-
公开(公告)号：US20220135419A1
公开(公告)日：2022-05-05
申请号：US17573218
申请日：2022-01-11
IPC分类号： C01F17/294 , C04B35/50 , C09K5/14 , F25B9/14
摘要： A cold storage material having a large thermal capacity in a ultra-low temperature range of 10 K or less and being highly durable against thermal shock and mechanical vibration. The cold storage material contains a rare earth oxysulfide ceramic represented by the general formula R2O2S in which R is one or more kinds of rare earth elements selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y, and Al2O3 having a specific surface area of 0.3 m2/g to 11 m2/g is added to the cold storage material.
-
公开(公告)号：US12129413B2
公开(公告)日：2024-10-29
申请号：US15810959
申请日：2017-11-13
发明人： Carsten Lau , William Ross Rapoport
IPC分类号： C09K11/02 , C01F17/294 , C01F17/30 , C01G15/00 , C09K11/77 , G01N21/62 , G07D7/1205
CPC分类号： C09K11/025 , C01F17/294 , C01F17/30 , C09K11/7771 , G01N21/62 , G07D7/1205 , C01G15/006 , C04B2235/764
摘要： Luminescent taggant compositions, luminescent materials that include luminescent taggants, and articles including luminescent taggants are provided herein. In an embodiment, a luminescent taggant composition includes a first luminescent taggant, a second luminescent taggant, and a third luminescent taggant. The first luminescent taggant includes a first emitting ion that produces a first emission in a first taggant emission band when exposed to excitation energy. The second luminescent taggant includes a second emitting ion that is different from the first emitting ion and that produces a second emission in a second taggant emission band that is different from the first taggant emission band when exposed to excitation energy. The first luminescent taggant is substantially free of the second emitting ion and the second luminescent taggant is substantially free of the first emitting ion. The third luminescent taggant includes the first emitting ion and the second emitting ion.
-
公开(公告)号：US20230303904A1
公开(公告)日：2023-09-28
申请号：US18323288
申请日：2023-05-24
CPC分类号： C09K5/14 , C01F17/294 , G01R33/3804 , F25B9/145 , H01F6/04 , F17C6/00 , C01P2002/52 , C01P2006/32 , C01P2004/61 , C01P2004/54 , C01P2004/50 , F25B2309/1412 , F17C2225/013 , F17C2221/017 , F17C2223/0123
摘要： A cold storage material of an embodiment includes a rare earth oxysulfide containing at least one rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and a first group element of 0.001 atom % or more and 10 atom % or less, in which a maximum value of volume specific heat in a temperature range of 2 K or more and 10 K or less is 0.5 J/(cm3·K) or more.
-
公开(公告)号：US11136244B2
公开(公告)日：2021-10-05
申请号：US16182908
申请日：2018-11-07
发明人： Katsuhiko Yamada , Keiichi Fuse
IPC分类号： C01F17/00 , C01F17/294 , C09K5/14 , F04B37/08 , F25B9/00 , C01F17/34 , C01F17/206 , F25B29/00 , F25D29/00 , H01F6/00
摘要： The present invention provides a rare earth cold accumulating material particle comprising a rare earth oxide or a rare earth oxysulfide, wherein the rare earth cold accumulating material particle is composed of a sintered body; an average crystal grain size of the sintered body is 0.5 to 5 μm; a porosity of the sintered body is 10 to 50 vol. %; and an average pore size of the sintered body is 0.3 to 3 μm. Further, it is preferable that the porosity of the rare earth cold accumulating material particle is 20 to 45 vol. %, and a maximum pore size of the rare earth cold accumulating material particle is 4 μm or less. Due to this structure, there can be provided a rare earth cold accumulating material having a high refrigerating capacity and a high strength.
-
公开(公告)号：US20210284548A1
公开(公告)日：2021-09-16
申请号：US17303276
申请日：2021-05-26
发明人： Katsuhiko YAMADA , Keiichi FUSE
IPC分类号： C01F17/294 , C09K5/14 , F04B37/08 , F25B9/00 , C01F17/34 , C01F17/206 , F25B29/00 , F25D29/00 , H01F6/00
摘要： The present invention provides a rare earth cold accumulating material particle comprising a rare earth oxide or a rare earth oxysulfide, wherein the rare earth cold accumulating material particle is composed of a sintered body; an average crystal grain size of the sintered body is 0.5 to 5 μm; a porosity of the sintered body is 10 to 50 vol. %; and an average pore size of the sintered body is 0.3 to 3 μm. Further, it is preferable that the porosity of the rare earth cold accumulating material particle is 20 to 45 vol. %, and a maximum pore size of the rare earth cold accumulating material particle is 4 μm or less. Due to this structure, there can be provided a rare earth cold accumulating material having a high refrigerating capacity and a high strength.
-
公开(公告)号：US11649171B2
公开(公告)日：2023-05-16
申请号：US17303276
申请日：2021-05-26
发明人： Katsuhiko Yamada , Keiichi Fuse
IPC分类号： C01F17/00 , C01F17/294 , C09K5/14 , F04B37/08 , F25B9/00 , C01F17/34 , C01F17/206 , F25B29/00 , F25D29/00 , H01F6/00
CPC分类号： C01F17/294 , C01F17/206 , C01F17/34 , C09K5/14 , F04B37/08 , F25B9/00 , F25B29/00 , F25D29/001 , H01F6/003
摘要： A refrigerator is provided, including rare earth cold accumulating material particles filled in a cold accumulating vessel. The rare earth cold accumulating material particles are a rare earth oxide or a rare earth oxysulfide. The rare earth cold accumulating material particles define a sintered body. An average crystal grain size of the sintered body is 0.5 to 5 μm, a porosity of the sintered body is 10 to 50 vol. %, and an average pore size of the sintered body is 0.3 to 3 μm. In an arbitrary cross-section of the rare earth cold accumulating material particles, a number of pores per a unit area of 10 μm×10 μm is 20 to 70.
-
公开(公告)号：US11059725B2
公开(公告)日：2021-07-13
申请号：US16182893
申请日：2018-11-07
发明人： Katsuhiko Yamada , Keiichi Fuse
IPC分类号： C01F17/00 , C01F17/294 , C09K5/14 , F04B37/08 , F25B9/00 , C01F17/34 , C01F17/206 , F25B29/00 , F25D29/00 , H01F6/00
摘要： The present invention provides a rare earth cold accumulating material particle comprising a rare earth oxide or a rare earth oxysulfide, wherein the rare earth cold accumulating material particle is composed of a sintered body; an average crystal grain size of the sintered body is 0.5 to 5 μm; a porosity of the sintered body is 10 to 50 vol. %; and an average pore size of the sintered body is 0.3 to 3 μm. Further, it is preferable that the porosity of the rare earth cold accumulating material particle is 20 to 45 vol. %, and a maximum pore size of the rare earth cold accumulating material particle is 4 m or less. Due to this structure, there can be provided a rare earth cold accumulating material having a high refrigerating capacity and a high strength.
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.01 秒)
