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1. 发明申请

US20170260099A1 PORCELAIN COMPOSITION WITH NANOSIZED CERAMIC OXIDES 有权
公开(公告)号：US20170260099A1
公开(公告)日：2017-09-14
申请号：US15311640
申请日：2015-12-01
申请人： PROLEC, S.A. DE C.V.
发明人： José Eulalio Contreras De Leon , Edén Amaral Rodriguez Castellanos
IPC分类号： C04B35/14 , H01B3/12 , C04B35/64
CPC分类号： C04B35/14 , B82Y30/00 , C04B33/04 , C04B33/26 , C04B35/64 , C04B2235/3217 , C04B2235/3244 , C04B2235/3418 , C04B2235/3472 , C04B2235/349 , C04B2235/5454 , C04B2235/602 , C04B2235/6021 , C04B2235/656 , C04B2235/77 , C04B2235/96 , C04B2235/9615 , H01B3/12
摘要： The present invention is related to the development of a new formulation of electrical grade porcelain having improved mechanical and dielectric characteristics, and whose primary application is in electrical components, such as electric insulators.This invention has as its main object to provide a new alternative to increase the final properties of an electrical grade porcelain, which is related to the incorporation of suitable concentrations of nanosized ceramic oxides, as part of the initial composition of porcelain paste.This new nanotechnology alternative favors an increase in the final properties of electrical grade porcelain, such as flexural strength or cold rupture modulus, as well as dielectric strength, which is due to the incorporation of ceramic oxides such as alumina (α-Al2O3) and zirconia (ZrO2), in micrometer scale (i.e., less than 100 nanometers), favorably modify the microstructure of the base porcelain.Mechanical strength, specifically the flexural strength at three points, of the porcelain compositions of the present invention is up to 38% greater than a silica based conventional porcelain composition. Furthermore, the insulating ability of the composition of this invention is up to 30% above the value of the reference siliceous porcelain.Another important aspect of this invention is based on the concept that the ceramic nano-oxides of (α-Al2O3) and zirconia (ZrO2) strengthen the microstructure of siliceous porcelain, since the amount of crystalline phase increases and therefore the amorphous phase is reduced. Furthermore, the ceramic nano-oxides favor the increase in the concentration of the crystalline mullite phase (3Al2O3.2Si02) in the microstructure, which is known to benefit the mechanical performance of triaxial porcelains.

2. 外观设计

USD1048875S1 Wildlife guard for discharge brackets 有权
公开(公告)号：USD1048875S1
公开(公告)日：2024-10-29
申请号：US29864690
申请日：2022-06-13
申请人： PROLEC S.A. DE C.V.
设计人： Rogelio Garza Sustaita , Yazmín Irasema Ávila Vega , Daniel Posadas Sánchez , Daniel De Jesús Chavarría Marroquín , José Alejandro Garza Caballero , Erwin Lisardo Sánchez Perales , Oscar Bermúdez Trejo
摘要： FIG. 1 is a perspective view;
FIG. 2 is a front view;
FIG. 3 is a rear view;
FIG. 4 is a right side view;
FIG. 5 is a left side view;
FIG. 6 is a bottom view; and,
FIG. 7 is a top view.
The broken lines depict portions of the wildlife guard for discharge brackets that form no part of the claimed design.

3. 外观设计

USD1026821S1 Drip tray for power transformer fuse holder 有权
公开(公告)号：USD1026821S1
公开(公告)日：2024-05-14
申请号：US29795492
申请日：2021-06-18
申请人： PROLEC S.A. DE C.V.
设计人： Yazmín Irasema Avila Vega , Rogelio Garza Sustaita , Daniel Posadas Sanchez
摘要： FIG. 1 is a front view of an drip tray for power transformer fuse holder;
FIG. 2 is a rear view of the drip tray for power transformer fuse holder;
FIG. 3 is a left side view of the drip tray for power transformer fuse holder;
FIG. 4 is a right side view of the drip tray for power transformer fuse holder;
FIG. 5 is a top view of the drip tray for power transformer fuse holder;
FIG. 6 is a bottom view of the drip tray for power transformer fuse holder; and,
FIG. 7 is a perspective view of the drip tray for power transformer fuse holder.

4. 发明授权

US10011533B2 Porcelain composition with nanosized ceramic oxides 有权
公开(公告)号：US10011533B2
公开(公告)日：2018-07-03
申请号：US15311640
申请日：2015-12-01
申请人： PROLEC, S.A. DE C.V.
发明人： José Eulalio Contreras De Leon , Edén Amaral Rodriguez Castellanos
IPC分类号： C04B35/14 , C04B35/64 , H01B3/12
摘要： The present invention is related to the development of a new formulation of electrical grade porcelain having improved mechanical and dielectric characteristics, and whose primary application is in electrical components, such as electric insulators. This invention has as its main object to provide a new alternative to increase the final properties of an electrical grade porcelain, which is related to the incorporation of suitable concentrations of nanosized ceramic oxides, as part of the initial composition of porcelain paste. This new nanotechnology alternative favors an increase in the final properties of electrical grade porcelain, such as flexural strength or cold rupture modulus, as well as dielectric strength, which is due to the incorporation of ceramic oxides such as alumina (α-Al2O3) and zirconia (ZrO2), in micrometer scale (i.e., less than 100 nanometers), favorably modify the microstructure of the base porcelain. Mechanical strength, specifically the flexural strength at three points, of the porcelain compositions of the present invention is up to 38% greater than a silica based conventional porcelain composition. Furthermore, the insulating ability of the composition of this invention is up to 30% above the value of the reference siliceous porcelain. Another important aspect of this invention is based on the concept that the ceramic nano-oxides of (α-Al2O3) and zirconia (ZrO2) strengthen the microstructure of siliceous porcelain, since the amount of crystalline phase increases and therefore the amorphous phase is reduced. Furthermore, the ceramic nano-oxides favor the increase in the concentration of the crystalline mullite phase (3Al2O3.2SiO2) in the microstructure, which is known to benefit the mechanical performance of triaxial porcelains.

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