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公开(公告)号：US09335242B2
公开(公告)日：2016-05-10
申请号：US14066733
申请日：2013-10-30
发明人： Larry Angelo Spino , Daniel Alfred Airey , David Anthony Malaguti , Herve Philippe Cleris , Viachaslau Urvantsau
CPC分类号： G01N11/14 , G01N11/16 , G01N2011/002
摘要： An apparatus and method is shown for determining the pumpability limit, freeze point and/or pour point of liquids, particularly fuels, at sub-ambient temperatures. A sample is placed in a viscometer which viscometer is rapidly cooled by a chiller. During cooling, after some measurements of temperature and viscosity, further temperatures and viscosity are approximated using the least squares method, which temperature and viscosity are subsequently measured to determine the pumpability limit. Continuation of the method will also give the freeze point and pour point of the sample being tested.
摘要翻译： 示出了用于在低于环境温度下确定液体，特别是燃料的可泵送极限，凝固点和/或倾点的装置和方法。 将样品放在粘度计中，粘度计由冷却器快速冷却。 在冷却过程中，经过一些温度和粘度的测量，使用最小二乘法近似进一步测量温度和粘度，随后测量该温度和粘度以确定泵送性极限。 该方法的延续还将给出待测试样品的凝固点和倾点。
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公开(公告)号：US20140250983A1
公开(公告)日：2014-09-11
申请号：US14066733
申请日：2013-10-30
发明人： Larry Angelo Spino , Daniel Alfred Airey , David Anthony Malaguti , Herve Philippe Cleris , Viachaslau Urvantsau
IPC分类号： G01N11/10
CPC分类号： G01N11/14 , G01N11/16 , G01N2011/002
摘要： An apparatus and method is shown for determining the pumpability limit, freeze point and/or pour point of liquids, particularly fuels, at sub-ambient temperatures. A sample is placed in a viscometer which viscometer is rapidly cooled by a chiller. During cooling, after some measurements of temperature and viscosity, further temperatures and viscosity are approximated using the least squares method, which temperature and viscosity are subsequently measured to determine the pumpability limit. Continuation of the method will also give the freeze point and pour point of the sample being tested.
摘要翻译： 示出了用于在低于环境温度下确定液体，特别是燃料的可泵送极限，凝固点和/或倾点的装置和方法。 将样品放在粘度计中，粘度计由冷却器快速冷却。 在冷却过程中，经过一些温度和粘度的测量，使用最小二乘法近似进一步测量温度和粘度，随后测量该温度和粘度以确定泵送性极限。 该方法的延续还将给出待测试样品的凝固点和倾点。
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