Patents by Inventor Cosimo Mazzotta
Cosimo Mazzotta 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: 9882230Abstract: A fuel cell stack has a multiplicity of individual cells, which each include an anode flow field, a membrane electrode arrangement, and a cathode flow field. Each flow field has a media inlet and channels for carrying the media. The anode flow fields and/or the cathode flow fields have the media inlet on their upward-facing side when used as intended, and are open on their downward-facing side when used as intended.Type: GrantFiled: October 9, 2013Date of Patent: January 30, 2018Assignee: Daimler AGInventors: Philipp Hausmann, Matthias Jesse, Cosimo Mazzotta
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Publication number: 20160006069Abstract: A housing for a fuel cell stack is disclosed. At least one wall has, at least in some sections, a structure which reinforces the wall. At least in a region with a reinforcing structure, at least one fastening point is formed for fastening at least one fuel cell system component and/or for supporting the housing in an installation space.Type: ApplicationFiled: November 14, 2013Publication date: January 7, 2016Applicant: Daimler AGInventors: Stefan GERHARDT, Cosimo MAZZOTTA, Joachim SEITZ, Quentin MORIN, Alfred HAUG, Christian SCHICK
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Publication number: 20150318562Abstract: A fuel cell stack has a multiplicity of individual cells, which each include an anode flow field, a membrane electrode arrangement, and a cathode flow field. Each flow field has a media inlet and channels for carrying the media. The anode flow fields and/or the cathode flow fields have the media inlet on their upward-facing side when used as intended, and are open on their downward-facing side when used as intended.Type: ApplicationFiled: October 9, 2013Publication date: November 5, 2015Inventors: Philipp HAUSMANN, Matthias JESSE, Cosimo MAZZOTTA
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Publication number: 20150180051Abstract: A fuel cell module includes at least one fuel cell stack with a housing. The at least one fuel cell stack is arranged, with a plurality of system components for conducting and/or conditioning the fluids for the supply of the at least one fuel cell stack, with a mechanical interface for fastening the fuel cell module to the vehicle. The mechanical interface is arranged on the housing, wherein the housing forms a carrier for the system components.Type: ApplicationFiled: March 27, 2013Publication date: June 25, 2015Inventors: Felix Blank, Simon Hollnaicher, Martin Keuerleber, Jan Martinec, Cosimo Mazzotta, Uwe Pfister, Michael Procter, Pavel Sarkady, Wolfgang Schmid, Holger Stark
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Patent number: 8993182Abstract: A fuel cell system includes at least one fuel cell and a circulation system for anode exhaust gases of the fuel cell around an anode region. The fuel cell system also includes a drain line for feeding liquid and water from the region of the circulation system into a process air flow to a cathode region of the fuel cell. The drain line opens into a line element for the process air flow which runs from a lower position into an upper position arranged higher when used properly in the direction of gravity. The flow of the process air runs from the lower position to the upper position of the line element.Type: GrantFiled: February 10, 2011Date of Patent: March 31, 2015Assignee: Daimler AGInventors: Stefan Gerhardt, Cosimo Mazzotta
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Publication number: 20150086886Abstract: A fuel cell stack arrangement includes a fuel cells arranged between a first and a second end plate. At least one of the end plates is designed as a channel end plate with at least one channel. The channel has a stack opening, which is opened in the direction of the stack, and a second opening. The stack opening and the second opening are connected to each other via a channel section and are arranged at a distance to each other in a top view looking down on the channel end plate.Type: ApplicationFiled: March 27, 2013Publication date: March 26, 2015Inventors: Felix Blank, Simon Hollnaicher, Martin Keuerleber, Jan Martinec, Cosimo Mazzotta, Uwe Pfister, Michael Procter, Pavel Sarkady, Wolfgang Schmid, Holger Stark
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Publication number: 20140315110Abstract: A method for operating a fuel cell system involves operating the fuel cell with recirculation of anode exhaust gas below a predefined maximum load limit of the fuel cell and operating the fuel cell without recirculation of the anode exhaust gas between the load limit and the full load of the fuel cell.Type: ApplicationFiled: August 29, 2012Publication date: October 23, 2014Applicant: Daimler AGInventors: Felix Blank, Steffen Dehn, Matthias Jesse, Cosimo Mazzotta, Martin Woehr
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Publication number: 20140308595Abstract: A fuel cell system includes at least one fuel cell, line elements for supplying and discharging starting materials and/or products to/from the fuel cell, and at least one condensation unit. The condensation unit is situated in at least one of the line elements and, at least in individual operating phases of the fuel cell, the condensation unit is at a lower temperature level than the areas surrounding it and the fuel cell.Type: ApplicationFiled: July 21, 2012Publication date: October 16, 2014Applicant: Daimler AGInventors: Thomas Baur, Matthias Jesse, Cyrill Lohri, Cosimo Mazzotta, Holger Richter, Klaus Scherrbacher, Christian Schick
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Publication number: 20140205925Abstract: A fuel cell system includes at least one fuel cell, water-conducting parts and components in the region of the supply and discharge of starting materials and products to and from the fuel cell, and at least one cooling circuit containing liquid cooling medium for cooling the fuel cell. The water-conducting parts and components are in thermal contact with the cooling medium, at least during individual operating phases of the fuel cell.Type: ApplicationFiled: July 21, 2012Publication date: July 24, 2014Applicant: Daimler AGInventors: Thomas Baur, Cosimo Mazzotta, Hans-Joerg Schabel
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Patent number: 8748047Abstract: In a method for operating a fuel cell system having recirculation blower arranged in a fuel cell circuit, fuel discharged from the anode exhaust is fed back to the inlet side of the fuel cell system via the recirculation blower. The direction of flow in the fuel return line is reversed in at least a portion of the return line, in an alternating manner.Type: GrantFiled: March 3, 2009Date of Patent: June 10, 2014Assignee: Daimler AGInventors: Thomas Baur, Cosimo Mazzotta, Andreas Knoop
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Publication number: 20130209902Abstract: A fuel cell system includes a fuel cell having a cathode chamber and an anode chamber. Exhaust gas from the anode chamber is conducted back to the inlet of the anode chamber in an anode circuit. A water separator is provided in the anode circuit, which is connected to a supply line to the cathode chamber by a drain line. A further water separator is arranged in the supply line upstream of the cathode chamber in the flow direction. The drain line flows into the supply line, upstream of the other water separator in the flow direction, or into the other water separator.Type: ApplicationFiled: August 24, 2011Publication date: August 15, 2013Applicant: Daimler AGInventor: Cosimo Mazzotta
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Publication number: 20130004866Abstract: A fuel cell system includes at least one fuel cell and a circulation system for anode exhaust gases of the fuel cell around an anode region. The fuel cell system also includes a drain line for feeding liquid and water from the region of the circulation system into a process air flow to a cathode region of the fuel cell. The drain line opens into a line element for the process air flow which runs from a lower position into an upper position arranged higher when used properly in the direction of gravity. The flow of the process air runs from the lower position to the upper position of the line element.Type: ApplicationFiled: February 10, 2011Publication date: January 3, 2013Applicant: Daimler AGInventors: Stefan Gerhardt, Cosimo Mazzotta
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Publication number: 20120058407Abstract: A cooling device for a fuel cell system includes at least one cooling circuit, through which a fuel cell can be cooled. The fuel cell system also includes a component with at least an electric drive area and a gas delivery area. A gas can be delivered to the fuel cell through the gas delivery area and the component is actively cooled. The cooling of the component takes place together with the cooling of the fuel cell in a cooling circuit.Type: ApplicationFiled: March 9, 2010Publication date: March 8, 2012Applicant: Daimier AGInventors: Oliver Harr, Cosimo Mazzotta, Armin Muetschele, Holger Richter, Hans-Joerg Schabel
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Publication number: 20120037657Abstract: A method serves for discontinuously emptying a container in which liquid collects. The container is emptied via a valve or other such emptying device. The container must never be completely emptied and never overflow. A sensor is arranged in the container to detect a first state in which liquid is present in a predetermined region and a second state in which no liquid is present in the predetermined region. The valve or other emptying device is activated as soon as the sensor detects the first state, and is stopped as soon as the sensor detects the second state.Type: ApplicationFiled: March 12, 2010Publication date: February 16, 2012Applicant: Daimler AGInventor: Cosimo Mazzotta
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Publication number: 20110189555Abstract: An apparatus for supplying a fuel cell in a fuel cell system with fuel gas is provided. The fuel cell system includes a mixing region, where unused fuel gas mixes with fresh fuel gas, a water precipitator, a device for the at least indirect heating of the supplied fresh fuel gas and at least one receptor for a sensor for sensing state variables and/or chemical magnitudes of the fuel gas flowing to the anode. The mixing region, water precipitator, device for the at least indirect heating and at least one sensor are combined in an integrated component part.Type: ApplicationFiled: August 27, 2009Publication date: August 4, 2011Applicants: Daimler AG, Ford Global Technologies, LLCInventors: Thomas Baur, Stefan Gerhardt, Oliver Harr, Matthias Jesse, Andreas Maier, Cosimo Mazzotta, Patrick A. Padgett, Hans-Joerg Schabel, Klaus Scherrbacher, Thomas Winkeler
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Publication number: 20110053013Abstract: In a method for operating a fuel cell system having recirculation blower arranged in a fuel cell circuit, fuel discharged from the anode exhaust is fed back to the inlet side of the fuel cell system via the recirculation blower. The direction of flow in the fuel return line is reversed in at least a portion of the return line, in an alternating manner.Type: ApplicationFiled: March 3, 2009Publication date: March 3, 2011Applicants: Daimler AG, Ford Global Technologies, LLCInventors: Thomas Baur, Cosimo Mazzotta, Andreas Knoop
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Publication number: 20080090124Abstract: A fuel cell system (10) includes at least one fuel cell (12) provided with an anode area (14) and a cathode area (18) which is separated from the anode area (14) by an electrolyte (16) and a first liquid separator (42). A liquid out (60) of the first liquid separator (42) is connected to a second liquid separator (44) or cathode gas discharge line (24) via a first bypass line (78).Type: ApplicationFiled: October 17, 2005Publication date: April 17, 2008Applicant: NUCELLSYS GmbHInventors: Roger-Marcelo Barleben, Uwe Limbeck, Cosimo Mazzotta, Hans-Joerg Pflugfelder, Manfred Strohmaier
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Publication number: 20070184319Abstract: A device for controlling the differential pressure between an anode area and a cathode area of a fuel cell has a differential pressure sensor for measuring the differential pressure between the anode area and the cathode area. A first actuator controls the flow of fuel into the anode area, and a control device regulates or controls the first actuator, on the basis of the signal of the differential pressure sensor.Type: ApplicationFiled: February 5, 2007Publication date: August 9, 2007Applicant: NuCellSys GmbHInventors: Uwe Limbeck, Cosimo Mazzotta, Uwe Pasera, Sven Schmalzriedt, Peter Wiesner