baber/WOPTO huggingface dataset:
Patent JP-2011508837-A (JP)
Title: プレハブ建築構成部材および組み立て体装置
IPC: E04B1/76
Filed: 2008-10-17
Abstract: 産業、商業および住居建築産業用の価値、構造的な一体性、心地良さおよびエネルギーほぞんの立場で、より良い品質を提供する建築プロセス。本発明は垂直な複合断熱支持鋼部材である単一の構成部材から始め板ビーム複合断熱壁システム、床梁システム温度調節屋根システム、および連接した断熱パターンを用いて活性熱強制エアー空洞および不活性空洞を生成する。本発明を利用する全体の概念として構成部材およびパーツの設計に際し、プレハブ建築プロセスを容易化すると共に、エネルギーを保存するようその目的が向けられている。
Patent JP-2011522278-A (JP)
Title: ピアノ蓋の支持装置
IPC: G10C1/04
Filed: 2009-01-13
Abstract: ピアノリッドの重量を支持するための機構。ピアノリッドの開閉時にユーザを支持するために１以上の空気圧シリンダとアームが使用されている。１実施態様では、各空気圧シリンダ下方にてガイドカップがピアノのフレームに着脱式に取り付けられている。ピアノリッドが開状態のとき、空気圧シリンダのピストンアームがガイドカップと係合する。空気圧シリンダがピアノフレームに取り付けられていないので、工具を使用せずにピアノリッドを完全に外すことができる。別実施態様では、ピアノの後方フレーム上で合う取付ブラケットを提供しており、損傷を与えることなくこの機構のあらゆるピアノへの後設置を可能にしている。 【選択図】図８
Patent JP-2011511252-A (JP)
Title: 弾丸を武器の砲身内に支持するための装置、支持要素および方法
IPC: F41F1/06
Filed: 2009-01-30
Abstract: 本発明は、追撃砲用弾丸などの弾丸（１）を後装式武器の砲身内に支持するための装置に関する。装置は、追撃砲用弾丸の尾部に固定される支持要素（８）を備えている。当該要素は、縁フランジ（８７）と、前記支持要素を追撃砲用弾丸（１）の尾部に固定するための手段と、追撃砲用弾丸を発砲するために追撃砲用弾丸（１）の現行のプライマー（５）に点火するための点火手段（９）と、を備えている。前記装置は、前記支持要素を弾丸の尾管に固定するための手段が、弾丸の尾管（３）の上に留まる指状の固定部材（８０）であって、弾丸（１）が支持要素（８）内に配置されるときに弾丸（１）と支持要素（８）との間の締まりばめを形成するよう配置される固定部材（８０）によって支持要素（８）内に構成される、ことによって特徴付けられる。本発明はまた、追撃砲用弾丸（１）を後装式武器の砲身内に支持するための支持要素および方法に関する。
Patent JP-2011524094-A (JP)
Title: 信号のイノベーションのスパースサンプリング
IPC: H03H17/00
Filed: 2008-06-16
Abstract: シャノンの定理と関連する帯域が制限された信号の部分空間の外側からの信号を含む信号が取得され、その一方で許容可能な再構築が提供される。幾つかの態様においては、雑音除去プロセスがスパースサンプリング技法と併用される。例えば、Ｃａｄｚｏｗアルゴリズムを利用する雑音除去プロセスを、サンプリングされた情報と関連づけられた雑音量を低減させるために用いることができる。幾つかの態様においては、前記雑音除去プロセスは、前記サンプルの雑音が十分に除去されるまで前記雑音除去プロセスが繰り返される繰り返し方式にすることができる。幾つかの態様においては、前記雑音除去プロセスは、一組の受信されたサンプルを、有限のイノベーションレート（ＦＲＩ）を有する信号に対応する、又は該信号の近似信号に対応する、他の組に変換する。この開示は、幾つかの態様においては、雑音除去プロセスと無効化フィルタ法を組み合わせて雑音を有する、スパースサンプリングされた信号から情報を取り出すことに関するものである。この開示は、幾つかの態様においては、前記信号と関連づけられた雑音に基づいて前記信号をサンプリングするために用いられるサンプリングカーネルを決定することに関するものである。この開示は、幾つかの態様においては、信号と関連づけられた雑音に基づいてある期間にわたって前記信号から得るべきサンプル数を決定することに関するものである。この開示は、幾つかの態様においては、受信された信号の有限のイノベーション数を決定することに関するものである。 【選択図】図２
Patent JP-2011514468-A (JP)
Title: 低炭素排出複合サイクル発電プラント及び方法
IPC: F02C7/00
Filed: 2009-01-22
Abstract: 低炭素排出複合サイクル発電プラントは、煙道ガスから二酸化炭素（３９）を分離するために極低温で働く渦ノズル（３８）を使用する。プラントの複雑さは、プラントのガスタービン機関構成部材（１０）を少なくとも２ｂａｒのタービン排気圧力で作動させることによって最小限に抑えられ、これにより、排熱回収ボイラ（１９Ａ）と、ガス冷却システム（３０，３３，３６）と、渦ノズルの入口とを含む、プラントの下流構成部材は、全て、少なくとも２ｂａｒの同じ圧力で働く。渦ノズル（３８）を通過する煙道ガス（３７）における二酸化炭素濃度を高め、これにより、煙道ガスからの二酸化炭素の除去効率を高めるために、排熱回収ボイラ（１９Ａ）から出る煙道ガスは、圧縮機の圧力が煙道ガス圧力と合致する、ガスタービン機関の圧縮機における位置（Ｌ、図４）に再循環させられる。
Patent JP-2011512966-A (JP)
Title: 駆動ユニットを有する家具駆動装置
IPC: F16H19/02
Filed: 2009-02-19
Abstract: 【課題】   本発明の目的は、家具駆動装置と共に動かされる家具部分の始動および減速を提供する単純構造の装置を有する家具駆動装置を提供することである。 【解決手段】 本発明は、電動モータ（３）を有する駆動ユニットと、軸周囲で回転できるローラ（５）と含んだ家具駆動装置（２）に関し、ローラ（５）はフレキシブルな力伝達手段（２６）を取付けまたは巻き上げるための表面を有している。本発明によれば表面の半径距離は、力伝達手段（２６）のためのコントロールカム（６、７）を形成するためにローラ（５）の回転方向に変化することを特徴とする。 【選択図】  図２
Patent JP-2011513595-A (JP)
Title: 基板上に膜を堆積させるための方法
IPC: C23C14/06
Filed: 2009-03-02
Abstract: 【解決手段】スパッタリング堆積プロセスによって基板上に膜を堆積させるための方法が開示される。スパッタリング堆積プロセスは、直流スパッタリング堆積であり、膜は、半導体特性を有する少なくとも９０質量％の無機材料Ｍ２で構成され、無機材料Ｍ２の膜は、結晶構造として直接堆積されるので、堆積される膜の少なくとも５０質量％は、結晶構造を有し、スパッタリング堆積に使用されるソース材料（ターゲット）は、少なくとも８０質量％の無機材料Ｍ２で構成され、無機材料は、硫黄、セレン、テルル、インジウム、及び／又はゲルマニウムを含む、二成分、三成分、及び四成分の化合物を含む群より選択される。 【選択図】なし
Patent JP-2012141230-A (JP)
Title: Nondestructive testing system
Inventor: HASHIBA KUNIO
IPC: G01N29/00
Filed: 2011-01-04
Abstract: PROBLEM TO BE SOLVED: To provide a nondestructive testing system that uses an ultrasonic wave to evaluate stress within a test object or stress distribution in a nondestructive manner.SOLUTION: A nondestructive testing system comprises: ultrasonic transmitting means for transmitting an ultrasonic wave from a surface of the test object to the inside thereof; ultrasonic receiving means for using the surface of the test object to receive a transmitted wave that is transmitted through the inside of the test object or a reflective wave that reflects within the test object; arithmetic processing means for obtaining ultrasonic propagation time from when the ultrasonic wave is transmitted by the ultrasonic transmitting means until when the transmitted wave or the reflective wave is received by the ultrasonic receiving means, for obtaining sonic velocity in a relevant ultrasonic propagation path, and for obtaining stress from the sonic velocity based on an acoustoelastic effect concerning the test object; display means for displaying information about the stress based on results of the arithmetic processing means; and control means for controlling timing to operate the ultrasonic transmission means and the ultrasonic receiving means, ultrasonic transmitting and receiving conditions, the arithmetic processing means and the display means.
Patent JP-2011068697-A (JP)
Title: Fused-aryl and heteroaryl derivative as modulator of metabolism and prophylaxis and treatment of disorder related to metabolism
Inventor: JONES ROBERT M
IPC: A61P3/06
Filed: 2011-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide modulators of metabolism.  <P>SOLUTION: There are provided certain fused-aryl and heteroaryl derivatives of formula (I) that are modulators of metabolism. Accordingly, the compounds are useful in the prophylaxis or treatment of metabolic disorders and complications thereof (such as, diabetes and obesity). A compound bonding to GPCR called RUP3 in the specification and modulating the activity of GPCR, and uses thereof, are provided. The term RUP3 includes human sequences shown in Genbank Accession Number XM_066873 and AY288416, naturally existing allele variants of the sequence, mammalian orthologs thereof, and recombinant variants thereof.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012147580-A (JP)
Title: Vehicle information management system, vehicle-mounted information terminal and vehicle information providing device
Inventor: NAKAGAWA SHINJI
IPC: B60W10/26
Filed: 2011-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle information management system that can upload vehicle information including a state of a storage battery to a center at required timing and in a required amount of information and can manage the information, and to provide a vehicle-mounted information terminal and a vehicle information providing device, which are used for the system.SOLUTION: The vehicle-mounted information terminal 100 collects vehicle information including charge information indicating a charging status of the storage battery B mounted on a vehicle C. The vehicle-mounted information terminal 100 monitors the state of the vehicle C, and based on the monitoring results, uploads the vehicle information to a management center 200 when the status of the vehicle C shifts to a preliminarily determined state at which vehicle information should be uploaded to the management center 200.
Patent JP-2012146847-A (JP)
Title: Nitride semiconductor light-emitting element and semiconductor optical device
Inventor: OTA MASATAKA
IPC: H01L33/32
Filed: 2011-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a nitride semiconductor light-emitting element having a wide light-emitting region by improving current spread in the lateral direction.SOLUTION: A nitride semiconductor light-emitting element comprises: an n-side nitride semiconductor 20; an active layer 30 that is formed on the n-side nitride semiconductor 20 and has a quantum well structure including a quantum well layer 32 and a barrier layer 31; and a p-side nitride semiconductor 40 formed on the active layer 30. The quantum well layer 32 and the barrier layer 31 in the active layer 30 are each composed of a nitride semiconductor containing Al. The n-side nitride semiconductor 20 comprises a nitride semiconductor layer 21 having a -c plane (nitrogen polarity) as a primary surface 21a and an Al composition inclined layer 22 formed on the active layer 30 side with respect to the nitride semiconductor layer 21.
Patent JP-2012145308-A (JP)
Title: Blowoff device for air-conditioning/ventilation
Inventor: HAYASHI YASUHIRO
IPC: F24F13/10
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a blowoff device for air-conditioning/ventilation, organically relating to a blowoff guide to the orthogonal direction on the assumption that a simple switching fin shaft body type blown-off air guide means is applied.SOLUTION: This blowoff device for air-conditioning/ventilation includes a chamber box 2 forming a proper closed space while communicated with the other place at an air guide section 20 and a blowoff hole 23, and a wind direction switching unit 3 incorporated in the chamber box 2, and a gas introduced into the chamber box 2 is blown off toward a prescribed direction by the wind direction switching unit 3. The wind direction switching unit 3 is configured by assembling a switching fin shaft body 35 formed by fixing an oval fin blade 37 to a rotating shaft 36 in an inclined manner, inside of a cylindrical switching outer cylinder 30 including an air guide hole 31 and a blowoff slit 32, the switching outer cylinder 30 and the switching fin shaft body 35 are independently rotated and driven, and the wind direction of the blown-off wind F to a fin oscillating direction is determined according to the inclination of the fin blade 37.
Patent JP-2012145311-A (JP)
Title: Vehicle air conditioning device
Inventor: NAKAMURA MITSUGI
IPC: B60H1/08
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To achieve miniaturization and improve productivity of a heat exchanger for heating, which includes a first heat core for exchanging heat between first liquid and blowing air to inside a vehicle cabin, and a second heat core for exchanging heat between second liquid, which has a high temperature and small flow rate than that of the first liquid, and blowing air heated by the first heat core.SOLUTION: The first heat core 10 and the second heat core 20 of the heat exchanger 2 for heating include a plurality of accumulated flat tubes 11 and 21, and inlet side tanks 12 and 22 to become cooling water inlet sides communicating to one sides in longitudinal directions of a plurality of tubes 11 and 21. At this point, the inlet side tanks 12 and 22 of the first heat core 10 and the second heat core 20 are integrated as a structure for dividing inside of one inlet side tank 50 into two by a partition wall 51. Furthermore, tubes 11 and 21 are integrated as well as fins 14 and 24 are integrated in the first heat core 10 and the second heat core 20.
Patent JP-2012149122-A (JP)
Title: Method for producing molding of polylactic acid resin composition and molding obtained by the method
Inventor: ISHIZU SHINOBU
IPC: C08L101/16
Filed: 2011-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a molding of a polylactic acid resin composition of which shrinkage by heating is significantly suppressed and also heat resistance, a weak point of a polylactic acid resin, is significantly improved.SOLUTION: The method for producing the molding of the polylactic acid resin composition is provided, which includes (1) a step of obtaining a composition including a polylactic acid resin and a liquid crystal polymer by blending 7-50 pts.wt. of the liquid crystal polymer relative to 100 pts.wt. of the polylactic acid resin with the polylactic acid resin and performing melt kneading at a temperature of 170-250°C, (2) a step of obtaining a molding by performing melt processing of the composition obtained in the step (1), and (3) a step of performing heat processing of the molding obtained in the step (2) at a temperature of 102-140°C for 5-55 minutes.
Patent JP-2012009809-A (JP)
Title: Phase change memory coding
Inventor: YONG SANG-RAN
IPC: H01L27/10
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a phase change memory device that can retain data even during a heat event under high temperature environment and soldering related to attachment process.SOLUTION: An integrated circuit phase change memory can be pre-coded by inducing a first resistance state in some cells and the memory, and a second resistance state in some other cells in the memory to represent a data set. The integrated circuit phase change memory is mounted on a substrate after coding the data set. After mounting the integrated circuit to a substrate, the data set is read by sensing the first and second resistance states, and changing the first resistance state to a third resistance state and changing second resistance state to a fourth resistance state. The first and second resistance states maintain a sensing margin after solder bonding or other thermal cycling process. The third and fourth resistance states are characterized by the ability to cause a transition using higher speed and lower power.
Patent JP-2012160417-A (JP)
Title: Lighting fixture
Inventor: YASUOKA TAE
IPC: F21V3/02
Filed: 2011-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a lighting fixture with a side of the fixture body and a light source covered with one shade, that can make heat dissipation characteristics excellent, prevent shadow on the shade, and reduce size.SOLUTION: The lighting fixture 10 includes: a fixture body 11 formed into a bottomed-cylindrical shape, and set on a working surface side; a light-emitting element mounted on a rear surface of the bottom part of the fixture body 11; and a shade 14 covering the side of the fixture body 11 and the light-emitting element. The fixture body 11 includes a slant surface 20 from a mounting surface of the light-emitting element toward sideways, and a plurality of heat dissipation fins 21 erected toward the working surface from the light-emitting element on the slant surface 20.
Patent JP-2012163635-A (JP)
Title: Image forming device
Inventor: KOSUGE AKIO
IPC: G03G15/02
Filed: 2011-02-03
Abstract: PROBLEM TO BE SOLVED: To prevent deposits accumulated on a surface of deposits removing means from reattaching to charging means by preventing deposits such as lubricant particles from being firmly attached to a surface of the charging means.SOLUTION: In order to prevent the deposits (particularly the lubricant particles) to the charging means from being firmly attached to the surface of the charging means, an image forming device includes, e.g., lubricant supply means for supplying a lubricant 78 to a photoreceptor 40 on which a latent image is formed; a charging roller 70 for charging the photoreceptor 40; and the deposits removing means for removing deposits on the surface of the charging roller 70. The charging roller 70 is arranged adjacent to the image photoreceptor 40, and the deposits removing means is arranged adjacent to the charging roller 70. The image forming device further includes a counter electrode roller 90 for removing deposits on the surface of the charging roller 70 with an electrical field, and cleaning means brought into contact with the counter electrode roller 90 and for cleaning the counter electrode roller 90.
Patent JP-2012163692-A (JP)
Title: Voice signal processing system, voice signal processing method, and voice signal processing method program
Inventor: MIKI SEIICHI
IPC: G10L25/51
Filed: 2011-02-04
Abstract: PROBLEM TO BE SOLVED: To preferably utilize environment sounds such as noise at the time when voice for voice recognition is input, and features such as voice volume of the input voice and disruption of a voice signal.SOLUTION: A voice signal processing system includes: voice input means 101 for inputting a voice signal; input voice storage means 102 for storing an input voice signal that is the voice signal input through the voice input means 101; feature estimation means 103 for referring to the input voice signal stored in the input voice storage means 102 and estimating features of the input voice shown by the input voice signal that includes environment sounds included in the input voice signal; reference voice generation means 104 for generating a predetermined voice signal that is to be reference voice; and feature reflection means 105 for reflecting the feature of the input voice estimated by the feature estimation means 103 on a reference voice signal that is the voice signal generated by the reference voice generation means 104.
Patent JP-2011141554-A (JP)
Title: Driver circuit for performing progressive scanning and interlace scanning
Inventor: SHIN DONG-YONG
IPC: G02F1/133
Filed: 2011-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a scan driver circuit that can selectively perform progressive scanning and interlace scanning.  <P>SOLUTION: The scan driver circuit includes an odd-numbered signal generator including a plurality of odd-numbered scan units and generating an odd-numbered signal, in response to a mode selection signal for selecting the progressive scanning operation and interlaced scanning operation; an even-numbered signal generator including a plurality of even-numbered scan units and generating an even-numbered signal, in response to the mode selection signal; and a scan and emission control signal former receiving an impulse signal, and the odd-numbered signal or the even-numbered signal, generating the scan signal by a logical operation, and inverts the odd-numbered signal or the even-numbered signal, to generate an emission control signal.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012163073-A (JP)
Title: Fuel injection condition analyzing device
Inventor: YAMADA NAOYUKI
IPC: F02M65/00
Filed: 2011-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection condition analyzing device to improve the arithmetic processing efficiency for the analysis of an injection condition.SOLUTION: The fuel injection condition analyzing device is applied to a fuel injection system provided with: a fuel injection valve 10 for injecting the fuel having a pressure accumulated by a common rail (accumulation container); and a fuel pressure sensor 20 arranged in a fuel passage from a discharge port of the common rail up to an injection hole of the fuel injection valve and detecting the fuel pressure. Also, the fuel injection condition analyzing device includes an injection rate parameter calculation means 31 (analysis means) for analyzing the fuel injection condition based on the variation of the detected value of the fuel pressure sensor 20 accompanying the fuel injection. In the fuel injection condition analyzing device, the analysis by the injection rate parameter calculation means 31 is intermittently executed without continuously executing for each injection when the fuel is sequentially injected from the fuel injection valve 10 of each cylinder.
Patent JP-2012169374-A (JP)
Title: Ag-Au-Pd TERNARY ALLOY BASED BONDING WIRE
Inventor: CHIBA ATSUSHI
IPC: H01L21/60
Filed: 2011-02-10
Abstract: PROBLEM TO BE SOLVED: To enhance the bonding reliability of an aluminum pad in a bonding wire for semiconductor used in a high temperature, high humidity environment.SOLUTION: The ternary alloy based bonding wire, which is the bonding wire for semiconductor, is composed of 4-10 mass% of gold having purity of 99.999 mass% or higher, 2-5 mass% of palladium having purity of 99.99 mass% or higher, and the reminder of silver having purity of 99.999 mass% or higher. An oxidizing non-noble metal j element is contained by 15-70 mass ppm, annealing heat treatment is performed before continuous dice wire drawing, conditioning heat treatment is performed after continuous dice wire drawing, and then ball bonding is performed in nitrogen atmosphere. On the bonding interface of an Ag-Au-Pd ternary alloy wire and an aluminum pad, corrosion between an AgAl intermetallic compound layer and the wire is suppressed by AuAl and a Pd concentration layer.
Patent JP-2012168331-A (JP)
Title: Endoscopic device and acquisition method of reference image thereof
Inventor: NUMATA KENJI
IPC: A61B1/00
Filed: 2011-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an endoscopic device and an acquisition method of a reference image thereof, which is capable of accurately and easily acquiring a reference image.SOLUTION: An endoscopic device 1 comprises: a main body part 4 detachable from a scope 7 including an imaging device on an end part 8 of an insertion part thereof; a video signal processing part 22 which is provided in the main body part 4, drives the imaging device and processes a video signal obtained by imaging with the imaging device; and a control part 21 for displaying a predetermined message on a display part 5 to notify a user of a light shielding instruction for the end part 8, heating the imaging device after the display of the predetermined message, acquiring a reference image by driving the imaging device in a state where the imaging device is at a predetermined temperature, and storing the reference image in a predetermined memory.
Patent JP-2012167057-A (JP)
Title: Compound, method for producing the same, thin film comprising the compound, and organic transistor comprising the thin film
Inventor: MIYATA YASUO
IPC: C07F7/08
Filed: 2011-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a new compound giving a thin film of an organic semiconductor active layer.SOLUTION: There is disclosed a compound represented by formula (1) [in the formula, X, Y, W and Z each independently represents a sulfur atom, an oxygen atom or a selenium atom; n represents 0 or 1; and P, P, Qand Qeach independently represents a group represented by formula (2) (in formula (2), R represents a hydrogen atom, an alkyl group that may contain a substituent, an aryl group that may contain a substituent, or a silyl group), an aromatic hydrocarbon group, or an aromatic heterocyclic group, provided that at least one group among P, P, Qand Qis a compound represented by formula (2)].
Patent JP-2011169098-A (JP)
Title: Vibration-reduced operation unit
Inventor: LAUGWITZ NIELS
IPC: E01C19/34
Filed: 2011-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an operation unit which reduces vibration transmission.  <P>SOLUTION: A vibration-reduced operation unit is installed in a manual operation type compactor (1), such as a plate compactor. The vibration-reduced operation unit is provided with at least a cord-shaped component having flexibility as a partial component. This component is installed only for transmitting a tractive force.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012174788-A (JP)
Title: Solar power generation device
Inventor: SHIRAMIZU SHOJI
IPC: H01L31/042
Filed: 2011-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a solar power generation device which efficiently spreads and overlaps multiple solar cell modules and changes inclination angles of the respective solar cell modules.SOLUTION: A solar power generation device 10 includes: a pair of support frames 20; multiple solar cell modules 30 supported by the support frames 20 so as to rotate and slide; a connection member 40 connecting the adjacent solar cell modules 30 with each other so as to move close to or away from each other; a slide mechanism 50 which moves the solar cell module 30 located at one end of the alignment of the solar cell modules 30 along the support frames 20 to change the solar cell modules 30 between a folded state and an open state; and an inclination mechanism 60 changing an inclination angle of each solar cell module 30.
Patent JP-2012172879-A (JP)
Title: Boiler
Inventor: UESASA MASAHITO
IPC: F22B37/56
Filed: 2011-02-21
Abstract: PROBLEM TO BE SOLVED: To remove scales as preliminarily planned by injecting a required amount of a scale remover, even when scales in a temperature sensor mounting portion or nearby area is peeled.SOLUTION: A boiler includes a temperature sensor 14 detecting temperature of a water tube 4, a chemical injection device 16 injecting a scale remover to a water feeding line 12, and a controller 11 controlling an operation of the chemical injection device 16 based on a detection value of the temperature sensor 14. The controller 11 starts injection of the scale remover by the chemical injection device 16 when a detection value of the temperature sensor 14 reaches a first set value or more, and stops injection of the scale remover after a set injection time has passed.