Patents by Inventor Samuel Leroux

Samuel Leroux 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).

  • Patent number: 9617956
    Abstract: The invention relates to a device for controlling the ingress of intake gases to an engine, notably an internal combustion vehicle engine comprising cylinders, said device taking the form of a compartmentalized guide piece (6), each compartment (9) comprising a main duct (4) and a secondary duct (5) for gas, characterized in that the control device comprises a multitude of modules (8) each one delimiting a main duct (4) and a secondary duct (5), and in that the modules (8) constitute separate components designed to be fitted together.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: April 11, 2017
    Assignee: Valeo Systemes de Controle Moteur
    Inventors: Samuel Leroux, Stéphane Lestienne, Stéphane Sorin
  • Patent number: 9416754
    Abstract: The invention relates to a module (100) for supplying gas to a motor vehicle, comprising a double dispenser (108), a charge air cooler (107), and an intake box (119) connecting said double dispenser (108) to said cooler (107), the double dispenser (108) comprising a first outlet (136) intended to lead into the intake box (119) and a second outlet intended to lead toward the outside of said module (100).
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: August 16, 2016
    Assignee: Valco Systemes de Controle Moteur
    Inventors: Samuel Leroux, Patrick Lebrasseur
  • Patent number: 9394862
    Abstract: The invention relates to an interface part (10) between a motor vehicle engine head and a heat exchanger (12), the interface part (10) comprising a first opening for the flow of a first gas. According to the invention, the first opening has a profile capable of engaging with a valve element comprising a movable portion (52) of the valve (50), with a view to at least partially sealing the first opening by means of said movable portion (52). The invention also relates to an assembly of such an interface part and a valve, and to a gas supply module for an engine comprising such an assembly. The invention is applicable, in particular, to the automotive field.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 19, 2016
    Assignee: Valeo Systemes Thermiques
    Inventor: Samuel Leroux
  • Publication number: 20150244241
    Abstract: The invention relates to a actuator (1) of a flap of a thermal engine air circuit, including: an engine (10) including a rotor (11) provided with a magnetic field source and a stator (12) provided with a magnetic field source, the stator (12) and the rotor (11) being concentric, and one among the magnetic field source of the rotor (11) and the magnetic field source of the stator (12) being formed by a winding of electrical conductors, while the other among the magnetic field source of the rotor (12) and of the stator (11) is formed by at least one permanent magnet, and a body (2) of the actuator, including a housing (3) which holds the electrical engine (10), the electrical engine (10) being such that when it is held in the housing (3) of the body (2), the magnetic field source that is closest to the body (2) is the winding of electrical conductors.
    Type: Application
    Filed: September 20, 2013
    Publication date: August 27, 2015
    Inventor: Samuel Leroux
  • Publication number: 20150152755
    Abstract: The invention relates to an engine control valve, having a body delimiting an internal conduit and comprising a shutter (1) having an axis (2) of rotation separating said shutter (1) into a first portion (3) and a second portion (4), said shutter (1) being pivotably mounted in said conduit between a fully opened position allowing the flow of fluid in the conduit, and a closed position preventing said flow, and for which the first portion (3) comes into abutment against a seal (8) rigidly connected to the inner structure of the valve, said seal (8) being provided with an opening (11) equal to the cross section of the gas passage in the conduit. The seal (8) has an extension (12) which projects into the opening (11) in such a way as to partially cover said opening (11).
    Type: Application
    Filed: April 26, 2013
    Publication date: June 4, 2015
    Applicant: Valeo Systemes de Controle Moteur
    Inventors: Grégory Hodebourg, Samuel Leroux
  • Publication number: 20150135690
    Abstract: The invention relates to a system for recovering energy in an exhaust gas circuit (3) of a heat engine (1) of a vehicle, said system comprising an exhaust gas bypass duct (15) comprising a heat exchanger (18). An energy recovery system according to the invention is mainly characterised by the fact that the part of the exhaust circuit arranged downstream of the connection point (17) of the bypass duct (15) for connecting to said circuit (3) is provided with a valve (16) that can at least partially close the exhaust circuit (3), and the by-pass duct (15) comprises, at the outlet of the exchanger (18), a first pipeline (20) running into the admission circuit (2, 6) and a second pipeline (21) running into the exhaust circuit (3) downstream of the valve (16).
    Type: Application
    Filed: April 26, 2013
    Publication date: May 21, 2015
    Inventors: Grégory Hodebourg, Samuel Leroux
  • Publication number: 20150121846
    Abstract: The invention relates to a system for recovering energy from an exhaust gas circuit (3) of a heat engine (1), including an exhaust gas by-pass pipe (12) that includes a heat exchanger with two compartments, and has a first manifold (14) leading into one compartment (16) and a second manifold (15) leading into the other compartment (17), said system comprising a first valve (18) installed in the exhaust circuit (3) and capable of controlling the flow of gases into each of said manifolds (14, 15), and a second valve (20) intended to control the flow of gases at the outlet of the heat exchanger (13). The main technical feature of a system for recovering energy according to the invention is that the first valve (18) can only be used in two positions, a first position wherein same seals the first manifold (14), and a second position wherein same seals the exhaust circuit (3) and only allows the exhaunt gases to flow into the first manifold (14).
    Type: Application
    Filed: April 26, 2013
    Publication date: May 7, 2015
    Inventors: Grégory Hodebourg, Samuel Leroux
  • Publication number: 20150013789
    Abstract: The invention relates to a valve (1) for regulating the flow of EGR gases in a loop allowing a proportion of the exhaust gases leaving a vehicle combustion engine to be bled off, having a body delimiting an internal duct (2) and comprising a shutter (3) pivot-mounted on an axle (4) dividing said flap (3) into a first part (5) and a second part (6), said flap (3) being able to pivot between an open position that allows gases to pass into the duct (2) and a closed position that prevents said passage, and for which out of the first (5) and second (6) parts, at least one comes into abutment against a support element (7). The first part (5) of the flap has a thickening (9) so as to reduce the passage section for gases between said first part (5) and the support element (7), for angles of opening of said flap (3) that are below a threshold value.
    Type: Application
    Filed: February 19, 2013
    Publication date: January 15, 2015
    Inventors: Grégory Hodebourg, Samuel Leroux
  • Patent number: 8905008
    Abstract: The invention relates to a gas supply module (20) for an engine, comprising a heat exchanger (22) capable of cooling gases for the intake thereof in an intake space of a cylinder head of the engine, and a gas supply valve (24) capable of directing said gases toward the intake space of said cylinder head and/or through said heat exchanger (22), said module (20) further comprising an interface element (26) closing said intake space of said cylinder head. According to the invention, said interface element (26) and said valve (24) are shaped such that said valve (24) can be attached to said cylinder head via at least a first attachment means extending through at least the interface element (26). The invention also relates to an assembly of an engine cylinder head and such a module, and to a motor vehicle engine comprising such an assembly. The invention can particularly be used in the field of motor vehicles.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: December 9, 2014
    Assignee: Valeo Systems Thermiques
    Inventor: Samuel Leroux
  • Publication number: 20140338873
    Abstract: The invention relates to a heat exchanger (10) including a bundle (12), for enabling the exchange of heat between a first and second fluid, and a housing (11) in which said bundle is arranged, said housing (11) including a first and second opening (14, 15) through which the first fluid is to pass and which are in communication with said bundle. According to the invention, said exchanger (10) includes a collector (30) located on said housing (11), said collector (30) defining a first fluidic connection (31) with the first opening (14) and a second fluidic connection (32) with the second opening (15). The invention also relates to an air intake module (1) for the heat engine of a vehicle, in particular a motor vehicle, including the above-described exchanger (10).
    Type: Application
    Filed: December 18, 2012
    Publication date: November 20, 2014
    Inventors: Samuel Leroux, Mathieu Lallemant, Stephane Sorin
  • Publication number: 20140331956
    Abstract: The invention relates to a device for controlling the ingress of intake gases to an engine, notably an internal combustion vehicle engine comprising cylinders, said device taking the form of a compartmentalized guide piece (6), each compartment (9) comprising a main duct (4) and a secondary duct (5) for gas, characterized in that the control device comprises a multitude of modules (8) each one delimiting a main duct (4) and a secondary duct (5), and in that the modules (8) constitute separate components designed to be fitted together.
    Type: Application
    Filed: November 12, 2012
    Publication date: November 13, 2014
    Inventors: Samuel Leroux, Stéphane Lestienne, Stéphane Sorin
  • Publication number: 20140251288
    Abstract: The invention relates to a module (100) for supplying gas to a motor vehicle, comprising a double dispenser (108), a charge air cooler (107), and an intake box (119) connecting said double dispenser (108) to said cooler (107), the double dispenser (108) comprising a first outlet (136) intended to lead into the intake box (119) and a second outlet intended to lead toward the outside of said module (100).
    Type: Application
    Filed: October 10, 2012
    Publication date: September 11, 2014
    Applicant: VALEO SYSTEMES DE CONTROLE MOTEUR
    Inventors: Samuel Leroux, Patrick Lebrasseur
  • Publication number: 20140245998
    Abstract: The invention relates to a module (100) for supplying gas to an engine (6) of a motor vehicle, comprising a single dispenser (108), a gas cooler (107) provided with means (120, 146) for fixing to the cylinder head of said engine (6), and an intake box (109) connecting said single dispenser (108) to said cooler (107).
    Type: Application
    Filed: October 10, 2012
    Publication date: September 4, 2014
    Inventor: Samuel Leroux
  • Patent number: 8656894
    Abstract: A gas intake device for letting gases into an inlet volume of a cylinder head of a motor vehicle combustion engine includes a valve (10) for supplying the cylinder head with gas, this valve communicating with the inlet volume of the cylinder head directly and indirectly via a heat exchanger (14). The valve (10) and the heat exchanger (14) are mounted on a plate (21) intended to be mounted directly on the cylinder head. The device is compact and relatively insensitive to vibration.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: February 25, 2014
    Assignees: Valeo Systemes de Controle Moteur, Volkswagen AG
    Inventors: Samuel Leroux, Mathieu Lallemant, Arnold Rimpau, Christian Westphal
  • Patent number: 8561645
    Abstract: A three-way valve (1) with two flaps (5, 6) respectively positioned in two of the three paths (2, 3) of the valve and comprising means (7-12) for controlling and actuating the flaps (5, 6) to make them pivot from one to the other of two positions in which the paths (2, 3) are either open or closed. Single control means (7) are provided for both flaps (5, 6), and there are actuating means (9-12) designed to be controlled by the single control means (7) and to actuate the two flaps (5, 6) with a temporal phase shift.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: October 22, 2013
    Assignee: Valeo Systemes de Controle Moteur
    Inventors: Samuel Leroux, Laurent Albert, Mathieu Lallemant
  • Patent number: 8381520
    Abstract: A motor vehicle internal combustion engine EGR loop, in which: with the fresh air flow rate in the air inlet path (2) of the EGR valve (1) set at a maximum, the path (3) for the EGR gases in the valve is progressively opened, and before the EGR gas flow rate in the valve increases any further, the fresh air inlet path (2) is progressively closed in order to continue to cause the EGR gas flow rate to increase on an increasing monotonous curve.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: February 26, 2013
    Assignee: Valeo Systemes de Controle Moteur
    Inventors: Samuel Leroux, Laurent Albert, Sebastien Adenot
  • Publication number: 20120298066
    Abstract: The invention relates to an interface part (10) between a motor vehicle engine head and a heat exchanger (12), the interface part (10) comprising a first opening for the flow of a first gas. According to the invention, the first opening has a profile capable of engaging with a valve element comprising a movable portion (52) of the valve (50), with a view to at least partially sealing the first opening by means of said movable portion (52). The invention also relates to an assembly of such an interface part and a valve, and to a gas supply module for an engine comprising such an assembly. The invention is applicable, in particular, to the automotive field.
    Type: Application
    Filed: December 2, 2010
    Publication date: November 29, 2012
    Applicant: VALEO SYSTEMES THERMIQUES
    Inventor: Samuel Leroux
  • Publication number: 20120247437
    Abstract: The invention relates to a gas supply module (20) for an engine, comprising a heat exchanger (22) capable of cooling gases for the intake thereof in an intake space of a cylinder head of the engine, and a gas supply valve (24) capable of directing said gases toward the intake space of said cylinder head and/or through said heat exchanger (22), said module (20) further comprising an interface element (26) closing said intake space of said cylinder head. According to the invention, said interface element (26) and said valve (24) are shaped such that said valve (24) can be attached to said cylinder head via at least a first attachment means extending through at least the interface element (26). The invention also relates to an assembly of an engine cylinder head and such a module, and to a motor vehicle engine comprising such an assembly. The invention can particularly be used in the field of motor vehicles.
    Type: Application
    Filed: November 8, 2010
    Publication date: October 4, 2012
    Applicant: VALEO SYSTEMES THERMIQUES
    Inventor: Samuel Leroux
  • Patent number: 8074628
    Abstract: Device for air intake of a heat engine including: a main circulation system (105) which connects a supercharging apparatus (106) or an air intake manifold (107) which incorporates a heat exchanger (108), a bypass system (109) linked to the main circulation system along the exchanger, the bypass system incorporating a heating apparatus (29), a circuit selection device mounted between the main circulation system and the bypass system to channel at least some of the air into one or the other system.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: December 13, 2011
    Assignee: Valeo Systemes de Controle Moteur
    Inventors: Laurent Albert, Michael Maitre, Samuel Leroux
  • Patent number: 7992589
    Abstract: A valve including a body delimiting an inlet duct opening into a first and second outlet duct. The body includes a first butterfly valve element and a second butterfly valve element. The first butterfly valve element is mounted on a first transmission gearwheel connected to a drive motor and is movable into two closed positions on either side of an open position of the first duct. The first transmission gearwheel is connected to a second transmission gearwheel, on which the second butterfly valve element is connected by a one-way positive drive element. When the first butterfly valve element is moved from an open position to one of the two closed positions in the first duct, the second butterfly valve element is driven from a closed position to an open position of the second duct. The valve includes a member for returning the second butterfly valve element to the closed position.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: August 9, 2011
    Assignee: Valeo Systemes de Controle Moteur
    Inventors: Laurent Albert, Samuel Leroux, Guillaume Davoult