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1. 发明授权

US10119722B2 Flue arrangement 有权
公开(公告)号：US10119722B2
公开(公告)日：2018-11-06
申请号：US15128934
申请日：2015-02-06
申请人： Wilson Ng , Hiroshi Oda
发明人： Wilson Ng , Hiroshi Oda
IPC分类号： F24H9/00 , F24H1/14
摘要： The present invention provides an outdoor water heater (10) having a lower chamber (12) located in a cabinet (14) which substantially sealingly encloses a naturally aspirated or natural draught burner 16, a combustion chamber, a heat exchanger (18), a flue (20) for conveying combustion gases from the burner (16), the flue (20) extending away from the heat exchanger (18) and passing through a middle chamber (22) located above the lower chamber (12), the flue (20) not opening into the middle chamber (22) and opening into an upper chamber (24) which has two opposed openings (24.2, 24.3), the upper chamber (24) and middle chamber (22) being substantially sealed with respect to each other to prevent combustion gas flow between the middle chamber (22) and the upper chamber (24), and wherein the middle chamber (22) has divider formations (22.1, 22.2) separating one side of the middle chamber (22) from an opposed side of the middle chamber (22), whereby the divider formations (22.1, 22.2) direct air flowing from one side of the middle chamber (22) to pass downwardly into the lower chamber (12) on one side then upwardly out of the lower chamber (12) to exit the middle chamber (22) on the other or opposite side.

2. 发明申请

US20180209688A1 FLUE ARRANGEMENT 审中-公开
公开(公告)号：US20180209688A1
公开(公告)日：2018-07-26
申请号：US15128934
申请日：2015-02-06
申请人： Wilson NG , Hiroshi ODA
发明人： Wilson NG , Hiroshi ODA
IPC分类号： F24H1/14 , F24H9/00
CPC分类号： F24H1/145 , F24H1/124 , F24H9/0026 , F24H9/0031 , F24H9/02 , Y02B10/70
摘要： The present invention provides an outdoor water heater (10) having a lower chamber (12) located in a cabinet (14) which substantially sealingly encloses a naturally aspirated or natural draught burner 16, a combustion chamber, a heat exchanger (18), a flue (20) for conveying combustion gases from the burner (16), the flue (20) extending away from the heat exchanger (18) and passing through a middle chamber (22) located above the lower chamber (12), the flue (20) not opening into the middle chamber (22) and opening into an upper chamber (24) which has two opposed openings (24.2, 24.3), the upper chamber (24) and middle chamber (22) being substantially sealed with respect to each other to prevent combustion gas flow between the middle chamber (22) and the upper chamber (24), and wherein the middle chamber (22) has divider formations (22.1, 22.2) separating one side of the middle chamber (22) from an opposed side of the middle chamber (22), whereby the divider formations (22.1, 22.2) direct air flowing from one side of the middle chamber (22) to pass downwardly into the lower chamber (12) on one side then upwardly out of the lower chamber (12) to exit the middle chamber (22) on the other or opposite side.

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