JP6598003B2 - 給湯装置 - Google Patents
給湯装置 Download PDFInfo
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- JP6598003B2 JP6598003B2 JP2015148284A JP2015148284A JP6598003B2 JP 6598003 B2 JP6598003 B2 JP 6598003B2 JP 2015148284 A JP2015148284 A JP 2015148284A JP 2015148284 A JP2015148284 A JP 2015148284A JP 6598003 B2 JP6598003 B2 JP 6598003B2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 100
- 238000002485 combustion reaction Methods 0.000 claims description 91
- 238000011084 recovery Methods 0.000 claims description 60
- 239000000567 combustion gas Substances 0.000 claims description 52
- 238000001514 detection method Methods 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
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- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/235—Temperature of exhaust gases
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/345—Control of fans, e.g. on-off control
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- 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
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/0005—Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems
- F28D21/0007—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/395—Information to users, e.g. alarms
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
- F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
- F28D7/087—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions assembled in arrays, each array being arranged in the same plane
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
- F28F1/325—Fins with openings
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Control Of Combustion (AREA)
- Details Of Fluid Heaters (AREA)
Description
給湯装置1は、給湯機器や暖房機器等の熱源機として適用されるものであり、図1に示すように、燃料ガスを燃焼させて発生する熱を水又は湯水の加熱に利用して給湯するガス給湯器を構成している。
バーナー部3は、燃料供給管(図示略)から供給される燃料ガスと送風ファン2から供給される燃焼用空気を混合して燃焼するバーナーユニット11と、このバーナーユニット11を収容したバーナー缶体12と、このバーナー缶体12内におけるバーナーユニット11の上方の燃焼空間13等を備えている。バーナー缶体12は、上方が開口された直方体形状に形成されている。バーナー缶体12の下端部には、送風ファン2が設けられている。
図1〜図3(a)に示すように、熱交換器部4は、主として燃焼ガスの顕熱を回収する顕熱回収用熱交換器17と、この顕熱回収用熱交換器17で熱交換された後の燃焼ガス(排気)から主として潜熱を回収する潜熱回収用熱交換器19と、顕熱回収用熱交換器17を収容する下側熱交換器缶体18と、潜熱回収用熱交換器19を収容する上側熱交換器缶体20等を備えている。
顕熱回収用熱交換器17は、図3(a)、図4に示すように、伝熱管25と、この伝熱管25に伝熱可能に固定された複数のフィン26等からなるフィンアンドチューブ型の熱交換器を構成している。複数のフィン26は、下側熱交換器缶体18の内周面に夫々ロウ付けされている。伝熱管25及びフィン26は、銅製のものであるが、特にこの材質に限定する必要はなく、ステンレス製のものであってもよい。
図3(a)に示すように、潜熱回収用熱交換器19は、上側熱交換器缶体20の内部に複数の伝熱管29が螺旋状、蛇行状等に備えられている。
図3(a)に示すように、給湯装置1は、顕熱回収用熱交換器17にて熱交換された後の燃焼ガスの温度(排気温度)を検知する温度検知手段である温度検知センサ32を備えている。温度検知センサ32は、顕熱回収用熱交換器17と潜熱回収用熱交換器19の間の、給湯運転時に常時燃焼する燃焼部(燃焼段11b)の直上に対応する位置に、顕熱回収用熱交換器17における下流側の伝熱管27c,27dと熱交換した燃焼ガスの温度を検知可能に設けられている。
図1,図2に示す制御ユニット7は、給湯装置1の制御を行うものであり、各種のセンサが電気的に接続され、各種のセンサからの検知信号を受信するように構成されている。制御ユニット7は、操作リモコン等によって設定された給湯温度、給湯栓に供給される給湯量、各種のセンサから受信した検知信号に基づき、送風ファン2やバーナーユニット11等を駆動制御し、給湯運転を実行する。
図5に示すように、判定手段に相当する制御ユニット7は、温度検知センサ32によって検知される排気温度が設定温度以上になった場合に、顕熱回収用熱交換器17の伝熱管25内にスケールが堆積していると判定するスケール詰まり判定運転制御を実行可能である。このスケール詰まり判定運転制御の制御プログラムは、制御ユニット7に予め格納されている。尚、図中の符号Si(i=1,2,・・)は各ステップを示す。
本発明の給湯装置1は、燃焼ガス温度を検知するための温度検知センサ32と、この温度検知センサ32によって検知される検知温度が設定温度以上になった場合に顕熱回収用熱交換器17の伝熱管25内にスケールが堆積していると判定する制御ユニット7とを備えたので、スケール詰まりにより顕熱回収用熱交換器17の熱交換が阻害されて発生する排気温度の上昇を検知可能であり、燃焼ガス温度が設定温度以上になった場合、顕熱回収用熱交換器17にスケール詰まりが発生したことを正確に判定することができる。
[1]前記実施例の温度検知センサ32は、略水平に挿入されているが、給湯時に常時燃焼する燃焼部以外の燃焼部からの燃焼ガスが混合される影響を少なくするため、フィンに近づけるように斜め下方に向かって挿入され固定されていてもよく、温度検知センサ32の先端がフィンに近づくように下方に曲げられた状態で挿入され固定されていてもよい。
2 送風ファン
5 排気口
7 制御ユニット(判定手段)
11 バーナーユニット
17 顕熱回収用熱交換器
18 下側熱交換器缶体
19 潜熱回収用熱交換器
20 上側熱交換器缶体
24 排気出口
25 伝熱管
26 フィン
32 温度検知センサ(温度検知手段)
Claims (1)
- 複数の燃焼部を有するバーナーユニットで燃焼させる燃焼ガスによって上水を加熱するための熱交換器を備えた給湯装置において、
前記熱交換器は、燃焼ガスの顕熱を回収する顕熱回収用熱交換器と、この顕熱回収用熱交換器のガス流路下流側で燃焼ガスの潜熱を回収する潜熱回収用熱交換器とを有し、
前記顕熱回収用熱交換器において熱交換後の燃焼ガスの温度を検知するための温度検知手段と、この温度検知手段により検知される検知温度が設定温度以上になった場合に前記顕熱回収用熱交換器の伝熱管内にスケールが堆積していると判定する判定手段とを備え、
前記温度検知手段は、前記顕熱回収用熱交換器と前記潜熱回収用熱交換器の間の、給湯運転時に常時燃焼する燃焼部の直上に対応する位置に、前記顕熱回収用熱交換器における下流側の伝熱管と熱交換した燃焼ガスの温度を検知可能に設けられていることを特徴とする給湯装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015148284A JP6598003B2 (ja) | 2015-07-28 | 2015-07-28 | 給湯装置 |
US15/213,701 US20170030664A1 (en) | 2015-07-28 | 2016-07-19 | Hot water supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015148284A JP6598003B2 (ja) | 2015-07-28 | 2015-07-28 | 給湯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017026280A JP2017026280A (ja) | 2017-02-02 |
JP6598003B2 true JP6598003B2 (ja) | 2019-10-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015148284A Active JP6598003B2 (ja) | 2015-07-28 | 2015-07-28 | 給湯装置 |
Country Status (2)
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US (1) | US20170030664A1 (ja) |
JP (1) | JP6598003B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107560473B (zh) * | 2017-09-20 | 2024-01-02 | 广东万和新电气股份有限公司 | 一种板式换热器及燃气热水器 |
JP7135325B2 (ja) * | 2018-01-24 | 2022-09-13 | 株式会社ノーリツ | 熱交換装置および熱源機 |
EP3901550B1 (de) * | 2020-04-19 | 2022-11-02 | Bosch Termoteknik Isitmave Klima Sanayi Ticaret Anonim Sirketi | Ein system zur erkennung der verstopfung im wärmetauscher |
US11639799B2 (en) | 2020-12-17 | 2023-05-02 | Noritz Corporation | Hot water supply device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US6345769B2 (en) * | 2000-04-17 | 2002-02-12 | Canadian Gas Research Institute | Water heating apparatus with sensible and latent heat recovery |
JP3907032B2 (ja) * | 2000-10-04 | 2007-04-18 | リンナイ株式会社 | 給湯装置 |
JP2003254615A (ja) * | 2002-03-04 | 2003-09-10 | Matsushita Electric Ind Co Ltd | 給湯機 |
US8151872B2 (en) * | 2007-03-16 | 2012-04-10 | Centipede Systems, Inc. | Method and apparatus for controlling temperature |
JP4938639B2 (ja) * | 2007-12-27 | 2012-05-23 | 大阪瓦斯株式会社 | 燃焼装置 |
JP5370807B2 (ja) * | 2008-04-25 | 2013-12-18 | 株式会社ノーリツ | 潜熱回収型給湯装置 |
US8971694B2 (en) * | 2009-02-03 | 2015-03-03 | Intellihot Green Technologies, Inc. | Control method for a hybrid tankless water heater |
JP2014047980A (ja) * | 2012-08-31 | 2014-03-17 | Noritz Corp | 潜熱回収型給湯装置 |
-
2015
- 2015-07-28 JP JP2015148284A patent/JP6598003B2/ja active Active
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2016
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