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WO2012150075A1 - Distributeur de carburant - Google Patents

Distributeur de carburant Download PDF

Info

Publication number
WO2012150075A1
WO2012150075A1 PCT/EP2012/054529 EP2012054529W WO2012150075A1 WO 2012150075 A1 WO2012150075 A1 WO 2012150075A1 EP 2012054529 W EP2012054529 W EP 2012054529W WO 2012150075 A1 WO2012150075 A1 WO 2012150075A1
Authority
WO
WIPO (PCT)
Prior art keywords
passage opening
fuel
fuel distributor
longitudinal axis
distributor according
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.)
Ceased
Application number
PCT/EP2012/054529
Other languages
German (de)
English (en)
Inventor
Henning Kreschel
Egon Stratmann
Markus Feigl
Holger UHRIG
Nikolaus Hautmann
Dietmar Uhlenbrock
Martin GOEHNER
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
Priority to RU2013153136/06A priority Critical patent/RU2603713C2/ru
Priority to EP12709851.5A priority patent/EP2705242B1/fr
Priority to CN201280021132.1A priority patent/CN103502625B/zh
Publication of WO2012150075A1 publication Critical patent/WO2012150075A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8046—Fuel injection apparatus manufacture, repair or assembly the manufacture involving injection moulding, e.g. of plastic or metal
    • 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 fuel distributor, in particular for
  • the invention relates to the field of as
  • Fuel rail is used, which is designed for high pressure applications made of steel or aluminum. As a result, a compressive strength for pressures of, for example, 20 MPa (200 bar) can be achieved. However, this massive design of the suitable for high pressure applications Rails is associated with high production costs.
  • Fuel rail manifolds may also be used for low pressure applications at 0.3 MPa (3 bar) to 0.5 MPa (5 bar) for such applications.
  • thin-walled steel tubes can serve to produce the fuel distributor.
  • the scope of such fuel rail for low pressure applications is limited to the low pressure range mentioned. Disclosure of the invention
  • the fuel distributor according to the invention with the features of claim 1 has the advantage that a compressive strength of the fuel distributor is improved. Specifically, a suitable for a medium pressure fuel distributor with comparatively low
  • the tubular base body is formed as an injection molded part, wherein an injection direction is parallel to the longitudinal axis of the tubular base body. Due to the eccentric arrangement of the through hole, the stress level under load can be reduced overall. By the injection direction along the longitudinal axis results in the injection direction behind the passage opening a Bindenaht. Due to the eccentric arrangement of this Bindenaht is positioned obliquely. Since the strength is thereby improved, the tubular base body with respect to a desired load capacity, in particular a pressure level, made of plastic with a reduced
  • Wall thickness can be produced. As a result, the cycle time, which depends essentially on the cooling time during injection molding, can be reduced.
  • a non-concave embodiment here comprises a somewhat rectilinear configuration and a convex configuration.
  • the arrangement of the weld line at the non-concave portion of the edge of the passage opening, the weld line is in the range of lower mechanical stresses.
  • the weld line is arranged away from occurring stress peaks in the region of concave curves of the edge of the passage opening. Since the local material strength is reduced in the region of the weld line, but at the same time the stress distribution in the tubular body is influenced so that the stresses are reduced to the weld line, the strength of the tubular
  • Through hole is designed as a slot-shaped passage opening and that the slot-shaped passage opening is aligned in a circumferential direction with respect to the longitudinal axis.
  • the slot-shaped passage opening allows the arrangement of the weld line in the region of the straight edge section, so that the weld line is removed from the stress peaks in the region of the curves of the slot-shaped passage opening.
  • an edge of the passage opening in the region of the weld line is convex toward the weld line. As a result, the stresses occurring in the region of the weld line in the plastic can also be reduced. It is also advantageous that an opening width of the passage opening in the
  • Circumferential direction with respect to the longitudinal axis is greater than an opening width of
  • an oval configuration can be realized in which, in the region of the weakest curvature of the oval passage opening, the weld line adjoins the passage opening.
  • Passage opening is at least partially. Since the non-concave surface is provided only in the region of the passage opening, the configuration of the non-concave surface can be realized by only a slight thickening of the wall of the tubular base body. This demolding technology can thus be easily realized, with the cycle time, in particular cooling time, only slightly extended during injection molding. Although the tension can also be reduced and laid outside the weld line due to a large area, the wall thickness increases more strongly, which adversely affects the cycle time and thus increases the production costs.
  • Fuel chamber is located on both sides within the opening width of the passage opening in the circumferential direction.
  • the strength can be increased locally, especially in the weakened by the Bindenaht local area of the tubular body formed of plastic.
  • the maximum voltage itself as well as the volume in which the high voltage is applied, reduced.
  • the component load capacity increases.
  • the non-concave surface is designed on the inner wall as at least approximately flat surface. Due to the planar configuration of the non-concave surface, a certain increase in the material thickness or wall thickness can be achieved, which, however, is insignificant in terms of cooling and thus extends the cycle time, in particular the cooling time, during injection molding only insignificantly.
  • the component load capacity can be improved without the
  • Fig. 1 shows a fuel distributor in a schematic sectional view of
  • Fig. 2 shows a fuel distributor in a schematic sectional view of
  • Fig. 1 shows a fuel distributor 1 in a partial, schematic
  • the fuel distributor 1 has a tubular base body 3. Specifically, the tubular base body 3 may be configured substantially hollow cylindrical. However, other embodiments are possible. For example, those with an oval cross-section. Other elements of the fuel distributor 1 are not shown for simplicity of illustration. Such elements may include, but are not limited to, cups used for
  • the fuel distributor 1 can be designed in the form of a fuel distributor strip 1.
  • the fuel distributor 1 is particularly suitable for fuel injection systems of mixture-compressing, spark-ignited internal combustion engines.
  • the fuel distributor 1 is suitable for a medium-pressure system. The medium pressure for such a
  • Medium pressure system can be in the range of 3 MPa to 10 MPa or 30 bar to 100 bar.
  • the mean pressure may be in the range of 5 MPa to 7 MPa or 50 bar to 70 bar.
  • the fuel distributor 1 according to the invention is also suitable for other applications.
  • the tubular base body 3 has an inner wall 4, which is designed substantially cylinder jacket-shaped.
  • the inner wall 4 of the tubular body 3 limits a fuel space 5 of the fuel distributor. 1
  • the fuel chamber 5 is designed here as an elongated fuel chamber 5. In operation, fuel is carried over a suitable connection of the fuel distributor 1 preferably under a medium pressure fuel in the space 5. The stress of the tubular
  • Body 3 is greater than a stress in low pressure applications. However, the stress is also lower than in high pressure applications requiring compression strength of, for example, 20 MPa (200 bar) in spark-ignited spark-ignited internal combustion engines.
  • the tubular base body 3 is made of a plastic, which is preferably designed as an injection molded part.
  • An injection direction 6 (FIG. 2) is selected here at least approximately parallel to the longitudinal axis 2 of the tubular main body 3.
  • Through holes 7, 8 illustrate this case possible embodiments for a plurality of through holes, which are configured, for example along the axis 2 one behind the other on the tubular base body 3, to allow a connection with a corresponding number of cups of the fuel distributor 1.
  • through-holes can also serve for other purposes.
  • the passage openings 7, 8 have centrally through the passage opening 7, 8 extending axes 20, 21. However, the axes 20, 21 do not point to the longitudinal axis 2, since the passage openings 7, 8 eccentric to the center through the elongated
  • the axes 20, 21 are in each case oriented eccentrically to the longitudinal axis 2.
  • tubular body 3 in the region of the passage openings 7, 8 and thus improved overall.
  • the inner wall 4 is relative to a circumferential direction 22 of the longitudinal axis of the second
  • the circumferential direction 22 here refers to the longitudinal axis 2.
  • the inner wall 4 in the region of the passage openings 20, 21 at least partially not concave.
  • Such non-concave surfaces 23, 24 are provided at the passage openings 7, 8. By the non-concave surfaces 23, 24, the load capacity in the region of the through holes 7, 8 is further improved.
  • the non-concave surface 23 is here as flat surface 23 configured. The flat surface 23 extends along a
  • a wall thickness 28 in the region of the passage opening 7 is somewhat increased, this increase in terms of the cycle time, in particular cooling time, during injection molding but only slightly.
  • the strength in the region of the through opening 7 thus improves.
  • the improved local strength in this case relates in particular to a weld line, which is also described with reference to FIG. 2.
  • the non-concave surface 24 at the passage opening 8 is configured as a convex surface 24.
  • the convex surface 24 extends in the longitudinal direction 25 on both sides via the passage opening 8.
  • an extent 29 of the convex surface 24 is smaller than an opening width 30 of the
  • the occurring in the region of the passage opening 8 enlargement of the wall thickness 28 is optimized in terms of volume. Specifically, in relation to the occurring increase in volume in the region of the passage opening 8, the wall thickness 28 at a weld line can be set comparatively large, without this adversely affecting the cycle time, in particular cooling time, during injection molding.
  • Fig. 2 shows a fuel distributor 1 in a partial, schematic
  • passage openings 9 to 15 corresponding to possible embodiments of the invention are shown.
  • the passage openings 9 to 15 corresponding to the passage openings 7, 8 are preferably also or additionally eccentric to the center through the elongated
  • Fuel chamber 5 extending longitudinal axis 2 on the inner wall 4 of the tubular body 3 in the fuel space 5 out.
  • the passage opening 9 is configured at least approximately circular.
  • an opening width 31 of the passage opening 9 in the circumferential direction 22 with respect to the longitudinal axis 2 is the same size as an opening width 32 of the passage opening 9 in the longitudinal direction 25 along the longitudinal axis 2.
  • Through openings 10 to 15 each have a weld line 34 to 39th At the weld line 33, the stability of the tubular base body 3 is impaired.
  • the passage opening 10 is designed in accordance with the passage opening 9 with a circular cross-section. However, the passage opening 10 is smaller than the
  • Passage opening 9 carried out so that the stability in the region of the weld line 34 is less affected than in the region of the weld line 33 at the through hole 9.
  • the passage opening 10 is in this case carried out with respect to the allowable pressure as small as possible.
  • the passage opening 1 1 is configured at least approximately oval. As a result, an opening width 40 of the passage opening 1 1 in the circumferential direction 22 with respect to the longitudinal axis 2 is greater than an opening width 41 of the passage opening 1 1 in the
  • the passage opening 12 is designed as a slot-shaped passage opening 12.
  • the slot-shaped passage opening 12 is aligned in the circumferential direction 22 with respect to the longitudinal axis 2.
  • an edge 43 of the passage opening 12 has a straight section 44 in the region of the weld line 36.
  • the resulting in the region of the weld line 36 voltages compared to the situation at the
  • Bindenaht 37 acting stress in the tubular body 3 compared to the situation described with reference to the passage opening 12 can be further reduced.
  • the described with reference to the through holes 12 and 13 embodiments of the edge 43, 46 represent examples of through holes 12, 13, in the area of their Bindenaht 36, 37 are formed to the weld line 36, 37 out not concave.
  • the straight portion 44 and the convex portion 45 are examples of non-concave
  • Passage opening 14 designed maximally eccentric, with a bulge 47 is provided on the tubular body 3. As a result, the passage opening 14 can even be arranged eccentrically outside of the cylinder jacket-shaped remaining part of the inner wall 4.
  • an extension 50 (FIG. 2) of the non-concave surface in the longitudinal direction 25 of the oblong fuel space 5 is preferably larger than the one
  • the extension 50 projects beyond the opening width 32 at least on the side of the weld line 33 and preferably on both sides.
  • Through holes 7 to 15 can be combined with each other in a meaningful way.
  • the smallest possible cross section is always predetermined, as described with reference to the through opening 10.
  • an eccentric configuration is always predetermined, as described with reference to the passage openings 7, 8, 14, 15.
  • a non-concave surface 23, 24 is provided at the passage opening, as described with reference to the passage openings 7, 8, 9.
  • an opening width 41 in the longitudinal direction 25 is preferably smaller than an opening width 40 in the circumferential direction 22, as described with reference to the through holes 11 to 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne un distributeur de carburant (1), qui convient en particulier pour des systèmes d'injection de carburant de moteurs à combustion interne à allumage commandé comprimant le mélange et comprend un corps de base en forme de tube (3). Une paroi interne (4) du corps de base en forme de tube (3) présente une chambre de carburant (5) allongée. Le corps de base en forme de tube (3) est en matériau synthétique. Le corps de base en forme de tube (3) présente au moins un passage (7 à 15) qui débouche, de manière excentrique par rapport à un axe longitudinal (2) s'étendant au centre de la chambre à carburant (5) allongée, au niveau de la paroi interne (4) du corps de base en forme de tube (3) dans la chambre à carburant (5). La solidité du distributeur de carburant (1) peut ainsi être améliorée.
PCT/EP2012/054529 2011-05-02 2012-03-15 Distributeur de carburant Ceased WO2012150075A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2013153136/06A RU2603713C2 (ru) 2011-05-02 2012-03-15 Топливный распределитель
EP12709851.5A EP2705242B1 (fr) 2011-05-02 2012-03-15 Distributeur de carburant
CN201280021132.1A CN103502625B (zh) 2011-05-02 2012-03-15 燃料分配器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110075054 DE102011075054A1 (de) 2011-05-02 2011-05-02 Brennstoffverteiler
DE102011075054.1 2011-05-02

Publications (1)

Publication Number Publication Date
WO2012150075A1 true WO2012150075A1 (fr) 2012-11-08

Family

ID=45872943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/054529 Ceased WO2012150075A1 (fr) 2011-05-02 2012-03-15 Distributeur de carburant

Country Status (6)

Country Link
EP (1) EP2705242B1 (fr)
CN (1) CN103502625B (fr)
DE (1) DE102011075054A1 (fr)
PL (1) PL2705242T3 (fr)
RU (1) RU2603713C2 (fr)
WO (1) WO2012150075A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3043750B1 (fr) * 2015-11-17 2018-06-08 Akwel Conduit pour fluide sous pression, procede de fabrication d’un tel conduit et procede de transport mettant en œuvre un tel conduit

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197435A (en) * 1992-08-13 1993-03-30 Walbro Corporation Molded fuel injection rail
US5390638A (en) * 1994-02-25 1995-02-21 Siemens Automotive L.P. Fuel rail assembly
EP0717227A2 (fr) * 1994-12-16 1996-06-19 Perkins Limited Procédé pour réduire les contraintes à la jonction d'un système de canaux d'écoulement de fluide sous haute pression et jonction ainsi réalisée
DE10012961A1 (de) * 2000-03-16 2001-09-20 Bosch Gmbh Robert Bauteil, insbesondere Hochdruckteil für Kraftstoff-Einspritzsysteme, und Verfahren zur Herstellung eines solchen Bauteils
DE10037133A1 (de) * 2000-07-31 2002-02-14 Volkswagen Ag Kraftstoffverteilerleiste
FR2816668A1 (fr) * 2000-11-14 2002-05-17 Bosch Gmbh Robert Accumulateur de carburant a haute pression pour une installation d'injection de carburant d'un moteur a combustion interne
EP1262656A2 (fr) * 2001-05-31 2002-12-04 Siemens Aktiengesellschaft Dispositif d'alimentation en combustible
WO2003036075A1 (fr) * 2001-10-20 2003-05-01 Robert Bosch Gmbh Accumulateur haute pression, en particulier accumulateur haute pression pour carburant
EP1413744A1 (fr) * 2002-10-23 2004-04-28 Wärtsilä Schweiz AG Accumulateur de pression pour une rampe d'injection commune
EP1435454A1 (fr) * 2002-12-30 2004-07-07 Robert Bosch Gmbh Une pièce, qui soutiene une pression interne, surtout pour un moteur à explosion avec une pompe à carburant à haute pression
DE102008057517A1 (de) * 2008-11-15 2010-05-20 Daimler Ag Verteilerrohr und Verfahren zum Herstellen eines solchen Verteilerrohres

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111794A (en) * 1990-06-29 1992-05-12 Siemens Automotive L.P. Fuel rail for bottom and side fed injectors
JP3778385B2 (ja) * 1996-10-03 2006-05-24 臼井国際産業株式会社 コモンレール
JPH10160079A (ja) * 1996-10-03 1998-06-16 Usui Internatl Ind Co Ltd コモンレール
CA2230745A1 (fr) * 1997-03-03 1998-09-03 Kikuo Asada Methode permettant d'ameliorer la resistance a la fatigue par suite d'une pression repetee a la partie d'un trou de branchement dans une piece pour fluide haute pression, partie de trou de branchement de la piece pour fluide haute pression formee a l'aide de cette methode et piece pour fluide haute pression possedant une glissiere integree recevant le trou d
DE19728111A1 (de) * 1997-07-02 1999-01-07 Bosch Gmbh Robert Kraftstoffeinspritzsystem
DE19853090A1 (de) * 1998-11-18 2000-05-25 Bosch Gmbh Robert Brennstoffeinspritzanlage
JP2005140058A (ja) * 2003-11-07 2005-06-02 Denso Corp コモンレール

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197435A (en) * 1992-08-13 1993-03-30 Walbro Corporation Molded fuel injection rail
US5390638A (en) * 1994-02-25 1995-02-21 Siemens Automotive L.P. Fuel rail assembly
EP0717227A2 (fr) * 1994-12-16 1996-06-19 Perkins Limited Procédé pour réduire les contraintes à la jonction d'un système de canaux d'écoulement de fluide sous haute pression et jonction ainsi réalisée
DE10012961A1 (de) * 2000-03-16 2001-09-20 Bosch Gmbh Robert Bauteil, insbesondere Hochdruckteil für Kraftstoff-Einspritzsysteme, und Verfahren zur Herstellung eines solchen Bauteils
DE10037133A1 (de) * 2000-07-31 2002-02-14 Volkswagen Ag Kraftstoffverteilerleiste
FR2816668A1 (fr) * 2000-11-14 2002-05-17 Bosch Gmbh Robert Accumulateur de carburant a haute pression pour une installation d'injection de carburant d'un moteur a combustion interne
EP1262656A2 (fr) * 2001-05-31 2002-12-04 Siemens Aktiengesellschaft Dispositif d'alimentation en combustible
WO2003036075A1 (fr) * 2001-10-20 2003-05-01 Robert Bosch Gmbh Accumulateur haute pression, en particulier accumulateur haute pression pour carburant
EP1413744A1 (fr) * 2002-10-23 2004-04-28 Wärtsilä Schweiz AG Accumulateur de pression pour une rampe d'injection commune
EP1435454A1 (fr) * 2002-12-30 2004-07-07 Robert Bosch Gmbh Une pièce, qui soutiene une pression interne, surtout pour un moteur à explosion avec une pompe à carburant à haute pression
DE102008057517A1 (de) * 2008-11-15 2010-05-20 Daimler Ag Verteilerrohr und Verfahren zum Herstellen eines solchen Verteilerrohres

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"AUTOMOBILE NOUVELLE RAMPE D'INJECTION. \AUTOMOBILE NEW FUEL MANIFOLD", COMPOSITES.PLASTIQUES RENFORCES FIBRES DE VERRE TEXTILE, CENTRE DOC. VERRE TEXTILE PLAS RE. PARIS, FR, vol. 33, no. 2, 1 March 1993 (1993-03-01), pages 110, XP000362628, ISSN: 0754-0876 *

Also Published As

Publication number Publication date
EP2705242A1 (fr) 2014-03-12
PL2705242T3 (pl) 2016-09-30
EP2705242B1 (fr) 2016-03-09
DE102011075054A1 (de) 2012-11-08
CN103502625A (zh) 2014-01-08
RU2603713C2 (ru) 2016-11-27
CN103502625B (zh) 2017-06-09
RU2013153136A (ru) 2015-06-10

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