CN204060967U - Solar energy stirling engine heating head heat exchanger - Google Patents

Solar energy stirling engine heating head heat exchanger Download PDF

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Publication number
CN204060967U
CN204060967U CN201420533131.1U CN201420533131U CN204060967U CN 204060967 U CN204060967 U CN 204060967U CN 201420533131 U CN201420533131 U CN 201420533131U CN 204060967 U CN204060967 U CN 204060967U
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China
Prior art keywords
heating pipe
heat exchanger
cavity
heating
piston cavity
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Expired - Fee Related
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CN201420533131.1U
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Chinese (zh)
Inventor
王振声
阿古达木
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DALIAN GREAT OCEAN NEW ENERGY DEVELOPMENT Co Ltd
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DALIAN GREAT OCEAN NEW ENERGY DEVELOPMENT Co Ltd
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Priority to CN201420533131.1U priority Critical patent/CN204060967U/en
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Abstract

Solar energy Stirling engine heating head heat exchanger described in the utility model, relates to a kind of transducer part being applied to solar energy pattern of fever Stirling engine.It is characterized in that the utility model is made up of four groups of heating head assembly circumference array; Heating head assembly comprises piston cavity, backheat cavity, heating pipe, temperature transducer; Piston cavity and backheat cavity are loaded on to be installed with on motor, and piston cavity and backheat cavity relative phase angle on engine cylinder-body mounting point is 90 °; Between often pair of piston cavity and backheat cavity, N number of heating pipe is housed, forms the sunlight be arranged in a combination by N number of heating pipe and accept curved surface; In piston cavity and on heating pipe, multiple temperature transducer is housed respectively.The utility model have novel structure, simple, process easy, reduce manufacture difficulty, improve yield rate, reduce the features such as manufacture cost, therefore belong to a kind of new type solar energy Stirling engine heating head heat exchanger integrating Economy and practicability.

Description

Solar energy Stirling engine heating head heat exchanger
Technical field
Solar energy Stirling engine heating head heat exchanger described in the utility model, relates to a kind of transducer part being applied to solar energy pattern of fever Stirling engine.
Background technique
Stirling engine is a kind of closed cycle external-combustion engine of extra power heat supply, have use can source range wide, conversion efficiency is high, operate steadily, the feature of low stain or pollution-free operation, is the core technology equipment of green novel energy source exploitation.On solar energy optical-thermal develops, the high temperature light heat source work that Stirling engine utilizes large-scale butterfly condensing tracking device to produce, is converted to mechanical energy driven generator operation by engine heat exchanger parts, backheat and cooling transducer part, piston mechanism.Stirling solar heat and power system, without combustion emission, without harmful gas, lubricant pollution discharge, and does not consume and relies on great lot of water resources.Motor manufacture process is similar to compact internal combustion engine, does not produce Heavy environmental pollution.
Existing Stirling starts to be divided into gas-type and photo-thermal type according to energy-provision way: 1, the heat energy function that produced through burner combustion by combustion gas of gas-type Stirling engine, its heat exchanger is U-shaped straight tube column design arrangement, mainly through the high-temperature flue gas convection heat exchange that burning produces; 2, the heat exchanger of solar energy pattern of fever Stirling-electric hybrid mostly is disk-shaped structure or butterfly structure pipe row, and heating pipe outer wall receives the heat exchange of high-energy light-gathering light irradiation.
The technical characteristics of solar energy pattern of fever Stirling-electric hybrid all adopts resistant to elevated temperatures pipe as the main heat exchanger of heat-exchanger rig, and be connected to engine piston and regenerator by busway, heat exchange pipe end two, forms the working medium circulation cavity closed.And existing technology mainly highlights the local process optimization in bend pipe process, thus favourable conditions is brought to the cost of whole system and manufacturing efficiency.
But there is following point in existing solar energy pattern of fever Stirling engine:
1, the recuperative chamber quantity that heat exchanger is supporting is too much, casting high cost, and up-to-standard rate is low;
2, heat exchanger pipe fitting space extending is oversize, and volume is large undoubtedly, bend pipe structure is complicated, and cost per unit is high;
Other amount of parts of motor such as 3, supporting regenerator and cooler are too much, and housing structure is complicated, and holistic cost is too high.
For problem existing in above-mentioned prior art, a kind of novel solar energy Stirling engine heating head heat exchanger of research and design, thus the problem existing for overcoming in prior art is very necessary.
Summary of the invention
In view of problem existing in above-mentioned prior art, the purpose of this utility model is a kind of novel solar energy Stirling engine heating head heat exchanger of research and design.Exist in prior art in order to solve: recuperative chamber quantity that 1, heat exchanger is supporting is too much, casting high cost, up-to-standard rate is low; 2, heat exchanger pipe fitting space extending is oversize, and volume is large undoubtedly, bend pipe structure is complicated, and cost per unit is high; Other amount of parts of motor such as 3, supporting regenerator and cooler are too much, and housing structure is complicated, and holistic cost crosses the problems such as high.
High temperature transducer part in this kind motor of indication solar energy Stirling engine heat exchanger system of the present utility model.External heat source (concentration photo-thermal) is by heat exchanger heated engine internal working medium gas, and promote piston machine through hot-gas recycle process and externally do work, the heat exchange efficiency of heat exchanger, reliability and durability are the key factors affecting Stirling engine.
Technical solution of the present utility model is achieved in that
Solar energy Stirling engine heating head heat exchanger described in the utility model; It is characterized in that described solar energy Stirling engine heating head heat exchanger is made up of four groups of heating head assembly circumference array; Heating head assembly comprises piston cavity, backheat cavity, heating pipe, temperature transducer; Piston cavity and backheat cavity are loaded on to be installed with on motor, and piston cavity and backheat cavity relative phase angle on engine cylinder-body mounting point is 90 °; Between often pair of piston cavity and backheat cavity, N number of heating pipe is housed, forms the sunlight be arranged in a combination by N number of heating pipe and accept curved surface; In piston cavity and on heating pipe, multiple temperature transducer is housed respectively.
The bottom of piston cavity described in the utility model is processed with mounting flange, and it is parallel that section installed by mounting flange mouth and motor; The axis of piston cavity is parallel with engine spindle, the top of piston cavity is processed with the step hole inserting heating pipe, every lattice step hole all coordinates empty and air flue vent to form by welding, airway pressure hole with weld matching hole and require coaxial, step hole step surface requires vertical with axis; Welding matching hole is connected with selecting vacuum brazing technique between heating pipe, and the monolateral gap in heating pipe and hole is 0-0.1mm.
The bottom of backheat cavity described in the utility model is processed with mounting flange, and it is parallel that section installed by mounting flange mouth and motor; The axis of backheat cavity is parallel with engine spindle.
Piston cavity described in the utility model, backheat cavity heating pipe and temperature transducer adopt refractory alloy or heat-resisting steel material to make, and joint adopts the welding of high temperature vacuum brazing technique, makes heat exchanger component possess high temperature high voltage resistant characteristic.
Heating pipe side to light described in the utility model adopts the linear or trapezoid spiral Alignment Design of spherical helix, often organize heat exchanger and form a heat exchanger surface by 12-18 root heat pipe, motor forms a complete motor transducer part by identical four groups of heat exchangers, transducer part forms the heating surface of an inner ball surface shape or inner concave shape, high-energy light-gathering light source is uniform illumination position in receiving surface comparatively, makes heating pipe side to light obtain uniform Power supply everywhere; Spherical heat exchanger area and light heat source energy density matched design, make heating pipe surface energy flux density be in suitable scope.
Every root heating pipe described in the utility model forms by a, b, c, d, e section; The a section of each heating pipe and e section are perpendicular to plane on piston cavity and backheat cavity, are parallel to corresponding step hole axis; The b section of every root heating pipe, c section and d section design different size specification and segmental arc according to different engine power, but take tangent connection between each segmental arc, coherent, be connected without anxious back bending; Different engine design b section, c section are different with d section size simultaneously, and segmental arc quantity can adjust to be increased or reduce, and ensures that all spoolpiece size of side to light are the same.
The heating pipe of four heating head assemblies described in the utility model is respectively arranged 1-2 temperature transducer; Temperature transducer is brazed in heating pipe illumination dorsal part, can fully record outer tube wall true temperature; A temperature transducer is also housed inside the chamber of confluxing of piston cavity, and temperature transducer adopts vacuum brazing to weld, and ensures that interior working gas can not be leaked in the weld joint of temperature transducer; By inserting temperature transducer in the chamber of confluxing of piston cavity, detecting Temperature of Working, simultaneously by the information of the temperature transducer of contrast heating pipe illumination dorsal part, controlling entire engine power pressure and output power.
The quantity of step hole described in the utility model and the quantity of heating pipe are all 12-18 mutually.
The utility model has the advantages that apparent, be mainly manifested in:
1, the utility model decreases recuperative chamber quantity, improves conforming product rate, reduces cost.Because heating head assembly main parts size all adopts refractory alloy and heat-resisting steel material.Therefore more than 75% of overall cost is occupied from overall cost ratio cost of material.And bend pipe and welding cost only occupy 25%.Because piston cavity and recuperative chamber all adopt vacuum melting casting technique, relative product qualified rate is low, can the up-to-standard rate of double raising material and cost occupancy if reduce quantity in assembly.Reduce machining period simultaneously, thus reduce cost.
2, Tube Forming technique and feasibility problems under the main it is considered that traditional bent tube technique of prior art and appointed condition, the formation of the very difficult realization comparatively space pipe of difficulty.Along with the automaticity of the development angle pipe equipment of modern industry is more and more higher, bending quality and precise degrees have also been obtained improvement.Original employing craft or semi-automatic bend pipe scheme, all adopt a large amount of moulds of industrial equipment to drop into.And now need not numerous mould, just can realize tubular shape required for us and precision by the correction of program in CNC tube bending machine.Therefore this patent is mainly in conjunction with advanced production technology, optimize and Placement between the bend pipe in Creative Design space and correlated parts and order, thus reach with pipe amount reduce, add pipe arrangement compactness, improve being heated evenly property of heating pipe, reduce cost and fabrication cycle simultaneously.More the more important decreases volume pipeline section undoubtedly to greatest extent simultaneously, provides favourable conditions to engine output.
3, due to the minimizing of recuperative chamber quantity, other number of spare parts such as supporting regenerator and cooler decrease quantity too, improve manufacturing efficiency, decrease mounting process process, shorten installation time.Housing structure is improved simultaneously, decrease machining hole quantity and cylinder casting difficulty, originally had 12 mounting flange positions to change to 8 mounting flange positions.
The utility model have novel structure, simple, process easy, reduce manufacture difficulty, improve yield rate, reduce manufacture cost and other advantages, it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.
Accompanying drawing explanation
The utility model has 6 width accompanying drawings, wherein:
Accompanying drawing 1 the utility model structural representation;
The plan view of accompanying drawing 2 heating head assembly;
The plan view of accompanying drawing 3 heating head assembly;
The stereogram of accompanying drawing 4 heating head assembly;
Accompanying drawing 5 heating pipe b, c, d section plan;
Accompanying drawing 6 is layout of the present utility model figure.
In the drawings: 1, piston cavity 2, backheat cavity 3, heating pipe 4, temperature transducer.
Embodiment
Specific embodiment of the utility model as shown in drawings, solar energy Stirling engine heating head heat exchanger; It is characterized in that described solar energy Stirling engine heating head heat exchanger is made up of four groups of heating head assembly circumference array; Heating head assembly comprises piston cavity 1, backheat cavity 2, heating pipe 3, temperature transducer 4; Piston cavity and backheat cavity 2 are loaded on to be installed with on motor, and piston cavity and backheat cavity 2 relative phase angle on engine cylinder-body mounting point is 90 °; N number of heating pipe 3 is housed between often pair of piston cavity and backheat cavity 2, forms the sunlight be arranged in a combination by N number of heating pipe 3 and accept curved surface; In piston cavity and on heating pipe 3, multiple temperature transducer 4 is housed respectively.
The bottom of piston cavity is processed with mounting flange, and it is parallel that section installed by mounting flange mouth and motor; The axis of piston cavity is parallel with engine spindle, the top of piston cavity is processed with the step hole inserting heating pipe 3, every lattice step hole all coordinates empty and air flue vent to form by welding, airway pressure hole with weld matching hole and require coaxial, step hole step surface requires vertical with axis; The quantity of step hole and the quantity of heating pipe 3 are all 12-18 mutually; Welding matching hole selects vacuum brazing technique to be connected with between heating pipe 3, and the monolateral gap in heating pipe 3 and hole is 0-0.1mm.
The bottom of backheat cavity 2 is processed with mounting flange, and it is parallel that section installed by mounting flange mouth and motor; The axis of backheat cavity 2 is parallel with engine spindle.
Piston cavity, backheat cavity 2 heating pipe 3 and temperature transducer 4 adopt refractory alloy or heat-resisting steel material to make, and joint adopts the welding of high temperature vacuum brazing technique, makes heat exchanger component possess high temperature high voltage resistant characteristic.
Heating pipe 3 side to light adopts the linear or trapezoid spiral Alignment Design of spherical helix, often organize heat exchanger and form a heat exchanger surface by 12-18 root heat pipe, motor forms a complete motor transducer part by identical four groups of heat exchangers, transducer part forms the heating surface of an inner ball surface shape or inner concave shape, high-energy light-gathering light source is uniform illumination position in receiving surface comparatively, makes heating pipe 3 side to light obtain uniform Power supply everywhere; Spherical heat exchanger area and light heat source energy density matched design, make heating pipe 3 surface energy flux density be in suitable scope.
The heating pipe 3 of four heating head assemblies is respectively arranged 1 temperature transducer; Temperature transducer 4 is brazed in heating pipe 3 illumination dorsal part, can fully record outer tube wall true temperature; A temperature transducer 4 is also housed inside the chamber of confluxing of piston cavity, and temperature transducer 4 adopts vacuum brazing to weld, and ensures that interior working gas can not be leaked in the weld joint of temperature transducer 4; By inserting temperature transducer in the chamber of confluxing of piston cavity, detecting Temperature of Working, simultaneously by the information of the temperature transducer 4 of contrast heating pipe 3 illumination dorsal part, controlling entire engine power pressure and output power.
Every root heating pipe 3 forms by a, b, c, d, e section; The a section of each heating pipe 3 and e section are perpendicular to plane on piston cavity 1 and backheat cavity 2, are parallel to corresponding step hole axis; The b section of every root heating pipe 3, c section and d section design different size specification and segmental arc according to different engine power, but take tangent connection between each segmental arc, coherent, be connected without anxious back bending; Different engine design b section, c section are different with d section size simultaneously, and segmental arc quantity can adjust to be increased or reduce, and ensures that all spoolpiece size of side to light are the same.
The size that a section of every root pipe, b section, c section are all the same is formed, but because the step hole relative position being inserted into regenerator is different, consider to simplify production process and the consideration of component kind, d section and the e section of heating pipe 3 take different bending radius and angle simultaneously.The design of heating pipe mainly meets illuminating area and reaches engine design demand and reduce volume and channel volume undoubtedly to greatest extent simultaneously, and this is vital to whole Stirling engine.As shown in drawings, by finding suitable helical arrangement size to heating pipe b section and c section radian and size adjusting, reaching clear spacing between the pipe of front and back is reduced within 0.2 ~ 1mm, and increase light is irradiated to the ratio on heating pipe, reduces light leak, reduces heat loss.Because pipe demand is walked in space, the N number of step hole above recuperative chamber is using engine spindle as initial point, and the equal even angle arranged in arrays in interval on different concentric circles, concrete interval angles depends on arrangement pipe quantity.Concrete numerical value is 360 °/arrangement pipe quantity.Work it out like this pipe integral spacing evenly, to accept sunlight pipe end length consistent, ensure that power absorption is consistent simultaneously, there will not be local pipe end superheating phenomenon.
All parts of the present utility model are integrally welded to form the Stirling engine working substance circulatory system " energy receiver " by vacuum brazing technique.The heat input heat exchanger that four groups of heat exchanger assemblies become motor installed by four cylinder double-action Stirling engines.Often organize heat exchanger to be tightly connected by piston cavity 1 part and recuperative chamber 2 part and engine block.Heating pipe 3 operating temperature reaches tube wall temperature 760 DEG C, Working medium gas maximum pressure 20MPa, and gas is reciprocation cycle suck up outside heat in pipe, realizes transformation of energy with thermodynamic cycle acting.
Solar energy type Stirling engine design of heat exchanger takes into account engine cycle systematic parameter coupling and the aspect requirement of heat-energy transducer strength, and Structure and energy meets engine total performance requirement and manufacture process requirement.Heating pipe 3, temperature transducer cover 4, piston cavity 1, backheat cavity 2 material all adopt refractory alloy or heat-resisting steel material manufacture, and mutual connection adopts the welding of high temperature vacuum brazing technique, makes heat exchanger component possess high temperature high voltage resistant characteristic.
Heating pipe 3 side to light adopts the linear or trapezoid spiral Alignment Design of spherical helix, often organize heat exchanger and form a heat exchanger surface by 12 ~ 18 heating pipes 3, motor forms a complete motor transducer part by identical four groups of heating head assemblies, heating head assembly forms the heating surface of an inner ball surface shape or inner concave shape, high-energy light-gathering light source is uniform illumination position in receiving surface comparatively, makes heating pipe side to light obtain uniform Power supply everywhere.Spherical heat exchanger area and light heat source energy density matched design, make heating pipe surface energy flux density be in suitable scope.
The above; be only preferably embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; allly be familiar with those skilled in the art in technical scope disclosed in the utility model, be equal to replace or change according to the technical solution of the utility model and design of the present utility model thereof and all should be encompassed within protection domain of the present utility model.

Claims (8)

1. a solar energy Stirling engine heating head heat exchanger; It is characterized in that described solar energy Stirling engine heating head heat exchanger is made up of four groups of heating head assembly circumference array; Heating head assembly comprises piston cavity (1), backheat cavity (2), heating pipe (3), temperature transducer (4); Piston cavity (1) and backheat cavity (2) are loaded on to be installed with on motor, and piston cavity (1) and backheat cavity (2) relative phase angle on engine cylinder-body mounting point are 90 °; N number of heating pipe (3) is housed between often pair of piston cavity (1) and backheat cavity (2), forms the sunlight be arranged in a combination by N number of heating pipe (3) and accept curved surface; In piston cavity (1) and on heating pipe (3), multiple temperature transducer (4) is housed respectively.
2. solar energy Stirling engine heating head heat exchanger according to claim 1, it is characterized in that the bottom of described piston cavity (1) is processed with mounting flange, it is parallel that section installed by mounting flange mouth and motor; The axis of piston cavity (1) is parallel with engine spindle, the top of piston cavity (1) is processed with the step hole inserting heating pipe (3), every lattice step hole all coordinates sky and air flue vent to form by welding, airway pressure hole with weld matching hole and require coaxial, step hole step surface requires vertical with axis; Welding matching hole selects vacuum brazing technique to be connected with between heating pipe (3), and the monolateral gap in heating pipe (3) and hole is 0-0.1mm.
3. solar energy Stirling engine heating head heat exchanger according to claim 1, it is characterized in that the bottom of described backheat cavity (2) is processed with mounting flange, it is parallel that section installed by mounting flange mouth and motor; The axis of backheat cavity (2) is parallel with engine spindle.
4. solar energy Stirling engine heating head heat exchanger according to claim 1, it is characterized in that described piston cavity (1), backheat cavity (2) heating pipe (3) and temperature transducer (4) adopt refractory alloy or heat-resisting steel material to make, joint adopts the welding of high temperature vacuum brazing technique, makes heat exchanger component possess high temperature high voltage resistant characteristic.
5. solar energy Stirling engine heating head heat exchanger according to claim 1, it is characterized in that described heating pipe (3) side to light adopts the linear or trapezoid spiral Alignment Design of spherical helix, often organize heat exchanger and form a heat exchanger surface by 12-18 root heat pipe, motor forms a complete motor transducer part by identical four groups of heat exchangers, transducer part forms the heating surface of an inner ball surface shape or inner concave shape, high-energy light-gathering light source is uniform illumination position in receiving surface comparatively, makes heating pipe (3) side to light obtain uniform Power supply everywhere; Spherical heat exchanger area and light heat source energy density matched design, make heating pipe (3) surface energy flux density be in suitable scope.
6. solar energy Stirling engine heating head heat exchanger according to claim 1, is characterized in that described every root heating pipe (3) forms by a, b, c, d, e section; The a section of each heating pipe (3) and e section are perpendicular to piston cavity (1) and the upper plane of backheat cavity (2), are parallel to corresponding step hole axis; The b section of every root heating pipe (3), c section and d section design different size specification and segmental arc according to different engine power, but take tangent connection between each segmental arc, coherent, be connected without anxious back bending; Different engine design b section, c section are different with d section size simultaneously, and segmental arc quantity can adjust to be increased or reduce, and ensures that all spoolpiece size of side to light are the same.
7. solar energy Stirling engine heating head heat exchanger according to claim 1, is characterized in that the heating pipe (3) of four described heating head assemblies is above each and arranges 1-2 temperature transducer; Temperature transducer (4) is brazed in heating pipe (3) illumination dorsal part, can fully record outer tube wall true temperature; A temperature transducer (4) is also housed inside the chamber of confluxing of piston cavity (1), temperature transducer (4) adopts vacuum brazing to weld, and ensures that interior working gas can not be leaked in the weld joint of temperature transducer (4); By inserting temperature transducer in the chamber of confluxing of piston cavity (1), detect Temperature of Working, simultaneously by the information of the temperature transducer (4) of contrast heating pipe (3) illumination dorsal part, control entire engine power pressure and output power.
8. solar energy Stirling engine heating head heat exchanger according to claim 2, is characterized in that the quantity of described step hole and the quantity of heating pipe (3) are all 12-18 mutually.
CN201420533131.1U 2014-09-16 2014-09-16 Solar energy stirling engine heating head heat exchanger Expired - Fee Related CN204060967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420533131.1U CN204060967U (en) 2014-09-16 2014-09-16 Solar energy stirling engine heating head heat exchanger

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Application Number Priority Date Filing Date Title
CN201420533131.1U CN204060967U (en) 2014-09-16 2014-09-16 Solar energy stirling engine heating head heat exchanger

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Publication Number Publication Date
CN204060967U true CN204060967U (en) 2014-12-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265499A (en) * 2014-09-16 2015-01-07 大连宏海新能源发展有限公司 Heating head heat exchanger of solar Stirling engine
CN106152560A (en) * 2016-09-14 2016-11-23 深圳市爱能森科技有限公司 A kind of heat collector for solar thermal collector
CN106288451A (en) * 2016-09-14 2017-01-04 深圳市爱能森科技有限公司 A kind of solar thermal collector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265499A (en) * 2014-09-16 2015-01-07 大连宏海新能源发展有限公司 Heating head heat exchanger of solar Stirling engine
CN106152560A (en) * 2016-09-14 2016-11-23 深圳市爱能森科技有限公司 A kind of heat collector for solar thermal collector
CN106288451A (en) * 2016-09-14 2017-01-04 深圳市爱能森科技有限公司 A kind of solar thermal collector

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141231

Termination date: 20200916