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Linde Aktiengesellschaft patents


Recent patent applications related to Linde Aktiengesellschaft. Linde Aktiengesellschaft is listed as an Agent/Assignee. Note: Linde Aktiengesellschaft may have other listings under different names/spellings. We're not affiliated with Linde Aktiengesellschaft, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Linde Aktiengesellschaft-related inventors


Device and method for welding a first pipe segment to a second pipe segment

The invention relates to a device (1) for welding a first pipe segment (2) to a second pipe segment (3), wherein the device (1) can be inserted into the first and the second pipe segments (2, 3) along a longitudinal axis (l) of the device. Said device (1) has the following: a contact apparatus (6), which has a plurality of contact segments (7, 9), which can be moved radially with respect to the longitudinal axis (l) of the device (1) in order to bring the device in contact with the inside of the first pipe segment (2) and the second pipe segment (3), and a transmission apparatus (26), which is designed to convert an axial movement of the contact segments (7, 9) along the longitudinal axis (l) into the radial movement.. ... Linde Aktiengesellschaft

Method for producing a horizontal flow adsorber and dividing wall module for use in said method

The method serves for producing a horizontal through flow adsorber with two adsorbents which contains two immediately adjacent packings in a horizontal or vertical container. Between the two packings there is a vertical interface. ... Linde Aktiengesellschaft

Linde Aktiengesellschaft

. . ... Linde Aktiengesellschaft

Gas cylinder control system and gas cylinder for use therewith cylinder

The present invention provides a gas cylinder system (14) having a gas cylinder (15), a first electronic monitoring system (16) operable to monitor cylinder specific data (csd) associated with said cylinder (15) or a patient specific data (psd) associated with a patient. Such a cylinder system (14) may be used in a number of ways such as to modify the delivery of gas to a patient.. ... Linde Aktiengesellschaft

Scale removal system

A system for descaling apparatus is described. The system provides for: a water inlet feedstream; a reverse osmosis system in fluid communication with the water inlet feedstream, in which the reverse osmosis system produces a water permeate output feedstream; and a pressurised carbon dioxide feedstream. ... Linde Aktiengesellschaft

A wine oxygenation device and method

A wine aerating device for adding oxygen containing gas into wine, the device comprising a gas cylinder containing pressurised gas which contains more than 21% oxygen by volume when measured at atmospheric conditions, a tube with a first end in fluid communication with the gas cylinder to a membrane which is in fluid communication with a second end of the tube, wherein the membrane is insertable through the neck of a wine bottle so that, in use, oxygen gas diffuses via the membrane into the wine, wherein the said membrane has a pore size of 0.1 μm to 10 μm, preferably 1 μm to 10 μm.. . ... Linde Aktiengesellschaft

Method and apparatus for the preparation of a polyolefin

A method (100) is proposed for the preparation of a polyolefin from olefin monomers, wherein the olefin monomers are subjected to one or more polymerisation steps (13), in which a proportion of the olefin monomers are catalytically reacted to form the polyolefin, while the olefin monomers that are not reacted in the polymerisation step or steps (13) are at least partly transferred into one or more gaseous, monomer-containing purge streams (g, h), which additionally contain(s) one or more aluminium organic compounds, which comprise one or more co-catalysts used in the polymerisation step or steps (13) and/or one or more compounds formed from the co-catalyst(s). It is provided that, downstream of one or more olefin synthesis steps (21), the gaseous, monomer-containing purge stream or streams (g, h) are brought into contact with a crude gas mixture (p, r) formed using a product mixture from the olefin synthesis step or steps (21) and are subjected to a caustic wash (26) together with the crude gas mixture (p, r). ... Linde Aktiengesellschaft

Main heat exchanger and a process for cooling a tube side stream

A process for cooling a tube side stream in a main heat exchanger is described. The process comprises: a) supplying a first mass flow of a tube side stream to a first zone of individual tubes in the tube bundle; b) supplying a second mass flow of the tube side stream to a second zone of individual tubes in the tube bundle, the second zone being offset from the first zone; c) supplying a refrigerant stream on the shell side for cooling the first and second mass flows; d) removing the evaporated refrigerant stream from the warm end of the main heat exchanger; and, e) adjusting the first mass flow of the tube side stream relative to the second mass flow of the tube side stream to maximise the temperature of the removed evaporated refrigerant stream.. ... Linde Aktiengesellschaft

Y-grade ngl fluids for enhanced oil recovery

Systems and methods for enhanced or improved oil recovery includes injecting a y-grade ngl enhanced oil recovery fluid through an injection well into a hydrocarbon bearing reservoir to mobilize and displace hydrocarbons. The y-grade ngl enhanced oil recovery fluid comprises an unfractionated hydrocarbon mixture. ... Linde Aktiengesellschaft

Unconventional enhanced oil recovery

A method of enhanced oil recovery from an unconventional resource reservoir comprises injecting an enhanced recovery fluid into the unconventional resource reservoir via an injection well and producing hydrocarbons from the unconventional resource reservoir via the injection well or a production well offset from the injection well.. . ... Linde Aktiengesellschaft

Method for removing nitrogen from a hydrocarbon-rich fraction

A method of obtaining a liquefied hydrocarbon-rich fraction (product fraction) having a nitrogen content of ≦1 mol %, wherein the hydrocarbon-rich fraction is liquefied and subcooled with a refrigeration circuit and then subjected to a rectificative removal of nitrogen is disclosed.. . ... Linde Aktiengesellschaft

Supporting collector for a packing column

A supporting collector for supporting a package, comprising: a plurality of collecting trays for receiving a liquid phase falling from the package; a plurality of guide elements arranged above the collecting trays for guiding the falling liquid phase into the collecting trays; and a supporting grid connected to the guide elements for laying the package on the supporting grid. According to the invention the supporting grid, the guide elements, and the collecting trays are formed integrally on one another and form a supporting unit, wherein the supporting grid, the guiding elements, and the collecting trays are formed by 3d printing and are formed integrally on one another by the 3d printing. ... Linde Aktiengesellschaft

Method for liquefying a hydrocarbon-rich fraction

A process for liquefying a hydrocarbon-rich fraction, in particular natural gas, where the hydrocarbon-rich fraction is precooled and subjected to water separation and a subsequent drying process before liquefaction and the hydrocarbon-rich fraction is liquefied against at least one mixed refrigerant circuit, where the refrigerant circulating in the mixed refrigerant circuit is compressed in at least two stages, subsequently at least partially condensed and the liquid fraction formed here is at least partly mixed into the refrigerant which has been compressed to an intermediate pressure is described. A substream of the liquid fraction serves for precooling the hydrocarbon-rich fraction to be liquefied before it is fed to the water separation, where heat exchange between the liquid fraction and the hydrocarbon-rich fraction to be liquefied is effected by means of at least one heat exchanger system.. ... Linde Aktiengesellschaft

Plant for producing oxygen by cryogenic air separation

The plant is used for producing oxygen by cryogenic air separation. The plant has a high-pressure column, a low-pressure column and a main condenser. ... Linde Aktiengesellschaft

02/08/18 / #20180036691

Device for aerating wine

The present invention relates to a wine aerating device comprising a body member (10), adapted to hold a container (12) containing pressurized gas and a lance member (14) for diffusing pressurized gas into a wine to be aerated, the body member (10) being provided with a passage (102, 103, 121, 105, 104) for passing a flow of pressurized gas from the container (12) to the lance member (14), comprising a comprising a control mechanism (23) for providing a flow of pressurized gas from the body member (10) to the lance member (14) over a variable length of time, the duration of which can be manually set by a user, wherein the control mechanism (23) comprises a valve (24), the valve being adapted to be manually actuated by rotary movement of a collar (20) provided on body member (10).. . ... Linde Aktiengesellschaft

02/01/18 / #20180029955

Method and apparatus for producing hydrocarbons

A method (100) for producing hydrocarbons is proposed, in which one or more steam cracking feed streams (a) which predominantly or exclusively contain hydrocarbons with two or more carbon atoms are subjected to one or more steam cracking steps (10), thus obtaining one or more steam cracking discharge streams (b), and wherein one or more reaction feed streams (t, u) which predominantly or exclusively contain methane are subjected to one or more steps (60) for the oxidative coupling of methane, thus obtaining one or more reaction discharge streams (v) which contain ethane, while a separation discharge stream (m) which predominantly or exclusively contains ethane is formed using fluid from the steam cracking discharge stream or streams (b). In the proposed method, it is provided that fluid from the reaction discharge stream or streams (v) is subjected to one or more thermal cracking steps (70) which are subsequent to the step or steps (60) for the oxidative coupling of methane, and in which the ethane which is present in the fluid from the reaction discharge stream or streams (v) is at least partially reacted to form ethylene, under the influence of waste heat from the step or steps (60) for the oxidative coupling of methane, and that fluid (w) from the separation discharge stream (m) is fed into the subsequent thermal cracking step or steps (70), wherein the step or steps (60) for the oxidative coupling of methane and the subsequent thermal cracking step or steps (70) are carried out in a joint reactor and wherein the transfer of heat into the thermal cracking step or steps (70) that follow takes place by convection.. ... Linde Aktiengesellschaft

01/25/18 / #a method for recovering a helium product fraction (6) from a nitrogen- and helium-containing feed fraction (3) is described, wherein the nitrogen- and helium-containing feed fraction (3) is partially condensed (e1), separated into a first helium-enriched fraction (5) and a first nitrogen-enriched fraction (8) and the former is cleaned again in an adsorptive manner.

Linde Aktiengesellschaft

. . ... Linde Aktiengesellschaft

01/25/18 / #20180023890

Method and apparatus for obtaining a compressed nitrogen product

A method and apparatus to obtain a compressed nitrogen product by low-temperature fractionation of air in a distillation column system. The system has a high-pressure column, a low-pressure column, a main condenser, and a low-pressure column top condenser. ... Linde Aktiengesellschaft

01/11/18 / #20180010591

Fluid energy machine, method for generating a fluid volume flow and/or for compressing a fluid and method for refuelling a vehicle

The invention relates to a fluid energy machine and a method for generating a fluid-volume flow and for compressing a fluid by means of the fluid energy machine according to the invention. The invention also relates to a method for refuelling a vehicle with a fluid using the method according to the invention for generating a fluid-volume flow and for compressing a fluid, and to the use of a fluid energy machine according to the invention for refuelling a motor vehicle. ... Linde Aktiengesellschaft

12/21/17 / #20170363360

Heat exchanger, in particular block-in-shell heat exchanger comprising a separating unit for separating a gaseous phase from a liquid phase and for distributing the liquid phase

An apparatus for the treatment of infections associated with respiratory disorders in a mammal with a mixture for use as an inhalable medicament. The apparatus includes a patient interface, at least one source of helium for providing gaseous helium, at least one source of oxygen for providing gaseous oxygen, an application device for providing a mixture to the patient interface, at least one source of nitric oxide for providing gaseous nitric oxide, a gas injector for injecting the nitric oxide into the mixture, an injector for injecting a means for inhibiting growth of pulmonary pathogens, a controller programmed for controlling the gas injector, the application device and the injector.. ... Linde Aktiengesellschaft

11/16/17 / #20170328633

Support for a packing column

A support for a packing column having a support profile with a web section running in the vertical direction and having lower end and an upper end, and having a larger vertical extension than a horizontal extension. The support also has a foot section connected to the upper end of the web section and a head section connected to the lower end of the web section. ... Linde Aktiengesellschaft

11/09/17 / #20170320793

Method and apparatus for producing hydrocarbons

A method for producing hydrocarbons is proposed, in which a product stream containing hydrocarbons is produced from a methane-rich feed stream and from an oxygen-rich feed stream in a reaction unit which is configured for implementing a method for oxidative coupling of methane, the product stream or at least a stream formed therefrom being treated cryogenically in at least one separation unit using at least one liquid, methane-rich stream. It is provided that in the at least one separation unit (10) a recycle stream is formed from methane contained in product stream (c) and from methane contained in the at least one liquid, methane-rich stream (e, v), the recycle stream being fed to the reaction unit (1) as the methane-rich feed stream (a), and in that the liquid, methane-rich stream (e, v) is provided as makeup.. ... Linde Aktiengesellschaft

11/09/17 / #20170320736

Combined membrane-pressure swing adsorption method for recovery of helium

A method of obtaining helium from a process gas. The process gas is at a pressure less than 15 bar to a first membrane separation stage having a first membrane more readily permeable for helium than for at least one other component in the process gas. ... Linde Aktiengesellschaft

10/26/17 / #20170307306

Method for producing a plate heat exchanger using two welds, and a corresponding plate heat exchanger

A method for producing a plate heat exchanger and the plate heat exchanger, particularly a soldered aluminium plate heat exchanger. In the method, a heat exchanger block is provided having a plurality of partition plates and edge strips arranged between the partition plates. ... Linde Aktiengesellschaft

10/12/17 / #20170292354

Miscible solvent assisted gravity drainage

A method for enhanced or improved oil recovery includes injecting a miscible injection fluid comprising an unfractionated hydrocarbon mixture through an injection well into a hydrocarbon bearing reservoir at a structurally higher position to initiate gravity-stable displacement and gas cap expansion processes. Residual hydrocarbons in the hydrocarbon bearing reservoir are mobilized and displaced by the miscible injection fluid to a structurally lower position within the hydrocarbon bearing reservoir adjacent a production well through which they are produced to the surface.. ... Linde Aktiengesellschaft

10/12/17 / #20170292059

Miscible solvent enhanced oil recovery

A method for enhanced or improved oil recovery includes injecting a miscible injection fluid comprising an unfractionated hydrocarbon mixture through an injection well into a hydrocarbon bearing formation. Simultaneously and/or subsequently, a mobility control fluid is injected into the hydrocarbon bearing formation. ... Linde Aktiengesellschaft

10/12/17 / #20170292057

Hydrocarbon based carrier fluid

Y-grade ngl or l-grade is used as a carrier fluid to transport one or more chemical additives into a hydrocarbon bearing reservoir to treat the hydrocarbon bearing reservoir. The y-grade ngl or l-grade and the chemical additives may be chilled and/or foamed.. ... Linde Aktiengesellschaft

10/05/17 / #20170284659

Low-nox-burner

The invention relates to a burner, particularly low-nox-burner, for generating a flame by combustion of a fuel, comprising: a tile (15, 15a, 15b) surrounding an opening (2, 2a, 2b) of the tile (15, 15a, 15b) extending along a burner axis (12), the tile (15, 15a, 15b) further comprising a front side (20) and a rear side (21) facing away from the front side (20), wherein the rear side (21) comprises an air inlet (10, 10a, 10b) connected to said opening for feeding air (a, a′, a″) into said opening (2, 2a, 2b), and wherein said front side (20) comprises a discharge outlet (9, 9a, 9b) connected to said opening (2, 2a, 2b) for discharging a flame (30) generated by the burner (1) into a surrounding area (s), and wherein the tile (15, 15a, 15b) further comprises an inside (22) facing said opening (2, 2a, 2b) as well as an outside (23) facing away from said opening (2, 2a, 2b). According to the invention the burner (1) further comprises at least one oxygen lance (5) extending along the burner axis (12) in a first recess (17) of said tile (15, 15a, 15b), the at least one oxygen lance (5) having an ejection nozzle (6) at an end region of the at least one oxygen lance (5) for ejecting oxygen (o), particularly such that the oxygen (o) is at first ejected into a colder flue gas region (31) surrounding the relatively hotter flame (30) generated by the burner (1). ... Linde Aktiengesellschaft

09/28/17 / #20170276344

Low-nox-burner

The invention relates to a burner, particularly low-nox-burner, for generating a flame by combustion of a fuel, comprising: a tile (15, 15a, 15b) surrounding an opening (2, 2a, 2b) of the tile (15, 15a, 15b) extending along a burner axis (12), the tile (15, 15a, 15b) further comprising a front side (20) and a rear side (21) facing away from the front side (20), wherein the rear side (21) comprises an air inlet (10, 10a, 10b) connected to said opening for feeding air (a, a′, a″) into said opening (2, 2a, 2b), and wherein said front side (20) comprises a discharge outlet (9, 9a, 9b) connected to said opening (2, 2a, 2b) for discharging a flame (30) generated by the burner (1) into a surrounding area (s), and wherein the tile (15, 15a, 15b) further comprises an inside (22) facing said opening (2, 2a, 2b) as well as an outside (23) facing away from said opening (2, 2a, 2b). According to the invention the burner (1) further comprises at least one oxygen lance (5) extending along the burner axis (12) in a first recess (17) of said tile (15, 15a, 15b), the at least one oxygen lance (5) having an ejection nozzle (6) at an end region of the at least one oxygen lance (5) for ejecting oxygen (o), particularly such that the oxygen (o) is at first ejected into a colder flue gas region (31) surrounding the relatively hotter flame (30) generated by the burner (1). ... Linde Aktiengesellschaft

09/28/17 / #20170275526

Supercritical y-grade ngl

Use of supercritical y-grade natural gas liquids for a variety of processes and across numerous industrial applications is described herein. The low viscosity, high density, and tunable solvent properties of supercritical y-grade natural gas liquids are useful for example in enhanced reservoir recovery and treatment, control of chemical reactions and processes, and/or single or two-phase separations.. ... Linde Aktiengesellschaft

09/28/17 / #20170275521

L-grade stimulation fluid

A method of treating a subsurface formation comprises mixing an unfractionated hydrocarbon mixture, water, and natural gas with a foaming agent to form a stimulation fluid comprising foam. The unfractionated hydrocarbon mixture comprises ethane, propane, butane, isobutane, and pentane plus. ... Linde Aktiengesellschaft

09/28/17 / #20170275520

Low temperature waterless stimulation fluid

A method of treating a subsurface formation comprises mixing an unfractionated hydrocarbon mixture with a foaming agent to form a waterless stimulation fluid comprising foam. The unfractionated hydrocarbon mixture comprises ethane, propane, butane, isobutane, and pentane plus. ... Linde Aktiengesellschaft

09/07/17 / #20170253541

Method and apparatus for producing hydrocarbons

A method for producing hydrocarbons is proposed wherein a catalysis product stream (b) rich in n-butane, isobutane, 1-butene, 2-butene, isobutene and hydrocarbons with more than four and/or less than four carbon atoms is produced in a catalysis unit (1), using one or more catalyst feed streams containing oxygenates and/or olefins (a) and wherein additionally a steam cracking product stream (h) is produced in a steam cracking unit (2) using one or more steam cracking feed streams (g, r, s). It is provided that using the catalysis product stream (b) a skeletal isomerisation feed stream (f, q) poor in 1-butene, 2-butene and isobutene and containing at least isobutane is produced, in which the isobutane is at least predominantly reacted by skeletal isomerisation to form n-butane, and which is subsequently used at least partly as the, or one of the, steam cracking feed streams (g, r). ... Linde Aktiengesellschaft

09/07/17 / #20170253540

Method and apparatus for producing hydrocarbons

A method for preparing hydrocarbons is proposed, which comprises, in a catalysis unit (1) using one or more catalysis feed streams (a) containing oxygenates and/or olefins, producing a catalysis product stream (b) containing n-butane, isobutane, 1-butene, 2-butene, isobutene and hydrocarbons with more than four and/or less than four carbon atoms, and which further comprises producing a steam cracking product stream (s) in a steam cracking unit (2) using one or more steam cracking feed streams (g, n, l, r). It is provided that at least the great majority of the hydrocarbons with more than four and/or less than four carbon atoms and the isobutene is eliminated from the catalysis product stream (b) or a part thereof, whereby a stream (g, n) containing at least 5 percent by mole 1-butene and/or 2-butene is formed, and in that this stream (g, n) containing at least 5 percent by mole 1-butene and/or 2-butene or one or more streams (l, r) derived therefrom is or are used as the steam cracking feed stream or streams (g, n, l, r). ... Linde Aktiengesellschaft

08/17/17 / #20170234614

Method for the cryogenic separation of air and air separation plant

A method and plant for the cryogenic separation of air, the plant having an air compressor, a heat exchanger and a distillation column system having a low-pressure column at a first pressure and a high-pressure column at a second pressure. Feed air is compressed in the air compressor to a third pressure at least 2 bar above the second pressure a first fraction of compressed feed air is cooled in the heat exchanger and expanded in a first expansion turbine. ... Linde Aktiengesellschaft

08/03/17 / #a non-thermal plasma for use in the treatment of an infected nail or infected skin. the plasma is used in the method by

Linde Aktiengesellschaft

. . ... Linde Aktiengesellschaft

08/03/17 / #20170219281

Method and system for recovery of methane from hydrocarbon streams

The invention relates to a method for recovery of methane from hydrocarbon streams comprising the following steps: a. Introducing a feed fluid stream (f), which comprises methane fluid, at least one hydrocarbon free fluid, wherein in particular said at least one hydrocarbon free fluid is nitrogen, and at least one hydrocarbon fluid, into a demethanizer system (1); b. ... Linde Aktiengesellschaft

08/03/17 / #20170218743

L-grade recovery

A fluid recovery system includes a separator configured to separate a hydrocarbon stream into l-grade, water, and natural gas. The system further includes a storage vessel in communication with the separator and configured to store the l-grade separated from the hydrocarbon stream. ... Linde Aktiengesellschaft

08/03/17 / #20170218742

Y-grade ngl recovery

A fluid recovery system includes a separator configured to separate a hydrocarbon stream into an unfractionated mixture, water, and natural gas. The system further includes a storage vessel in communication with the separator and configured to store the unfractionated mixture separated from the hydrocarbon stream. ... Linde Aktiengesellschaft

07/27/17 / #20170211882

Production of an air product in an air separation plant with cold storage unit

A method for producing an air product in an air separation plant. Feed air is cooled at least in a main air compressor and is fed into a distillation column system. ... Linde Aktiengesellschaft

07/27/17 / #20170209830

Recovery of gases, especially permanent gases, from streams of matter, especially from offgas streams from polymerizations

A method of cleaning a stream of matter that includes a c2+ fraction and a first gaseous substance and a second gaseous substance. The stream of matter is subjected to a pressure swing adsorption to remove the c2+ fraction by means of a membrane to obtain a retentate and a permeate. ... Linde Aktiengesellschaft

07/06/17 / #20170190636

Method for producing product olefins by catalytic dehydration of suitable reactants

The invention relates to a method for producing product olefins by catalytic dehydration of suitable reactants, comprising the steps of feeding a educt stream comprising an alcohol-water mixture into a dehydration unit, wherein the alcohol-water mixture comprises at least one alcohol and water, and converting the reactants contained in the educt stream in the dehydration unit by catalytic dehydration to a mixed reaction product stream, the dehydrating conditions in the dehydration unit being selected such that the dehydration of the alcohol comprises only a low conversion of at least one alcohol used to the desired at least one product olefin, such that the unreacted at least one alcohol in the mixed reaction product stream comprises an alcohol content ranging from 20 wt %-80 wt %.. . ... Linde Aktiengesellschaft

06/29/17 / #20170182440

Device for introducing a fluid medium into a container

A device for introducing fluid medium into a container, the device including a container for receiving the medium and a pipeline for introducing the medium into the interior of the container. The pipeline has a pipeline section arranged in the interior of the container having a hollow cylindrical casing that extends along a cylinder axis of the pipeline section. ... Linde Aktiengesellschaft

06/15/17 / #20170165781

Additive manufacturing of titanium article

A method of manufacturing an article comprising titanium and/or titanium alloy using an additive manufacturing method comprising: providing a substrate; providing a feedstock; and fusing the feedstock to the substrate using a heat source, wherein the substrate and/or feed stock comprises titanium and/or titanium alloy, and the fusing is conducted under a shielding gas comprising an inert gas and an oxidant gas.. . ... Linde Aktiengesellschaft

06/08/17 / #20170160020

Heat storage device

A heat storage device for transferring heat indirectly between a fluid and a heat storing medium, and for storing transferred heat, includes a container that surrounds an interior of the container, the heat storing medium being located in this interior. A plurality of vertical tubes are arranged in the interior of the container, each of these tubes being fluidically connected to a vertical header tube by means of a lower end section. ... Linde Aktiengesellschaft

06/08/17 / #20170159666

Method for pressure and temperature control of a fluid in a series of cryogenic compressors

A method for pressure and temperature control of fluid in a series of cryogenic compressors. An actual speed for each compressor and an actual inlet pressure and actual inlet temperature at entry are determined. ... Linde Aktiengesellschaft

06/01/17 / #20170153058

Method and device for the low-temperature separation of air at variable energy consumption

A method and a device used to variably obtain a compressed-gas product by means of the low-temperature separation of air in a distillation column system. In a first operating mode, a first amount of first compressed-gas product is obtained, and, in a second operating mode, a second, smaller amount is obtained. ... Linde Aktiengesellschaft

06/01/17 / #20170152855

Method for controlling the speed of cryogenic compressors arranged in series for cooling cryogenic helium

A method for controlling speeds of compressors arranged in series for compressing a fluid. The desired inlet pressure is predefined and the actual inlet pressure is detected. ... Linde Aktiengesellschaft

05/18/17 / #20170138506

Flow apparatus and monitoring system relating thereto

The present invention provides a flow apparatus (10) having a flow control valve (12) having a housing (14), an aperture (16), an aperture obturator (18) and an actuator (20) for moving said obturator (16) between a first closed position and multiple open positions (b-l), characterised by a valve position monitor (21) for monitoring the position of the valve (12) and comprising a plurality of discrete sensors (28a to 28e) associated with a plurality of open positions (b-l) of said valve for monitoring the presence or absence of one or more members (26) movable with said valve (12). The arrangement may be used to monitor the valve position and such monitoring may be of use in the prediction of the amount of fluid remaining within a cylinder (32) to which it has been attached.. ... Linde Aktiengesellschaft

05/11/17 / #20170131028

Method and device for the low-temperature separation of air at variable energy consumption

A method and device used to variably obtain a compressed-gas product by means low-temperature separation of air in a distillation column system. In a first operating mode, a first amount of first compressed-gas product is obtained, and, in a second operating mode, a second, smaller amount is obtained. ... Linde Aktiengesellschaft

05/11/17 / #20170130887

Device and method for heating a fluid in a pipeline using three-phase current

A device for heating a fluid, including at least one electrically conductive pipeline for accommodating the fluid, and at least one voltage source connected to a respective pipeline. The voltage source is designed to generate an electric current in the connected pipeline which heats the pipeline in order to heat the fluid. ... Linde Aktiengesellschaft

05/04/17 / #20170122667

Block-in-shell heat exchanger

A block in shell type heat exchanger having a jacket surrounding a jacket space to receive first medium. The jacket space accommodates a plate and block heat exchanger with first and second heat exchange passages. ... Linde Aktiengesellschaft

03/30/17 / #20170088482

Process and plant for producing olefins

A method (100) for producing olefins is proposed, wherein a first gas mixture (b) is produced by means of a steam cracking process (1) and a second gas mixture (s) is produced by means of an oxygenate-to-olefin process (2), the first gas mixture (b) and the second gas mixture (s) each containing at least hydrocarbons with one to four carbon atoms. It is proposed that from the first gas mixture (b) a first fraction (h) is formed which contains at least the great majority of the hydrocarbons with four carbon atoms previously contained in the first gas mixture (b), from the second gas mixture (s) a second fraction (y) is formed which contains at least the great majority of the hydrocarbons with four carbon atoms previously contained in the second gas mixture (s), and that the hydrocarbons contained in the second fraction (y) and previously in the second gas mixture (s) are predominantly subjected in the steam cracking process (1) to cracking conditions under which any n-butane present is reacted by less than 92%. ... Linde Aktiengesellschaft

03/02/17 / #20170058215

Method and plant for obtaining crude oil products

A method for obtaining crude oil products is proposed in which a gaseous stream (d) is formed from a first crude oil stream (b) and the gaseous stream (d) is at least partially subjected to a steam cracking process (1) in which a cracked gas stream (e) is produced which is at least partially quenched with a liquid hydrocarbon stream (f), thereby forming a quenching effluent (g). It is provided that at least part of the quenching effluent (g) is used to form a separation feed and that the separation feed is separated by distillation (5, 8) together with a second crude oil stream (c), forming distillation effluents (h, i, k, p, r). ... Linde Aktiengesellschaft

02/23/17 / #20170051985

Heat exchanger having channels for damping liquid motions

A heat exchanger for indirect heat transfer between a first medium and a second medium having a shell which has a shell space to accommodate a liquid phase of the first medium, and at least one heat-exchanger block having first heat-transfer passages to accommodate the first medium and second heat-transfer passages to accommodate the second medium, such that indirect heat can be transferred between the first medium and the second medium. The heat-exchanger block is arranged in the shell space so that it can be surrounded with a liquid phase of the first medium in the shell space. ... Linde Aktiengesellschaft

02/23/17 / #20170051213

Process and system for obtaining crude oil products

A method for obtaining crude oil products is proposed in which a gaseous stream (d) is formed from a crude oil stream (b) by evaporation (2) and the gaseous stream (d) is at least partially subjected to a steam cracking process (1), a cracked gas stream (e) being produced in the steam cracking process (1) which is at least partially quenched with a liquid hydrocarbon stream (f), thereby forming a quenching effluent (g). It is provided that a fraction (f) of the crude oil stream (b) that remains liquid during the evaporation (2) of the crude oil stream (b) is used at least partly to form the liquid hydrocarbon stream (f) used for the quenching. ... Linde Aktiengesellschaft

02/09/17 / #20170038140

Process and apparatus for the low-temperature fractionation of air

The process and the apparatus serve for the low-temperature fractionation of air in a distillation column system, which has at least one separating column. Feed air is compressed in a main air compressor. ... Linde Aktiengesellschaft

01/19/17 / #20170014935

Inert gas and method of metal inert-gas welding for pollutant reduction

A method of metal inert-gas welding is proposed, a method in which a welding filler (1) is fed to a welding torch (10) and a welding current of a welding current source (30) is applied via a welding current connection (5), whereby an arc (7) is formed and, in a welding region, material of the welding filler (1) is transferred to a workpiece (20) consisting at least in the welding region of an alloyed high-grade steel. By means of the welding torch (10), an inert gas that includes a content of 0.5 to 3.0 percent by volume of at least one oxidizing component and a content of 0.1 to below 0.5 percent by volume of hydrogen is fed to the welding region. ... Linde Aktiengesellschaft

01/12/17 / #20170008116

Method for tungsten inert gas welding

The invention relates to a method and a welding torch for gas tungsten arc welding, wherein an electric arc burns between a non-consumable electrode (110) and a workpiece (151). The interior of the electrode (110) has a cavity (200) through which an electrically conducting filler (210) is fed in the direction (230a) of the workpiece (151), said filler (210) being energized.. ... Linde Aktiengesellschaft

01/05/17 / #20170001893

Process and apparatus for treating spent caustic solution

A process for treating a spent caustic solution and an apparatus for treating a spent caustic solution. The treatment provides an environmentally acceptable solution for discharge into a conventional wastewater treatment plant or for further processing. ... Linde Aktiengesellschaft

01/05/17 / #20170000546

Non-thermal plasma

A plasina-generation device for applying plasma to a human body, having a reservoir containing a gas, a plasma zone in fluid connection with the reservoir, and means for generating a plasma by electrical discharge in the plasma zone. The gas has a composition of 92% to 99.5% helium and 0.5% to 8% argon; or 95% to 99.5% helium and 1% to 20% neon; or 99.95% to 99.99% helium and 0.01% to 0.05% oxygen.. ... Linde Aktiengesellschaft








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