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公开(公告)号：US20180087806A1
公开(公告)日：2018-03-29
申请号：US15698748
申请日：2017-09-08
申请人： NORITZ CORPORATION
发明人： Masaki KONDO , Takeshi OOHIGASHI , Wataru OOSHITA
CPC分类号： F24H1/124 , F24H1/40 , F24H1/445 , F24H8/00 , F24H9/1809 , F24H9/1836 , F28D7/0075 , F28D7/1623 , F28D9/0031 , F28D9/0037 , F28D9/0043 , F28D9/0093 , F28D21/0007 , F28F9/001 , F28F9/26 , F28F2230/00 , Y02B30/102
摘要： A latent heat recovery heat exchanger includes a case, a heat exchange portion, and a straightening vane. The heat exchange portion includes a plurality of heat transfer plates surrounded by a peripheral wall portion of the case and layered on one another, each of the plurality of heat transfer plates extending in a direction from an inlet toward an outlet. The straightening vane includes a top plate portion covering the plurality of heat transfer plates so as to close a space between the plurality of heat transfer plates in end portions of the plurality of heat transfer plates in a direction intersecting with a direction of layering of the plurality of heat transfer plates when the heat exchange portion is viewed from the inlet toward the outlet.
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公开(公告)号：US20180087805A1
公开(公告)日：2018-03-29
申请号：US15698733
申请日：2017-09-08
申请人： NORITZ CORPORATION
发明人： Wataru OOSHITA
CPC分类号： F24H1/124 , F24H1/40 , F24H1/445 , F24H8/006 , F24H9/06 , F24H9/1809 , F24H9/1836 , F28D7/0075 , F28D7/0091 , F28D7/02 , F28D9/005 , F28D9/0093 , F28D21/0007 , F28F9/00 , Y02B30/106
摘要： A hot water apparatus includes a burner, a latent heat recovery heat exchanger, a housing, a fixing member, an attachment member, and a straightening vane. The fixing member is configured to fix the latent heat recovery heat exchanger to the housing. The attachment member is configured to attach the fixing member to a case. The straightening vane is arranged in the case. The attachment member protrudes into the case. The straightening vane includes a top plate portion arranged upstream from the attachment member in a direction of flow of the heating gas in the case.
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公开(公告)号：US20170184349A1
公开(公告)日：2017-06-29
申请号：US15374423
申请日：2016-12-09
申请人： NORITZ CORPORATION
发明人： Wataru OOSHITA , Masaya TATEYAMA , Yukiko NOGUCHI
CPC分类号： F28F1/325 , F24D17/0036 , F24D17/02 , F24H1/41 , F28D7/0075 , F28D7/0091 , F28D7/087 , F28D21/0007 , F28F19/00 , F28F2265/10 , Y02B10/20 , Y02B10/70
摘要： According to the present invention, a heat exchanger comprises a fin having a plurality of through holes. The plurality of through holes include mutually adjacent first and second through holes disposed on a side closest to a heating gas's inlet side. The fin has a slit located between the first through hole and the second through hole and cut into the fin from an edge thereof located on the heating gas's inlet side to a side farther from the heating gas's inlet side than a reference line connecting a center of the first through hole and a center of the second through hole. Furthermore, the fin has at least one opening between the slit and the first and second through holes. The opening includes a first opening having a portion located on the side farther from the heating gas's inlet side than the reference line.
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公开(公告)号：US20190203975A1
公开(公告)日：2019-07-04
申请号：US16326535
申请日：2017-08-02
申请人： NORITZ CORPORATION
发明人： Masaki KONDO , Wataru OOSHITA
CPC分类号： F24H1/445 , F24H1/12 , F24H1/124 , F24H8/00 , F24H8/006 , F24H9/00 , F28D9/0093 , Y02B30/102
摘要： A latent heat recovery heat exchanger includes a heat exchange portion and a case. The heat exchange portion includes a plurality of heat transfer plates layered on one another. The case accommodates the plurality of heat transfer plates of the heat exchange portion. The heat exchange portion includes a front plate portion provided as an outermost layer of the heat exchange portion. The front plate portion of the heat exchange portion forms a part of the case.
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公开(公告)号：US20180195742A1
公开(公告)日：2018-07-12
申请号：US15857718
申请日：2017-12-29
申请人： NORITZ CORPORATION
发明人： Wataru OOSHITA , Takeshi OOHIGASHI
CPC分类号： F24D19/088 , F24D19/0004 , F24D19/06 , F24D2220/0242 , F24D2220/0271 , F24H9/124
摘要： A hot water apparatus includes a heat exchanger and a housing. A case has a circumferential wall portion, a lower opening, and a flange portion. A case has a flange portion, a circumferential wall portion, and an upper opening. The circumferential wall portion includes a downwardly-extending wall portion inserted into the inside of the circumferential wall portion through the upper opening. In a state where the downwardly-extending wall portion is arranged inside the circumferential wall portion, the lower opening is located below an upper surface of the flange portion.
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公开(公告)号：US20170205113A1
公开(公告)日：2017-07-20
申请号：US15324445
申请日：2015-07-02
申请人： NORITZ CORPORATION
发明人： Takeshi OOHIGASHI , Nobuhiro TAKEDA , Masaki KONDO , Wataru OOSHITA , Kosuke ICHIYAMA , Yukiko NOGUCHI
CPC分类号： F24H1/14 , F24H1/41 , F24H9/00 , F24H9/0031 , F28D1/053 , F28D7/082 , F28D21/0007 , F28F1/32 , F28F1/325
摘要： A fin-and-tube type heat exchanger includes: a plurality of plate fins arranged in a case side by side in a fore-and-aft direction of the case; and a heat transfer tube including a plurality of straight-type tubular bodies each passing through these plurality of plate fins. First and second plate fins arranged side by side in the right-and-left width direction of the case are provided as a plurality of plate fins. The heat transfer tube has a connection tubular body connecting the straight-type tubular bodies passing through the first and second plate fins. The heat transfer tube passes through areas in which the first and second plate fins are arranged.
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