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公开(公告)号：US4663613A
公开(公告)日：1987-05-05
申请号：US757472
申请日：1985-07-22
CPC分类号： E04H4/129
摘要： A tub is supplied with hot water through a water circulation system including a pump, a water filter and an electric flow-through heater energized through an electric contactor upon closure thereof. A user of the tub is urged to service the water circulation system upon clogging thereof. For this purpose, water flow fluctuations occurring in the circulation system upon restriction of the water circulation system are sensed and closure of the contactor is precluded for a time interval of predetermined duration in response to a sensing of water flow fluctuations. That predetermined duration is made sufficiently short for a resumption of the heater energization through reclosure of the contactor if the fluctuations are only transient, but sufficiently long to effect the reduction of water temperature in the tub supplied through the heater by restricting reclosure of the contactor as long as the fluctuations continue, so as to indicate to the user of the tub through the reduced water temperature a need to service the water circulation system.
摘要翻译： 通过包括泵，水过滤器和在其关闭时通过电接触器通电的电流通加热器的水循环系统向桶提供热水。 敦促桶的使用者在其堵塞时对水循环系统进行维修。 为此，响应于水流波动的检测，感测到在循环系统中发生在水循环系统受限制的水流波动，接触器的闭合时间间隔预定的持续时间。 如果波动只是暂时的，通过重新闭合接触器来恢复加热器通电，则预定的持续时间足够短，但足够长以通过限制接触器的重新闭合来实现通过加热器供应的水桶中的水温降低 只要波动持续，以便通过降低水温向用户指示需要维修水循环系统。
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公开(公告)号：US4361274A
公开(公告)日：1982-11-30
申请号：US184638
申请日：1980-09-08
CPC分类号： G05D23/24 , G05D23/1909
摘要： An electronic temperature control circuit is disclosed for use with swimming pool and spa heaters. The circuit employs a thermistor for sensing water temperature, and provides temperature control with a narrow differential. Safety circuits are also employed to prevent injury to the user or to the heater in the event of a component failure. The temperature control circuit is provided with means for presetting two desired temperature settings and for selecting one of the preset temperature settings for control. Remote control circuits are also disclosed for use with the temperature control circuit which permit temperature selection, temperature setting and a visual indication of heater status from a location remote from the heater.
摘要翻译： 公开了一种用于游泳池和温泉加热器的电子温度控制电路。 该电路采用热敏电阻检测水温，并提供窄差的温度控制。 在组件故障的情况下，还采用安全电路来防止使用者或加热器受到伤害。 温度控制电路设置有用于预设两个期望的温度设置和用于选择一个预设温度设置用于控制的装置。 还公开了与温度控制电路一起使用的遥控电路，其允许从远离加热器的位置进行温度选择，温度设定和加热器状态的可视指示。
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公开(公告)号：US4421270A
公开(公告)日：1983-12-20
申请号：US322454
申请日：1981-11-18
CPC分类号： G05D23/24 , G05D23/1909
摘要： An electronic temperature control circuit is disclosed for use with swimming pool and spa heaters. The circuit employs a thermistor for sensing water temperature, and provides temperature control with a narrow differential. Safety circuits are also employed to prevent injury to the user or to the heater in the event of a component failure. The temperature control circuit is provided with means for presetting two desired temperature settings and for selecting one of the preset temperature settings for control. Remote control circuits are also disclosed for use with the temperature control circuit which permit temperature selection, temperature setting and a visual indication of heater status from a location remote from the heater.
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公开(公告)号：US5117233A
公开(公告)日：1992-05-26
申请号：US599711
申请日：1990-10-18
CPC分类号： A61H33/60 , A61H33/005 , A61H2033/0079 , A61H33/02 , Y10T137/85954 , Y10T137/86397 , Y10T307/937
摘要： Methods and apparatus for controlling equipment for operating a spa, provide electrical controls for controlling such equipment, a manual stationary control for manual user operation of these electrical controls, and a manual remote control including a hand-held wireless remote control unit for manual user operation, at least from inside the spa, of the electrical controls operable by the manual stationary control. The manual stationary control is maintained activated for continued manual user operation of the equipment through the electrical controls manually from a control location while the manual remote control remains activated for manual user operation of the equipment through the electrical controls interchangeably with the manual stationary control from the control location and with the hand-held wireless remote control unit at least from inside the spa. Visual indicators are preferably provided for indicating to the user various conditions of the electrical controls and equipment as selected from time to time interchangeably with the remote control unit and with the manual stationary control.
摘要翻译： 用于控制用于操作温泉的设备的方法和装置，提供用于控制这种设备的电气控制，用于这些电气控制的手动用户操作的手动静止控制，以及包括用于手动用户操作的手持式无线遥控单元的手动遥控器 至少从温泉内部可以通过手动静止控制操作的电气控制。 手动静止控制被保持激活，以便手动遥控器通过电气控制从控制位置手动继续手动操作设备，手动遥控器通过与手动固定控制器可互换地通过电气控制来手动操作设备 控制位置和手持式无线遥控单元至少从水疗中心内。 视觉指示器优选地被提供用于向用户指示与遥控单元和手动静止控制可互换选择的电气控制和设备的各种条件。
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5.发明授权Premix furnace and methods of mixing air and fuel and improving combustion stability 有权预混炉和混合空气和燃料的方法，提高燃烧稳定性公开(公告)号：US08167610B2
公开(公告)日：2012-05-01
申请号：US12793318
申请日：2010-06-03
申请人： William F. Raleigh , Robert A. Borgeson , Aaron D. Herzon , Allan J. Reifel , Russell W. Hoeffken
发明人： William F. Raleigh , Robert A. Borgeson , Aaron D. Herzon , Allan J. Reifel , Russell W. Hoeffken
IPC分类号： F23C5/00
CPC分类号： F23D14/64 , F23D14/58 , F23D14/70 , F23D2203/102 , F23D2210/00 , F23D2900/14482
摘要： Premix furnace for heating an occupied space while producing lower NOx emissions and methods of mixing air and fuel delivered to a premix burner and of improving combustion stability. A mixing device may be located within an inlet tube, may have a flat surface that is perpendicular to the direction of fuel flow, or may have two surfaces held at substantially opposite angles to induce swirl. A mixing device may be attached to the fuel injector, may be made from a piece of sheet metal, and may have bends and a hole for attachment to the fuel injector. A fluidic diode in the inlet tube may improve combustion stability and may include a hollow frustum or a frustoconical portion, a cylinder concentric with the inlet tube, or a combination thereof. Some embodiments include refractory insulation lining the combustion chamber or may adjust for elevation or fuel characteristics.
摘要翻译： 用于加热占用空间同时产生较低的NOx排放物的预混炉以及输送到预混燃烧器的空气和燃料混合物以及改善燃烧稳定性的方法。 混合装置可以位于入口管内，可以具有垂直于燃料流动方向的平坦表面，或者可以具有以基本上相反的角度保持以产生涡流的两个表面。 混合装置可以附接到燃料喷射器，可以由一块金属板制成，并且可以具有用于附接到燃料喷射器的弯曲部和孔。 入口管中的流体二极管可以提高燃烧稳定性，并且可以包括中空截头锥体或截头圆锥形部分，与入口管同心的圆柱体，或其组合。 一些实施方案包括在燃烧室内衬的耐火绝缘体，或者可以调节高度或燃料特性。
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公开(公告)号：US5960787A
公开(公告)日：1999-10-05
申请号：US851639
申请日：1997-05-06
CPC分类号： F23J11/00 , F23L17/005 , F23J2900/13003 , F23J2900/13004
摘要： Required blower power in an induced draft combustion system is reduced by recovering pressure from dynamic energy of flow of combustion products. To this end, the outlet duct is diverged gradually, such as an included angle of less than fifteen degrees, and preferably at an angle of substantially seven degrees. Divergence of the outlet duct may be expressed in polar coordinates having a polar axis, overlapping radius vectors and a variable polar angle of such overlapping radius vectors relative to the polar axis. A difference between such overlapping radius vectors is increased in a direction of flow of the combustion products and the outlet duct is structured with cross-sections increasing incrementally in terms of the increasing difference between the overlapping radius vectors. Condensate may be drained from a combustion product by providing the duct with a lateral offset having a bottom extending at an angle to the earth's field of gravity. Condensate may be collected at that bottom, and the condensate may be drained from that bottom.
摘要翻译： 通过从燃烧产物流动的动态能量回收压力，可以减少诱导通风燃烧系统中所需的鼓风机功率。 为此，出口管道逐渐发散，例如小于十五度的夹角，优选为大致七度的角度。 出口管道的发散可以用具有极坐标轴，重叠半径向量和相对于极轴的这种重叠半径向量的可变极角的极坐标表示。 这种重叠半径向量之间的差异在燃烧产物的流动方向上增加，并且出口管道的横截面按照重叠半径向量之间的增加的差异逐渐增加而构成。 可以通过向管道提供具有与地球重力成角度延伸的底部的侧向偏移，从燃烧产物排出冷凝物。 可以在该底部收集冷凝物，并且可以从该底部排出冷凝物。
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公开(公告)号：US5697435A
公开(公告)日：1997-12-16
申请号：US211553
申请日：1996-12-26
CPC分类号： F28F1/36 , F24H1/40 , F24H8/00 , F28D7/1623 , F28F1/42 , F28F13/08 , F28F9/22 , Y02B30/102 , Y10S165/481 , Y10S165/91
摘要： Heat is transferred from a first fluid to a cooler second fluid with a heat exchanger having heat exchanger tubes in which the cooler second fluid flows, preferably in a counterflow to the first fluid. The heat exchanger tubes are arranged in more than three rows of heat exchanger tubes. The first fluid proceeds successively downstream through such rows in heat-transfer relationship with the heat exchanger tubes. Each downstream row of heat exchanger tubes has less throughput area for the first fluid than an adjacent upstream row of heat exchanger tubes as among at least the first three rows of heat exchanger tubes in the direction of flow of the first fluid. Each downstream row of heat exchanger tubes may have less heat exchanger tubes than an adjacent upstream row of heat exchanger tubes as among at least the first three of the rows of heat exchanger tubes in the direction of flow of the first fluid. The heat exchanger tubes preferably are arranged in triangular or Y-shaped patterns in heat exchangers presenting a flow area of diminishing width for the first fluid.
摘要翻译： PCT No.PCT / US93 / 12704 Sec。 371日期1996年12月26日第 102（e）日期1996年12月26日PCT提交1993年12月22日PCT公布。 公开号WO95 / 17637 日期1995年6月29日使用具有热交换器管的热交换器将第一流体从第一流体转移到较冷的第二流体，其中较冷的第二流体流动，优选地与第一流体逆流。 热交换器管布置在三排热交换器管中。 第一流体通过与热交换器管的热传递关系的这些排连续下行。 每个下游排的热交换器管在第一流体的流动方向上比在相邻的上游排热交换器管中具有较少的通量面积，至少在前三行热交换器管中。 每个下游排的热交换器管可以具有比相邻的上游排的热交换器管更少的热交换器管，在第一流体的流动方向中的至少前三行热交换器管中。 热交换器管优选地在热交换器中以三角形或Y形图案布置，呈现第一流体宽度减小的流动面积。
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公开(公告)号：US5992410A
公开(公告)日：1999-11-30
申请号：US74818
申请日：1998-05-08
CPC分类号： F23D17/002 , F23D14/02 , F23D14/34 , F23D14/70
摘要： An improved high-efficiency furnace for use with manufactured housing has a modular heat exchanger assembly having a drum and a plurality of serpentine shaped tubes. A burner extends at least partially into the drum portion of the heat exchanger which acts as a combustion chamber. Hot combustion gases flow upwardly within the drum and enter the tubes heating the drum and tubes. Room air is drawn into the furnace by a circulating blower and blown against the plurality of tubes. The room air is then directed to flow around the drum portion of the heat exchanger where it is further heated before being discharged into the space being heated. The burner includes an inwardly tilted target plate having a plurality of fingers for facilitating the formation of a stable ball of flame within the drum. A lower airbox which provides combustion air to the burner includes a smooth turn and a neck-down portion for reducing undesirable flow patterns and an axial combustion fan provides positive static pressure in the inlet airstream. With oil-fired burners, the furnace includes an improved ceramic combustion chamber having multiple openings and a groove channel.
摘要翻译： 与制造的壳体一起使用的改进的高效率炉具有具有鼓和多个蛇形管的模块化热交换器组件。 燃烧器至少部分地延伸到用作燃烧室的热交换器的鼓部分中。 热的燃烧气体在滚筒内向上流动，并进入加热滚筒和管子的管道。 室内空气通过循环鼓风机吸入炉中并吹向多个管。 然后将室内空气引导流过热交换器的鼓部分，在其被进一步加热之前被排放到被加热的空间中。 燃烧器包括具有多个指状物的向内倾斜的靶板，以便于在滚筒内形成稳定的火焰球。 向燃烧器提供燃烧空气的下部空气箱包括平滑的转动和用于减少不期望的流动模式的颈缩部分，并且轴向燃烧风扇在入口气流中提供正静压力。 使用燃烧燃烧器的炉子包括具有多个开口和沟槽通道的改进的陶瓷燃烧室。
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公开(公告)号：US5860451A
公开(公告)日：1999-01-19
申请号：US614396
申请日：1996-03-12
CPC分类号： G05D11/006 , Y10T137/87587
摘要： Apparatus for providing an admixture of first and second fluids has a first body having opposite ends, a chamber between such opposite ends, an inlet for first fluid into that chamber, and an aperture for the admixture at an end of that chamber. That apparatus also includes a second body having an inlet aperture for second fluid spaced from the first body, an outlet aperture spaced inside the chamber from the aperture for the admixture, and a fluid flow channel decreasing in cross-sectional area from the inlet aperture spaced from the first body to the outlet aperture inside the chamber between opposite ends of the first body. Such first and second bodies jointly comprise a flange structure at the first body and between the inlet and outlet apertures of the second body. An admixture flow channel increases in cross-sectional area away from the aperture at the end of the chamber.
摘要翻译： 用于提供第一和第二流体的混合物的装置具有第一主体，其具有相对的端部，在该相对端部之间的腔室，用于进入该腔室的第一流体的入口以及在该腔室的端部处的混合物的孔。 该装置还包括第二主体，其具有用于与第一主体间隔开的第二流体的入口孔，在室内与用于混合物的孔间隔开的出口孔，以及与入口孔间隔开的横截面积减小的流体流动通道 从第一主体到第一主体的相对端之间的室内的出口孔。 这样的第一和第二主体共同包括位于第一主体处的凸缘结构，并且在第二主体的入口和出口之间。 混合流动通道在腔室端部处的开口的横截面积增加。
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10.发明申请公开(公告)号：US20120180774A1
公开(公告)日：2012-07-19
申请号：US13433058
申请日：2012-03-28
CPC分类号： F23D14/64 , F23D14/58 , F23D14/70 , F23D2203/102 , F23D2210/00 , F23D2900/14482
摘要： Mixing devices for mixing fuel and air for a premix burner or furnace and furnaces (e.g., premix) with mixing devices. Furnaces may be for heating an occupied space, and may produce lower NOx emissions. A mixing device may be located within an inlet tube, may have a surface that is perpendicular to the direction of fuel flow or that forms a circle, or may have two surfaces held at substantially opposite angles to induce swirl. A portion of the mixing device may extend over an orifice of the fuel injector. A mixing device may be attached to the fuel injector, may be made from a piece of sheet metal, and may have a hole for attachment to the fuel injector. Mixing devices may have a center, two arms, and two ends, which may be separated by bends. A burner plate may be sandwiched between surfaces to allow for expansion.
摘要翻译： 用于将燃料和空气混合用于预混燃烧器或炉子的混合装置和与混合装置的炉（例如，预混合物）混合。 炉子可能用于加热占用空间，并可能产生较低的NOx排放。 混合装置可以位于入口管内，可具有垂直于燃料流动方向或形成圆形的表面，或者可以具有以基本上相反的角度保持的两个表面以引起涡流。 混合装置的一部分可以在燃料喷射器的孔口上延伸。 混合装置可以附接到燃料喷射器，可以由一块金属板制成，并且可以具有用于附接到燃料喷射器的孔。 混合装置可以具有中心，两个臂和两个端部，其可以通过弯曲部分开。 燃烧器板可夹在表面之间以允许膨胀。
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