EP2342448B1 - Filterträger eines verbrennungsmotors - Google Patents

Filterträger eines verbrennungsmotors Download PDF

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Publication number
EP2342448B1
EP2342448B1 EP09768256A EP09768256A EP2342448B1 EP 2342448 B1 EP2342448 B1 EP 2342448B1 EP 09768256 A EP09768256 A EP 09768256A EP 09768256 A EP09768256 A EP 09768256A EP 2342448 B1 EP2342448 B1 EP 2342448B1
Authority
EP
European Patent Office
Prior art keywords
casting
passage
bearing member
bottom area
wall
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.)
Not-in-force
Application number
EP09768256A
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English (en)
French (fr)
Other versions
EP2342448A1 (de
Inventor
Tomaz Opara
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.)
Cimos dd
Original Assignee
Cimos dd
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Publication date
Application filed by Cimos dd filed Critical Cimos dd
Publication of EP2342448A1 publication Critical patent/EP2342448A1/de
Application granted granted Critical
Publication of EP2342448B1 publication Critical patent/EP2342448B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices

Definitions

  • the present invention belongs to the field of machinery, namely to internal combustion engines, in particular to construction details, parts and accessories thereof.
  • the purpose of the invention is to create a filter bearing member of an internal combustion engine, which should be, when compared with known bearing members of such kind, essentially improved in the technical sense, and could moreover be economically manufactured by die-casting of aluminium or appropriate alloys on the basis of aluminium and by means of relatively simple die-casting equipment i.e. molds, wherein subsequently required machining operations would simultaneously be essentially reduced.
  • a filter bearing member of an internal combustion engine is used in recently manufactured engines of the French manufacturer PSA (Peugeot Citroen Automobiles SA), and is therefore known to the public due to commercial use, although the part as such seems not be mentioned in patent documents. Of that reason and also for better understanding of the proposed invention, such bearing member is separately shown in the attached drawing ( Figs. 1 - 5 ).
  • Such known bearing member 1' is generally available as a casting, having a relatively complicated geometric shape, which is slightly similar to a segment of a cylinder, which however consists of just at a part of just one of both circular front surfaces, which forms a bottom area 2' of the bearing member 1', as well as of a corresponding portion of the circumferential surface located adjacent to said front surface, which forms a wall 3' furnished with a radially outwards protruding cantilever 4'.
  • Various seats and eyes are foreseen in the area of said bottom area 2', said wall 3' or said cantilever 4', which are intended either for attaching the bearing member as such onto each disposable vehicle chassis or vehicle shell, or also for mounting various not-shown parts or assemblies of each internal combustion engine onto said bearing member 1'.
  • a fuel-filter seat 21 should be mentioned, which is located in the central portion of the bottom area 2', and moreover also an air-filter positioning pin 31', which is located on the wall 3' apart from said bottom area 2' and is protruding inclined at appropriate angle radially outwards.
  • a passage 32' is available on the wall 3' adjacent to the bottom area 2', which is adapted to receive a not-shown and relatively bulky air-supply tube extending towards said air-filter, wherein in the area of said passage 32' throughout the wall 3 said tube is essentially bent and inclined with respect to said bottom area 2' as well as to the wall 3', so that the silhouette of said passage 32' may be linear only in both sections adjacent to the bottom area 2', while the residual part thereof is essentially parabolic, by which also the danger of weakening rigidity thereof in the area of the wall 3' may then be minimized.
  • bearing member 1' When bearing in mind just technology of manufacturing such bearing member 1', namely a process of die-casting aluminium or adequate aluminium-based alloy into appropriate molds is from the technological point of view such bearing member 1' quite complicated, and also manufacturing is complicated and requires quite complicated equipment adapted to perform complicated operation steps, which consequently results in extremely high costs of manufacturing. Namely, it should be born in mind that due to expected conditions during exploitation and due to expected reliability, such bearing member 1' must fulfill numerous resistance-related and geometrical conditions, wherein these lastly mentioned ones merely depend on reliability of dimensions and position of certain details.
  • said air-filter attaching pin 31' is manufactured such that a bore 310' is drilled into a casting, which is subsequently machined such that the separately manufactured pin 311' may then be pressed there-into.
  • the fuel-filter positioning seat 21' is manufactured in such a manner that a bore 210' is drilled into the casting as such and is then subsequently machined such that thereupon an independently machined bush 211' may be pressed there-into, wherein on the one hand the outer surface of said bush 211' is adapted to be pressed into said bore 210' of the casting and at the same time also for receipt of the fuel-filter, while on the other hand said bush 211' is furnished with a longitudinal throughout opening 212', which is intended for draining the water.
  • manufacturing of the casting as such is also complicated, and is feasible only on the basis of complicated and very expensive casting dies, which in addition to two main parts, which are not shown in the drawing and which are furnished with appropriate cavities and are displaceable in one direction, e.g. along the arrow E according to Fig. 2 and along appropriate guides of each casting station, comprises at least one additional part, namely a so-called lateral core, which is displaceable in a transversal direction.
  • Manufacturing of a casting-die with incorporated lateral core is much more complicated and also much more expensive than manufacturing of a classic two-part casting-die, and in addition to that, exploitation of such casting-die in a manufacturing process normally involves essentially higher maintenance expenses, essentially higher risk of damages and is usually possible only by using correspondingly sophisticated casting machines.
  • such casting-die is usually furnished with a single cavity and then enables manufacturing of a single casting in each particular step and not e.g. several castings at once, by which such casting a priori lacks economic efficiency. All these deficiencies normally result in extremely high manufacturing expenses of such casting.
  • the present invention refers to a filter bearing member of an internal combustion engine, namely to a casting, which is formed by means of die-casting of aluminium or alloys on the basis of aluminium, the geometrical shape thereof is slightly similar to a segment of a cylinder comprising however just a part of just one of both circular front surfaces, which forms a bottom area of the bearing member, as well as a corresponding portion of the circumferential surface adjacent to said front surface, which forms a wall of the bearing member, which is furnished with a radially outward protruding cantilever.
  • each required seats and eyes are foreseen in the area of said bottom area, said wall or said cantilever, which are adapted either for attaching the bearing member as such onto each disposable vehicle chassis or vehicle shell, or also for mounting various non-shown parts or assemblies of each internal combustion engine onto said bearing member.
  • At least a fuel-filter positioning seat is foreseen in the central portion of the bottom area and is furnished with a seat adapted to receive said filter as well as a water draining throughout passage, and moreover, a radially outwards protruding and at certain angle inclined pin is foreseen in the area of the wall, which is furnished with a seat adapted to receive an air-filter, and still further, and appropriate passage is foreseen in the wall adjacent to said bottom area, which is adapted for introduction of air-supplying tube extending towards the air filter.
  • said air-filter positioning pin which protrudes radially outward from the wall apart from the bottom area, is formed integrally with the casting as such and is furnished with a subsequently machined seat, which consists of the material of the casting as such. Furthermore, a fuel-filter positioning pin, which is located centrally on said bottom area, is also formed integrally with the casting as such and comprises a subsequently machined seat, by which a central passage is surrounded, which is also obtained by subsequently machining of the casting.
  • said passage as foreseen for introduction of the air-supplying tube throughout the wall has an essentially parabolic shape, so that its bottom edge extending between the bottom area and the wall is essentially linear and is defined by means of two end points, wherein the parabolic peripheral section of said passage is strictly smoothly deflected away from said bottom area and is completely located within the area between two lines, which extend through said end points of said linear edge of said passage in a direction of displacing both parts of the casting-die either towards each other or apart from each other prior to or posterior to each casting operation.
  • said passage may either be conceived symmetrically or asymmetrically with respect to direction of displacing both parts of the casting-die either towards each other or apart from each other prior to or posterior to each casting operation.
  • a bearing member 1 as proposed in accordance with the present invention and shown in Figs. 6 - 10 is conceived as a casting, which has essentially the same overall shape as the known bearing member 1' according to Figs. 1 - 5 . Consequently, the bearing member 1 is slightly similar to a segment of a cylinder, which however consists of a part of just one of both circular front surfaces, which forms a bottom area 2 of the bearing member 1, as well as of a corresponding portion of the circumferential surface, which is arranged adjacent to said front surface and forms a wall 3, which is furnished with a radially outward protruding cantilever 4.
  • said wall 3 or said cantilever 4 which are adapted either for attaching the bearing member 1 as such onto each disposable vehicle chassis or vehicle shell, or also for mounting various non-shown parts or assemblies of each internal combustion engine onto said bearing member 1.
  • a seat 21 is foreseen in the bottom area 2, which is intended for positioning of a not-shown fuel-filter and which is located in the central portion of said bottom area 2.
  • a pin 31 is foreseen on the bearing member 1, which is intended for positioning a not-shown air-filter and which is protruding at certain angle radially outwards in the area of said wall 3 apart of the bottom area 2.
  • a passage 32 is foreseen in the area of said wall 3 adjacent to the bottom area 2, which is intended to receive a not-shown tube used for supplying the air towards the air-filter, wherein said tube is essentially bent in the area of said passage 32 and inclined with respect to said bottom area 2 and the wall 3, so that the silhouette of said passage 32 is linear in both portions adjacent to the bottom area 2, while the residual portion thereof is parabolic, by which also the weakening effect in the area of the wall 3 at least regarding the rigidity thereof is then minimized.
  • said parabolic portion of the passage 32 is conceived in such a manner that slightly curved and along a linear edge 320 along the border between the wall 3 and the bottom area 2 smoothly deflected parabolic portion between two end points 321, 322 is all the time located between two lines, which pass through said end points 321, 322 in a direction E of displacing both parts of the casting-die either towards each other or apart from each other. Thanks to such shape of the circumference of the passage 32, applying the previously mentioned lateral core in the casting-die as used in manufacturing a bearing member 1 casting, is therefore not necessary anymore.
  • Said fuel-filter positioning seat 21 is manufactured integrally with the bearing member 1 casting, so that in the relevant area said bearing member 1 is machined in order to obtain said pin 211, which is furnished with an analogously machined central throughout bore 212 as required for draining the water. In such a way, a previous machining of a bore followed by pressing a bush into said bore, also becomes unnecessary.
  • a pin 31 is also formed integrally with the bearing member 1 casting, namely by means of machining of each disposable bearing member 1 casting, on which appropriate seat 311 is machined in order to assure each desired diameter and each appropriate length.
  • the bearing member 1 according to the invention is preferably obtained by die-casting of aluminium or adequate aluminium-based alloy into appropriate mold.
  • the bearing member 1 according to the invention is from the constructional and technologic point of view essentially less complicated than the previously known one, and as result of such simplifying, the costs of manufacturing are then essentially reduced.
  • such bearing member 1 is functional and reliable and fulfills all requirements regarding geometry and rigidity, manufacturing thereof requires less operations and essentially less time.
  • Manufacturing of the bearing member 1 casting is also essentially simplified thanks to elimination of the lateral core from the casting-die, as well as to improved shape of the silhouette of the passage 32. From a quite practical point of view, that means the possibility of using both essentially simplified casting-dies and simplified and correspondingly cheaper casting stations, and in addition to that, also the possibility of applying casting-dies with multiple cavities, by which several castings may be manufactured simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (3)

  1. Filter-Lagerelement einer Verbrennungskraftmaschine, insbesondere ein Gussteil, das mit Hilfe des Druckgießens von Aluminium oder Legierungen auf der Grundlage von Aluminium geformt ist, dessen geometrische Form entfernt einem Segment eines Zylinders ähnelt, jedoch nur einen Teil von nur einer der beiden kreisförmigen Stirnflächen umfasst, die einen Bodenbereich (2) des Lagerelementes (1) bildet, sowie einen entsprechenden Abschnitt der Umfangsfläche angrenzend an die Stirnfläche, der eine Wand (3) des Lagerelementes (1) bildet und der mit einem in Radialrichtung nach außen vorspringenden Ausleger (4) ausgestattet ist, umfasst, wobei verschiedene Sitze und Augen in dem Bereich des Bodenbereichs (2), der Wand (3) oder des Auslegers (4), vorgesehen sind, die dafür eingerichtet sind, entweder das Lagerelement (1) als solches an jedem/jeder verfügbaren Fahrzeug-Fahrgestell oder Fahrzeug-Außenhaut zu befestigen, oder ebenfalls dafür, verschiedene nicht gezeigte Teile oder Baugruppen jeder Verbrennungskraftmaschine an dem Lagerelement (1) anzubringen, und wobei ein Kraftstofffilter-Positionierungssitz (21) in dem mittleren Abschnitt des Bodenbereiches (2) vorgesehen ist und mit einem Sitz (211), der dafür eingerichtet ist, den Kraftstofffilter aufzunehmen, sowie einem durchgehenden Wasserableitungsdurchgang (212) ausgestattet ist, und wobei darüber hinaus ein in jedem gewünschten Winkel geneigter und in Radialrichtung nach außen vorspringender Stift (31), der mit einem Sitz (311) ausgestattet ist, der dafür eingerichtet ist, einen Luftfilter aufzunehmen, in dem Bereich der Wand (3) vorgesehen ist, und wobei ein Durchgang (32), der für das Einführen einer Luftzuführungsröhre eingerichtet ist, die sich zu dem Luftfilter hin erstreckt, in der Wand (3) angrenzend an den Bodenbereich (2) vorgesehen ist, dadurch gekennzeichnet, dass ein Luftfilter-Positionierungsstift (31), der getrennt von dem Bodenbereich (2) in Radialrichtung von der Wand (3) aus vorspringt, integral mit dem Gussteil (1) an sich geformt ist und mit einem anschließend gespanten Sitz (311) ausgestattet ist, der aus dem Werkstoff des Gussteils (1) besteht, und dass außerdem ein Kraftstofffilter-Positionierungsstift (21), der mittig auf dem Bodenbereich (2) angeordnet ist, integral mit dem Gussteil (1) an sich geformt ist und einen anschließend gespanten Sitz (211) umfasst, durch den ein mittiger Durchgang (212) umschlossen wird, der ebenfalls durch das anschließende Spanen des Gussteils (1) gewonnen wird, wobei ein Durchgang (32), der für das Einführen der Luftzuführungsröhre durch die Wand (3) eingerichtet ist, eine im Wesentlichen parabelförmige Gestalt hat, so dass die Unterkante (320), die sich zwischen dem Bodenbereich (2) und der Wand (3) erstreckt, im Wesentlichen linear ist und mit Hilfe von zwei Endpunkten (321, 322) definiert wird, während die parabelförmige Umfangssektion des Durchgangs (32) sanft von dem Bodenbereich (2) weg abgelenkt ist und vollständig innerhalb eines Bereichs zwischen zwei Linien angeordnet ist, die sich durch die Endpunkte (321, 322) der linearen Kante (320) des Durchgangs (32) in einer Richtung (E) der Verschiebung der beiden Teile der Gussform entweder zueinander hin oder voneinander weg vor oder nach jedem Gussvorgang erstrecken.
  2. Lagerelement nach Anspruch 1, dadurch gekennzeichnet, dass der Durchgang (32) symmetrisch in Bezug auf die Richtung (E) der Verschiebung der beiden Teile der Gussform entweder zueinander hin oder voneinander weg vor oder nach jedem Gussvorgang konzipiert ist.
  3. Lagerelement nach Anspruch 1, dadurch gekennzeichnet, dass der Durchgang (32) asymmetrisch in Bezug auf die Richtung (E) der Verschiebung der beiden Teile der Gussform entweder zueinander hin oder voneinander weg vor oder nach jedem Gussvorgang konzipiert ist.
EP09768256A 2008-10-24 2009-10-21 Filterträger eines verbrennungsmotors Not-in-force EP2342448B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SI200800252A SI22893A (sl) 2008-10-24 2008-10-24 Nosilec filtrov pri motorju z notranjim zgorevanjem
PCT/SI2009/000054 WO2010047664A1 (en) 2008-10-24 2009-10-21 Filter bearing member of an internal combustion engine

Publications (2)

Publication Number Publication Date
EP2342448A1 EP2342448A1 (de) 2011-07-13
EP2342448B1 true EP2342448B1 (de) 2012-08-08

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ID=41683204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09768256A Not-in-force EP2342448B1 (de) 2008-10-24 2009-10-21 Filterträger eines verbrennungsmotors

Country Status (3)

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EP (1) EP2342448B1 (de)
SI (1) SI22893A (de)
WO (1) WO2010047664A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201128373Y (zh) * 2007-12-19 2008-10-08 重庆长安汽车股份有限公司 一种汽车用燃油蒸发控制碳罐总成
FR2929680B1 (fr) * 2008-04-07 2012-11-30 Peugeot Citroen Automobiles Sa Support d'un doseur d'air d'admission et moteur comportant un tel support.

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Publication number Publication date
SI22893A (sl) 2010-04-30
WO2010047664A1 (en) 2010-04-29
EP2342448A1 (de) 2011-07-13

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