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    • 103. 发明授权
    • Method and apparatus for inoculating crystallization seeds into a liquid
latent heat storage substance
    • 将结晶种子接种到液体潜热储存物质中的方法和装置
    • US4461153A
    • 1984-07-24
    • US322924
    • 1981-11-19
    • Friedrich LindnerKurt Scheunemann
    • Friedrich LindnerKurt Scheunemann
    • C09K5/06F25B21/02
    • C09K5/063F28D20/028Y02E60/145
    • A method and apparatus for inoculating a liquid latent heat storage substance of the type convertible to the solid state on cooling is disclosed. A portion of the substance is caused to crystallize on a cooled active surface, immersed in the substance and preferably vertically arranged, whereupon the active surface is heated to fuse-off the formed crystals to release them into the liquid portion of the storage substance to thus form inoculation seeds on which further crystallization of the storage substance takes place on withdrawal of heat from same. In one described embodiment, a pair of active surfaces is provided by using a Peltier element operating with a DC source having selectively reversible polarity whereby one surface is cooled down while the other is heated and vice versa, depending on the instant polarity of the DC source. In another embodiment, the active surface is alternately heated and cooled by heat carrier medium of a heat pump circulation system drawn from the respective sections of the system in alternating fashion. Due to the formation of crystallization seeds from the heat storage substance, problems normally associated with the use of a foreign inoculation substance are avoided.
    • 公开了一种用于在冷却时将可转换成固体状态的液体潜热储存物质接种的方法和装置。 将物质的一部分在冷却的活性表面上结晶,浸渍在物质中,优选垂直排列,然后加热活性表面以熔化所形成的晶体,将其释放到储存物质的液体部分中 形成接种种子,在其上从其中取出热量进行储存物质的进一步结晶。 在一个所描述的实施例中,通过使用与具有选择性可逆极性的DC源操作的珀耳帖元件来提供一对有源表面,由此一个表面被冷却而另一个被加热,反之亦然,这取决于DC源的瞬时极性 。 在另一个实施例中,通过以交替方式从系统的各个部分抽出的热泵循环系统的热载体介质交替地加热和冷却活性表面。 由于来自储热物质的结晶种子的形成,避免了与使用外来接种物质通常相关的问题。
    • 104. 发明授权
    • Heat storage material
    • 储热材料
    • US4331556A
    • 1982-05-25
    • US866695
    • 1978-01-03
    • Gustaf O. Arrhenius
    • Gustaf O. Arrhenius
    • A61F7/02A61F7/03A61F7/10C09K5/06F28D20/02B01F3/00
    • A61F7/03C09K5/063F28D20/028A61F2007/0292Y02E60/145
    • A liquid melt becomes converted to crystalline form at a particular temperature either spontaneously or when artificially nucleated. The liquid releases heat at crystallization. If the liquid is in a supercooled state when it begins to crystallize, its temperature will rise from the particular temperature at which it is nucleated.Another liquid material is mixed with the liquid to be crystallized. The liquid additive has properties of forming a metastable solid together with the crystallizing material. When the liquid additive exsolves, the crystalline aggregate is weakened and is easily decomposed into fragments of small size. The liquid additive materials may include monohydric alcohols, diols and triols. The liquid additive material may be included in the liquid to be crystallized, in small amounts, amounts to two percent (2%) to five percent (5%) being typical. The amount and relative metastability of the liquid additive material in the solution contributes to control of the size of the crystals which are ultimately produced when the supercooled fluid crystallizes. A small amount of surface active material may also be included to modify the characteristics of the metastable solid solution, the exsolution process, and the texture of the exsolved crystal aggregate.
    • 液体熔体在特定温度下自发地或人工成核时转化为结晶形式。 液体在结晶时释放热量。 如果液体在开始结晶时处于过冷状态,其温度将从其成核的特定温度上升。 另一种液体材料与待结晶的液体混合。 液体添加剂具有与结晶材料一起形成亚稳固体的性质。 当液体添加剂溶出时,结晶聚集体变弱,容易分解成小尺寸的碎片。 液体添加剂材料可以包括一元醇,二醇和三醇。 液体添加剂材料可以包含在待结晶的液体中,其量少,为典型的2%(2%)至5%(5%)。 溶液中液体添加剂材料的量和相对亚稳态有助于控制当过冷流体结晶时最终产生的晶体的尺寸。 还可以包括少量的表面活性物质,以改变亚稳固溶体的特性,溶出过程以及过量的晶体聚集体的质地。