EP0416297A1 - Carter d'huile en tôle d'insonorisation pour moteur à combustion interne - Google Patents

Carter d'huile en tôle d'insonorisation pour moteur à combustion interne Download PDF

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Publication number
EP0416297A1
EP0416297A1 EP90115073A EP90115073A EP0416297A1 EP 0416297 A1 EP0416297 A1 EP 0416297A1 EP 90115073 A EP90115073 A EP 90115073A EP 90115073 A EP90115073 A EP 90115073A EP 0416297 A1 EP0416297 A1 EP 0416297A1
Authority
EP
European Patent Office
Prior art keywords
oil pan
overpan
sound
elastomeric element
oil
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
EP90115073A
Other languages
German (de)
English (en)
Other versions
EP0416297B1 (fr
Inventor
Heribert Dipl.-Ing. Kubis
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge 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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Priority to AT90115073T priority Critical patent/ATE81187T1/de
Publication of EP0416297A1 publication Critical patent/EP0416297A1/fr
Application granted granted Critical
Publication of EP0416297B1 publication Critical patent/EP0416297B1/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
    • 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
    • F01M2011/0054—Fastening to the cylinder block
    • 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
    • F01M2011/0062—Gaskets

Definitions

  • the invention relates to a soundproof sheet oil pan for internal combustion engines according to the generic term.
  • a source of sound emission is a mostly insufficiently soundproofed oil pan.
  • To improve the structure-borne sound insulation it is known to design the oil pan in two or more layers, or to reduce the sound emission of this oil pan by using plastic as the material for the oil pan. In order to prevent sound bridges between the crankcase and the oil pan, it is known to insert elastomers between the two parts.
  • the invention has for its object to reduce the structure-borne noise from oil pans significantly and with reasonable effort.
  • the structure-borne noise is noticeably reduced by the over-tub with reasonable effort.
  • Motors with oil sumps with reduced structure-borne noise insulation can be retrofitted in a relatively simple and inexpensive manner.
  • the overpan can be designed in two or more layers in sheet steel.
  • the overpan can be constructed in multi-layer steel sheet or also in one layer in plastic.
  • Multi-layer steel sheet provides high noise insulation and is also inexpensive.
  • the plastic version provides good sound insulation through internal damping of the material even in one layer.
  • Figure 1 shows an oil pan 1, which closes a crankcase 2 at the bottom.
  • the oil pan 1 is fastened to a circumferential flange 4 of the crankcase 2 by means of screws 3.
  • a seal 1a (not shown in detail) (FIG. 2) between the oil pan 1 and crankcase 2 over the entire circumference with the same Surface pressure is pressed against the flange 4 to guarantee oil tightness.
  • the oil pan 1 is approximately equidistantly surrounded by an overpan 7, which can be made either in plastic or in sheet steel in deep-drawing quality. Dag sheet steel can be designed in one or two or more layers depending on the requirements for sound insulation.
  • the overpan 7 is connected at all points of contact with the oil pan 1 or the crankcase 2 by structure-borne noise decoupled by elastomeric elements.
  • an L-shaped profile 8 is provided on the upper edge of the overpan 7, in which an upwardly open first elastomeric element 9 is inserted.
  • the overpan 7 is compared to a flywheel housing 10 as one Part of the crankcase 2 sealed against sound leakage via a second elastomeric element 11.
  • the second elastomeric element 11 is open on one side and is pushed over the edge of the overpan 7 and pressed against the flywheel housing 10.
  • the oil pan 1 has a drain plug 12 at its lowest point.
  • the drain plug 12 or its threaded part 13 is sealed against the over-tub 7 by means of a third elastomeric element 14 against sound leakage.
  • FIG. 2 shows a cross section II-II through the oil pan 1.
  • the oil pan 1 is pressed against the flange 4 of the crankcase 2 by means of the screws 3 with the interposition of a seal 1a.
  • the oil pan 1 is surrounded equidistantly by the overpan 7.
  • the flange of the oil pan 1 is flanged on the outside.
  • a leg 1b engages from above into the first elastomeric element 9, which is open at the top.
  • Other elements of the oil pan 1, such as the drain plug 12, a nozzle 15 for the oil filler and sheet metal caps 16, which serve as a support for the engine, are sealed at the points of contact by further elastomeric elements to the upper pan 7 against sound leakage. Details of the design of these elastomeric connecting elements are shown in the following figures.
  • FIG. 3 A connection of the oil pan 1 and the overpan 7 made of plastic is shown in FIG. 3.
  • the overpan 7 has retaining lugs 17, the oil pan 1 has, under the screws 3 used for fastening the overpan 7, specially shaped underlays 18, and both parts are non-positively connected by spring wire clips 19.
  • a seal against airborne noise and a decoupling from structure-borne noise is achieved by the first elastomeric element 9.
  • FIG 4 the sound seal of the opening for the drain plug 12 is shown in detail.
  • the drain plug 12 is screwed into a threaded part 13, which is oil-tight in the Oil pan 1 is inserted.
  • the threaded part 13 is connected to the overpan 7 by the third elastomeric element 14, which is sealed against the threaded part 13 by an annular sealing lip 20 to prevent airborne noise from escaping.
  • the sealing against the overpan 7 takes place by means of an annular groove 21, which sealingly encompasses a bore in the overpan 7.
  • Figure 5 shows in detail the sound seal of the sheet metal cap 16, which is connected to the oil pan 1 by spot welding or the like.
  • a fourth elastomeric element 22 is provided for sealing, which is almost identical in construction to the third elastomeric element 14, which is why it will not be explained in more detail.
  • FIG 6 the sound seal of the nozzle 15 is shown, which is used for oil filling.
  • the nozzle 15 is sealed at its upper end with a fifth elastomeric element 23 against the overpan 7.
  • This elastomeric element 23 is similar to the elastomeric elements 14 and 22.
  • the connector 15 is screwed into the oil pan 1 in the soldered-in threaded insert 24 in an oil-tight manner.
  • the connection piece for the oil measuring tube in the oil pan and its soundproofing are also fixed analogously to the overpan 7.
  • FIG. 8 A detail of the profile bridge 6 according to a section VII-VII from FIG. 8 is shown in FIG. Since the upper edge of the oil pan 1 cannot be flanged in a U-shape in the area of the vibration damper 5, so that the leg 1b is omitted here, the profile bridge 6 is provided for evenly pressing the seal 1a (FIG. 2), which has the necessary bending rigidity to evenly distribute the contact pressure of the screws 3 as a line load over the face of the oil pan gasket.
  • the seal 1a FIG. 2
  • a U-shaped profile 25 is provided on the top thereof in order to receive the first elastomeric element 9.
  • the profile bridge 6 has a nose 26 into which the first elastomeric element 9, which is open at the top, is inserted.
  • FIG. 7 The area shown in section in FIG. 7 is shown in plan view in FIG.
  • FIG. 9 shows in detail the sound seal of the overpan 7 with respect to the flywheel housing 10.
  • the overpan 7 is open in the direction of the flywheel housing 10 and ends here in a web 7a. This is sealed against the flywheel housing 10 by the second elastomeric element 11.
  • this second elastomeric element 11 is angled in the region of the oil pan flange and ends on the right and left side in the mirror-image-shaped two legs 29 which face the web sections 30 facing the oil pan flange of the crankcase 2 on the right and left sides the tub 7 are attached.
  • the two legs 29 each have an extension resting on a support surface 31 (FIG.
  • FIG. 11 shows the connection between the overpan 7 and the oil pan 1. Since the overpan 7 is made of sheet steel in the example shown, it is essential to provide acoustic decoupling.
  • the connection is made by spring wire clips 19. These spring wire clips 19 are connected to at least one contact point (here with the oil pan 1) with the interposition of a sixth elastomeric element 32. The other end can be connected directly to a nose 33 which is connected to the overpan 7. Alternatively, the element 32 can also rest on a special screw support 18 according to FIG. 3.
  • Figure 12 shows the same detail as shown in Figure 10, but related to a version in sheet steel.

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)
  • Laminated Bodies (AREA)
  • Lubricants (AREA)
EP90115073A 1989-09-06 1990-08-06 Carter d'huile en tôle d'insonorisation pour moteur à combustion interne Expired - Lifetime EP0416297B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90115073T ATE81187T1 (de) 1989-09-06 1990-08-06 Schallgedaemmte blech-oelwanne fuer brennkraftmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929592 1989-09-06
DE3929592A DE3929592A1 (de) 1989-09-06 1989-09-06 Schallgedaemmte blech-oelwanne fuer brennkraftmaschinen

Publications (2)

Publication Number Publication Date
EP0416297A1 true EP0416297A1 (fr) 1991-03-13
EP0416297B1 EP0416297B1 (fr) 1992-09-30

Family

ID=6388739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90115073A Expired - Lifetime EP0416297B1 (fr) 1989-09-06 1990-08-06 Carter d'huile en tôle d'insonorisation pour moteur à combustion interne

Country Status (5)

Country Link
EP (1) EP0416297B1 (fr)
JP (1) JPH03100358A (fr)
AT (1) ATE81187T1 (fr)
DD (1) DD297683A5 (fr)
DE (2) DE3929592A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691462A1 (fr) * 1994-07-07 1996-01-10 Steyr Nutzfahrzeuge Ag Moteur à combustion interne avec un enveloppe partielle
EP0872632A1 (fr) * 1997-04-16 1998-10-21 Kunststofftechnik F.u.H. Riesselmann GmbH Carter d'huile pour moteur à combustion interne
CN115341995A (zh) * 2022-08-31 2022-11-15 东风商用车有限公司 一种发动机飞轮壳隔音罩及其制备方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402537B (de) * 1993-12-14 1997-06-25 Steyr Nutzfahrzeuge Überwanne um die ölwanne einer brennkraftmaschine
DE19937598A1 (de) * 1999-08-09 2001-02-15 Himmermann Fritz Gmbh Co Kg Adapter für Öl-Einfüllstutzen
DE10124071A1 (de) * 2001-05-16 2002-12-05 Joma Polytec Kunststofftechnik Ölwanne, insbesondere für eine Brennkraftmaschine oder ein Getriebe
US7387190B2 (en) 2003-12-17 2008-06-17 General Motors Corporation Oil pan assembly and method of selecting an oil pan
DE102007032649A1 (de) 2007-07-13 2009-01-15 Man Nutzfahrzeuge Ag Wanne und Verfahren zu ihrer Herstellung
DE102007044494B4 (de) * 2007-09-18 2012-10-25 Ab Skf Vorrichtung umfassend ein Funktionselement einer Brennkraftmaschine und einen Träger
US7631630B2 (en) * 2008-01-07 2009-12-15 Federal-Mogul World Wide, Inc. Vehicle engine and snap-on engine cover assembly therefor and method of assembly of the cover assembly to the engine
JP4938807B2 (ja) * 2009-01-23 2012-05-23 株式会社クボタ エンジンの製造方法
DE102009006635A1 (de) 2009-01-29 2010-08-05 Daimler Ag Behälterwand für ein Kraftfahrzeug
JP2020101101A (ja) * 2018-12-20 2020-07-02 マツダ株式会社 エンジンのカバー構造

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2155474A5 (fr) * 1971-09-29 1973-05-18 List Hans
FR2388992A1 (fr) * 1977-04-28 1978-11-24 List Hans Dispositif pour mesurer le niveau d'huile dans les moteurs a combustion interne blindes pour supprimer le bruit
DE3427529A1 (de) * 1984-07-26 1986-02-06 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Koerperschallentkoppelte befestigung einer oelwanne an einem kurbelgehaeuse
DE8420386U1 (de) * 1984-07-07 1987-01-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Schallisolierte Ölwanne für einen Lkw-Verbrennungsmotor
US4669432A (en) * 1986-05-16 1987-06-02 Kabushiki Kaisha Komatsu Seisakusho Sealing device for an oil pan adapter in an internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106263A (en) * 1961-07-11 1963-10-08 Gen Motors Corp Engine with side reservoir oil pan
AT301957B (de) * 1969-09-17 1972-09-25 List Hans Brennkraftmaschine mit schallisolierender Verschalung
DE3024630C2 (de) * 1980-06-30 1984-06-14 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Gehäuseteil an Verbrennungskraftmaschinen wie Ölwanne o.dgl.
DE3425074A1 (de) * 1984-07-07 1986-01-16 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Schallisolierte oelwanne fuer einen lkw-verbrennungsmotor
US4667628A (en) * 1986-03-06 1987-05-26 General Motors Corporation Oil pan isolation mounting and seal
EP0252178B2 (fr) * 1986-07-10 1993-06-09 MAN Nutzfahrzeuge Aktiengesellschaft Enveloppe pour moteur de propulsion dans les automobiles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2155474A5 (fr) * 1971-09-29 1973-05-18 List Hans
FR2388992A1 (fr) * 1977-04-28 1978-11-24 List Hans Dispositif pour mesurer le niveau d'huile dans les moteurs a combustion interne blindes pour supprimer le bruit
DE8420386U1 (de) * 1984-07-07 1987-01-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Schallisolierte Ölwanne für einen Lkw-Verbrennungsmotor
DE3427529A1 (de) * 1984-07-26 1986-02-06 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Koerperschallentkoppelte befestigung einer oelwanne an einem kurbelgehaeuse
US4669432A (en) * 1986-05-16 1987-06-02 Kabushiki Kaisha Komatsu Seisakusho Sealing device for an oil pan adapter in an internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691462A1 (fr) * 1994-07-07 1996-01-10 Steyr Nutzfahrzeuge Ag Moteur à combustion interne avec un enveloppe partielle
EP0872632A1 (fr) * 1997-04-16 1998-10-21 Kunststofftechnik F.u.H. Riesselmann GmbH Carter d'huile pour moteur à combustion interne
CN115341995A (zh) * 2022-08-31 2022-11-15 东风商用车有限公司 一种发动机飞轮壳隔音罩及其制备方法

Also Published As

Publication number Publication date
ATE81187T1 (de) 1992-10-15
EP0416297B1 (fr) 1992-09-30
DE3929592A1 (de) 1991-03-28
DE3929592C2 (fr) 1992-05-27
DD297683A5 (de) 1992-01-16
JPH03100358A (ja) 1991-04-25
DE59000332D1 (de) 1992-11-05

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