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公开(公告)号：US10724745B2
公开(公告)日：2020-07-28
申请号：US15731956
申请日：2017-09-01
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
摘要： An electric water heater is described and wherein the bottom portion of the water holding tank is provided with various forms of electric heating elements to heat the water in the lowermost region of the tank adjacent the dome-shaped bottom wall to a temperature sufficient to prevent the proliferation of bacteria growth such as the Legionella bacteria in such lowermost region. The insulating foam support base of the water heater also provides a thermal barrier to the heating elements while biasing the heating element on the dome-shaped bottom wall in a region to insure excellent heat transfer to the cavitated zone surrounding the dome-shaped bottom wall where sedimentary deposits occur to create a culture medium for bacteria growth. In one embodiment a heating wire transfers heat to the lowermost region from the lower end of the surrounding side wall of the tank and access to the heating wire is provided for connection and removal thereof.
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公开(公告)号：US10330342B2
公开(公告)日：2019-06-25
申请号：US15731703
申请日：2017-07-20
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
摘要： A dielectrically insulated secondary tubular flue for mounting inside a water holding tank of a gas-fired water heater is provided to increase the efficiency of the water heater. The secondary tubular flue has opposed tubular end sections and an helical tubular section integrally formed therewith. The tubular end sections each have connecting end sections adapted to form a part of a dielectric connector for securing the secondary tubular flue inside of the water holding tank by the dielectric connectors.
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3.发明申请公开(公告)号：US20180119991A1
公开(公告)日：2018-05-03
申请号：US15732712
申请日：2017-12-19
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
CPC分类号： F24H9/2021 , F24H1/185 , F24H2250/02 , G05D23/1934 , H05B1/0283
摘要： An electrical water heater adapted for energy management and a method of controlling the consumption of electrical power from the power supply grid of a utility is described. The bottom resistive heating element of the water heater is a dual element resistive heating element which has a high power rated resistive heating element to heat water and a further low power rated resistive heating element. The power rating of the low power resistive heating element is calculated to be lower than the supply grid diversified mean load. A controller has a communication link with a utility which manages the power supply grid. The utility can control the resistive heating elements of the dual element in such a way, and depending on conditions of the grid, to conserve energy and regulate its frequency thereby resulting in a cost saving to the consumer and the utility. The low power rated resistive heating element is also connectable to an alternative power source.
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公开(公告)号：US09885498B2
公开(公告)日：2018-02-06
申请号：US14121995
申请日：2014-11-13
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
CPC分类号： F24H9/2021 , F24H1/185 , F24H2250/02 , G05D23/1934 , H05B1/0283
摘要： An electrical water heater adapted for energy management and a method of controlling the consumption of electrical power from the power supply grid of a utility is described. The bottom resistive heating element of the water heater is a dual element resistive heating element which has a high power rated resistive heating element to heat water and a further low power rated resistive heating element. The power rating of the low power resistive heating element is calculated to be lower than the supply grid diversified mean load. A controller has a communication link with a utility which manages the power supply grid. The utility can control the resistive heating elements of the dual element in such a way, and depending on conditions of the grid, to conserve energy and regulate its frequency thereby resulting in a cost saving to the consumer and the utility. The low power rated resistive heating element is also connectable to an alternative power source.
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公开(公告)号：US20170321928A1
公开(公告)日：2017-11-09
申请号：US15731703
申请日：2017-07-20
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
CPC分类号： F24H8/00 , F24H1/205 , F24H9/0031 , F24H9/06 , F24H9/124 , Y02B30/102
摘要： A dielectrically insulated secondary tubular flue for mounting inside a water holding tank of a gas-fired water heater is provided to increase the efficiency of the water heater. The secondary tubular flue has opposed tubular end sections and an helical tubular section integrally formed therewith. The tubular end sections each have connecting end sections adapted to form a part of a dielectric connector for securing the secondary tubular flue inside of the water holding tank by the dielectric connectors.
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公开(公告)号：US09429339B2
公开(公告)日：2016-08-30
申请号：US14121610
申请日：2014-09-25
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
CPC分类号： F24H8/006 , F23L17/005 , F24H1/186 , F24H9/0031 , F24H9/0036 , Y02B30/106
摘要： A domestic gas-fired water heater condensing flue system wherein in one embodiment a blower is secured at the outlet end of the flue pipe to direct the hot flue gases through an external heat exchange flue conduit. The external heat exchange flue conduit has a sealed water channel surrounding a narrow flue gas internal passage. Water from the bottom end of the tank is circulated in the external heat exchange flue conduit and release in the top part of the tank. In a further embodiment, an inverted U-shaped flue pipe is supported vertically in the water tank and the domestic water supply for the tank is disposed in a downward section of the flue pipe to pre-heat the water supply to the tank and cool the flue gases before being released to atmosphere. The water in the tank is heated by the upward and downward sections of the U-shaped flue pie.
摘要翻译： 一种家用燃气热水器冷凝烟道系统，其中在一个实施例中，鼓风机固定在烟道管的出口端，以引导热烟道气通过外部热交换烟道。 外部热交换烟道具有围绕窄烟道气体内部通道的密封水通道。 来自罐底部的水在外部热交换烟道中循环，并在罐的顶部释放。 在另一个实施例中，倒置的U形烟道管垂直地支撑在水箱中，并且罐的生活用水供应设置在烟道管的下部，以预加热到水箱的供水并冷却 烟气排放到大气中。 罐中的水被U形烟道馅饼的上下部分加热。
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公开(公告)号：US11454405B2
公开(公告)日：2022-09-27
申请号：US16873612
申请日：2020-05-26
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
摘要： An electric water heater having a water holding tank defined by a cylindrical side wall, a top wall and a dome-shaped bottom wall. A cold water inlet is disposed for releasing water under pressure in a lower portion of the tank. Two or more resistive heating elements heat water in an upper and lower region of the tank. The lower portion of the cylindrical side wall and the outer circumferential portion of the dome-shape bottom wall form a circumferential cavitated area inside the tank in which sediments deposit forming a bed in which bacteria can proliferate. A conduit is secured about at least a substantial circumferential portion of an outer surface of the cylindrical side wall adjacent the cavitated area. A resistive heating wire is disposed in the conduit and has connection leads extending out of a free open end of the conduit to an access area to provide connection to power terminals and a control for controlling the supply of power to the resistive heating wire.
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公开(公告)号：US20220196249A1
公开(公告)日：2022-06-23
申请号：US16974288
申请日：2020-12-21
申请人： MICLAU-S.R.I. INC.
发明人： Jean-Claude Lesage
摘要： A hot water temperature sensing cut-off system and method for use with electric water heaters to preclude the flow of unsafe water from the water heater into the hot water distribution conduit to prevent the risk of bacteria transfer in the hot water distribution conduit. One simple solution is to mount a temperature responsive shut-off valve between the hot water supply outlet conduit of the tank of the water heater and the hot water distribution conduit and wherein the valve will shut-off water flow upon detection of an unsafe water temperature below 125 degrees Fahrenheit. Another solution is to use a controller to operate a shut-off valve. A temperature sensor is located to sense the water temperature at the intake of the hot water conduit and feeds a signal to the controller to operate a closure component of the valve to shut-off the hot water supply upon detecting a predetermined low water temperature fed to an inlet end of the control shut-off valve. When the water heats up to a predetermined safe temperature, the controller opens the valve and continues supplying hot water.
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公开(公告)号：US10562788B1
公开(公告)日：2020-02-18
申请号：US16602362
申请日：2019-09-24
申请人： MICLAU-S.R.I. INC.
发明人： Jean-Claude Lesage
摘要： A method and an apparatus is described for preventing bacteria proliferation in a bottom end of a water holding tank of an electric water heater. Different water convection devices are described for convecting heated water from inside the tank and into the bottom end of the tank to raise the temperature at the bottom end sufficiently high to prevent bacteria growth and particularly at a temperature of at least 46 degrees C. where the Legionella bacteria can not survive. The temperature at the bottom end of the tank is monitored and the convection devices controlled to maintain the desired hot water temperature. An added benefit of the invention is that it also prevents sediment deposits and water temperature stratification in the tank bottom end section.
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10.发明授权公开(公告)号：US10393406B2
公开(公告)日：2019-08-27
申请号：US15732713
申请日：2017-12-19
申请人： MICLAU-S.R.I. INC.
发明人： Claude Lesage , Jean-Claude Lesage
摘要： An electrical water heater adapted for energy management and a method of controlling the consumption of electrical power from the power supply grid of a utility is described. The bottom resistive heating element of the water heater is a dual element resistive heating element which has a high power rated resistive heating element to heat water and a further low power rated resistive heating element. The power rating of the low power resistive heating element is calculated to be lower than the supply grid diversified mean load. A controller has a communication link with a utility which manages the power supply grid. The utility can control the resistive heating elements of the dual element in such a way, and depending on conditions of the grid, to conserve energy and regulate its frequency thereby resulting in a cost saving to the consumer and the utility. The low power rated resistive heating element is also connectable to an alternative power source.
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