Patents by Inventor Juergen Hanneke
Juergen Hanneke 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: 11428134Abstract: The invention relates to a heating device (6) for a tank (2) of an exhaust gas aftertreatment agent system, having a carrier (7) and having a plurality of heating elements (10) arranged on the carrier (7). According to the invention, the carrier (7) has a plurality of carrying elements (8), which are connected to one another in an articulated manner, and at least one spring element (13), which applies a spring force to at least two of the carrying elements (8). The carrier (7) is thus formed to be flexible or deformable overall, wherein the carrier is forced into a final shape by the spring element.Type: GrantFiled: October 12, 2017Date of Patent: August 30, 2022Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Ruben Schreiber
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Patent number: 10767530Abstract: A heat sink (2) for an injection/metering valve (4) has a coolant chamber (8) which is designed for receiving a fluid coolant. The coolant chamber (8) has at least one inlet (14) for supplying the coolant and at least one outlet (16) for removing the coolant. The at least one inlet (14) and/or outlet (16) has a pipe segment (20, 22) which extends with one end into the coolant chamber (8). The coolant-chamber-side end of the pipe segment (20, 22) is bevelled, and therefore the coolant-chamber-side end of the pipe segment (20, 22) is in contact at at least one point along its circumference with a baffle (12) arranged in the coolant chamber (8), and the end of the pipe segment (20, 22) is spaced apart at another point along its circumference from the baffle (12).Type: GrantFiled: May 3, 2017Date of Patent: September 8, 2020Assignee: Robert Bosch GmbHInventor: Juergen Hanneke
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Publication number: 20190353073Abstract: The invention relates to a heating device (6) for a tank (2) of an exhaust gas aftertreatment agent system, having a carrier (7) and having a plurality of heating elements (10) arranged on the carrier (7). According to the invention, the carrier (7) has a plurality of carrying elements (8), which are connected to one another in an articulated manner, and at least one spring element (13), which applies a spring force to at least two of the carrying elements (8). The carrier (7) is thus formed to be flexible or deformable overall, wherein the carrier is forced into a final shape by the spring element.Type: ApplicationFiled: October 12, 2017Publication date: November 21, 2019Inventors: Juergen Hanneke, Ruben Schreiber
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Publication number: 20190292965Abstract: A heat sink (2) for an injection/metering valve (4) has a coolant chamber (8) which is designed for receiving a fluid coolant. The coolant chamber (8) has at least one inlet (14) for supplying the coolant and at least one outlet (16) for removing the coolant. The at least one inlet (14) and/or outlet (16) has a pipe segment (20, 22) which extends with one end into the coolant chamber (8). The coolant-chamber-side end of the pipe segment (20, 22) is bevelled, and therefore the coolant-chamber-side end of the pipe segment (20, 22) is in contact at at least one point along its circumference with a baffle (12) arranged in the coolant chamber (8), and the end of the pipe segment (20, 22) is spaced apart at another point along its circumference from the baffle (12).Type: ApplicationFiled: May 3, 2017Publication date: September 26, 2019Inventor: Juergen Hanneke
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Publication number: 20180252138Abstract: A carrier assembly for a selective catalytic reduction system includes a heater, at least one wire heater, a first holding element, and a second holding element. The heater is configured to heat a working medium from a tank. A first end of the wire heater is connected to the first holding element and a second end of the wire heater is connected to the second holding element. Such a carrier can be included in a supply module and a selective catalytic reduction system.Type: ApplicationFiled: March 1, 2018Publication date: September 6, 2018Inventors: Juergen Hanneke, Suresh Kumar Palanisamy
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Patent number: 9279400Abstract: The invention relates to an injection device (1), designed in particular for injecting fluid into an exhaust tract of an internal combustion engine, having a valve needle (14), an injection chamber (12) having at least one injection opening (44), and a control chamber (20). The injection device (1) is designed such that a pressure differential between the injection chamber (12) and the control chamber (20) brings about a displacement of the valve needle (14) between an open position in which a fluid flow through the injection opening (44) from the injection chamber (12) is released, and a closed position, in which the injection opening (44) is closed off.Type: GrantFiled: July 19, 2011Date of Patent: March 8, 2016Assignee: Robert Bosch GmbHInventors: Jochen Doehring, Wolfgang Ripper, Juergen Hanneke, Godehard Nentwig
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Patent number: 9206779Abstract: The invention relates to an injection device, in particular for injecting fluid into an exhaust tract of an internal combustion engine, having a valve unit which comprises a valve needle, an injection chamber having at least one injection opening, and a control chamber, wherein the injection device is designed so that a pressure differential between the injection chamber and the control chamber brings about a displacement of the valve needle between an open position in which the valve needle releases a fluid flow through the injection opening, and a closed position in which the valve needle closes off the injection opening. The injection device also has a pump unit integrated in the injection device. The pump unit is designed so as to draw in fluid from the fluid inlet during operation and to provide said fluid to the valve unit under increased pressure.Type: GrantFiled: July 18, 2011Date of Patent: December 8, 2015Assignee: Robert Bosch GmbHInventors: Nestor Rodriguez-Amaya, Jochen Doehring, Juergen Hanneke, Godehard Nentwig
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Publication number: 20130214057Abstract: The invention relates to an injection device (1), designed in particular for injecting fluid into an exhaust tract of an internal combustion engine, having a valve needle (14), an injection chamber (12) having at least one injection opening (44), and a control chamber (20). The injection device (1) is designed such that a pressure differential between the injection chamber (12) and the control chamber (20) brings about a displacement of the valve needle (14) between an open position in which a fluid flow through the injection opening (44) from the injection chamber (12) is released, and a closed position, in which the injection opening (44) is closed off.Type: ApplicationFiled: July 19, 2011Publication date: August 22, 2013Applicant: ROBERT BOSCH GMBHInventors: Jochen Doehring, Wolfgang Ripper, Juergen Hanneke, Godehard Nentwig
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Publication number: 20130119161Abstract: The invention relates to an injection device (2), in particular for injecting fluid into an exhaust tract of an internal combustion engine, having a valve unit which comprises a valve needle (6), an injection chamber (38) having at least one injection opening (8), and a control chamber (36), wherein the injection device (2) is designed so that a pressure differential between the injection chamber (38) and the control chamber (36) brings about a displacement of the valve needle (6) between an open position in which the valve needle (6) releases a fluid flow (through the injection opening (8), and a closed position in which the valve needle (6) closes off the injection opening (8). The injection device (2) also has a pump unit integrated in the injection device (2). The pump unit is designed so as to draw in fluid from the fluid inlet (32) during operation and to provide said fluid to the valve unit under increased pressure.Type: ApplicationFiled: July 18, 2011Publication date: May 16, 2013Applicant: ROBERT BOSCH GMBHInventors: Nestor Rodriguez-Amaya, Jochen Doehring, Juergen Hanneke, Godehard Nentwig
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Patent number: 8136741Abstract: Disclosed is a fuel injection device comprising a housing and a valve element disposed therein and cooperating with a valve seat located in the area of at least one fuel discharge port. The valve element is composed of several parts while at least two parts of the valve element are coupled to each other via a hydraulic coupler.Type: GrantFiled: May 31, 2006Date of Patent: March 20, 2012Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Nadja Eisenmenger, Achim Brenk, Lorenz Zerle, Michael Mennicken, Helmut Clauss, Hans-Christoph Magel, Dirk Vahle, Andreas Kellner, Hrvoje Lalic, Joachim Boltz, Falko Bredow, Martin Katz
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Patent number: 7992544Abstract: The invention relates to a fuel injector which has a retaining body and an injection nozzle nut. An expansion sleeve, which can be supplied with hydraulic fluid, is provided around the periphery of the fuel injector, in particular around the periphery of the retaining body. The expansion sleeve includes at least one pocket-type recess, which can be supplied with hydraulic fluid.Type: GrantFiled: December 6, 2007Date of Patent: August 9, 2011Assignee: Robert Bosch GmbHInventor: Juergen Hanneke
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Patent number: 7748364Abstract: The invention relates to a fuel-injection system (102), in which a rail (120) is provided for each injector between a high-pressure fuel pump (111) and said injectors (116).Type: GrantFiled: October 20, 2005Date of Patent: July 6, 2010Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Andreas Wengert, Kurt Blank
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Publication number: 20100043756Abstract: The invention relates to a fuel injector which has a retaining body and an injection nozzle nut. An expansion sleeve, which can be supplied with hydraulic fluid, is provided around the periphery of the fuel injector, in particular around the periphery of the retaining body. The expansion sleeve includes at least one pocket-type recess, which can be supplied with hydraulic fluid.Type: ApplicationFiled: December 6, 2007Publication date: February 25, 2010Inventor: Juergen Hanneke
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Publication number: 20090145400Abstract: A fuel injection system (102) is proposed, in which between a high-pressure pump (111) and the injectors (116), one pressure reservoir (120) for each injector is provided.Type: ApplicationFiled: October 20, 2005Publication date: June 11, 2009Inventors: Juergen Hanneke, Andreas Wengert, Kurt Blank
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Publication number: 20080246228Abstract: According to the invention, a sealing disc (16) serves to seal off a fuel injector with respect to an engine block of an internal combustion engine. Said sealing disc (16) comprises an inner opening (24) and a captive securing means (28) for captive retention on the fuel injector. It is proposed according to the invention that the sealing disc (16) has, overall, at least one support layer (30) and at least two sealing layers (32, 34) arranged to each side of the support layer (30), wherein the support layer (30) is made from a stiffer material than the sealing layers (32, 34), and that the captive securing means comprises, at an edge of the inner opening, at least one radially inwardly extending lug-like projection (28).Type: ApplicationFiled: October 24, 2006Publication date: October 9, 2008Inventors: Juergen Hanneke, Andreas Gaudl
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Publication number: 20080210787Abstract: Disclosed is a fuel injection device comprising a housing and a valve element disposed therein and cooperating with a valve seat located in the area of at least one fuel discharge port. The valve element is composed of several parts while at least two parts of the valve element are coupled to each other via a hydraulic coupler.Type: ApplicationFiled: May 31, 2006Publication date: September 4, 2008Inventors: Juergen Hanneke, Nadja Eisenmenger, Achim Brenk, Lorenz Zerle, Michael Mennicken, Helmut Clauss, Hans-Christoph Magel, Dirk Vahle, Andreas Kellner, Hrvoje Lalic, Joachim Boltz, Falko Bredow, Martin Katz
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Patent number: 7066410Abstract: The invention relates to a common rail injector for injecting fuel in a common rail injection system of an internal combustion engine, having an injector housing, which communicates with a central high-pressure reservoir and in which a nozzle needle is axially displaceable in order to adjust the injection as a function of the pressure in a control chamber, and having a sealing element, which is disposed in an annular chamber that is provided between a valve element and the injector housing. In addition to the sealing element, a support device is disposed in the annular chamber between the valve element and the injector housing.Type: GrantFiled: April 10, 2001Date of Patent: June 27, 2006Assignee: Robert Bosch GmbHInventors: Siegfried Ruthardt, Juergen Hanneke, Holger Rapp
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Patent number: 6874706Abstract: A solenoid valve for a fuel injector for injecting fuel into the combustion chamber of an internal combustion engine having an injector body which includes an electromagnet. An armature group of the solenoid valve may be actuated by this electromagnet to relieve the pressure in a control chamber, so that a nozzle needle/tappet assembly in the injector body implements an opening/closing movement. The armature group includes a first and a second armature part. The first armature part and the second armature part are joined to one another by an insert-and-twist connection, one of the armature parts being enclosed by an armature guide which includes anti-rotation elements.Type: GrantFiled: June 19, 2002Date of Patent: April 5, 2005Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Andreas Gaudl, George Anthony
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Patent number: 6827332Abstract: A solenoid valve having a magnet assembly and an injector body connected thereto, the magnet assembly and the injector body being joined together using a crimped retaining ring as the connecting element.Type: GrantFiled: October 22, 2002Date of Patent: December 7, 2004Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Daniel Koehler
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Patent number: 6808125Abstract: The invention relates to a common rail injector for injecting fuel in a common rail injection system of an internal combustion engine, having an injector housing which communicates with a central high-pressure reservoir and in which a nozzle needle that cooperates with a valve piston which is guided in a valve piece is axially displaceable. To increase the service life of the injector, the end toward the nozzle needle of the valve piston or of a thrust rod triggered by the valve piston is guided coaxially to the axis of symmetry of the nozzle needle.Type: GrantFiled: April 30, 2001Date of Patent: October 26, 2004Assignee: Robert Bosch GmbHInventors: Siegfried Ruthardt, Juergen Hanneke, Prakash-George Anthony, Holger Rapp