Patents by Inventor Norbert Pieper
Norbert Pieper 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: 9574462Abstract: The invention relates to a method for operating a power plant, wherein in partial load operation the increase of temperature results at the outlet of the high-pressure turbine section as a consequence of a throttling by means of the intermediate pressure valve.Type: GrantFiled: March 27, 2013Date of Patent: February 21, 2017Assignee: Siemens AktiengesellschaftInventors: Gunter Bauer, Norbert Pieper, Hans-Ulrich Thierbach, Michael Wechsung
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Publication number: 20160115869Abstract: A method for operating a combined cycle power plant includes additional burners being arranged in the waste heat boiler, the burners being supplied with secondary air from the gas turbine, the gas turbine is operated without a supply of fuel, and driving is effected by means of a start-up inverter. A plant includes a waste heat boiler, additional burners for generating thermal energy being arranged within the waste heat boiler, a gas turbine designed such that the necessary air mass flow for the additional burners can be supplied by the gas turbine, wherein the gas turbine is operated without a supply of fuel, the plant further including a start-up inverter, wherein driving is effected by means of the start-up inverter.Type: ApplicationFiled: May 21, 2014Publication date: April 28, 2016Applicant: Siemens AktiengesellschaftInventors: Matthias Migl, Norbert Pieper
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Patent number: 9267394Abstract: A steam turbine plant has a steam turbine and an inlet steam collection line with an inlet steam collection line segment is provided. The inlet steam collection line supplies a steam consumer and is introduced into outlet steam flow of the steam turbine at an inlet steam introduction point of the inlet steam collection line segment. A supply steam device has a switching armature for connecting the supply steam device to the inlet steam collection line segment upstream of the inlet steam introduction point. The armature is triggered and switched such that if outlet steam pressure in the inlet steam collection line segment is lower than target pressure, the inlet steam collection line segment is connected to the supply steam device for conducting steam and disconnected between the armature and the inlet steam introduction point, otherwise the supply steam device is separated from the inlet steam collection line segment.Type: GrantFiled: October 12, 2011Date of Patent: February 23, 2016Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Norbert Pieper, Michael Wechsung
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Publication number: 20150113989Abstract: The invention relates to a method for operating a power plant, wherein in partial load operation the increase of temperature results at the outlet of the high-pressure turbine section as a consequence of a throttling by means of the intermediate pressure valve.Type: ApplicationFiled: March 27, 2013Publication date: April 30, 2015Applicant: Siemens AktiengesellschaftInventors: Gunter Bauer, Norbert Pieper, Hans-Ulrich Thierbach, Michael Wechsung
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Publication number: 20140199161Abstract: A cooling mechanism for a steam turbine is provided, which has, in the area of the valve connection a cooling channel, into which cooling steam flows from the flow channel, the steam then being fed as cooling steam in the area of the thrust balance piston.Type: ApplicationFiled: August 1, 2012Publication date: July 17, 2014Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Martina Holder, Christian Lenz, Norbert Pieper, Rudolf Potter, Dominic Schlehuber, Uwe Zander
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Patent number: 8776520Abstract: A method for operating a steam power station is provided. The steam turbine power station includes at least one steam turbine and a process steam consumer, wherein a steam mass flow is subdivided into a first partial mass flow and a second partial mass. In a first operating state, the first partial mass flow is supplied to the steam turbine and the second partial mass flow is supplied to the process steam consumer. In a second operating state, at least part of the second partial mass flow is supplied to the steam turbine at least after the first turbine stages. A steam power station is also provided.Type: GrantFiled: May 4, 2009Date of Patent: July 15, 2014Assignee: Siemens AktiengesellschaftInventors: Ulrich Beul, Stefan Glos, Matthias Heue, Thomas Hofbauer, Ralf Hoffacker, Nils Lückemeyer, Norbert Pieper, Roland Sievert
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Publication number: 20140150431Abstract: A steam power plant includes a multi-stage steam turbine including a rotor and a flow duct formed from a plurality of stages, a boiler, and a first cooling medium supply. The first cooling medium supply opens out into the flow duct of the steam turbine downstream of an intermediate stage. The rotor comprises a first component and a second component. The second component is arranged downstream of the first component as viewed in the flow direction. The intermediate stage is arranged downstream of the first component.Type: ApplicationFiled: February 10, 2014Publication date: June 5, 2014Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Stefan Glos, Matthias Heue, Ernst-Wilhelm Pfitzinger, Norbert Pieper
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Patent number: 8713941Abstract: A method for operating a multi-step steam turbine operating in high temperature conditions is provided. The rotor is embodied as a welded construction including a first component and a second component. A coolant is supplied to the steam turbine after an intermediate state when the steam turbine is in the light-load or no-load phase. As a result, the thermal loads in the outflow area of the steam turbine are reduced.Type: GrantFiled: February 15, 2008Date of Patent: May 6, 2014Assignee: Siemens AktiengesellschaftInventors: Stefan Glos, Matthias Heue, Ernst-Wilhelm Pfitzinger, Norbert Pieper
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Patent number: 8621866Abstract: A steam power unit including a double-flow medium pressure turbine section that is fluidically connected to a low pressure turbine section is provided. A flow section of the medium pressure turbine section is configured to supply an external steam consumer. A throttle valve for adjusting the pressure in the steam extraction line is arranged only in a turbine discharge line.Type: GrantFiled: June 9, 2009Date of Patent: January 7, 2014Assignee: Siemens AktiengesellschaftInventors: Norbert Pieper, Rudolf Pötter
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Patent number: 8550773Abstract: A steam turbine having an exhaust-steam casing for directing an exhaust-steam mass flow, a shaft bearing for mounting a turbine shaft, and at least two bearing struts, by means of which the shaft bearing is fastened to the exhaust-steam casing, is characterized according to the invention in that each of the at least two bearing struts has a cooling cavity arranged in the respective bearing strut for directing a coolant, and the cooling cavities of the at least two bearing struts are connected in a fluidically conductive manner via a closed-off connecting cavity in the region of the shaft bearing.Type: GrantFiled: November 30, 2006Date of Patent: October 8, 2013Assignee: Siemens AktiengesellschaftInventors: Henning Almstedt, Stefan Essink, Norbert Pieper, Mark-Andre Schwarz, Kais Sfar
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Publication number: 20130205749Abstract: A steam turbine plant has a steam turbine and an inlet steam collection line with an inlet steam collection line segment is provided. The inlet steam collection line supplies a steam consumer and is introduced into outlet steam flow of the steam turbine at an inlet steam introduction point of the inlet steam collection line segment. A supply steam device has a switching armature for connecting the supply steam device to the inlet steam collection line segment upstream of the inlet steam introduction point. The armature is triggered and switched such that if outlet steam pressure in the inlet steam collection line segment is lower than target pressure, the inlet steam collection line segment is connected to the supply steam device for conducting steam and disconnected between the armature and the inlet steam introduction point, otherwise the supply steam device is separated from the inlet steam collection line segment.Type: ApplicationFiled: October 12, 2011Publication date: August 15, 2013Inventors: Norbert Pieper, Michael Wechsung
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Patent number: 8387388Abstract: The invention relates to a method for increasing the steam mass flow of a high-pressure steam turbine of a steam power plant, particularly a steam power plant including reheating, during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, wherein at least one electric consumer is connected upstream of a generator of the steam power plant before synchronization with a power supply grid. The invention further relates to a steam power plant, comprising a generator, a high-pressure steam turbine, and at least one electric consumer, which can also be connected during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, in order to increase a steam mass flow of the high-pressure steam turbine before a synchronization process of the generator with a power supply grid.Type: GrantFiled: December 19, 2007Date of Patent: March 5, 2013Assignee: Siemens AktiengesellschaftInventors: Stefan Glos, Matthias Heue, Ernst-Wilhelm Pfitzinger, Norbert Pieper
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Publication number: 20120169231Abstract: A circuit arrangement for operating at least one light emitting diode, in particular for a motor vehicle, includes: a communications device which is connectable to a data bus and which is adapted for receiving control signals from the data bus; a control device connected to the communications device; and a control circuit connected to the control device for the clocked control of a switching regulator which is adapted for providing an operating current for operating the light emission diode, with the control device being adapted for controlling the control circuit on the basis of the control signals received by the communications device.Type: ApplicationFiled: November 3, 2011Publication date: July 5, 2012Applicant: VISHAY ELECTRONIC GMBHInventors: Mustafa Dinc, Norbert Pieper
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Patent number: 8191555Abstract: The invention relates to a heating device (9), for a mobile inhalation unit for the inhalation of active agents, comprising a heating wire (15), with two connector ends (23, 31) for the introduction of electrical energy and a thermal reservoir (13, 17) for heating air flowing along the thermal reservoir, whereby the thermal reservoir may be heated by means of the heating wire. The heating wire has a temperature coefficient of at least 0.001 K?1. The invention further relates to an inhalation unit with such a heating device and a method for heating a thermal reservoir on such a heating device.Type: GrantFiled: December 16, 2005Date of Patent: June 5, 2012Assignee: Vishay Electronic GmbHInventors: Ernst Herbrich, Otto Hampl, Norbert Pieper
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Publication number: 20120026737Abstract: The invention relates to an outdoor lighting unit for lighting streets, pavements, industrial grounds, and the like, comprising one LED light source which includes several light emitting diodes in a two-dimensional array, and a housing. The housing has a single-piece solid housing element, which has at least one planar assembly section on an underside, on which a backside of the LED light source is arranged in heat-conducting connection in a planar manner. The housing element further has on said underside a circumferential wall section, which projects downwardly from the plane of the assembly section. Further, the housing element comprises an exposed cooling section on an upper side, which is convexly curved and has several cooling channels, which extend along the convex curvature. The housing element also comprises a holding portion, by means of which the lighting unit can be secured to a holding device in a self-supporting manner.Type: ApplicationFiled: March 30, 2010Publication date: February 2, 2012Applicant: VISHAY ELECTRONIC GMBHInventors: Mustafa Dinc, Norbert Pieper, Gerd Schnorrenberg
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Publication number: 20110204386Abstract: A package for an electronic component and method of forming a package for an electronic component are disclosed. The package may include a metal base and a termination chip coupled to the metal base. The termination chip may include a die contact pad electrically coupled to a mounting pad and an isolating feature configured to provide electrical isolation between the metal base and the die contact pad. The contact may be configured for electrical connection to the electronic component. The metal base may be folded to form a molding cavity. The metal base may include at least one plating layer. The package may include a light emitting diode (LED) coupled to the metal base. The LED may be coupled to the metal base via a eutectic bond.Type: ApplicationFiled: January 25, 2011Publication date: August 25, 2011Applicant: VISHAY SPRAGUE, INC.Inventors: Dani Alon, Clark L. Smith, Todd L. Wyatt, Rodney J. Brune, Mustafa Dinc, Norbert Pieper
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Publication number: 20110179792Abstract: A steam power unit including a double-flow medium pressure turbine section that is fluidically connected to a low pressure turbine section is provided. A flow section of the medium pressure turbine section is configured to supply an external steam consumer. A throttle valve for adjusting the pressure in the steam extraction line is arranged only in a turbine discharge line.Type: ApplicationFiled: June 9, 2009Publication date: July 28, 2011Inventors: Norbert Pieper, Rudolf Pötter
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Publication number: 20110156910Abstract: A method of monitoring a container that holds goods, in which one or more surfaces of the container have an electrically conductive material that acts as a sensor to detect state changes in physical properties of the container, comprises obtaining state information from the electrically conductive material and determining a position of the container. The method further comprises associating the state information with the position of the container, detecting data about the goods from an RFID tag located on the goods via an antenna that is installed around the opening edge of the container when the goods are loaded into the container and passed by the antenna, and transmitting at least one of the state information, the position of the container or the data about the goods to a data processing unit.Type: ApplicationFiled: June 21, 2005Publication date: June 30, 2011Inventors: Norbert Pieper, Rainer Henss, Michael Schmidt
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Publication number: 20110100008Abstract: A method for operating a steam power station is provided. The steam turbine power station includes at least one steam turbine and a process steam consumer, wherein a steam mass flow is subdivided into a first partial mass flow and a second partial mass. In a first operating state, the first partial mass flow is supplied to the steam turbine and the second partial mass flow is supplied to the process steam consumer. In a second operating state, at least part of the second partial mass flow is supplied to the steam turbine at least after the first turbine stages. A steam power station is also provided.Type: ApplicationFiled: May 4, 2009Publication date: May 5, 2011Inventors: Ulrich Beul, Stefan Glos, Matthias Heue, Thomas Hofbauer, Ralf Hoffacker, Nils Lückemeyer, Norbert Pieper, Roland Sievert
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Publication number: 20110005224Abstract: A method for operating a multi-step steam turbine operating in high temperature conditions is provided. The rotor is embodied as a welded construction including a first component and a second component. A coolant is supplied to the steam turbine after an intermediate state when the steam turbine is in the light-load or no-load phase. As a result, the thermal loads in the outflow area of the steam turbine are reduced.Type: ApplicationFiled: February 15, 2008Publication date: January 13, 2011Inventors: Stefan Glos, Matthias Heue, Ernst-Wilhelm Pfitzinger, Norbert Pieper