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    SYSTEMS FOR REVERSE AIRFLOW DAMAGE PREVENTION IN APPLIANCES
    1.
    发明公开
    SYSTEMS FOR REVERSE AIRFLOW DAMAGE PREVENTION IN APPLIANCES 审中-公开

    公开(公告)号：US20240183581A1

    公开(公告)日：2024-06-06

    申请号：US17796422

    申请日：2022-04-29

    申请人： Haier US Appliance Solutions, Inc.

    发明人： Chenlong Que

    IPC分类号： F24H9/20 ,  F24H9/1836

    CPC分类号： F24H9/2042 ,  F24H9/1836

    摘要： A water heater includes a case, and a water line disposed within the case. The water line extends between an inlet and an outlet, and a heat exchanger is disposed in the case on the water line. A burner is disposed in the case, and a controller is also disposed in the case. A flue is coupled to the case. The flue defines an exhaust outlet contiguous with external air. The flue includes a temperature sensor, a fan, and a plate disposed within the flue. The plate is configured to rotate within the flue between an open position and a closed position. Also included in the case is a heating element coupled to the water line between the inlet and the outlet of the water line. The controller is in signal communication with the temperature sensor and the fan, and the controller is in operative communication with the heating element.

    Vehicle heater and controls therefor
    2.
    发明授权
    Vehicle heater and controls therefor 有权

    公开(公告)号：US11319916B2

    公开(公告)日：2022-05-03

    申请号：US16089320

    申请日：2017-03-30

    申请人： Marine Canada Acquisition Inc.

    发明人： Kenneth Strang ,  Bruce Wilnechenko ,  Korbin Thomas ,  Daine Strankman

    IPC分类号： F02N19/10 ,  F23N5/00 ,  F24H9/20 ,  F23D11/10 ,  F23N5/26 ,  F24H1/00 ,  F24H9/1836

    摘要： A heater comprises a combustion chamber and a jacket extending about the combustion chamber. There is a fan having an output which communicates with the combustion chamber to provide combustion air. There is also a fuel delivery system having a variable delivery rate. A burner assembly is connected to the combustion chamber. The burner assembly has a burner mounted thereon adjacent the combustion chamber. The burner receives fuel from the fuel delivery system. There is an exhaust system extending from the combustion chamber. An oxygen sensor is positioned in the exhaust system to detect oxygen content of exhaust gases. There is a control system operatively coupled to the oxygen sensor and the fuel delivery system. The control system controls the delivery rate of the fuel delivery system according to the oxygen content of the exhaust gases.

    Energy efficient water heater
    3.
    发明授权
    Energy efficient water heater 有权

    公开(公告)号：US11313590B2

    公开(公告)日：2022-04-26

    申请号：US17102907

    申请日：2020-11-24

    申请人： Sandbar Technologies LLC ,  Sherry Nadai

    发明人： Kevin Patrick Nadai ,  Kent Elwood Ross ,  Edward Leroy Tribble, II

    IPC分类号： F24H9/20 ,  F24H1/12 ,  F16K17/38 ,  F24H9/1836 ,  F24H9/12

    摘要： Apparatuses of an energy efficient water heater and methods for controlling the same are disclosed. In one embodiment, a water heater may include a water inlet configured to receive input water, an input water temperature sensor configured to detect a temperature of the input water, a user interface unit configured to receive an output water temperature setting selected by a user, a controller configured to determine a flow rate of an output water based on the input water temperature and the output water temperature setting, a heating unit configured to heat the input water to produce the output water, the controller is further configured to control the heating unit and a proportional flow restrictor to produce the flow rate of the output water, and a water outlet configured to transfer the output water at the flow rate of the output water.

    Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth
    8.
    发明授权
    Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth 有权

    公开(公告)号：US11408641B2

    公开(公告)日：2022-08-09

    申请号：US17013103

    申请日：2020-09-04

    申请人： KYUNGDONG NAVIEN CO., LTD.

    发明人： Jun Kyu Park ,  Jeon Hur ,  Jeong Gi Yu

    IPC分类号： F23R3/04 ,  F24H9/20 ,  G01F1/42 ,  G01F1/40 ,  F24H9/00 ,  F24H9/1836 ,  F23N5/18

    摘要： A bell mouth includes an upstream body including an upstream-side opening formed to allow air introduced from an air supply duct to pass through and an upstream measurement portion connected with a differential-pressure acquisition device that uses pressure of the air in the upstream-side opening, in which the air supply duct guides the air into a water-heating device from the outside, a differential-pressure generation part that is located downstream of the upstream body with respect to a flow direction of the air and that has a structure that reduces the pressure of the air passing through the differential-pressure generation part, and a downstream body including a downstream-side opening formed to allow the air passing through the differential-pressure generation part to pass through and a downstream measurement portion connected with the differential-pressure acquisition device that obtains a difference between the pressure of the air passing through the downstream-side opening and facing toward a blower of the water-heating device and the pressure of the air in the upstream-side opening.