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Results 1-10 of 571 for Criteria:(ANID:BG* AND CTR:WO) Office(s):all Language:EN Stemming: true maximize
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TitleCtrPubDate
Int.ClassAppl.NoApplicantInventor
1. WO/2017/008130 METHOD AND SYSTEM FOR DIRECT CASTING OF CAST COMPONENTS BY ADDITIVE MANUFACTURING OF COMPOSITE MONOLITHIC MOLDSWO19.01.2017
B22C 9/02
PCT/BG2016/050004"PRINT CAST" LTDTODOROV, Georgi Dimitrov
The invention relates to a method for direct casting of cast components by layer-wise generation of composite molds, wherein the composite molds are generated as monolithic elements and simultaneously with their respective cores in an assembled form. The system for layer-wise generation of three- dimensional models from the powdered material in a removable container (1) with a movable bottom (2), which is separated from the device for lifting and lowering (4) the movable bottom, which is built into the system for layer- wise generation of three-dimensional models. The generation of the molds is done by application of layers of powdered material and binding of the particles of each layer through a binder, added selectively according to a program/pattern only in the volumes, where the solid body of the model is being generated. This procedure is subsequently repeated until the entire volume is constructed, allowing direct casting in the resulting molds without removing them from the container (1), in which they are generated, after removing the unnecessary powdered material from their working cavities.

2. WO/2017/004685 METHOD AND MARKING (IMAGE) FOR VERIFICATION AND PROTECTION AGAINST COUNTERFEIT BY MEANS OF ENCRYPTED MODULATION OF SPATIAL LOCATION OF PREDEFINED ENCRYPTING ELEMENTS OF THE IMAGEWO12.01.2017
G06K 7/10
PCT/BG2016/000018KEIT LTD.ZHELEV, Georgi Zhivkov
The invention refers to a method and a marking (image) for verification and protection against counterfeit by means of encrypted modulation of spatial location of predefined encrypting elements of the applied marking, as well as a method for verification and control of the encrypted modulation of the spatial location of the predefined elements by means of decryption and comparison for authentication of the originality against counterfeit.

3. WO/2017/000048 OPTICAL VARIABLE ELEMENTWO05.01.2017
G02B 5/02
PCT/BG2015/000019DEMAX - HOLOGRAMS ADMONOVSKI, Valentin, Konstantinov
(57) The invention relates to an optical variable element of visible black colour and it will be applicable as a security feature to certify the authenticity and the uniqueness of documents, banknotes and trademarks by applying on a sticker, or directly on the surface of the protected object. The proposed variable optical element of visible black colour contains a transparent diffraction layer, consisting of at least two superposed in different directions (angular shifted) diffraction patterns, and according to the invention it also includes an optical transformation layer (6), while the diffraction layer (5) configuration consists of two-dimensional shaped pyramids (9) with a raster distance (r), where the pyramids are placed on, within the scope of 0,2 um - 0,45 μm.

4. WO/2016/201529 DEVICE FOR CONVERTING RECIPROCATING MOTION INTO ROTARY MOTION AND VICE VERSA, IN AXIAL-PISTON MECHANICAL SYSTEMSWO22.12.2016
F01B 3/04
PCT/BG2016/000004KSIMETRO -TATIANA NIKOLOVA LTDBRASTINKOV, Lachezar, Alexandrov
Device for converting reciprocating motion into rotary motion and vice versa, in axial-piston mechanical systems The invention relates to a highly efficient device for converting the reciprocating motion of the pistons into rotary movement of the shaft and vice versa in the axial-piston, mechanical systems of engines, pumps and compressors, which has an increased contact resistance to the power load, and makes it possible to increase several times the torque, as a result of a shorter kinematic chain and overcoming the kinematic constraints on the torque of the output shaft that are created by the working stroke of the pistons. Four types of the Device have been developed, where the kinematic chain in two of them has three links, and in the other two - four links, finding application respectively in the structures of hydraulic motors and pumps, and internal combustion engines. The Device is also used in air piston compressors, and can be used in all other devices that include mechanisms for converting a reciprocating motion into rotary motion and vice versa.

5. WO/2016/191833 METHOD FOR PROCESSING INDUSTRIAL WASTE CONTAINING IRONWO08.12.2016
C22B 1/00
PCT/BG2015/000015ALCOL HOLDING GROUP LTD.DRAGOMIROV, Alexandar Assenov
The method includes the steps: - mixing the waste as pulp with 25-40% aqueous sodium hydroxide and heating to 35-80°C with stirring; - continuous addition of oxalic acid solution and 0.5 - 10% hydrogen peroxide until equivalent molar proportion of Na:Fe:C2O4 = 3:1:3 is achieved; - addition of an excess of 5-10% oxalic acid plus the already added quantity of this acid and heating at 25-80°C for 1 hour; - filtering the reaction mixture with solid phase separation and filtrate precipitation with 5-15% aqueous sodium hydroxide at 60-70°C; - washing the precipitate from the previous step with deionized water and drying at 115-160°C; - treating the solid phase separated after the third step with 15-30% sulphuric acid. In one embodiment the method comprises additional step of the solid phase treatment with 11-15 % sodium hydroxide.

6. WO/2016/187679 METHOD FOR PREPARATION OF A CANNABINOID EXTRACT FROM HEMPWO01.12.2016
A61K 36/185
PCT/BG2016/000016"POBELCH - GLE" OODIVANOV, Ervin, Milenov
The invention relates to a method for extraction and separation of cannabinoids from industrial hemp, designed for medicinal purposes, and also the preparation of an extract, not containing tetrahydrocannabinol, and the preparation of maximum refined individual cannabinoids. The advantage of the method according to the invention consists in the preparation of an extract from hemp, which contains at a high percentage medically useful cannabinoids and doesn't contain undesirable admixtures and tetrahydrocannabinol, so that it can be used without any restrictions as a pharmaceutical. Moreover, the method allows the possibility of separation, if required, into individual useful cannabinoids as pure compounds, in ecological terms, without environmental pollution, as it is according to the most synthetic methods. The possibility of producing pure compounds represents a great contribution to the research of substances, related to a concrete medical application and the preparation of various combinations thereof, with the objective of expansion the field of application. The method is also cost-effective. The method consists in that the extract, obtained in accordance with various methods, undergoes a centrifugal countercurrent liquid-liquid chromatography, as the operation includes a centrifugation of solvents and the extract, obtained during the previous operations; the solvents form two phases, the phase, which the extract is dissolved in, is mobile, and the other one is stationary, whereby the mobile phase passes through the stationary phase, wherein several amounts of the components of the extract content are captured; this passing of the mobile phase through the stationary phase is repeated many times, until separation of the desired substances, which are analyzed in a familiar way, whereby as stationary phase solvents are used, which are selected from the group of straight-chain and branched-chain hydrocarbons, produced from crude oil, straight-chain and/or branched-chain alcohols, straight-chain and/or branched-chain ketones, straight-chain and/or branched chain carboxylic acids, straight-chain and/or branched-chain nitriles, gases in supercritical and subcritical condition, like carbon dioxide, nitrogen, nitrogen oxides, water with modified acidity with or without salts of organic and non-organic substances dissolved therein, as for example NaS03, carbonate compounds or mixtures of the above-mentioned solvents, and as mobile phase solvents are used, which are selected from the group of straight-chain and branched-chain hydrocarbons, produced from crude oil, straight-chain and/or branched-chain alcohols, straight-chain and/or branched-chain ketones, straight-chain and/or branched chain carboxylic acids, straight-chain and/or branched-chain nitriles, gases in supercritical and subcritical condition, like carbon dioxide, nitrogen, nitrogen oxides, water with modified acidity by organic and/or inorganic acids and bases, as well as Lewis acids and bases in the interval from 0 to 14 pH, with or without salts of organic and non-organic substances dissolved therein, as for example NaS03, carbonate compounds, or mixtures of the above-mentioned solvents, while the choice of the solvents between the two phases is conditional on that, they shall be different and immiscible with each other; the centrifugation revolutions and the flow speed of the mobile phase are designed (calculated or determined experimentally) depending on the total phase volume; thus at the finish of the process the tetrahydrocannabinols and/or the tetrahydrocannabinol acids are separated from the remaining cannabinoids and/or cannabinoid acids in the solution, the other cannabinoids in the process can also be separated as a pure substance, separate in a solution and the solvents are evaporated respectively, in order to obtain a pure substance.

7. WO/2016/183643 PHOTOVOLTAIC SYSTEM FOR GENERATING AND SUPPLYING ENERGY TO DC GRID AND ITS CONSUMERSWO24.11.2016
H02J 1/10
PCT/BG2015/000022NORTHEAST ENERGY LTDNENOV, Konstantin Vassilev
The system is designed for direct coupling to DC-grids, as these of public transport. It works synchronously with conventional power supplies and remains permanently connected to the DC-grid even if the consumption is low or zero. The PV-system includes PV-field, composed from photovoltaic structure representing a single PV-panel or group of PV-panels. Each PV-structure has the (+)output and (-)output, to which an optimizer (12) is connected. Each of optimizers has outputs connected to each other and/or in the configuration of the PV-field to the common (+) and (-)output lines (9,10). The optimizer's type fulfill both of conditions - PV-field to have nominal voltage, relevant to the voltage of the DC-Grid (1) and limited voltage lower than the maximum permissible voltage of the DC-Grid (1), which makes the system efficient in terms of voltage controlling.

8. WO/2016/179669 ACTUATING A GAS TURBINE BY MEANS OF A PULSATING GAS FLOWWO17.11.2016
F02B 37/24
PCT/BG2016/000011RAYCHINOV, Galin StefanovRAYCHINOV, Galin Stefanov
A method for actuating a gas turbine by means of a pulsating gas flow, which involves supplying a pulsating gas flow to a gas turbine, is distinguished in that, in accordance with the instantaneous parameters of the pulsating gas flow at an inlet to the gas turbine, a load on the gas turbine shaft is turned on or increased at times when the instantaneous parameters of the pulsating gas flow can provide a turbine efficiency higher than a preset value, and, at times when the instantaneous parameters of the pulsating gas flow cannot provide for the set turbine efficiency, the load on the turbine shaft is turned off or reduced. A system for actuating a gas turbine by means of a pulsating gas flow, which consists of a source of pulsating gas flow (1), connected to an inlet of a gas turbine (2), the shaft of which is connected to at least one consumer of mechanical energy (3), is distinguished in that it includes at least one sensor (4) of the instantaneous parameters of the pulsating gas flow at the turbine inlet, said sensor being connected to a controller (5) which is connected to a device (6) for controlling the load on the consumer of mechanical energy (3). The method and system constituting the subject matter of the invention provide for increased gas turbine efficiency and decreased turbine resistance relative to a pulsating gas flow supplied to the turbine.

9. WO/2016/179670 METHOD OF DATA INDEXING AND SORTINGWO17.11.2016
G06F 7/00
PCT/BG2016/000014STS SOFT ADTRONKOV, lliya
The invention is related to a method of data indexing and sorting on external storage devices through the establishment of specific indexing structure, characterized with the fact that it is established only through part of the incoming keys and operates through specific method of selection and merging of data buffers, in order to provide more effective external sorting of all data. The indexing method inherits the model with messages from buffer based trees, but makes a step further by allowing selection and multiple merging of buffers from various levels, and not only merging of subordinated buffers from a node to a slave node. With the method, the number of I/O operations, required for indexing and complete sorting of data is minimized. The method is applicable for database management systems, file systems, systems for sorting of big datasets, systems for parallel or distributed data processing etc.

10. WO/2016/179671 GAS TURBINE SYSTEM WITH PULSATING GAS FLOW FROM AN INTERNAL COMBUSTION ENGINEWO17.11.2016
F02B 37/24
PCT/BG2016/000015RAYCHINOV, Galin StefanovRAYCHINOV, Galin Stefanov
A gas turbine system with a pulsating gas flow from an internal combustion engine, said system comprising a gas turbine (1), an inlet of which is connected to an exhaust pipe (2) of an internal combustion engine (3), while an outlet of the gas turbine (1) is connected to a pipe or system (4) for discharging exhaust gases, and a shaft of the gas turbine (1) is connected to at least one consumer of mechanical energy (5), is distinguished in that an ejector (6) is mounted between the exhaust pipe (2) of the internal combustion engine (3) and the inlet of the gas turbine (1) in such a way that an ejector (6) inlet for an actuating gas flow is connected to the exhaust pipe (2) of the internal combustion engine, an ejector (6) inlet for an actuated gas flow is connected via a pipe (7) to an outlet of the gas turbine (1), and an ejector (6) outlet for a common gas flow is connected to an inlet of the gas turbine (1). The system constituting the subject matter of the invention provides for decreasing the pressure amplitude and speed amplitude of a gas flow in a gas turbine, and also for increasing the overall mass of the gas flow, thus solving the problem of increasing the weighted average efficiency of the gas turbine in a gas turbine system with a pulsating gas flow from an internal combustion engine, and, as a result, increasing the efficiency of the system as a whole.


Results 1-10 of 571 for Criteria:(ANID:BG* AND CTR:WO) Office(s):all Language:EN Stemming: true
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