Patents by Inventor Tommy Grankäll
Tommy Grankäll 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: 10766232Abstract: A method of manufacture of a composite aircraft article aerodynamic surface by forming the composite aircraft article aerodynamic surface on an aircraft article composite forming tool. The aircraft article composite forming tool includes a matrix laminate including an upper ply including a forming surface for forming the composite aircraft article aerodynamic surface. The upper ply of the aircraft article composite forming tool includes a nano filament structure embedded therein. A blank is conformed onto the aircraft article composite forming tool. The aircraft article is formed on the upper ply of the forming surface. The forming surface of the aircraft article composite forming tool is adapted to form an aerodynamic surface of the aircraft article. The blank is cured into the aircraft article. The composite aircraft article is finished.Type: GrantFiled: April 16, 2015Date of Patent: September 8, 2020Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Patent number: 9180979Abstract: An aircraft article composite forming tool and a method for producing the tool. The aircraft article to be formed includes a composite material including an outer surface. The aircraft article composite forming tool includes a matrix laminate made of at least an upper ply including a forming surface for forming the aircraft article and outer surface. The upper ply includes a nano filament structure embedded therein.Type: GrantFiled: February 4, 2010Date of Patent: November 10, 2015Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20150290845Abstract: A method of manufacture of a composite aircraft article aerodynamic surface by forming the composite aircraft article aerodynamic surface on an aircraft article composite forming tool. The aircraft article composite forming tool includes a matrix laminate including an upper ply including a forming surface for forming the composite aircraft article aerodynamic surface. The upper ply of the aircraft article composite forming tool includes a nano filament structure embedded therein. A blank is conformed onto the aircraft article composite forming tool. The aircraft article is formed on the upper ply of the forming surface. The forming surface of the aircraft article composite forming tool is adapted to form an aerodynamic surface of the aircraft article. The blank is cured into the aircraft article. The composite aircraft article is finished.Type: ApplicationFiled: April 16, 2015Publication date: October 15, 2015Inventors: Per HALLANDER, Mikael PETERSSON, Björn WEIDMANN, Tommy GRANKÄLL, Göte STRINDBERG, Pontus NORDIN
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Patent number: 9040142Abstract: A composite article having a longitudinal direction and a transversal direction. The article includes a stack of plies wherein one ply is a bottom ply and one ply is a top ply. Most or all of the plies include fibers. A plurality of plies have fibers substantially in an orthogonal direction and substantially in a same direction as the longitudinally direction of the article. The bottom ply and the top ply have fibers in a substantially orthogonal direction to the longitudinal direction of the article. At least one ply has the fibers substantially in the same direction as the longitudinal direction of the article. At least one of the plies having fibers substantially in the longitudinal direction includes particles selected from the group of thermoplastic tougheners, nano particles, micro particles, elastic particles, elastomer particles and polymer particles or a combination. Also a method of forming an article on a tool.Type: GrantFiled: May 11, 2010Date of Patent: May 26, 2015Assignee: SAAB ABInventors: Björn Weidmann, Mikael Petersson, Per Hallander, Pontus Nordin, Tommy Grankäll
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Patent number: 8916252Abstract: A structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure arranged within the composite joint. A method of producing a structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure and an aircraft structure comprising such structural composite parts.Type: GrantFiled: June 11, 2009Date of Patent: December 23, 2014Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Bjorn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin, Rustan Önnefors
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Publication number: 20140284431Abstract: The present invention regards an aircraft structure comprising an aerodynamic composite shell (7), the interior face (9) of which in whole or in part is bonded with at least one two- or three-dimensional structural composite part (11) by means of a bonding material (15). It also regards a method of manufacture of the aircraft structure. The bonding material (15) comprises a non-structural fiber reinforced resin system, wherein at least one portion of the bonding material, which portion spatially corresponds with an interior face filling volume (21), is thicker than other portions of the bonding material (15), due to settlement of resin of the non-structural fiber reinforced resin system in said interior face filling volume (21) during the viscous phase of the curing of the non-structural fiber reinforced resin system.Type: ApplicationFiled: December 12, 2011Publication date: September 25, 2014Applicant: SAAB ABInventors: Tommy Grankaell, Per Hallander, Mikael Petersson, Bjoern Weidmann
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Publication number: 20140147619Abstract: The present invention relates to a composite article 801, wherein the article has a longitudinal direction L and a transversal direction T, the article 80 comprises a stack of plies wherein one ply is a bottom ply and one ply is a top ply, most of or all of the plies comprise fibres, and the article comprises a plurality of plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 and the stack further comprises a plurality of plies having fibres substantially in the same direction 811 as the longitudinally direction L of the article 801 and/or a plurality of plies having fibres in the diagonal direction (812, 813, 815, 816, 817, 818) of the longitudinal direction (L) of the article (801), wherein at least one of the ply/plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 comprise fibres that are stiffer than the fibres in the other plies which have less stiff fibres.Type: ApplicationFiled: January 21, 2011Publication date: May 29, 2014Applicant: SAAB ABInventors: Tommy Grankaell, Per Hallander, Anders Lundberg, Tonny Nyman, Bjoern Weidmann, Mikael Petersson
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Patent number: 8662452Abstract: A structural article including an outer surface that serves as an aerodynamic surface when the structural article is subjected for an air stream. A resin matrix laminate includes an upper ply and a bottom ply. A heating element is arranged in contact with the bottom ply and coupled to a power supply unit in purpose to deice/anti-ice the outer surface. Each ply includes a thermally conductive filament structure having a filament orientation such that the prolongation of the filaments has an extension essentially perpendicular to the extension of the laminate. The thermally conductive filament structure of the upper ply is embedded in the upper ply in such way that at least a portion of the thermally conductive filament structure is exposed in the outer surface.Type: GrantFiled: January 14, 2010Date of Patent: March 4, 2014Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20130240110Abstract: An aircraft article composite forming tool and a method for producing the tool. The aircraft article to be formed includes a composite material including an outer surface. The aircraft article composite forming tool includes a matrix laminate made of at least an upper ply including a forming surface for forming the aircraft article and outer surface. The upper ply includes a nano filament structure embedded therein.Type: ApplicationFiled: February 4, 2010Publication date: September 19, 2013Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20130129968Abstract: A composite article having a longitudinal direction and a transversal direction. The article includes a stack of plies wherein one ply is a bottom ply and one ply is a top ply. Most or all of the plies include fibers. A plurality of plies have fibers substantially in an orthogonal direction and substantially in a same direction as the longitudinally direction of the article. The bottom ply and the top ply have fibers in a substantially orthogonal direction to the longitudinal direction of the article. At least one ply has the fibers substantially in the same direction as the longitudinal direction of the article. At least one of the plies having fibers substantially in the longitudinal direction includes particles selected from the group of thermoplastic tougheners, nano particles, micro particles, elastic particles, elastomer particles and polymer particles or a combination. Also a method of forming an article on a tool.Type: ApplicationFiled: May 11, 2010Publication date: May 23, 2013Applicant: SAAB ABInventors: Björn Weidmann, Mikael Petersson, Per Hallander, Pontus Nordin, Tommy Grankäll
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Publication number: 20120292439Abstract: A structural article including an outer surface that serves as an aerodynamic surface when the structural article is subjected for an air stream. A resin matrix laminate includes an upper ply and a bottom ply. A heating element is arranged in contact with the bottom ply and coupled to a power supply unit in purpose to deice/anti-ice the outer surface. Each ply includes a thermally conductive filament structure having a filament orientation such that the prolongation of the filaments has an extension essentially perpendicular to the extension of the laminate. The thermally conductive filament structure of the upper ply is embedded in the upper ply in such way that at least a portion of the thermally conductive filament structure is exposed in the outer surface.Type: ApplicationFiled: January 14, 2010Publication date: November 22, 2012Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20120148789Abstract: An aircraft structure including structural composite parts assembled together to form the aircraft structure. A bonding interlayer material bonds the structural composite parts to each other. The bonding interlayer material includes a nanostructure enhanced material. A method of producing an aircraft structure of assembled structural composite parts, being cured or semi-cured before assembly.Type: ApplicationFiled: June 11, 2009Publication date: June 14, 2012Inventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Pontus Nordin
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Publication number: 20120088056Abstract: A structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure arranged within the composite joint. A method of producing a structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure and an aircraft structure comprising such structural composite parts.Type: ApplicationFiled: June 11, 2009Publication date: April 12, 2012Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Bjorn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin, Rustan Önnefors
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Publication number: 20120074265Abstract: A composite radius filler for use in an aircraft structure. The aircraft structure includes structural composite parts assembled together to form the aircraft structure. The composite radius filler is arranged between rounded sections of the structural composite parts for filling a gap formed between the structural composite parts. The composite radius filler is made structural by a nanostructure arranged within the composite radius filler for the reinforcement of the interface between the radius filler and the structural composite part. A method for producing an aircraft structure including a nano-reinforced radius filler.Type: ApplicationFiled: June 11, 2009Publication date: March 29, 2012Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Bjorn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Patent number: 7758793Abstract: A tool assembly including a male tool including an inner shape tool including a bag having a connection connectable to a depressurization source for providing a vacuum in the bag such that beads therein form a body of firm cohesion providing the inner shape tool rigid. The male tool further includes a flexible, hollow curing support arranged around the rigid inner shape tool, the inner shape tool is arranged to be removable from the flexible, hollow curing support by rupturing the vacuum.Type: GrantFiled: December 8, 2008Date of Patent: July 20, 2010Assignee: SAAB ABInventors: Tommy Grankäll, Mikael Petersson, Per Hallander, Jan-erik Lindbäck, Bjorn Weidmann, Jan Andersson