Patents by Inventor Nicolas Gelez
Nicolas Gelez 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: 10502635Abstract: The invention relates to a method for manufacturing a temperature sensor with a thermocouple, which includes the following consecutive steps: a) manufacturing a cable with mineral insulator (14) including two thermocouple wires (10, 12) extending along the entire length of the cable with mineral insulator and embedded in a mineral insulator (8); b) stripping one of the ends of the cable with mineral insulator over a length of 2 to 20 mm, preferably less than 15 mm, preferably less than 10 mm, such as to expose the ends of the thermocouple wires; c) connecting the ends (40, 42) of the thermocouple wires thus exposed, such as to constitute a thermocouple hot spot (13); and d) attaching a cap (20) to said cable with mineral insulator so as to protect said hot spot.Type: GrantFiled: November 18, 2015Date of Patent: December 10, 2019Assignee: Valeo Systemes de Controle MoteurInventors: Olivier Dixneuf, Piotr Zakrzewski, Denis Gravat, Nicolas Gelez
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Publication number: 20180202866Abstract: The invention relates to a method for manufacturing a temperature sensor with a thermocouple, which includes the following consecutive steps: a) manufacturing a cable with mineral insulator (14) including two thermocouple wires (10, 12) extending along the entire length of the cable with mineral insulator and embedded in a mineral insulator (8); b) stripping one of the ends of the cable with mineral insulator over a length of 2 to 20 mm, preferably less than 15 mm, preferably less than 10 mm, such as to expose the ends of the thermocouple wires; c) connecting the ends (40, 42) of the thermocouple wires thus exposed, such as to constitute a thermocouple hot spot (13); and d) attaching a cap (20) to said cable with mineral insulator so as to protect said hot spot.Type: ApplicationFiled: November 18, 2015Publication date: July 19, 2018Applicant: Valeo Systemes de Controle MoteurInventors: Olivier Dixneuf, Piotr Zakrzewski, Denis Gravat, Nicolas Gelez
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Publication number: 20170356809Abstract: The invention relates to a temperature sensor comprising a thermocouple (7) defining a hot point (13), said temperature sensor comprising a mineral insulated cable (14) with an outer diameter greater than 2 mm and less than 5 mm and a reinforcement tube (60) from which projects the mineral insulated cable at the hot point end, so as to form a swaging.Type: ApplicationFiled: November 20, 2015Publication date: December 14, 2017Applicant: Valeo Systemes de Controle MoteurInventors: Piotr Zakrzewski, Mahmoud Sfaxi, Nicolas Gelez, Olivier Dixneuf
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Publication number: 20170350765Abstract: Method for the manufacture of a temperature sensor with a thermocouple comprising the following successive steps: a) introduction, in a support tube made of a ceramic material, of two thermocouple wires until they extend beyond said support tube; b) welding the ends of said thermocouple wires extending beyond said support tube so as to form a thermocouple hot point; c) introduction, at least partially, of the support tube into a reinforcement tube made of a stainless steel; d) fixing a cap onto said reinforcement tube so as to protect said hot point.Type: ApplicationFiled: November 24, 2015Publication date: December 7, 2017Applicant: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Piotr Zakrzewski, Pascal Castro
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Publication number: 20170261393Abstract: This invention relates to a device for measuring differential pressure comprising a first pressure measurement means (11) measuring a first pressure value (P1) and a second pressure measurement means (12) measuring a second pressure value (P2), the second pressure measurement means (12) being configured to read the pressure (P1) measured by the first pressure measurement means (11), calculate the pressure difference between the pressure (P1) measured by the first pressure measurement means (11) and the pressure (P2) measured by the second pressure measurement means (12), and transmit the differential pressure value in the form of a single signal. The first pressure measurement means (11) is of the analogue or digital type and the second pressure measurement means (12) is of the digital type and the value of the differential pressure transmitted is in the form of a single digital signal.Type: ApplicationFiled: September 15, 2015Publication date: September 14, 2017Applicant: Valeo Systemes de Controle MoteurInventors: Olivier GUEGUEN, Piotr ZAKRZEWSKI, Nicolas GELEZ
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Publication number: 20160356664Abstract: The present invention relates to a device for measuring an outside pressure, comprising: a pressure sensor comprising a support (14) and a ceramic membrane (16) mounted on the support so as to undergo deformation under the effect of a change in the outside pressure, and a measurement circuit comprising a strain gauge fastened to the ceramic membrane so as to have an electrical property that is variable depending on the position of said membrane, and an electronic component electrically connected to said strain gauge and configured for processing a signal received from said strain gauge, the device being characterized in that the electronic component is fastened to the support.Type: ApplicationFiled: December 19, 2014Publication date: December 8, 2016Applicant: Valeo Systemes de Controle MoteurInventors: Piotr Zakrzewski, Nicolas Gelez
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Publication number: 20140165936Abstract: The invention relates to a cam actuator (2) for actuating at least one valve (3) slidably mounted in a mounting (1), the device comprising a tappet (8) which is to be mounted on a free end of a stem (3a) of the valve and which is mobile relative to the mounting (1); and a resilient return means (9) for the tappet, which to urge the tappet (8) against the cam (2), characterised in that the device comprises an electromagnetic locking means including an electromagnetic actuator (22) having a coil (24), preferably outside the tappet (8), and at least one pin (12) subjected to the magnetic field of the actuator (22), such that supplying power to the coil (24) causes the selective movement of the pin (12) between a locked position, in which the tappet (8) is translatably linked to the valve (3), and an unlocked position, in which the tappet (8) freely slides on the stem (3a) of the valve.Type: ApplicationFiled: June 27, 2012Publication date: June 19, 2014Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Julien Hobraiche, Gabriel Kopp
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Publication number: 20130306037Abstract: The invention relates to a device for controlling a heat engine, comprising a plurality of cylinders (1, 2, 3, 4), at least one of which (2, 3) is provided with at least two inlet valves (2a, 2b, 3a, 3b). According to the invention, the device comprises a control unit (5) arranged to deactivate said inlet valves in series.Type: ApplicationFiled: December 20, 2011Publication date: November 21, 2013Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Julien Hobraiche
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Patent number: 8443771Abstract: A valve actuator for a combustion engine has a movable member for collaborating with a stem of a valve, and an electromagnetic device with a permanent magnet associated with a resilient device for moving the movable member between an extreme valve-closed position and an extreme valve-open position. A method of controlling the valve actuator has the steps of determining a clearance range between the movable member and the valve stem during the movement of the movable member between the extreme closed and open positions, determining, in the clearance range, intermediate positions reached by the movable member as a function of different values of an electrical control parameter of the electromagnetic device, and using positional feedback control to control the electromagnetic device, using one of the intermediate positions as a setpoint value, according to the desired performance of the actuator.Type: GrantFiled: November 18, 2011Date of Patent: May 21, 2013Assignee: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Emmanuel Talon, Boris Bouchez
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Patent number: 8275537Abstract: The invention relates to a method for controlling a valve (13) in a thermal engine (10), the valve having a closed position and an opened position, the method comprising at least one step of opening the valve, said step including at least one phase (I) for bringing the valve into an open position and a phase (II) for maintaining the valve in an intermediate position between the closed position and the opened position. The invention also relates to a device for implementing this method and to a method for supplying an engine with an oxidant.Type: GrantFiled: May 28, 2008Date of Patent: September 25, 2012Assignee: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Damien Fournigault, Jean-Guilhem Dalissier, Julien Hobraiche
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Patent number: 8256391Abstract: The invention relates to a valve control system for an engine including at least one cylinder (1, 2, 3, 4) with valves (5, 6), wherein said system comprises valve electromagnetic actuation members (7, 9, 10) associated with a management unit (11, 15) that controls the actuation members, said system comprising a member (11, 12, 13) for detecting a malfunction of the actuation members and a member (11, 12, 13) for electrically insulating the faulty actuation member.Type: GrantFiled: September 19, 2007Date of Patent: September 4, 2012Assignee: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Boris Bouchez
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Publication number: 20120061598Abstract: A valve actuator for a combustion engine has a movable member for collaborating with a stem of a valve, and an electromagnetic device with a permanent magnet associated with a resilient device for moving the movable member between an extreme valve-closed position and an extreme valve-open position. A method of controlling the valve actuator has the steps of determining a clearance range between the movable member and the valve stem during the movement of the movable member between the extreme closed and open positions, determining, in the clearance range, intermediate positions reached by the movable member as a function of different values of an electrical control parameter of the electromagnetic device, and using positional feedback control to control the electromagnetic device, using one of the intermediate positions as a setpoint value, according to the desired performance of the actuator.Type: ApplicationFiled: November 18, 2011Publication date: March 15, 2012Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Emmanuel Talon, Boris Bouchez
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Patent number: 8116964Abstract: The invention relates to a system for controlling a thermal engine with valves, that comprises an engine control unit (1) and a plurality of valve actuators (3), wherein the engine control unit is connected to a communication bus (2) and the actuators are distributed into at least two sets each comprising a connection interface (4) to the communication bus, the engine control unit being designed so as to define actuator driving instructions and to transmit into the bus and for each set an individualised frame including the driving instructions for the related set.Type: GrantFiled: September 25, 2007Date of Patent: February 14, 2012Assignee: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Boris Bouchez, Ronan Danioux
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Patent number: 8038122Abstract: The invention relates to a device for controlling a valve (1) between an opened position and a closed position, that includes a valve actuation organ (8), an elastic system (17, 20) for oscillating the actuation organ between two end positions, at least one electromagnet (14, 15) associated with a control unit (23) for attracting the actuation organ towards its end positions, wherein the control unit supplies power to the electromagnet for attracting the actuation organ into a first end position when the required energy amount is at most equal to a threshold and for allowing the actuation organ to move back to the other end position when this amount is higher than the threshold. The invention also relates to a control method.Type: GrantFiled: September 28, 2007Date of Patent: October 18, 2011Assignee: Valeo Systemes de Controle MoteurInventors: Nicolas Gelez, Boris Bouchez, Jean-Guiherm Dalissier
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Publication number: 20110178696Abstract: The invention relates to a control unit (19, 20) for one or more electromagnetic actuators (15, 16) of the valve (13, 14) of a heat engine, wherein said control unit can be connected by linking means (24, 25) to a main management unit (21) of the heat engine, the control unit (19, 20) acting under the action of at least a first driving program for driving the actuator based on a signal transmitted to the control unit by the main management unit via the linking means. According to the invention, the control unit includes a memory (26, 27) containing backup information and, in the case of a signal interruption, the control unit runs a second driving program for driving the actuator based on workaround information. The invention also relates to different assemblies of such control units and such electromagnetic actuators.Type: ApplicationFiled: July 30, 2008Publication date: July 21, 2011Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Ronan Danioux, Boris Bouchez
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Publication number: 20100204900Abstract: The invention relates to a method for controlling a valve (13) in a thermal engine (10), the valve having a closed position and an opened position, the method comprising at least one step of opening the valve, said step including at least one phase (I) for bringing the valve into an open position and a phase (II) for maintaining the valve in an intermediate position between the closed position and the opened position. The invention also relates to a device for implementing this method and to a method for supplying an engine with an oxidant.Type: ApplicationFiled: May 28, 2008Publication date: August 12, 2010Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Jean-Guilhem Dalissier, Damien Fournigault, Julien Hobraiche
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Publication number: 20100018481Abstract: The invention relates to a valve control system for an engine including at least one cylinder (1, 2, 3, 4) with valves (5, 6), wherein said system comprises valve electromagnetic actuation members (7, 9, 10) associated with a management unit (11, 15) that controls the actuation members, said system comprising a member (11, 12, 13) for detecting a malfunction of the actuation members and a member (11, 12, 13) for electrically insulating the faulty actuation member.Type: ApplicationFiled: September 19, 2007Publication date: January 28, 2010Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Boris Bouchez
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Publication number: 20090276146Abstract: The invention relates to a system for controlling a thermal engine with valves, that comprises an engine control unit (1) and a plurality of valve actuators (3), wherein the engine control unit is connected to a communication bus (2) and the actuators are distributed into at least two sets each comprising a connection interface (4) to the communication bus, the engine control unit being designed so as to define actuator driving instructions and to transmit into the bus and for each set an individualised frame including the driving instructions for the related set.Type: ApplicationFiled: September 25, 2007Publication date: November 5, 2009Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Boris Bouchez, Ronan Danioux
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Publication number: 20090218531Abstract: The invention relates to a device for controlling a valve (1) between an opened position and a closed position, that includes a valve actuation organ (8), an elastic system (17, 20) for oscillating the actuation organ between two end positions, at least one electromagnet (14, 15) associated with a control unit (23) for attracting the actuation organ towards its end positions, wherein the control unit supplies power to the electromagnet for attracting the actuation organ into a first end position when the required energy amount is at most equal to a threshold and for allowing the actuation organ to move back to the other end position when this amount is higher than the threshold. The invention also relates to a control method.Type: ApplicationFiled: September 28, 2007Publication date: September 3, 2009Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Boris Bouchez, Jean-Guihern Dalissier
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Publication number: 20090178631Abstract: A valve actuator for a combustion engine has a movable member for collaborating with a stem of a valve, and an electromagnetic device with a permanent magnet associated with a resilient device for moving the movable member between an extreme valve-closed position and an extreme valve-open position.Type: ApplicationFiled: November 14, 2006Publication date: July 16, 2009Applicant: VALEO SYSTEMES DE CONTROLE MOTEURInventors: Nicolas Gelez, Emmanuel Talon, Boris Bouchez