EP2662544B1 - Ölwanne für Brennkraftmaschine sowie Siebanordnung - Google Patents

Ölwanne für Brennkraftmaschine sowie Siebanordnung Download PDF

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Publication number
EP2662544B1
EP2662544B1 EP12007868.8A EP12007868A EP2662544B1 EP 2662544 B1 EP2662544 B1 EP 2662544B1 EP 12007868 A EP12007868 A EP 12007868A EP 2662544 B1 EP2662544 B1 EP 2662544B1
Authority
EP
European Patent Office
Prior art keywords
screen
oil pan
suction line
oil
pan
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.)
Active
Application number
EP12007868.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2662544A3 (de
EP2662544A2 (de
Inventor
Moritz Späth
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 Truck and Bus SE
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 Truck and Bus SE filed Critical MAN Truck and Bus SE
Publication of EP2662544A2 publication Critical patent/EP2662544A2/de
Publication of EP2662544A3 publication Critical patent/EP2662544A3/de
Application granted granted Critical
Publication of EP2662544B1 publication Critical patent/EP2662544B1/de
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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
    • 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
    • F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
    • 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

Definitions

  • the present invention relates to an oil pan for internal combustion engines according to the preamble of patent claim 1.
  • An oil sump made of plastic with an integrated suction line for conveying the lubricating oil into the lubricating oil system of the internal combustion engine describes, for example, the generic type DE 10 2007 040 665 A1 ,
  • the suction line is partially formed directly by the tub bottom and partly by a Saugrohrdeckel.
  • a screen is further integrated, which is aligned obliquely to the tub bottom.
  • the oil suction channel must be below or below the screen and on the bottom of the tank.
  • the suction opening can thus not be arranged maximally deep in the sump on the bottom of the tub. Due to the oblique orientation of the screen towards the bottom of the tub, disturbing turbulences in the intake oil flow can also occur in the inflow area.
  • the DE 89 11 897 U1 discloses a screen arrangement in the region of an inlet opening of a suction pipe arranged in an oil pan, in which a vertically oriented to the tub bottom inlet opening and a screen associated with the inlet opening are provided.
  • the object of the invention is to propose an oil pan, which is easy to manufacture, which ensures efficient oil extraction and forms a service-friendly arrangement of the screen.
  • an oil pan is proposed according to the invention with a suction line arranged in the oil pan and a sieve arranged in the region of an inlet opening of the suction line, the sieve being associated with the inlet opening oriented vertically to the trough bottom and the sieve being detachably received in a receptacle of the suction line and is held, in such a way that the sieve can be removed in the vertical axis direction of the oil pan from the exception.
  • the tub bottom upwardly projecting cable wall sections are formed without undercuts to the Entformungscardi the oil pan, wherein furthermore the Saug effetsdeckel is also made without undercuts in this Entformungsraum.
  • the Entformungscardi is preferably aligned substantially perpendicular to the flange plane of the oil pan. Due to the uniform removal direction, the demoulding of the components is simplified with a simultaneously favorable routing with rounded transitions by casting technology and favors their joining by gluing or welding. Furthermore, the sieve oriented in the demoulding direction can be easily controlled in the event of servicing (with the oil pan removed) and avoids damage its approximately vertical arrangement or the suction approximately parallel to the tub bottom a turbulence-free inflow of the oil.
  • the bottom of the tub can be designed to be favorable in terms of oil flow as well as production engineering and have a geodetically upper, preferably horizontally extending tub bottom section, which is adjoined by a geodetically lower, preferably horizontally extending tub bottom section, which are connected to one another by a preferably substantially vertically extending step wall area as the transition wall area.
  • the suction line is seen in longitudinal section approximately L-shaped and executed in such a way that the inlet opening and / or the receptacle for the screen immediately adjacent to the step wall area or foot side is arranged at the transition region from the lower tray bottom portion to the step wall portion at the bottom tray bottom portion.
  • the suction line is extended inlet opening side to a simultaneously forming the receptacle for the screen and / or having inlet funnel, wherein the inlet funnel preferably a vertical to the associated tub bottom portion and further parallel to the Entformungscardi and thus parallel to Recording for the sieve running inlet opening forms.
  • the suction line for forming the inlet funnel widens substantially only in the transverse direction, but not in the vertical axis direction, and / or that at least a portion of the suction line widens continuously towards the suction funnel.
  • the inlet opening has an elongated and / or slot-shaped and / or slot-shaped and / or rectangular geometry, and thus even at low height of the suction line in the vertical axis direction a provided sufficiently large inflow opening, which helps to allow a flow-calm inflow.
  • the cross-sectional area of the suction line can be the same with a deviation of up to +/- 20% over its entire length.
  • the Einsaugtrichter may be partially formed on the bottom of the tub and pass into the tub bottom side wall sections of the conduit or have such. This allows a precise formation of the molded wall sections or their front-side joining areas to the adjacent suction line cover.
  • the sieve can be permanently connected to the suction line cover or clamped between the trough bottom and the suction line cover.
  • a detachable screen assembly or holder in particular such that the recording on Saug effetsdeckel for the screen is formed by a preferably in Hochachsen- or Entformungscardi running plug and / or sliding guide, preferably at Einsaugtrichter, in which the sieve plugged and / or releasably durable or latched. Accordingly, the sieve can be easily assembled and possibly cleaned or replaced by removal.
  • the sieve can be arranged or formed in a holding plate, which can be inserted into the insertion and / or sliding guide and latched therein.
  • further spring tongues can be integrally formed on the retaining plate at their recorded in the sliding guide edge regions holding the retaining plate without play and under bias reliable in the insertion and / or sliding guide, for example, in associated guide grooves.
  • a production-technically simple securing of the sieve can be achieved according to a first embodiment in that the sieve or the holding plate is held with at least one locking element on at least one, arranged on the suction line in the region of the receptacle, resilient locking counter-element, for example, the locking element correspondingly engages behind.
  • the screen may also have at least one integrally formed, resiliently or elastically resiliently locking element, for example in the form of a snap-action hook, which cooperates with a latching counter element, for example a latching hook, in the region of the recess.
  • the screen-side locking element is elastic spring-back connected and biased for example in the direction of engagement, so that it is necessary to release the engagement connection to actively actuate the locking element, for example by pulling or pressing on an actuating element of the locking element, which then, for example, a pivoting of Locking element causes.
  • To simplify disassembly of the screen may be provided on the holding plate outside the sliding guide at least one gripping contour for pulling out.
  • a receptacle for a usable oil level sensor can be provided in the vicinity of the sieve on the bottom of the tub; If appropriate, the oil level sensor inserted into a threaded bore of the tank bottom can also serve as a drain plug during an oil change.
  • flow guide ribs may be provided in the vicinity of the sieve on the trough bottom and / or on the suction line cover, which are aligned in particular in the longitudinal direction of the oil pan or obliquely thereto and, in particular in internal combustion engines in motor vehicles, the inflow promote the oil in the inlet funnel, for example, at lateral accelerations or inclinations of the motor vehicle.
  • edge regions of the conduit wall sections integrally formed on the tub bottom and the corresponding edge regions of the suction line cover are connected to one another by welding, for example by vibration welding or ultrasonic welding, to produce a solid, vibration-resistant joint.
  • the oil sump and the suction line cover are preferably made of plastic, if appropriate also made of metal by casting or spraying.
  • a suction line arranged in the oil pan is provided and a screen associated with the inlet opening of the suction line, in particular an inlet opening oriented substantially vertically to the tank bottom.
  • the preferably plate-shaped sieve is detachably received and held in a receptacle of the suction line.
  • this detachable mounting is carried out so that the screen in the vertical direction of the oil pan or with respect to the flange plane of the oil pan substantially vertically, preferably substantially in Entformungscardi the oil pan and / or the Saug effetsdeckels, can be removed from the receptacle.
  • the receptacle is formed by a plug-in and / or sliding guide or has such, in the or in which the sieve, preferably with a plate-shaped portion or as a total plate-shaped sieve, insertable and releasably durable or latched.
  • Fig. 1 an oil pan 1 made of plastic is shown, which is described only insofar as is necessary for the understanding of the present invention.
  • the oil pan 1 may be of conventional design.
  • the oil sump 1 has a stepped tub bottom 2 with a geodetically lower wall bottom portion 2a and a wall bottom portion 2b which is higher in comparison. At the bottom of the tub 2 close up abragend, integral side walls 3 and end walls 4, which terminate at a common, flat executed connecting flange 5.
  • an L-shaped suction line 6 viewed in the side view is arranged ( Fig. 2 ), which extends at the bottom of the tub 2 from a front, laterally arranged end with a connecting piece 7 in the bottom wall portion 2b over an approximately vertically extending step wall portion 2c back down to the lower trough bottom portion 2a and there in a wider executed feed hopper 8 here approximately in the middle , ends.
  • a vertically aligned sieve 9 is integrated ( Fig. 2 ).
  • the broadening of the suction line 2 to form the inlet funnel 8 takes place here substantially only in the transverse direction y, but not or only slightly in the vertical axis z, so that the inlet opening 8a formed in the inlet funnel 8 at the tub bottom portion 2a foot side of the step wall portion 2c substantially vertical to the tub bottom portion 2a is aligned and thus parallel to the wire 9 and parallel to the Entformungstent E, which will be explained in more detail with respect to the Entformungsrhythm E below.
  • the suction line 6 is connected via the connecting piece 7 with a riser (not shown), which is connected to a likewise not shown lubricating oil pump of an internal combustion engine, so that lubricating oil the section 2a of the oil pan 1 can be promoted in the pressure circulation lubricating oil system of the internal combustion engine.
  • the suction line 6 is on the one hand formed on the tub bottom 2 line wall sections 6a (see Fig. 1 ) are formed, which are without undercuts with respect to a direction perpendicular to the connection flange 5 Entformungscardi E (dotted lines) are executed and form an upwardly open channel which extends continuously to the inlet funnel 8 and there with conduit wall sections 6 b forms a part thereof.
  • the suction tube cover 6c is provided at the inlet funnel 8 with a receptacle 10 formed thereon in the form of an upwardly open, double-sided guide grooves 10a (FIG. Fig. 3 ) provided with plug and / or sliding guide, wherein the in Fig. 3 only extremely schematically and dashed lines shown guide grooves 10a also in the Entformungscardi E (in Fig. 1 dotted indicated) are aligned.
  • the integrally formed with a holding plate 9a sieve 9b is inserted from above and in a vertical orientation and / or inserted until the sieve 9b rests against the trough bottom 2a, wherein the sieve 9 is held on, in the region of the receptacle 10 provided or molded latching hook 10b.
  • the latching hooks 10b are engaged behind by snap-in hooks 9c, which are integrally formed on both sides of the holding plate 9a and are resiliently or elastically spring-loaded.
  • the respective snap hooks 9c is pivoted about the web 9f so that the engagement hooks 9h having lower engagement portion 9i of the snap hook 9c is wegverschwenkt away from the receiving side locking counter-element or latching hook 10b and thus the engagement or rear hook 9h is brought out of engagement with the latching hook 10 b, so that the sieve 9 can be removed from the receptacle 10.
  • the elastic connection of the snap hooks 9c is here designed so that it biases the engagement region 9i and thus the engagement hooks 9h in the direction of the holding plate 9a and thus (in the inserted state of the screen 9) in engagement with the latching hook 10b.
  • the shows Fig. 4a the basic position. If now the sieve (again) are inserted into the receptacle 10, slide the engagement hooks 9h with their optional inlet bevel 9j along the locking hooks 10b and their optional inlet bevel 10c in the insertion direction downwards such that they are first pivoted away to the outside, before then elastic under the latching hooks 10b snap in or snap in and are held there by the targeted preload ( Fig. 5 ).
  • the latching hook 10b may be resiliently spring-loaded and / or at least one latching hook 10d may be elastically spring-loaded in the region of the top side of the inlet funnel-side region of the suction line cover 6c, which cooperates with a counter-plate-side counter element as 9k, which is shown in FIG Fig. 3 only dashed and schematically drawn.
  • the locking hooks 10b are further formed on the suction line cover 6c.
  • arcuate spring tongues 9d are provided on the retaining plate 9a at their edge regions cooperating with the two-sided guide grooves 10a Fig. 4 and 5 ) are formed, which hold the screen 9 with bias and thus rattle-free in the receptacle 10.
  • the snap hooks 9c are thus disengaged from the latching hooks 10b of the retaining plate 9a. Pulling out is facilitated by gripping contours 9e formed on the holding plate 9a (for example a recess), so that, for example, the sieve 9 can be easily pulled out and controlled and / or replaced in the removal direction E for service purposes with the oil pan 1 disassembled.
  • the screen member 9 can be made as one piece and made of plastic as shown.
  • the sieve part 9 can also be a metal sieve or perforated part made of metal (mesh) with plastic encapsulated comparable design.
  • Sliding guide with the guide grooves 10a may optionally be provided another type of attachment, for example, a clip connection.
  • the screen member 9 but optionally also be held firmly and permanently between the conduit wall portion 6b and the Saugrohrdeckel 6c.
  • the inflow of the sucked lubricating oil can take place via the here elongated or rectangular inlet opening 8a without deflection in the region of the sieve part 9, so that no turbulence, swirling, etc. occur in this area.
  • the oil pan 1 with the conduit wall sections 6a, 6b and the suction line cover 6c with the molded receptacle 10 for the screen member 9 are produced in plastic injection molding in simplified tools (especially without slide), in particular by the uniform Entformungscardi approximately perpendicular to the flange plane 5 and by the construction without undercuts; Furthermore, the joining effort is reduced by only two required components 1, 6a, 6b and 6c.
  • suction line 6 can be designed by the described design with relatively uniform, no flow-obstructing deflections (corners or the like) having-exhibiting cross-sectional profile, wherein the cross-sectional area differences can be within +/- 20%.
  • the oil sump 1 can at the bottom of the tub 2 in the region of the portion 2a and the inlet funnel 8 more, formed on the trough bottom and upwardly projecting in the Entformungscardi Strömungsleitrippen 11 ( Fig. 2 ) exhibit.
  • These may, for example, substantially in the longitudinal direction of the oil pan 1 and / or optionally obliquely and / or be bent to supply the tank bottom 2 flowing lubricating oil to the inlet funnel 8 and the sieve 9 in the desired manner.
  • a threaded bore 12 can be introduced into which an upwardly projecting rod-shaped oil level sensor 13 (in FIG Fig. 1 schematically drawn) can be used. If necessary, the oil level sensor can at the same time serve as a drain screw for lubricating oil, for example during an oil change.
  • Fig. 6 shows again a section along the longitudinal center of the oil pan 1, in which the features just described are shown again in another perspective.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Food-Manufacturing Devices (AREA)
EP12007868.8A 2012-05-10 2012-11-22 Ölwanne für Brennkraftmaschine sowie Siebanordnung Active EP2662544B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012009196A DE102012009196A1 (de) 2012-05-10 2012-05-10 Ölwanne für Brennkraftmaschine sowie Siebanordnung

Publications (3)

Publication Number Publication Date
EP2662544A2 EP2662544A2 (de) 2013-11-13
EP2662544A3 EP2662544A3 (de) 2015-04-15
EP2662544B1 true EP2662544B1 (de) 2019-10-30

Family

ID=47355742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12007868.8A Active EP2662544B1 (de) 2012-05-10 2012-11-22 Ölwanne für Brennkraftmaschine sowie Siebanordnung

Country Status (5)

Country Link
EP (1) EP2662544B1 (ru)
CN (1) CN103470338B (ru)
BR (1) BR102013011623B1 (ru)
DE (1) DE102012009196A1 (ru)
RU (1) RU2611547C2 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014529B (zh) * 2016-07-13 2018-01-30 青岛华涛汽车模具有限公司 一种塑料油底壳总成

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT214888Z2 (it) * 1988-10-07 1990-07-04 Fiat Auto Spa Coppa olio in lega leggera per un motore a combustione interna
DE19735445C2 (de) * 1997-06-17 1999-08-26 Ibs Filtran Kunststoff Metall Ölwanne aus Kunststoff für Motoren oder Getriebe
RU2166646C2 (ru) * 1997-12-24 2001-05-10 Акционерное общество открытого типа - Холдинговая компания "Барнаултрансмаш" Система смазки двигателя внутреннего сгорания
US6041752A (en) * 1998-11-04 2000-03-28 Technology Holdings, Inc. Moldable integrated oil pan and suction tube for an internal combustion engine
ES2248470T3 (es) * 2002-10-12 2006-03-16 Ibs Filtran Kunststoff-/Metallerzeugnisse Gmbh Procedimiento para fabricar un carter de aceite de plastico con filtro de aceite integrado.
JP4304439B2 (ja) 2003-07-29 2009-07-29 三菱自動車工業株式会社 エンジンのオイル冷却装置
DE102004024517A1 (de) * 2004-05-18 2005-12-15 Adam Opel Ag Ölwannenanordnung
DE102006025745A1 (de) * 2006-05-31 2007-12-06 Rehau Ag + Co. Metall-Kunststoff-Hybrid-Ölwanne
DE102007040665A1 (de) 2007-08-27 2009-03-05 Mann + Hummel Gmbh Ölwanne
DE102007060411A1 (de) * 2007-12-14 2008-09-04 Daimler Ag Ölwanne
JP2009243378A (ja) * 2008-03-31 2009-10-22 Toyota Motor Corp オイル濾過装置
US8272480B2 (en) * 2009-03-12 2012-09-25 Mahle International Gmbh Oil pan integrated with filter and other components
JP5270471B2 (ja) * 2009-06-24 2013-08-21 トヨタ自動車株式会社 オイルパン
CN101761374B (zh) * 2009-10-22 2012-05-30 北京中清能发动机技术有限公司 一种内燃机油底壳及采用曲柄圆滑块结构的内燃机
CN102052122A (zh) * 2011-01-27 2011-05-11 奇瑞汽车股份有限公司 一种发动机油底壳

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
EP2662544A3 (de) 2015-04-15
RU2013113604A (ru) 2014-10-10
RU2611547C2 (ru) 2017-02-28
CN103470338A (zh) 2013-12-25
EP2662544A2 (de) 2013-11-13
BR102013011623A8 (pt) 2021-04-13
CN103470338B (zh) 2017-11-14
DE102012009196A1 (de) 2013-11-14
BR102013011623A2 (pt) 2015-06-30
BR102013011623B1 (pt) 2021-09-28

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