WO2013025178A2 - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
WO2013025178A2
WO2013025178A2 PCT/TH2012/000035 TH2012000035W WO2013025178A2 WO 2013025178 A2 WO2013025178 A2 WO 2013025178A2 TH 2012000035 W TH2012000035 W TH 2012000035W WO 2013025178 A2 WO2013025178 A2 WO 2013025178A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat
frame
boiler
materials
sustaining
Prior art date
Application number
PCT/TH2012/000035
Other languages
French (fr)
Other versions
WO2013025178A3 (en
Inventor
Dhiti TOWIWAT
Original Assignee
Towiwat Dhiti
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
Priority claimed from TH1101001578A external-priority patent/TH1101001578A/en
Priority to EP12770285.0A priority Critical patent/EP2745057A2/en
Priority to CN201280039496.2A priority patent/CN103732997A/en
Priority to RU2014104755/06A priority patent/RU2014104755A/en
Priority to CA2845314A priority patent/CA2845314A1/en
Priority to AU2012295611A priority patent/AU2012295611A1/en
Priority to SG2014008916A priority patent/SG2014008916A/en
Priority to BR112014003630A priority patent/BR112014003630A2/en
Application filed by Towiwat Dhiti filed Critical Towiwat Dhiti
Priority to MX2014001848A priority patent/MX2014001848A/en
Priority to JP2014525969A priority patent/JP2014527150A/en
Priority to KR1020147007004A priority patent/KR20140057341A/en
Priority to US14/238,906 priority patent/US20140196865A1/en
Publication of WO2013025178A2 publication Critical patent/WO2013025178A2/en
Publication of WO2013025178A3 publication Critical patent/WO2013025178A3/en
Priority to ZA2014/01151A priority patent/ZA201401151B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
    • F24H7/045—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using fluid fuel
    • F24H7/0458—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using fluid fuel the transfer fluid being air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
    • F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the present invention relates to combustion system, heat storage and heat release for combustion or other processes in connection with combustion, heat storage and heat release.
  • Boiler has been currently designed to allow one or the combination of three forms of heat exchange namely heat conduction, heat convection and heat radiation.
  • heat radiation is normally capable of exchanging heat at a proportion of 60% which is considered to be most effective when compared to other methods.
  • the heat radiation is similar to the transfer of heat caused by the sun's radiation through air, space the earth's atmosphere and eventually to materials in solid or liquid form.
  • the apparatus for sustaining and releasing heat for boilers, which consists heat sustaining materials, the frames for covering at least a certain parts of the boiler.
  • the frame is preferably in cylindrical circular or polygonal shape.
  • the surface of the frame is configured to the installment of the said heat sustaining materials.
  • the apparatus further includes a ventilation control mechanism for improving and managing the performance of the apparatus.
  • the said frame may comprise a plurality of small frames connected to each other. Said small frame can be disconnected in order to adjust the size of the overall frames for accommodating the size of boiler which may be different depending on the case by case basis. This is to enhance effectiveness and provide ease of installation, and also to avoid any potential damages due to the variation in shape and size of boiler to be applied with.
  • the apparatus is characterized in that a plurality of heat sustaining materials preferably in the form of plate, are closely placed on the surface of the frame.
  • the frame can be further installed with the vertical or horizontal boiler.
  • the porosity of surface of heat sustaining materials may be varied.
  • the shape of materials can also be provided in several forms including, triangular, rectangular, polygonal, curved or cylindrical plate.
  • the said plates can then be installed with the frame which is made of heat resistant materials capable of the usage in the temperature of up to 800° C.
  • the frame can have multiple connected layers of surface. For multilayer surface, a space is provided between each layer in order to allow installation and arrangement of heat sustaining materials, and achieve a desired level of appropriate heat exchange between each layer. It is also preferable that the porosity of the heat sustaining materials located at the layer closer to the boiler is greater than that of the other layer.
  • heat sustaining materials and frame can be altogether manufactured as a part of the frame surface in order to avoid subsequent installations of materials to the frame.
  • the frame is configured to include a plate at one and in order to control the direction of flame and the corresponding air circulation. This is to ensure that heat from the burner is circulated distributed throughout the frame.
  • the frame can also be assembled to a base for supporting the boiler.
  • the apparatus for sustaining and releasing heat for boilers this allows efficient heat exchange and the effective use of fuel and energy for combustion.
  • the said apparatus also provides ease of installation in accordance with the characteristic of boiler and increase the space for the sustaining of heat before the heat is distributed into the fire tube.
  • FIG. 1 - demonstrating installment location in combustion chamber or large fire tube in fire-tube boiler, and installment location in water-tube boiler or one-through boiler.
  • FIG. 2 - demonstrating the overlapping of heat sustaining plates in case of overlapping layers.
  • FIG 3 - demonstrating the assembly pattern and shapes of heat sustaining plates as assembled to the supporting frame.
  • FIG 4 - demonstrating characteristics of supporting frame for heat sustaining plates which are divided into short series.
  • FIG 5 - demonstrating the assembly and attachment of heat sustaining materials together.
  • FIG 6 - demonstrating the structure of the invention in the event that the frame and heat sustaining materials are produced and installed as one piece.
  • the preferred embodiment is shown as in Figure 1 in which it is installed in the outlet of large fire tube or combustion chamber (2) of the boiler or other apparatus that requires heat for its operation.
  • the overall characteristic is cylindrical tube comprising of
  • the two columns of bases are provided at one side of the frame for accommodating the support and installation with the boiler.
  • Heat sustaining materials (11) in form of plates are installed on the surface of the cylinder.
  • Said materials are heat sustaining materials capable of air and heat ventilation for heat exchange in the form of convection and radiation.
  • These plates may be provided in square, curved and cylindrical shapes.
  • the number of layers of heat sustaining materials can be one or multiple as shown in Figure 2 in order to increase the performance in the heat exchange process.
  • the numbers of layers maybe varied depending on the size of the tube (2) and burner (8) used in boiler.
  • Heat sustaining materials (11) which is the closest to the boiler is slightly larger that the burner (8) and distributed along the length of the fire tube or combustion chamber (2) of the boiler. Heat will accumulate at the first, innermost layer (11) and the subsequently transfer to the second layer which is outer layer by convection and radiation. The subsequent layer will further transfer heat to the other external layers. Therefore, heat is distributed throughout the entire combustion chamber, the heat then will be circulated and transferred to the wall of fire tube (2) and fire tube (3) for continuous heat exchange as shown in Figure 1 and 2.
  • the air flows through the front of the fire tube (2) and transfers heat toward fire tube (3).
  • Such air may be air from stack or one from other sources i.e. air blower (4,5) as shown in Figure 1
  • Frame can be divided into a series of short frames in order to prevent any damage from the expansion of materials due to the heat. Said small frames can be assembled until desirable length is acquired for the use according to the size of the fire tube (2) of the boiler. Heat sustaining materials can be loaded as shown in Figure 4 and Figure 5.
  • Plate positioned at one end of the cylindrical shape, (if any) is used for controlling the direction of the flame to the extent that the flame is directed to the side surface of cylinder, thereby causing flame circulation along the side surface and allowing the continuous exchange of heat by radiation.
  • the frame for installment of heat sustaining materials can be in triangular cylindrical or polygonal shape.
  • heat sustaining material can be manufactured as one part of surface of frame as shown in Figure 6.
  • the present invention can effectively reduce the use of fuel resource through a better heat exchange in form of heat radiation and the reduction of heat loss. This assists in manufacturing and stabilizing the temperature in combustion chamber stable, thereby preventing any change.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air Supply (AREA)

Abstract

The present invention discloses an apparatus for sustaining and releasing heat for boilers as per the preferred embodiment shown in Figure 1. The apparatus is preferably provided in a cylindrical form having at least one open end. The apparatus comprises a frame which can support the installation of heat sustaining materials, manufactured from heat resistant materials. It is also preferable to have at least 2 columns of bases extended along the side of the frame for supporting the installment. Heat sustaining materials are installed on the surface of the frame, the said materials are provided in the form of square or curved plate, which forms a square, polygonal or cylindrical shaped frame. The plates must have at least one pore, and must be punched to allow passage of air for ventilation of air and heat. The size of pores is varied depending on type of fuel being used. The heat exchange is conducted by heat conduction and radiation. The surface where heat radiation takes place may be varied by height in order to ensure the heat distribution and circulation. The plate at one end of the frame has a curved or straight profile for directing the flame toward the side surface of the frame. This will ensure circulation of flame on the side surface, and sustaining heat. The present invention improves the performance through the continuous heat radiation from heat sustaining materials.

Description

HEAT EXCHANGER
FIELD OF INVENTION
The present invention relates to combustion system, heat storage and heat release for combustion or other processes in connection with combustion, heat storage and heat release. BACKGROUND OF INVENTION
Boiler has been currently designed to allow one or the combination of three forms of heat exchange namely heat conduction, heat convection and heat radiation. Among which, heat radiation is normally capable of exchanging heat at a proportion of 60% which is considered to be most effective when compared to other methods. The heat radiation is similar to the transfer of heat caused by the sun's radiation through air, space the earth's atmosphere and eventually to materials in solid or liquid form.
However, for the boiler adapted for industrial use, it is still necessary to further develop the boiler to the extent that the performance in heat exchanger is improved and the level of the required fuel is decreased. With the development, the pollution to be caused by use of boiler should also be decreased. There are industrial need and demand for improvement of boiler currently designed to allow heat exchange in terms of effectiveness in exchanging heat for water and reducing fuel for combustion, as well as minimizing pollution from combustion taken place in the boiler.
SUMMARY OF INVENTION It is therefore the objective of the invention to provide an apparatus for sustaining and releasing heat for boilers, which consists heat sustaining materials, the frames for covering at least a certain parts of the boiler. The frame is preferably in cylindrical circular or polygonal shape. The surface of the frame is configured to the installment of the said heat sustaining materials. The apparatus further includes a ventilation control mechanism for improving and managing the performance of the apparatus. The said frame may comprise a plurality of small frames connected to each other. Said small frame can be disconnected in order to adjust the size of the overall frames for accommodating the size of boiler which may be different depending on the case by case basis. This is to enhance effectiveness and provide ease of installation, and also to avoid any potential damages due to the variation in shape and size of boiler to be applied with.
The apparatus is characterized in that a plurality of heat sustaining materials preferably in the form of plate, are closely placed on the surface of the frame. The frame can be further installed with the vertical or horizontal boiler.
In one aspect, the porosity of surface of heat sustaining materials may be varied. The shape of materials can also be provided in several forms including, triangular, rectangular, polygonal, curved or cylindrical plate. The said plates can then be installed with the frame which is made of heat resistant materials capable of the usage in the temperature of up to 800° C. The frame can have multiple connected layers of surface. For multilayer surface, a space is provided between each layer in order to allow installation and arrangement of heat sustaining materials, and achieve a desired level of appropriate heat exchange between each layer. It is also preferable that the porosity of the heat sustaining materials located at the layer closer to the boiler is greater than that of the other layer.
In another aspect, heat sustaining materials and frame can be altogether manufactured as a part of the frame surface in order to avoid subsequent installations of materials to the frame. In another aspect, the frame is configured to include a plate at one and in order to control the direction of flame and the corresponding air circulation. This is to ensure that heat from the burner is circulated distributed throughout the frame. The frame can also be assembled to a base for supporting the boiler.
With the aforementioned characteristics, the apparatus for sustaining and releasing heat for boilers, this allows efficient heat exchange and the effective use of fuel and energy for combustion. The said apparatus also provides ease of installation in accordance with the characteristic of boiler and increase the space for the sustaining of heat before the heat is distributed into the fire tube. BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 - demonstrating installment location in combustion chamber or large fire tube in fire-tube boiler, and installment location in water-tube boiler or one-through boiler.
FIG. 2 - demonstrating the overlapping of heat sustaining plates in case of overlapping layers.
FIG 3 - demonstrating the assembly pattern and shapes of heat sustaining plates as assembled to the supporting frame.
FIG 4 - demonstrating characteristics of supporting frame for heat sustaining plates which are divided into short series.
FIG 5 - demonstrating the assembly and attachment of heat sustaining materials together.
FIG 6 - demonstrating the structure of the invention in the event that the frame and heat sustaining materials are produced and installed as one piece.
DETAILED DESCRIPTIONS OF THE PREFERRED EMBODIMENT
The preferred embodiment is shown as in Figure 1 in which it is installed in the outlet of large fire tube or combustion chamber (2) of the boiler or other apparatus that requires heat for its operation. The overall characteristic is cylindrical tube comprising of
Structure or Frame (21) supporting heat sustaining materials (11) manufactured from heat resistant materials having the same heat tolerance. The two columns of bases are provided at one side of the frame for accommodating the support and installation with the boiler.
Heat sustaining materials (11) in form of plates are installed on the surface of the cylinder. Said materials are heat sustaining materials capable of air and heat ventilation for heat exchange in the form of convection and radiation. These plates may be provided in square, curved and cylindrical shapes.
The number of layers of heat sustaining materials can be one or multiple as shown in Figure 2 in order to increase the performance in the heat exchange process. The numbers of layers maybe varied depending on the size of the tube (2) and burner (8) used in boiler. Heat sustaining materials (11) which is the closest to the boiler is slightly larger that the burner (8) and distributed along the length of the fire tube or combustion chamber (2) of the boiler. Heat will accumulate at the first, innermost layer (11) and the subsequently transfer to the second layer which is outer layer by convection and radiation. The subsequent layer will further transfer heat to the other external layers. Therefore, heat is distributed throughout the entire combustion chamber, the heat then will be circulated and transferred to the wall of fire tube (2) and fire tube (3) for continuous heat exchange as shown in Figure 1 and 2. - The air flows through the front of the fire tube (2) and transfers heat toward fire tube (3). Such air may be air from stack or one from other sources i.e. air blower (4,5) as shown in Figure 1
Frame can be divided into a series of short frames in order to prevent any damage from the expansion of materials due to the heat. Said small frames can be assembled until desirable length is acquired for the use according to the size of the fire tube (2) of the boiler. Heat sustaining materials can be loaded as shown in Figure 4 and Figure 5.
Plate positioned at one end of the cylindrical shape, (if any) is used for controlling the direction of the flame to the extent that the flame is directed to the side surface of cylinder, thereby causing flame circulation along the side surface and allowing the continuous exchange of heat by radiation.
Alternately, the frame for installment of heat sustaining materials can be in triangular cylindrical or polygonal shape.
In other form of the invention, heat sustaining material can be manufactured as one part of surface of frame as shown in Figure 6.
The present invention can effectively reduce the use of fuel resource through a better heat exchange in form of heat radiation and the reduction of heat loss. This assists in manufacturing and stabilizing the temperature in combustion chamber stable, thereby preventing any change.
It will be appreciated by persons skilled in the art that the present invention is not limited by what has been particularly shown and described hereinabove. Rather the scope of the present invention includes both combinations and sub-combinations of the features described hereinabove as well as modifications and variations thereof which would occur to a person of skill in the art upon reading the foregoing description and which are not in the prior art.

Claims

1. Heat exchanger for boiler consists of Heat sustaining materials (11)
Frame (21) having a solid surface bounded by at least three plains or a circular surface elongated along a certain part of boiler wherein said surface is configured to support the installation of a plurality of heat sustaining material and be attached with ventilation controlling means. characterized in that said heat sustaining materials are porous and are substantially positioned adjacent to each other on the surface of the frame (21), which is equipped to the boiler.
2. Heat exchanger for the boiler as recited in Claim 1 wherein the apparatus comprises supporting bases for installation of the apparatus with the boiler.
3. Heat exchanger as recited in any of the above Claims wherein porous heat sustaining materials are varied in term of sizes and configured to have different porosities.
4. Heat exchanger as recited in any of the above Claims wherein the porous heat sustaining materials are principally made of ceramic, and is in form of square or curved plate.
5. Heat exchanger as recited in any of the above Claims wherein the frame is hollow and made of heat resistant materials.
6. Heat exchanger as recited in any of the above Claims wherein the plurality of surfaces of the hollow frame are used support the installation of a plurality of heat sustaining materials thereby forming more than one layer of surfaces which are spaced apart from each other and the boiler.
7. Heat exchanger for boiler as recited in Claim 6 wherein the porosity of the porous heat sustaining materials being located at the layer closest to the boiler is greater than those of the outer layer.
8. Heat exchanger as recited in any of the above Claims wherein the frame comprises a plurality of frames which can be disassembled.
9. Heat exchanger as recited in any of the above Claims wherein the apparatus further comprised a plate located at one end of the frame for controlling the direction of flame.
10. Heat exchanger as recited in any of the above Claims wherein the apparatus can be used with a horizontal or vertical boiler.
11. Heat exchanger as recited in any of the above Claims wherein heat sustaining materials can be manufactured as a part of the surface of the frame.
PCT/TH2012/000035 2011-08-17 2012-08-16 Heat exchanger WO2013025178A2 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US14/238,906 US20140196865A1 (en) 2011-08-17 2012-08-16 Heat exchanger
BR112014003630A BR112014003630A2 (en) 2011-08-17 2012-08-16 heat exchanger
RU2014104755/06A RU2014104755A (en) 2011-08-17 2012-08-16 HEAT EXCHANGER
CA2845314A CA2845314A1 (en) 2011-08-17 2012-08-16 Heat exchanger
AU2012295611A AU2012295611A1 (en) 2011-08-17 2012-08-16 Heat exchanger
SG2014008916A SG2014008916A (en) 2011-08-17 2012-08-16 Heat exchanger
MX2014001848A MX2014001848A (en) 2011-08-17 2012-08-16 Heat exchanger.
EP12770285.0A EP2745057A2 (en) 2011-08-17 2012-08-16 Heat exchanger
CN201280039496.2A CN103732997A (en) 2011-08-17 2012-08-16 Heat exchanger
JP2014525969A JP2014527150A (en) 2011-08-17 2012-08-16 Heat exchanger
KR1020147007004A KR20140057341A (en) 2011-08-17 2012-08-16 Heat exchanger
ZA2014/01151A ZA201401151B (en) 2011-08-17 2014-02-14 Heat exchanger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TH1101001578A TH1101001578A (en) 2011-08-17 The patent has not yet been announced.
TH1101001578 2011-08-17

Publications (2)

Publication Number Publication Date
WO2013025178A2 true WO2013025178A2 (en) 2013-02-21
WO2013025178A3 WO2013025178A3 (en) 2013-10-10

Family

ID=47010697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TH2012/000035 WO2013025178A2 (en) 2011-08-17 2012-08-16 Heat exchanger

Country Status (13)

Country Link
US (1) US20140196865A1 (en)
EP (1) EP2745057A2 (en)
JP (1) JP2014527150A (en)
KR (1) KR20140057341A (en)
CN (1) CN103732997A (en)
AU (1) AU2012295611A1 (en)
BR (1) BR112014003630A2 (en)
CA (1) CA2845314A1 (en)
MX (1) MX2014001848A (en)
RU (1) RU2014104755A (en)
SG (1) SG2014008916A (en)
WO (1) WO2013025178A2 (en)
ZA (1) ZA201401151B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD763418S1 (en) * 2014-07-23 2016-08-09 Dhiti Towiwat Heat exchanger

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JP4205450B2 (en) * 2003-02-19 2009-01-07 本田技研工業株式会社 Thermal storage device element and method of manufacturing thermal storage device
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Also Published As

Publication number Publication date
ZA201401151B (en) 2014-12-23
CA2845314A1 (en) 2013-02-21
BR112014003630A2 (en) 2017-03-14
EP2745057A2 (en) 2014-06-25
WO2013025178A3 (en) 2013-10-10
MX2014001848A (en) 2014-10-24
SG2014008916A (en) 2014-04-28
CN103732997A (en) 2014-04-16
JP2014527150A (en) 2014-10-09
US20140196865A1 (en) 2014-07-17
KR20140057341A (en) 2014-05-12
AU2012295611A1 (en) 2014-03-06
RU2014104755A (en) 2015-09-27

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