Patents by Inventor Frédéric Duong
Frédéric Duong 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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DEVICE FOR EXPOSING AN ALGAL SOLUTION TO LIGHT, ASSOCIATED PHOTOBIOREACTOR AND IMPLEMENTATION METHOD
Publication number: 20200032181Abstract: Disclosed is a device for exposing an algal solution to light, for a photobioreactor, this exposure device including a flat support including at least one opening capable of holding at least one shaft, the shaft being made of a liquid-tight, translucent or even transparent flexible material, and including an open end capable of holding a sleeve, the sleeve being translucent, or even transparent, and arranged to seal and attach the shaft to the support. The exposure device has positive floatability in water. Also disclosed is a photobioreactor equipped with such a device and a start-up method for such a photobioreactor.Type: ApplicationFiled: September 26, 2017Publication date: January 30, 2020Inventor: Frédéric DUONG -
Patent number: 10092671Abstract: A device for dispersing foul gaseous effluent emissions released diffusely by sources located close to the ground, in particular by wastewater treatment ponds (10, 11, 12), includes: at least two auxiliary air or gas injectors (5a1, 5b1; 5a2, 5b2; 5a3, 5b3) oriented upwards and installed in opposing zones on the periphery of each foul gaseous effluent source, such as to disperse the gaseous effluents; separate supply elements (8.1, 13a1, 13b1; 8.2, 13a2, 13b2; 8.3, 13a3, 13b3) for the injectors; and wind-direction-sensitive control elements for ensuring that at least the injector(s) best located to disperse and/or lift the gaseous effluent plume are supplied.Type: GrantFiled: February 12, 2015Date of Patent: October 9, 2018Assignee: SUEZ GROUPEInventors: Frederic Duong, Robert Kelly, Patrick Chantre
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Publication number: 20170007735Abstract: A device for dispersing foul gaseous effluent emissions released diffusely by sources located close to the ground, in particular by wastewater treatment ponds (10, 11, 12), includes: at least two auxiliary air or gas injectors (5a1, 5b1; 5a2, 5b2; 5a3, 5b3) oriented upwards and installed in opposing zones on the periphery of each foul gaseous effluent source, such as to disperse the gaseous effluents; separate supply elements (8.1, 13a1,13b1; 8.2, 13a2, 13b2; 8.3, 13a3, 13b3) for the injectors; and wind-direction-sensitive control elements for ensuring that at least the injector(s) best located to disperse and/or lift the gaseous effluent plume are supplied.Type: ApplicationFiled: February 12, 2015Publication date: January 12, 2017Inventors: Frederic DUONG, Robert KELLY, Patrick CHANTRE
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Patent number: 9534509Abstract: Device for improving the production of heat by cogeneration comprising a hot source producing steam which is expanded in a turbine the exhaust of which is connected to an air condenser (4) which removes heat, and comprising at least one second auxiliary condenser (5) in the form of a water condenser, the cooling liquid of this water condenser (5) being directed to a plant or equipment (B) in which its heat is extracted and used, then the liquid is returned to the water condenser; the water condenser (5) is incorporated into the air condenser (4).Type: GrantFiled: September 8, 2009Date of Patent: January 3, 2017Assignee: SUEZ ENVIRONNEMENTInventor: Frédéric Duong
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Patent number: 9399931Abstract: Cogeneration method, according to which a hot source (2) produces steam that is released in at least one turbine (3) having a low-pressure steam outlet (5) linked to a condenser; at least a fraction (Q) of the steam leaving the turbine (3) is directed towards a Venturi thermocompressor (14) into which a fluid having higher pressure and temperature than the outgoing steam is injected, resulting in a fluid having higher pressure and temperature than the outgoing steam, and this mixture is directed towards a second condenser (21) where the heat of the mixture is transferred to an auxiliary fluid of a circuit (23) external to the thermodynamic cycle.Type: GrantFiled: December 18, 2012Date of Patent: July 26, 2016Assignee: SUEZ ENVIRONMENTInventor: Frederic Duong
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Publication number: 20160181968Abstract: A device (D) for producing energy, from solar radiation (RS), intended for a building or industrial construction (1), includes, on the outside, at least one first wall (2) made up of translucent photovoltaic panels (4) and towards the inside some distance away from the first wall, a dark-coloured opaque second wall (3) positioned facing the first wall (2), a gap (5) being created between the first (2) and the second (3) wall, the energy being produced in electrical form by the photovoltaic panels (4) and in thermal form by the second wall (3) which recovers, in the form of hot air or hot water, some of the radiation that has passed through the first wall (2).Type: ApplicationFiled: March 1, 2016Publication date: June 23, 2016Inventor: Frederic Duong
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Patent number: 9344032Abstract: The invention relates to a power generation module (M1, M2, M3), using solar radiation, which includes a caisson (2) comprising: a first wall (3) exposed to solar radiation, at least partially made up of a photovoltaic panel (4) with the other part made up of at least one transparent plate (5) or separated photovoltaic cells; at least one second dark wall spaced apart from the inner surface of the first wall (3); an intake (9) for fresh or recycled air with a view to circulating air inside the caisson between the walls; and an outlet (13a) for the air that swept through the inside of the caisson and which was heated by the part of the radiation that passed through the first wall including the transparent plate, the power being generated as electricity by the photovoltaic panel and as thermal power using the heated air.Type: GrantFiled: January 25, 2011Date of Patent: May 17, 2016Assignee: SUEZ ENVIRONNEMENTInventor: Frédéric Duong
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Publication number: 20140318130Abstract: Cogeneration method, according to which a hot source (2) produces steam that is released in at least one turbine (3) having a low-pressure steam outlet (5) linked to a condenser; at least a fraction (Q) of the steam leaving the turbine (3) is directed towards a Venturi thermocompressor (14) into which a fluid having higher pressure and temperature than the outgoing steam is injected, resulting in a fluid having higher pressure and temperature than the outgoing steam, and this mixture is directed towards a second condenser (21) where the heat of the mixture is transferred to an auxiliary fluid of a circuit (23) external to the thermodynamic cycle.Type: ApplicationFiled: December 18, 2012Publication date: October 30, 2014Inventor: Frederic Duong
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Publication number: 20140151005Abstract: The invention relates to a method for extracting heat from an effluent (2) circulating in a conduit (1), especially a waste water collector, according to which a heat exchanger (E) is installed, at least in the bottom of the conduit, said heat exchanger (E) lying in the effluent and being formed by coating tubes (3) with sufficiently heat-conductive concrete cast around the tubes intended for the circulation of a heat-transfer fluid, the heat exchange with the effluent of the conduit being carried out through the moulded coating. The concrete (4) of the coating consists of a least 50 weigh % of silicon carbide, a load of needles made of a heat-conductive and mechanically resistant material, a binding agent and the remainder of alumina, metal powder or carbon.Type: ApplicationFiled: July 3, 2012Publication date: June 5, 2014Applicant: Lyonnaise Des Eaux FranceInventor: Frederic Duong
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Publication number: 20130058725Abstract: Disclosed is a system for extracting heat from an effluent duct (2), in particular a wastewater collection device, comprising, in the zones of the inner duct wall located above the effluent, heat exchanger tubes (3) which are exposed to the atmosphere in the duct and through which a heat transfer fluid flows to recover some of the sensible heat and of the latent condensation heat from the steam generated by the effluent. A forced-convection device (9) is provided to generate a movement of air sweeping across the surface of the effluent (1) and increase the evaporation rate of the effluent.Type: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Applicant: LYONNAISE DES EAUX FRANCEInventor: Frédéric Duong
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Publication number: 20130056191Abstract: Method for extracting heat from an effluent flowing in a duct (2), in particular a wastewater collection device. In said method, a heat exchanger (E) that is submerged in the effluent is mounted at least on the bottom of the duct, the heat exchanger (E) being formed by coating tubes (3) with a material that is sufficiently heat-conducting, is poured around the tubes, and hardens in situ. A heat transfer fluid flows in the tubes (3), the heat being transferred from the effluent in the duct through the molded coating, the upper surface of the poured material being in direct contact with the effluent flowing in the duct, but not with any inserted mechanical part.; The coating is composed of multiple layers having different material properties, i.e.Type: ApplicationFiled: April 20, 2011Publication date: March 7, 2013Applicant: LYONNAISE DES EAUX FRANCEInventor: Frédéric Duong
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Publication number: 20120312352Abstract: The invention relates to a power generation module (M1, M2, M3), using solar radiation, which includes a caisson (2) comprising: a first wall (3) exposed to solar radiation, at least partially made up of a photovoltaic panel (4) with the other part made up of at least one transparent plate (5) or separated photovoltaic cells; at least one second dark wall spaced apart from the inner surface of the first wall (3); an intake (9) for fresh or recycled air with a view to circulating air inside the caisson between the walls; and an outlet (13a) for the air that swept through the inside of the caisson and which was heated by the part of the radiation that passed through the first wall including the transparent plate, the power being generated as electricity by the photovoltaic panel and as thermal power using the heated air.Type: ApplicationFiled: January 25, 2011Publication date: December 13, 2012Applicant: SUEZ ENVIRONMENTInventor: Frédéric Duong
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Publication number: 20110232724Abstract: Device (D) for producing energy, from solar radiation (RS), intended for a building or industrial construction (1), comprising, on the outside, at least one first wall (2) made up of translucent photovoltaic panels (4) and towards the inside some distance away from the first wall, a dark-coloured opaque second wall (3) positioned facing the first wall (2), a gap (5) being created between the first (2) and the second (3) wall, the energy being produced in electrical form by the photovoltaic panels (4) and in thermal form by the second wall (3) which recovers, in the form of hot air or hot water, some of the radiation that has passed through the first wall (2).Type: ApplicationFiled: September 29, 2009Publication date: September 29, 2011Applicant: Suez EnvironnementInventor: Frédéric Duong
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Publication number: 20110203279Abstract: Device for improving the production of heat by cogeneration comprising a hot source producing steam which is expanded in a turbine the exhaust of which is connected to an air condenser (4) which removes heat, and comprising at least one second auxiliary condenser (5) in the form of a water condenser, the cooling liquid of this water condenser (5) being directed to a plant or equipment (B) in which its heat is extracted and used, then the liquid is returned to the water condenser; the water condenser (5) is incorporated into the air condenser (4).Type: ApplicationFiled: September 8, 2009Publication date: August 25, 2011Applicant: SUEZ ENVIRONNEMENTInventor: Frederic Duong