Patents by Inventor Carsten Christensen
Carsten Christensen 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: 11927464Abstract: Computer-implemented methods are disclosed for determining a flow rate of fluid flow at a target time through a pump, such as a centrifugal pump, the pump being driven by a pump motor. An illustrative method includes, in some aspects: receiving at least one set of previous parameter values including a first previous parameter value indicative of a first operational parameter of the pump motor at a previous time, earlier than the target time, and a second previous parameter value indicative of a second operational parameter of the pump motor at the previous time, and receiving a current set of parameter values including a first current parameter value indicative of the first operational parameter of the pump motor at the target time and a second current parameter value indicative of the second operational parameter of the pump motor at the target time.Type: GrantFiled: November 13, 2020Date of Patent: March 12, 2024Assignee: Grundfos Holding A/SInventors: Peter Elvekjær, Jesper Thørring Damgaard, Carsten Christensen
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Publication number: 20210148739Abstract: Computer-implemented methods are disclosed for determining a flow rate of fluid flow at a target time through a pump, such as a centrifugal pump, the pump being driven by a pump motor. An illustrative method includes, in some aspects: receiving at least one set of previous parameter values including a first previous parameter value indicative of a first operational parameter of the pump motor at a previous time, earlier than the target time, and a second previous parameter value indicative of a second operational parameter of the pump motor at the previous time, and receiving a current set of parameter values including a first current parameter value indicative of the first operational parameter of the pump motor at the target time and a second current parameter value indicative of the second operational parameter of the pump motor at the target time.Type: ApplicationFiled: November 13, 2020Publication date: May 20, 2021Inventors: Peter Elvekjær, Jesper Thørring Jensen, Carsten Christensen
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Publication number: 20190331118Abstract: An electromotorically driven pump (1) includes control electronics (6) for the connection of at least one sensor (5). The control electronics (6) are configured to detect values of an output signal (9) of the connected sensor (5) continuously or in temporal intervals, and after completion of a predefined time, to automatically set a measurement range of the sensor (5) based on the detected values.Type: ApplicationFiled: December 15, 2017Publication date: October 31, 2019Applicant: GRUNDFOS HOLDING A/SInventors: Jan Carøe AARESTRUP, Anders Silkær MIKKELSEN, Carsten CHRISTENSEN, Simon MØLGAARD MØLLER, Rasmus Ørndrup NIELSEN
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Patent number: 10066607Abstract: The present invention relates to a lightning current transfer system (100) adapted for usage in a wind turbine (W) having a hub (20) that is rotatably supported relative to a generator in a nacelle (30) and a plurality of blades (10) that are pivotably connected with the hub, wherein the hub (20) is covered by a spinner (20A). The lightning current transfer system (100) comprises a blade band (10A) mountable to the root of the blade (10); a lightning ring (80) mountable to the spinner (20A) facing the nacelle (30); a first contact device (70) mountable to the spinner (20A) adapted for providing lightning current transfer from the blade band (10A); a connecting device (75) for connecting the first contact device (70) with the lightning ring (80); and a second contact device (30B) mountable to the nacelle (30) and adapted for providing lightning current transfer from the lightning ring (80) to ground.Type: GrantFiled: October 3, 2014Date of Patent: September 4, 2018Assignee: Vestas Wind Systems A/SInventors: Morten Bagger Søgaard, Anders Niels Hansen, Claus Gron Lyngby, Niels Martin Henriksen, Benjamin Haastrup, Carsten Christensen, Jesper Lykkegaard Christensen, Martin Ahlmann
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Patent number: 9885374Abstract: A hydraulic system of a vehicle is provided, said system including: a first hydraulic circuit (1) having a first pressure source (2) and at least a first hydraulic consumer (3, 4), a second hydraulic circuit (5) having a second pressure source (6) and at least a second hydraulic consumer (7), connecting means (10, 11) allowing a flow of hydraulic fluid at least from said first hydraulic circuit (1) to said second hydraulic circuit (5), and control means (16) for controlling operation of said hydraulic consumers (3, 4, 7). Such a hydraulic system should allow safe operation of a vehicle with low energy consumption of the hydraulic system.Type: GrantFiled: October 6, 2015Date of Patent: February 6, 2018Assignee: Danfoss Power Solutions ApSInventor: Carsten Christensen
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Publication number: 20160252078Abstract: The present invention relates to a lightning current transfer system (100) adapted for usage in a wind turbine (W) having a hub (20) that is rotatably supported relative to a generator in a nacelle (30) and a plurality of blades (10) that are pivotably connected with the hub, wherein the hub (20) is covered by a spinner (20A). The lightning current transfer system (100) comprises a blade band (10A) mountable to the root of the blade (10); a lightning ring (80mountable to the spinner (20A) facing the nacelle (30); a first contact device (70) mountable to the spinner (20A) adapted for providing lightning current transfer from the blade band (10A); a connecting device (75) for connecting the first contact device (70) with the lightning ring (80); and a second contact device (30B) mountable to the nacelle (30) and adapted for providing lightning current transfer from the lightning ring (80) to ground.Type: ApplicationFiled: October 3, 2014Publication date: September 1, 2016Inventors: Morten Bagger Søgaard, Anders Niels Hansen, Claus Gron Lyngby, Niels Martin Henriksen, Benjamin Haastrup, Carsten Christensen, Jesper Lykkegaard Christensen, Martin Ahlmann
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Publication number: 20160108938Abstract: A hydraulic system of a vehicle is provided, said system including: a first hydraulic circuit (1) having a first pressure source (2) and at least a first hydraulic consumer (3, 4), a second hydraulic circuit (5) having a second pressure source (6) and at least a second hydraulic consumer (7), connecting means (10, 11) allowing a flow of hydraulic fluid at least from said first hydraulic circuit (1) to said second hydraulic circuit (5), and control means (16) for controlling operation of said hydraulic consumers (3, 4, 7). Such a hydraulic system should allow safe operation of a vehicle with low energy consumption of the hydraulic system.Type: ApplicationFiled: October 6, 2015Publication date: April 21, 2016Inventor: Carsten Christensen
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Patent number: 8444110Abstract: The invention concerns a valve arrangement (7) comprising a flow path (11) connecting an inlet (9) and an outlet (10), a closing means (12) arranged in said flow path (11), a resetting means and a first pressure in a first pressure chamber (14) acting in a closing direction on said closing means (12), a pressure of said outlet (10) and a second pressure in a second pressure chamber (18) corresponding to a pressure of said inlet (9) when said closing means (12) is closed acting in opening direction on said closing means (12), said first pressure chamber (14) being connectable to the outlet (10) via an auxiliary valve (13). It is intended to keep small a pressure pulse when opening the valve arrangement (7). This is achieved in that the closing means (12) having a first opening state (A) and a second opening state (B), a flow resistance of said closing means (12) in said first opening state (A) being larger than a flow resistance of said closing means in said second opening state (B).Type: GrantFiled: May 24, 2010Date of Patent: May 21, 2013Assignee: Danfoss A/SInventors: Verner Smidt, Lasse Nicolai Langmaack, Siegfried Zenker, Erik Haugaard, Carsten Christensen, Welm Friedrichsen
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Patent number: 8294237Abstract: The semiconductor component is intended for a sensor, in particular for a pressure sensor or differential pressure sensor, and includes a semiconductor substrate (1) in or on which electronic components (3) are formed and connected. The semiconductor substrate (1) is provided with an electrically insulated layer, and a metal-containing amorphous protective layer is formed from two metal-containing layers which have different chemical compositions and are vapor-deposited in succession.Type: GrantFiled: September 4, 2007Date of Patent: October 23, 2012Assignee: Grundfos Management a/sInventors: Gert Friis Eriksen, Roger De Reus, Carsten Christensen
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Publication number: 20110000555Abstract: The invention concerns a valve arrangement (7) comprising a flow path (11) connecting an inlet (9) and an outlet (10), a closing means (12) arranged in said flow path (11), a resetting means and a first pressure in a first pressure chamber (14) acting in a closing direction on said closing means (12), a pressure of said outlet (10) and a second pressure in a second pressure chamber (18) corresponding to a pressure of said inlet (9) when said closing means (12) is closed acting in opening direction on said closing means (12), said first pressure chamber (14) being connectable to the outlet (10) via an auxiliary valve (13). It is intended to keep small a pressure pulse when opening the valve arrangement (7). This is achieved in that the closing means (12) having a first opening state (A) and a second opening state (B), a flow resistance of said closing means (12) in said first opening state (A) being larger than a flow resistance of said closing means in said second opening state (B).Type: ApplicationFiled: May 24, 2010Publication date: January 6, 2011Applicant: Danfoss A/SInventors: Verner Smidt, Lasse Nicolai Langmaack, Siegfried Zenker, Erik Haugaard, Carsten Christensen, Welm Friedrichsen
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Patent number: 7823456Abstract: A pressure sensor is provided with a carrier (2), which in an inner region includes a membrane (4) on which at least one first measurement element (R1?) for detecting a pressure impingement of the membrane (4) is arranged. Additionally, at least one second measurement element (R3?) for detecting a pressure impingement of the membrane (4) is arranged on the membrane. The first measurement element (R1?) and the second measurement element (R3?) are arranged distanced differently far from the edge of the membrane. The output signals of the first and the second measurement element (R1?, R3?) are evaluated together in a manner such that the two measurement elements (R1?, R3?) detect a differential pressure acting on the membrane (4), and thereby compensate the influence of the system pressure acting on both sides of the membrane (4).Type: GrantFiled: March 17, 2009Date of Patent: November 2, 2010Assignee: Grundfos a/sInventors: Jens Peter Krog, Casper Pedersen, Carsten Christensen
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Patent number: 7703861Abstract: The invention concerns a brake valve arrangement of a vehicle having a trailer coupling and at least one controllable hydraulic consumer, with a brake valve (27). It is endeavored to provide a similar embodiment of a vehicle with such a brake valve arrangement. For this purpose, the brake valve (27) is combined with at least one control valve (11, 12) controlling the hydraulic consumer into forming a valve block (10) having several valve modules.Type: GrantFiled: January 18, 2006Date of Patent: April 27, 2010Assignee: Sauer-Danfoss ApsInventors: Carsten Christensen, Martin Raadkjaer Joergensen
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Publication number: 20100044810Abstract: The semiconductor component is intended for a sensor, in particular for a pressure sensor or differential pressure sensor, and includes a semiconductor substrate (1) in or on which electronic components (3) are formed and connected. The semiconductor substrate (1) is provided with an electrically insulated layer, and a metal-containing amorphous protective layer is formed from two metal-containing layers which have different chemical compositions and are vapor-deposited in succession.Type: ApplicationFiled: September 4, 2007Publication date: February 25, 2010Applicant: GRUNDFOS MANAGEMENT A/SInventors: Gert Friis Eriksen, Roger De Reus, Carsten Christensen
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Publication number: 20090211362Abstract: A pressure sensor is provided with a carrier (2), which in an inner region includes a membrane (4) on which at least one first measurement element (R1?) for detecting a pressure impingement of the membrane (4) is arranged. Additionally, at least one second measurement element (R3?) for detecting a pressure impingement of the membrane (4) is arranged on the membrane. The first measurement element (R1?) and the second measurement element (R3?) are arranged distanced differently far from the edge of the membrane. The output signals of the first and the second measurement element (R1?, R3?) are evaluated together in a manner such that the two measurement elements (R1?, R3?) detect a differential pressure acting on the membrane (4), and thereby compensate the influence of the system pressure acting on both sides of the membrane (4).Type: ApplicationFiled: March 17, 2009Publication date: August 27, 2009Applicant: GRUNDFOS A/SInventors: Jens Peter KROG, Casper PEDERSEN, Carsten CHRISTENSEN
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Patent number: 7509866Abstract: The invention relates to a pressure sensor with a carrier (2), which in an inner region comprises a membrane (4) on which at least one first measurement element (R1?) for detecting a pressure impingement of the membrane (4) is arranged, wherein additionally at least one second measurement element (R3?) for detecting a pressure impingement of the membrane (4) is arranged on the membrane, wherein the first measurement element (R1?) and the second measurement element (R3?) are arranged distanced differently far from the edge of the membrane, and the output signals of the first and the second measurement element (R1?, R3?) are evaluated together in a manner such that the two measurement elements (R1?, R3?) detect a differential pressure acting on the membrane (4), and thereby compensate the influence of the system pressure acting on both sides of the membrane (4).Type: GrantFiled: August 6, 2005Date of Patent: March 31, 2009Assignee: Grundfos a/sInventors: Jens Peter Krog, Casper Pedersen, Carsten Christensen
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Publication number: 20080022779Abstract: The invention relates to a pressure sensor with a carrier (2), which in an inner region comprises a membrane (4) on which at least one first measurement element (R1?) for detecting a pressure impingement of the membrane (4) is arranged, wherein additionally at least one second measurement element (R3?) for detecting a pressure impingement of the membrane (4) is arranged on the membrane, wherein the first measurement element (R1?) and the second measurement element (R3?) are arranged distanced differently far from the edge of the membrane, and the output signals of the first and the second measurement element (R1?, R3?) are evaluated together in a manner such that the two measurement elements (R1?, R3?) detect a differential pressure acting on the membrane (4), and thereby compensate the influence of the system pressure acting on both sides of the membrane (4).Type: ApplicationFiled: August 6, 2005Publication date: January 31, 2008Applicant: GRUNDFOS A/SInventors: Jens Peter Krog, Casper Pedersen, Carsten Christensen
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Publication number: 20060158025Abstract: The invention concerns a brake valve arrangement of a vehicle having a trailer coupling and at least one controllable hydraulic consumer, with a brake valve (27). It is endeavoured to provide a similar embodiment of a vehicle with such a brake valve arrangement. For this purpose, the brake valve (27) is combined with at least one control valve (11, 12) controlling the hydraulic consumer into forming a valve block (10) having several valve modules.Type: ApplicationFiled: January 18, 2006Publication date: July 20, 2006Applicant: Sauer-Danfoss ApsInventors: Carsten Christensen, Martin Joergensen
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Patent number: 7010984Abstract: The differential pressure sensor is formed of a semiconductor substrate (1) which is thinned out in an inner region into a membrane (2) which may be impinged by pressure on both sides. Measurement resistances (3a to 3d) for detecting the differential pressure (P1 minus P2) are formed within the membrane (2), and compensation resistances (4) are formed on the carrier, which are connected to measurement resistances (3). The measurement resistances (3) are connected into a first measurement bridge (6) and the compensation resistances (4a to 4d) into a second measurement bridge (7).Type: GrantFiled: July 2, 2004Date of Patent: March 14, 2006Assignee: Grundfos a/sInventors: Jens Peter Krog, Casper Pedersen, Carsten Christensen
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Patent number: 6971407Abstract: The invention concerns a hydraulic valve arrangement with a supply connection arrangement, which has a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, which has two working connections (A, B), which can be connected with a consumer, a directional valve and a compensation valve arranged between the directional valve and the supply connection arrangement, the pressure outlet of the compensation valve being connected with a pressure inlet of the directional valve. It is endeavoured to avoid dangerous situations, which occur because of uncontrolled pressures. For this purpose, it is ensured that the compensation valve has a relief outlet, which can be connected with the pressure outlet.Type: GrantFiled: December 12, 2003Date of Patent: December 6, 2005Assignee: Sauer-Danfoss APSInventors: Thorkild Christensen, Carsten Christensen, Siegfried Zenker
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Publication number: 20050011270Abstract: The differential pressure sensor is formed of a semiconductor substrate (1) which is thinned out in an inner region into a membrane (2) which may be impinged by pressure on both sides. Measurement resistances (3a to 3d) for detecting the differential pressure (P1 minus P2) are formed within the membrane (2), and compensation resistances (4) are formed on the carrier, which are connected to measurement resistances (3). The measurement resistances (3) are connected into a first measurement bridge (6) and the compensation resistances (4a to 4d) into a second measurement bridge (7).Type: ApplicationFiled: July 2, 2004Publication date: January 20, 2005Inventors: Jens Krog, Casper Pedersen, Carsten Christensen