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    • 4. 发明授权
    • Fuel delivery system for fuel-burning heater and associated components
    • 燃油加热器和相关组件的燃油输送系统
    • US5372484A
    • 1994-12-13
    • US970932
    • 1992-11-02
    • Eugene C. BriggsWayne RobertsonChristopher L. Gansel
    • Eugene C. BriggsWayne RobertsonChristopher L. Gansel
    • F23K5/04F23K5/14F04B49/00
    • F23K5/04F23K5/142F23D2209/30F23G2209/102
    • An oil-burning furnace including a combustion zone and a nozzle block assembly through which oil and pressurized air are introduced into the combustion zone utilizes an oil pump of trochoidal design for delivering oil to the combustion zone at a metered rate and a purge control for withdrawing oil from the nozzle block assembly upon shut down of the furnace operation. The flow rate at which the oil pump delivers the oil to the nozzle block assembly is relatively constant regardless of the weight or viscosity of the oil burned by the furnace, and the purge control cooperates with an air compressor used for delivering air, under pressure, to the nozzle block assembly and includes an expandable zone for extracting oil from the nozzle block assembly upon a de-energizing of the air compressor. The nozzle block assembly also includes a block providing an air passageway through which air is pumped from the air compressor into the combustion zone and an electric heating element disposed within the air passageway for heating air routed therethrough. Thermostats mounted within the nozzle assembly block ensure that the block is maintained within a preselected temperature range from the outset of furnace operation.
    • 包括燃烧区和喷嘴块组件的燃油炉,其中油和加压空气通过该燃烧区和喷嘴块组件被引入到燃烧区域中,利用摆线设计的油泵以计量速率将油输送到燃烧区,并且用于抽出的吹扫控制 在关闭炉子操作时,来自喷嘴块组件的油。 油泵将油输送到喷嘴块组件的流速相对恒定,而不管由炉燃烧的油的重量或粘度如何,并且吹扫控制与用于在压力下输送空气的空气压缩机配合, 并且包括用于在空气压缩机断电时从喷嘴块组件提取油的可膨胀区域。 喷嘴块组件还包括提供空气通道的块,空气通过空气通道将空气从空气压缩机泵送到燃烧区中,以及设置在空气通道内的电加热元件,用于加热从其中穿过的空气。 安装在喷嘴组件块内的温控器确保了从炉膛开始就将块保持在预选的温度范围内。
    • 10. 发明授权
    • Portable kerosene heater
    • 便携式煤油加热器
    • US5540213A
    • 1996-07-30
    • US228325
    • 1994-04-15
    • Dennis B. ShellJay J. Kakuk
    • Dennis B. ShellJay J. Kakuk
    • F23D11/06F23D11/40F23K5/14F23N5/14F24H3/04F24H3/02
    • F23D11/40F23D11/06F23K5/142F23N5/143F24H3/0488F23N2027/42Y02E20/348
    • A kerosene heater (1) having a pump assembly (106) which includes a piston (113) having a hollow bore (121) through which fuel (98) is routed to the hollow shaft of a fuel atomizer (27). The piston (113) is operated by a cam (117) machined into the shaft (114) of the heater motor (22). Mounted on the motor shaft (114) between the atomizer (27) and the pump assembly (106) is a novel fan (26) combining both low pitched outer blade portions (143) and high pitched vanes (146) near the hub (136) of the fan (26). The air flow near the periphery of the fan tends to be axial while the flow near the hub (136) tends to be turbulent and of lower velocity. A series of rear heads (32,33) downstream of the atomizer (27) tends to separate cooling and combustion air while preheating a portion of the air in the region of the atomizer (27). Some of the air impinges a serrated disc (47) located downstream of the atomizer (27), the disc having a novel edge structure (49) which tends to create turbulence and aid atomization of the fuel prior to ignition. A pair of tapering, nesting perforated cones (65,81) located downstream of the ignitor (17) modify the fuel/air mixture and control the size and shape of the flame as it moves toward the open end (179) of the heater jacket (10). A novel control circuit (162) measures the resistance of the ignitor (17) to obtain an indication of the temperature within the combustion chamber and generate motor control signals in response thereto.
    • 一种具有泵组件(106)的煤油加热器(106),其包括具有中空孔(121)的活塞(113),燃料(98)通过所述中空孔被引导到燃料雾化器(27)的中空轴。 活塞(113)由加工到加热器马达(22)的轴(114)中的凸轮(117)操作。 安装在雾化器(27)和泵组件(106)之间的电机轴(114)上的是一种新颖的风扇(26),其组合了靠近轮毂(136)的低倾斜外叶片部分(143)和高斜叶片 )的风扇(26)。 风扇周边附近的空气流倾向于轴向,而靠近轮毂(136)的流动倾向于是湍流并且具有较低的速度。 在雾化器(27)下游的一系列后头(32,33)倾向于分离冷却和燃烧空气,同时预热雾化器(27)的区域中的一部分空气。 一些空气冲击位于雾化器(27)下游的锯齿状盘(47),该盘具有新颖的边缘结构(49),其倾向于在点燃之前产生湍流并且帮助燃料雾化。 位于点火器(17)下游的一对渐缩的,嵌套的穿孔锥体(65,81)改变燃料/空气混合物,并且当火焰朝向加热器套管的开口端(179)移动时控制火焰的尺寸和形状 (10)。 新颖的控制电路(162)测量点火器(17)的电阻以获得燃烧室内温度的指示并响应于此产生电动机控制信号。