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公开(公告)号：US12130053B2
公开(公告)日：2024-10-29
申请号：US17821301
申请日：2022-08-22
IPC分类号： F24H9/00 , F23L15/04 , F24H1/20 , F24H9/20 , F24H15/174 , F24H15/219 , F24H15/223 , F24H15/365
CPC分类号： F24H9/0084 , F23L15/04 , F24H1/205 , F24H9/2035 , F24H15/174 , F24H15/219 , F24H15/223 , F24H15/365
摘要： A vent attachment facilitates attaching a coaxial air intake and exhaust vent of a tankless water heater to a Category I vent, such as B-vent. The vent attachment comprises a first end with a coaxial connector comprising a central exhaust pathway and a circumferential air intake pathway. The vent attachment also comprises a second end with a tubular exhaust vent connector in fluid communication with the central exhaust pathway. The vent attachment further comprises a frame that encloses the central exhaust pathway and comprises a mesh configured to provide fluid communication through the frame with the air intake pathway. Additionally, operation of the tankless water heater is modified to ensure that the exhaust generated is suitable for venting through a Category I vent. The tankless water heater maintains a high fuel consumption rate such that the temperature of hot water produced increases throughout each of a plurality of burner stages.
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公开(公告)号：US11719444B2
公开(公告)日：2023-08-08
申请号：US17861906
申请日：2022-07-11
CPC分类号： F24D17/0078 , F24D19/10 , F24D2240/00
摘要： A water heater system includes a controller configured to integrate control of both recovery and recirculation operations of a recovery pump and a recirculation pump. As such, a separate device, installation location, and power source (e.g., available outlet) is not needed with the controller. Because a single controller is configured to control both recovery and recirculation operations, additional control functions are available. The controller may be in communication with an internal controller of the water heater and configured to receive an error notification upon abnormal operation of the water heater. The controller can stop recovery and recirculation operations in response to an error notification, unlike with traditional water heating systems which may otherwise continue to function. The recovery and recirculation operations are based on a setpoint temperature of the water heater such that changes made to the setpoint temperature will automatically adjust in the recovery and recirculation operations.
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公开(公告)号：US20230151974A1
公开(公告)日：2023-05-18
申请号：US18051197
申请日：2022-10-31
CPC分类号： F24D17/0078 , C02F1/008 , C02F1/02 , F24D19/1051 , C02F2201/005 , C02F2209/02 , F24D2220/0207 , F24D2220/025 , F24D2220/0271 , F24D2220/042
摘要： A hot water circulation system comprises a water heater having a cold-water inlet and a hot water outlet. A water pump circulates water through the water heater to produce hot water. The hot water is circulated to a thermal bypass valve, which is configured to close when hot water contacts a heat activated seal. A bypass circuit is coupled between the hot water outlet and the cold water inlet of the water heater. The bypass circuit prevents hot water from circulating from the hot water outlet to the cold-water inlet when the thermal bypass valve is open and promotes circulating hot water from the hot water outlet to the cold water inlet when the thermal bypass valve is closed. Upon a temperature sensor sensing hot water entering the cold-water inlet, the water heater turns of the water pump.
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公开(公告)号：USD980047S1
公开(公告)日：2023-03-07
申请号：US29686899
申请日：2019-04-09
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公开(公告)号：US11384944B2
公开(公告)日：2022-07-12
申请号：US17000076
申请日：2020-08-21
摘要： A water heater system includes a controller configured to integrate control of both recovery and recirculation operations of a recovery pump and a recirculation pump. As such, a separate device, installation location, and power source (e.g., available outlet) is not needed with the controller. Because a single controller is configured to control both recovery and recirculation operations, additional control functions are available. The controller may be in communication with an internal controller of the water heater and configured to receive an error notification upon abnormal operation of the water heater. The controller can stop recovery and recirculation operations in response to an error notification, unlike with traditional water heating systems which may otherwise continue to function. The recovery and recirculation operations are based on a setpoint temperature of the water heater such that changes made to the setpoint temperature will automatically adjust in the recovery and recirculation operations.
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公开(公告)号：US20220196292A1
公开(公告)日：2022-06-23
申请号：US17554462
申请日：2021-12-17
IPC分类号： F24H15/443 , F24H15/457 , G05B19/042
摘要： A building management system (BMS) gateway comprises a BMS router and a water heater hub configured to be communicatively coupled to a plurality of water heaters. The BMS router facilitates communication of status and control data between a BMS and the water heaters connected to the water heater hub. Connecting multiple water heaters to a single BMS gateway provides simplified installation and networking requirements. For installations with more water heaters than are able to be coupled to the water heater hub, additional BMS gateways may be installed. Local controls for water heaters managed by the BMS are typically disabled or overwritten by the BMS to prevent changes to settings. A local BMS user interface (UI) is configured to connect with the BMS gateway(s) and facilitate secure access, display, and/or adjustment of water heater status and control data for the plurality of water heaters connected to the BMS gateway(s).
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公开(公告)号：US20220186978A1
公开(公告)日：2022-06-16
申请号：US17546822
申请日：2021-12-09
摘要： Various implementations include a hot water heating system having a spine and two or more water heating units. The spine includes a top surface defining one or more top openings, two or more coupling areas, and cold water, hot water, and fuel manifolds. One or more top openings provide access to a cold water manifold inlet, a hot water manifold outlet, and a fuel manifold inlet. At least one of the coupling areas is located above another coupling area when the spine is oriented with the top surface facing upwardly. The water heating units are coupled to coupling areas such that a cold water inlet of the unit is fluidically coupled to the cold water manifold outlet, a hot water outlet of the unit is fluidically coupled to the hot water manifold inlet, and a fuel inlet of the unit is fluidically coupled to the fuel manifold outlet.
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公开(公告)号：USD825724S1
公开(公告)日：2018-08-14
申请号：US29617137
申请日：2017-09-12
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公开(公告)号：US12117203B2
公开(公告)日：2024-10-15
申请号：US18073796
申请日：2022-12-02
IPC分类号： F24H15/175 , F24H1/12 , F24H15/223 , F24H15/335
CPC分类号： F24H15/175 , F24H1/122 , F24H15/223 , F24H15/335
摘要： A hybrid water heater incudes a storage tank, a first temperature sensor, a tankless heater fluidly coupled to the storage tank, and a controller configured to determine a target output temperature range for the tankless heater based on a temperature setpoint, measure a temperature of hot water stored in an upper portion of the storage tank using the first temperature sensor, determine whether the measured temperature of the hot water is less than a first minimum temperature setpoint, generate an adjusted target output temperature range for the tankless heater based on a determination that the measured temperature is less than the first minimum temperature by increasing a value of both the lower threshold and the upper threshold, and control the tankless heater to produce the heated water according to the adjusted target output temperature range.
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公开(公告)号：US12066216B2
公开(公告)日：2024-08-20
申请号：US17554462
申请日：2021-12-17
IPC分类号： F24H15/443 , F24H15/457 , G05B19/042 , F24H1/10
CPC分类号： F24H15/443 , F24H15/457 , G05B19/042 , F24H1/10 , G05B2219/25011
摘要： A building management system (BMS) gateway comprises a BMS router and a water heater hub configured to be communicatively coupled to a plurality of water heaters. The BMS router facilitates communication of status and control data between a BMS and the water heaters connected to the water heater hub. Connecting multiple water heaters to a single BMS gateway provides simplified installation and networking requirements. For installations with more water heaters than are able to be coupled to the water heater hub, additional BMS gateways may be installed. Local controls for water heaters managed by the BMS are typically disabled or overwritten by the BMS to prevent changes to settings. A local BMS user interface (UI) is configured to connect with the BMS gateway(s) and facilitate secure access, display, and/or adjustment of water heater status and control data for the plurality of water heaters connected to the BMS gateway(s).
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