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    • 62. 发明授权
    • Method and apparatus for active control of combustion devices
    • 用于主动控制燃烧装置的方法和装置
    • US5428951A
    • 1995-07-04
    • US106866
    • 1993-08-16
    • Kenneth WilsonKlaus SchadowRobert SmithEphraim Gutmark
    • Kenneth WilsonKlaus SchadowRobert SmithEphraim Gutmark
    • F23C99/00F23M99/00F23N5/16F23R3/18F02C5/00
    • F23C99/00F23M20/005F23N5/16F23R3/18F05D2260/96F05D2270/083F05D2270/14F23N2025/04F23R2900/00013F23R2900/00014Y02T50/677
    • An improved technique for the active control of various combustion devices. This improved technique employs a flame kernel pulse actuator which produces periodic flame kernels by a spark ignition of a stoichiometric air and fuel mixture upstream of the combustion chamber. The discrete flame kernels are convected in a duct of premixed fuel and air which produce discrete pressure oscillations due to the energy release as each discrete flame propagates. Because the source of the energy release is essentially a chemical reaction, the flame kernel pulse actuator is able to produce a substantial amount of energy release even at the high operating pressures which are often encountered in many operational environments. These pressure oscillations may be adjusted to suppress or augment any combustion induced pressure oscillations as well as act to modulate the mixing layer between the fuel and air, thus controlling the downstream combustion process.The flame kernel pulse actuator comprises an actuator housing, a secondary fuel injection system, and an igniter. The combination of the igniter and fuel injection system produces a plurality of discrete flame kernels which are convected downstream toward the combustion chamber. The present flame kernel pulse actuator further includes a pressure sensor which is positioned so as to measure the acoustic oscillations in the combustion chamber and a controller device which uses the output of the sensor to control the frequency, phase shift, and amplitude of the discrete flame kernels.
    • 一种用于各种燃烧装置的主动控制的改进技术。 这种改进的技术采用火焰核脉冲致动器,其通过在燃烧室上游的化学计量的空气和燃料混合物的火花点火来产生周期性的火焰内核。 离散的火焰内核在预混燃料和空气的管道中对流,由于每个离散的火焰传播时由于能量释放而产生离散的压力振荡。 由于能量释放的来源基本上是一种化学反应,即使在许多操作环境中经常遇到的高操作压力下,火焰核脉冲致动器也能产生大量的能量释放。 可以调节这些压力振荡以抑制或增加任何燃烧诱发的压力振荡,以及用于调节燃料和空气之间的混合层,从而控制下游燃烧过程。 火焰核心脉冲致动器包括致动器壳体,二次燃料喷射系统和点火器。 点火器和燃料喷射系统的组合产生了向下游朝向燃烧室对流的多个离散的火焰内核。 目前的火焰核心脉冲致动器还包括压力传感器,其被定位成测量燃烧室中的声振荡;以及控制器装置,其使用传感器的输出来控制离散火焰的频率,相移和振幅 内核
    • 63. 发明授权
    • Cooling coil and air distribution system defrost means
    • 冷却盘管及配风系统除霜手段
    • US4061482A
    • 1977-12-06
    • US745551
    • 1976-11-29
    • Robert Smith
    • Robert Smith
    • F25D17/06F25D21/00F25D21/08
    • F25D17/065F25D21/008F25D21/08F25B2700/21173F25D2317/0653F25D2400/04
    • A domestic refrigerator control arrangement for automatically defrosting the cabinet with a minimum of cycle time while obviating the buildup of frost within the cold air conduits. A defrost heater is located at the frontal area of the evaporator coils and the defrost thermostat on the rearward edge of the cross fins coil assembly in the air stream of the air circulating fan sensing the temperature of the air exiting the evaporator. The fan is wired in series with the defrost thermostat and operates upon the energization of the defrost heater, while being deenergized upon the opening of the defrost thermostat contacts at the end of the defrost period. The fan remains in its off position until the defrost thermostat recloses, insuring that moisture-laden air is not distributed throughout the refrigerator.
    • 一种家用冰箱控制装置,用于以最小的循环时间自动除霜柜体,同时避免在冷空气管道内积聚霜。 除霜加热器位于蒸发器盘管的正面区域,并且在空气循环风扇的空气流中的十字翅片盘管组件的后边缘处的除霜恒温器感测离开蒸发器的空气的温度。 风扇与除霜恒温器串联连接,并在除霜加热器通电后进行操作,同时在除霜周期结束时开启除霜恒温器触点断电。 风扇保持在其关闭位置,直到除霜恒温器重新闭合,确保潮湿的空气不分布在整个冰箱中。
    • 68. 发明申请
    • INK MIXING SYSTEM
    • 墨水混合系统
    • US20120194619A1
    • 2012-08-02
    • US13017195
    • 2011-01-31
    • Robert SmithMichael StampJohn BostickCarl MannTrevor Lye
    • Robert SmithMichael StampJohn BostickCarl MannTrevor Lye
    • B41J2/175
    • B41J2/17596B41J2/175B41J2/17513
    • An ink system of an ink jet printer includes a fluid tank. The fluid tank includes a generally conically shaped side wall, the side wall sloping inwardly from a top portion to a bottom portion. A bottom surface is disposed adjacent the bottom portion of the side wall. A first fluid conduit is disposed in the fluid tank and includes an opening adjacent to and above the bottom surface of the fluid tank. A second fluid conduit is disposed in the fluid tank and includes an opening at a location above the opening of the first fluid conduit. A pump is in fluid communication with the first fluid conduit and the second fluid conduit. An ink supply line is in fluid communication with the pump. A print head is in fluid communication with the ink supply line.
    • 喷墨打印机的油墨系统包括流体箱。 流体箱包括大致圆锥形的侧壁,侧壁从顶部向底部向内倾斜。 底面邻近侧壁的底部设置。 第一流体导管设置在流体箱中,并且包括与流体槽的底表面相邻并且在其上方的开口。 第二流体导管设置在流体箱中并且包括在第一流体导管的开口上方的位置处的开口。 泵与第一流体导管和第二流体导管流体连通。 墨水供应管线与泵流体连通。 打印头与供墨管线流体连通。
    • 69. 发明申请
    • CHAIN TENSION SENSOR
    • 链张力传感器
    • US20120118707A1
    • 2012-05-17
    • US13297067
    • 2011-11-15
    • John ToutGordon PowellRobert Smith
    • John ToutGordon PowellRobert Smith
    • B65G43/00
    • B65G43/06B65G23/44
    • A chain tension sensor for a chain conveyor, the conveyor including a frame and a chain having a plurality of flights. The tension sensor includes a reaction arm and a load sensing pin. The reaction arm includes a first end, a second end opposite the first end, and a load pad. The first end is pivotably coupled to the frame by a pivot pin defining a pivot axis. The load pad is adjacent the conveyor chain and positioned to contact flights passing the load pad. The flights contacting the load pad exert a force on the reaction in a direction that is perpendicular to the pivot axis. The load sensing pin is coupled to the reaction arm such that the load sensing pin senses the force that is exerted by the flights.
    • 用于链式输送机的链式张力传感器,该输送机包括具有多个飞行的框架和链条。 张力传感器包括反作用臂和负载传感销。 反作用臂包括第一端,与第一端相对的第二端和负载垫。 第一端通过限定枢转轴线的枢轴枢转地联接到框架。 负载垫与输送链相邻并且定位成与经过负载垫的接触点接触。 与负载垫接触的飞行器在垂直于枢转轴线的方向上对反作用力施加力。 负载感测销耦合到反作用臂,使得负载感测销感测到由翼片施加的力。