Patents by Inventor Alberto Petri
Alberto Petri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11411487Abstract: An output filter for a power conversion system having a plurality of power converters connected in parallel, the output filter including a magnetic core and a plurality of filtering windings each wound around a corresponding one of a plurality of segments of the magnetic core and corresponding to one of the plurality of power converters, each of the plurality of filtering windings including a free-end configured for connection to an output of a corresponding one of the plurality of power converters and a second end, the second ends of all of the filtering windings being electrically connected to each other in a common connection; at least one additional winding wound around the additional segment of the magnetic core, the additional winding having a free-end for being connected to an electrical grid and a second end connected to the common connection.Type: GrantFiled: December 29, 2015Date of Patent: August 9, 2022Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Alberto Petri Ortega, Carlos Girones Remirez
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Publication number: 20200169162Abstract: An output filter for a power conversion system having a plurality of power converters connected in parallel, the output filter including a magnetic core and a plurality of filtering windings each wound around a corresponding one of a plurality of segments of the magnetic core and corresponding to one of the plurality of power converters, each of the plurality of filtering windings including a free-end configured for connection to an output of a corresponding one of the plurality of power converters and a second end, the second ends of all of the filtering windings being electrically connected to each other in a common connection; at least one additional winding wound around the additional segment of the magnetic core, the additional winding having a free-end for being connected to an electrical grid and a second end connected to the common connection.Type: ApplicationFiled: December 29, 2015Publication date: May 28, 2020Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Alberto PETRI ORTEGA, Carlos GIRONES REMIREZ
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Patent number: 10443571Abstract: A kit for a wind station having a fixed speed wind turbine with a generator configured to be coupled to a grid by a coupling device so that the turbine operates at a fixed frequency equal to the frequency of the grid. The kit includes a back-to-back power converter configured for connection between the generator and the grid, and the power converter includes a machine side converter, a grid side converter and a DC link between both converters, a controller for controlling the power converter, and a connection point for receiving at least one parameter of the generator of the turbine. The connection point is communicated with the controller, and the controller is configured to act upon the power controller depending on said parameter.Type: GrantFiled: October 16, 2014Date of Patent: October 15, 2019Assignee: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Alberto Petri Ortega, Carlos Girones Remirez, Jesus Mayor Lusarreta
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Publication number: 20170198681Abstract: Kit and method for a wind station comprising a fixed speed wind turbine with a generator being coupled to a grid by means of a coupling device so that the turbine operates at a fixed grid current frequency of the grid. The kit (100) is adapted to be coupled between the generator (10) of the wind turbine (1) and the grid (2), replacing at least the coupling device, the kit (100) turning the fixed speed wind turbine into a variable speed wind turbine.Type: ApplicationFiled: October 16, 2014Publication date: July 13, 2017Applicant: INGETEAM POWER TECHNOLOGY, S.A.Inventors: Alberto PETRI ORTEGA, Carlos GIRONES REMIREZ, Jesus MAYOR LUSARRETA
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Patent number: 5166306Abstract: Flame-resistant thermoplastic branched polycarbonates of high molecular weight are prepared from:(1) a carbonate precursor;(2) at least one dihydroxyaromatic compound of formula: ##STR1## where: R is a single bond, or a substituted or non-substituted linear or branched C.sub.1 -C.sub.5 alkylene radical, or a group chosen from O, S, SO.sub.2 and CO;X and Y, which may be the same or different, are H or CH.sub.3 ;m and n, which may be the same or different, are whole numbers from 1 to 4;(3) at least one halogenated pyrimidine compound of formula: ##STR2## where: R.sub.2, R.sub.3, R.sub.4, which may be the same or different, are chlorine or bromine or hydrogen, on condition that at least one is chlorine or bromine;R.sub.1 is chlorine or bromine, or a radical of formula: ##STR3## where Z is NH or S or O; (4) at least one polyfunctional organic compound as branching agent, characterized by possessing at least three equal or different groups chosen from the groups OH, COOH, COCl and SO.sub.2 Cl.Type: GrantFiled: December 27, 1991Date of Patent: November 24, 1992Assignee: Enichem Technoresine S.p.A.Inventor: Alberto Petri
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Patent number: 5098989Abstract: Flame-resistant thermoplastic branched polycarbonates of high molecular weight are prepared from:(1) a carbonate precursor;(2) at least one dihydroxyaromatic compound of formula: ##STR1## where: R is a single bond, or a substituted or non-substituted linear or branched C.sub.1 -C.sub.5 alkylene radical, or a group chosen from O, S, SO.sub.2 and CO;X and Y, which may be the same or different, are H or CH.sub.3 ;m and n, which may be the same or different, are whole numbers from 1 to 4;(3) at last one halogenated pyrimidine compound of formula: ##STR2## where: R.sub.2, R.sub.3, R.sub.4, which may be the same or different, are chlorine or bromine or hydrogen, on condition that at least one is chlorine or bromine;R.sub.1 is chlorine or bromine, or a radical of formula: ##STR3## where Z is NH or S or O; (4) at least one polyfunctional organic compound as branching agent, characterized by possessing at least three equal or different groups chosen from the groups OH, COOH, COCl and SO.sub.2 Cl.Type: GrantFiled: November 30, 1989Date of Patent: March 24, 1992Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 5089595Abstract: Thermoplastic, branched, high-molecular-weight polycarbonates endowed with flame-proof properties (self-extinguishing properties) are characterized in that they contain in their macromolecule carbonate units, units deriving from a di-hydroxy-aromatic compound having the formula: ##STR1## wherein: R is a single bond; orR is a linear or branched, either substituted or non-substitued, alkylene radical of from 1 to 5 carbon atoms; orR is selected from the group consisting of O, S, SO.sub.2, CO;X, Y which may be either equal to, or different from, each other, are either H or CH.sub.3 ;m, n which may be either equal to, or different from, each other, are integers comprised within the range of from 1 to 4;and units deriving from a halogenated macrocyclic compound having the formula ##STR2## wherein: R.sub.1 is H or OH or chlorine or bromine, andR.sub.2 is chlorine or bromine.Type: GrantFiled: August 28, 1990Date of Patent: February 18, 1992Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 5064931Abstract: Flame-resistant thermoplastic branched polycarbonates of high molecular weight are prepared from:(1) a carbonate precursor;(2) at least one dihydroxyaromatic compound of formula: ##STR1## where: R is a single bond, or a substituted or non-substituted linear or branched C.sub.1 -C.sub.5 alkylene radical, or a group chosen from O, S, SO.sub.2 and CO;X and Y, which may be the same or different, are H or CH.sub.3 ;m and n, which may be the same or different, are whole numbers from 1 to 4;(3) at least one halogenated carbonyl compound of formula: ##STR2## where: Z is a group chosen from O, S, and NH;R.sub.1 and R.sub.2, which may be the same or different, are chlorine or bromine;R is hydrogen or chlorine or bromine or a C.sub.1 -C.sub.3 alkyl radical;p is zero or 1 or 2.Type: GrantFiled: December 1, 1989Date of Patent: November 12, 1991Assignee: Enichem Tecnoresine S.p.A.Inventors: Alberto Petri, Sergio Poggio
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Patent number: 5049644Abstract: Flame-resistant thermoplastic branched polycarbonates of high molecular weight are prepared from:(1) a carbonate precursor;(2) at least one dihydroxyaromatic compound of formula: ##STR1## where: R is a single bond, or a substituted or non-substituted linear or branched C.sub.1 -C.sub.5 alkylene radical, or a group chosen from O, S, SO.sub.2 and CO;X and Y, which may be the same or different, are H or CH.sub.3 ;m and n, which may be the same or different, are whole numbers from 1 to 4;(3) at least one halogenated triphenolbenzamido compound of formula: ##STR2## where: Z is a group chosen from CO and SO.sub.2 ;R.sub.1 is chlorine or brominep is 1 or 2.Type: GrantFiled: November 29, 1989Date of Patent: September 17, 1991Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 5047498Abstract: Thermoplastic branched polycarbonates of high molecular weight and which possess flame-resistant (self-extinguishing) properties are provided wherein said polycarbonates contain in addition to carbonate units, units derived from a dihydroxyaromatic compound, units derived from a halogenated triphenyl compound and units derived from a polyfunctional organic branching agent.Type: GrantFiled: June 12, 1989Date of Patent: September 10, 1991Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4987269Abstract: Thermoplastic, branched, high-molecular-weight polycarbonates endowed with flame-proof properties (self-extinguishing properties) are characterized in that they contain in their macromolecule carbonate units, units deriving from a di-hydroxy-aromatic compound having the formula: ##STR1## wherein: R is a single bond; orR is a linear or branched, either substituted or non-substituted, alkylene radical of from 1 to 5 carbon atoms; orR is selected from the group consisting of O, S, SO.sub.2, CO;X, Y which may be either equal to, or different from, each other, are either H or CH.sub.3 ;m, n which may be either equal to, or different from, each other, are integers comprised within the range of from 1 to 4;and units deriving from a halogenated macrocyclic compound having the formula: ##STR2## wherein: R.sub.1 is H or OH or chlorine or bromine, andR.sub.2 is chlorine or bromine.Type: GrantFiled: June 26, 1989Date of Patent: January 22, 1991Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4920198Abstract: Branched, thermoplastic polycarbonates, suitable for being processed according to the blow-molding technique, are prepared by copolymerization with hydroxy-naphthoic acids or their derivatives.Type: GrantFiled: June 7, 1988Date of Patent: April 24, 1990Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4900803Abstract: Branched, thermoplastic polycarbonates, suitable for being processed according to the blow-molding technique, are prepared by copolymerization with tri- or tetra-hydroxy biphenyl compounds.Type: GrantFiled: June 7, 1988Date of Patent: February 13, 1990Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4883856Abstract: Thermoplastic, branched, high-molecular weight polycarbonates endowed with properties of flame-resistance (self-extinguishing polycarbonates) are characterized by the presence in their polymeric chain of units deriving from a di-hydroxy-aromatic compound having the formula: ##STR1## wherein: R is a single bond; or is a substituted or non-substituted, linear or branched alkyl group containing from 1 to 5 carbon atoms; or is a group selected from O, S, SO.sub.2, CO;X and Y are equal to, or different from, each other and stay for H or CH.sub.3 ;m and n are integers, equal to or different from each other, ranging from 1 to 4;and of units deriving from a mono-halogenated tetraphenyl compound having the formula: ##STR2## wherein: R, R.sub.2, R.sub.4, R.sub.6 stay for OH;R.sub.1, R.sub.3, R.sub.5, R.sub.7, either equal to, or different, from one another, stay for OH, H, or a linear or branched alkyl group of from 1 to 5 carbon atoms.Type: GrantFiled: July 13, 1988Date of Patent: November 28, 1989Assignee: Enichem Tecnoresine, S.p.A.Inventor: Alberto Petri
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Patent number: 4857628Abstract: Branched, soluble, high-molecular-weight, thermoplastic polycarbonates having improved properties, and, in particular, suitable to the fabrication by blow-moulding, characterized by the presence in their structure of units deriving from the use in the synthesis of tris(4'-hydroxyaryl)-amino-S-triazines having the formula: ##STR1## wherein R.sub.1 and R.sub.2, equal to, or different from each other, indicate hydrogen, linear or branched C.sub.1-5 alkyl, or halogen (in particular, chlorine and bromine).Type: GrantFiled: July 2, 1986Date of Patent: August 15, 1989Assignee: Enichem Tecnoresine, S.p.A.Inventor: Alberto Petri
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Patent number: 4798882Abstract: Branched, thermoplastic polycarbonates, suitable for being processed by means of the blow-moulding technique, are prepared by means of copolymerization with methylene-bis-naphthalene compounds.Type: GrantFiled: July 17, 1987Date of Patent: January 17, 1989Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4795797Abstract: Branched, thermoplastic polycarbonates, suitable for being processed by means of the blow-moulding technique, are prepared by means of copolymerization with aliphatic polyfunctional acids or their derivatives.Type: GrantFiled: July 17, 1987Date of Patent: January 3, 1989Assignee: Enichem Tecnoresine S.p.A.Inventor: Alberto Petri
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Patent number: 4789723Abstract: In the present invention disclosed are high-molecular-weight, soluble, thermoplastic branched polycarbonates endowed with improved properties, and suitable to blow-moulding fabrication.Such polycarbonates are characterized by the presence, in their structure, of units deriving from the following double-ring aromatic compounds: ##STR1## wherein R.sub.1 indicates H, --COCL, --SO.sub.2 Cl; R.sub.2, R.sub.3 and R.sub.4, equal to or different from each other, indicate --COCl or SO.sub.2 Cl.The above-said compounds are directly used in the syntheses.Type: GrantFiled: December 17, 1986Date of Patent: December 6, 1988Assignee: Enichem Tecnoresine S.p.A.Inventors: Piero Manaresi, Francesco Pilati, Corrado Berti, Alberto Petri
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Patent number: 4788273Abstract: Branched, thermoplastic polycarbonates, suitable for being processed by means of the blow-moulding technique, are prepared by means of copolymerization with tetrafunctional heterocyclic compounds.Type: GrantFiled: July 17, 1987Date of Patent: November 29, 1988Assignee: Enichem Tecnoresine, S.p.A.Inventor: Alberto Petri
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Patent number: 4786707Abstract: In the present invention disclosed are high-molecular-weight, soluble, thermoplastic branched polycarbonates endowed with improved properties, and suitable to blow-moulding fabrication.Such polycarbonates are characterized by the presence, in their structure, of units deriving from the following single-ring aromatic compounds: ##STR1## wherein R.sub.1 indicates H, --COCl, --SO.sub.2 Cl; R.sub.2, and R.sub.3, equal to or different from each other, indicate --COCl or SO.sub.2 Cl.The above-said compounds are directly used in the syntheses.Type: GrantFiled: December 17, 1986Date of Patent: November 22, 1988Assignee: Enichem Tecnoresine S.p.A.Inventors: Piero Manaresi, Francesco Pilati, Corrado Berti, Alberto Petri