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    • 92. 发明授权
    • Self-correcting microprocessor control system and method for a furnace
    • 自动校正微处理器控制系统及方法
    • US4792089A
    • 1988-12-20
    • US87737
    • 1987-08-21
    • Gary W. Ballard
    • Gary W. Ballard
    • F23N1/02F23N5/24F24D5/10
    • F23N5/242F23N1/022F23N2023/08F23N2025/04F23N2025/08F23N2025/12F23N2027/04F23N2027/06F23N2031/18F23N2031/26F23N2033/08F23N2033/10F23N2035/14F23N2035/18F23N2035/24Y10T137/4273
    • A self-correcting control system and method is provided for a furnace to correct certain operating conditions that exceed normal limits. Upon sensing insufficient air flow as a function of the pressure drop across the heat exchangers, the control system and method cause the inducer motor to increase in speed, thereby to increase the flow of combustion air. Similarly, upon sensing that the flow of air to be heated exceeds a predetermined temperature, the control system and method will increase the speed of the air blower to increase the flow rate of air to be heated through the furnace, thereby resulting in lowering the temperature of the air to be heated below the predetermined temperature. Upon sensing a gas flow leak through the gas regulator, the control system and method will recycle the gas regulator to properly seat a gas flow control valve therein. If none of the self-correcting features correct the particular occurring problem, the control system and method will shut down the furnace.
    • 提供了一种用于炉子的自校正控制系统和方法,以校正超过正常极限的某些操作条件。 当感测到不足的空气流量是跨过热交换器的压降的函数时,控制系统和方法使得引擎电动机的速度增加,从而增加燃烧空气的流动。 类似地,一旦检测到被加热空气的流量超过预定温度,则控制系统和方法将增加鼓风机的速度,以增加通过炉子加热的空气的流量,从而导致降低温度 待加热的空气低于预定温度。 当感测到通过气体调节器的气体流量泄漏时,控制系统和方法将再循环气体调节器以正确地将气体流量控制阀安置在其中。 如果没有自校正功能纠正特定的发生问题,则控制系统和方法将关闭炉。
    • 93. 发明专利
    • 排気ダクト内の油脂付着を検知するシステム
    • 用于检测排水管中的油脂沉积物的系统
    • JP2014240750A
    • 2014-12-25
    • JP2014201251
    • 2014-09-30
    • オーワイ ハルトン グループ リミテッドOy Halton Group Ltdオーワイ ハルトン グループ リミテッド
    • LIVCHAK ANDREY VDEREK W SCHROCK
    • F24F11/02F24F7/06F24F13/02
    • G01N21/94F23J3/026F23J2213/70F23N5/245F23N2031/26F24C15/2021G01N21/55G01N25/72
    • 【課題】汚染付着物が堆積することにより、ダクトを清浄する又は交換する必要性を知らせるシステムを提供する。【解決手段】ダクト内の汚れ状態を検知するシステムは、排気流中に配置される表面を備える部材と、部材の表面に向かって光を導くように構成された光源と、汚れを表す表面の性質の変化による表面の汚れ状態を示す信号を生成する制御部と、を備え、光が検出器へ反射されて戻るように、表面は、ミラー、拡散反射装置、及び逆反射装置部材の中のいずれかであり、検出器と光源とがともに表面とは対向して位置し、部材がダクト壁に設けられた単一のアクセス開口に配置され、単一の開口から延びる下方輪郭アームによって部材がダクト内に位置するように、部材は下方輪郭アームによって光源と検出器とに取り付けられており、性質は、表面の光学的反射率であることを特徴とする。【選択図】図9B
    • 要解决的问题:提供一种系统,其通知需要由于污染物沉积物的积聚而被清洁或更换的管道。解决方案:用于检测管道中的结垢的系统包括:具有放置在排气流中的表面的构件; 光源,其构造成将光朝向所述构件的表面引导; 以及控制器,其产生指示由于指示结垢的表面的特性的变化而导致的表面的污染状况的信号。 表面是反射镜,漫反射器或后向反射器材料中的任何一个,使得光被反射回到检测器。 检测器和光源都位于表面的相对侧。 构件被放置在设置在管道壁上的单个进入开口中。 该构件以从单个开口延伸的低轮臂安装到光源和检测器,使得构件位于管道中。 该属性是光学表面反射率。
    • 99. 发明公开
    • METHOD FOR OPERATING A FAN ASSISTED, ATMOSPHERIC GAS BURNER APPLIANCE
    • EP3327351A1
    • 2018-05-30
    • EP16200264.6
    • 2016-11-23
    • Honeywell Technologies Sarl
    • Corti, UmbertoConti, MassimoSpelzini, Marco
    • F23N5/12F23N5/24F23D14/02
    • F23D14/02F23N5/12F23N5/242F23N5/245F23N2031/10F23N2031/26F23N2033/04
    • Method for operating a fan assisted, atmospheric gas burner appliance (10), wherein said gas burner appliance (10) comprises a burner chamber (11) in which a gas/air mixture can be combusted, a heat exchanger (12) for heating water by combusting said gas/air mixture, an air pipe (15) or air duct for providing the air of the gas/air mixture, a gas pipe (16) or gas duct for providing the gas of the gas/air mixture, an exhaust pipe (17) or exhaust duct through which exhaust flowing out of said burner chamber (11) can emerge into the ambient of the gas burner appliance, a fan (19) being assigned to the exhaust pipe (17) or to the air pipe (14) and a gas valve (18) being assigned to the gas pipe (16), wherein for modulation of the burner load the valve position of the gas valve (18) is changed, a flame ionization sensor (24) providing a measurement signal.During active combustion of the gas/air mixture while the fan (19) is running at a first fan speed and while the valve position of the gas valve (18) is a at first valve position, the fan speed of the fan (19) will be decreased to a second fan speed, the valve position of the gas valve (18) will be kept constant or almost constant and the change of the measurement signal of the flame ionization sensor (24) will be monitored. If the change of the measurement signal of the flame ionization sensor (24) is smaller than a threshold after the decrease of the fan speed of the fan (19) to the second fan speed, an actual gas supply pressure in the gas pipe (16) being smaller than a nominal gas supply pressure or an obstructed exhaust pipe (17) and/or obstructed air pipe (15) is detected.If the change of the measurement signal of the flame ionization sensor (24) is greater than the threshold after the decrease of the fan speed of the fan (19) to the second fan speed, an actual gas supply pressure in the gas pipe (16) corresponding to the nominal gas supply pressure and an unobstructed exhaust pipe (17) and unobstructed air pipe (15) is detected.