Patents by Inventor Kurt Hohe
Kurt Hohe 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: 8162326Abstract: The invention relates to a flat gasket, having at least one metallic layer in which at least one port is formed, the metallic layer or at least one of the metallic layers (1) being formed at least in regions in the form of an undulating and/or serrated profiling (2) around the port(s).Type: GrantFiled: January 3, 2006Date of Patent: April 24, 2012Assignee: Dana Automotive Systems Group, LLCInventors: Kurt Höhe, Armin Gutermann, Gunther Unseld, Georg Egloff
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Patent number: 8128099Abstract: A gasket may have at least one metallic layer with at least one combustion gas through-opening and at least one fastener through-opening. The fastener through-opening may be at least partially circumferentially bounded by a deformation limiter having a plurality of troughs and crests. All of the troughs and crests are substantially aligned with one another.Type: GrantFiled: April 24, 2008Date of Patent: March 6, 2012Assignee: Dana Automotive Systems Group, LLCInventors: Uwe Duckek, Georg Egloff, Kurt Höhe, Günther Unseld, Hans Waldvogel
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Patent number: 7655341Abstract: The present invention relates to a bipolar plate for fuel cells, comprising at least a shaped, at least partially electrically conductive foil (1), the bipolar plate having a channel structure (5) formed by the shaping of the foil (1), to convey reactants to electrodes of adjacent fuel cells and to carry away reaction products, and a microstructure (4) is integrated into the foil (1) to increase the rigidity of the foil (1). The invention also relates to a method for manufacturing corresponding bipolar plates.Type: GrantFiled: March 31, 2004Date of Patent: February 2, 2010Assignee: Reinz-Dichtungs-GmbHInventors: Raimund Strobel, Bernd Gaugler, Ludwig Jorissen, Kurt Hohe, Joachim Scherer, Dominique Tasch
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Publication number: 20090166985Abstract: The invention relates to a flat gasket, having at least one metallic layer in which at least one port is formed, the metallic layer or at least one of the metallic layers being formed at least in regions in the form of an undulating and/or serrated profiling around the port(s).Type: ApplicationFiled: March 11, 2009Publication date: July 2, 2009Inventors: Kurt Hohe, Armin Gutermann, Gunther Unseld, Georg Egloff
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Publication number: 20090072493Abstract: A gasket may have at least one metallic layer with at least one combustion gas through-opening and at least one fastener through-opening. The fastener through-opening may be at least partially circumferentially bounded by a deformation limiter having a plurality of troughs and crests. All of the troughs and crests are substantially aligned with one another.Type: ApplicationFiled: April 24, 2008Publication date: March 19, 2009Inventors: Uwe Duckek, Georg Egloff, Kurt Hohe, Gunther Unseld, Hans Waldvogel
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Patent number: 7405017Abstract: The present invention relates to bipolar plate (1) as well as to a fuel cell assembly (2). The bipolar plate comprises two outer surfaces (3a, 3b) which are electrically connected to one another, for the electrical contacting, as well as the discharge and supply of gases and/or fluids to the surfaces of the fuel cells which are adjacent to the outer surfaces. The bipolar plate comprises a frame (7) open in the central region as well as an inner part (3) arranged in the central reign, wherein the frame and the inner part are elastically connected to one another.Type: GrantFiled: January 22, 2003Date of Patent: July 29, 2008Assignee: REINZ-Dichtungs - GmbHInventors: Raimund Strobel, Kurt Hohe, Kai Lemke, Dieter Grafl, Dominique Tasch, Markus Lemm
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Publication number: 20060284382Abstract: A metallic flat gasket is disclosed. The gasket includes at least two superimposed gasket layers which are connected to each other within at least one connecting area. A through opening is provided in the connecting area of each of the two gasket layers, with at least one projection in each case extending from the margin of the through opening into its interior. The projection is connected to the respective gasket layer, with the connection between the two gasket layers in the connecting area achieved by the at least one projection of the first gasket layer and the at least one projection of the second gasket layer. The projection of the first gasket layer is designed so as not to overlap with the at least one projection of the second gasket layer in a projection into the plane of the second gasket layer.Type: ApplicationFiled: June 16, 2006Publication date: December 21, 2006Inventors: Andreas Gottler, Kurt Hohe, Bernd Ruess
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Publication number: 20060254047Abstract: The present invention relates to supply plate (1), a base plate for the assembly of such a supply plate, as well as a method for manufacturing a supply plate for electrochemical systems. Two base plates (2a, 2b) are thermally joined to one another using a joining agent, wherein this joining agent (3) has a lower melting point than the material of the base plates (2a, 2b). At least one first base plate (2a) comprises at least one pocket (4a) into which joining agent is filled, and subsequently the second base plate (2b) is applied onto a joining plane (F) of the first plate, and a connection of the base plates (2a, 2b) is effected by way of the impact of heat on the joining agent.Type: ApplicationFiled: April 25, 2006Publication date: November 16, 2006Inventors: Raimund Stroebel, Bernd Gaugler, Dominique Tasch, Kurt Hohe
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Publication number: 20060097459Abstract: The invention relates to a flat gasket, having at least one metallic layer in which at least one port is formed, the metallic layer or at least one of the metallic layers (1) being formed at least in regions in the form of an undulating and/or serrated profiling (2) around the port(s).Type: ApplicationFiled: January 3, 2006Publication date: May 11, 2006Inventors: Kurt Hohe, Armin Gutermann, Gunther Unseld, Georg Egloff
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Patent number: 7000924Abstract: The invention relates to a flat gasket comprising at least one metallic layer, in which at least one continuous opening is made, whereby the or at least one metallic layer (1) is provided, at least in areas, in the shape of an undulated and/or serrated profiling (2) around the continuous opening(s).Type: GrantFiled: June 15, 2001Date of Patent: February 21, 2006Assignee: Dana CorporationInventors: Kurt Höhe, Armin Gütermann, Günther Unseld, Georg Egloff
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Publication number: 20050064267Abstract: The present application relates to a fuel cell system comprising a fuel cell stack (1) which has layers of a plurality of fuel cells (2) which are each separated from one another by bipolar plates (3; 3?). The bipolar plates have openings for cooling (4) or for the supply (5a) and discharge (5b) of media to/from the fuel cells. The fuel cell stack can be placed under mechanical compressive stress in the direction (6) of the layering. Resilient bead arrangements (7; 7?) are provided at least in regions to seal the openings (4, 5a, 5b, 10).Type: ApplicationFiled: November 25, 2002Publication date: March 24, 2005Inventors: Armin Guttermann, Armin Gutermann, Albrecht Sailer, Harald Rebien, Kurt Hohe, Thomas Zeiner
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Publication number: 20040217011Abstract: The present invention relates to a bipolar plate for fuel cells, comprising at least a shaped, at least partially electrically conductive foil (1), the bipolar plate having a channel structure (5) formed by the shaping of the foil (1), to convey reactants to electrodes of adjacent fuel cells and to carry away reaction products, and a microstructure (4) is integrated into the foil (1) to increase the rigidity of the foil (1). The invention also relates to a method for manufacturing corresponding bipolar plates.Type: ApplicationFiled: March 31, 2004Publication date: November 4, 2004Inventors: Raimund Strobel, Bernd Gaugler, Ludwig Jorissen, Kurt Hohe, Joachim Scherer, Dominique Tasch
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Publication number: 20040041352Abstract: The invention relates to a flat gasket comprising at least one metallic layer, in which at least one continuous opening is made, whereby the or at least one metallic layer (1) is provided, at least in areas, in the shape of an undulated and/or serrated profiling (2) around the continuous opening(s).Type: ApplicationFiled: May 22, 2003Publication date: March 4, 2004Inventors: Kurt Hohe, Armin Gutermann, Gunther Unseld, Georg Egloff
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Patent number: 6688606Abstract: The invention refers to gaskets suitable for usage in internal combustion engines. The gaskets according to the invention comprise at least one metal layer, the metal layer having one or several openings in accordance with the number and location of the combustion chambers, and, if present, coolant and lubricant passageways of the internal combustion engine, and a metal ring located around the combustion chamber opening(s), the metal ring being laminated on the metal layer and joined to the latter over a plastic layer. The plastic layer provides the gasket in the region of the metal ring with plastic, plastic/elastic or elastic characteristics. Furthermore the invention refers to a method for manufacturing the gasket according to the invention.Type: GrantFiled: May 4, 2001Date of Patent: February 10, 2004Assignee: Reinz-Dichtungs-GmbH CO. KG.Inventors: Kurt Hohe, Gunther Unseld
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Patent number: 6644669Abstract: A metal gasket is proposed, especially a cylinder head gasket for a combustion engine, which comprises a sealing plate having a combustion chamber through-hole, a deformation-limiting device lying adjacent to the combustion chamber through-hole and respectively one top and one bottom layer. The deformation-limiting device is configured as a symmetrical bead in relation to the top and bottom layers. A protrusion preferably provided with a radius is orientated towards one of the top and bottom layers and opposite thereto a depression facing the other of the top and bottom layers is provided which is surrounded by two raised portions projecting opposite the surface of the sealing plate. A filling is accommodated in the depression.Type: GrantFiled: March 26, 2001Date of Patent: November 11, 2003Assignee: Dana CorporationInventors: Gunther Unseld, Kurt Hohe
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Publication number: 20010045708Abstract: The invention refers to gaskets suitable for usage in internal combustion engines. The gaskets according to the invention comprise at least one metal layer, the metal layer having one or several openings in accordance with the number and location of the combustion chambers, and, if present, coolant and lubricant passageways of the internal combustion engine, and a metal ring located around the combustion chamber opening(s), the metal ring being laminated on the metal layer and joined to the latter over a plastic layer. The plastic layer provides the gasket in the region of the metal ring with plastic, plastic/elastic or elastic characteristics. Furthermore the invention refers to a method for manufacturing the gasket according to the invention.Type: ApplicationFiled: May 4, 2001Publication date: November 29, 2001Inventors: Kurt Hohe, Gunther Unseld
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Publication number: 20010040347Abstract: A metal gasket is proposed, especially a cylinder head gasket for a combustion engine, which comprises a sealing plate having a combustion chamber through-hole, a deformation-limiting device lying adjacent to the combustion chamber through-hole and respectively one top and one bottom layer. The deformation-limiting device is configured as a symmetrical bead in relation to the top and bottom layers. A protrusion preferably provided with a radius is orientated towards one of the top and bottom layers and opposite thereto a depression facing the other of the top and bottom layers is provided which is surrounded by two raised portions projecting opposite the surface of the sealing plate. A filling is accommodated in the depression.Type: ApplicationFiled: June 18, 2001Publication date: November 15, 2001Applicant: Dana CorporationInventors: Gunther Unseld, Kurt Hohe
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Patent number: 6315303Abstract: A gasket is provided that is suitable for use in connection with a cylinder head. The gasket includes a first outer plate including a compensating portion, a second outer plate including a compensating portion, and a compensating plate positioned between said first and second outer plates. Preferably, at least one of said first and second outer plates includes a bead positioned outside of, and in close proximity to, said compensation portion of said plate. The compensating plate includes a compensating element and an edge portion. In a preferred embodiment, the area between the compensating portions of said first and second outer plates defines a compensating area and said compensating element is positioned within said compensating area. If desired, the gasket may also include a spacer plate.Type: GrantFiled: September 21, 1999Date of Patent: November 13, 2001Assignee: Dana CorporationInventors: Wilfred Erb, Ralf Göttel, Franz Hieble, Kurt Höhe, Hans Katzmaier, Alexander Kögel, Thierry Lebailly, Josef Ludwig, Bernhard Obermeier, Edwin Puscher, Dominique Tasch, Günther Unseld, Hans-Dieter Waltenberg, Alfred Weiss, Frank Popielas
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Patent number: 5669615Abstract: The invention relates to a metal gasket, in particular a cylinder head gasket, having two beaded metallic cover sheets and having at least one sandwich sheet, which surrounds an opening. The sandwich sheet features a folded edge, that lies in the region of one of the beads of one of the cover sheets. Further, the folded edge is formed in the direction of one of the beads.Type: GrantFiled: December 4, 1996Date of Patent: September 23, 1997Assignee: Reinz-Dichtungs-Gesellschaft mbHInventors: Kurt Hohe, Hans Katzmaier, Josef Ludwig
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Patent number: 5039117Abstract: This invention relates to a flat gasket, and particularly a cylinder head gasket for internal combustion engines. In order to obtain a less expensive arrangement of the metallic seal and the soft material gasket ring, a direct procedure is adopted to provide a positive connection using metallic sealing projections provided on the seal.Type: GrantFiled: August 8, 1989Date of Patent: August 13, 1991Assignee: Reinz-Dichtungs-GmbHInventors: Bruno Gohrlich, Kurt Hohe