shell parts using the injection molding process also makes it possible to equip the shells with further functional elements, such as, for example, a cable duct or lockable pockets for accessories.
  • noise emissions are also considerably reduced.
  • the outer shell and the air chamber system located between the outer shell and the inner shell make a significant contribution to this.
  • the bottom outer shell also has a protective function against mechanical influences from the outside.
  • the oil pan shown in FIG. 1 is fastened to the flange of the crankcase (not shown in more detail) of the internal combustion engine by means of fastening screws which are guided through the openings 15, a seal 16 being arranged between the flange and the oil pan.
  • the oil pan consists of an inner shell 1 and an outer shell 2, which are produced as separate components from a thermoplastic material in an injection molding process.
  • the outer shell 2 is arranged only in the lower region of the oil pan, the inner shell 1 being set back a little in this region, such that the outer shell 2 fastened to the inner shell 1 is flush with the inner shell 1 at the transition points 3.
  • Ribs 4 are arranged between the inner shell 1 and the outer shell 2, which define the distance between the two shells.
  • the distance between the ribs 4 and the height of the ribs 4 is determined by the local state of tension of the oil pan.
  • the ribs 4 are molded onto the inner shell 1.
  • the connection between the inner shell 1 and the outer shell 2 takes place, in each case at the contact surface between the ribs 4 and the outer shell 2, by welding, such as, for example, heating element welding, ultrasonic welding or friction welding.
  • the welds formed are marked with position 5 In the inner shell 1, the required openings 6, 7 and 8 for the oil drain plug (opening 6), the sensor for checking the oil level (opening 7) and for the closure element for the oil filler neck (opening 8) (Fig.
  • a circumferential bead 14 is formed on the end of the oil filler neck 13 pointing outwards, which bead serves as an axial securing aid for the oil filler hose (FIG. 2).
  • a channel 9 for cable guides is provided, which is formed by the two projecting side walls 10, 11 and the cover 12 that can be fitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubricants (AREA)
  • Laminated Bodies (AREA)

Claims (9)

  1. Carter d'huile pour moteurs à combustion interne, comprenant une double paroi, se composant d'une coque interne (1) et d'une coque externe (2) en plastique thermoplastique, des nervures (4) étant prévues entre la coque interne (1) et la coque externe (2), caractérisé en ce que la coque externe (2) est disposée dans la partie inférieure du carter d'huile et les nervures (4) sont formées sur la coque interne (1) et/ou sur la coque externe (2), leur hauteur et leur écartement étant déterminés par les conditions de tension existant localement, et les coques interne (1) et externe (2) étant connectées l'une à l'autre par un procédé d'assemblage approprié.
  2. Carter d'huile selon la revendication 1, caractérisé en ce que la coque externe (2) est formée de plusieurs parties.
  3. Carter d'huile selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les parties (6, 7, 8) du carter d'huile, dans lesquelles le capteur, le bouchon de vidange d'huile et la tubulure de remplissage d'huile sont disposés, ne sont pas formées avec une double paroi.
  4. Carter d'huile selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la coque interne (1) et la coque externe (2) sont connectées l'une à l'autre par connexion soudée, collée ou par encliquetage au moins au niveau des faces frontales des nervures (4).
  5. Carter d'huile selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les coques interne (1) et externe (2) sont connectées par moussage avec un plastique.
  6. Carter d'huile selon l'une quelconque des revendications 1 à 5, caractérisé en ce que dans la partie du carter d'huile qui est formée avec une double paroi, la coque interne (1) est en retrait de telle sorte que la coque externe (2) se termine à niveau avec la coque interne (1) au point de transition (3) de la double paroi à la paroi unique.
  7. Carter d'huile selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'au niveau de la face extérieure de la coque interne (1) ou de la coque externe (2) sont disposées deux parois latérales (10, 11) saillantes, formant un canal (9), lequel peut être fermé par des éléments de recouvrement en forme de U (12).
  8. Carter d'huile selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'une ou plusieurs poches obturables sont formées sur celui-ci pour recevoir des accessoires.
  9. Carter d'huile selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la tubulure de remplissage d'huile (13) présente dans sa partie frontale au niveau de la paroi extérieure un bourrelet périphérique (14) servant d'auxiliaire de fixation axial pour un tuyau de remplissage d'huile.
EP98106436A 1997-04-16 1998-04-08 Carter d'huile pour moteur à combustion interne Expired - Lifetime EP0872632B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29706837U DE29706837U1 (de) 1997-04-16 1997-04-16 Ölwanne für Verbrennungsmotoren
DE29706837U 1997-04-16

Publications (2)

Publication Number Publication Date
EP0872632A1 EP0872632A1 (fr) 1998-10-21
EP0872632B1 true EP0872632B1 (fr) 2002-06-19

Family

ID=8039060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98106436A Expired - Lifetime EP0872632B1 (fr) 1997-04-16 1998-04-08 Carter d'huile pour moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP0872632B1 (fr)
AT (1) ATE219550T1 (fr)
DE (2) DE29706837U1 (fr)
ES (1) ES2178064T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739302B2 (en) 2001-04-04 2004-05-25 Dow Global Technologies, Inc. Adhesively bonded engine intake manifold assembly
US7481196B2 (en) 2005-06-09 2009-01-27 Mann & Hummel Gmbh Oil pan useful for an internal combustion engine
KR101239033B1 (ko) * 2011-06-27 2013-03-07 해양산업 주식회사 플라스틱 재질의 오일 팬
KR20190112487A (ko) * 2018-03-26 2019-10-07 현대자동차주식회사 자동차용 플라스틱 오일팬의 소음 차단 장치

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818590C2 (de) 1998-04-25 2000-03-23 Daimler Chrysler Ag Ölwanne
DE19938688A1 (de) * 1999-08-14 2001-02-15 Volkswagen Ag Verfahren zum Regeln einer Kühlung von Schmieröl einer Brennkraftmaschine
DE10124071A1 (de) * 2001-05-16 2002-12-05 Joma Polytec Kunststofftechnik Ölwanne, insbesondere für eine Brennkraftmaschine oder ein Getriebe
US20030024768A1 (en) * 2001-08-03 2003-02-06 Jones Bart R. Adhesively bonded oil pan assembly
DE102006002956B4 (de) * 2006-01-21 2017-12-28 Joma-Polytec Gmbh Ölwanne für eine Brennkraftmaschine
DE102007032649A1 (de) * 2007-07-13 2009-01-15 Man Nutzfahrzeuge Ag Wanne und Verfahren zu ihrer Herstellung
DE102008028442A1 (de) * 2008-06-17 2009-12-24 Rehau Ag + Co. Ölwanne für eine Verbrennungskraftmaschine sowie Vorrichtung zur Temperierung des Motorenöls einer Verbrennungskraftmaschine
DE102008048793A1 (de) 2008-09-24 2010-03-25 Mann + Hummel Gmbh Verfahren zur Herstellung einer Kunststoffölwanne mittels Heißgasschweißen
DE102016206841B3 (de) * 2016-04-22 2017-07-13 Audi Ag Antriebskomponente für ein Kraftfahrzeug sowie Kraftfahrzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223073A (en) * 1978-10-30 1980-09-16 Minnesota Mining And Manufacturing Company High-temperature damping composite
JPS5749006A (en) * 1980-09-08 1982-03-20 Toyota Motor Corp Oil pan for vehicle
DE3142327A1 (de) * 1981-10-24 1983-05-05 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart "oelwanne fuer eine brennkraftmaschine"
DE8323945U1 (de) * 1983-08-20 1983-12-08 Karl Joh Gummiwarenfabrik Gmbh, 6460 Gelnhausen Oelwanne von verbrennungskraftmaschinen, insbesondere von kraftfahrzeugen
DE3929592A1 (de) * 1989-09-06 1991-03-28 Man Nutzfahrzeuge Ag Schallgedaemmte blech-oelwanne fuer brennkraftmaschinen
AT403945B (de) * 1994-07-07 1998-06-25 Steyr Nutzfahrzeuge Teilgekapselte brennkraftmaschine
US5452693A (en) * 1994-12-09 1995-09-26 Cummins Engine Company, Inc. Oil pan noise enclosure and attachment system for same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739302B2 (en) 2001-04-04 2004-05-25 Dow Global Technologies, Inc. Adhesively bonded engine intake manifold assembly
US7481196B2 (en) 2005-06-09 2009-01-27 Mann & Hummel Gmbh Oil pan useful for an internal combustion engine
KR101239033B1 (ko) * 2011-06-27 2013-03-07 해양산업 주식회사 플라스틱 재질의 오일 팬
KR20190112487A (ko) * 2018-03-26 2019-10-07 현대자동차주식회사 자동차용 플라스틱 오일팬의 소음 차단 장치

Also Published As

Publication number Publication date
EP0872632A1 (fr) 1998-10-21
ES2178064T3 (es) 2002-12-16
ATE219550T1 (de) 2002-07-15
DE29706837U1 (de) 1997-07-24
DE59804482D1 (de) 2002-07-25

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