Patents by Inventor Thomas Klenk
Thomas Klenk 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: 11718373Abstract: A ballast seal for a sealing ring includes: a substantially annular potential equalization ring made of an electrically-conductive material and which can be brought into contact in a sealing manner with a surface to be sealed of a machine element to be sealed; and at least one shielding ring made of a soft magnetic material so as to shield against electromagnetic interfering waves.Type: GrantFiled: February 13, 2019Date of Patent: August 8, 2023Assignee: CARL FREUDENBERG KGInventors: Francois Colineau, Jens Hofmann, Thomas Klenk
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Patent number: 11560949Abstract: Sealing element for producing an electrically conductive connection between a first machine element and a second machine element, comprising at least one disc-shaped conducting element and a support ring, the support ring comprising an axial flange and a radial flanged, the conducting element being formed from an electrically conductive foil, and the conducting element being secured at least in sections along the axial flange between the support ring and the second machine element.Type: GrantFiled: September 30, 2019Date of Patent: January 24, 2023Assignee: CARL FREUDENBERG KGInventors: Guenter Hintenlang, Martin Heldmann, Thomas Klenk, Jens Hofmann
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Patent number: 11002363Abstract: A seal includes: a sealing ring made of a sealing material; and at least one shielding ring made a soft magnetic material for shielding against electromagnetic interfering waves. In an embodiment, the at least one shielding ring is formed by a ferrite ring. In an embodiment, the at least one shielding ring includes at least two shielding rings, the at least two shielding rings being arranged in a functional series connection.Type: GrantFiled: February 12, 2019Date of Patent: May 11, 2021Assignee: CARL FREUDENBERG KGInventors: Francois Colineau, Jens Hofmann, Thomas Klenk
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Publication number: 20200103028Abstract: Sealing element for producing an electrically conductive connection between a first machine element and a second machine element, comprising at least one disc-shaped conducting element and a support ring, the support ring comprising an axial flange and a radial flange, the conducting element being formed from an electrically conductive foil, and the conducting element being secured at least in sections along the axial flange between the support ring and the second machine element.Type: ApplicationFiled: September 30, 2019Publication date: April 2, 2020Inventors: Guenter HINTENLANG, Martin HELDMANN, Thomas KLENK, Jens HOFMANN
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Publication number: 20190277404Abstract: A seal includes: a sealing ring made of a sealing material; and at least one shielding ring made a soft magnetic material for shielding against electromagnetic interfering waves. In an embodiment, the at least one shielding ring is formed by a ferrite ring. In an embodiment, the at least one shielding ring includes at least two shielding rings, the at least two shielding rings being arranged in a functional series connection.Type: ApplicationFiled: February 12, 2019Publication date: September 12, 2019Inventors: Francois Colineau, Jens Hofmann, Thomas Klenk
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Publication number: 20190276119Abstract: A ballast seal for a sealing ring includes: a substantially annular potential equalization ring made of an electrically-conductive material and which can be brought into contact in a sealing manner with a surface to be sealed of a machine element to be sealed; and at least one shielding ring made of a soft magnetic material so as to shield against electromagnetic interfering waves.Type: ApplicationFiled: February 13, 2019Publication date: September 12, 2019Inventors: Francois Colineau, Jens Hofmann, Thomas Klenk
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Patent number: 10190690Abstract: Preliminary seal, comprising an essentially circular disc (1) of an electrically conductive material (2) permeable to air and a carrier body (3), wherein the disc (1) is configured as a separately produced individual part—in relation to the carrier body (3)—is joined to the carrier body (3).Type: GrantFiled: July 7, 2015Date of Patent: January 29, 2019Assignee: Carl Freudenberg KGInventors: Francois Colineau, Guenter Hintenlang, Thomas Klenk, Stefan Koenig
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Patent number: 10161522Abstract: A seal assembly having a sealing ring, including at least one dynamically stressed sealing lip (1) and a buffer seal (2), which is arranged adjacent to the sealing lip (1) at an axial distance (3) therefrom, wherein the buffer seal (2) is made of an electrically conductive material, and wherein the sealing lip (1) and the buffer seal (2) are adjacent to and in contact with a surface (5) to be sealed of a first machine element (6) to be sealed, wherein the first machine element (6) to be sealed is arranged adjacent to a second machine element (8) at a radial distance (7) therefrom, wherein the sealing ring (1) is arranged in the a gap (9) formed by the radial distance (7), wherein the first (6) and second machine elements (8) are in contact with the buffer seal (2) in an electrically conductive manner.Type: GrantFiled: August 22, 2013Date of Patent: December 25, 2018Assignee: Carl Freudenberg KGInventors: Francois Colineau, Guenter Hintenlang, Thomas Klenk
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Publication number: 20160010750Abstract: Preliminary seal, comprising an essentially circular disc (1) of an electrically conductive material (2) permeable to air and a carrier body (3), wherein the disc (1) is configured as a separately produced individual part—in relation to the carrier body (3)—is joined to the carrier body (3).Type: ApplicationFiled: July 7, 2015Publication date: January 14, 2016Inventors: Francois COLINEAU, Guenter HINTENLANG, Thomas KLENK, Stefan KOENIG
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Publication number: 20140203514Abstract: A seal assembly having a sealing ring, including at least one dynamically stressed sealing lip (1) and a buffer seal (2), which is arranged adjacent to the sealing lip (1) at an axial distance (3) therefrom, wherein the buffer seal (2) is made of an electrically conductive material, and wherein the sealing lip (1) and the buffer seal (2) are adjacent to and in contact with a surface (5) to be sealed of a first machine element (6) to be sealed, wherein the first machine element (6) to be sealed is arranged adjacent to a second machine element (8) at a radial distance (7) therefrom, wherein the sealing ring (1) is arranged in the a gap (9) formed by the radial distance (7), wherein the first (6) and second machine elements (8) are in contact with the buffer seal (2) in an electrically conductive manner.Type: ApplicationFiled: August 22, 2013Publication date: July 24, 2014Applicant: Carl Freudenberg KGInventors: Francois COLINEAU, Guenter HINTENLANG, Thomas KLENK
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Patent number: 8647758Abstract: An electrochemical energy storage device provides problem-free pressure compensation at a permanently high impermeability, includes a storage housing (1), which encases a volume, in which cells are accommodated, wherein the storage housing (1) protects the volume from the surroundings, and includes a volume compensation device (2), which compensates pressure differences between the interior of the storage housing (1) and the surroundings without a material replacement between the surroundings and the interior of the storage housing (1).Type: GrantFiled: August 12, 2010Date of Patent: February 11, 2014Assignee: Carl Freudenberg, KGInventors: Peter Kritzer, Thomas Klenk
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Publication number: 20110272895Abstract: A seal (2) for a housing, in particular, for a battery housing or for another electrochemical energy storage device, comprising a base body (5), the base body (5) having profile seals (6) with profiled sealing surfaces (7), and the profile seals (6) having first ends (6a) and second ends (6b) are interconnected by a corner connector (8) at one end (6a, 6b) of each seal.Type: ApplicationFiled: November 24, 2010Publication date: November 10, 2011Applicant: CARL FREUDENBERG KGInventors: Peter Kritzer, Frank Schoenberg, Thomas Kramer, Ricki Paul, Frank Lauer, Georg Puett, Olaf Nahrwold, Thomas Klenk
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Publication number: 20110045324Abstract: An electrochemical energy storage device provides problem-free pressure compensation at a permanently high impermeability, includes a storage housing (1), which encases a volume, in which cells are accommodated, wherein the storage housing (1) protects the volume from the surroundings, and includes a volume compensation device (2), which compensates pressure differences between the interior of the storage housing (1) and the surroundings without a material replacement between the surroundings and the interior of the storage housing (1).Type: ApplicationFiled: August 12, 2010Publication date: February 24, 2011Applicant: CARL FREUDENBERG KGInventors: Peter Kritzer, Thomas Klenk
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Patent number: 7309520Abstract: A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.Type: GrantFiled: February 26, 2002Date of Patent: December 18, 2007Assignee: Carl Freudenberg KGInventors: Steffen Kosack, Thomas Klenk, Ulrich Liedtke, Frank Schultz
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Patent number: 7017913Abstract: An axial shaft seal disposed between a housing wall and a rotating shaft includes an outer ring insertable into the housing wall in a stationary and sealing manner and an inner ring connectable to the shaft in a non-twisting and sealing manner. The outer ring includes a sleeve having a polymer material extending radially inward and having a spring bellows form. A radially inward end portion of the sleeve has a first sealing surface. The inner ring includes a ring flange extending radially outward so as to provide a second sealing surface for axially mating the first sealing face.Type: GrantFiled: June 25, 2003Date of Patent: March 28, 2006Assignee: Carl Freudenberg KGInventors: Thomas Klenk, Eberhard Bock, Thomas Kramer, Werner Hufnagel, Martin Heldmann, Markus Clemens, Gilbert Pataille
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Publication number: 20050067793Abstract: A radial shaft seal with a sealing element made of a non-woven fabric impregnated with an active material, particularly PTFE. The shaft seal is disposed between a stationary machine part and a rotating shaft. In the axial direction, the sealing element consists of at least one layer of non-woven fabric impregnated with a PTFE dispersion and laminated under pressure and heat.Type: ApplicationFiled: June 26, 2002Publication date: March 31, 2005Applicant: Carl Freeudenberg KGInventors: Thomas Klenk, Ulrich Liedtke, Frank Schultz, Eberhard Bock, Stephan Wetzel
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Publication number: 20040245729Abstract: A seal for sealing rotating shafts, or rods that move back and forth, comprising a shaft-sealing or rod-sealing element that has a sealing surface or sealing edge. The sealing element is provided on at least one of its surfaces with a facing that consists of a nonvowen material impregnated with a polymer dispersion.Type: ApplicationFiled: March 17, 2004Publication date: December 9, 2004Inventors: Eberhard Bock, Thomas Klenk
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Publication number: 20040239046Abstract: A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.Type: ApplicationFiled: July 19, 2004Publication date: December 2, 2004Inventors: Steffen Kosack, Thomas Klenk, Ulrich Liedtke, Frank Schultz
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Publication number: 20040227303Abstract: A cassette seal, particularly for machines exposed to a high degree of external dust or dirt particles, which between an outer ring and an inner ring, is provided with at least one dust barrier that can be exposed to dust. The at least one dust barrier consists of a nonwoven material impregnated with a polymer dispersion.Type: ApplicationFiled: April 2, 2004Publication date: November 18, 2004Inventors: Eberhard Bock, Thomas Klenk, Manfred Pfadt, Rolf Vogt
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Publication number: 20040217556Abstract: A sealing device, particularly for machine elements that move axially toward one another, with at least one sealing collar having a V-shaped cross-section, characterized in that the sealing collar consists of a PTFE nonwoven material.Type: ApplicationFiled: April 28, 2004Publication date: November 4, 2004Inventors: Thomas Klenk, Michael Kessler