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    • 37. 发明授权
    • Hot gas bypass defrosting system
    • 热气旁路除霜系统
    • US5065584A
    • 1991-11-19
    • US559484
    • 1990-07-30
    • Dean G. ByczynskiWilliam A. Reed
    • Dean G. ByczynskiWilliam A. Reed
    • F25B47/02F25D21/00
    • F25D21/008F25B47/022
    • A refrigeration system including a compressor, condenser, capillary tube and evaporator includes a hot gas bypass defrosting capability provided by a bypass means around the capillary tube. Defrosting is achieved by the use of hot, uncondensed refrigerant, without requiring a reversal of the flow of refrigerant through the system. An exemplary bypass means includes a solenoid valve and associated tubing to form an alternate, low restriction path for the refrigerant to bypass the capillary tube. When the solenoid valve is closed, refrigerant is forced through the capillary tube for normal refrigeration. However, when the solenoid valve is open, condensation of refrigerant in the condenser is inhibited, and hot refrigerant gas is delivered directly to the evaporator for defrosting. The solenoid valve is controlled in response to the total accumulated running time of the compressor for improved control of the defrosting cycles.
    • 包括压缩机,冷凝器,毛细管和蒸发器的制冷系统包括由毛细管周围的旁路装置提供的热气旁路除霜能力。 除霜是通过使用热的未冷凝的制冷剂来实现的,而不需要通过系统逆转制冷剂的流动。 示例性的旁路装置包括电磁阀和相关联的管道,以形成用于制冷剂绕过毛细管的交替的低限制路径。 当电磁阀关闭时,制冷剂被迫通过毛细管进行正常制冷。 然而,当电磁阀打开时,制冷剂在冷凝器中的冷凝被抑制,并且热的制冷剂气体被直接输送到蒸发器以进行除霜。 响应于压缩机的总累计运行时间控制电磁阀,以改善除霜循环的控制。
    • 38. 发明授权
    • Method and apparatus for combustion of diverse materials and heat
utilization
    • 不同材料和热利用的燃烧方法和装置
    • US4583468A
    • 1986-04-22
    • US518219
    • 1983-07-28
    • Leland M. ReedWilliam A. ReedWalter C. Saeman
    • Leland M. ReedWilliam A. ReedWalter C. Saeman
    • F23B30/04C10G1/02F23B99/00F23G5/46F23C1/00
    • F23G5/46C10G1/02F23G2209/12F23G2209/24G01N2291/2693
    • A method and apparatus is disclosed for combustion of diverse materials, particularly combustible solids, liquids or gases, such as sewage sludge, refuse, coal, refinery sludge, tar sands, coal shale, coal tailings and spent foundry sand. A rotary combustion apparatus is employed which consists of a cylindrical drum, or other similar regularly shaped chamber, with a substantially horizontal axis of rotation including an ignition zone, a principal combustion zone, a falling temperature zone and a spent solids removal zone. The apparatus further includes solids transport chutes for forward and backward circulation of solids, arranged for the transfer of solids to or from one or more points. Feedstock may also be heated by recycled hot solids. The method and apparatus employs direct solids-to-gas contact established by lifting and cascading combustible solids through a hot gas stream.
    • 公开了一种用于不同材料,特别是可燃固体,液体或气体如污泥,垃圾,煤,炼油污泥,焦油砂,煤页岩,尾矿和废弃铸造砂的燃烧的方法和装置。 采用旋转燃烧装置,该旋转燃烧装置由圆柱形滚筒或其它类似的规则形状的腔室组成,具有基本上水平的旋转轴线,包括点火区域,主要燃烧区域,降落温度区域和废固体去除区域。 该装置还包括用于固体的向前和向后循环的固体输送滑槽,其被布置用于将固体转移到一个或多个点。 原料还可以通过再循环的热固体加热。 该方法和装置采用直接固体 - 气体接触,通过将可燃固体通过热气流提升和级联而建立。