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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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Patent Agency Ranking
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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公开(公告)号：US20200376435A1
公开(公告)日：2020-12-03
申请号：US16681157
申请日：2019-11-12
Applicant: Khalifa University of Science and Technology
Inventor： Emad Alhseinat , Rawdha Alhammadi , Ohoud Alyammahi , Shatha AlMarri , Bashar El-Khasawneh
Abstract: The present invention discloses a pressure converter system for sustainably forcing saline water through a semi-permeable membrane, comprising a hydraulic oil pump, a hydraulic oil cylinder comprising pressurized oil generated from the hydraulic oil pump, a sustainable energy source for powering the hydraulic oil pump, a saline water cylinder containing saline water, wherein the hydraulic oil cylinder and the saline water cylinder are connected using a piston and an electrical circuit for determining a direction of movement of the piston. This system may be developed to a stand-alone desalination facility comprising a ducted windmill that can harvest energy from a wide range of wind speeds, especially very low wind speeds. Because of the above, the present invention successfully converts mechanical energy to high pressure that is required to produce fresh water from saline water.
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公开(公告)号：US10819149B2
公开(公告)日：2020-10-27
申请号：US15950804
申请日：2018-04-11
Applicant: Khalifa University of Science and Technology
Inventor： Mohammad Radwan Alhawari , Baker Mohammad , Hani Hasan Mustafa Saleh , Mohammed Ismail Elnaggar
Abstract: Disclosed is an energy mixer having a first active diode coupled between a first input node and an output node, and a second active diode coupled between a second input node and the output node. A first capacitor is coupled between the first input node and a dynamic node, and a second capacitor is coupled between the second input node and a third node. Switching circuitry is configured to selectively couple the dynamic node between a fixed voltage node and the second input node in response to a control signal provided by control circuitry. When an output voltage at the output node is within a first range, the dynamic node is coupled to the fixed voltage node and when the output voltage is within a lower voltage second range, the dynamic node is coupled to the second input node such that first capacitor and second capacitor are coupled in series.
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公开(公告)号：US20200300457A1
公开(公告)日：2020-09-24
申请号：US16890083
申请日：2020-06-02
Applicant: Khalifa University of Science and Technology
Inventor： Dimitrios C. KYRITSIS
Abstract: The location and morphology of an electrostatically manipulated flame can be controlled through the action of an electrostatic field on the flame, virtually independently of overall mixture composition and imposed strain rate. An electrostatically controlled burner can manipulate a position of a flame between an oxidizer source and a fuel source by way of one or more electrodes configured to produce an electrostatic field proximate to one of the fuel source and the oxidizer source.
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