Patents by Inventor Wendelin Kluegl
Wendelin Kluegl 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: 10876452Abstract: A metering device for metering water or an aqueous solution, such as an injector for metering a reducing agent liquid into an exhaust gas stream of a combustion system or an injector for metering water or aqueous solution into a combustion chamber or into an intake manifold of an internal combustion engine. The metering device has an inlet and an outlet for the water or aqueous solution and a shut-off device which is arranged between the inlet and the outlet. At least one electrically operated heating element is arranged in the region of the shut-off device so as to heat and avoid freezing of the liquid.Type: GrantFiled: December 31, 2018Date of Patent: December 29, 2020Assignee: Continental Automotive GmbHInventors: Gerd Roesel, Wendelin Kluegl
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Patent number: 10378528Abstract: A pump for reducing agents of an exhaust gas purification system for an internal combustion engine of a motor vehicle includes: a diaphragm carrier; a diaphragm arranged on the diaphragm carrier, the diaphragm having a radially outer collar; and a pump housing configured to secure the radially outer collar of the diaphragm. The radially outer collar of the diaphragm has a reinforcing ring.Type: GrantFiled: November 5, 2015Date of Patent: August 13, 2019Assignee: Continental Automotive GmbHInventor: Wendelin Klügl
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Publication number: 20190136735Abstract: A metering device for metering water or an aqueous solution, such as an injector for metering a reducing agent liquid into an exhaust gas stream of a combustion system or an injector for metering water or aqueous solution into a combustion chamber or into an intake manifold of an internal combustion engine. The metering device has an inlet and an outlet for the water or aqueous solution and a shut-off device which is arranged between the inlet and the outlet. At least one electrically operated heating element is arranged in the region of the shut-off device so as to heat and avoid freezing of the liquid.Type: ApplicationFiled: December 31, 2018Publication date: May 9, 2019Inventors: GERD ROESEL, WENDELIN KLUEGL
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Publication number: 20180306177Abstract: A pump for reducing agents of an exhaust gas purification system for an internal combustion engine of a motor vehicle includes: a diaphragm carrier; a diaphragm arranged on the diaphragm carrier, the diaphragm having a radially outer collar; and a pump housing configured to secure the radially outer collar of the diaphragm. The radially outer collar of the diaphragm has a reinforcing ring.Type: ApplicationFiled: November 5, 2015Publication date: October 25, 2018Inventor: Wendelin KLÜGL
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Patent number: 8720852Abstract: The positioning of the actuating drive in a fuel injector with a piezoactuator (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactuator (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactuator (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactuator (2), there is also provided a compensation collar (9) of a suitable thickness.Type: GrantFiled: July 16, 2007Date of Patent: May 13, 2014Assignee: Continental Automotive GmbHInventors: Wilhelm Frank, Stefan Lehmann, Martin Neumaier, Gerd Schmutzler, Wendelin Kluegl, Guenter Lewentz, Reda Rizk
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Patent number: 7575180Abstract: The invention relates to an injection valve, comprising a control chamber (15) with a control piston (16) that is functionally linked with a nozzle needle (35). The control chamber (15) is linked, via an inlet throttle (13), with pressurized fuel, and with an outlet throttle (14) with a valve chamber (9). A servo valve (5) is disposed in the valve chamber (9), said servo valve opening a connection between the valve chamber (9) and a return element (40) depending on its position. The inventive injection valve further comprises a bypass throttle (12) that is interposed between the fuel feed line and the valve chamber.Type: GrantFiled: January 9, 2004Date of Patent: August 18, 2009Assignee: Siemens AktiengesellschaftInventors: Dirk Baranowski, Wendelin Klügl, Gerd Schmutzler, Joachim Wagner
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Publication number: 20080011972Abstract: The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactor (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactor (2), there is also provided a compensation collar (9) of a suitable thickness.Type: ApplicationFiled: July 16, 2007Publication date: January 17, 2008Inventors: Wilhelm Frank, Stefan Lehmann, Martin Neumaier, Gerd Schmutzler, Wendelin Kluegl, Guenter Lewentz, Reda Rizk
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Patent number: 7310986Abstract: The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactor (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactor (2), there is also provided a compensation collar (9) of a suitable thickness.Type: GrantFiled: January 16, 2004Date of Patent: December 25, 2007Assignee: Siemens AktiengesellschaftInventors: Wilhelm Frank, Stefan Lehmann, Martin Neumaier, Gerd Schmutzler, Wendelin Kluegl, Guenter Lewentz, Reda Rizk
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Patent number: 7216629Abstract: A high pressure injection system comprises at least one fuel high pressure accumulator, a control chamber and a valve, in addition to an injection valve having a valve needle and a control piston. The control chamber is connected to the high pressure accumulator by means of an inlet throttle and to the valve by means of an outlet throttle. The control chamber controls the movement of the control piston and the valve needle connected thereto. To this end, flow conditions of the fuel flowing into and out of the control chamber are regulated by means of the inlet throttle and the outlet throttle. The inlet throttle is configured as a multi-stage throttle.Type: GrantFiled: June 19, 2003Date of Patent: May 15, 2007Assignee: Siemens AktiengesellschaftInventors: Dirk Baranowski, Wendelin Klügl, Michael Von Dirke
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Patent number: 7202441Abstract: A method for producing a hole in a body, especially an injection hole in a fuel injector is disclosed. The hole (L) is first produced by a percussion boring process or a trepanation boring process using a laser. The percussion boring process lasts less than 3 seconds. The trepanation boring process lasts less than 10 seconds. After percussion boring or trepanation boring a smoothing step is carried out by forcing a medium that is mixed with abrasive particles under pressure through the hole until any roughnesses of surfaces (F) of the body that form the hole (L) are substantially removed.Type: GrantFiled: August 14, 2003Date of Patent: April 10, 2007Assignee: Siemens AktiengesellschaftInventors: Wendelin Klügl, Eberhard Kull, Gerd Schmutzler
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Patent number: 6997392Abstract: The invention relates to an injection valve (1) comprising a booster piston (23), said piston delimiting a pump chamber (22) and a booster chamber (29). A valve (14) is provided in the inlet to the chamber (22). The valve is configured as a 3/2-way valve and controls the pressure in the pump chamber (22). The pressure in the pump chamber (22) is converted into a correspondingly increased pressure in the booster chamber (29) and in an injection chamber (34) containing an injection needle (6), by means of the booster piston (23). The use of the valve (14) allows a precise control of the injection times.Type: GrantFiled: September 19, 2001Date of Patent: February 14, 2006Assignee: Siemens AktiengesellschaftInventors: Wendelin Klügl, Günter Lewentz, Martin Neumaier
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Patent number: 6983895Abstract: A temperature compensated actuator device comprises a piezoelectric stack having first and second ends along a central axis and having a first thermal expansion coefficient; and a compensator arranged on one end of the piezoelectric stack. The compensator comprises a first member in form of a cylinder; a second member in form of a piston plate wherein the first member and the second member are arranged movably along the axis with respect to each other and define a hollow space between them; and a compensation member having a thermal expansion coefficient higher than the first thermal expansion coefficient for filling the hollow space.Type: GrantFiled: October 9, 2003Date of Patent: January 10, 2006Assignees: Siemens Aktiengesellschaft, DST Siemens Diesel Systems Technology LLCInventors: Ulrich Augustin, Wendelin Klügl
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Patent number: 6917141Abstract: A device with a piezoelectric actuator (1) comprises two faces (2, 3) and two electroconductive contact paths (4, 5), each traversing the actuator (1) starting from at least one face (3). The actuator is clamped between two metallic plates (6, 7), each arranged against a face (2, 3). The piezoelectric actuator further comprises an electroinsulating layer (8) arranged between each face 92, 3) and the corresponding metallic plate (6, 7).Type: GrantFiled: March 5, 2004Date of Patent: July 12, 2005Assignee: Siemens AktiengesellschaftInventors: Hellmut Freudenberg, Wendelin Klügl, Marcus Unruh, Andreas Voigt, Claus Zumstrull
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Patent number: 6880528Abstract: The present invention relates to an accumulator-type injection system for injecting fuel from an accumulator into a combustion chamber of an internal combustion engine by means of injectors, the injectors being arranged completely within the cylinder head of the internal combustion engine.Type: GrantFiled: February 28, 2003Date of Patent: April 19, 2005Assignee: Siemens AktiengesellschaftInventors: Wendelin Klügl, Johann Warga, Marcus Unruh
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Publication number: 20040256499Abstract: The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactor (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactor (2), there is also provided a compensation collar (9) of a suitable thickness.Type: ApplicationFiled: January 16, 2004Publication date: December 23, 2004Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Wilhelm Frank, Stefan Lehmann, Martin Neumaier, Gerd Schmutzler, Wendelin Kluegl, Guenter Lewentz, Reda Rizk
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Patent number: 6789743Abstract: The invention relates to an injection valve, comprising a control chamber (15) with a control piston (16) that is functionally linked with a nozzle needle (35). The control chamber (15) is linked, via an inlet throttle (13), with pressurized fuel, and with an outlet throttle (14) with a valve chamber (9). A servo valve (5) is disposed in the valve chamber (9), said servo valve opening a connection between the valve chamber (9) and a return element (40) depending on its position. The inventive injection valve further comprises a bypass throttle (12) that is interposed between the fuel feed line and the valve chamber.Type: GrantFiled: September 27, 2002Date of Patent: September 14, 2004Assignee: Siemens AktiengesellschaftInventors: Dirk Baranowski, Wendelin Klügl, Gerd Schmutzler, Joachim Wagner
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Patent number: 6719221Abstract: The fuel injector has a housing that is formed from at least one nozzle tension nut, a first injector module and a second injector module. The first injector module and the second injector module adjoin one another and are disposed in the nozzle tension nut. A fuel high-pressure bore is led through the first injector module and the second injector module. A fuel return bore is disposed in the housing. Contact surfaces between the injector modules form a first gap that adjoins the high-pressure bore. Contact surfaces between the nozzle tension nut and the injector modules form a second gap that is connected to the first gap. The return line adjoins the second gap for the discharge of fuel that has entered the second gap from the high-pressure bore via the first gap. The fuel injector is such that the second gap is sealed off relative to the surroundings of the fuel injector.Type: GrantFiled: March 8, 2002Date of Patent: April 13, 2004Assignee: Siemens AktiengesellschaftInventors: Wendelin Klügl, Günter Lewentz, Gerd Schmutzler, Andreas Voigt
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Patent number: 6705587Abstract: The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), and the surface grinding of the housing (3) and base plate (4) of the piezoactor (2) when voltage is applied. Between the housing (1) of the fuel injector and the housing (3) of the piezoactor (2), there is also provided a compensation collar (9) of a suitable thickness.Type: GrantFiled: May 14, 2001Date of Patent: March 16, 2004Assignee: Siemens AktiengesellschaftInventors: Wilhelm Frank, Stefan Lehmann, Martin Neumaier, Gerd Schmutzler, Wendelin Kluegl, Guenter Lewentz, Reda Rizk
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Patent number: 6565017Abstract: Located between the frustoconical needle tip and the cylindrical needle shank of a nozzle needle of a fuel injection valve is a frustoconical needle portion, into which is introduced a peripheral groove. Through this kind of arrangement damping is capable of being set, depending on the position of the groove, during the axial movement of the nozzle needle.Type: GrantFiled: July 6, 2000Date of Patent: May 20, 2003Assignee: Siemens AktiengesellschaftInventors: Andreas Fath, Wilhelm Frank, Wendelin Klügl, Eberhard Kull, Günter Lewentz, Hakan Yalcin
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Patent number: 6561435Abstract: An injector for an injection system of an internal combustion engine, with an injector head (1), a nozzle (13) for injecting fuel, a control unit (12) for controlling the transfer of fuel from the injector head (1) to the nozzle (13) and an actuator (6) for the mechanical activation of the control unit (12) in order to control fuel injection, an injector housing (2), which receives at least the control unit (12), being integrally formed on the injector head (1) at the bottom.Type: GrantFiled: August 6, 2001Date of Patent: May 13, 2003Assignee: Siemens AktiengesellschaftInventor: Wendelin Kluegl