Water heater blower leakage detection

    公开(公告)号:US11079139B2

    公开(公告)日:2021-08-03

    申请号:US16141585

    申请日:2018-09-25

    摘要: Methods and systems for determining a possible leak within a gas water heater. One system is a gas water heater including a blower and an electronic processor. The electronic processor is configured to activate the blower for a predetermined amount of time, receive, during the predetermined amount of time, a measurement of a characteristic of the blower, perform a comparison between the measurement and a predetermined characteristic threshold, and determine, based on the comparison, that a blockage is present within the water heater. The electronic processor is further configured to output a notification in response to determining the blockage is present.

    COMPACT FLUID HEATING SYSTEM WITH HIGH BULK HEAT FLUX USING ELEVATED HEAT EXCHANGER PRESSURE DROP

    公开(公告)号:US20210215392A1

    公开(公告)日:2021-07-15

    申请号:US17213616

    申请日:2021-03-26

    摘要: A fluid heating system for heating a production fluid using a thermal transfer fluid, the production fluid being contained in a vessel includes an electric blower configured to receive ambient air and electrical input power and to provide output source air, a combustion system configured to receive the source air from the electric blower and to receive fuel and to provide the thermal transfer fluid, a heat exchanger configured to receive the thermal transfer fluid from the combustion system and configured to provide heat exchange from the thermal transfer fluid to the production fluid, and to provide output exhaust gas, and wherein the electric fan provides a predetermined volume flow rate of the output source air at a predetermined blower efficiency such that the fluid heating system has a Bulk Heat Flux of at least about 14.7 kBTU/Hr/ft2 and a Pressure Drop of at least about 0.7 psi.

    Boiler with heating blower
    4.
    发明授权

    公开(公告)号:US11035588B2

    公开(公告)日:2021-06-15

    申请号:US16396310

    申请日:2019-04-26

    申请人: Young-Hwan Choi

    发明人: Young-Hwan Choi

    摘要: The present invention relates to a boiler with a heating blower, the boiler being able to improve heat exchange efficiency without an additional boiler. According to the present invention, there is provided a heating blower that supplies high-temperature hot wind to a flame guide tube outside a storage tub, so it is possible to improve heat exchange efficiency of the flame guide tube and flue tube without an additional boiler.

    Heating device
    6.
    发明授权

    公开(公告)号:US10533769B2

    公开(公告)日:2020-01-14

    申请号:US15662544

    申请日:2017-07-28

    摘要: A heating device has a combustion chamber and a gas flue configured to guide hot exhaust gas generated in the combustion chamber, the flue having an inlet region and an outlet region and is configured connected to the combustion chamber via the inlet region. Heat transfer ribs having a wall thickness are arranged spaced from each other in the gas flue for the heat transfer from hot exhaust gas to the gas flue. The wall thickness of the heat transfer ribs and/or the distances of the heat transfer ribs to one another are optionally configured to be larger on the sides of the inlet region than on the sides of the outlet region.

    Tube sheets and tube sheet assemblies

    公开(公告)号:US10451365B2

    公开(公告)日:2019-10-22

    申请号:US15612443

    申请日:2017-06-02

    发明人: Reza Khatami

    摘要: A tube sheet for a thermal transfer device can include a body having a plurality of apertures that traverse therethrough, where the plurality of apertures are configured to receive a plurality of tubes of the thermal transfer device. The tube sheet can also include an outer perimeter defining the body, where the outer perimeter has at least one first recess feature disposed therein. The at least one first recess feature can have a first shape and a first size, where the first shape is any shape aside from a semi-circle.

    Down-fired high efficiency gas-fired water heater

    公开(公告)号:US10415849B2

    公开(公告)日:2019-09-17

    申请号:US15638929

    申请日:2017-06-30

    摘要: A high efficiency downfired gas water heater is provided which has a tank for storing water to be heated, a combustion chamber extending downwardly through a top end of the tank, and a gas burner operative to create hot combustion products within the combustion chamber. At the bottom end of the tank is a transfer chamber coupled to an external discharge conduit and to a single pass heat exchanger, in the form of multiple flue tubes. extending vertically through the tank and connected to the combustion chamber. In one embodiment of the water heater the burner is a power burner which forces the combustion products sequentially through the combustion chamber, heat exchanger, transfer chamber and discharge conduit. In another embodiment of the water heater a draft inducer fan is used to draw the combustion products through this path from the combustion chamber.

    Dual/multi energy gas water heater
    10.
    发明授权

    公开(公告)号:US10393405B2

    公开(公告)日:2019-08-27

    申请号:US14756333

    申请日:2015-08-31

    发明人: Claude Lesage

    摘要: A dual energy gas water heater is described and wherein a square flange, curved resistor style resistive heating element, is secured in a bottom portion of the tank of the water heater spaced above a top wall of the combustion chamber. A gas burner is secured in the combustion chamber and connected to a gas supply line through a gas valve. The curved resistive heating element is a low density, long life, element having a density in the range of about 20 to 80 watts/sq. inches. A switch is secured between the thermostat of the resistive heating element and the voltage supply line. A controller selectively operates the switch and the gas valve to disconnect the voltage supply line from the thermostat and/or shut-off the gas valve secured to the gas supply line depending on the desired source of energy. The controller is adapted to be optionally controlled by a utility/provider through a communication link. Renewable energy source may also be secured to an additional resistive heating element to improve the efficiency thereof.