baber/WOPTO huggingface dataset:
Patent WO-2011021207-A2 (WO)
Title: Installation de biométhanisation améliorée utilisant des déchets biodégradables
Inventor: VASUDEO G
Filed: 2010-07-05
Abstract: Linvention concerne un appareil de production de biogaz comportant un ballon de gazomètre (5) et un digesteur (9), et présentant au moins une des caractéristiques ou au moins un des éléments choisis dans le groupe suivant : (a) ledit ballon de gazomètre est équipé dun brise-croûte qui peut être un élément de structure fixé à une extrémité au tube-guide (3) et à lautre extrémité de la paroi interne du ballon de gazomètre (5), (b) ledit gazomètre est équipé dun tuyau central (un tube-guide), (c) un tuyau dadmission (2) qui est intégré au gazomètre, (d) qui peut être fixé au tube central, (e) une caractéristique structurelle de conception incorporée audit gazomètre formant des brises-croûtes (4) qui dispersent lécume flottante et agitent la matière organique introduite en fermentation avec le mouvement de va-et-vient du gazomètre et sous leffet dun mouvement rotatif contrôlé, (f) le fait de permettre lévacuation de la bouillie digérée par un agencement de tuyau dévacuation (8), le tuyau partant de la partie interne de la cuve du digesteur à proximité de lextrémité supérieure, (g) la partie inférieure du tuyau (8) est équipée dun système dévacuation durgence de bouillie (11), (h) un écoulement de sortie pour leau (10) qui se raccorde à la chemise deau, (i) une évacuation pour substrat (12) servant à vider le contenu du digesteur à chaque fois que cela est nécessaire, Q) une chemise deau (7) servant à empêcher lexposition à latmosphère ouverte des déchets organiques se trouvant dans le digesteur, à empêcher une fuite de gaz dans latmosphère et à isoler thermiquement le digesteur. Lappareil de production de biogaz de la présente invention peut être assemblé en une seule pièce sans partie saillante, ce qui est commode pour le conditionnement et le transport, et peut avoir diverses capacités, comme un modèle pour cuisine servant à digérer des déchets de cuisine et/ou un grand éventail de déchets organiques. Lappareil de production de biogaz peut être peint en noir pour améliorer lefficacité thermique. Le digesteur peut être fabriqué à partir de briques de maçonnerie, de ferrocrete, de ferrociment ou de R.C.C, tandis que le gazomètre peut être fabriqué à partir dun plastique renforcé avec des fibres de verre (FRP), dun polyéthylène haute densité (HDP) ou de nimporte quel autre matériau non corrosif.
Patent WO-2016098120-A2 (WO)
Title: Extrait de plante unique pour le traitement du syndrome des ovaires polykystiques (sopk)
Inventor: Sharma ashok
IPC: A61K36/48
Filed: 2015-02-11
Abstract: L'invention concerne un extrait de plante unique pour le traitement du syndrome des ovaires polykystiques (SOPK) administré sous la forme de capsules de 500 mg, deux fois par jour pendant 30 à 90 jours. L'extrait est obtenu à partir de graines de fenugrec par une méthode d'extraction spécifique, et comprend cinq saponines de furostanol présentes selon les rapports synergiques indiqués dans le tableau 1 et le profil analytique illustré en figure 1.
Patent WO-2023209740-A2 (WO)
Inventor: GHAZANFARI SALMAN
Filed: 2022-04-27
Abstract: This invention can be installed in various ways including stone, aluminum composite, glass or concrete facades on the walls, building roofs, canopies with any shape and form and can be used in any weather, geographical and climatic conditions. This invention, called smart facade with radiant cooling and heating collector, is an intelligent system that as a collector, absorbs the energy of direct, diffused and reflected solar radiation and converts it into heat, and can also use heat exchange with the sky by radiation method to lose heat and generate cooling, that to be used at the desired times and conditions for the necessary heating and cooling.
Patent WO-2005096403-A2 (WO)
Inventor: KOMATSU TAKAHIRO
IPC: H01L21/314
Filed: 2005-03-30
Abstract: The organic photoelectric conversion element in accordance with the invention comprises at least one pair of electrodes 12 and 16, a photoelectric conversion region (layer) 15 arranged between the electrodes and containing at least an electron donating organic material and an electron accepting organic material, and a buffer layer 14 containing at least one inorganic matter and inserted between the photoelectric conversion region and at least one electrode of the above-cited pair of electrodes.
Patent WO-2013031784-A2 (WO)
Title: Press-fit terminal for board connector and fixing structure of press-fit terminal to connector housing
Inventor: SUZUKI ETSUROU
IPC: H01R13/40
Filed: 2012-08-22
Abstract: A press-fit terminal includes an electric connecting part provided in a front part of the press-fit terminal to be electrically connected to a mating connector terminal; a rear leg part provided in a rear part of the press-fit terminal to be inserted and fixed to a through hole of a circuit board; and an engaging part provided in an intermediate part between the electric connecting part and the rear leg part to be press-fitted to a press-fit hole of a wall part of a connector housing. The rear leg part is formed in a shape of a round pin having a circular form in cross-section. The rear leg part may be designed to have a diameter in cross-section being smaller than a minimum dimension between opposed inner wall surfaces of the press-fit hole of the connector housing.
Patent WO-2021066185-A2 (WO)
Inventor: HIRAI MASAYOSHI
IPC: B44F1/06
Filed: 2020-10-04
Abstract: [Problem] To provide: a decorative body in which a protective plate bonds well to a base material part using a background technology; a decorative body manufacturing apparatus for manufacturing the decorative body; and a decorative body manufacturing method. [Solution] A decorative body comprising a front surface portion, a rear surface portion, groove portions, and an upper surface portion, wherein the decorative body is characterized in that: the rear surface portion opposes the front surface portion, and the upper surface portion and the groove portions are at least partially in contact with each other; the upper surface portion is nearer the front surface portion-side than the groove portions; at least one of the groove portions and the upper surface portion can be observed through at least one of the front surface portion and the rear surface portion; the outermost part of the upper surface portion in the width direction of the groove portions is either at the same position or farther to the outside in the width direction than the outermost part of the groove portions on the front surface portion-side; and the upper surface portion is not exposed to the front surface portion.
Patent WO-2009014280-A2 (WO)
Title: Method of controlling display characteristic and display apparatus using the same
Inventor: KIM JU SEON
IPC: H04N5/445
Filed: 2007-11-05
Abstract: The method of controlling display characteristic provides an on-screen display (OSD) of display characteristics values automatically controlled according to ambient illuminance levels, to enable user recognition and confirmation of current values. The display apparatus adopting the method includes a display module (107) for displaying a video signal; an illuminance sensor (101 ) for detecting a level of ambient illuminance; a system controller (103) for adjusting, based on the detected ambient illuminance, at least one display characteristic of the display module (107) and for generating a set of control values corresponding to the adjusted at least one display characteristic; a display characteristic controller (104) for controlling the display module (107) using the adjusted at least one display characteristic; and an OSD generator (108) for generating OSD data for display on a display screen together with the video signal, the displayed OSD data corresponding to the display characteristic control values of the adjusted at least one display characteristic.
Patent WO-2008133434-A2 (WO)
Title: Structure de liaison pour parasol
Inventor: SONG KEUN SUNG
IPC: A45B17/00
Filed: 2008-04-23
Abstract: L'invention concerne une structure de liaison destinée à relier un parasol qui comprend un montant et un parasol à un autre parasol. La structure de liaison comprend un ensemble de premières unités de fixation dans lesquelles des trous de fixations sont ménagés, la fixation des montants s'effectuant par introduction dans lesdits trous, un ensemble de secondes unités de fixation opposées aux premières et dans lesquelles des trous de fixation sont ménagés, une paire d'unités de liaison disposée entre les premières et secondes unités de fixation, et une paire de parties de liaison possédant une paire de barres de liaison articulées les unes aux autres, les extrémités respectives des barres de liaison étant articulées sur les premières unités de fixation, les secondes unités de fixation et les unités de liaison de manière que celles-ci soient reliées entre elles de façon pliables, l'unité de liaison et la partie de liaison étant disposées entre les premières et secondes unités de fixation en plusieurs éléments. C'est pourquoi il est possible d'ajuster simplement un intervalle d'une paires de montants à des intervalles prédéfinis par liaison de plusieurs éléments de liaision à une première unité de fixation, une seconde unité de fixation et une partie de liaison afin de permettre la variation sa longueur.
Patent WO-2009017355-A2 (WO)
Inventor: BYUN SANG-MYUNG
IPC: F04B53/00
Filed: 2008-07-29
Abstract: Disclosed are a valve assembly (100) and a compressor having the same. In the valve assembly (100) and the compressor having the same according to the present invention, the sliding valve (130) for controlling the flow direction of the liquid is made of a high-temperature proof material having good lubricity, thereby preventing the deformation or damange of the sliding valve (130) during the assembly process of the valve assembly (100) or due to the drying occurring when the compressor adapting the valve assembly (100) is dried, thus to increase the reliability of the valve assembly (100) as well as enhance the efficiency of the compressor adopting the same.
Patent WO-2009020315-A2 (WO)
Title: Unite de pixel séparée empêchant la diminution de la sensibilité et procédé de commande mettant en oeuvre cette unité de pixel
Inventor: LEE DO YOUNG
IPC: H01L27/146
Filed: 2008-08-04
Abstract: L'invention concerne une unité de pixel de type séparation servant à éviter que la diminution de sensibilité empêche la réduction d'une zone d'appauvrissement, ainsi qu'un procédé servant à commander l'unité de pixel. Cette dernière comprend: un substrat; une photodiode comportant une jonction de zone de diffusion de type P et d'une zone de diffusion de type N situées verticalement sous une surface du substrat; un conducteur d'électrode de grille placé sur une partie supérieure de la surface du substrat en position contiguë à la zone de diffusion de type P ou de type N; une zone de diffusion flottante créée de façon à être située en position contiguë à une autre surface du conducteur d'électrode de grille; un conducteur empêchant la diminution de la sensibilité placé sur une partie supérieure de la zone de la photodiode afin de recouvrir ladite zone.
Patent WO-2009072758-A2 (WO)
Title: Method for controlling heating system
Inventor: KIM SI-HWAN
IPC: F24D19/10
Filed: 2008-11-18
Abstract: Provided is a method for controlling a heating system capable of uniformly heating the respective rooms by proportionally calculating heat supplies required by the respective rooms, even when the heat supplies required for heating the respective rooms are different from each other depending on indoor temperature conditions and external conditions of the respective rooms. The method for controlling a heating system adjusts flow rates of heating water supplied into the respective rooms by adjusting opening rates of a plurality of room valves installed on heating water pipes, characterized in that current temperature differences between temperatures set for the respective rooms and indoor temperatures measured in the respective rooms are calculated, and opening rates of the room valves of the other rooms, except rooms having the current temperature difference larger than a previously set temperature difference, are reduced.
Patent WO-2009075484-A2 (WO)
Title: Procédé pour un mappage de canal indicateur de format de contrôle physique
Inventor: LEE JUNG HOON
IPC: H04L27/26
Filed: 2008-12-01
Abstract: L'invention porte sur un procédé de mappage de symboles d'un canal indicateur de format de contrôle physique (PCFICH). Une position de départ d'un élément de ressource pour mapper les symboles pour le PCFICH est déterminée par minoration d'une valeur, obtenue par multiplication du nombre de blocs de ressource par une variable proportionnelle à un indice de symbole pour le PCFICH et ensuite par division par 2 du résultat multiplié, les blocs de ressource étant transmis en liaison descendante. Les symboles sont mappés dans la position de départ. Ensuite, un problème de perte d'éléments de ressource ou d'incapacité à mettre en œuvre un mappage peut être résolu par application d'une règle de mappage simple, tout en mappant des symboles du PCFICH.
Patent WO-2009116764-A2 (WO)
Title: Cell migration, cell infiltration, or neovascularization inhibitor through degradation of function of ptk7 protein
Inventor: LEE SEUNG-TAEK
IPC: A61P35/00
Filed: 2009-03-16
Abstract: The present invention relates to a cell migration, cell infiltration, or neovascularization inhibitor through the degradation of a function of the PTK7 protein. The inhibitor of the present invention inhibits neovascularization, cell migration, cell infiltration, and cell adhesion caused by VEGF, and inhibits activation of PI3-kinase and Akt. Further, the inhibitor of the present invention inhibits the activation of FAK and paxilline, thus effectively inhibiting neovascularization, cell migration, and cell infiltration in a living body.
Patent WO-2009151256-A2 (WO)
Title: Method for preparing clopidogrel and its derivatives
Inventor: HWANG SOON OOK
IPC: C07D495/04
Filed: 2009-06-09
Abstract: The present invention relates to a method for preparing Clopidogrel and its derivatives. More particularly, the present invention is a method for preparation of ( S )-2-Clopidogrel and its derivatives, which are active inhibitors of platelet aggregation, from an optically active ( S )-2-chlorophenylglycine alkyl ester through hydrolysis of racemic 2-chlorophenylglycine alkyl esters using an enzyme. The present invention employs a simple procedure to prepare Clopidogrel and its derivatives.  Because no chiral resolving agents are used except for a small amount of enzyme, the cost of preparation can be reduced. In addition, the present invention is suitable for synthesizing highly optical-active Clopidogrel and its derivatives on a large scale by using optically active ( S )-2-chlorophenylglycine alkyl ester obtained in high yield as an intermediate, and is also environmentally friendly since no highly toxic reagents are employed.
Patent WO-2011049346-A2 (WO)
Title: Compositions pour améliorer le potentiel de migration de cellules souches
Inventor: KOH SEONG HO
IPC: A61K35/28
Filed: 2010-10-19
Abstract: La présente invention porte sur une composition pour améliorer le potentiel de migration d'une cellule souche, sur un procédé pour évaluer le potentiel de migration d'une cellule souche et sur un procédé pour évaluer un adjuvant d'une thérapie cellulaire améliorant le potentiel de migration d'une cellule souche. La présente invention peut être utilisée efficacement pour améliorer l'efficacité d'un traitement de maladie neurologique par induction de cellules souches thérapeutiques pour migrer de manière efficace vers le site de la lésion.
Patent WO-2011071258-A2 (WO)
Title: Carriage for cutting torch
Inventor: KIM BYEONG-KWEON
IPC: B23K7/10
Filed: 2010-11-23
Abstract: The present invention relates to a carriage for a cutting torch capable of cutting a metallic workpiece by moving the workpiece. According to an embodiment of the present invention, the carriage for the cutting torch comprises: a bogie which is provided with a plurality of wheels; a torch holder which has an expandable length to the side of the bogie; a cutting torch which cuts the workpiece by being combined with the torch holder; and a magnetic unit which is positioned on the bogie in a state of being separated from the bottom in an opposite direction to which the length of the torch holder is expanded, and provides magnetic power to the workpiece to maintain balance of the bogie. Therefore, it is possible to prevent damage to the bogie during a cutting work, and to prevent the carriage from being inclined.
Patent WO-2011087232-A2 (WO)
Inventor: LEE SANG-HO
Filed: 2010-12-30
Abstract: The present invention provides a supporting device of a posture correction chair which enables foldable movement of a support structure capable of supporting chest and elbows when a user sits down on a chair, thereby improving convenience of chair storage and preventing the possibility of breaking.
Patent WO-2011155755-A2 (WO)
Title: System and method for measuring golf ball striking information
Inventor: CHOI SONG HWAN
IPC: G06V10/145
Filed: 2011-06-07
Abstract: The present invention relates to a system and method for measuring golf ball striking information which sense the shadow of a golf ball flying by left-handed striking or right-handed striking and the shadow of a club head being swung, when a left-handed or right-handed player strikes the golf ball in screen golf, and which calculate the space velocity and space vector of the golf ball, speed and horizontal trajectory of the club head, and entry angle and speed of the club head using the sensed shadow information. A system for measuring golf ball striking information according to an embodiment of the present invention comprises: a bottom sensor unit which detects the space velocity and position of the golf ball, or detects the speed of the club head and the trajectory of the circle drawn by the club head; a bottom light radiating unit which is located at the position corresponding to the bottom sensor unit and radiates light to the bottom sensor unit; a horizontal sensor unit which detects the entry angle and speed of the club head during left-handed striking or right-handed striking; and a horizontal light radiating unit which is located at the position corresponding to the horizontal sensor unit and radiates light to the horizontal sensor unit.
Patent WO-2012002785-A2 (WO)
Title: 화면내 예측 부호화를 위한 영상 부호화/복호화 장치 및 방법
Inventor: YIE CHUNG KU
IPC: H04N7/34
Filed: 2011-07-04
Abstract: 영상의 복호화 방법은 수신된 비트 스트림을 엔트로피 복호화하여 잔여값을 역양자화 및 역변환하여 잔여값을 복원하는 단계와, 비대칭 파티션 분할 및 기하학적 파티션 분할 방법 중 적어도 하나를 적용하여 분할된 예측 유닛에 대하여 복수의 예측 모드 중 하나를 선택적으로 사용하여 화면내 예측 부호화를 수행하여 예측 유닛을 생성하는 단계와, 상기 예측 유닛에 상기 잔여값을 더하여 영상을 복원하는 단계를 포함한다. 비대칭 파티션닝 및/또는 기하학적 파티션닝에 대하여 화면내 예측을 적용하여 HD급 이상의 고해상도 영상의 부호화 효율을 향상시킬 수 있다.
Patent WO-2012086920-A2 (WO)
Title: 내용 기반 중복 방지 기능을 가지는 분산 저장 시스템 및 그 오브젝트 저장 방법 및 컴퓨터에 의하여 독출가능한 저장 매체
Inventor: KIM MI-JEOM
IPC: H04L9/32
Filed: 2011-10-31
Abstract: 중복 방지 기능을 가지는 분산 저장 시스템 및 오브젝트 저장 방법이 개시된다. 분산 저장 시스템은 클라이언트를 인증하기 위한 인증 서버, 각각 적어도 하나의 오브젝트들을 저장하는 복수 개의 데이터 노드들, 오브젝트의 고유 정보 및 오브젝트가 저장된 데이터 노드의 고유 정보를 포함하는 메타데이터를 저장하는 메타데이터 데이터베이스, 및 대상 오브젝트를 저장하고자 하는 인증된 클라이언트의 오브젝트 저장 요청에 응답하여, 메타데이터를 참조하여 대상 오브젝트가 저장될 대상 데이터 노드의 고유 정보의 목록을 클라이언트에게 제공하는 프락시 서버를 포함한다. 프락시 서버는 클라이언트로부터 저장 요청이 수신되면, 대상 오브젝트의 내용에 의하여 결정되는 내용 특이적 인덱스를 결정하고, 결정된 내용 특이적 인덱스를 이용하여 대상 오브젝트가 기저장된 오브젝트들과 중복되는지 여부를 판단한다. 본 발명에 의하면 중복 방지 동작이 효율적으로 수행될 수 있다.
Patent WO-2012074232-A2 (WO)
Title: 챔질 도우미 브레이크부레가 장착된 낚시찌
Inventor: CHOI SEUNG HUI
IPC: A01K91/06
Filed: 2011-11-18
Abstract: 본 발명은 챔질 도우미 브레이크부레가 장착된 낚시찌에 관한 것으로서, 부력조정부레만을 끼운 낚시찌(막대찌)를 낚시원줄에 매달거나 찌톱의 부력조정부레만을 끼운 낚시찌(막대찌)를 낚시원줄에 매달거나 찌톱의 중심부를 관통시키는(전유동구멍찌) 낚시찌에 있어서, 상기 부력조정부레 위쪽의 찌톱에 상기 찌톱을 오르내리는 유동마디와 브레이크부레 및 찌톱 최상부에 고정되는 고정마디를 아래에서부터 순차적으로 끼워, 상기 브레이크부레가 물위에 자체무게의 부력에 의해 떠있는 상태로 구성하여, 낚시를 할 때 물고기의 입질에 따라 상기 찌톱이 아래로 내려가면서 상기 고정마디가 수면 위에 걸쳐 떠있는 상기 브레이크부레에 걸려 더 이상 내려가지 못하는 브레이크 작용을 받게 됨과 동시에 상기 브레이크부레에는 부력이 발생하면서, 물고기의 입질에 대응하여 찌톱과 함께 물속으로 끌려 들어가지 않으려는 브레이크부레의 부력의 힘이 낚시줄을 당기는 힘으로 변하고, 이러한 힘은 인위적인 챔질을 대신하여 자동적으로 챔질이 이루어지는 효과를 발생시킨다.
Patent WO-2012074303-A2 (WO)
Title: 버스바 및 전력선으로 사용되는 고압 대전류용 이중표면도체
Inventor: BAE MOON-JA
IPC: H01B5/14
Filed: 2011-12-01
Abstract: 본 발명은 버스바 및 전력선으로 사용되는 고압 대전류용 이중표면도체에 관한 것으로서, 보다 상세하게는 전원이 인가되는 버스바 및 전력선의 도체에 있어서, 원통 또는 사각통 형상의 표면도체를, 내부에 원형 또는 사각단면을 가지는 관통홀을 길이방향으로 천공형성하거나 또는 상기 관통홀과 함께 관통홀을 외부로 연통시키는 연장 관통홀을 길이방향으로 더 천공형성하거나, 또는 'C' 또는 'ㄷ'자 형상지도록 연장 관통홀을 천공형성하고, 상기 관통홀 및 연장 관통홀 내부에 경화성 절연물을 채워 이중표면의 도체를 구성함으로써, 표면도체의 표면적은 증가하되, 단면적은 감소하고, 두께는 얇아져, 전류밀도가 높아져 허용 전류치가 증가하게 되는 버스바 및 전력선으로 사용되는 고압 대전류용 이중표면도체에 관한 것이다.
Patent WO-2012144800-A2 (WO)
Title: Ｌｅｄ 구동 장치 및 이를 이용한 ｌｅｄ 구동 방법
Inventor: LEE DONG-IL
IPC: H05B44/00
Filed: 2012-04-18
Abstract: 본 발명은 LED 구동 장치 및 이를 이용한 LED 구동 방법에 관한 것으로, 본 발명의 일 측면은, 직류 전원에 의해 구동되며 상호 순차적으로 직렬 연결된 제1 내지 제n LED 그룹을 포함하는 광원부와, 상기 제1 내지 제n LED 그룹의 출력단에 각각 순차적으로 연결되는 제1 내지 제n 입력단자를 포함하며, 상기 제1 내지 제n 입력단자를 통하여 접지로 흐르는 전류를 감지하여 구동구간에 대한 정보를 생성함으로써 상기 광원부에 흐르는 전류의 크기 및 경로를 제어하는 구동 제어부를 포함하는 LED 구동 장치 및 이를 이용한 LED 구동 방법을 제공한다.
Patent WO-2013002582-A2 (WO)
Title: Procédé et appareil pour fournir des informations de contact par l'intermédiaire d'un interfonctionnement entre un service de messagerie et un autre service
Inventor: LEE KYUNG-TAK
Filed: 2012-06-28
Abstract: L'invention concerne un procédé de fourniture d'informations de contact par l'intermédiaire d'un interfonctionnement entre un service de messagerie et un autre service, le procédé consistant à : recevoir une préférence d'un utilisateur à partir d'un client d'application par un serveur d'application ; recevoir une requête pour une liste de nouveaux contacts à partir du client d'application ; transférer la requête pour la liste des nouveaux contacts à un serveur d'interfonctionnement ; recevoir un profil du contact à partir d'un fournisseur de services par l'intermédiaire du serveur d'interfonctionnement ; filtrer le profil reçu du contact ; et transférer une liste de contacts filtrés au client d'application.
Patent WO-2018194432-A2 (WO)
Inventor: SHIN UEON SANG
IPC: B01D46/00
Filed: 2018-04-20
Abstract: La présente invention concerne une membrane comprenant une couche de substrat poreux et une couche de revêtement nanohybride de CNT/chitosane, et un système de collecte de poussière électrostatique la comprenant. La membrane selon la présente invention a une excellente conductivité électrique et peut ainsi collecter efficacement de la poussière, même avec un faible courant. De plus, la membrane comporte des pores permettant à l'air de passer librement à travers la membrane, et le trajet par lequel l'air passe à travers la membrane est long, et il est ainsi possible de collecter une grande quantité de poussière. De plus, la membrane selon la présente invention peut être fabriquée sous diverses formes et est ainsi appropriée pour une application dans divers types de systèmes de collecte de poussière électrostatiques.
Patent WO-2021182768-A2 (WO)
Title: Clothing treatment apparatus
Inventor: LEE DONGSOO
IPC: D06F31/00
Filed: 2021-02-22
Abstract: The present disclosure relates to a clothing treatment apparatus comprising: a first cabinet forming the outer appearance; a first drum of a cylindrical shape having open front and rear surfaces; a second cabinet located under the first cabinet; a tub located in the second cabinet; a second drum located in the tub to be rotatable and accommodating clothing; a first air suction duct for sucking the air in the first drum; a second air suction duct for sucking the air in the tub; a connection duct connected to the first air suction duct and the second air suction duct and including a heat exchanger for exchanging heat with the sucked air; a first exhaust duct for discharging the air, which has exchanged heat via the heat exchanger, to the first drum; and a second exhaust duct for discharging the air, which has exchanged heat via the heat exchanger, to the tub.