Patents Assigned to Linde GMBH
  • Patent number: 12128346
    Abstract: A pressure vessel comprising a cylindrical middle section, at a first end of which there is provided a top end cover, and at the second end of which there is provided a bottom end cover, the pressure vessel comprising an outer casing, wherein at least in the cylindrical middle section there is provided an insulation arrangement on the inside of the outer casing, the insulation arrangement comprising at least one insulation material layer, and a protective layer provided on the inside of the insulation arrangement, wherein at least one insulation material layer comprises a plurality of insulation material plates, especially ceramic fibre plates, and/or the protective layer comprises a plurality of protective plates, and wherein the cylindrical middle section is provided with a plurality of rings adapted to secure the at least one insulation layer and/or the protective layer to the outer casing.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 29, 2024
    Assignee: Linde GmbH
    Inventors: Alexander Gnadl, Verena Kramer
  • Patent number: 12121654
    Abstract: The present invention pertains to a device and corresponding method for determining information relating to the treatment of a patient, preferably relating to a patient having a respiratory disorder. The device comprises a fluid channel configured to be in fluid communication with a medical gas source at a first end and with a patient interface at a second end, a sensor arrangement having at least a first sensor for measuring a value of a first flow parameter in the channel and a second sensor for measuring a value of a second flow parameter in the channel, wherein the first sensor and the second sensor are spaced apart from each other along a longitudinal axis of the channel, and a control unit in communication with the first sensor and the second sensor. The control unit determines flow direction of a medical gas in the channel based on sensor measurements.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: October 22, 2024
    Assignee: LINDE GMBH
    Inventors: Mandip Thind, Brian Jacobsen, Dennis Reid
  • Patent number: 12111099
    Abstract: A method for processing a gas mixture containing nitrogen and methane, the gas mixture being at least partly liquefied using a mixed refrigerant circuit and is expanded in a storage tank, wherein: formed in the storage tank are a liquid phase, which is depleted in nitrogen and enriched with methane relative to the gas mixture, and a vapour phase, which is enriched with nitrogen and depleted in methane relative to the gas mixture; at least some of the vapour phase is compressed, at least partly liquefied, and subjected to low-temperature rectification; and formed in the low-temperature rectification are a top gas rich in nitrogen and lean in methane, and a bottom liquid lean in nitrogen and rich in methane. The invention provides that the partial liquefaction of the vapour phase is caused by cooling by means of heat exchange using the mixed refrigerant circuit.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: October 8, 2024
    Assignee: Linde GmbH
    Inventor: Daniel Garthe
  • Patent number: 12044471
    Abstract: 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.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 23, 2024
    Assignee: Linde GmbH
    Inventors: Stefan Lochner, Ralph Spöri, Reinhold Hölzl, Axel Lehmacher, Alexander Woitalka, Sven Schauder
  • Patent number: 12012377
    Abstract: The invention relates to a method for producing one or more olefins and one or more carboxylic acids, in which one or more paraffins is or are subjected to an oxidative dehydrogenation. For the oxidative dehydrogenation, a reactor (10) having a plurality of reaction zones (11, 12, 13) is used, a gas mixture comprising the one or more paraffins is successively passed through the reaction zones (11, 12, 13), and at least two of the reaction zones (11, 12, 13) are subject to varying temperature influences. The invention also relates to a corresponding system (100).
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: June 18, 2024
    Assignee: LINDE GmbH
    Inventors: Mathieu Zellhuber, Martin Schubert, Andreas Meiswinkel, Florian Winkler, Desislava Tota, Hans-Jörg Zander
  • Patent number: 11993551
    Abstract: A process (100) for the production of linear alpha-olefins is proposed, wherein ethylene in a feed mixture is subjected to catalytic oligomerization (1) to obtain a product mixture containing alpha-olefins with different chain length and side compounds. In a primary fractionation (2), a primary fraction is formed using at least part of the product mixture, and in a secondary fractionation (4), a secondary fraction is formed using at least part of the primary fraction. The primary fractionation (2) and the secondary fractionation (4) are carried out such that the primary fraction and the secondary fraction predominantly contain one of the alpha-olefins and are low in or free of other alpha-olefins, that the primary fraction contains one or more of the side compounds, and that the secondary fraction is depleted relative to the primary fraction in the one or more side compounds.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: May 28, 2024
    Assignee: LINDE GmbH
    Inventors: Florian Winkler, Richard Schneider, Florian Mündl
  • Patent number: 11976880
    Abstract: A method for low temperature separation of air using an air separating installation having a distillation column system which has a first, a second, a third and a fourth separating unit. Compressed and cooled air is fed into the first separating unit. An oxygen-enriched, nitrogen-depleted, argon-containing first sump liquid and a nitrogen-enriched, oxygen-depleted first head gas are formed by means of the first separating unit. An oxygen-rich second sump liquid and an argon-enriched second head gas are formed by means of the second separating unit. A liquid return to the second separating unit is provided by means of the third separating unit. A fourth sump liquid and a fourth head gas are formed by means of the fourth separating unit, and the fourth sump liquid is at least partially returned to the second separating unit.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: May 7, 2024
    Assignee: Linde GmbH
    Inventor: Stefan Lochner
  • Patent number: 11925895
    Abstract: The invention relates to a method and to a device for performing a process (P) having at least one heat-consuming process step (F). A first fluid (2), which arises in the process and contains acid gases and water vapor, is cooled indirectly against a second fluid (7), an acidic condensate thus being formed. The invention is characterized in that the first fluid (2) is cooled in at least two successive steps (E1, E2), between which heat for use in the heat-consuming process step (V) is indirectly drawn from the second fluid (10).
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: March 12, 2024
    Assignee: Linde GmbH
    Inventors: Martin Lang, Alexander Hirsch
  • Patent number: 11920873
    Abstract: The invention relates to a wound heat exchanger having a core tube extending along a longitudinal axis in an axial direction and having a tube bundle, which has a plurality of tubes for conducting a first fluid, wherein the tubes are wound about the core tube in a plurality of windings, the tubes being arranged in a radial direction perpendicular to the axial direction in a plurality of tube layers, adjacent windings of at least one tube layer having different axial distances in the axial direction and/or tube layers adjacent in the radial direction having different radial distances from each other in a cross-sectional plane perpendicular to the longitudinal axis. The invention further relates to a method for producing a wound heat exchanger and to a method for transferring heat between a first fluid and a second fluid by means of the heat exchanger.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: March 5, 2024
    Assignee: Linde GmbH
    Inventors: Manfred Steinbauer, Manfred Schönberger, Christoph Seeholzer, Florian Deichsel, Markus Romstätter
  • Patent number: 11919852
    Abstract: The invention relates to a process for separating a component mixture (K) comprising hydrogen, methane, hydrocarbons having two carbon atoms and hydrocarbons having three or more carbon atoms, wherein in a deethanization at least a portion of the component mixture (K) is subjected to a first partial condensation by cooling from a first temperature level to a second temperature level at a first pressure level to obtain a first gas fraction (G1) and a first liquid fraction (C1), at least a portion of the first gas fraction (G1) is subjected to a second partial condensation by cooling from the second temperature level to a third temperature level at the first pressure level to obtain a second gas fraction (G4) and a second liquid fraction (C2), and at least a portion of the first liquid fraction (C1) and at least a portion of the second liquid fraction (C2) are subjected to a rectification to obtain a third gas fraction (G3) and a third liquid fraction (C3+).
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: March 5, 2024
    Assignee: LINDE GmbH
    Inventors: Duc Tuat Pham, Benedikt Kurz
  • Patent number: 11892161
    Abstract: A burner module according to the invention comprises at least three or four or five or six or seven or eight functional walls which delimit at least one first functional space and form a module body, wherein the module body has at least three or four or five or six or six or seven gas passage openings and at least two of these gas passage openings are connected to one another communicatively via the first functional space, and wherein at least one nozzle device having a fuel gas opening is formed in an upper wall of the burner module, which fuel gas opening is connected communicatively to the first functional space via a gas channel. The burner module is produced in an additive manner.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: February 6, 2024
    Assignee: Linde GmbH
    Inventors: Heinz-Dieter Eßer, Matthias Riecker, Florian Lang, Fabian Neuner
  • Patent number: 11865614
    Abstract: According to the present invention a method is provided for feeding a gas flow to an additive manufacturing space during a manufacturing process wherein the gas flow is established by a pump connected to the manufacturing space wherein the pump is controlled by a set differential pressure, and wherein the gas flow consists of Helium or the gas flow consists of a gas mixture comprising 30 Vol.-% Argon and 70 Vol.-% Helium or the gas flow consists of a gas mixture comprising 50 Vol.-% Argon and 50 Vol.-% Helium or the gas flow consists of a gas mixture comprising 70 Vol.-% Argon and 30 Vol.-% Helium.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 9, 2024
    Assignee: LINDE GMBH
    Inventors: Camille Pauzon, Tanja Arunprasad, Andres Torres
  • Patent number: 11846468
    Abstract: The invention relates to a method for a low-temperature air separation in which an air separation unit is used comprising a first rectification column and a second rectification column. The first rectification column is operated at a first pressure level, and the second rectification column is operated at a second pressure level below the first pressure level. Fluid which is oxygen-enriched compared to atmospheric air is drawn from the first rectification column in the form of one or more first material flows. At least one fraction of the fluid which has been drawn from the first rectification column in the form of the one or more first material flows is heated in a heat exchanger; a fraction of the fluid which has been heated in the heat exchanger is compressed using a compressor and is returned to the first rectification column.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: December 19, 2023
    Assignee: Linde GmbH
    Inventors: Christian Kunz, Stefan Lochner, Wolfgang Haag, Lars Kirchner, Tobias Lautenschlager, Dimitri Golubev
  • Patent number: 11841194
    Abstract: The invention relates to a device (1) for use in the production of a tube bundle (3) of a wound heat exchanger (100), wherein tubes (30) are wound in a plurality of tube layers (4) onto a core tube (300) running in an axial direction (z), webs (10) which run in the axial direction (z) being arranged between the tube layers (4). The invention further relates to a method for producing a tube bundle using said device (1).
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: December 12, 2023
    Assignee: Linde GmbH
    Inventors: Manfred Schönberger, Roland Hiller, Christian Michael Herwerth
  • Patent number: 11834356
    Abstract: The invention relates to a process for treating a waste lye of a lye scrub using an oxidation reactor (100), the waste lye and oxygen or an oxygen-containing gas mixture being introduced into the oxidation reactor (100) and steam being introduced into the oxidation reactor (100). It is provided that the steam is at least partially introduced by means of a steam feeding device (10), which has a cylindrical section (11) with a centre axis (12) and a wall (13), the centre axis (12) being aligned perpendicularly, a number of groups of openings (14) being formed in the wall, each of the groups comprising a number of the openings (14), and the number of openings (14) of each of the groups being arranged in one or more planes (15) that is or are in each case aligned perpendicularly to the centre axis (12). A corresponding installation and also a corresponding oxidation reactor (100) are likewise the subject of the present invention.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: December 5, 2023
    Assignee: LINDE GmbH
    Inventors: Anton Wellenhofer, Jörg Zander, Ekaterina Ananieva, Florian Hairer, Michael Baus, Martin Schubert
  • Patent number: 11828281
    Abstract: The invention relates to a method for operating a piston compressor (100) having a reciprocating piston (111) in a cylinder (110), wherein an inlet valve (112) and an outlet valve (113) are provided in the cylinder (110) on the side of a medium (b) which is to be compressed and conveyed, wherein the reciprocating piston (111) is moved to and fro by way of a hydraulic drive (120, 121) with a hydraulic piston (120) with the use of a hydraulic medium (a) in a first volume (141), with which the reciprocating piston (111) is loaded on the side of the hydraulic drive (120, 121), wherein, if required, hydraulic medium (a) is fed into the first volume (141) and/or is discharged from the first volume (141) in a manner which is dependent on a position of the hydraulic piston (120) and/or a rotational angle ((p) of a shaft (121) which is provided for moving the hydraulic piston (120) in relation to a position (x) of the reciprocating piston (120) and/or a pressure (p) in the first volume (141), and to a piston compresso
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 28, 2023
    Assignee: Linde GmbH
    Inventors: Sascha Dorner, Christoph Nagl, Johannes Fritzer, Klaus Fischer
  • Patent number: 11806658
    Abstract: A method for operating a temperature swing adsorption plant having three adsorption units which are operated in an adsorption phase, a feed phase, a regeneration phase, a flush phase, and a cooling phase, wherein in the adsorption phase a first gas mixture at a first temperature is guided over an adsorbent in the adsorption units with obtention of a second gas mixture and adsorption onto the adsorbent of components of the first gas mixture, in the regeneration phase the adsorption units are heated and the components adsorbed by the adsorbent during the adsorption mode are at least partially desorbed, and in the flush phase the components which were desorbed during the regeneration mode are at least partially flushed using a third gas mixture with obtention of a fourth gas mixture. In the cooling phase, the adsorption units are at least partially cooled to the first temperature.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 7, 2023
    Assignee: Linde GmbH
    Inventors: Thomas Ried, Gabriel Salazar Duarte
  • Patent number: 11796134
    Abstract: A method for inhibiting the formation of carbonyl compounds in a gas cylinder containing carbon monoxide wherein the gas cylinder is in fluid communication with a valve assembly wherein the valve assembly connects to a threaded opening in the gas cylinder by a threaded assembly by coating interior and exterior components of the valve assembly selected from the group consisting of an inlet port, an outlet port, a diaphragm and a lower spindle with an amorphous hydrogenated silicon compound. A valve assembly containing the coated interior and exterior components is also disclosed.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: October 24, 2023
    Assignee: Linde GmbH
    Inventors: Paul Mittonette, David Milner, Ce Ma
  • Patent number: 11781079
    Abstract: A process for separating a component mixture comprising essentially hydrocarbons having two or two or more carbon atoms, methane and hydrogen using a distillation apparatus (10) is proposed. Fluid (a, c, e, g, i) from the component mixture is cooled stepwise to a first pressure level, with separation of first condensates (b, d, f, h, j) out of the fluid (a, c, e, g, i) in each case. Fluid (k) from the component mixture that remains in gaseous form thereafter is expanded to a second pressure level in an expander, giving a second condensate (l). Fluid from the first condensates (b, d, f, h, j) is expanded from the first pressure level to the second pressure level and fed together with the fluid from the second condensates into the distillation apparatus (10) which is being operated at the second pressure level. The present invention likewise provides a corresponding separation apparatus.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: October 10, 2023
    Assignee: LINDE GmbH
    Inventors: Torben Höfel, Duc Tuat Pham
  • Patent number: 11772036
    Abstract: A method for separating a gas mixture flow, n which uses a temperature-change adsorption plant having a number of adsorption units which are operated in a first and a second operating mode. The first operating mode comprises guiding a gas mixture flow at least in part through an adsorption chamber of an adsorption unit and subjecting this flow to an adsorptive exchange with at least one adsorbent. The second operating mode comprises guiding a first heat transfer fluid flow at a first temperature through a heat-exchange arrangement of an adsorption unit. The first operating mode also comprises guiding a second heat transfer fluid flow at a second temperature through the heat-exchange arrangement of the respective adsorption unit. The adsorption units are operated in a third operating mode which comprises guiding a third heat transfer fluid flow at a third temperature through the heat-exchange arrangement of the respective adsorption unit.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 3, 2023
    Assignee: Linde GmbH
    Inventors: Thomas Ried, Benedikt Schuerer, Gabriel Salazar Duarte