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公开(公告)号:US20220299706A1
公开(公告)日:2022-09-22
申请号:US17202729
申请日:2021-03-16
Inventor: Yusheng Bian , Michal Rakowski , Roderick A. Augur , Marios Papadovasilakis , Sujith Chandran , Jaime Viegas , Yonas Gebregiorgis
Abstract: Structures for a wavelength-division multiplexing filter and methods of forming a structure for a wavelength-division multiplexing filter. A waveguide core of the wavelength-division multiplexing filter includes a first bend having a first curvature and a second bend having a second curvature different than the first curvature. The structure further includes a waveguide core region having a first end surface, a second end surface, and a bend arranged between the first and second end surfaces. The bend is positioned over the first bend of the waveguide core in an overlapping relationship.
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公开(公告)号:US20220227629A1
公开(公告)日:2022-07-21
申请号:US17287967
申请日:2020-01-15
Applicant: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Inventor: Daniel CHOI , Amarsingh Bhabu KANAGARAJ , Prena CHATURVEDI , Maryam Sultan AL NAHYAN , Hamda AL SHIBLI
IPC: C01B25/45 , H01M4/62 , H01M4/04 , H01M4/485 , H01M10/0525 , H01M4/131 , H01M4/133 , H01M4/583 , H01M4/36
Abstract: The present invention discloses a hydrothermal process of preparing lithium iron phosphate (LiFePCO4) nanoparticles. It further discloses a composite electrode comprising lithium iron phosphate, multiwalled carbon nanotubes (MWCNTs) and polyvinylidene fluoride as well as a method of manufacturing this composite electrode. It also discloses a free-standing composite electrode comprising spinel-Li4Ti5O12, multiwalled carbon nanotubes and carboxymethyl cellulose as well as a method of manufacturing this free-standing composite electrode.
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公开(公告)号:US20220184559A1
公开(公告)日:2022-06-16
申请号:US17600055
申请日:2020-03-24
Applicant: Khalifa University of Science and Technology
Inventor: Shashikant P. PATOLE , Issam QATTAN
Abstract: Methods herein disclosed include methods of producing a nanoporous membrane by coating a planar substrate (204) with a solution (solution tank 201) containing a reactive metal adatom. The coated planar substrate can then be perforated by initiating a redox reaction between the reactive metal adatom and the planar substrate that causes the reactive metal adatom to remove material, forming nanoscale pores in the planar substrate that result in a nanoporous planar material. This nanoporous planar material can be formed into a nanoporous membrane.
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公开(公告)号:US20220154088A1
公开(公告)日:2022-05-19
申请号:US17521924
申请日:2021-11-09
Applicant: Khalifa University of Science and Technology
Inventor: Dimitrios KYRITSIS , Dimitrios GOUSSIS
Abstract: Described are methods for shortening the combustion delay of ammonia fuels and reducing the amount of NO formed during the combustion process. The methods include mixing ammonia with hydrogen peroxide and water to form a fuel mixture and then combusting the fuel mixture. Methods of powering an internal combustion engine with ammonia fuels are also described.
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公开(公告)号:US11256030B1
公开(公告)日:2022-02-22
申请号:US17063103
申请日:2020-10-05
Inventor: Sujith Chandran , Yusheng Bian , Jaime Viegas , Ajey Poovannummoottil Jacob
Abstract: Structures for an optical power splitter and methods of forming a structure for an optical power splitter. A first waveguide core provides an input port, and second and third waveguide cores provide respective output ports. A non-linear waveguide taper is coupled to the first waveguide core at a first interface and is coupled to the second and third waveguide cores at a second interface. The non-linear waveguide taper includes a first curved section having a first width dimension that increases with increasing longitudinal distance from the first interface. The non-linear waveguide taper includes a second curved section having a second width dimension that increases with increasing longitudinal distance from the second interface. The first and second curved sections join at a longitudinal location at which the first and second width dimensions are each equal to a maximum width of the non-linear waveguide taper.
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公开(公告)号:US11224380B2
公开(公告)日:2022-01-18
申请号:US16470093
申请日:2017-12-20
Applicant: Khalifa University of Science and Technology
Inventor: Saeed Alnofeli , David Khayati
Abstract: Systems and methods for monitoring an animal include receiving a plurality of biological parameters of the animal from a plurality of biological sensors, receiving location parameters of the animal from at least one location sensor, receiving weather parameters corresponding to ambient weather conditions proximate the animal from at least one ambient weather sensor, and comparing at least one of the parameters generated by the sensors with data representing at least one signature corresponding to the animal to determine if there is an irregular parameter. In response to an irregular reading/parameter being identified, then determining if the identified irregular parameter is related to a health condition of the animal and if the identified irregular parameter is not related to the health condition of the animal, then determining if the identified irregular parameter is related to an illegal activity.
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公开(公告)号:US20210389063A1
公开(公告)日:2021-12-16
申请号:US17428237
申请日:2020-02-04
Applicant: Khalifa University of Science and Technology
Inventor: Ali Rashed AL ALILI , Mohamed Saeed ALSHEHHI , Wang CHAOFAN
Abstract: There is provided a system and method for collecting water droplets from an airflow of a cooling tower (8) through condensation of water vapour using an electrostatic separator (20), wherein the electrostatic separator is a single unit electrostatic separator (20) or a multi-unit electrostatic separator. The method for water particles collection from the exhaust airflow of a cooling tower primarily comprises condensing water vapour into large water droplets. It is experimentally proved that electrostatic separation solves the problem of visible plume pollution, and blow down decreased since collected water flows back to the circulating water. Additionally, electrostatic separation results in small pressure drop of the cooling tower (8).
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公开(公告)号:US20210339223A1
公开(公告)日:2021-11-04
申请号:US17271563
申请日:2018-08-27
Inventor: Fawzi BANAT , Priyabrata PAL , Anjali Achazhiyath EDATHIL
Abstract: Various hydrogels are described which are useful for the regeneration of methyldiethanolamine which is used to scrub H2S/CO2. Methods of regenerating methyldiethanolamine using such hydrogels are also described.
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公开(公告)号:US11125635B2
公开(公告)日:2021-09-21
申请号:US16023335
申请日:2018-06-29
Applicant: Khalifa University of Science and Technology
Inventor: Shahzad Muzaffar , Ibrahim Elfadel
Abstract: A method includes the steps of providing a number of force consolidators between an object and a surface, providing a number of force sensors, each in a different one of the force consolidators, measuring an output of the force sensors, and processing the output of the force sensors to determine a total force exerted between the object and the surface. The force consolidators are each configured to reduce a portion of a surface area of the object into a consolidated surface area such that forces exerted on the portion of the surface area are concentrated in the consolidated surface area. By using the force consolidators along with the force sensors, the total force exerted by the object on the surface may be easily measured using off-the-shelf force sensor technologies.
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公开(公告)号:US10942321B1
公开(公告)日:2021-03-09
申请号:US16559979
申请日:2019-09-04
Inventor: Sujith Chandran , Marcus Dahlem , Ajey Poovannummoottil Jacob , Yusheng Bian , Bruna Paredes , Jaime Viegas
Abstract: Structures for a wavelength-division multiplexing filter and methods of fabricating a structure for a wavelength-division multiplexing filter. The structure includes a first waveguide core, a second waveguide core laterally spaced from the first waveguide core, and a ring resonator arranged in a vertical direction over the first waveguide core and the second waveguide core. The ring resonator is also arranged in a lateral direction between the first waveguide core and the second waveguide core. The first and second waveguide cores are composed of a semiconductor material, such as single-crystal silicon, and the ring resonator is composed of a dielectric material, such as silicon nitride.
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