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    • 53. 发明公开
    • Cooler
    • Kühler
    • EP2515060A2
    • 2012-10-24
    • EP12164629.3
    • 2012-04-18
    • IMI Cornelius (UK) Limited
    • Wiemer, KlausAltenbach, Heinz
    • F25D31/00
    • F25D31/003F25D29/00
    • A cooler (1) is switchable between a first mode of operation in which a refrigeration circuit is controlled in response to thickness of an ice bank formed on an evaporator (9) of the refrigeration circuit so that complete erosion of the ice bank (13) can be prevented, and a second mode of operation in which the refrigeration circuit is controlled in response to temperature of the coolant (5) so that complete erosion of the ice bank (13) may occur. A compressor of the refrigeration circuit may be controlled in the first mode of operation to maintain a thickness of the ice bank (13) between upper and lower limits and in the second mode of operation to maintain the temperature of coolant (5) between upper and lower limits when the ice bank (13) has been completely eroded.
    • 冷却器(1)可以在第一操作模式之间切换,在第一操作模式中,响应于形成在制冷回路的蒸发器(9)上的冰块的厚度来控制制冷回路,从而使冰块(13)完全侵蚀, 以及第二操作模式,其中响应于冷却剂(5)的温度来控制制冷回路,从而可能发生冰块(13)的完全侵蚀。 制冷回路的压缩机可以在第一操作模式中被控制,以将冰块(13)的厚度保持在上限和下限之间,并且在第二操作模式中以将冷却剂(5)的温度保持在上部和 当冰库(13)已被完全侵蚀时的下限。
    • 54. 发明公开
    • TOOL POSITIONING AND LATCHING SYSTEM
    • 工具定位和锁定系统
    • EP2504516A1
    • 2012-10-03
    • EP10833682.7
    • 2010-11-03
    • Robertson Intellectual Properties, LLC
    • ROBERTSON, Michael, C.BOELTE, William, F.STREIBICH, Douglas, J.
    • E21B7/06
    • E21B23/02
    • A system and method for positioning a tool within a wellbore are described herein. The interior surface of a tubular string is provided with one or more pluralities of grooves, each defining a selected profile. A tool is lowered into the tubular string, having a blade in communication therewith. The blade includes a plurality of protruding members thereon, which define a profile complementary to at least one of the selected profiles formed by one of the pluralities of grooves. A biasing member in communication with the blade continually biases the blade toward the interior surface of the tubular string to cause the profile of the blade to engage within the corresponding complementary profile of the tubular string. Positioning a tool in this manner is especially advantageous for locating a cutting tool at a precise location to sever a tubular segment at a joint, releasing tensile forces from the joint.
    • 本文描述了用于将工具定位在井筒内的系统和方法。 管柱的内表面设置有一个或多个凹槽,每个凹槽限定选定的轮廓。 将工具放入管柱中,使刀片与其连通。 所述刀片上包括多个突出构件,所述突出构件限定与由所述多个槽中的一个槽形成的至少一个选定轮廓互补的轮廓。 与叶片连通的偏置构件连续地朝向管柱的内表面偏置叶片,以使叶片的轮廓接合在管柱的对应互补轮廓内。 以这种方式定位刀具对于将切削刀具定位在精确位置处以在接头处切断管状段是特别有利的,从接头释放拉力。
    • 56. 发明公开
    • Bio-resins
    • 生物学
    • EP2500378A1
    • 2012-09-19
    • EP12159534.2
    • 2012-03-14
    • Biome Bioplastics Limited
    • Law, Paul WilliamLongdon, TonySillence, KevinWetters, David JohnPerez, Daniel Arnillas
    • C08L1/12
    • C08L1/12C08L2666/18C08L2666/26C08L67/02
    • A bio-resin composition contains cellulose acetate and a biodegradable secondary polymer in a ratio of at least 10:1 by weight of the total weight of the composition wherein the secondary polymer is an aliphatic polyester such as polybutylene succinate or an aliphatic co-polyester such as polybutylene succinate adipate or an aliphatic/aromatic polyester such as polybutylene adipate terephthalate. The secondary polymer may be present in an amount up to 10% by weight, more preferably up to 6% by weight and more preferably still in the range 2% to 3% by weight of the total weight of the composition where the combined amount of secondary polymer and cellulose acetate may be up to 85% of the total weight of the composition.
    • 生物树脂组合物含有乙酸纤维素和可生物降解的二级聚合物,其比例为组合物总重量的至少10:1重量比,其中二级聚合物是脂肪族聚酯,如聚丁二酸丁二醇酯或脂族共聚酯,如 作为聚琥珀酸己二酸丁二醇酯或脂肪族/芳香族聚酯,例如聚己二酸丁二醇酯。 次级聚合物可以以组合物总重量的10重量%,更优选至多6重量%,更优选地以组合物总重量的2重量%至3重量%的量存在, 次级聚合物和乙酸纤维素可以高达组合物总重量的85%。