Patents by Inventor Jan Erik Karlsen
Jan Erik Karlsen 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: 10027055Abstract: A conductor contact is provided having a sleeve (2) with an opening adapted to receive a free end (1) of a conductor. A contact tip (3) with an opening (35) is adapted to receive the sleeve (2), where the sleeve (2) has a tapered outer surface (21) on a compressible section surrounding the opening. The contact tip (3) has a tapered surface inside the opening adapted to compress the compressible section of the sleeve when the 10 contact tip surrounds the sleeve (2), and an outer smooth surface (34).Type: GrantFiled: November 10, 2014Date of Patent: July 17, 2018Assignee: NEXANSInventors: Jens Ludvig Larssen, Jan Erik Karlsen
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Patent number: 9923355Abstract: A method for terminating a cable (6) having at least one strength member (7). The method includes the steps of providing a cable termination comprising at least one termination chamber (2) for accommodating an end section of the strength member (7) and arranging and fastening an anchoring sleeve (12) around at least parts of the end section. The method further includes introducing the end section into the termination chamber (2) and fastening the end section by curing a polymer resin in the termination chamber (2) as well as a termination suitable for the method.Type: GrantFiled: November 4, 2015Date of Patent: March 20, 2018Assignee: NEXANSInventors: Roger Larsson, Jan Erik Karlsen, Bjorn Aspli
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Patent number: 9368257Abstract: A power cable (30, 130, 230, 330, 430, 530) includes an outer sheath (32), at least one conductor element (20, 22, 24, 220, 320, 420, 520) arranged within the outer sheath and one or more filler elements (10, 210, 310,410, 510) arranged within the outer sheath. At least one of the filler elements is hollow such that a cooling fluid can be passed through the filler element.Type: GrantFiled: April 3, 2014Date of Patent: June 14, 2016Assignee: NexansInventors: Jan Erik Karlsen, Raymond Alexander Badowski, Jon-Arne Hall
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Publication number: 20160134095Abstract: A method for terminating a cable (6) having at least one strength member (7). The method includes the steps of providing a cable termination comprising at least one termination chamber (2) for accommodating an end section of the strength member (7) and arranging and fastening an anchoring sleeve (12) around at least parts of the end section. The method further includes introducing the end section into the termination chamber (2) and fastening the end section by curing a polymer resin in the termination chamber (2) as well as a termination suitable for the method.Type: ApplicationFiled: November 4, 2015Publication date: May 12, 2016Inventors: Roger Larsson, Jan Erik Karlsen, Bjorn Aspli
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Publication number: 20150155650Abstract: A conductor contact is provided having a sleeve (2) with an opening adapted to receive a free end (1) of a conductor. A contact tip (3) with an opening (35) is adapted to receive the sleeve (2), where the sleeve (2) has a tapered outer surface (21) on a compressible section surrounding the opening.Type: ApplicationFiled: November 10, 2014Publication date: June 4, 2015Inventors: Jens Ludvig Larssen, Jan Erik Karlsen
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Publication number: 20140332247Abstract: A power cable (30, 130, 230, 330, 430, 530) includes an outer sheath (32), at least one conductor element (20, 22, 24, 220, 320, 420, 520) arranged within the outer sheath and one or more filler elements (10, 210, 310,410, 510) arranged within the outer sheath. At least one of the filler elements is hollow such that a cooling fluid can be passed through the filler element.Type: ApplicationFiled: April 3, 2014Publication date: November 13, 2014Inventors: Jan Erik Karlsen, Raymond Alexander Badowski, Jon-Arne Hall
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Patent number: 8759724Abstract: The present invention concerns an elongated object (1) including a cable (2) being surrounded by an external protection (3a, 3b, 3c, 3d, 3e), said external protection comprising at least one protection layer including at least two elongated extruded hollow profiles (31a, 31b, 31c, 31d, 31e), each elongated extruded hollow profile comprising at least one elongated empty cavity (32), characterized in that each profile (31a, 31b, 31c, 31d, 31e) of said external protection is a single element along the whole length of the cable portion to be protected, and that the total cross section area of the empty parts of the external protection represents at least 20% of the total cross section area of the external protection.Type: GrantFiled: March 25, 2010Date of Patent: June 24, 2014Assignee: NEXANSInventors: Jan Erik Karlsen, Lars Hennig, Anders Henrik Bla, Hans Kvarme
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Patent number: 8388363Abstract: A connector assembly for connecting and/or disconnecting an electric power cable (1) to/from a subsea pipeline (8) includes a female cone element (6), a complementary male cone element (5), and bolt tightening means (70). The tightening means (70) includes in a first stab member (7) adapted to be received in a first receptacle (16) in said female cone element (6), the first receptacle (16) has an opening facing in opposite direction of the cone (12) of the female cone element (6) for receiving the first stab member (7). A tightening bolt (7a) is provided in the first stab member (7) with an inner end (7c) of the bolt (7a) being adapted to engage the male cone element (5) and with an outer end (7b) being accessible for the connecting and/or disconnecting operations.Type: GrantFiled: December 17, 2007Date of Patent: March 5, 2013Assignee: NexansInventors: Jan Erik Karlsen, Bjorn Ivar Ladegard
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Publication number: 20120037611Abstract: The present invention concerns an elongated object (1) including a cable (2) being surrounded by an external protection (3a, 3b, 3c, 3d, 3e), said external protection comprising at least one protection layer including at least two elongated extruded hollow profiles (31a, 31b, 31c, 31d, 31e), each elongated extruded hollow profile comprising at least one elongated empty cavity (32), characterized in that each profile (31a, 31b, 31c, 31d, 31e) of said external protection is a single element along the whole length of the cable portion to be protected, and that the total cross section area of the empty parts of the external protection represents at least 20% of the total cross section area of the external protection.Type: ApplicationFiled: March 25, 2010Publication date: February 16, 2012Applicant: NEXANSInventors: Jan Erik Karlsen, Lars Hennig, Anders Henrik Bla, Hans Kvarme
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Publication number: 20100144181Abstract: Connector assembly for connecting and/or disconnecting an electric power cable (1) to/from a subsea pipeline (8), in particular for direct electric heating (DEH) thereof, comprising: a female cone element (6) mounted (2) to the pipeline (0) surface, a complementary male cone element (5) attached to an end of the power cable (1), and bolt tightening means (70) for securing contact between the female cone element (6) and the male cone element (5). The tightening means (70) comprises in a first stab member (7) adapted to be received in a first receptacle (16) in said female cone element (6), said first receptacle (16) has an opening facing in opposite direction of the cone (12) of the female cone element (6) for receiving said first stab member (7), and a tightening bolt (7a) is provided in said first stab member (7) with an inner end (7c) of the bolt (7a) being adapted to engage said male cone element (5) and with an outer end (7b) being accessible for the connecting and/or disconnecting operations.Type: ApplicationFiled: December 17, 2007Publication date: June 10, 2010Inventors: Jan Erik Karlsen, Bjorn Ivar Ladegard
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Patent number: 7282638Abstract: An elongated object for use in subsea having a heating pipe and an electrical cable fixed to the surface of the heating pipe. The electrical cable has a protective sleeving for surrounding the electrical cable, composed of a series of elongated synthetic plastics components arranged end-to-end. Each component is an extruded frame work type hollow profile suitable for slowing down the impact over a long deformation path. A hollow space is disposed between the electrical cable and the protective sleeving allowing the cable to move into the protective sleeving.Type: GrantFiled: January 19, 2006Date of Patent: October 16, 2007Assignee: Nexans Statoil ASAInventors: Jan Erik Karlsen, Lars Hennig, Havard Ilstad, Bjorn Melve
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Patent number: 6417457Abstract: An electrical subsea cable with a conductor (21), an insulation (23) and a sheath is proposed. The sheath has two polymer layers (26, 27), wherein the outer layer (27) has a mechanical hardness which is higher than the hardness of the insulation (23) and wherein the hardness of the inner layer (26) is lower than the hardness of the insulation(23).Type: GrantFiled: June 7, 2000Date of Patent: July 9, 2002Assignee: NexansInventors: Anders Tapio Aasbo, Petter Tomas Holen, Jan Erik Karlsen
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Patent number: 6328583Abstract: A cable connector for a direct heating cable system for a pipeline (4) where a direct heating cable is connected to the pipeline at two remote points, the cable (3) comprising a cone (1) connected to the end, the cone (1) comprising means for connecting releasably a bolt (9) coaxially to the cone (1), a pulling wire (7) being secured to the bolt (9) adapted to pull the cone (1) and the cable (3) into a connector (2) secured to the pipeline and having an inner shape corresponding with the outer shape of the cone (1), the connector (2) being adapted to lock the cone (1) to the connector (2) and release the pulling wire (7) from the cone (1).Type: GrantFiled: December 5, 2000Date of Patent: December 11, 2001Assignee: NexansInventors: Bjorn Willy Ness, Petter Thomas Holen, Jan Erik Karlsen
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Publication number: 20010035650Abstract: Umbilical hose joint for connecting the ends of two hoses (1, 2) to each other in order to establish a continuous hose having a substantially uniform diameter, said joint comprising an inner sleeve extending into the ends of the two hoses (1, 2), each hose being crimped to the sleeve by a hose fitting (6, 7), said inner sleeve (3) being made of a single piece.Type: ApplicationFiled: March 28, 2001Publication date: November 1, 2001Inventors: Svein Tangen, Bjorn Bjerke, Jan-Erik Karlsen
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Patent number: 6276874Abstract: A subsea steep wave lock and guide mechanism (1) for elongated articles (2) such as cables, pipes and umbilicals provides a substantially horizontal inlet (6) for the article at seabed level and a substantially vertical flexible article outlet (4) leading to the steep wave. The lock and guide mechanism (1) includes a number of lockable/releasable gates (20-24) for restricting and defining allowable movements of the article in the horizontal as well as in the vertical direction.Type: GrantFiled: January 19, 1999Date of Patent: August 21, 2001Assignee: AlcatelInventors: John Øivind Nørholmen, Jan Erik Karlsen, Knut Ivar Ekeberg
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Publication number: 20010005646Abstract: A cable connector for a direct heating cable system for a pipeline (4) where a direct heating cable is connected to the pipeline at two remote points, the cable (3) comprising a cone (1) connected to the end, the cone (1) comprising means for connecting releasably a bolt (9) coaxially to the cone (1), a pulling wire (7) being secured to the bolt (9) adapted to pull the cone (1) and the cable (3) into a connector (2) secured to the pipeline and having an inner shape corresponding with the outer shape of the cone (1), the connector (2) being adapted to lock the cone (1) to the connector (2) and release the pulling wire (7) from the cone (1).Type: ApplicationFiled: December 5, 2000Publication date: June 28, 2001Inventors: Bjorn Willy Ness, Petter Thomas Holen, Jan Erik Karlsen
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Patent number: 6193216Abstract: The present invention relates to an apparatus means for pulling an elongated article (3) through a curved tube (1),—such as the lower portion of a J-tube where the pulled end of the article is provided with a rigid installation head (2). The pulling apparatus includes a rod and ball device (5), the rod (6) being inserted through the ball (7) so that the rod extends from both sides of the ball,—one end (8) of the rod being attached to the head,—and the other end (9) of the rod being attached to a pulling wire (4).Type: GrantFiled: January 19, 1999Date of Patent: February 27, 2001Assignee: AlcatelInventors: Petter Tomas Holen, Jan Erik Karlsen
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Patent number: 5924741Abstract: The present invention relates to a weaklink device for controlled breaking of at least one interconnection (5) on an elongated article (2) such as an umbilical comprising one or more elongated elements such as metal tubes (3,4), said interconnection being of the disconnectable type having two coupler parts (6,7).Type: GrantFiled: August 6, 1997Date of Patent: July 20, 1999Assignee: AlcatelInventor: Jan Erik Karlsen