EP3044512A1 - Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière - Google Patents

Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière

Info

Publication number
EP3044512A1
EP3044512A1 EP14780603.8A EP14780603A EP3044512A1 EP 3044512 A1 EP3044512 A1 EP 3044512A1 EP 14780603 A EP14780603 A EP 14780603A EP 3044512 A1 EP3044512 A1 EP 3044512A1
Authority
EP
European Patent Office
Prior art keywords
gas
burner
switching valve
gas burner
valve
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Withdrawn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
EP14780603.8A
Other languages
German (de)
English (en)
Inventor
Melca Gutierrez Humara
Emilio Placer Maruri
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3044512A1 publication Critical patent/EP3044512A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/007—Regulating fuel supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F23K2400/201—Control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details

Definitions

  • the present invention relates to a gas burner assembly for a gas hob, a gas hob and a gas stove.
  • a gas burner assembly of a gas hob may include a gas burner, a first gas valve and a first gas line.
  • the preferably controllable, first gas valve may be connected to the gas burner by means of the first gas line.
  • the gas burner assembly may comprise a second gas valve connected in parallel with the first gas valve and connected to the gas burner by means of a second gas line. Both gas valves can be connected to a gas main line of the gas hob.
  • the gas burner is assigned in its normal operating state the first gas valve, with which the glass flow to the gas burner can be regulated. In the normal operating state, the second gas valve is preferably closed.
  • the second gas valve is opened and gas supplied to the gas burner in addition to the gas supplied via the first gas line via the second gas line.
  • the maximum heating power of the gas burner in the booster operating state is increased in comparison to its maximum heating power in the normal operating state.
  • an object of the present invention is to provide an improved gas burner assembly.
  • a gas burner assembly for a gas hob with a gas burner, a gas line, which is adapted to supply gas to the gas burner, a mounted on the gas line gas control valve which is adapted to regulate a gas volume flow to the gas burner down or off, and a proposed gas switching valve downstream of the gas control valve attached to the gas line.
  • the gas switching valve is selectively switchable between two different switching states, wherein the gas switching valve is an always open fluid channel and having a closable fluid channel, wherein in a first switching state of the gas switching valve, the closable fluid channel is closed and a maximum gas volume flow to the gas burner is limited by a cross section of the ever-open fluid channel of the gas switching valve, and opened in a second switching state of the gas switching valve, the closable fluid channel and the maximum gas flow rate to the gas burner is limited by a cross-section of a burner nozzle of the gas burner.
  • the gas control valve is preferably connected to a gas main line of the gas hob.
  • the cross section of the fluid channel, which is always open, is preferably a cross-sectional area of the fluid channel which is always open. You can also choose from one
  • the cross section of the burner nozzle is preferably one
  • the burner nozzle can be, for example, a mixing nozzle of the gas burner.
  • the gas switching valve may have a valve housing in which the two fluid channels are provided.
  • the always open or first fluid channel of the gas switching valve is designed in particular as a so-called bypass channel of the gas switching valve. That is, gas can always flow through the first fluid channel of the gas switching valve, regardless of the switching state of the gas switching valve. The gas does not flow through the first fluid channel only when the upstream gas control valve is closed.
  • the first fluid channel has a predetermined, invariable cross section through which a defined gas volume flow flows in the first switching state of the gas switching valve.
  • the first fluid channel thus forms a first, unchangeable throttle point of the gas switching valve.
  • the nominal maximum heating power of the gas burner is limited by the cross section of the first fluid channel.
  • the cross section of the first fluid channel is in particular smaller than the cross section of the burner nozzle.
  • the closable or second fluid channel may optionally be opened or closed.
  • the gas switching valve in particular the second fluid channel, is preferably designed as an on-off valve. That is, the second fluid channel is selectively either fully closed or fully open.
  • the second fluid channel thus forms a second, variable throttle point of the gas switching valve.
  • the nominal The maximum heating capacity of the gas burner is limited by the cross-section of the burner nozzle.
  • the cross sections of the second fluid channel and the first fluid channel are preferably larger than the cross section of the burner nozzle.
  • the first switching state of the gas switching valve in which the valve flow through the gas switching valve takes place only through the first fluid channel, corresponds to a normal operation of the gas burner.
  • the second switching state of the gas switching valve in which the valve flow through the gas switching valve through the first and at the same time through the second fluid channel, corresponds to a so-called booster operation of the gas burner.
  • the gas control valve and the gas switching valve are arranged in series, a parallel arrangement of the two gas valves with two gas lines and a complex tuning and control of the gas valves to achieve sufficient control of the heating power of the gas burner, dispensable.
  • the gas burner arrangement described above is thus less complex and less prone to failure than known gas burner arrangements with two parallel-connected gas valves. Normal operation with a throttled flow through the gas control valve and only the bypass channel specifies the nominal heat output levels for the connected gas burner. in the
  • Booster operation does not throttle the gas flow between gas control valve and gas burner.
  • the closable fluid channel can be closed by means of a displaceable closure element.
  • the closure element is preferably received in the valve housing of the gas switching valve.
  • the closure element may be a so-called valve plug or a sealing cone.
  • the closure element may be a throttle or a throttle ball.
  • the closure element can be brought from an open state, which corresponds to the second switching state of the gas switching valve, in a closed state, which corresponds to the first switching state of the gas switching valve.
  • the closure element may be coupled to an actuating element which protrudes from the valve housing. With the help of the closure element, the gas switching valve is quickly between the two Switching states switchable back and forth. This allows quick switching from normal operation to booster mode or vice versa.
  • the gas switching valve is a solenoid valve, which is selectively switchable by means of a magnet between the first switching state and the second switching state.
  • the magnet is an electromagnet.
  • the electromagnet is preferably switchable by means of a provided on the cooktop switch. This ensures convenient operation of the gas control valve.
  • the magnet may be a permanent magnet.
  • the magnet is adapted to displace the closure element of the gas switching valve.
  • the magnet may for example be a linear or a rotary electromagnet.
  • a magnetic force of the magnet preferably acts on the closure element.
  • the gas burner arrangement has a connection piece of the gas line, which fluidly connects the gas control valve with the gas switching valve.
  • the connector is preferably an aluminum tube.
  • the connector connects a gas outlet of the gas control valve to a gas inlet of the gas switching valve.
  • the connector may be bolted to the gas control valve and to the gas switching valve by means of union nuts. This ensures a secure and fluid-tight connection of the gas valves.
  • the connecting piece has a connection element which is designed to be complementary to a connection flange of the gas switching valve.
  • the connecting element is preferably screwed to the connecting piece.
  • the connection element can be screwed to the connection flange of the gas control valve.
  • the gas switching valve is preferably a standard component.
  • the connecting flange of the gas switching valve is in particular adapted to be connected to the gas main line of the gas hob. By means of the connection element, the gas switching valve can be connected to the connector without any further modifications. As a result, the gas burner assembly is inexpensive to produce.
  • the gas burner arrangement has a sealing device which is arranged between the connection element and the connection flange.
  • the sealing device is preferably flexible. With the aid of the sealing device, a fluid-tight connection of the connection element with the connection flange is ensured.
  • the gas hob may have a hob cavity in or on which the gas burner is mounted. Furthermore, the gas hob can have a hob plate. Furthermore, a gas stove with such a gas burner arrangement and / or such a gas hob is proposed.
  • the gas stove is preferably a household appliance.
  • Further possible implementations of the invention also include not explicitly mentioned combinations of features or embodiments described above or below with regard to the exemplary embodiments.
  • the specialist will also add aspects as improvements or additions to the respective basic form of the invention.
  • Fig. 1 shows a schematic perspective view of a gas burner assembly for a gas hob
  • FIG. 2 shows a schematic perspective view of a gas switching valve of the gas burner arrangement according to FIG. 1;
  • Fig. 3 shows a schematic partial sectional view of the gas switching valve according to FIG. 2;
  • FIG. 4 shows a schematic perspective view of a connection element of the gas burner arrangement according to FIG. 1;
  • FIG. 5 shows a schematic plan view of the connection element according to FIG. 4.
  • the gas burner assembly 1 shows a schematic perspective view of a gas burner assembly 1 for a gas hob 2.
  • the gas burner assembly 1 comprises a gas burner 3 and a gas line 4, which is adapted to supply gas to the gas burner 3, on.
  • the gas may be, for example, natural gas, propane gas, town gas or the like.
  • the gas burner arrangement 1 can furthermore have a gas control valve 5 attached to the gas line 4, which is set up to steplessly regulate or switch off a gas volume flow to the gas burner 3.
  • the gas control valve 5 comprises a valve housing 6 with a gas outlet 7 and a gas inlet 8.
  • the gas inlet 8 has a connection flange 9, with which the gas control valve 5 is connected to a gas main line of the gas Cooker 2 is connectable.
  • the gas control valve 5 has an actuating element
  • a knob can be attached.
  • the gas switching valve 11 shown in a schematic perspective view in FIG. 2 has a valve housing 12 with a gas inlet 13 and a gas inlet
  • the gas switching valve 11 is preferably a solenoid valve, which is selectively switchable by means of a magnet 15 between a first switching state and a second switching state.
  • the magnet 15 is preferably an electromagnet.
  • the magnet 15 may alternatively be a permanent magnet.
  • the magnet 15 is preferably switched on or off by means of a switch provided on the gas hob 2
  • the gas inlet 13 preferably has a connection flange 16, which is adapted to be connected to the gas main line.
  • the gas switching valve 1 1 has a first or always open fluid channel 17 and a second or closable fluid channel 18.
  • the first fluid channel 17 is a first, unchangeable throttle point of the gas switching valve 11.
  • the first fluid channel 17 is only then flowed through by gas when the gas control valve 5 is fully closed.
  • the second fluid channel 18 is a second, variable throttle point of the gas switching valve 11.
  • the closable fluid channel 18 by means of a displaceable closure element 19 is closed.
  • the closure element 19 may be rotatably mounted in the valve housing 12.
  • the closure member 19 may be a throttle, a throttle ball, a valve cone, a valve plug or the like.
  • the closable fluid channel 18 is in particular an open-close valve.
  • the magnet 15 is configured to displace the closure element 19.
  • the closable fluid channel 18 is closed and a maximum gas volume flow to the gas burner 3 is limited by a cross section, in particular a cross-sectional area, of the fluid channel 17 of the gas switching valve 11, which is always open.
  • the cross section of the always open fluid channel 17 is smaller than a cross section, in particular a cross sectional area, a burner nozzle 20 of the gas burner 3.
  • Under the burner nozzle 20 is present in the To understand smallest cross-section or the largest constriction in the flow path between the gas switching valve 11 and the Ausströmöffitch of the gas burner 3.
  • the burner nozzle 20 may be a mixing nozzle of the gas burner 3.
  • the heating power of the gas burner 3 can be controlled by means of the gas control valve 5.
  • the gas flows only in the first fluid channel 17 through the gas switching valve 1 1.
  • the closable fluid channel 18, in particular completely open In the second switching state of the gas switching valve 11, the closable fluid channel 18, in particular completely open.
  • the maximum gas volume flow to the gas burner 3 is limited by the cross section of the burner nozzle 20.
  • the cross-section of the burner nozzle 20 is smaller than the cross-sectional areas of the fluid channels 17, 18 together.
  • the heating power of the gas burner 3 is controllable in the second switching state by means of the gas control valve 5.
  • the gas in the first fluid channel 17 and in the second fluid channel 18 flows simultaneously through the gas switching valve 11. This corresponds to the booster operation of the gas burner 3 or the gas cooktop 2.
  • the gas line 4 has a first connecting piece 21, which fluidly connects the gas valves 5, 1 1 with one another, and a second connecting piece 22, which fluidly connects the gas switching valve 11 to the gas burner 3.
  • the second connector 22 may be formed as an angled pipe section.
  • the second connector 22 may be connected to a respective union nut 23, 24 with the gas outlet 14 of the gas switching valve 1 1 and a connecting flange 25 of the gas burner 3.
  • the first connector 21 is preferably a straight pipe section.
  • the first connector 21 may be an aluminum tube. With the aid of a union nut 26, the first connector 21 may be connected to the gas outlet 7 of the gas control valve 5.
  • this has a connection element 28 which is complementary to the connection flange 16 of the gas switching valve 11 is formed.
  • 4 shows the connecting element 28 in a schematic perspective view.
  • 5 shows the connection element 28 in a schematic plan view.
  • the first connector 21 is connected by means of a union nut 29 with the connection element 28.
  • the end portion 27 protrudes through the connecting piece 28 into the gas inlet 13 of the gas switching valve 11.
  • an opening 30 is provided in the connecting element 28.
  • the connecting element 28 has a fastening portion 31, to which the first connecting piece 21 is fastened, and an arcuate sealing portion 32, which is formed corresponding to the connecting flange 16 of the gas switching valve 11.
  • a sealing device 33 may be provided between the sealing portion 32 and the connecting flange 16, a sealing device 33 may be provided between the sealing portion 32 and the mounting portion 31, a connecting element 28 through the opening 34 is provided.
  • the connecting element 28 may have two lateral mounting portions 35, 36, each comprising a through hole 37, 38.
  • the connection flange 16 may have threaded bores 39, 40 corresponding to the through bores 37, 38. Through the through holes 37, 38 fasteners, such as screws, can be screwed into the connection flange 16 in order to attach the connection element 28 to the gas switching valve 1 1.
  • a gas stove 41 may have such a gas burner arrangement 1 and / or such a gas hob 2.
  • the gas stove 41 is preferably a household appliance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

L'invention concerne un ensemble brûleur (1), destiné à un plan de cuisson fonctionnant au gaz (2), qui comprend un brûleur (3), une conduite de gaz (4) agencée pour alimenter en gaz le brûleur (3), une vanne de régulation du gaz (5) montée sur la conduite de gaz (4) et agencée pour régler en continu ou stopper le débit gazeux vers le brûleur (3), et une vanne d'inversion (11) montée sur la conduite de gaz (4) en aval de la vanne de régulation du gaz (5) et capable de commuter au choix entre deux états de commutation différents. Selon l'invention, la vanne d'inversion (11) comporte un conduit de fluide constamment ouvert et un conduit de fluide refermable et, dans un premier état de commutation de la vanne d'inversion (11), le conduit de fluide refermable est fermé et un débit maximal de gaz vers le brûleur (3) est limité par une section du conduit de fluide constamment ouvert de la vanne d'inversion (11) et, dans un second état de commutation de la vanne d'inversion (11), le conduit de fluide refermable est ouvert et le débit maximal de gaz vers le brûleur (3) est limité par une section de la buse (20) du brûleur (3).
EP14780603.8A 2013-09-11 2014-08-14 Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière Withdrawn EP3044512A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201331325A ES2531282B1 (es) 2013-09-11 2013-09-11 Disposición de quemador de gas para una encimera de cocina de gas, encimera de cocina de gas y cocina de gas
PCT/IB2014/063913 WO2015036880A1 (fr) 2013-09-11 2014-08-14 Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière

Publications (1)

Publication Number Publication Date
EP3044512A1 true EP3044512A1 (fr) 2016-07-20

Family

ID=51659971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14780603.8A Withdrawn EP3044512A1 (fr) 2013-09-11 2014-08-14 Ensemble brûleur pour plan de cuisson fonctionnant au gaz, plan de cuisson fonctionnant au gaz et gazinière

Country Status (5)

Country Link
US (1) US20160215975A1 (fr)
EP (1) EP3044512A1 (fr)
CN (1) CN105518388B (fr)
ES (1) ES2531282B1 (fr)
WO (1) WO2015036880A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012206507A1 (de) * 2012-04-20 2013-10-24 BSH Bosch und Siemens Hausgeräte GmbH Brenner für ein gasbeheiztes Gargerät
IT201600131202A1 (it) * 2016-12-27 2018-06-27 Sabaf Spa Rubinetto per bruciatore a gas
EP3460329B1 (fr) 2017-09-20 2020-01-15 Copreci, S.Coop. Vanne de gaz électromagnétique, vanne de régulation de gaz et appareil de cuisson à gaz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448923A (en) * 1968-05-27 1969-06-10 Caloric Corp Fluid fuel flow control for gas burning top burner
EP0818655A2 (fr) * 1996-07-09 1998-01-14 Gaggenau Hausgeräte GmbH Procédé et dispositif de commande de la grandeur de la flamme des appareils de cuison à gaz
EP1010942A2 (fr) * 1998-12-17 2000-06-21 Honeywell Inc. Soupape à gaz montable en série
US20080216810A1 (en) * 2005-08-16 2008-09-11 Bsh Bosch Und Siemens Hausgerate Gmbh Device for Increasing Power for a Limited Time

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US2939524A (en) * 1957-08-29 1960-06-07 Roper Corp Geo D Control system for gas burners
DE2550219A1 (de) * 1975-11-08 1977-05-18 Seppelfricke Geb Gmbh Gas-stellglied fuer gasgeraete
JPS58140516A (ja) * 1982-02-16 1983-08-20 Sanyo Electric Co Ltd 火力切替装置
JPS6325412A (ja) * 1986-07-17 1988-02-02 Sanyo Electric Co Ltd 流量制御装置
GB9712451D0 (en) * 1997-06-13 1997-08-13 Contech Limited A supply valve for a fuel burning appliance
DE20016145U1 (de) * 2000-09-18 2001-01-18 Schott Glas Kochfeld mit mindestens einem atmosphärischen Gasbrenner
US20060024632A1 (en) * 2004-07-29 2006-02-02 Sanchez Jairo E Gas burner head with extra simmer, burner base assembly and combination thereof
NL2006811C2 (en) * 2011-01-21 2012-07-24 Intell Properties B V Multi purpose gas burner.
US8539978B2 (en) * 2011-05-03 2013-09-24 Emerson Electric Co. Gas valve unit with bypass flow

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448923A (en) * 1968-05-27 1969-06-10 Caloric Corp Fluid fuel flow control for gas burning top burner
EP0818655A2 (fr) * 1996-07-09 1998-01-14 Gaggenau Hausgeräte GmbH Procédé et dispositif de commande de la grandeur de la flamme des appareils de cuison à gaz
EP1010942A2 (fr) * 1998-12-17 2000-06-21 Honeywell Inc. Soupape à gaz montable en série
US20080216810A1 (en) * 2005-08-16 2008-09-11 Bsh Bosch Und Siemens Hausgerate Gmbh Device for Increasing Power for a Limited Time

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015036880A1 *

Also Published As

Publication number Publication date
WO2015036880A1 (fr) 2015-03-19
CN105518388A (zh) 2016-04-20
ES2531282B1 (es) 2015-12-29
US20160215975A1 (en) 2016-07-28
CN105518388B (zh) 2017-10-24
ES2531282A1 (es) 2015-03-12

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