EP1706634B1 - Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant - Google Patents

Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant Download PDF

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Publication number
EP1706634B1
EP1706634B1 EP04801921A EP04801921A EP1706634B1 EP 1706634 B1 EP1706634 B1 EP 1706634B1 EP 04801921 A EP04801921 A EP 04801921A EP 04801921 A EP04801921 A EP 04801921A EP 1706634 B1 EP1706634 B1 EP 1706634B1
Authority
EP
European Patent Office
Prior art keywords
valve
fuel inlet
longitudinal axis
fuel
inlet stub
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.)
Expired - Fee Related
Application number
EP04801921A
Other languages
German (de)
English (en)
Other versions
EP1706634A1 (fr
Inventor
Ferdinand Reiter
Martin Maier
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 EP1706634A1 publication Critical patent/EP1706634A1/fr
Application granted granted Critical
Publication of EP1706634B1 publication Critical patent/EP1706634B1/fr
Expired - Fee Related 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/505—Adjusting spring tension by sliding spring seats
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9015—Elastomeric or plastic materials

Definitions

  • the invention relates to a method for producing a fuel injection valve according to the preamble of claim 1 and of a fuel injection valve according to the preamble of claim 5.
  • FIG. 1 a known fuel injection valve is shown in the prior art, which has a classic top-feed structure, which is characterized in that all flow-leading components of the injection valve along a valve longitudinal axis extending, wherein the flow inlet is connected to a connecting piece of a fuel distributor and the flow outlet downstream of the sealing seat is directed into an intake pipe or directly into a combustion chamber of an internal combustion engine.
  • a fuel injection valve which is electromagnetically actuated in a conventional manner.
  • the injection valve has an inlet connection, which is arranged away from a valve longitudinal axis.
  • the injection valve also has a housing body, in which all relevant valve components are installed, so that fuel between the inlet nozzle and a fuel outlet can be supplied under pressure to a valve seat, with which a valve closing body cooperates.
  • the housing body becomes Covered on the inflow side with a cover-like closure body, which also has an outlet connection for excess fuel and electrical plug contacts which is aligned with the valve longitudinal axis in addition to the inlet connection.
  • the inventive method for producing a fuel injection valve having the characterizing features of claim 1 has the advantage that in a particularly simple and cost-effective manner, fuel injectors with low heights for cramped conditions, e.g. can be produced in motorcycles.
  • the fuel injection valve according to the invention with the characterizing features of claim 4 already completely with respect to the stroke of the axially movable valve member and the dynamic and static flow rate finished in the actual functional part of the injection valve is present, so that subsequently easily mounting an even of the Escape the valve longitudinal axis deviating, angled Brennstoffeinlassstutzens in a connection part of the injector to the functional part can be done by firmly connecting.
  • fuel injection valves can be produced which have fuel inlet stubs whose angle to the valve longitudinal axis is variable between 0 ° and 90 °.
  • Such a trained unilaterally angled inlet nozzle also offers very easy the possibility of accurate positioning of the injector or a simplified Vercardfix ist.
  • the fuel inlet port is provided with a sawtooth-like profile at its upstream end so as to allow easy connection to a fuel supply hose pushed onto the sawtooth-like profile and a hose clamp. In this way, further sealing measures, such as O-rings omitted.
  • FIG. 1 a fuel injection valve according to the prior art with a running in the direction of the valve longitudinal axis top feed supply with fuel
  • FIG. 2 a Brennscherinlassstutzen according to the prior art with hose connection option and also to the valve longitudinal axis aligned fuel supply
  • FIG. 3 a fuel inlet with hose connection option and about 90 ° to the valve longitudinal axis angled fuel supply.
  • FIG. 3 Before using the FIG. 3 the method steps of the method for producing a fuel injection valve according to the invention will be described, is based on FIG. 1 a fuel injection valve of the prior art, which is designed as a so-called top-feed injection valve, will be explained in more detail in its basic structure.
  • eletromagnetromagnetisch operated valve in the form of an injection valve for fuel injection systems of mixture-compressing, spark-ignited Brennkrafonaschinen has one of a magnetic coil 1 surrounded, serving as an inner pole and partially as a fuel flow largely tubular core 2.
  • the magnetic coil 1 is of an outer, sleeve-shaped and stepped running, z.
  • the magnetic coil 1, the core 2 and the valve shell 5 together form an electrically excitable actuator.
  • solenoid coil 1 While embedded in a bobbin 3 solenoid coil 1 surrounds a valve sleeve 6 from the outside, the core 2 in an inner, concentric with a valve longitudinal axis 10 extending opening 11 of the valve sleeve 6 is introduced.
  • the e.g. Ferritic valve sleeve 6 is elongated and thin-walled.
  • the opening 11 is used u.a. as a guide opening for a valve needle 14 which is axially movable along the valve longitudinal axis 10.
  • the valve sleeve 6 extends in the axial direction, e.g. over approximately half of the total axial extent of the fuel injection valve.
  • valve seat body 15 is further arranged in the opening 11, which is fastened to the valve sleeve 6, for example by means of a weld 8.
  • the valve seat body 15 has a fixed valve seat surface 16 as a valve seat.
  • the valve needle 14 is formed for example by a tubular anchor portion 17, a likewise tubular needle portion 18 and a spherical valve closing body 19, wherein the valve closing body 19 is connected for example by means of a weld fixed to the needle portion 18.
  • a cup-shaped spray perforated disk 21 is arranged, whose bent and circumferentially encircling retaining edge 20 is directed against the flow direction upwards.
  • valve seat body 15 and spray disk 21 The solid connection of the valve seat body 15 and spray disk 21 is z. B. realized by a circumferential tight weld.
  • z. B. realized by a circumferential tight weld.
  • one or more transverse openings 22 are provided, so that the armature portion 17 in an inner longitudinal bore 23 by flowing fuel to the outside and can flow on the valve closing body 19, for example, at flats 24 to the valve seat surface 16.
  • the actuation of the injection valve takes place in a known manner electromagnetically.
  • the electromagnetic circuit with the solenoid coil 1, the inner core 2, the outer valve shell 5 and the anchor portion 17 of the Anchor portion 17 is aligned with the valve closing body 19 facing away from the end of the core 2.
  • the spherical valve closing body 19 cooperates with the valve seat surface 16 of the valve seat body 15, which tapers in the direction of the flow of the truncated cone and which is formed in the axial direction downstream of a guide opening in the valve seat body 15.
  • the spray perforated disc 21 has at least one, for example, four ejection openings 27 formed by erosion, laser drilling or punching.
  • the insertion depth of the core 2 in the injection valve is decisive for the stroke of the valve needle 14.
  • the one end position of the valve needle 14 is fixed in the non-energized magnetic coil 1 by the contact of the valve closing body 19 on the valve seat surface 16 of the valve seat body 15, while the other End position of the valve needle 14 results in energized solenoid coil 1 by the system of the anchor portion 17 at the downstream end of the core.
  • the stroke is adjusted by an axial displacement of the core 2, for example, produced by a machining process such as turning, which is subsequently connected firmly to the valve sleeve 6 according to the desired position.
  • an adjustment in the form of an adjusting sleeve 29 is inserted.
  • the adjusting sleeve 29 is used to adjust the spring preload applied to the adjusting sleeve 29 return spring 25, which in turn is supported with its opposite side to the valve needle 14, wherein also setting the dynamic Abspritzmenge with the Adjusting sleeve 29 takes place.
  • a fuel filter 32 is disposed above the adjusting sleeve 29 in the valve sleeve 6.
  • the injector described so far is characterized by its particularly compact design. These components form a preassembled independent assembly, which is called function part 30 below.
  • the functional part 30 thus essentially comprises the electromagnetic circuit 1, 2, 5 as an actuator and a sealing valve (valve closing body 19, valve seat body 15) with a subsequent jet treatment element (spray perforated disk 21) and as the base body, the valve sleeve. 6
  • connection part 40 is characterized above all by the fact that it comprises the electrical and the hydraulic connection of the fuel injection valve. With the method steps according to the invention, the compactness of the entire fuel injection valve should be further increased, in particular by a targeted shaping of the connection part 40, in that the height of the fuel injection valve can be reduced.
  • the partially executed as a plastic part connector 40 has a metal fuel inlet 41 and this fuel inlet 41 stabilizing, protective and surrounding tubular body 42 made of plastic.
  • a concentric to the valve longitudinal axis 10 extending flow bore 43 of a pipe 44 of the Brennscherinlassstutzens 41 serves as a fuel inlet and is flowed through by the fuel from the inflow end of the fuel injection valve in the axial direction.
  • a hydraulic connection of connecting part 40 and functional part 30 is achieved in the fully assembled fuel injection valve in that the flow holes 43 and 28 of both modules are brought to each other so that an unimpeded flow through the fuel is ensured.
  • a lower end 47 of the tube 44 protrudes into the opening 11 in order to increase the connection stability the valve sleeve 6 into it.
  • the main body 42 made of plastic can be sprayed onto the functional part 30 so that the plastic immediately surrounds parts of the valve sleeve 6 and of the valve jacket 5.
  • a secure seal between the functional part 30 and the main body 42 of the connecting part 40 is achieved, for example, via a labyrinth seal 46 on the circumference of the valve jacket 5.
  • To the base body 42 includes a mitangespritzter electrical connector 56. At its opposite end of the connector 56, the contact elements with the solenoid coil 1 are electrically connected.
  • connection parts 40 with fuel inlet 41 are partially shown. It is in FIG. 2 again indicated that it is necessary in conventional known fuel injectors to arrange the fuel inlet port 41 parallel to the axis and in alignment with the valve longitudinal axis 10 in order to have access at any time for necessary adjustment measures within the valve access of corresponding adjustment tools.
  • the inventive method for producing a fuel injection valve is characterized in that it is possible to provide a fuel inlet 41 at the fuel injection valve, which extends from an upstream inlet opening 60 at an angle ⁇ to the valve longitudinal axis 10 which is greater than 0 ° and less than or equal to 90th ° is.
  • a fuel inlet 41 at the fuel injection valve, which extends from an upstream inlet opening 60 at an angle ⁇ to the valve longitudinal axis 10 which is greater than 0 ° and less than or equal to 90th ° is.
  • the fuel inlet port 41 extends at an angle ⁇ of 90 ° to the valve longitudinal axis 10 in a first angled portion 62.
  • the inlet opening 60 spans a plane which runs parallel to the valve longitudinal axis 10.
  • the fuel inlet stub 41 ends with a second axis-parallel section 63 on the valve longitudinal axis 10.
  • the fuel inlet stub 41 extends in its section 63 in alignment and thus coaxially with the valve
  • the production of the fuel injection valve is carried out in such a way that first the functional part 30 of the valve is produced, which includes the actuator 1, 2, 5 and the sealing valve 15, 19 comprises.
  • the valve sleeve 6 is provided.
  • This manufacturing process is followed by a setting process in which the setting of the stroke of the axially movable valve member (valve needle 14, valve closing member 19) as well as the dynamic and static flow rate are already fully carried out.
  • the fuel inlet stub 41 is firmly connected to the functional part 30 such that the fuel inlet stub 41 ends on the valve longitudinal axis 10.
  • the fuel inlet nozzle 41 is inserted with its end 47 of the axially parallel portion 63, for example, in the opening 11 of the valve sleeve 6 and subsequently attached to the valve sleeve 6 of the functional part 30 by welding, in particular laser welding. In addition to welding, other joining methods such as soldering, gluing or locking can be used.
  • the fuel inlet port 41 is subsequently encapsulated, for example, with the tubular body 42 made of plastic.
  • a mitangespritzter connector 56 may belong to the main body 42.
  • the fuel inlet port 41 is provided with a sawtooth-like profile 61 at its upstream end in the region of the angled portion 62, so that a simple connection with a not shown fuel-feeding hose, which is pushed onto the sawtooth-like profile, and a hose clamp is enabled. In this way, further sealing measures, such as O-rings omitted.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (7)

  1. Procédé de fabrication d'une soupape d'injection de carburant, qui présente un axe longitudinal de soupape (10), une tubulure d'entrée de carburant (41), un corps de fermeture de soupape (19), qui peut être déplacé axialement le long de l'axe longitudinal de la soupape (10) et qui coopère avec un siège de soupape (16) prévu sur un corps de siège de soupape (15), et au moins une ouverture de pulvérisation (27) en aval du siège de soupape (16), dans lequel
    - une partie fonctionnelle (30) de la soupape est créée, laquelle comprend un actionneur (1, 2, 5) et une soupape d'étanchéité (15, 19),
    - cette partie fonctionnelle (30) est ajustée en termes de course et de quantités d'écoulement,
    - séparément de cela, une tubulure d'entrée de carburant (41) est mise à disposition, laquelle s'étend en commençant par une ouverture d'entrée (60) suivant un angle (α) par rapport à l'axe longitudinal de la soupape (10), qui est supérieur à 0° et inférieur ou égal à 90°, et
    - la tubulure d'entrée de carburant (41) est connectée fixement à la partie fonctionnelle (30) de telle sorte que la tubulure d'entrée de carburant (41) se termine sur l'axe longitudinal de la soupape (10),
    caractérisé en ce que
    la tubulure d'entrée de carburant (41) est fabriquée sous forme de tube en métal à paroi mince (44), puis la connexion fixe de la tubulure d'entrée de carburant (41) à la partie fonctionnelle (30) a lieu, et ensuite la tubulure d'entrée de carburant (41), après sa fixation, est au moins partiellement enveloppée par un corps de base (42) en plastique.
  2. Procédé selon la revendication 1, caractérisé en ce que la tubulure d'entrée de carburant (41) est fixée sur une douille de soupape (6) de la partie fonctionnelle (30).
  3. Procédé selon la revendication 2, caractérisé en ce que la fixation de la tubulure d'entrée de carburant (41) s'effectue au moyen d'un soudage, notamment d'un soudage au laser.
  4. Soupape d'injection de carburant pour des installations d'injection de carburant de moteurs à combustion interne, comprenant un axe longitudinal de soupape (10), avec une tubulure d'entrée de carburant (41), avec un corps de fermeture de soupape (19), qui peut être déplacé axialement le long de l'axe longitudinal de la soupape (10) et qui coopère avec un siège de soupape (16) prévu sur un corps de siège de soupape (15), et au moins une ouverture de pulvérisation (27) en aval du siège de soupape (16), dans lequel la tubulure d'entrée de carburant (41) s'étend, en commençant depuis une ouverture d'entrée (60), suivant un angle (α) par rapport à l'axe longitudinal de la soupape (10), qui est supérieur à 0° et inférieur ou égal à 90° et se termine finalement sur l'axe longitudinal de la soupape (10),
    caractérisée en ce que
    la tubulure d'entrée de carburant (41) est formée par un tube en métal à paroi mince (44) qui est incorporé au moins en partie dans un corps de base (42) en plastique.
  5. Soupape d'injection de carburant selon la revendication 4, caractérisée en ce que l'ouverture d'entrée (60) couvre un plan qui s'étend parallèlement à l'axe longitudinal de la soupape (10).
  6. Soupape d'injection de carburant selon la revendication 4, caractérisée en ce que le corps de base (42) n'entoure sensiblement qu'une portion (63) de la tubulure d'entrée de carburant (41) s'étendant avec son axe parallèle.
  7. Soupape d'injection de carburant selon l'une quelconque des revendications 4 à 6, caractérisée en ce que la tubulure d'entrée de carburant (41) est pourvue à son extrémité amont d'un profilé en dents de scie (61).
EP04801921A 2003-12-23 2004-11-10 Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant Expired - Fee Related EP1706634B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003160774 DE10360774A1 (de) 2003-12-23 2003-12-23 Verfahren zur Herstellung eines Brennstoffeinspritzventils und Brennstoffeinspritzventil
PCT/EP2004/052904 WO2005064148A1 (fr) 2003-12-23 2004-11-10 Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1706634A1 EP1706634A1 (fr) 2006-10-04
EP1706634B1 true EP1706634B1 (fr) 2009-08-26

Family

ID=34706488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04801921A Expired - Fee Related EP1706634B1 (fr) 2003-12-23 2004-11-10 Procede de production d'une soupape d'injection de carburant, et soupape d'injection de carburant

Country Status (6)

Country Link
EP (1) EP1706634B1 (fr)
JP (1) JP4096008B2 (fr)
CN (1) CN100449141C (fr)
BR (1) BRPI0406513A (fr)
DE (2) DE10360774A1 (fr)
WO (1) WO2005064148A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4177775B2 (ja) 2004-03-16 2008-11-05 株式会社東芝 半導体基板及びその製造方法並びに半導体装置
DE102005037953B4 (de) * 2005-08-11 2016-12-08 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005061410A1 (de) * 2005-12-22 2007-06-28 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
DE102005061424A1 (de) * 2005-12-22 2007-07-05 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005061408A1 (de) 2005-12-22 2007-06-28 Robert Bosch Gmbh Kunststoff-Metall-Verbindung und Brennstoffeinspritzventil mit einer Kraftstoff-Metall-Verbindung
JOP20190060A1 (ar) * 2016-09-26 2019-03-26 Chugai Pharmaceutical Co Ltd مشتق بيرازولو بيريدين له تأثير مساعد لمستقبل glp-1

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127146A5 (fr) 1971-02-25 1972-10-13 Brev Etudes Sibe
GB8709712D0 (en) * 1987-04-24 1987-05-28 Lucas Ind Plc Fuel injection nozzle
JP2508776B2 (ja) * 1987-12-21 1996-06-19 いすゞ自動車株式会社 直噴式ディ―ゼルエンジンの燃料噴射ノズル
DE19829380A1 (de) * 1998-07-01 2000-01-05 Bosch Gmbh Robert Brennstoffeinspritzventil und Verfahren zur Herstellung eines Brennstoffeinspritzventiles
DE10008554A1 (de) * 2000-02-24 2001-08-30 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
JP3829704B2 (ja) * 2001-11-30 2006-10-04 株式会社デンソー 燃料噴射弁
JP3884310B2 (ja) * 2002-03-22 2007-02-21 愛三工業株式会社 電磁式燃料噴射弁
JP4082929B2 (ja) * 2002-05-21 2008-04-30 株式会社日立製作所 燃料噴射弁

Also Published As

Publication number Publication date
WO2005064148A1 (fr) 2005-07-14
DE502004009983D1 (de) 2009-10-08
JP4096008B2 (ja) 2008-06-04
DE10360774A1 (de) 2005-07-28
EP1706634A1 (fr) 2006-10-04
JP2006510852A (ja) 2006-03-30
CN100449141C (zh) 2009-01-07
CN1898467A (zh) 2007-01-17
BRPI0406513A (pt) 2005-12-20

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