EP2102041A1 - Ensemble siège de palier pour immobilisation axiale et radiale - Google Patents

Ensemble siège de palier pour immobilisation axiale et radiale

Info

Publication number
EP2102041A1
EP2102041A1 EP07821453A EP07821453A EP2102041A1 EP 2102041 A1 EP2102041 A1 EP 2102041A1 EP 07821453 A EP07821453 A EP 07821453A EP 07821453 A EP07821453 A EP 07821453A EP 2102041 A1 EP2102041 A1 EP 2102041A1
Authority
EP
European Patent Office
Prior art keywords
bearing seat
seat arrangement
arrangement according
bearing
rolling bearing
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.)
Withdrawn
Application number
EP07821453A
Other languages
German (de)
English (en)
Inventor
Achim Hawighorst
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2102041A1 publication Critical patent/EP2102041A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/081—Structural association with bearings specially adapted for worm gear drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/09—Windscreen wipers, e.g. pivots therefore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • F16C2380/27—Motor coupled with a gear, e.g. worm gears

Definitions

  • the invention relates to a bearing seat arrangement for the axial and radial fixing of an outer ring of a rolling bearing of a drive device, in particular a windshield wiper drive.
  • Bearing seat arrangements for the axial and radial fixing of an outer ring of a roller bearing are widely known.
  • the outer ring of the rolling bearing is axially introduced into a bearing seat and pushed to a stop. Subsequently, the outer ring of the bearing is axially secured, for which purpose, for example, a retaining ring or snap ring is used, which is introduced into a running on the inside of the bearing seat groove. As a rule, a retaining ring is clamped between the snap ring and roller bearing outer ring.
  • a disadvantage of such a bearing seat arrangement that in the construction of the drive device must be paid to a particularly suitable assembly design, so that all components of the drive device or a bearing having the rolling bearing can actually be mounted.
  • the invention provides a bearing seat arrangement for axially and radially fixing an outer ring of a rolling bearing of a drive device, in particular a windshield wiper drive, wherein the drive device has at least one housing part and the bearing seat assembly is formed radially in two parts, of which a part of the housing and the other part of a separate part, in particular of a molded part is formed.
  • the bearing seat assembly is thus formed radially in two parts, which means that the bearing seat formed by the bearing seat assembly of the bearing of two There is parts that are radially mountable.
  • a part of the bearing seat assembly is formed by the housing of the drive device, so it is integrally formed therewith.
  • the rolling bearing or the rolling bearing bearing shaft can be mounted in a simple manner
  • the other part of the bearing seat assembly is formed by a separate part, in particular a molded part, which is then mounted (radially), so that the rolling bearing axially and radially is fixed.
  • both parts of the bearing seat arrangement each have an open-edged recesses for radially receiving at least one area of the rolling bearing.
  • the recess is formed such that it is formed at least partially - seen in cross section - circular cylindrical.
  • the recess thus at least partially perpendicular to the rotational axis of the rolling bearing on a circular cylindrical shape, preferably with a radius which substantially corresponds to the outer radius of the outer ring of the rolling bearing, so that in the inserted state in the recess of the rolling bearing surface contact is ensured.
  • at least one area of the rolling bearing is received in each of the parts.
  • the bearing seat assembly expediently at least on one (axial) side of a recess, so that a shaft of the drive device can be operatively connected to the rolling bearing.
  • a shaft of the drive device can be operatively connected to the rolling bearing.
  • both parts take on each half of the rolling bearing.
  • the roller bearing is completely received by the recess of one part (of the housing), wherein the other, separate, introduced into the one part only receives a small portion of the rolling bearing.
  • the bearing seat assembly on a mounting guide, so that the bearing seat assembly forming parts are aligned during assembly and no unwanted stresses in the bearing seat assembly and / or the rolling bearing arise.
  • the mounting guide is formed by at least one engaging in a groove projection, wherein the groove expediently perpendicular to the axis of rotation of the rolling bearing.
  • the groove and / or the projection preferably have insertion aids, for example in the form of insertion phases.
  • the projection is formed as a web, so that a particularly simple assembly is possible, and beyond high axial forces can be absorbed.
  • the projection is formed on one part or the other part and the groove on the other or the one part.
  • both the projection and a groove for example on different sides, and correspondingly a groove and a projection on the other part may be formed.
  • the two parts are fastened to one another by means of screws and / or bolts, so that the rolling bearing is clamped both in the axial direction and in the radial direction.
  • At least one of the parts is plastically deformed in regions.
  • at least one of the parts is plastically deformed in certain regions such that the deformed region cooperates with a correspondingly formed region of the other part, so that a positive connection is created.
  • the latch advantageously has at least one elastically deformable latching element.
  • the latching element has a latching projection, which engages upon assembly of the parts due to the inherent elasticity of the latching element in a corresponding latching recess of the bearing seat assembly.
  • the locking element is arranged on the other, separate part.
  • the latching element is integrally formed with the other part.
  • the other part is a Deep-drawn part formed, whereby the desired shape and also such, so integrally formed with the other part locking element in a simple manner can be produced.
  • the other part is formed integrally with a housing cover of the drive device.
  • the other part is formed by the housing cover.
  • the rolling bearing is fixed by fixing the housing cover to the housing part. This facilitates in particular the manufacturing process and the assembly effort.
  • the rolling bearing is a deep groove ball bearing, cylindrical roller bearing or a needle roller bearing.
  • FIG. 1 shows a schematically illustrated windshield wiper drive
  • FIGS. 2a and 2b show a first exemplary embodiment of the bearing seat arrangement according to the invention
  • FIGS. 3a and 3b show the windshield wiper drive from FIG. 1 with an associated housing part
  • FIGS. 4a to 4c show a further exemplary embodiment of a bearing seat arrangement according to the invention
  • FIGS. 6a and 6b show a further exemplary embodiment of the bearing seat arrangement according to the invention
  • FIGS. 7a and 7b show a further exemplary embodiment of the bearing seat arrangement according to the invention
  • Figure 8 is a deep-drawn part with locking elements
  • Figure 9 shows another deep-drawn part with locking elements.
  • the drive device 1 shows an example in a sectional view of a drive device 1 of a windshield wiper drive 2.
  • the drive device 1 has an electric motor 3, which drives via a drive shaft 4 arranged on the drive shaft 4 helical worm wheel 5.
  • the roller bearing 6 serves to support the drive shaft 4 in a housing part, not shown here.
  • a rolling bearing 6 is axially mounted, that is inserted in the direction of the axis of rotation 8 of the drive shaft 4 and the electric motor 3 in a bearing seat.
  • FIG. 2a shows, in a sectional view, the roller bearing 6 or deep groove ball bearing 7 and a part 10 of the advantageously two-part bearing seat arrangement 9.
  • the part 10 has an open-edged recess 11 for radially receiving a region of the roller bearing 6.
  • the rolling bearing 6 receiving recess 11 is advantageously formed such that its shape substantially corresponds to that of the rolling bearing 6 and thus this axially and radially (at least areawise) fixed.
  • one half of the rolling bearing 6 and the outer ring 12 of the rolling bearing 6 is inserted into the recess 11.
  • the part 10 of the bearing seat assembly 9 is advantageously formed by a housing part 13 of the drive device 1.
  • FIG. 2 b shows the bearing seat arrangement 9 from FIG. 2 a, with a second one being shown on the part 10
  • Part 14 of the bearing seat assembly 9 is applied and receives the remaining half of the rolling bearing 6 in an open-edged recess 15.
  • the recesses 11 and 15 are advantageously each formed semicircular cylindrical, so that the rolling bearing 6 and the outer ring 12 is in surface contact with the bearing seat assembly 9 over its entire circumference.
  • the part 14 is formed as a separate part 16, in particular as a separate molded part.
  • the part 10 has blind holes 17, which are partially provided with a thread 18.
  • the part 14 has through holes 19 through which a screw can be guided in each case and screwed into the thread 18.
  • Holes 19 have a countersink 20, so that the screw head of a screw, not shown here in the part 14 can be sunk.
  • the parts 10 and 14 continue to have substantially (semi-) circular cylindrical recesses 21 and 22 whose radius is smaller than that of the recesses 11 and 15, respectively, so that only the outer ring 12 of the rolling bearing 6 and the deep groove ball bearing 7 of the parts 10 and 14th is enclosed.
  • the cooling of the rolling bearing 6 is promoted.
  • this makes it possible that the drive shaft 4 can be guided by the bearing seat assembly 9.
  • FIG. 3a and 3b show by way of example the drive device 1 in a plan view (FIG. 3a) and a side view (FIG. 3b) of a section along the axis of rotation 8 of the drive device 1.
  • the drive device 1 of the windshield wiper drive 2 has a housing part 23 and the electric motor 3 a worm wheel 5 having the housing part 24, wherein the housing part 23 receives the housing part 24 at an open end 25 partially.
  • the shaft 4 is mounted by means of a rolling bearing 27.
  • the housing part 24 forms the part 10 of the rolling bearing 6 fixing bearing seat assembly 9.
  • the other part 14 is, as shown in the figure 3a, introduced into a recess 28 of the housing part 24 and as in Figures 2a and 2b bolted to the part 10.
  • the housing part 24 further has a substantially circular cylindrical receptacle 29, as shown in Figure 3b, which receives a not shown here operating shaft of a windshield wiper, which is operatively connected to the worm wheel 5.
  • bearing seat assembly 9 as a two-part bearing seat assembly, of which the part 10 is formed by the housing part 24 and the part 14 of a separate part 16, allows a particularly simple assembly of the drive device 1, even during the design of the designer much more freedom of design for the
  • Drive device 1 are given.
  • the diameter of the worm wheel 5 is smaller than that of the opening formed by the recesses 21 and 22, through which the worm wheel 5 would normally have to be guided during assembly.
  • this is formed by a housing cover.
  • the region above the axis of rotation 8 of the housing part 24 shown in FIG. 3 a could be designed as a housing cover and in this case have the part 14 in one piece.
  • the drive device 1 shown in FIG. 1 could be inserted radially into the housing part 24 in a simple manner, the housing cover described above then being mounted, and thus the rolling bearing 6 being radially and axially fixed, and subsequently the housing part 23 is connected to the housing part 24.
  • FIGS 4a and 4b show an alternative embodiment of
  • Bearing seat assembly 9 with a part 30 formed by the housing part 30, which substantially corresponds to the part 10, with the difference that in each case a projection 31 is provided in the edge region, which is slightly higher than the radius of the outer ring 12 of the rolling bearing 6 is formed.
  • a projection 31 is provided in the edge region, which is slightly higher than the radius of the outer ring 12 of the rolling bearing 6 is formed.
  • bolts 32 are used for fastening a separate part 33, which substantially corresponds to the part 14, wherein the bolts 32 in obliquely arranged bores 34, through the part 33 in the part 30 protrude, are introduced.
  • the rolling bearing 6 radially receiving open-edged recesses 11 and 15 will not be described further here, since they are similar to those in Figures 2a and 2b correspond.
  • FIG. 4 c shows the bearing seat arrangement 9 of FIGS. 4 a and 4 b in a sectional view, whereby, of course, only the outer ring 12 of the roller bearing 6 is actually in physical contact with the part 33.
  • the projections 31 and the part 33 on a mounting guide which ensure an alignment of the rolling bearing receiving recesses 11, 15.
  • the projections 31 and the part 33 on a mounting guide which ensure an alignment of the rolling bearing receiving recesses 11, 15.
  • the part 33 can also be axially guided through the recess 28 by the housing part 24, as shown in FIG. 3a for the part 14.
  • FIGS. 5a to 5c show a further exemplary embodiment of the bearing seat arrangement 9 according to the invention.
  • FIGS. 5a and 5b show a plan view of a part 35 which essentially corresponds to the part 10, with the difference that the recess 11 accommodating the rolling bearing 6 is designed in this way is that it receives the entire rolling bearing 6.
  • the recess 11 is formed so that the rolling bearing 6 is radially introduced.
  • the part 35 is formed by the housing part 24.
  • the second part of the bearing seat assembly is formed by a part 36, wherein the part 36 is formed as a separate part which is U-shaped and in the attached state, at least a portion of the part 35 and a portion of Outer ring 12 of the rolling bearing 6 encloses.
  • a recess 37 of the part 36 is advantageously at least partially circular cylindrical, so that a surface contact with the outer ring 12 of the rolling bearing 6 is formed.
  • the side 38 opposite the side 38 could also be designed such that the part 36 also forms a region of the side 39 of the side Part 35 would enclose.
  • Figures 6a and 6b show the bearing seat assembly 9 of Figures 5a to 5c with the difference that the part 35 has a much wider recess 21, whereby a better cooling of the rolling bearing 6 is ensured.
  • FIGS. 7a and 7b show a further exemplary embodiment of the bearing seat arrangement 9 according to the invention, this essentially corresponding to the bearing seat arrangement 9 illustrated in FIGS. 4a and 4b, for which reason the same reference numerals are used in FIGS. 7a and 7b.
  • the difference from the bearing seat arrangement 9 shown in FIGS. 4a and 4b is that the part 33 does not completely accommodate the exposed half of the roller bearing 6, but only a portion thereof, similar to the bearing seat arrangement 9 shown in FIGS. 5a to 6b.
  • the part 33 on a shoulder 40 which is formed on the projections 31, rests, and thus sunk arranged ( Figure 7b).
  • the separate part 14, 33 or 36 formed in the housing part 10, 30 and 35 is locked.
  • the separate part 14, 33, 36 as a deep-drawn part 41, as shown in Figure 8, be formed.
  • the deep-drawn part 41 has on its sides in each case an elastically displaceable latching element 42, which is first displaced in a corresponding receptacle in the direction of the arrows 43 when introducing the deep-drawn part 41, and upon reaching a fixing position (in which the rolling bearing 6 is fixed) due to their Eigenelasticity shift against the arrows 43 to the outside and thereby engage in a locking recess, so that a retraction of the part 41 in the direction of the arrow 44 is not possible.
  • the deep-drawn part 41 has a substantially circular cylindrical recess formed as a recess 45 for the outer ring 12 of the rolling bearing 6.
  • FIG. 9 shows a further variant of a deep-drawn part 46 with elastically displaceable locking elements 47, which, however, are not arranged radially as shown in FIG. 8, but axially on the deep-drawn part 46.
  • the deep-drawn part 41 or 46 can be used either as a separate part of the bearing seat arrangement 9 or as an additional fastening element which secures the respective separate part 14, 33 or 36.
  • the above described parts 10, 30 and 35 are, as already stated, according to the invention integrally formed with the housing part 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne un ensemble siège de palier (9) pour l'immobilisation axiale et radiale d'une bague extérieure (12) d'un palier à roulement (6) d'un dispositif d'entraînement (1), notamment d'un entraînement d'essuie-glace (2). Le dispositif d'entraînement (1) présente au moins un élément boîtier (24) et l'ensemble siège de palier (9) est réalisé radialement en deux parties, une de ces parties (10, 30, 35) étant formée par l'élément boîtier (24) et l'autre partie (14, 33, 36) étant formée par un élément séparé (16), notamment par un élément moulé.
EP07821453A 2006-12-15 2007-10-17 Ensemble siège de palier pour immobilisation axiale et radiale Withdrawn EP2102041A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006059346.4A DE102006059346B4 (de) 2006-12-15 2006-12-15 Lagersitzanordnung zur axialen und radialen Fixierung
PCT/EP2007/061088 WO2008071490A1 (fr) 2006-12-15 2007-10-17 Ensemble siège de palier pour immobilisation axiale et radiale

Publications (1)

Publication Number Publication Date
EP2102041A1 true EP2102041A1 (fr) 2009-09-23

Family

ID=38828414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07821453A Withdrawn EP2102041A1 (fr) 2006-12-15 2007-10-17 Ensemble siège de palier pour immobilisation axiale et radiale

Country Status (5)

Country Link
EP (1) EP2102041A1 (fr)
KR (1) KR20090087923A (fr)
BR (1) BRPI0719649A2 (fr)
DE (1) DE102006059346B4 (fr)
WO (1) WO2008071490A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009019725A1 (de) 2009-05-05 2010-11-11 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Verfahren zur Montage einer Antriebsbaugruppe eines Kraftfahrzeugs
CN106663991B (zh) * 2014-07-15 2019-09-06 株式会社美姿把 无刷雨刮电机

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Publication number Priority date Publication date Assignee Title
DE7936679U1 (de) * 1981-06-11 Kuhbier GmbH & Co, 5272 Wipperfürth Kunststoff-Stehlagergehäuse
US2872253A (en) * 1956-10-01 1959-02-03 Gen Motors Corp Pillow block
DE3605355A1 (de) * 1986-02-20 1987-08-27 Skf Gmbh Verfahren zum einstellen von maschinenteilen
DE3726751A1 (de) * 1987-08-12 1989-02-23 Ksb Ag Lagergehaeuse fuer horizontale oder vertikale antriebs- oder arbeitsmaschinen
JPH11210774A (ja) * 1998-01-13 1999-08-03 Jae-Kuen Su ベアリングハウジング
JP3893890B2 (ja) * 2001-03-21 2007-03-14 東海ゴム工業株式会社 防振ブッシュ組付体
JP2002333015A (ja) * 2001-05-09 2002-11-22 Asmo Co Ltd 機器における回転軸支持構造及び回転軸支持方法
DE10250733B4 (de) * 2001-11-16 2006-01-26 Daimlerchrysler Ag Getriebe mit einer Lagereinheit
US7393141B2 (en) * 2003-09-22 2008-07-01 The Timken Company Bearing arrangement for a vehicle differential
FR2876630B1 (fr) * 2004-10-15 2007-01-19 Renault Sas Groupe motopropulseur comportant un palier relais de transmission realise par cassure
DE102004061614B4 (de) * 2004-12-17 2009-11-26 Ab Skf Vorrichtung
KR100740704B1 (ko) * 2006-04-19 2007-07-18 동양기전 주식회사 모터 조립체

Non-Patent Citations (1)

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Title
See references of WO2008071490A1 *

Also Published As

Publication number Publication date
WO2008071490A1 (fr) 2008-06-19
DE102006059346B4 (de) 2016-06-23
KR20090087923A (ko) 2009-08-18
DE102006059346A1 (de) 2008-06-19
BRPI0719649A2 (pt) 2013-12-10

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