Patents Assigned to Aker Engineering & Technology AS
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Publication number: 20200086267Abstract: An aqueous CO2 absorbent comprising a combination of 2-amino-2-methyl-1-propanol (AMP) and 3-aminopropanol (AP), or AMP and 4-aminobutanol (AB), is described. A method for capturing CO2 from a CO2 containing gas using the mentioned absorbent, and the use of a combination of AMP and AP, or a combination of AMP and AB are also described.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Applicant: Aker Engineering & Technology ASInventors: Karl Anders HOFF, Thor MEJDELL, Inna KIM, Andreas GRIMSTVEDT, Eirik Falck DA SILVA
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Patent number: 9758959Abstract: A method for providing a drainage from a space between a lined concrete wall and a lining for protecting the lined concrete wall, wherein the method comprises the steps of arranging one or more draining member(s) each comprising a draining pipe having a blind flange arranged at both ends and having a length including the blind flanges that is substantially equal to the wall thickness in a casting frame so that the blind flanges are resting at the casting frame at the inside of the wall and the outside of the wall, respectively; filling concrete filled into the casting frame to cover the draining member(s) and allowing the concrete is allowed to cure; removing the casting frame from at least one of the sides of the concrete wall and; drilling through the blind flanges to open the draining member(s). A drained concrete wall and a concrete vessel are also described.Type: GrantFiled: December 20, 2013Date of Patent: September 12, 2017Assignee: Aker Engineering & Technology ASInventors: Kjell Tørres, Keith N. Charles
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Patent number: 9328570Abstract: A guiding assembly for a riser piping system (2) in an opening in the bottom (8) of a floating structure, said assembly permitting limited axial and angular displacement of the riser piping system (2) in said opening. The assembly comprises a prismatic anchor (1) surrounding a portion of the riser piping system (2) and being connected thereto, an outer prismatic guide tube (4) receiving the prismatic anchor (1), the outer prismatic guide tube (4) having inner surfaces that are parallel to and equally spaced from outer surfaces on the prismatic anchor (1), and rollers (3) arranged in at least two different levels and confined in spaces (2) formed between said inner and outer surfaces, the rollers (3) permitting relative axial movement between the prismatic anchor (1) and the outer prismatic tube (4).Type: GrantFiled: November 25, 2013Date of Patent: May 3, 2016Assignee: Aker Engineering & Technology ASInventor: Arne Barrett Sele
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Patent number: 9278308Abstract: A construction element for a plant for capture of an acidic gas using an aqueous amine absorbent, wherein at least a part of a surface of said element comprises a polyolefin, and a hydrolytically stable antioxidant, is described. Additionally, a liner comprising said polyolefin and the hydrolytically stable antioxidant, is described. The construction element may be a column, a pipe, an insert, like a column packing element or a tray. An apparatus for capturing CO2 using the construction elements, is also described.Type: GrantFiled: July 5, 2012Date of Patent: March 8, 2016Assignee: Aker Engineering & Technology ASInventors: Svein Jamtvedt, Harry Øysæd, John Ole Gjerp, Frank Henning Forsberg
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Publication number: 20150330159Abstract: A guiding assembly for a riser piping system (2) in an opening in the bottom (8) of a floating structure, said assembly permitting limited axial and angular displacement of the riser piping system (2) in said opening. The assembly comprises a prismatic anchor (1) surrounding a portion of the riser piping system (2) and being connected thereto, an outer prismatic guide tube (4) receiving the prismatic anchor (1), the outer prismatic guide tube (4) having inner surfaces that are parallel to and equally spaced from outer surfaces on the prismatic anchor (1), and rollers (3) arranged in at least two different levels and confined in spaces (2) formed between said inner and outer surfaces, the rollers (3) permitting relative axial movement between the prismatic anchor (1) and the outer prismatic tube (4).Type: ApplicationFiled: November 25, 2013Publication date: November 19, 2015Applicant: Aker Engineering & Technology ASInventor: Arne Barrett Sele
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Patent number: 9180404Abstract: A method for capturing CO2 from a CO2 containing gas (1), such as en exhaust gas from a thermal power plant fired on carbonaceous fuel, or any other CO2 containing industrial gas, where CO2 is captured from the gas by causing the gas to flow counter current to a CO2 absorbing solvent introduced into a CO2 absorption section (3) in an absorber (2) so that CO2 present in the gas is absorbed by the CO2 absorbing solvent to form a CO2 rich solvent (5), where CO2 rich solvent is collected on the bottom of the of the absorption column and withdrawn for regeneration, and where the treated exhaust gas (8) is released to the atmosphere after being subjected to one or more washing step(s) (6,7), wherein the temperature of the CO2 absorbing solvent (4) introduced into the CO2 absorption section has a temperature that is less than 5° C. lower than the maximum temperature in the absorption section of the absorber, is described.Type: GrantFiled: July 4, 2012Date of Patent: November 10, 2015Assignee: Aker Engineering & Technology ASInventors: Otto Morten Bade, Simon Woodhouse, Oddvar Gorset, Vibeke Andersson
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Publication number: 20150315778Abstract: A method for providing a drainage from a space between a lined concrete wall and a lining for protecting the lined concrete wall, wherein the method comprises the steps of arranging one or more draining member(s) each comprising a draining pipe having a blind flange arranged at both ends and having a length including the blind flanges that is substantially equal to the wall thickness in a casting frame so that the blind flanges are resting at the casting frame at the inside of the wall and the outside of the wall, respectively; filling concrete filled into the casting frame to cover the draining member(s) and allowing the concrete is allowed to cure; removing the casting frame from at least one of the sides of the concrete wall and; drilling through the blind flanges to open the draining member(s). A drained concrete wall and a concrete vessel are also described.Type: ApplicationFiled: December 20, 2013Publication date: November 5, 2015Applicant: Aker Engineering & Technology ASInventors: Kjell TØRRES, Keith N. CHARLES
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Publication number: 20150306538Abstract: An aqueous CO2 absorbent comprising a combination of 2-amino-2-methyl-1-propanol (AMP) and 3-aminopropanol (AP), or AMP and 4-aminobutanol (AB), is described. A method for capturing CO2 from a CO2 containing gas using the mentioned absorbent, and the use of a combination of AMP and AP, or a combination of AMP and AB are also described.Type: ApplicationFiled: December 6, 2013Publication date: October 29, 2015Applicant: Aker Engineering & Technology ASInventors: Karl Anders HOFF, Thor MEJDELL, Inna KIM, Andreas GRIMSTVEDT, Eirik Falck DA SILVA
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Patent number: 9080724Abstract: An extruded beam element suitable for the construction of sandwich structures, comprises two parallel plates (2,3), each having a first part (2) and a second part (3), wherein the first parts of said plates (2) are connected by multiple webs, wherein at least two of said webs (1) are inclined with respect to the longitudinal plane (Y) perpendicular to the plates (2,3), and wherein the first parts (2) and the webs (1,5) form a relatively rigid portion of the beam element and the second parts (3) form a relatively flexible portion of the beam element, as well as sandwich panels and tanks comprising said beam elements.Type: GrantFiled: March 31, 2011Date of Patent: July 14, 2015Assignee: Aker Engineering & Technology ASInventors: Arne Barrett Sele, Björn Ake Klasén
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Patent number: 8985381Abstract: A tank for storing fluid, especially hydrocarbons including low temperature liquefied natural gas. The tank comprises tank walls defining an interior tank space, wherein at least one beam is provided in the interior tank space having at least one beam end connected to the tank wall. The at least one recess is provided in the tank wall for receiving the beam end for anchoring to the tank wall.Type: GrantFiled: March 13, 2012Date of Patent: March 24, 2015Assignee: Aker Engineering & Technology ASInventors: Arne Sele, Kåre Dybwad, Michal Stanislaw Przybylski
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Patent number: 8973514Abstract: A support of deep caisson type having a longitudinal axis, for floating installation in a body of water and provided with mooring lines for anchoring to a seabed, has a lower portion in the body of water having a weight element, an upper portion that supports a platform above a water surface, and an extended portion in an area between the upper portion and the lower portion. The extended portion has one or more internal storage chambers and one or more ballast chambers. The storage chambers are arranged closer to the longitudinal axis than the ballast chambers.Type: GrantFiled: April 14, 2011Date of Patent: March 10, 2015Assignee: Aker Engineering & Technology ASInventors: Henrik Hannus, Rolf Løken, Lars Laukeland
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Patent number: 8872467Abstract: A method and system for starting and operating an electrically driven load, e.g. a compressor or pump, by power supply from a mechanical driver, e.g. a turbine or combustion engine, whereby the load is mechanically connected to a first electrical machine, and the mechanical driver is mechanically connected to a second electrical machine. The first electrical machine is electrically interconnected to the second electrical machine at a standstill or when the first and or second machine have low speed. In an acceleration phase, the first electrical machine is accelerated by accelerating the second electrical machine with the mechanical driver. When the first electrical machine has reached a predefined rotational speed, the first machine is synchronized with a local electrical power network and connected it to that network.Type: GrantFiled: August 20, 2012Date of Patent: October 28, 2014Assignee: Aker Engineering & Technology ASInventors: Ole-Johan Bjerknes, Trygve Lund
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Patent number: 8783502Abstract: A tank subjected to thermal expansion and contraction, comprising a support block in contact with the bottom of the tank, where the support block and the bottom of the tank are connected by a rib in either the bottom of the tank or the support block, where the rib is in a groove in either the bottom of the tank or the support block to prevent horizontal movement of the tank.Type: GrantFiled: October 29, 2010Date of Patent: July 22, 2014Assignee: Aker Engineering & Technology ASInventors: Arne Barrett Sele, Trygve Johannes Lund
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Publication number: 20140178279Abstract: A liquid, aqueous CO2 absorbent comprising two or more amine compounds, where the aqueous solution of amines having absorbed CO2 is not, or only partly miscible with an aqueous solution of amines not having absorbed CO2, where at least one of the amines is a tertiary amine, and where at least one of the amines is a primary and/or a secondary amine, wherein the tertiary amine is DEEA and the primary and/or secondary amine(s) is (are) selected from DAB, DAP, DiAP, DMPDA, HEP, or the tertiary amine is DIPAE, or N-TBDEA and primary and/or secondary amine(s) is (are) selected from DAB, DAP, DiAP, DMPDA, HEP, MAPA, and MEA, and a method for CO2 capture using the CO2 absorbent, are described.Type: ApplicationFiled: June 27, 2012Publication date: June 26, 2014Applicant: Aker Engineering & Technology ASInventors: Hallvard F. Svendsen, Anastasia A. Trollebø
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Publication number: 20140166663Abstract: A tank for storing fluid, especially hydrocarbons including low temperature liquefied natural gas. The tank comprises tank walls defining an interior tank space, wherein at least one beam is provided in the interior tank space having at least one beam end connected to the tank wall. The at least one recess is provided in the tank wall for receiving the beam end for anchoring to the tank wall.Type: ApplicationFiled: March 13, 2012Publication date: June 19, 2014Applicant: AKER ENGINEERING & TECHNOLOGY ASInventors: Arne Sele, Kare Dybwad, Michal Stanislaw Przybylski
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Patent number: 8752725Abstract: The present invention concerns a cruciform construction element for use inside a tank to connect panels, which element is forged or molded in one piece and comprises intersecting webs.Type: GrantFiled: October 28, 2010Date of Patent: June 17, 2014Assignee: Aker Engineering & Technology ASInventors: Arne Barrett Sele, Trygve Johannes Lund
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Publication number: 20140123851Abstract: A construction element for a plant for capture of an acidic gas using an aqueous amine absorbent, wherein at least a part of a surface of said element comprises a polyolefin, and a hydrolytically stable antioxidant, is described. Additionally, a liner comprising said polyolefin and the hydrolytically stable antioxidant, is described. The construction element may be a column, a pipe, an insert, like a column packing element or a tray. An apparatus for capturing CO2 using the construction elements, is also described.Type: ApplicationFiled: July 5, 2012Publication date: May 8, 2014Applicant: Aker Engineering & Technology ASInventors: Svein Jamtvedt, Harry Øysæd, John Ole Gjerp, Frank Henning Forsberg
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Publication number: 20140116251Abstract: A method for capturing CO2 from a CO2 containing gas (1), such as en exhaust gas from a thermal power plant fired on carbonaceous fuel, or any other CO2 containing industrial gas, where CO2 is captured from the gas by causing the gas to flow counter current to a CO2 absorbing solvent introduced into a CO2 absorption section (3) in an absorber (2) so that CO2 present in the gas is absorbed by the CO2 absorbing solvent to form a CO2 rich solvent (5), where CO2 rich solvent is collected on the bottom of the of the absorption column and withdrawn for regeneration, and where the treated exhaust gas (8) is released to the atmosphere after being subjected to one or more washing step(s) (6,7), wherein the temperature of the CO2 absorbing solvent (4) introduced into the CO2 absorption section has a temperature that is less than 5° C. lower than the maximum temperature in the absorption section of the absorber, is described.Type: ApplicationFiled: July 4, 2012Publication date: May 1, 2014Applicant: Aker Engineering & Technology ASInventors: Otto Morten Bade, Simon Woodhouse, Oddvar Gorset, Vibeke Andersson
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Patent number: 8708185Abstract: A support assembly mounted on the roof of a tank comprising a support block, a base plate between the support block and the tank, and guiding brackets or rails joined to a structure above the tank. The guiding brackets or rails comprise a face turned towards a cooperating face of the support block. The face of the bracket or rail and the cooperating face of the support block are inclined at an angle which depends on the width and height of the support block.Type: GrantFiled: October 29, 2010Date of Patent: April 29, 2014Assignee: Aker Engineering & Technology ASInventors: Arne Barrett Sele, Trygve Johannes Lund
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Publication number: 20130327066Abstract: The present invention provides a method for increasing the internal pressure of a pressure vessel (1) containing a medium being present in both a liquid (3) and gaseous (2) phase, the vessel comprising one inner (9)and one outer (10) fluid tight barrier, said barriers being separated by an inter-barrier space (8), comprising the steps of: —circulating a suitable fluid through both the inter-barrier space and a heating unit; and —heating the fluid by the heating unit.Type: ApplicationFiled: February 24, 2012Publication date: December 12, 2013Applicant: AKER ENGINEERING & TECHNOLOGY ASInventors: Arne Barrett Sele, Trygve Johannes Lund