166 patents
Page 5 of 9
Utility
Method for Operating a Heat Exchanger, Arrangement with a Heat Exchanger, and System with a Corresponding Arrangement
6 Oct 22
A method for operating a heat exchanger, in which a first operating mode is carried out in first time periods, and a second operating mode is carried out in second time periods that alternate with the first time periods; in the first operating mode a first fluid flow is formed at a first temperature level, is fed into the heat exchanger in a first region at the first temperature level, and is partially or completely cooled in the heat exchanger; in the first operating mode a second fluid flow is formed at a second temperature level, is fed into the heat exchanger in a second region at the second temperature level, and is partially or completely heated in the heat exchanger.
Stefan LOCHNER, Ralph SPÖRI, Axel LEHMACHER, Pascal FREKO, Paul HEINZ, Felix RÖßLER
Filed: 18 Aug 20
Utility
Transition Component Having Insulation
6 Oct 22
A transition component for connecting components of a chemical or process engineering plant, wherein the transition component has a first material piece made from a first material and second material piece made from a second material, wherein the first material and the second material cannot be connected to each other by fusion welding, the first material piece and the second material piece forming a hollow body, the transition component having a radially interior inner side and a radially exterior outer side, the first material piece being connected to the second material piece by at least one intermediate material layer and the transition component having at least one insulation layer, wherein the insulation layer extends at least in part over the inner side and/or the outer side of the transition component, and a core-in-shell heat exchanger and a cold box having the transition component.
Reinhold HÖLZL, Manfred SCHÖNBERGER, Thomas ENGLERT
Filed: 12 Nov 20
Utility
Plate Heat Exchanger, Process Engineering Plant and Method
6 Oct 22
The invention relates to a plate heat exchanger for a process engineering plant, comprising a heat exchanger block which has a plurality of alternatingly arranged heating surface elements and separating plates, wherein the separating plates are soldered to the heating surface elements with the aid of solder layers provided at the separating plates, and wherein, in at least a part of the separating plates, the solder layers comprise at least two soldered areas that differ in terms of the alloy composition thereof.
Thomas ENGLERT
Filed: 1 Oct 20
Utility
Apparatus for Dissolving Gas into a Liquid and Method for Producing the Same
29 Sep 22
An apparatus for dissolving gas into a liquid, comprising a housing with an inlet opening for the liquid and an outlet opening for the liquid, and a blade unit arranged inside the housing in a small cross section area between the inlet opening and the outlet opening, wherein a flow cross section for the liquid at the small cross section area is smaller than at the inlet opening, further comprising a gas inlet provided at an outside of the housing and at least one gas outlet provided in the housing on a surface of the blade unit, the at least one gas outlet being connected to the gas inlet by means of a channel, and to a method for producing such an apparatus and an use of such an apparatus.
Kenneth GLOMSET
Filed: 14 Jul 20
Utility
Process and Plant for Producing Liquefied Natural Gas
29 Sep 22
A process for producing liquefied natural gas, in which natural gas feed having methane and higher hydrocarbons including benzene is cooled down to a first temperature level in a first cooling step using a first mixed coolant and then subjected to a countercurrent absorption using an absorption liquid to form a methane-enriched and benzene-depleted gas fraction, wherein a portion of the gas fraction is cooled down to a second temperature level in a second cooling step using a second mixed coolant and liquefied to give the liquefied natural gas.
Heinz BAUER, Michael WARTER
Filed: 10 Jul 20
Utility
Transport container with coolable thermal shield
13 Sep 22
The invention relates to a transport container (1) for helium (He), comprising an inner container (6) for receiving the helium (He); a coolant container (14) for receiving a cryogenic fluid (N2); an outer container (2) in which the inner container (6) and the coolant container (14) are received; a thermal shield (21) in which the inner container (6) is received and which can be actively cooled using the cryogenic fluid (N2), said thermal shield (21) having at least one cooling line (26) which is fluidically connected to the coolant container (14) and in which the cryogenic fluid (N2) can be received in order to actively cool the thermal shield (21); and at least one return line (34, 35), by means of which the at least one cooling line (26) is fluidically connected to the coolant container (14) in order to return the cryogenic fluid (N2) back to the coolant container (14).
Posselt Heinz, Juergen Bichlmeier, Niels Treuchtlinger, Teodor Todorov
Filed: 5 Dec 18
Utility
Torch for Arc Welding or Cutting and Method Using Said Torch
1 Sep 22
The invention relates to a torch for plasma processing.
Erwan SIEWERT, Nakhleh A. HUSSARY, Richard Andreas WAGNER
Filed: 20 Aug 20
Utility
Method and Facility for Producing a Target Compound
18 Aug 22
Disclosed is a method for producing a target compound, in which a first gas mixture includes an olefin having a first carbon number and carbon monoxide, a second gas mixture formed using the first gas mixture and containing the olefin, hydrogen and carbon monoxide, is subjected to conversion steps to obtain a third gas mixture containing a compound with a second carbon number and at least carbon monoxide The conversion includes hydroformylation.
Andreas MEISWINKEL, Hans-Jörg ZANDER, Ernst HAIDEGGER, Isabel KIENDL
Filed: 16 Jul 20
Utility
Method and System for Obtaining Components from Natural Gas
18 Aug 22
The invention relates to a method for obtaining natural gas components, wherein, using natural gas, a feed mixture containing methane and helium is provided and subjected to a separating sequence so as to obtain a natural gas product which is enriched with methane and depleted of helium in comparison to the feed mixture and a helium product which is depleted of methane and enriched with helium in comparison to the feed mixture, which method comprises one or more membrane separating steps and one or more pressure change adsorption steps.
Tobias KELLER, Christian VOSS, Gabriel SALAZAR DUARTE, Stefan PLEINTINGER, Patrick SCHIFFMANN, Verena KRAMER
Filed: 22 Sep 20
Utility
Process and Plant for Low-temperature Fractionation of Air
18 Aug 22
A SPECTRA process for low-temperature fractionation of air, in which bottoms liquid from an additional second rectification column used to obtain oxygen is evaporated in a second condenser-evaporator.
Stefan LOCHNER, Dimitri GOLUBEV
Filed: 24 Nov 20
Utility
Method for Monitoring a Process Engineering Installation, and Process Engineering Installation
11 Aug 22
The invention relates to: a method for monitoring a process engineering installation, in which a model of the process engineering installation is used to ascertain values of at least one performance parameter of the process engineering installation from actual values of at least one operating parameter of the process engineering installation that occur during operation of the process engineering installation, wherein the model is used to ascertain comparison values of the at least one performance parameter of the process engineering installation from setpoint values of the at least one operating parameter, and wherein mutually corresponding values and comparison values of the at least one performance parameter are taken as a basis for ascertaining at least one performance gap in the operation of the process engineering installation and to a process engineering installation.
Michael KOCH, Oliver SLABY
Filed: 5 Oct 20
Utility
Device for Cleaning and Cooling a Workpiece Upon Wire-arc Additive Manufacturing (Waam)
11 Aug 22
A device for wire-arc additive manufacturing, including a welding torch configured to generate an arc for generating a weld pool on a surface of a workpiece, and a wire feeder configured to feed a wire towards the weld pool to generate a weld seam on said surface.
Jürgen SCHOLZ, Frédéric THIOLLIER
Filed: 19 May 20
Utility
Method for Operating a Heat Exchanger, Arrangement with a Heat Exchanger, and System with a Corresponding Arrangement
11 Aug 22
A method for operating a heat exchanger, in which a first operating mode is carried out in first time periods, and a second operating mode is carried out in second time periods that alternate with the first time periods; in the first operating mode a first fluid flow is formed at a first temperature, is fed into the heat exchanger in a first region at the first temperature, and is partially or completely cooled in the heat exchanger; in the first operating mode a second fluid flow is formed at a second temperature, is fed into the heat exchanger in a second region at the second temperature, and is partially or completely heated in the heat exchanger; and in the second operating mode the feeding of the first fluid flow and of the second fluid flow into the heat exchanger is partially or completely halted.
Stefan LOCHNER, Ralph SPÖRI, Reinhold HÖLZL, Axel LEHMACHER, Alexander WOITALKA, Sven SCHAUDER
Filed: 27 Mar 20
Utility
Method for Operating a Process Plant
4 Aug 22
A method for operating a process plant using a dynamic model of the process plant, the dynamic model being based on at least one of thermo fluidic correlations, thermo dynamic correlations, phenomenological correlations, and equations, and being based on geometry and/or topology of components of the process plant, the dynamic model receiving process parameters as input values, the dynamic model being adapted to represent a transition from one to another state of the process plant, wherein the dynamic model is used in an online mode, in which the dynamic model is used in parallel with the operation of the process plant, wherein signals from a control system of the process plant, the signals representing values of at least one first process parameter, are received and fed into the dynamic model.
Florian SCHLIEBITZ, Ingo THOMAS, Bernd WUNDERLICH, Martin POTTMANN, Anna ECKER
Filed: 22 Oct 20
Utility
Method for Configuring a Control System for a Process Plant
4 Aug 22
A method for configuring a control system for a process plant using a dynamic model of the process plant, the dynamic model being based on at least one of thermo fluidic correlations, thermo dynamic correlations, phenomenological correlations, and equations, and being based on geometry and/or topology of components of the process plant, the dynamic model receiving process parameters as input values, the dynamic model being adapted to represent a transition from one to another state of the process plant and the dynamic model covering the entire operating range of the process plant wherein the dynamic model is used in an offline mode, in which the dynamic model is used in stand-alone fashion, wherein, based on input and output values of the dynamic model, a behaviour of the process plant is predicted, and wherein, based on the predicted behaviour of the process plant, the control system is configured.
Florian SCHLIEBITZ, Ingo THOMAS, Bernd WUNDERLICH, Martin POTTMANN, Anna ECKER
Filed: 22 Oct 20
Utility
Method and Plant for Producing a Carbon-monoxide-rich Gas Product
28 Jul 22
A method for producing a carbon-monoxide-rich gas product, in which method at least carbon dioxide is subjected to electrolysis, so as to obtain an untreated gas comprising at least carbon monoxide and carbon dioxide, and in which method the untreated gas is subjected to a separation process, which comprises an adsorption and membrane separation, so as to obtain a recycling stream, which comprises the major part of the carbon dioxide contained in the untreated gas, a residual gas, and the carbon-monoxide-rich gas product.
Andreas PESCHEL, Benjamin HENTSCHEL
Filed: 22 Sep 20
Utility
Directly Electrical Heated Reactor
28 Jul 22
The invention relates to a reactor comprising a moving bed of solid particles that move in the direction of gravitation, and to a method for heating a reactor that comprises a moving bed, for the purpose of pyrolysis reactions.
Heinz POSSELT, Otto MACHHAMMER, Markus WEIKL, Nicolai ANTWEILER, Karsten BÜKER
Filed: 27 May 20
Utility
Method and Facility for Producing a Target Compound
28 Jul 22
The invention relates to a method (100) for producing a target compound, wherein a paraffin is subjected to an oxidative dehydrogenation (1) with oxygen to obtain an olefin, and wherein the olefin is subjected to a hydroformylation (2) with carbon monoxide to obtain an aldehyde, wherein the paraffin and the olefin have a carbon chain having a first carbon number and the aldehyde has a carbon chain having a second carbon number which is one greater than the first carbon number.
Andreas MEISWINKEL, Hans-Jörg ZANDER, Ernst HAIDEGGER
Filed: 16 Jul 20
Utility
Quick-change System for Shielding-gas Drag Nozzles
21 Jul 22
The invention relates to a device for replaceably fastening a gas nozzle, comprising an elongate support element which has a nozzle portion for fastening a gas nozzle and is provided with a curved mounting portion, and a holding component which is provided with at least one recess which is shaped in such a way that the mounting portion of the support element can be inserted into the recess so as to produce a form-fitting engagement between the support element and the holding component.
Michael PFREUNTNER
Filed: 19 May 20
Utility
Method and System for Low-temperature Air Separation
21 Jul 22
A method for low-temperature air separation, in which an air-separation system having a column system is used that has a first column, a second column, a third column, and a fourth column, wherein fluid from the first column is fed at least into the second column, fluid from the second column is fed at least into the third column, fluid from the third column is fed at least into the fourth column, and fluid from the fourth column is fed at least into the third column, and wherein the fluid fed from the third column into the fourth column includes at least a portion of a side flow, which is withdrawn from the third column and has a lower oxygen content and a higher argon content than the third sump liquid.
Dimitri GOLUBEV
Filed: 6 May 20