Patents by Inventor Pascal Woerner
Pascal Woerner 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: 20240006639Abstract: The invention relates to a fuel cell system comprising: a fuel cell arrangement having at least one fuel cell and an air inlet, a feed line connected to the air inlet, a central air filter device which is connected to an inlet of the feed line either directly or via a distributor block, and a compressor which is located in the feed line and which is designed to suck in ambient air through the central air filter device and to convey said air through the feed line to the air inlet of the fuel cell arrangement. The invention also relates to a decentralized air filter system, which is designed to filter, downstream of the central filter device, air conveyed from the compressor to the air inlet. The decentralized air filter system comprises at least one decentralized air filter device which is located in the feed line between the compressor and the air inlet of the fuel cell arrangement, in the distributor block, or in the central air filter device.Type: ApplicationFiled: November 5, 2021Publication date: January 4, 2024Inventors: Gregory Rewers, Alexander Gluschke, Pascal Woerner
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Patent number: 9982651Abstract: A laser spark plug, in particular for an internal combustion engine, having a combustion chamber window through which laser radiation may be emitted from an interior of the laser spark plug toward an exterior, the laser spark plug having a component which surrounds at least part of the beam path of the laser radiation in the area of the exterior. In particular, the laser spark plug, in the area of the component, has at least one channel which has at least two orifice sections and which allows fluid communication between the orifice sections, a first orifice section being situated in the area of an outer surface of the combustion chamber window, and a second orifice section being situated in a radially outer area of the laser spark plug, in particular of the component.Type: GrantFiled: May 29, 2012Date of Patent: May 29, 2018Assignee: ROBERT BOSCH GMBHInventors: Pascal Woerner, Joerg Engelhardt, Martin Weinrotter
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Patent number: 9954343Abstract: A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.Type: GrantFiled: February 4, 2016Date of Patent: April 24, 2018Assignee: ROBERT BOSCH GMBHInventors: Joerg Engelhardt, Dieter Wolz, Juergen Raimann, Pascal Woerner, Martin Weinrotter
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Patent number: 9742156Abstract: A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.Type: GrantFiled: September 24, 2012Date of Patent: August 22, 2017Assignee: ROBERT BOSCH GMBHInventors: Joerg Engelhardt, Dieter Wolz, Juergen Raimann, Pascal Woerner, Martin Weinrotter
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Patent number: 9638159Abstract: A laser spark plug configured to be installed into a plug shaft of an internal combustion engine, and to focus laser ignition energy into the combustion chamber via combustion chamber-side, and thus proximal end, of the laser spark plug has, at a distal end of the laser spark plug opposite to the proximal end, a connecting unit for detachable mechanical and thermal connection to a cooler, the connecting unit being designed to permit the connecting and the disconnecting of the cooler when the laser spark plug is installed in the plug shaft.Type: GrantFiled: June 1, 2012Date of Patent: May 2, 2017Assignee: ROBERT BOSCH GMBHInventors: Karl-Heinz Nuebel, Pascal Woerner, Juergen Raimann, Rene Hartke, Joerg Engelhardt, Martin Weinrotter
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Publication number: 20160344163Abstract: A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.Type: ApplicationFiled: September 24, 2012Publication date: November 24, 2016Inventors: Joerg Engelhardt, Dieter Wolz, Juergen Raimann, Pascal Woerner, Martin Weinrotter
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Patent number: 9377003Abstract: Laser spark plug for an internal combustion engine has at least one laser unit for guiding, shaping and/or generating laser radiation, further including a combustion chamber window, and a housing which has, on the opposite side of the combustion chamber window from the laser unit, an aperture for the passage of the laser radiation guided, shaped and/or generated by the laser unit into a combustion chamber, the length of the aperture being 4 mm or more.Type: GrantFiled: March 25, 2011Date of Patent: June 28, 2016Assignee: ROBERT BOSCH GMBHInventors: Pascal Woerner, Juergen Raimann, Joerg Engelhardt, Martin Weinrotter
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Publication number: 20160153421Abstract: A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.Type: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Inventors: Joerg ENGELHARDT, Dieter WOLZ, Juergen RAIMANN, Pascal WOERNER, Martin WEINROTTER
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Patent number: 9347421Abstract: A laser ignition device for an internal combustion engine, encompassing an ignition laser having a combustion chamber window, such that until startup of the laser ignition device, the combustion chamber window is equipped with a protective layer.Type: GrantFiled: October 27, 2011Date of Patent: May 24, 2016Assignee: ROBERT BOSCH GMBHInventors: Pascal Woerner, Juergen Raimann, Joerg Engelhardt, Martin Weinrotter
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Patent number: 9316200Abstract: A laser spark plug for an internal combustion engine has at least one laser unit for guiding, shaping, and/or for producing laser radiation, a combustion chamber window, and a housing which has, at the side of the combustion chamber window situated opposite the laser unit, a screen for the passage of the laser radiation guided, shaped, and/or produced by the laser unit into a combustion chamber, the screen having a first end facing the combustion chamber and a second end facing away from the combustion chamber, the inner contour of the screen having an extremal cross-section in a region that is situated at a distance both from the first and second ends.Type: GrantFiled: March 25, 2011Date of Patent: April 19, 2016Assignee: ROBERT BOSCH GMBHInventors: Pascal Woerner, Juergen Raimann, Joerg Engelhardt, Martin Weinrotter
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Patent number: 9284939Abstract: A laser spark plug for an internal combustion engine includes at least one element for guiding, shaping and/or generating laser radiation, a combustion chamber window and a housing. The housing has, on the opposite side of the combustion chamber window from the element, an aperture for the passage of the laser radiation guided, shaped and/or generated by the element into a prechamber disposed at the end of the housing on the combustion chamber side. At least one overflow channel is provided for a fluid connection between an internal space of the prechamber and a combustion chamber surrounding the prechamber. When a fluid flows into the internal space of the prechamber through the overflow channel, a fluid flow is obtained that enters the interior of the aperture at a minimum angle ?, in particular measured with respect to the longitudinal axis of the laser spark plug, of 45°.Type: GrantFiled: April 5, 2011Date of Patent: March 15, 2016Assignee: ROBERT BOSCH GMBHInventors: Pascal Woerner, Juergen Raimann, Joerg Engelhardt, Martin Weinrotter
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Patent number: 9133813Abstract: A laser spark plug, in particular for an internal combustion engine, having an arrangement or structure for coupling, especially focusing, laser radiation in or on an ignition point, including an arrangement or structure for influencing a fluid flow disposed in an end region of the laser spark plug on the side of the combustion chamber, which constitute an essentially sleeve-shaped extension of the laser spark plug in the direction of the combustion chamber, in which the arrangement or structure for influencing the fluid flow is configured to influence the fluid flow in the region of the ignition point.Type: GrantFiled: July 14, 2009Date of Patent: September 15, 2015Assignee: ROBERT BOSCH GMBHInventors: Markus Kraus, Martin Weinrotter, Pascal Woerner, Friedrich Gruber
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Publication number: 20150027394Abstract: A casing for a laser spark plug, in particular, of an internal combustion engine of a motor vehicle, or of a stationary engine; the casing including at least one casing part and a combustion chamber window joined to the casing part to form a seal at least regionally; characterized in that at least one sealing element, whose coefficient of thermal expansion at an operating temperature of the laser spark plug is greater than the coefficient of thermal expansion of the casing part at the operating temperature of the laser spark plug, is provided between the casing part and the combustion chamber window.Type: ApplicationFiled: September 24, 2012Publication date: January 29, 2015Inventors: Joerg Engelhardt, Dieter Wolz, Juergen Raimann, Pascal Woerner, Martin Weinrotter
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Patent number: 8919313Abstract: An ignition laser includes a laser-active solid body, a housing, and a combustion chamber window. The heat value of the ignition laser is settable in accordance with the requirements of the internal combustion engine.Type: GrantFiled: May 26, 2010Date of Patent: December 30, 2014Assignee: Robert Bosch GmbHInventors: Martin Weinrotter, Werner Herden, Pascal Woerner, Juergen Raimann, Heiko Ridderbusch
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Publication number: 20140305394Abstract: A laser spark plug, in particular for an internal combustion engine, having a combustion chamber window through which laser radiation may be emitted from an interior of the laser spark plug toward an exterior, the laser spark plug having a component which surrounds at least part of the beam path of the laser radiation in the area of the exterior. In particular, the laser spark plug, in the area of the component, has at least one channel which has at least two orifice sections and which allows fluid communication between the orifice sections, a first orifice section being situated in the area of an outer surface of the combustion chamber window, and a second orifice section being situated in a radially outer area of the laser spark plug, in particular of the component.Type: ApplicationFiled: May 29, 2012Publication date: October 16, 2014Inventors: Pascal Woerner, Joerg Engelhardt, Martin Weinrotter
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Patent number: 8858094Abstract: A fiber optic connector system is described which includes a plug and a socket. The optically active surfaces of the plug and socket are automatically protected from soiling as soon as the connection is opened.Type: GrantFiled: October 10, 2008Date of Patent: October 14, 2014Assignee: Robert Bosch GmbHInventors: Martin Weinrotter, Pascal Woerner, Juergen Raimann
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Patent number: 8844491Abstract: A laser spark plug, e.g., for an internal combustion engine of a motor vehicle or a heavy-duty gas engine, has an antechamber for receiving an ignitable medium and a combustion chamber window which separates the antechamber from a part of the laser spark plug facing away from the combustion chamber. At least one flow-guiding element is provided in the antechamber and is situated in such a way that it deflects a fluid flow, which occurs in the antechamber and moves toward the combustion chamber window, into a radially inner direction.Type: GrantFiled: September 27, 2010Date of Patent: September 30, 2014Assignee: Robert Bosch GmbHInventors: Martin Weinrotter, Igor Orlandini, Werner Herden, Pascal Woerner, Juergen Raimann
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Patent number: 8833323Abstract: An ignition laser, includes a laser-active solid-state body, a housing and a combustion chamber window, the housing having an inner sleeve and an outer sleeve. An insert is provided between the inner sleeve and the outer sleeve, the insert and the combustion chamber window being joined sealingly and integrally.Type: GrantFiled: January 25, 2010Date of Patent: September 16, 2014Assignee: Robert Bosch GmbHInventors: Helmut Weyl, Marco Gueth, Werner Herden, Karl-Heinz Nuebel, Franz Wetzl, Martin Weinrotter, Pascal Woerner, Stefan Henneck, Juergen Raimann, Joerg Engelhardt
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Publication number: 20140238329Abstract: In a method for operating a laser spark plug, the laser spark plug is actuated using an actuating device, in order to generate at least one laser ignition pulse, at least one variable characterizing the laser ignition pulse is ascertained using measuring techniques, and, from the at least one variable characterizing the laser ignition pulse, an operating condition of the laser spark plug is inferred.Type: ApplicationFiled: May 29, 2012Publication date: August 28, 2014Applicant: ROBERT BOSCH GmbHInventors: Pascal Woerner, Joerg Engelhardt, Martin Weinrotter
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Patent number: 8807107Abstract: A laser device of a so-called laser ignition is provided, in which the heat dissipation is improved between a combustion chamber window and a housing, and the cooling or temperature of the combustion chamber window is able to be adjusted within broad limits by simple modifications.Type: GrantFiled: May 26, 2008Date of Patent: August 19, 2014Assignee: Robert Bosch GmbHInventors: Martin Weinrotter, Pascal Woerner, Juergen Raimann