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    • 2. 发明授权
    • Apparatus and method for ultrasonically producing a spray of liquid
    • 用于超声波生产液体喷雾的装置和方法
    • US6053424A
    • 2000-04-25
    • US576536
    • 1995-12-21
    • Lamar Heath GipsonBernard CohenLee Kirby Jameson
    • Lamar Heath GipsonBernard CohenLee Kirby Jameson
    • B05B17/06B05B1/08
    • B05B17/0623
    • An apparatus and a method for ultrasonically producing a spray of liquid. The apparatus includes a die housing which defines a chamber adapted to receive a pressurized liquid and a means for applying ultrasonic energy to a portion of the pressurized liquid. The die housing further includes an inlet adapted to supply the chamber with the pressurized liquid, and an exit orifice defined by the walls of a die tip. The exit orifice is adapted to receive the pressurized liquid from the chamber and pass the liquid out of the die housing to produce a spray of liquid. When the means for applying ultrasonic energy is excited, it applies ultrasonic energy to the pressurized liquid without applying ultrasonic energy to the die tip. The method involves supplying a pressurized liquid to the foregoing apparatus, applying ultrasonic energy to the pressurized liquid but not the die tip while the exit orifice receives pressurized liquid from the chamber, and passing the pressurized liquid out of the exit orifice in the die tip to produce a spray of liquid.
    • 用于超声波生产液体喷雾的装置和方法。 该装置包括限定适于接收加压液体的室的模具壳体和用于向加压液体的一部分施加超声波能量的装置。 模具壳体还包括适于向腔室供应加压液体的入口和由模头尖端的壁限定的出口孔。 出口孔适于从腔室接收加压液体,并将液体从模具壳体中流出以产生液体喷雾。 当施加超声能量的装置被激发时,其对加压液体施加超声波能量,而不向模尖施加超声波能量。 该方法包括向上述装置提供加压液体,向加压液体而不是模具顶端施加超声能量,而出口孔从腔室接收加压液体,并将加压液体从模尖中的出口孔传出到 产生液体喷雾。
    • 4. 发明授权
    • Filter with zeolitic adsorbent attached to individual exposed surfaces
of an electret-treated fibrous matrix
    • 用连接到驻极体处理的纤维基质的各个暴露表面的沸石吸附剂过滤
    • US5906743A
    • 1999-05-25
    • US449041
    • 1995-05-24
    • Bernard CohenLee Kirby Jameson
    • Bernard CohenLee Kirby Jameson
    • A23F5/22B01J20/28B01D39/08
    • B01J20/28028A23F5/223B01J20/28033
    • An adsorbent filter for removing caffeine from liquids. The filter is composed of a liquid permeable, electret-treated matrix of fibrous material having individual exposed surfaces; and a relatively uniform distribution of adsorbent zeolite particulate material attached to individual exposed surfaces of the electret-treated fibrous material by substantially non-transient bonding, so that passage of a liquid having a caffeine concentration ranging from about 20 to about 100 mg per 100 mL of liquid through the matrix for a contact time of less than about 2 minutes results in at least a 40 percent reduction in the caffeine concentration of the liquid. The matrix of fibrous material may be selected from woven fabrics, knit fabrics and nonwoven fabrics. Generally speaking, the filter can be adapted to provide at least a 40 percent reduction in the caffeine concentration for about 1 cup to about 40 cups of a liquid.
    • 用于从液体中去除咖啡因的吸附剂过滤器。 过滤器由具有单独暴露表面的可渗透的驻极体处理的纤维材料基体组成; 以及通过基本上非瞬时接合而附着到驻极体处理过的纤维材料的单个暴露表面的吸附剂沸石颗粒材料的相对均匀的分布,使得咖啡因浓度范围从约20至约100mg / 100mL的液体通过 的液体通过基质接触时间小于约2分钟导致液体咖啡因浓度降低至少40%。 纤维材料的基质可以选自机织织物,针织织物和非织造织物。 一般来说,过滤器可以适合于提供约1杯至约40杯液体的咖啡因浓度的至少40%的降低。
    • 5. 发明授权
    • Apparatus and method for controlling an ultrasonic transducer
    • 用于控制超声换能器的装置和方法
    • US5900690A
    • 1999-05-04
    • US671266
    • 1996-06-26
    • Lamar Heath GipsonBernard CohenLee Kirby Jameson
    • Lamar Heath GipsonBernard CohenLee Kirby Jameson
    • B06B1/02H03K3/023H01L41/09
    • B06B1/0246B06B2201/70
    • An apparatus and method for controlling an ultrasonic transducer preferably including a signal generator circuit, a signal sensing circuit, a modulator circuit, and a bias circuit. The signal generator circuit provides a pulsed drive signal to the ultrasonic transducer. The signal sensing circuit senses the voltage and current of the drive signal. The modulator circuit provides a frequency control signal and an energy control signal to the signal generator circuit corresponding to a detected phase difference between the sensed voltage and the sensed current of the drive signal. The frequency control signal and energy control signal operate to adjust the frequency and energy level, respectively, of the drive signal.Within the transducer, a movable element in contact with a liquid is preferably positioned corresponding to the level of a dc bias signal provided by the bias circuit. By adjusting the level of the dc bias signal, the flow rate of the liquid is adjusted. By applying the drive signal to the transducer, the viscosity of the liquid is adjusted which establishes a second flow rate of the liquid. When the frequency and energy level of the drive signal are changed, a third flow rate of the liquid is established.
    • 一种用于控制超声换能器的装置和方法,优选地包括信号发生器电路,信号感测电路,调制器电路和偏置电路。 信号发生器电路向超声换能器提供脉冲驱动信号。 信号感测电路检测驱动信号的电压和电流。 调制器电路向信号发生器电路提供频率控制信号和能量控制信号,该信号发生器电路对应于检测到的电压和感测到的驱动信号的电流之间的相位差。 频率控制信号和能量控制信号分别用于调节驱动信号的频率和能级。 在换能器内,与液体接触的可移动元件优选地对应于由偏置电路提供的直流偏置信号的电平而定位。 通过调节直流偏置信号的电平,调节液体的流量。 通过将驱动信号应用于换能器,调节液体的粘度,其建立液体的第二流量。 当驱动信号的频率和能量水平改变时,建立液体的第三流量。
    • 7. 发明授权
    • Z-directon liquid transport medium
    • Z-directon液体输送介质
    • US5695487A
    • 1997-12-09
    • US733033
    • 1996-10-16
    • Bernard CohenLee Kirby JamesonRoger Bradshaw Quincy, III
    • Bernard CohenLee Kirby JamesonRoger Bradshaw Quincy, III
    • A61F13/15
    • A61F13/538A61F13/53713
    • A fibrous web having a length, a width and a thickness, with at least about 50 percent of the fibers aligned in a direction generally perpendicular to the length and width of the web. The web defines a plurality of spaced-apart gaps, each having a top and a bottom, and each of the gaps extends from one surface of the web at least about 50 percent through the thickness of the web. The density of a portion of the web defining the bottom of the gap is greater than the density of a portion of the web defining the top of the gap. The portion of the web which defines the top of the gap may be composed substantially of terminal ends of the fibers. In addition, the portion of the web which defines the bottom of the gap may be composed substantially of continuous fibers. The fibrous web may be a meltblown nonwoven web or a neck-stretched, meltblown nonwoven web. The fibrous web may be employed as a component of such absorbent products as diapers; incontinent care products; and feminine care products, such as sanitary napkins and tampons; filter elements; and the like. The web provides improved distribution of liquid in the direction of fiber alignment.
    • 具有长度,宽度和厚度的纤维幅材,其中至少约50%的纤维在大致垂直于幅材长度和宽度的方向上排列。 纸幅限定了多个间隔开的间隙,每个间隙具有顶部和底部,并且每个间隙从幅材的一个表面延伸通过幅材的厚度至少约50%。 限定间隙底部的幅材的一部分的密度大于限定间隙顶部的幅材的一部分的密度。 限定间隙顶部的纤维网部分可以基本上由纤维的末端组成。 此外,限定间隙底部的幅材部分可以基本上由连续纤维组成。 纤维网可以是熔喷非织造纤维网或颈部拉伸的熔喷非织造纤维网。 纤维网可以用作诸如尿布的吸收产品的组分; 失禁护理产品; 和女性护理产品,如卫生巾和卫生棉条; 滤芯; 等等。 纤维网提供了在纤维排列方向上改进的液体分布。
    • 8. 发明授权
    • Ultrasonic unitized fuel injector with ceramic valve body
    • US06543700B2
    • 2003-04-08
    • US09915633
    • 2001-07-26
    • Lee Kirby JamesonBernard CohenLamar Heath Gipson
    • Lee Kirby JamesonBernard CohenLamar Heath Gipson
    • B05B304
    • F02M57/023F02M61/166F02M69/041
    • An ultrasonic fuel injector for injecting a pressurized liquid fuel into the combustion chamber of an internal combustion engine that uses an overhead cam for actuating the injector includes a valve body having an injector needle disposed therein forming a needle valve to meter the flow of fuel through the injector. The valve body is formed of ceramic material that is transparent to magnetic fields changing at ultrasonic frequencies. The injector needle includes a magnetostrictive portion disposed in the region of the valve body that is surrounded by a wire coil wound around the outside surface of the ceramic valve body. The wire coil is connected to a source of electric power that oscillates at ultrasonic frequencies. A sensor is configured to signal when the overhead cam is actuating the injector to inject fuel into the combustion chamber of the engine. The sensor is connected to a control that is connected to the power source and is configured to operate same only when the overhead cam is actuating the injector to inject fuel into the combustion chamber of the engine. When the power source activates the oscillating magnetic field in the coil and applies same to the magnetostrictive portion of the needle, ultrasonic energy is applied to the pressurized liquid. The method involves retrofitting a conventional injector with a needle having a magnetostrictive portion and with a ceramic valve body surrounded by wound wire coils configured and disposed to subject the magnetostrictive portion of the needle to ultrasonically oscillating magnetic fields.