EP0903474A1 - Dispositif pour encapsuler un arbre intermédiaire d'un moteur à combustion interne - Google Patents

Dispositif pour encapsuler un arbre intermédiaire d'un moteur à combustion interne Download PDF

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Publication number
EP0903474A1
EP0903474A1 EP98117181A EP98117181A EP0903474A1 EP 0903474 A1 EP0903474 A1 EP 0903474A1 EP 98117181 A EP98117181 A EP 98117181A EP 98117181 A EP98117181 A EP 98117181A EP 0903474 A1 EP0903474 A1 EP 0903474A1
Authority
EP
European Patent Office
Prior art keywords
oil
arrangement according
capsule device
crankcase
web
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
EP98117181A
Other languages
German (de)
English (en)
Other versions
EP0903474B1 (fr
Inventor
Volker Cornelius
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP0903474A1 publication Critical patent/EP0903474A1/fr
Application granted granted Critical
Publication of EP0903474B1 publication Critical patent/EP0903474B1/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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0253—Pressure lubrication using lubricating pumps characterised by the pump driving means
    • F01M2001/0276—Pressure lubrication using lubricating pumps characterised by the pump driving means driven by a balancer shaft
    • 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
    • F01M2011/0029—Oilsumps with oil filters

Definitions

  • the invention relates to an arrangement for encapsulating a secondary shaft of a reciprocating piston internal combustion engine with a crankcase and one arranged on the crankcase Oil pan according to the preamble of claim 1 and an internal combustion engine according to the Preamble of claim 16.
  • the present invention is therefore based on the object of an improved arrangement and to provide an internal combustion engine of the above type, the above mentioned disadvantages are overcome.
  • a trough-shaped capsule device with an open side, a tub floor and one that runs around the open side Trough edge is provided, which with the open side towards the crankcase and enclosing the auxiliary shaft and encapsulating it against the oil pan, arranged in the oil pan is.
  • Fixing means are expediently on the capsule device on the crankcase side formed, for example, as mounting holes or as at least one clip closure and are particularly preferably formed around the tub rim.
  • the capsule device has in the tub floor an oil intake opening, which is arranged such that when the capsule device is mounted An intake port of an oil pump with this oil intake opening on the crankcase side connected is.
  • the oil suction opening is advantageously provided with a sieve.
  • the diagonal arrangement of the sieve provides a particularly large filter area.
  • an uninterrupted oil supply to the oil pump is achieved in that the oil intake opening oil pan side has a snorkel, which in an oil sump in the Oil pan protrudes and preferably a snorkel connection on the oil pan side at the oil intake opening is arranged.
  • a contour of the Trough edge of the capsule device essentially follows this web, so that the Capsule device can be flanged to this web, can advantageously a large part of the lubricating oil circulating in the crankcase is directed past the capsule device and only a smaller, predetermined part of the lubricating oil penetrates the crankcase side to lubricate the auxiliary shaft in the capsule device.
  • the support structure on the oil pan side one of an outer edge of the support structure spaced, circumferential web, with a contour of the tub edge Capsule device essentially follows this web, so that the capsule device is on this web can be flanged, can advantageously a large part of the in the crankcase circulating lubricating oil are directed past the capsule device and only one smaller, predetermined part of the lubricating oil penetrates into the secondary shaft to lubricate it Capsule device.
  • the capsule device in the trough bottom at least one oil drain opening advantageously has a defined oil-conducting connection between the oil pan and an interior of the capsule device created, whereby the interior the capsule device is connected to an oil circulation in the crankcase
  • the capsule device is advantageous integrally formed as an injection molded part.
  • the reciprocating piston internal combustion engine has a crankcase, not shown, with one therein rotating crankshaft 1. Lateral walls of the crankcase are over the crankshaft center 2 in the direction of an oil pan, not shown, into one Flange level E guided. At this flange level E includes in the direction of the oil pan connected to the walls of the crankcase, labeled 3 in total Component, which is referred to below as support structure 3. This is essentially plate-shaped and extends in the longitudinal direction L and transverse direction Q of Crankcase and separates through its connection to the opening area of the crankcase surrounding flange opposite the crank drive designated overall with 4 the oil pan essentially.
  • the surface of the support structure 3 facing the crank mechanism 4 is at least in the region of Crank cheeks 6 of the crank mechanism 4 in accordance with the rotation there Conrod violin structure formed.
  • the Support structure 3 On its surface 7 facing away from the crank mechanism 4 and facing the oil pan, the Support structure 3 formed in one piece and of the same material, each an undivided bearing 8 and 9 bearing blocks 10 and 11.
  • the support structure 3 is essentially rectangular, with 12 on the long sides and 13 mounting eyes 14 are arranged for performing screw connections.
  • the long side 12 is essentially covered in the illustration in FIG. 1. With the Screw connections, the support structure 3 is fixed in the flange plane E on the crankcase.
  • auxiliary shaft In the assembled state of the support structure 3 according to Figures 2, 3 and 4 is in the bearings 8 and 9 rotatably held a total of 20 designated auxiliary shaft.
  • This is integral and provided in one piece with a leveling compound 21 and initially from the end face 16 inserted through the bearing 9 and then through the bearing 8.
  • stepped pin 22 of the auxiliary shaft 20th On one plugged in Condition of the bearing 8 penetrating, stepped pin 22 of the auxiliary shaft 20th is a drive wheel 23 designed as a chain wheel and then a further balancing mass 24 put on.
  • This arrangement ensures together with one at the On the inside of the end wall 17 adjoining collar 26 of the secondary shaft 20 has an axial bearing, while the bearing 9 is designed as a floating bearing.
  • the floating mounting of the balancing mass 21 ensures that the space is optimally approached this balancing mass 21 to the support structure 3.
  • This has a section 7a appropriately shaped contour surfaces 27 to create a free passage.
  • Crossing stiffening ribs 30 are between the two bearing blocks 10 and 11 arranged, which intersect at intersection points 31.
  • the support structure 3 has a channel system for lubricating oil. From the flange level E starting in the area of the bearing block 11 extends essentially transverse inflow channel 45, which extends to the bearing 9 there. In one shaft 46 protruding from surface 7 extends parallel to the auxiliary shaft 20 a supply channel 47 which intersects the inflow channel 45 and which feeds in the Lubricating oil to the bearing 8 promotes. The shaft 46 receiving the supply channel 47 runs along a series of crossing points 31.
  • the surface 7 continues to bear a web 32 which is a capsule device according to the invention described below Drive shaft 20 adjacent.
  • This web 32 extends from the end wall 17 spaced and parallel to the long side 13 along the end face 16 and again after internally offset essentially parallel to the other long side 12.
  • In the area of this Longitudinal sides 12 and 13 are between these 32 web-like openings 33 for the web the passage of lubricating oil of the crank mechanism 4 arranged in the oil pan.
  • FIG. 5 to 9 show the aforementioned capsule device 49 according to the invention in one preferred embodiment.
  • This comprises a trough-like housing 50, which in a circumferential contour and in a peripheral tub rim which is only partially visible in FIG. 5 64 the contour of the web 32 of FIG. 4 is adapted such that it is on the web 32 can be flanged and the auxiliary shaft 20 encapsulates against an oil pan.
  • the capsule device 49 further includes, in the preferred embodiment shown, mounting eyes 52, Clip connector 54, a snorkel flange with cover 56, a snorkel 58 and one Oil intake opening 60.
  • FIG. 6 shows in detail the area of the oil suction opening 60 which, in addition to the snorkel flange with cover 56, also comprises a sieve 62.
  • the cover 56 with the snorkel 58 (not visible in FIG. 6) is arranged on the oil pan side, ie in the installed position below the capsule device 49.
  • a connecting piece 66 formed integrally with the housing 50 is provided on an opposite side facing the crankcase or the support structure 3 in an interior of the capsule device 49.
  • this connecting piece 66 interacts with an intake port 67 of the oil pump in such a way that the oil pump is connected to the snorkel 58 and pumps and delivers oil from an oil sump.
  • FIG. 7 the snorkel 58 is shown in solid lines for a specific internal combustion engine, while a shortened snorkel 58 for a specific internal combustion engine is shown in dashed lines with a different stroke volume and / or a different installation position.
  • FIG. 10 shows a detailed illustration of a fastening eye 52 on the housing 50
  • Fastening the capsule device 49 is a screw on the oil pan side in the direction of arrow 70 53 performed by the mounting eye 52 and either on the crankcase side Crankcase or screwed to the attachment points 44 ( Figure 1) of the support structure 3.
  • An annular web 59 integrally formed with the housing 50 in a depression 61 is plastically pressed by contacting the screw head 53 a and makes one separate sealing ring unnecessary.
  • the screw torque is based on the crankcase or on the lead frame, but not on the housing 50. This means that no independent occurs Dissolve by creeping the housing material.
  • the clip connectors 54 shown in detail in FIGS. 11 and 12 can be used in addition to the Fastening eyes 52 or be provided instead.
  • the clip connector 54 includes a hook-shaped element 55, which is attached to the housing 50 via an elastic arm 57 is. When pushed onto the web 32, the hook-shaped element 55 engages around the Web 32, as shown in Figure 12, and thus secures the housing 50 in a predetermined Position below the crankcase. An inserted sealing cord 72 seals the housing 50 on a circumferential bearing surface on the web 32 against the interior of the surrounding oil pan.
  • the clip connections 54 have the advantage that they are the same can be removed again simply and quickly, as previously by "clipping" the housing 50 were manufactured.
  • the capsule device 49 can also be closed again quickly and easily disassemble, for example for later maintenance or repair work.
  • the capsule device 49 advantageously prevents the rotating ones from “splashing" Counter shaft 20 in the oil sump, which leads to an undesirable foaming of the oil and unnecessary loss of work.
  • the suction snorkel integrated in the capsule device 49 58 for the oil pump reduces the total number of parts when assembling the Internal combustion engine.
  • the capsule device 49 for example, only takes on the auxiliary shaft 20 oil extracted for their lubrication and the oil flowing out of the crank mechanism becomes of such an embodiment completely past the auxiliary shaft 20 into the oil pan headed.

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  • 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)
EP98117181A 1997-09-19 1998-09-10 Dispositif pour encapsuler un arbre intermédiaire d'un moteur à combustion interne Expired - Lifetime EP0903474B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19741448A DE19741448A1 (de) 1997-09-19 1997-09-19 Anordnung zum Einkapseln einer Nebenwelle einer Hubkolben-Brennkraftmaschine
DE19741448 1997-09-19

Publications (2)

Publication Number Publication Date
EP0903474A1 true EP0903474A1 (fr) 1999-03-24
EP0903474B1 EP0903474B1 (fr) 2002-07-10

Family

ID=7842989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117181A Expired - Lifetime EP0903474B1 (fr) 1997-09-19 1998-09-10 Dispositif pour encapsuler un arbre intermédiaire d'un moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP0903474B1 (fr)
DE (2) DE19741448A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003526A1 (fr) * 2003-07-02 2005-01-13 Mtu Friedrichshafen Gmbh Plaque de recouvrement pour un carter de vilebrequin
CN110259885A (zh) * 2019-06-26 2019-09-20 浙江吉利控股集团有限公司 一种用于车辆的发动机平衡系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291358A2 (fr) * 1987-05-15 1988-11-17 Honda Giken Kogyo Kabushiki Kaisha Moteur à combustion interne
DE4204522C1 (en) 1992-02-15 1993-04-15 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De IC engine silencer with lower cover shell - has oil flow shell aperture opening into noise damping chamber
EP0634566A1 (fr) 1993-07-12 1995-01-18 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Dispositif de guidage de lubrificant dans un moteur à combustion interne
US5535643A (en) * 1993-11-12 1996-07-16 General Motors Corporation Anti-rattle engine balancer which drives associated oil pump
EP0809041A2 (fr) * 1996-05-20 1997-11-26 Audi Ag Dispositif d'équilibrage de torsion inertiel des moteurs à combustion interne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321751A1 (de) * 1983-06-16 1984-12-20 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Brennkraftmaschine fuer fahrzeuge, insb. fuer motorraeder
US4677948A (en) * 1986-05-29 1987-07-07 Chrysler Motors Corporation Lubricating system for an engine balancing device
JPH0211418A (ja) * 1988-06-29 1990-01-16 Honda Motor Co Ltd 車両の駆動装置
US5479886A (en) * 1995-05-12 1996-01-02 Cummins Engine Engine oil capacitor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291358A2 (fr) * 1987-05-15 1988-11-17 Honda Giken Kogyo Kabushiki Kaisha Moteur à combustion interne
DE4204522C1 (en) 1992-02-15 1993-04-15 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De IC engine silencer with lower cover shell - has oil flow shell aperture opening into noise damping chamber
EP0634566A1 (fr) 1993-07-12 1995-01-18 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Dispositif de guidage de lubrificant dans un moteur à combustion interne
US5535643A (en) * 1993-11-12 1996-07-16 General Motors Corporation Anti-rattle engine balancer which drives associated oil pump
EP0809041A2 (fr) * 1996-05-20 1997-11-26 Audi Ag Dispositif d'équilibrage de torsion inertiel des moteurs à combustion interne

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005003526A1 (fr) * 2003-07-02 2005-01-13 Mtu Friedrichshafen Gmbh Plaque de recouvrement pour un carter de vilebrequin
CN100443699C (zh) * 2003-07-02 2008-12-17 Mtu腓特烈港有限责任公司 曲轴箱盖板
CN110259885A (zh) * 2019-06-26 2019-09-20 浙江吉利控股集团有限公司 一种用于车辆的发动机平衡系统

Also Published As

Publication number Publication date
DE19741448A1 (de) 1999-03-25
EP0903474B1 (fr) 2002-07-10
DE59804711D1 (de) 2002-08-14

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