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    • 5. 发明申请
    • ACOUSTIC CRYSTAL SONOLUMINESCENT CAVITATION DEVICES AND IR/THZ SOURCES
    • 声学晶体光声器件和IR / THZ源
    • US20110001063A1
    • 2011-01-06
    • US12497367
    • 2009-07-02
    • Delmar L. BarkerWilliam R. Owens
    • Delmar L. BarkerWilliam R. Owens
    • G21G4/00
    • G21B3/00Y02E30/18
    • An acoustic crystal structure includes defect cavities that concentrate the driving pressure from applied sound waves into the cavities to cavitate gas bubbles in a liquid to produce sonoluminescence. This device may be used to study sonoluminescence or cavitation or to perform sonochemistry, nuclear fusion etc. in the cavities. A waveguide may be operatively coupled to the acoustic crystal to extract, collect and route a band of electromagnetic (EM) radiation around a specified source wavelength to an output port for emission by an antenna to provide an EM source. The waveguide may, for example, be a photonic crystal defect waveguide, a photonic crystal optical fiber or Sommerfeld waveguide. The marriage of the sonoluminescence phenomena with an acoustic crystal and embedded waveguide provides for an efficient source of narrow or broad band IR or THz radiation
    • 声学晶体结构包括将来自施加的声波的驱动压力集中到空腔中以使液体中的气泡气蚀以产生声发光的缺陷腔。 该装置可用于研究发光或空化或在空腔中进行声化学,核聚变等。 波导可以可操作地耦合到声晶体以提取,收集和布置围绕特定源波长的电磁(EM)辐射带到达输出端口,以通过天线发射以提供EM源。 波导可以例如是光子晶体缺陷波导,光子晶体光纤或Sommerfeld波导。 声发光现象与声学晶体和嵌入式波导的结合提供了一种有效的窄带或宽带IR或THz辐射源
    • 6. 发明申请
    • HEAT TRANSFER DEVICES BASED ON THERMODYNAMIC CYCLING OF A PHOTONIC CRYSTAL WITH COUPLED RESONANT DEFECT CAVITIES
    • 基于具有耦合共振缺陷的光子晶体的热力循环的热传递装置
    • US20100139289A1
    • 2010-06-10
    • US12328962
    • 2008-12-05
    • DELMAR L. BARKERWilliam R. Owens
    • DELMAR L. BARKERWilliam R. Owens
    • F25B21/02
    • F25B21/00G02F1/0147G02F2202/32Y02B30/66
    • A heat transfer device exploits the properties of photonic crystal solids with resonant defect cavities to execute a thermodynamic cycle to accomplish the conversion between heat flow and useful energy in the form of a heat engine or heat pump. The device comprises a photonic crystal having at least one and preferably several resonant defect cavities that radiate electromagnetic energy in an emission band. In a heat pump or refrigerator configuration, work means perform work on the photonic crystal to cycle the photonic crystal between a first state to permit the crystal to collect thermal energy from a cold region to heat the crystal and a second state to permit the photonic crystal to radiate electromagnetic energy to a hot region to cool the photonic crystal. The efficient collection of heat energy and radiation of electromagnetic energy in the cycle is accomplished by cycling the heat transfer into the photonic crystal and/or the crystal's emission band. In a heat engine configuration, the emission band is positioned so that the photonic crystal cycles between a first state to permit the crystal to collect thermal energy from the hot region to heat the crystal and a second state to permit the photonic crystal to radiate electromagnetic energy to the cold region to cool the crystal. This cycling transfers heat from the hot region to the cold region. The work means extracts mechanical work from this heat transfer either through the cyclic expansion and contraction, heating or radiation of the crystal.
    • 传热装置利用具有谐振缺陷腔的光子晶体固体的特性来执行热力学循环,以实现热流和热发动机或热泵形式的有用能量之间的转换。 该装置包括具有辐射发射带中的电磁能的至少一个且优选几个谐振缺陷腔的光子晶体。 在热泵或冰箱结构中,工作装置对光子晶体进行工作以在第一状态之间循环光子晶体,以允许晶体从冷区域收集热能以加热晶体,并且第二状态允许光子晶体 将电磁能辐射到热区以冷却光子晶体。 循环中热能的有效收集和电磁能的辐射是通过将热传递循环到光子晶体和/或晶体的发射带来实现的。 在热引擎配置中,发射带被定位成使得光子晶体在允许晶体从热区域收集热能以加热晶体的第一状态和第二状态之间循环,以允许光子晶体辐射电磁能量 到寒冷的地方冷却水晶。 这种循环将热量从热区转移到寒冷地区。 该工作意味着通过循环膨胀和收缩,晶体的加热或辐射从该传热中提取机械功。
    • 8. 发明申请
    • REINFORCED FILAMENT WITH DOUBLY-EMBEDDED NANOTUBES AND METHOD OF MANUFACTURE
    • 具有双嵌段纳米管的增强型薄膜及其制造方法
    • US20090286079A1
    • 2009-11-19
    • US12121985
    • 2008-05-16
    • Delmar L. BarkerMead M. JordanW. Howard Poisl
    • Delmar L. BarkerMead M. JordanW. Howard Poisl
    • C08K3/04B32B1/00
    • B82Y30/00D01F1/10D01F9/20Y10T428/2918
    • Strengthened filaments and fibers are realized by mixing and dissolving monomer and catalyst in a solvent into open-ended nanotubes to form a polymer precursor prior to polymerization in which the open nanotubes are filled with monomer and catalyst. The remaining steps for forming a stabilized filament may follow the conventional sequence. The result is that the nanotubes are “doubly-embedded” in the polymer matrix (bonds to the polymer inside and extending through the nanotube and bonds to other polymer chains outside the nanotube) in the filament. These additional bonds provide additional mechanical strength. The number of bonds may be further enhanced by pretreating the nanotubes to create defects in the nanotubes to form sites along the inner and outer walls for additional polymer-to-nanotube bonds. The aligned filaments may be radiated to create additional polymer-to-nanotube bonds such as between the polymer chain inside the nanotube and the inner walls of the nanotube and to create nanotube-to-nanotube bonds. In the case of carbon fiber, the carbonized filament may be radiated to create additional carbon-carbon bonds prior to twisting the filaments into the fiber.
    • 通过将单体和催化剂在溶剂中混合并溶解到开放式纳米管中以在聚合之前形成聚合物前体,其中开放纳米管填充有单体和催化剂来实现加强的长丝和纤维。 用于形成稳定的丝的其余步骤可以遵循常规顺序。 结果是纳米管被“双嵌入”在聚合物基质中(与内部聚合物结合并延伸穿过纳米管并与纳米管外部的其它聚合物链结合)。 这些附加键提供额外的机械强度。 可以通过预处理纳米管以在纳米管中产生缺陷以形成沿着内壁和外壁的位点用于另外的聚合物 - 纳米管键来进一步增强键的数量。 可以辐射对准的长丝以产生另外的聚合物 - 纳米管结合,例如在纳米管内的聚合物链和纳米管的内壁之间,并产生纳米管与纳米管的键。 在碳纤维的情况下,碳化细丝可以在将细丝扭曲成纤维之前被辐射以产生额外的碳 - 碳键。