Patents Assigned to ISTANBUL TEKNIK UNIVERSITESI
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Publication number: 20200083757Abstract: A combined multi-source energy harvesting and communication management system which enables to obtain high efficiency energy by means of the configuration among the energy control interface (6), the energy combiner (7), the energy storage and transfer unit (8), the memory (9), the energy management unit (10) and the communication management unit (11).Type: ApplicationFiled: May 21, 2018Publication date: March 12, 2020Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Dogay ALTINEL, Gunes Zeynep KARABULUT KURT
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Patent number: 10583406Abstract: The invention relates to obtaining a nanofiber membrane by coating a hollow braided rope (3) with a nanofiber layer (2), to the usage of said tubular nanofiber membrane as a support layer membrane, and to the fabrication of forward osmosis membrane by coating the surface thereof with thin composite film (1). Particularly, a tubular nanofiber forward osmosis membrane used in water & waste water treatment and desalination processes with high water flux, low reverse salt flux, as well as a low tendency of fouling, and the manufacturing method thereof are disclosed herein.Type: GrantFiled: November 1, 2016Date of Patent: March 10, 2020Assignee: ISTANBUL TEKNIK UNIVERSITESI REKTORLUGUInventors: Ismail Koyuncu, Serkan Guclu, Murat Eyvaz, Taha Aslan, Serkan Arslan, Ayse Yuksekdag, Ebubekir Yuksel
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Publication number: 20200063819Abstract: A modular shock absorber developed for use in places where shock absorption is required. The modular shock absorber includes; horizontal carriers, a main carrier I and a main carrier II, a central carrier I, a central carrier II, an upper plate I, a lower plate I, a lower plate II, an upper plate II, an upper plate III, a lower plate III, a lower plate IV and an upper plate IV.Type: ApplicationFiled: May 18, 2018Publication date: February 27, 2020Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Mesut KIRCA, Cem GUZELBULUT, Ezgi AKBULUT
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Patent number: 10570042Abstract: A method of operating osmotic membrane bioreactors (OMBRs) includes the steps of feeding the synthetic wastewater from wastewater tank to the reactor with the help of wastewater pump, and transferring of diluted draw solution through TuNFO membrane to the draw solution tank. The draw solution is diluted through passing of high flux water from the reactor into the membrane by means of osmotic force and vacuum force obtained by operating the vacuum pump at higher velocity than the force pump.Type: GrantFiled: October 26, 2017Date of Patent: February 25, 2020Assignee: ISTANBUL TEKNIK UNIVERSITESIInventors: Serkan Arslan, Ismail Koyuncu, Murat Eyvaz, Derya Imer, Taha Aslan, Ebubekir Yuksel
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Patent number: 10554389Abstract: The invention is particularly related with an encryption method that aims to secure an input data with reduced number of encryption operations. The invention claim the security by using the hardness of the unique decodability of the variable-length non-prefix-free (NPF) codes. The proposed encryption system is operated according to these steps, compression of the input data and coding with the introduced NPF encoding that splits the independent and identically distributed (IID) data to the two stream as code-word boundaries information data, which has all information of boundaries of NPF code words stream, and NPF code words stream which has all payload of encoded IID data except code-word boundaries information and then encrypting the code-word boundaries information without NPF code words stream.Type: GrantFiled: November 14, 2016Date of Patent: February 4, 2020Assignee: ISTANBUL TEKNIK UNIVERSITESIInventor: M. Oguzhan Kulekci
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Publication number: 20200018229Abstract: An internal combustion engine, includes a 1st rotor having two blades, rotating in the circular volume of the motor body block with variable angular speed; a 2nd rotor having two blades, rotating in the circular volume of the motor body block with variable angular speed, a rolling bearing provided between the 1st rotor and the 2nd rotor enables rotation of the 1st rotor and the 2nd rotor on each other; a 1st unidirectional rolling bearing between the 1st rotor and the back cover enables rotation of the 1st rotor and the 2nd rotor at different times and at different extents; a 3rd unidirectional rolling bearing transferring the 2nd rotor's rotation movements to the output shaft is provided on the internal collar of the 2nd rotor; a 4th unidirectional rolling bearing transferring the 1st rotor's rotation movements to the output shaft is provided on the internal collar of the 1st rotor.Type: ApplicationFiled: April 19, 2018Publication date: January 16, 2020Applicants: ISTANBUL TEKNIK UNIVERSITESI, MITOS MIKRODALGA GORUNTULEME SISTEMLERI MUHENDISLIK SANAYI VE TICARET LIMITED SIRKETIInventors: Guray Ali CANLI, Ibrahim AKDUMAN, Ismail KURTOGLU, Mehmet CAYOREN, Hasan ERCAN, Haluk Ali YUMLU
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Publication number: 20190388893Abstract: A microchannel (1) having a spiral geometry structured with asymmetrical curls (2) that enables separation of metastasis cancer cells rarely found in blood from the blood cells and enrichment thereof, which forces the particles or the cells to focus quicker and where high-quality particle focusing in a wider flow rate range can be performed.Type: ApplicationFiled: March 16, 2018Publication date: December 26, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Levent TRABZON, Samir JABER, Utku Mustafa SONMEZ
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Patent number: 10411934Abstract: A superposition coded orthogonal frequency division multiplexing system which sets forth a comprehensive solution and deals with factors such as peak-to average power ratio (PAPR), error performance enhancement, data rate increase, synchronization or channel estimation and multi input and output (MIMO), using a joint system.Type: GrantFiled: October 11, 2018Date of Patent: September 10, 2019Assignee: ISTANBUL TEKNIK UNIVERSITESIInventors: Selahattin Gokceli, Gunes Zeynep Karabulut Kurt
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Publication number: 20190263693Abstract: A method of operating osmotic membrane bioreactors (OMBRs) includes the steps of feeding the synthetic wastewater from wastewater tank to the reactor with the help of wastewater pump, and transferring of diluted draw solution through TuNFO membrane to the draw solution tank. The draw solution is diluted through passing of high flux water from the reactor into the membrane by means of osmotic force and vacuum force obtained by operating the vacuum pump at higher velocity than the force pump.Type: ApplicationFiled: October 26, 2017Publication date: August 29, 2019Applicant: ISTANBUL TEKNIK ÜNIVERSITESIInventors: Serkan ARSLAN, Ísmail KOYUNCU, Murat EYVAZ, Derya IMER, Taha ASLAN, Ebubekir YUKSEL
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Patent number: 10342896Abstract: The invention relates to obtaining nanofibers that contain biocompatible polymers and using the product obtained by making them bioactive through linking covalent proteins to said nanofibers in tissue engineering.Type: GrantFiled: August 24, 2017Date of Patent: July 9, 2019Assignee: ISTANBUL TEKNIK ÜNIVERSITESI REKTÖRLÜGÜInventors: Abdulkadir Sezai Saraç, Zeliha Güler
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Publication number: 20190177856Abstract: A method of producing a layered thick coating which has antibacterial properties, high-wear resistance and low friction coefficient on the surfaces of metallic materials. The objective is to provide a layered thick coating production method, which enables to form a titanium oxide layer exhibiting bioactive property on the outermost surface of the coating, and to produce a structurally denser coating as the zinc contained in the coating causes liquid phase sintering thereby filling the discontinuities in the coating structure.Type: ApplicationFiled: July 27, 2017Publication date: June 13, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Huseyin CIMENOGLU, Erdem ATAR, Murat BAYDOGAN, Dogukan CETINER, Ahmet Hilmi PAKSOY, Hasan GULERYUZ, Onur TAZEGUL
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Publication number: 20190144606Abstract: A method of producing powder-form polymer by using 1-(p-tolylsulfonyl)pyrrole monomer. The method includes preparing a solvent and filling it into a reaction vessel, adding polyacrylonitrile (PAN) matrix, surfactant and 1-(p-tolylsulfonyl)pyrrole monomer (M-1pTSP) into the solvent and stirring, adding an initiator onto the resulting mixture so as to initiate the reaction, conducting the chemical polymerization reaction, filtering the product obtained as a result of the reaction, washing and drying the filtrate, and obtaining the polymer mixture containing polyacrylonitrile and poly 1-(p-tolylsulfonyl)pyrrole as the final product.Type: ApplicationFiled: August 24, 2017Publication date: May 16, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: A. Sezai SARAC, Ezgi ISMAR
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Publication number: 20190109748Abstract: A superposition coded orthogonal frequency division multiplexing system which sets forth a comprehensive solution and deals with factors such as peak-to average power ratio (PAPR), error performance enhancement, data rate increase, synchronization or channel estimation and multi input and output (MIMO), using a joint system.Type: ApplicationFiled: October 11, 2018Publication date: April 11, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Selahattin Gokceli, Gunes Zeynep Karabulut Kurt
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Publication number: 20190087390Abstract: This invention is related to a document similarity detection method in which non-prefix-free (NPF) coding of the input documents as a transform is used to provide the privacy. The method includes the following steps, encoding the symbols of the documents with non-prefix-free coding scheme, obtaining the transformed documents, calculating the similarity score of the transformed documents with the normalized compression distance similarity metric.Type: ApplicationFiled: January 23, 2017Publication date: March 21, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESIInventors: Muhammed Oguzhan KULEKCI, Mustafa Ersel KAMASAK
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Publication number: 20190078247Abstract: The invention is related to a continuous system for coating carbon fibre materials and a device developed to carry out the method. The coating of carbon fibre with both an electrochemical method following the polymerization (polyethylenedioxythiophene, polypyrrole, polythiophene, polyaniline and derivates thereof) of the monomer of conductive polymer and coating with an insulating sizing material (thickening material) is carried out in a single step.Type: ApplicationFiled: January 18, 2017Publication date: March 14, 2019Applicant: ISTANBUL TEKNIK UNIVERSITESI REKTORLUGUInventors: A. Sezai SARAC, Burcu SAYINLI
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Publication number: 20180351730Abstract: The invention is particularly related with an encryption method that aims to secure an input data with reduced number of encryption operations. The invention claim the security by using the hardness of the unique decodability of the variable-length non-prefix-free (NPF) codes. The proposed encryption system is operated according to these steps, compression of the input data and coding with the introduced NPF encoding that splits the independent and identically distributed (IID) data to the two stream as code-word boundaries information data, which has all information of boundaries of NPF code words stream, and NPF code words stream which has all payload of encoded IID data except code-word boundaries information and then encrypting the code-word boundaries information without NPF code words stream.Type: ApplicationFiled: November 14, 2016Publication date: December 6, 2018Applicant: ISTANBUL TEKNIK UNIVERSITESIInventor: M. Oguzhan KULEKCI
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Patent number: 10117132Abstract: A wireless communication and data storage method enables data present at the source unit to be stored at storage units by a relay unit, comprising distributing data packets to a wireless communication interface inside a source unit via a load balancing data packer according to previously defined success criteria, transmitting data packets wirelessly to a relay unit and storage unit if it is decided to realize network coding at the relay unit, coding and repacking data that is unpacked at the network coding unit if it is decided not to realize network coding, transmitting it to the load balancing data packer using relaying techniques, dividing data that is network coded or transmitted using the relaying techniques into data packets, transmitting the data packets wirelessly to the storage unit, decoding, merging data packets at the network decoding unit in the storage unit, and storing them at the data storage unit.Type: GrantFiled: May 6, 2016Date of Patent: October 30, 2018Assignee: ISTANBUL TEKNIK ÜNIVERSITESIInventors: Gunes Zeynep Karabulut Kurt, Semiha Tedik Basaran
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Patent number: 10006167Abstract: The present invention relates to a delignification method which is applied for removing lignin from a biomaterial mixture in form of a pile, and essentially comprises the steps of piling of the biomaterials, treating the pile with an irrigation solution comprised of water or an aqueous solution comprising chemical materials, transferring the irrigation solution leached during reaching to the bottom of the pile to a pool or a storage unit with a drainage system, giving the irrigation solution which is transferred to the pool or the storage unit to irrigation again after controlling and optimizing, and leaching the pile by stopping the irrigation when the delignification process ends.Type: GrantFiled: August 10, 2015Date of Patent: June 26, 2018Assignee: ISTANBUL TEKNIK ÜNIVERSITESIInventors: Oya Atici, Erdem Tezcan
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Patent number: 9960831Abstract: A communication system for the next generation wireless communications technology standards. The communication system architecture is created by the combination of the index modulation technique and the multiple input multiple output orthogonal frequency division multiplexing which eliminates the need to utilize complex equalizers by parsing high speed data strings and transmitting them over multiple orthogonal subcarriers, and allows the bits to be transmitted via active subcarrier indices. The OFDM-IM and multiple input multiple output communication techniques are used in tandem. The communication system can be used in future generation mobile communication systems and standards (5G and beyond), Local Area Network system and standards, terrestrial digital TV system and standards, multi-carrier communication systems and broadband digital communication systems.Type: GrantFiled: January 18, 2017Date of Patent: May 1, 2018Assignee: ISTANBUL TEKNIK UNIVERSITESI REKTORLUGUInventor: Ertugrul Basar
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Publication number: 20180055970Abstract: The invention relates to obtaining nanofibers that contain biocompatible polymers and using the product obtained by making them bioactive through linking covalent proteins to said nanofibers in tissue engineering.Type: ApplicationFiled: August 24, 2017Publication date: March 1, 2018Applicant: ISTANBUL TEKNIK ÜNIVERSITESI REKTÖRLÜGÜInventors: ABDULKADIR SEZAI SARAÇ, ZELIHA GÜLER