Patents by Inventor Christian Pottiez
Christian Pottiez 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: 11493235Abstract: Described is a liquid heater having a housing, in which a flow channel runs from an inlet to an outlet, a heating resistor arranged within the housing for heating liquid flowing through the flow channel, control electronics which are arranged in an interior space of the housing, the interior space being sealed off from the flow channel, and a plug connector attached to the housing. Provided according to this disclosure, the plug connector has a vent duct which is closed by a membrane and which leads to the interior space sealed against the ingress of liquid, in which interior space the control electronics are arranged.Type: GrantFiled: September 16, 2020Date of Patent: November 8, 2022Assignee: BorgWarner Ludwigsburg GmbHInventors: Nicolaus Wulff, Sven Schumm, Christian Pottiez, Timo Stifel
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Publication number: 20210148606Abstract: Described is a liquid heater having a housing, in which a flow channel runs from an inlet to an outlet, a heating resistor arranged within the housing for heating liquid flowing through the flow channel, control electronics which are arranged in an interior space of the housing, the interior space being sealed off from the flow channel, and a plug connector attached to the housing. Provided according to this disclosure, the plug connector has a vent duct which is closed by a membrane and which leads to the interior space sealed against the ingress of liquid, in which interior space the control electronics are arranged.Type: ApplicationFiled: September 16, 2020Publication date: May 20, 2021Inventors: Nicolaus Wulff, Sven Schumm, Christian Pottiez, Timo Stifel
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Patent number: 10340664Abstract: A corona ignition device is described, with a central electrode, an insulator, in which the central electrode sits, a coil, which is connected to the central electrode, a metal housing, which holds the insulator and surrounds the coil, and a cover, which closes the metal housing at its end facing away from the insulator. According to this disclosure, provision is made for a spring arranged between the cover and the coil. In another aspect, a shield is provided that surrounds the housing and comprises several shell elements which each surround a section of the circumference of the coil.Type: GrantFiled: January 28, 2016Date of Patent: July 2, 2019Assignee: BorgWarner Ludwigsburg GmbHInventors: Christian Pottiez, Simon Frank, Markus Müller
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Patent number: 10218155Abstract: This disclosure relates to a corona ignition device having a coil, which has an elongate coil body and a coil winding wound onto the coil body, an ignition electrode connected to the coil, and an insulator, inside which the ignition electrode is situated. According to the present disclosure, the coil body has a hollow section.Type: GrantFiled: August 4, 2016Date of Patent: February 26, 2019Assignee: BORGWARNER LUDWIGSBURG GMBHInventors: Christian Pottiez, Johannes Hasenkamp
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Publication number: 20170237237Abstract: A corona ignition device is described comprising a central electrode, to which at least one ignition tip leads, and an insulator, which surrounds the central electrode. According to this disclosure, provision is made for the at least one ignition tip to comprise a plurality of wires touching each other.Type: ApplicationFiled: February 14, 2017Publication date: August 17, 2017Inventors: Simon Frank, Johannes Hasenkamp, Alexander Schenk, Christian Pottiez
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Patent number: 9625150Abstract: Described is a glow plug with a glow pencil that comprises a forward end with a glow tip and a rearward end, a housing in which the rearward end of the glow pencil is arranged and in relation to which the glow pencil is movable in its longitudinal direction, and a bellows that is connected to the housing and the glow pencil. According to this disclosure, it is provided that a forward end of the bellows is attached to the housing and a rearward end of the bellows is attached to the glow pencil.Type: GrantFiled: October 21, 2014Date of Patent: April 18, 2017Assignee: BorgWarner Ludwigsburg GmbHInventors: Christian Pottiez, Michael Hauβner, Bernd Stoller
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Publication number: 20170040776Abstract: This disclosure relates to a corona ignition device having a coil, which has an elongate coil body and a coil winding wound onto the coil body, an ignition electrode connected to the coil, and an insulator, inside which the ignition electrode is situated. According to the present disclosure, the coil body has a hollow section.Type: ApplicationFiled: August 4, 2016Publication date: February 9, 2017Inventors: Christian Pottiez, Johannes Hasenkamp
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Publication number: 20160226226Abstract: A corona ignition device is described, with a central electrode, an insulator, in which the central electrode sits, a coil, which is connected to the central electrode, a metal housing, which holds the insulator and surrounds the coil, and a cover, which closes the metal housing at its end facing away from the insulator. According to this disclosure, provision is made for a spring arranged between the cover and the coil. In another aspect, a shield is provided that surrounds the housing and comprises several shell elements which each surround a section of the circumference of the coil.Type: ApplicationFiled: January 28, 2016Publication date: August 4, 2016Inventors: Christian Pottiez, Simon Frank, Markus Müller
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Patent number: 9093805Abstract: This disclosure relates to a glow plug connector for a sensor glow plug, comprising a housing made of plastic, a plurality of contact elements made of metal, which form contact surfaces bearing against a circumferential wall of the housing, wherein the contact elements protrude on the glow-plug side from a base of the housing. The contact surfaces are embodied as segments of a circle that protrude from a strip-shaped section of the contact elements. This disclosure also relates to a connector for a cylinder pressure sensor for measuring the pressure in a combustion chamber of an internal combustion engine.Type: GrantFiled: February 12, 2013Date of Patent: July 28, 2015Assignee: BorgWarner Ludwigsburg GmbHInventors: Christian Pottiez, Joern Bohnenkamp, Georg Rixecker
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Publication number: 20150114333Abstract: Described is a glow plug with a glow pencil that comprises a forward end with a glow tip and a rearward end, a housing in which the rearward end of the glow pencil is arranged and in relation to which the glow pencil is movable in its longitudinal direction, and a bellows that is connected to the housing and the glow pencil. According to this disclosure, it is provided that a forward end of the bellows is attached to the housing and a rearward end of the bellows is attached to the glow pencil.Type: ApplicationFiled: October 21, 2014Publication date: April 30, 2015Inventors: Christian Pottiez, Michael Haußner, Bernd Stoller
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Patent number: 8978454Abstract: The invention relates to a pressure gauge for measuring the pressure in a combustion chamber of an engine, comprising a housing, a tappet, which is movable in the housing in an axial direction under the action of combustion chamber pressure, a sensor for detecting an axial displacement of the tappet, and a force transmitter, in order to transmit a force loading the tappet to the sensor. In accordance with the invention, the force transmitter has at least one damping section for damping flexural vibrations, at which its flexural rigidity is reduced.Type: GrantFiled: October 11, 2013Date of Patent: March 17, 2015Assignee: BorgWarner Ludwigsburg GmbHInventors: Christian Pottiez, Bernd Last, Georg Rixecker
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Patent number: 8943877Abstract: A combustion chamber pressure gauge for an internal combustion engine, comprising a housing tube, a plunger, which is movable in an axial direction in the housing tube under the effect of combustion chamber pressure against a restoring force, and comprising a seal, which is disposed between the plunger and the housing tube, and comprising a sensor for detecting an axial displacement of the plunger. The sensor is decoupled from thermally induced expansions or contractions of the housing tube, in that the sensor is attached to a carrier, which is suspended in the housing tube, and the plunger is movable relative to the carrier under the effect of combustion chamber pressure.Type: GrantFiled: February 4, 2014Date of Patent: February 3, 2015Assignee: BorgWarner BERU Systems GmbHInventors: Michael Hauβner, Christian Pottiez
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Publication number: 20140338421Abstract: The invention relates to a device for testing pressure sensors for internal combustion engines, comprising a pressure chamber, which has an inlet opening, an outlet opening, and a test opening for receiving a pressure sensor to be tested, a valve for opening and closing the inlet opening, and a valve for opening and closing the outlet opening. The valve for opening and closing the inlet opening comprises a rotatably mounted roll as a closing element. The roll has a radially continuous bore hole, wherein the bore hole is in line with the inlet opening in a first rotational angle position of the roll and the roll closes the inlet opening in a second rotational angle position.Type: ApplicationFiled: May 14, 2014Publication date: November 20, 2014Inventors: Jens Müller, Christian Pottiez, Thomas Alban, Xaver Bösl, Fabian Kunick, Dirk Wüstenhagen
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Patent number: 8857249Abstract: A pressure measuring device includes a housing and a rod which is movable in the axial direction in the housing under the effect of combustion chamber pressure where the rod protrudes from the housing. A sensor measure combustion chamber pressure acting on the rod, and a first diaphragm is attached to the housing through which the rod extends. A second diaphragm is attached to the housing through with the rod extends between the sensor and the first diaphragm. The second diaphragm generates a return force when the rod undergoes axial displacement caused by pressure on the rod.Type: GrantFiled: August 22, 2011Date of Patent: October 14, 2014Assignee: BorgWarner BERU Systems, GmbHInventors: Christian Pottiez, Bernd Last, Georg Rixecker, Martin Sackmann
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Publication number: 20140216145Abstract: A combustion chamber pressure gauge for an internal combustion engine, comprising a housing tube, a plunger, which is movable in an axial direction in the housing tube under the effect of combustion chamber pressure against a restoring force, and comprising a seal, which is disposed between the plunger and the housing tube, and comprising a sensor for detecting an axial displacement of the plunger. The sensor is decoupled from thermally induced expansions or contractions of the housing tube, in that the sensor is attached to a carrier, which is suspended in the housing tube, and the plunger is movable relative to the carrier under the effect of combustion chamber pressure.Type: ApplicationFiled: February 4, 2014Publication date: August 7, 2014Inventors: Michael Haußner, Christian Pottiez
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Publication number: 20140109661Abstract: The invention relates to a pressure gauge for measuring the pressure in a combustion chamber of an engine, comprising a housing, a tappet, which is movable in the housing in an axial direction under the action of combustion chamber pressure, a sensor for detecting an axial displacement of the tappet, and a force transmitter, in order to transmit a force loading the tappet to the sensor. In accordance with the invention, the force transmitter has at least one damping section for damping flexural vibrations, at which its flexural rigidity is reduced.Type: ApplicationFiled: October 11, 2013Publication date: April 24, 2014Inventors: Christian Pottiez, Bernd Last, Georg Rixecker
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Patent number: 8479697Abstract: Glow plug, particularly for operation in a combustion engine, comprising at least one heating rod (1) and at least one body (2) and at least one annular gap (3) between the heating rod (1) and the body (2) and at least one chamber (4) primarily arranged between the heating rod (1) and the body (2).Type: GrantFiled: August 21, 2008Date of Patent: July 9, 2013Assignee: BorgWarner BERU Systems GmbHInventors: Karsten Volland, Bernd Last, Hans Houben, Dirk Von Hacht, Frank Pechhold, Christian Pottiez, Michael Haussner, Ralf Ehlert
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Patent number: 8397556Abstract: The invention relates to a device and a method for determining combustion chamber pressure, having at least one glow filament, at least one measuring element, at least two spring membranes, and at least one tubular base.Type: GrantFiled: April 22, 2009Date of Patent: March 19, 2013Assignee: BorgWarner BERU Systems GmbHInventors: Bernd Last, Hans Houben, Yue Cheng, Christian Pottiez, Frank Pechhold, Arno Marto
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Patent number: 8389904Abstract: The invention relates to a glow plug for Diesel engines, comprising a housing, a heater rod, which is movable in the housing in axial direction and projects from the housing at a forward end, and a pressure measuring device for measuring a combustion chamber pressure exerted on the heater rod. It is provided according to the invention that a housing chamber is filled with a substance having or achieving liquid to paste-like consistency at temperatures occurring during operation and conducting heat generated by the heater rod to the housing.Type: GrantFiled: August 10, 2010Date of Patent: March 5, 2013Assignee: BorgWarner BERU Systems GmbHInventors: Christian Pottiez, Jochen Hammer, Yue Cheng
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Publication number: 20130047716Abstract: The invention relates to a pressure measuring device comprising a housing, a rod which is movable in the axial direction in the housing under the effect of combustion chamber pressure and protrudes from the housing, a sensor for measuring combustion chamber pressure acting on the rod, and a diaphragm attached to the housing and through which the rod extends. According to the invention, a second diaphragm said second diaphragm generating a return force when the rod undergoes axial displacement caused by pressure on the rod is disposed between the sensor and the diaphragm.Type: ApplicationFiled: August 22, 2011Publication date: February 28, 2013Inventors: Christian POTTIEZ, Bernd Last, Georg Rixecker, Martin Sackmann