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    • 2. 发明专利
    • KR20210032348A - Heat exchanger unit
    • KR20210032348A
    • 2021-03-24
    • KR1020210032299A
    • 2021-03-11
    • 주식회사 경동나비엔
    • 박준규박덕식
    • F24H8/00F24H9/00F24H9/14F24H9/18F28D1/053F28D21/00F28F1/32F28F9/02
    • F24H8/006F24H8/00F24H9/00F24H9/0015F24H9/0026F24H9/14F24H9/148F24H9/18F24H9/1809F28D1/053F28D1/05358F28D21/00F28F1/32F28F9/02F28F9/0219F28F9/0246F28D2021/0024Y02B30/00
    • 본 발명에 따른 열교환기 유닛은, 연소반응에 의해 생성된 현열을 전달받아 물을 가열하기 위한 현열 열교환 영역에 배치되되, 상기 물을 공급받아 내부를 통해 유동시키는 현열 열교환배관을 구비하는 현열 열교환부; 상기 연소반응 중에 생성된 연소가스의 유동방향인 기준방향을 기준으로 상기 현열 열교환 영역보다 하류에 위치하고, 상기 연소가스의 상변화시 발생하는 잠열을 전달받아 상기 물을 가열하기 위한 잠열 열교환 영역에 배치되되, 상기 물을 공급받아 내부를 통해 유동시키는 잠열 열교환배관을 구비하는 잠열 열교환부; 및 상기 열교환 영역들을 둘러싸서, 자신의 내측에서 상기 열교환 영역들을 정의하는 하우징을 포함하고, 상기 잠열 열교환배관은, 소정 방향을 따라 연장되고, 상기 소정 방향에 직교하는 직교 방향을 따라 서로 이격되게 나열되되, 상기 물이 유동하는 잠열유로를 형성하는 복수 개의 잠열 직선부를 포함하고, 상기 기준방향에 수직한 평면에서 정의되는 상기 열교환 영역의 단면적을 기준 단면적이라 하고, 상기 기준방향을 기준으로 상기 현열 열교환부 또는 상기 잠열 열교환부의 가장 상류 측을 입구단, 상기 현열 열교환부 또는 상기 잠열 열교환부의 가장 하류 측을 출구단이라 할 때, 상기 잠열 직선부는, 상기 기준방향을 기준으로 상류 측에 위치하는 상류 직선부와 하류 측에 위치하는 하류 직선부를 포함하고, 상기 기준방향을 따라 상기 기준 단면적이 점차 줄어드는 구간인 가속구간은, 상기 상류 직선부의 출구단과 상기 하류 직선부의 입구단 사이에 형성된다.
    • 3. 发明专利
    • Socket welding structure of hot water storage tank
    • 热水储存罐插芯焊接结构
    • JP2008209033A
    • 2008-09-11
    • JP2007044137
    • 2007-02-23
    • Sanyo Electric Co LtdTokyo Forming Kk三洋電機株式会社東京フォーミング株式会社
    • ABE TADAOKANEKO TADAO
    • F24H9/14B23K9/00B23K101/12B23K103/04F24F5/00
    • PROBLEM TO BE SOLVED: To provide a socket welding structure of a hot water storage tank, which prevents overheating in welding, and is free from formation of a clearance inside out of a welded part.
      SOLUTION: In this socket welding structure of the hot water storage tank for connecting a tank main body and a socket main body by inserting the socket main body 123 into an opening portion 115a formed on the tank main body and welding the inserting portion, an annular projecting portion 301 extending in the circumferential direction, is formed on an outer periphery of the socket main body 123, the socket main body is inserted until the projecting portion is brought into contact with the tank main body, and the welding is performed in a state of melting the projecting portion 301 from an outer side of the tank main body.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种防止焊接过热的热水储存罐的插座焊接结构,并且在焊接部分内部没有形成间隙。 解决方案:在用于通过将插座主体123插入形成在箱主体上的开口部分115a中并且将插入部分焊接在一起的用于连接箱主体和插座主体的热水储存器的插座焊接结构中 在插座主体123的外周形成有沿圆周方向延伸的环形突出部301,插座主体插入直到突出部与罐主体接触,并进行焊接 处于从罐主体的外侧熔化突出部301的状态。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Hot water storage tank of welded structure and its construction method
    • 焊接结构热水储存罐及其施工方法
    • JP2006097908A
    • 2006-04-13
    • JP2004281198
    • 2004-09-28
    • Nisshin Steel Co Ltd日新製鋼株式会社
    • ADACHI TOSHIRONONOMURA AKIHIROTOMIMURA HIROKI
    • F24H9/14B23K9/00B23K9/16B23K9/23B23K101/12B23K103/04C22C38/00C22C38/50C22C38/54F24H1/18F24H9/00
    • PROBLEM TO BE SOLVED: To provide a hot water storage tank of welded structure and its construction method capable of improving corrosion resistance of a welded part by performing alloy designing to reduce creation of a Cr-depleted layer in a ferrite stainless steel surface as a can body material, and determining proper welding conditions. SOLUTION: The ferrite stainless steel plate having a composition including C of 0.015 mass% or less, Si of 1.0 mass% or less, Mn of 1.0 mass% or less, P of 0.045 mass% or less, S of 0.005 mass% of less, Cr of 17.0-21.0 mass%, Mo of 0.5-1.7 mass%, Ni of 0.6 mass% or less, Cu of 0.8 mass% or less, Nb of 0.05-0.5 mass%, Ti of 0.05-0.3 mass%, N of 0.015 or less, Al of 0.01-0.2 mass%, and further B of 0.005 mass% or less when necessary, satisfying the relationship of 19.5 COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种焊接结构的热水储存罐及其施工方法,其能够通过进行合金设计来改善焊接部件的耐腐蚀性,以减少铁素体不锈钢表面中的Cr-贫化层的产生 作为罐体材料,并确定适当的焊接条件。 解决方案:具有C为0.015质量%以下,Si为1.0质量%以下,Mn为1.0质量%以下,P为0.045质量%以下,S为0.005质量%以下的组成的铁素体系不锈钢板 以下,Cr为17.0〜21.0质量%,Mo为0.5〜1.7质量%,Ni为0.6质量%以下,Cu为0.8质量%以下,Nb为0.05〜0.5质量%,Ti为0.05〜0.3质量% %,N为0.015以下,Al为0.01-0.2质量%,另外B为0.005质量%以下,满足19.5
    • 6. 发明专利
    • JPH10512212A
    • 1998-11-24
    • JP52253996
    • 1996-01-09
    • EBERSPAECHER J GMBH & CO
    • BURNER ERWIN DIPL INGHUMBURG MICHAEL DIPL INGMOHRING FRITZREISER PETER DIPL INGSAILER HARALD DIPL INGSTEIERT EDWINWACKER HEINRICH DIPL PHYS
    • B60H1/03B60H1/22F24H9/02F24H9/14
    • PCT No. PCT/DE96/00044 Sec. 371 Date Feb. 19, 1997 Sec. 102(e) Date Feb. 19, 1997 PCT Filed Jan. 9, 1996 PCT Pub. No. WO96/23179 PCT Pub. Date Aug. 1, 1996A vehicle heater with a burner, a fan for the combustion air to be fed to the burner, a heat exchanger for heating the engines's cooling water, which is circulated in a closed circuit, and with a control device. A basic housing is provided substantially in the form of one of a parallelepiped and a semicylinder with an essentially flat, continuous upper housing surface. The basic housing is axially divided into a first housing end section, which is located at a first end and accommodates the burner and the heat exchanger, a middle housing part containing the fan, as well as a second housing end section comprising the control device. The inlet and outlet connections of the heat exchanger as well as a connecting branch for fuel to be fed to the burner are located within the upper surface of the basic housing. An attachment-type housing with at least one circulating pump for the cooling water to be heated can be attached essentially to the entire upper housing surface of the basic housing to form one of an approximately parallelepipedic or cylindrical overall housing. Also a cover can be attached essentially to the entire upper housing surface of the basic housing if the attachment-type housing is not employed.