Patents by Inventor Werner Teschner
Werner Teschner 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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Publication number: 20180372018Abstract: The invention relates to a fuel injection nozzle comprising a nozzle element (1) in which a pressure chamber (2) is formed which can be filled with pressurized fuel and in which a nozzle needle (3) is arranged in a longitudinally movable manner, a sealing surface (7) of said nozzle needle interacting with a nozzle seat (8) in order to open and close at least one injection opening (11). The nozzle needle (3) has a guide section (5) by means of which the nozzle needle is guided in a guide region (6) of the pressure chamber (2) in a radial direction. The nozzle needle (3) has a coating (20) at least in the region of the sealing surface (7), and the coating is a DLC layer (DLC=diamond-like carbon). In the open position, the nozzle needle (3) is electrically insulated from the nozzle element (1).Type: ApplicationFiled: November 15, 2016Publication date: December 27, 2018Inventors: Gerhard SUENDERHAUF, Mark-Florian FELLMANN, Ulrich MAY, Werner TESCHNER, Wilhelm CHRIST
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Patent number: 8332091Abstract: A method for operating a hybrid drive of a motor vehicle in particular. An internal combustion engine is connected to a generator via a force-conducting connection. In a learning mode, the generator is operated as a motor and drives the internal combustion engine. In this learning mode, a so-called zero quantity calibration is performed.Type: GrantFiled: November 16, 2010Date of Patent: December 11, 2012Assignee: Robert Bosch GmbHInventors: Dietmar Zeh, Holger Rapp, Thomas Pauer, Markus Rueckle, Werner Teschner
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Publication number: 20110118923Abstract: A method for operating a hybrid drive of a motor vehicle in particular. An internal combustion engine is connected to a generator via a force-conducting connection. In a learning mode, the generator is operated as a motor and drives the internal combustion engine. In this learning mode, a so-called zero quantity calibration is performed.Type: ApplicationFiled: November 16, 2010Publication date: May 19, 2011Inventors: Dietmar ZEH, Holger Rapp, Thomas Pauer, Markus Rueckle, Werner Teschner
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Patent number: 7347389Abstract: A fuel injection valve for internal combustion engines, having a valve body with a bore defined on its end toward the combustion chamber by a conical valve seat, with a valve needle disposed longitudinally displaceably in the bore and a sealing face with two sealing portions on its end toward the combustion chamber with the second conical face being disposed on the combustion chamber side of the first conical face. An annular groove extending between the conical faces has an end facing away from the combustion chamber which acts as a sealing edge upon contact of the valve sealing face with the valve seat. Recesses embodied in the valve seat and/or on the valve sealing face hydraulically connect the annular groove with a portion of the second conical face located on the combustion chamber side of the annular groove.Type: GrantFiled: April 25, 2003Date of Patent: March 25, 2008Assignee: Robert Bosch GmbHInventors: Markus Ohnmacht, Patrick Mattes, Werner Teschner, Wilhelm Christ, Friedrich Boecking
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Patent number: 7122764Abstract: A sheathed-element glow plug for self-igniting internal combustion engines has an electrical heating element which projects into a combustion chamber of the internal combustion engine, and a current feed-through for providing a heating current for the heating element through an opening in the combustion chamber. A switch is positioned in the region of the current feed-through, and the heating current may be controlled by the opening and closing of the switch.Type: GrantFiled: August 12, 2000Date of Patent: October 17, 2006Assignee: Robert Bosch GmbHInventors: Hans-Peter Bauer, Albrecht Geissinger, Johannes Locher, Werner Teschner, Jochen Neumeister
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Publication number: 20050284964Abstract: A fuel injection valve for internal combustion engines, having a valve body with a bore defined on its end toward the combustion chamber by a conical valve seat, with a valve needle disposed longitudinally displaceably in the bore and a sealing face with two sealing portions on its end toward the combustion chamber with the second conical face being disposed on the combustion chamber side of the first conical face. An annular groove extending between the conical faces has an end facing away from the combustion chamber which acts as a sealing edge upon contact of the valve sealing face with the valve seat. Recesses embodied in the valve seat and/or on the valve sealing face hydraulically connect the annular groove with a portion of the second conical face located on the combustion chamber side of the annular groove.Type: ApplicationFiled: April 25, 2003Publication date: December 29, 2005Inventors: Markus Ohnmacht, Patrick Mattes, Werner Teschner, Wilhelm Christ, Friedrich Boecking
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Publication number: 20050205693Abstract: A fuel injection valve for internal combustion engines, having a valve body in which a pistonlike valve needle is disposed in a bore is defined on its end toward the combustion chamber by a valve seat, which cooperates with a valve sealing face embodied on the valve needle, so that by the longitudinal motion of the valve needle, the opening of at least one injection opening embodied on the end toward the combustion chamber of the valve body is controlled. On the valve sealing face and/or on the valve seat, microscopic indentations are embodied.Type: ApplicationFiled: April 29, 2003Publication date: September 22, 2005Inventors: Werner Teschner, Claus Westphal, Wilhelm Christ, Ulrich Bothe, Alexander Redlich
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Patent number: 6745750Abstract: A fuel injection system, having a fuel injection valve and a control valve, which control valve has a control valve member that is longitudinally displaceable in a control valve bore. A control valve sealing face is embodied on the control valve member; it cooperates with a control valve seat and thus controls the communication between a first pressure space and a second pressure space; the first pressure space communicates with a high-pressure collection chamber. In a valve body, a bore is embodied in which a pistonlike valve needle, with its end toward the combustion chamber, controls the opening of at least one injection opening by executing a longitudinal motion in response to the pressure in a pressure chamber; the pressure chamber communicates with the second pressure space via an inlet conduit.Type: GrantFiled: November 25, 2002Date of Patent: June 8, 2004Assignee: Robert Bosch GmbHInventors: Walter Egler, Giovanni Ferraro, Hansjoerg Egeler, Achim Brenk, Wolfgang Klenk, Peter Boehland, Werner Teschner, Sebastian Kanne, Ingolf Kahleyss, Uwe Gordon, Manfred Mack
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Publication number: 20030127074Abstract: A fuel injection system, having a fuel injection valve (15) and a control valve (50), which control valve (50) has a control valve member (54) that is longitudinally displaceable in a control valve bore (52). A control valve sealing face (55) is embodied on the control valve member (54); it cooperates with a control valve seat (56) and thus controls the communication between a first pressure space (57) and a second pressure space (58); the first pressure space (57) communicates with a high-pressure collection chamber (10). In a valve body (25), a bore (30) is embodied in which a pistonlike valve needle (32), with its end toward the combustion chamber, controls the opening of at least one injection opening (38) by executing a longitudinal motion in response to the pressure in a pressure chamber (31); the pressure chamber (31) communicates with the second pressure space (58) via an inlet conduit (28).Type: ApplicationFiled: November 25, 2002Publication date: July 10, 2003Inventors: Walter Egler, Giovanni Ferraro, Hansjoerg Egeler, Achim Brenk, Wolfgang Klenk, Peter Boehland, Werner Teschner, Sebastian Kanne, Ingolf Kahleyss, Uwe Gordon, Manfred Mack
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Patent number: 6382186Abstract: A fuel injection valve for internal combustion engines, having a holder body, which can be braced with a valve body that protrudes into the engine combustion chamber. A fuel inflow conduit extending from one end is provided that is formed by a longitudinal bore and a transverse bore that intersects the longitudinal bore. The injection port of the transverse bore forms a lateral pressure connection on a radial circumferential wall of the holder body for a fuel delivery line. In the region of a radial circumferential wall face opposite the lateral pressure connection, the holder body has a radially inward-pointing flat face.Type: GrantFiled: December 1, 1999Date of Patent: May 7, 2002Assignee: Robert Bosch GmbHInventors: Walter Kulovits, Juergen Gottschling, Werner Teschner
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Patent number: 6054680Abstract: A sheathed type glow plug preheats the combustion chamber mixture of an auto-ignition internal combustion engine. The sheathed type glow plug comprises a ceramic heating apparatus; the resistance of the ceramic heating apparatus is increased by a reduction in cross section at the point which is most accessible to the combustion chamber mixture.Type: GrantFiled: November 3, 1997Date of Patent: April 25, 2000Assignee: Robert Bosch GmbHInventors: Johannes Locher, Albrecht Geissinger, Juergen Oberle, Werner Teschner, Horst Boeder, Karl-Heinz Heussner
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Patent number: 6046434Abstract: A sheathed-element glow plug for placement in the combustion chamber of an air-compressing internal combustion engine includes a sheath, a connector element for the glow current, and a tube secured in the sheath sealed at its end facing away from the sheath. A wire filament arrangement is embedded in insulating material within the part of the tube which protrudes from the sheath. The tube functions as a glow pencil. The sheath is manufactured using a first part, a second part, and an intermediate piece. The length of the intermediate piece is adjusted depending on the desired length of the sheathed-element glow plug.Type: GrantFiled: July 1, 1998Date of Patent: April 4, 2000Assignee: Robert Bosch GmbHInventors: Johannes Locher, Werner Teschner, Jorg-Chr. Nissen
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Patent number: 5961888Abstract: A ceramic electric resistor is proposed which can be made by means of ceramizing at least one organo-silicon polymer and at least one filler. The filler comprises at least one high-melting electrically conductive component, with the filler portion amounting to 20 to 50 vol. % relative to the solvent-free polymer-filler mixture. The specific electrical resistance can be set by varying the filler portion. The ceramic electric resistor is particularly suited as heating conductor for pencil-type glow plugs.Type: GrantFiled: August 10, 1998Date of Patent: October 5, 1999Assignee: Robert Bosch GmbHInventors: Albrecht Geissinger, Juergen Oberle, Werner Teschner, Horst Boeder, Karl-Heinz Heussner
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Patent number: 5816220Abstract: In a process and in a device for monitoring a fuel delivery system, in particular a common rail system for a diesel engine, a defect in the delivery system is found when a signal from a temperature sensor and/or a pressure sensor deviates from a predetermined value.Type: GrantFiled: April 30, 1997Date of Patent: October 6, 1998Assignee: Robert Bosch GmbHInventors: Gerhard Stumpp, Johannes Locher, Claus Maier, Jurgen Biester, Werner Teschner, Wilhelm Eyberg, Jochen Neumeister
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Patent number: 5319180Abstract: A sheathed-element glow plug for disposition in the combustion chamber of air-compressing internal combustion engines is proposed which in a known manner contains a resistor element (17) in its sheathed-element (13), where this resistor element (17) is composed of two serially connected resistor spirals (20, 21). While the resistor spiral (20) on the combustion chamber side is a heater spiral with a resistance behavior which is essentially the same at all operating temperatures, the wirespiral shaped resistance spiral (21) on the side remote from the combustion chamber which acts as a regulating element, has a high temperature resistance coefficient.Type: GrantFiled: June 26, 1992Date of Patent: June 7, 1994Assignee: Robert Bosch GmbHInventors: Johannes Locher, Friedrich Muhleder, Bernhard Kaczynski, Werner Teschner