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1.发明授权公开(公告)号：US10309687B2
公开(公告)日：2019-06-04
申请号：US15658838
申请日：2017-07-25
Applicant: A. O. Smith Corporation
Abstract: The embodiments of the present application disclose a combustion control system of a gas water heater or wall-hanging boiler, and a control method thereof. The system comprises: a flue gas channel consisted of a combustor, a heat exchanger and a stepless speed regulating fan and a smoke tube, which are connected sequentially; a control unit connected to a signal input end of the stepless speed regulating fan; a wind pressure sensor assembly that detects a pressure signal upstream of an impeller of the stepless speed regulating fan, a signal output end of the wind pressure sensor assembly being connected to the control unit; the control unit comprising a storage for storing a correspondence relationship between the pressure signal upstream of the stepless speed regulating fan and a thermal load of the combustor, and a controller that controls operation of the stepless speed regulating fan according to the correspondence relationship. The present application further regulates the rotational speed of the stepless speed regulating fan by detecting the pressure signal upstream of the impeller of the stepless speed regulating fan, thereby achieving a better wind-resistant performance of the present application.
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公开(公告)号：US20140042075A1
公开(公告)日：2014-02-13
申请号：US13962703
申请日：2013-08-08
Applicant: A. O. SMITH CORPORATION
Inventor： Wei Ding , Bu Qiu , Baolin Liu , Leyun Lin , Yuping Shi , Lin Kuang
IPC: C02F5/10
Abstract: The present invention provides a combined scale inhibitor and scale inhibiting device. The combined scale inhibitor contains organophosphorus filter materials, ceramic filter materials and polyphosphate filter materials. The organophosphorus filter materials are the granular filter materials of liquid organophosphorus scale and corrosion inhibitor while the said ceramic filter materials are the granular filter materials containing oxide ceramic powder. The said scale inhibiting device is comprised of a tank, a water inlet, a water outlet, an organophosphorus filter material layer, a ceramic filter material layer and a polyphosphate filter material layer in the said tank. The said organophosphorus filter material layer contains organophosphorus filter materials, which are the granular filter materials of liquid organophosphorus scale and corrosion inhibitor. The said ceramic filter material layer contains ceramic filter materials, which are the granular filter materials containing oxide ceramic powder.
Abstract translation: 本发明提供组合的阻垢抑制装置。 组合阻垢剂含有有机磷过滤材料，陶瓷过滤材料和聚磷酸盐过滤材料。 有机磷过滤材料是液体有机磷垢和缓蚀剂的颗粒状过滤材料，而所述陶瓷过滤材料是含有氧化物陶瓷粉末的颗粒过滤材料。 所述防垢装置由所述罐中的罐，入水口，出水口，有机磷过滤材料层，陶瓷过滤材料层和多磷酸盐过滤材料层构成。 所述有机磷过滤材料层含有有机磷过滤材料，它们是液态有机磷垢和缓蚀剂的颗粒过滤材料。 所述陶瓷过滤材料层含有陶瓷过滤材料，它们是含氧化物陶瓷粉末的颗粒状过滤材料。
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Patent Agency Ranking
公开(公告)号：US20150090200A1
公开(公告)日：2015-04-02
申请号：US14380834
申请日：2012-12-27
Applicant: A. O. SMITH CORPORATION
IPC: F24H1/14
CPC classification number: F24H1/145 , F24H9/2035
Abstract: The invention relates to a low-noise gas instantaneous water heater, belonging to the technical field of gas appliances. The low-noise gas instantaneous water heater comprises a combustion device, a heat exchanger and a blower; wherein the combustion device, the heat exchanger and the blower are arranged such that a combustion flue gas is discharged after passing sequentially through the heat exchanger and the blower; the blower comprises a stepless speed regulating motor with a motor control panel and an impeller driven by the motor, and at least one thermal insulation device is arranged between the motor control panel and the combustion flue gas generated by the combustion device. The low-noise gas instantaneous water heater is capable of combining the advantages of an updraught structure and a stepless speed regulating blower, effectively solving the problem of loud noise in the operation process of the heater, and reaching the requirements of the constant temperature performance, exhaust gas indexes and reliability of the gas instantaneous water heater.
Abstract translation: 本发明涉及一种属于燃气用具技术领域的低噪音气体瞬时热水器。 低噪声气体瞬时热水器包括燃烧装置，热交换器和鼓风机; 其特征在于，所述燃烧装置，所述热交换器和所述鼓风机配置成使得燃烧废气在依次通过所述热交换器和所述鼓风机之后排出; 鼓风机包括具有电动机控制面板和由电动机驱动的叶轮的无级调速电动机，并且在电动机控制面板和由燃烧装置产生的燃烧烟道气之间设置至少一个绝热装置。 低噪声气体瞬时热水器能够结合上升结构和无级调速风机的优点，有效解决了加热器运行过程中噪声大的问题，达到了恒温性能要求， 废气指标和气体瞬时热水器的可靠性。
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公开(公告)号：US11415232B2
公开(公告)日：2022-08-16
申请号：US17108564
申请日：2020-12-01
Applicant: A. O. SMITH CORPORATION
Abstract: The present disclosure discloses a proportional valve body, a proportional valve and a manufacturing method for a proportional valve body. The proportional valve body comprises a body extending in an axial direction, the body being provided with a first cavity and a second cavity penetrating therethrough in the axial direction and isolated from each other; the body being further provided with a first through hole penetrating through an outer wall of the body, the first hole being communicated with the first cavity and isolated from the second cavity. In the present disclosure, the first cavity and the second cavity of the proportional valve body penetrate through the body in the axial direction, thus the general structure of the proportional valve body can be obtained by means of extrusion molding. Extrusion molding has the advantages of easy operation, high productivity, and high utilization ratio of raw materials. And the proportional valve body obtained by means of extrusion molding has favorable structural and mechanical properties.
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公开(公告)号：US09939172B2
公开(公告)日：2018-04-10
申请号：US14357158
申请日：2012-10-17
Applicant: A. O. Smith Corporation
Inventor： Bu Qiu , Dayan Bi , Sujuan Zhou , Shiping Zhang , Yuehua Wu
CPC classification number: F24H8/00 , F24H1/107 , F24H1/145 , F24H9/0005 , F24H9/2035 , Y02B30/102
Abstract: A thermostatic condensing gas water heater, comprising a burner; a first heat exchanger (7), a second heat exchanger (4), a water inlet pipe (10), and a water outlet pipe (9) provided in succession along the flow direction of the burnt flue gas; a controller; and a water flow channel connecting the first heat exchanger (7) and the second heat exchanger (4) in parallel between the water inlet pipe (10) and the water outlet pipe (9), wherein flow control valves (3, 5) capable of adjusting the water flow distribution of the first heat exchanger (7) and the second heat exchanger (4) are provided on the water flow channel and controlled by the controller.
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公开(公告)号：US09651266B2
公开(公告)日：2017-05-16
申请号：US14350695
申请日：2012-09-20
Applicant: A. O. Smith Corporation
Inventor： Dayan Bi , Baolin Liu , Bu Qiu
IPC: F24D17/00 , F24H1/28 , F24H1/50 , F24D3/08 , F24H1/10 , F24H1/18 , F24H1/44 , F24H1/36 , F24H1/40
CPC classification number: F24D17/0068 , F24D3/08 , F24D17/0031 , F24H1/107 , F24H1/186 , F24H1/287 , F24H1/36 , F24H1/40 , F24H1/44 , F24H1/50 , Y02B10/70
Abstract: A gas hot water heating device and a system with heating function are disclosed. The device includes a combustion device (1), an inlet (E) and an outlet (G) of a hot water pipeline (2), an inlet (I) and an outlet (H) of a heating loop (3), and a water tank (4). The device also includes a first heat exchanger (5), a second heat exchanger (6) and a third heat exchanger (7). A flue gas outlet (1-2) of the combustion device (1) is connected with flue gas passages of the first heat exchanger (5) and the second heat exchanger (6) in order and in series. A first water flow passage (5-1) and a second water flow passage (5-2) are arranged in the first heat exchanger (5), and the water tank (4) and the first water flow passage (5-1) of the first heat exchanger (5) are communicated between the inlet (E) and the outlet (G) of the hot water pipeline (2) in series. The second heat exchanger (6) and the third heat exchanger (7) can exchange heat with water in the water tank (4).
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公开(公告)号：US09441857B2
公开(公告)日：2016-09-13
申请号：US14380834
申请日：2012-12-27
Applicant: A. O. Smith Corporation
CPC classification number: F24H1/145 , F24H9/2035
Abstract: The invention relates to a low-noise gas instantaneous water heater, belonging to the technical field of gas appliances. The low-noise gas instantaneous water heater comprises a combustion device, a heat exchanger and a blower; wherein the combustion device, the heat exchanger and the blower are arranged such that a combustion flue gas is discharged after passing sequentially through the heat exchanger and the blower; the blower comprises a stepless speed regulating motor with a motor control panel and an impeller driven by the motor, and at least one thermal insulation device is arranged between the motor control panel and the combustion flue gas generated by the combustion device. The low-noise gas instantaneous water heater is capable of combining the advantages of an updraught structure and a stepless speed regulating blower, effectively solving the problem of loud noise in the operation process of the heater, and reaching the requirements of the constant temperature performance, exhaust gas indexes and reliability of the gas instantaneous water heater.
Abstract translation: 本发明涉及一种属于燃气用具技术领域的低噪音气体瞬时热水器。 低噪声气体瞬时热水器包括燃烧装置，热交换器和鼓风机; 其特征在于，所述燃烧装置，所述热交换器和所述鼓风机配置成使得燃烧废气在依次通过所述热交换器和所述鼓风机之后排出; 鼓风机包括具有电动机控制面板和由电动机驱动的叶轮的无级调速电动机，并且在电动机控制面板和由燃烧装置产生的燃烧烟道气之间设置至少一个绝热装置。 低噪声气体瞬时热水器能够结合上升结构和无级调速风机的优点，有效解决了加热器运行过程中噪声大的问题，达到了恒温性能要求， 废气指标和气体瞬时热水器的可靠性。
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