Patents by Inventor Hans Georg Conrads
Hans Georg Conrads 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: 11953358Abstract: The invention relates to a method for measuring a flow velocity (v) of a gas stream (14) featuring the steps: (a) time-resolved measurement of an IR radiation parameter (E) of IR radiation of the gas stream (14) at a first measurement point (P1) outside of the gas stream (14), thereby obtaining a first IR radiation parameter curve (Eg1,1(t)), (b)time-resolved measurement of an IR radiation parameter (E) at a second measurement point (P2) outside of the gas stream (14), thereby obtaining a second IR radiation parameter curve (Eg1,2(t)), (c) calculation of a transit time (?1) from the first IR radiation parameter curve (Eg1,1(t)) and the second IR radiation parameter curve (Eg1,2(t)), in particular by means of cross-correlation, and (d) calculation of the flow velocity (vG) from the transit time (?1), (e) wherein the IR radiation parameter (Eg1) is measured photoelectrically at a wavelength (g1) of at least 780 nm, and (f) a measurement frequency (f) is at least 1 kilohertz.Type: GrantFiled: September 24, 2019Date of Patent: April 9, 2024Inventor: Hans-Georg Conrads
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Patent number: 11300108Abstract: A wind turbine for generating electric energy including a tower equipped with rotatable nacelle with rotor which is rotatable about a horizontal rotational axis and which comprises an electric generator. The wind turbine additionally comprises a device for determining flow direction and speed of the wind and a device for or regulating the alignment of the rotor against the wind. The device for determining speed and flow direction comprises pair of receiving antennas, for obtaining electric signals using electrically influenced particles, molecules carried by the wind and are supplied to a correlation measurement device. Here, the time needed by the electrically influenced particles/molecules to traverse the distance between the receiving antennas of a pair of receiving antennas is determined. Subsequently, speed and flow direction of the wind are calculated in a computing device and are supplied to the device for controlling or regulating the alignment of the rotor.Type: GrantFiled: April 26, 2019Date of Patent: April 12, 2022Assignee: PROMECON process measurement control GmbHInventors: Hans Georg Conrads, Matthias Maede
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Publication number: 20220034696Abstract: The invention relates to a method for measuring a flow velocity (v) of a gas stream (14) featuring the steps: (a) time-resolved measurement of an IR radiation parameter (E) of IR radiation of the gas stream (14) at a first measurement point (P1) outside of the gas stream (14), thereby obtaining a first IR radiation parameter curve (Eg1,1(t)), (b)time-resolved measurement of an IR radiation parameter (E) at a second measurement point (P2) outside of the gas stream (14), thereby obtaining a second IR radiation parameter curve (Eg1,2(t)), (c) calculation of a transit time (?1) from the first IR radiation parameter curve (Eg1,1(t)) and the second IR radiation parameter curve (Eg1,2(t)), in particular by means of cross-correlation, and (d) calculation of the flow velocity (vG) from the transit time (?1), (e) wherein the IR radiation parameter (Eg1) is measured photoelectrically at a wavelength (g1) of at least 780 nm, and (f) a measurement frequency (f) is at least 1 kilohertz.Type: ApplicationFiled: September 24, 2019Publication date: February 3, 2022Inventor: Hans-Georg CONRADS
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Publication number: 20210363974Abstract: A wind turbine for generating electric energy including a tower equipped with rotatable nacelle with rotor which is rotatable about a horizontal rotational axis and which comprises an electric generator. The wind turbine additionally comprises a device for determining flow direction and speed of the wind and a device for or regulating the alignment of the rotor against the wind. The device for determining speed and flow direction comprises pair of receiving antennas, for obtaining electric signals using electrically influenced particles, molecules carried by the wind and are supplied to a correlation measurement device. Here, the time needed by the electrically influenced particles/molecules to traverse the distance between the receiving antennas of a pair of receiving antennas is determined. Subsequently, speed and flow direction of the wind are calculated in a computing device and are supplied to the device for controlling or regulating the alignment of the rotor.Type: ApplicationFiled: April 26, 2019Publication date: November 25, 2021Inventors: Hans Georg CONRADS, Matthias MAEDE
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Publication number: 20200292170Abstract: Device for controlling combustion process in power station furnace system, having burners (1) in combustion chamber. The combustion air is supplied via annular gap (3) surrounding burners which may influence quantity of combustion air flowing through the annular gap (3). Quantity of fuel supplied to burner (1) is recorded, and quantity of combustion air flowing through annular gap (3) is determined, for which two formed sensor rods (11, 12), arranged in the annular gap (3.1), successively and in parallel, preferably transversely to the longitudinal axis (4) of the annular gap and in the flow direction (7) of the combustion air flow, the sensor rods (11, 12) allow part of the combustion air to flow past the first sensor rod (12) in the flow direction (7) of the combustion air flow and also flows past the second sensor rod (11) in the flow direction (7) of the combustion air flow.Type: ApplicationFiled: October 5, 2018Publication date: September 17, 2020Inventors: Hans Georg CONRADS, Alexander HALM
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Patent number: 10697813Abstract: Microwave measuring arrangement for determining loading two-phase flow with gaseous carrier medium in tube of channel system (1) with small solid and/or liquid particles. Microwaves with frequencies between 0.95 and 1.05 times the frequency of waveguide fundamental wave, are coupled into an electrically conductive section of the tube/channel system (1), section being delimited by filed rods (4,4?) and acting as resonator, the shift in the resonant frequency of the resonator on account of loading of the medium with solid and/or liquid particles is determined. To suppress interference (reflected, diffracted and/or superimposed) in the tube/or channel system (1), two auxiliary field rods (6, 7 and 6?, 7?) assigned to each filed rod (4,4?) are provided, Auxiliary filed rods (6, 7 and 6?, 7) are arranged at an angle ? with respect to the field rod (4, 4?) of ?=+45°±10 and/or ?=?45°±10° and/or ?=+135°±10° and/or ?=?135°±.Type: GrantFiled: October 27, 2017Date of Patent: June 30, 2020Assignee: PROMECON process measurement control GmbHInventors: Hans Georg Conrads, Christian Dippner, I, Theodoros Tsifotidis
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Publication number: 20200064167Abstract: Microwave measuring arrangement for determining loading two-phase flow with gaseous carrier medium in tube of channel system (1) with small solid and/or liquid particles. Microwaves with frequencies between 0.95 and 1.05 times the frequency of waveguide fundamental wave, are coupled into an electrically conductive section of the tube/channel system (1), section being delimited by filed rods (4,4?) and acting as resonator, the shift in the resonant frequency of the resonator on account of loading of the medium with solid and/or liquid particles is determined. To suppress interference (reflected, diffracted and/or superimposed) in the tube/or channel system (1), two auxiliary field rods (6, 7 and 6?, 7?) assigned to each filed rod (4,4?) are provided, Auxiliary filed rods (6, 7 and 6?, 7) are arranged at an angle ? with respect to the field rod (4, 4?) of ?=+45°±10 and/or ?=?45°±10° and/or ?=+135°±10° and/or ?=?135°±.Type: ApplicationFiled: October 27, 2017Publication date: February 27, 2020Inventors: Hans Georg CONRADS, Christian DIPPNER, I, Theodoros TSIFOTIDIS
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Patent number: 9599340Abstract: Coal-fired power station with controller for air-fuel ratio in combustion of ground coal, with pneumatic conveying of ground coal to burners of power station. An electrode (10) with average radius rm with 0.1 mm?rm?1.2 mm arranged in channel carrying air in flow direction of air upstream of sensors (11) of correlation measurement device (12) at distance l with 1× unobstructed width of flow cross-section of the channel carrying the air<l<10× unobstructed width of the flow cross-section of the channel carrying the air in the region of the sensors (11). A counter electrode (13, 25) electrically operative relative to electrode (10) is arranged in upstream of sensors (11), and electrode (10) and counter electrode (13, 25) are connected with different poles of a high-voltage source (9) configured for providing a voltage U of 12 kV?U?20 kV.Type: GrantFiled: July 11, 2012Date of Patent: March 21, 2017Assignee: PROMECON Prozess-Und Messtechnik Conrads GmbHInventors: Hans Georg Conrads, Alexander Halm, Martin Bohm
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Publication number: 20140130723Abstract: Coal-fired power station with controller for air-fuel ratio in combustion of ground coal, with pneumatic conveying of ground coal to burners of power station. An electrode (10) with average radius rm with 0.1 mm?rm?1.2 mm arranged in channel carrying air in flow direction of air upstream of sensors (11) of correlation measurement device (12) at distance l with 1× unobstructed width of flow cross-section of the channel carrying the air<l<10× unobstructed width of the flow cross-section of the channel carrying the air in the region of the sensors (11). A counter electrode (13, 25) electrically operative relative to electrode (10) is arranged in upstream of sensors (11), and electrode (10) and counter electrode (13, 25) are connected with different poles of a high-voltage source (9) configured for providing a voltage U of 12 kV?U?20 kV.Type: ApplicationFiled: July 11, 2012Publication date: May 15, 2014Applicant: Promecon Prozess undMesstechnik Conrads GmbHInventors: Hans Georg Conrads, Alexander Halm, Martin Bohm
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Patent number: 7134350Abstract: An apparatus and a method for producing samples of a finely granular and dry material for measuring the residual carbon content thereof. The material is fed by a torque monitored conveyor screw to a measuring chamber and is progressively compacted therein. At an abrupt increase in screw torque feeding of the material ceases yielding a sample in the measuring chamber of a reproducible degree of compaction.Type: GrantFiled: February 5, 2002Date of Patent: November 14, 2006Assignee: Promecon Prozess- und Messtechnik Conrads GmbH.Inventors: Hans Georg Conrads, Volkhard Klupsch, Thomas Hoepfel
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Patent number: 6796196Abstract: An arrangement for measuring the carbon content of fly ash consisting of a modified coaxial resonator including an elongated arch-shaped member and an elongated conductor mounted coaxially therein and a generator for generating vibrations of variable frequency therebetween and a device for measuring attenuations in the vibrations for deriving a measure of the carbon content of ash moving between the arch-shaped member and the elongated member.Type: GrantFiled: September 4, 2002Date of Patent: September 28, 2004Assignee: PROMECON Prozess- & Messtechnik Conrads GmbH.Inventors: Hans Georg Conrads, Volkhard Klupsch
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Patent number: 6771080Abstract: A microwave measuring device for defining the load of a two-phase flow consisting of solids or liquid particles suspended in a gaseous medium transported in a predetermined direction within a feed duct of electrically conductive materials. Antennae for transmitting and receiving microwaves are penetrating into the feed duct at a predetermined spacing from each other and first and second rods are penetrating into the feed duct ahead of and behind the transmitting and receiving antennae to define, with the feed duct section delimited by them, a resonator. Auxiliary field rods ahead of and behind the first and second field rods short circuit microwaves input into the feed duct section which in consequence of reflection, diffraction or heterodyning have become distorted.Type: GrantFiled: December 23, 2002Date of Patent: August 3, 2004Assignee: Prozess - & Messtechnik Conrads GmbH.Inventors: Hans Georg Conrads, Volkhard Klupsch, Alexander Halm
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Publication number: 20040041553Abstract: An arrangement for measuring the carbon content of fly ash consisting of a modified coaxial resonator including an elongated arch-shaped member and an elongated conductor mounted coaxially therein and means for generating variable frequency vibrations therebetween and means for measuring attenuations in the vibrations for deriving a measure of the carbon content of ash moving between the arch-shaped member and the elongated member.Type: ApplicationFiled: September 4, 2002Publication date: March 4, 2004Inventors: Hans Georg Conrads, Volkhard Klupsch
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Publication number: 20030117149Abstract: A microwave measuring device for defining the load of a two-phase flow consisting of solids or liquid particles suspended in a gaseous medium transported in a predetermined direction within a feed duct of electrically conductive materials. Antennae for transmitting and receiving microwaves are penetrating into the feed duct at a predetermined spacing from each other and first and second rods are penetrating into the feed duct ahead of and behind the transmitting and receiving antennae to define, with the feed duct section delimited by them, a resonator. Auxiliary field rods ahead of and behind the first and second field rods short circuit microwaves input into the feed duct section which in consequence of reflection, diffraction or heterodyning have become distorted.Type: ApplicationFiled: December 23, 2002Publication date: June 26, 2003Inventors: Hans Georg Conrads, Volkhard Klupsch, Alexander Halm
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Publication number: 20020105341Abstract: An apparatus and a method for producing samples of a finely granular and dry material for measuring the residual carbon content thereof. The material is fed by a torque monitored conveyor screw to a measuring chamber and is progressively compacted therein. At an abrupt increase in screw torque feeding of the material ceases yielding a sample in the measuring chamber of a reproducible degree of compaction.Type: ApplicationFiled: February 5, 2002Publication date: August 8, 2002Inventors: Hans Georg Conrads, Volkhard Klupsch, Thomas Hoepfl
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Patent number: 6109097Abstract: A method of determining the quantity of particulate matter suspended in a carrier gas in a pipe by measuring the frequency shift over a substantially linear range of an attenuation curve below the cut-off frequency for wave propagation, the curve being derived from measuring the attenuation of an electric field established in a conductive pipe substantially free of wave propagation.Type: GrantFiled: July 6, 1998Date of Patent: August 29, 2000Assignee: PROMECON Prozess- und Messtechnik Conrads GmbHInventors: Hans Georg Conrads, Volkhard Klupsch