Patents by Inventor Frédéric Ladrech

Frédéric Ladrech 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: 10513165
    Abstract: The invention relates to an air-conditioning device (1) for a motor vehicle, comprising an element for circulating air towards an evaporator (4), characterised in that the device (1) also comprises a bypass circuit (9) allowing air circulation between a zone located upstream of the evaporator (4) and a zone located downstream of the evaporator (4), the air bypass circuit (9) being arranged above the evaporator (4).
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: December 24, 2019
    Assignee: Valeo Systemes Thermiques
    Inventors: Bastien Jovet, Fabrice Ailloud, Frédéric Ladrech, Philippe Pierres
  • Patent number: 10266036
    Abstract: A method for operating a device for the thermal conditioning of a motor vehicle interior, including: a refrigerant circuit including a compressor and a heat exchanger able to form an evaporator, the heat exchanger being able to exchange heat with a flow of air intended to be conditioned, a bypass means able to divert from the heat exchanger at least part of said air flow and which can be controlled in terms of position between the closed position in which no flow is diverted from the heat exchanger and a multitude of open positions in which part of the flow is diverted from the heat exchanger according to the position of opening, a mixing zone for mixing the flow that has passed through the evaporator and the flow of air diverted by the bypass means.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 23, 2019
    Assignee: Valeo Systemes Thermiques
    Inventors: Bastien Jovet, Fabrice Ailloud, Frédéric Ladrech, Philippe Pierres
  • Publication number: 20180297007
    Abstract: The invention relates to a composition (1) comprising an activated carbon (4) and a zeolite (2), the zeolite (2) comprising Fe ions. The invention also relates to an air filter (12) for a ventilation, heating, and/or air conditioning system comprising this composition (1).
    Type: Application
    Filed: April 20, 2018
    Publication date: October 18, 2018
    Applicant: Valeo Systemes Thermiques
    Inventors: Frédéric Ladrech, Amanda Martinell, Natacha Caudy, Laetitia Del Fabbro, Michel Ondarts, Cecile Hort
  • Patent number: 9968908
    Abstract: The invention relates to a composition (1) comprising an activated carbon (4) and a zeolite (2), the zeolite (2) comprising Fe ions. The invention also relates to an air filter (12) for a ventilation, heating, and/or air conditioning system comprising this composition (1).
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: May 15, 2018
    Assignee: Valeo Systemes Thermiques
    Inventors: Frederic Ladrech, Amanda Martinell, Natacha Caudy, Laetitia Del Fabbro, Michel Ondarts, Cecile Hort
  • Patent number: 9818994
    Abstract: A housing of a battery pack for a motor vehicle. A module comprising several electric cells is associated with a heat-regulating plate. A wall of the housing comprises an element in relief and exerts a tightening force on the plate. The invention also relates to the battery pack.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: November 14, 2017
    Assignees: Compagnie Plastic Omnium, Valeo Systemes Thermiques
    Inventors: Gerald Andre, Philippe Gilotte, Gilles Elliot, Vincent Feuillard, Frederic Ladrech
  • Publication number: 20170320371
    Abstract: The invention relates to an air-conditioning device (1) for a motor vehicle, comprising an element for circulating air towards an evaporator (4), characterised in that the device (1) also comprises a bypass circuit (9) allowing air circulation between a zone located upstream of the evaporator (4) and a zone located downstream of the evaporator (4), the air bypass circuit (9) being arranged above the evaporator (4).
    Type: Application
    Filed: November 24, 2015
    Publication date: November 9, 2017
    Applicant: Valeo Systemes Thermiques
    Inventors: Bastien Jovet, Fabrice Ailloud, Frédéric Ladrech, Philippe Pierres
  • Publication number: 20170291471
    Abstract: The invention relates to a method for operating a device for the thermal conditioning of a motor vehicle interior, comprising: a refrigerant circuit comprising a compressor (C) and a heat exchanger (2) able to form an evaporator, the heat exchanger (2) being able to exchange heat with a flow of air intended to be conditioned, at least one bypass means (V1) able to divert from the heat exchanger (2) at least part of said air flow and which can be controlled in terms of position between the closed position in which no flow is diverted from the heat exchanger (2) and a multitude of open positions in which part of the flow is diverted from the heat exchanger (2) according to the position of opening, a mixing zone (ZM) for mixing the flow that has passed through the evaporator (2) and the flow of air diverted by the bypass means (V1) so as to obtain an air flow at a setpoint temperature.
    Type: Application
    Filed: November 13, 2015
    Publication date: October 12, 2017
    Applicant: Valeo Systemes Thermiques
    Inventors: Bastien Jovet, Fabrice Ailloud, Frédéric Ladrech, Philippe Pierres
  • Patent number: 9731623
    Abstract: A liquid cooling circuit for a storage battery, with which a motor vehicle of the electric or hybrid type is equipped includes a main loop for the circulation of a heat transfer fluid, the main loop is connected to elements for cooling the storage battery, and a first bypass connects the main loop to an air cooling radiator, and a second bypass connecting the main loop to a heat exchanger intended to be connected to an air conditioning system with which the motor vehicle is equipped, so as to cool the heat transfer fluid by means of the radiator and/or the heat exchanger of the air conditioning system. The main loop is connected to the first bypass by way of a first progressive three-way valve, and the main loop is connected to the second bypass by way of a second progressive three-way valve.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: August 15, 2017
    Assignee: VALEO SYSTEMES THERMIQUES
    Inventors: Christophe Rousseau, Bastien Jovet, Frederic Ladrech
  • Publication number: 20150249238
    Abstract: A housing of a battery pack for a motor vehicle. A module comprising several electric cells is associated with a heat-regulating plate. A wall of the housing comprises an element in relief and exerts a tightening force on the plate. The invention also relates to the battery pack.
    Type: Application
    Filed: February 1, 2013
    Publication date: September 3, 2015
    Inventors: Gerald Andre, Philippe Gilotte, Gilles Elliot, Vincent Feuillard, Frederic Ladrech
  • Publication number: 20150135742
    Abstract: Disclosed is a liquid cooling circuit for a storage battery with which a motor vehicle of the electric or hybrid type is equipped, comprising a main loop for the circulation of a heat transfer fluid, said main loop being connected to elements for cooling the storage battery, and a first bypass connecting the main loop to an air cooling radiator, and a second bypass connecting the main loop to a heat exchanger intended to be connected to an air conditioning system with which the motor vehicle is equipped, so as to cool the heat transfer fluid by means of the radiator and/or the heat exchanger of the air conditioning system. The main loop is connected to the first bypass by way of a first progressive three-way valve, and the main loop is connected to the second bypass by way of a second progressive three-way valve.
    Type: Application
    Filed: November 17, 2014
    Publication date: May 21, 2015
    Inventors: Christophe Rousseau, Bastien Jovet, Frederic Ladrech
  • Publication number: 20130040804
    Abstract: The invention relates to a composition (1) comprising an activated carbon (4) and a zeolite (2), the zeolite (2) comprising Fe ions. The invention also relates to an air filter (12) for a ventilation, heating, and/or air conditioning system comprising this composition (1).
    Type: Application
    Filed: November 26, 2010
    Publication date: February 14, 2013
    Applicant: VALEO SYSTEMES THERMIQUES
    Inventors: Frederic Ladrech, Amanda Martinell, Natacha Caudy, Laetitia Del Fabbro, Michel Ondarts, Cecile Hort
  • Patent number: 7892334
    Abstract: The object of the present invention is to provide a package of a volatile substance, which comprises a bag having a volatile substance with an antibacterial action enclosed therein, and a case having the bag enclosed therein, wherein the case is allowed to have a size and shape complying with the amount of a volatile substance having permeated the bag so that the shape of the case can be adapted to the volumes and shapes of various air conditioners, while the volatile substance can be volatilized at a predetermined rate.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: February 22, 2011
    Assignees: Valeo Thermal Systems Japan Corporation, Valeo Systemes Thermiques, Rengo Co., Ltd.
    Inventors: Shinichi Hara, Akihiko Yoshida, Frederic Giraud, Frederic Ladrech, Yoshie Aoki, Masumi Yamaguchi, Kiyoshi Kamei, Hidenao Saito
  • Patent number: 7892333
    Abstract: The purpose of the invention is a treatment device fitting in a filter, particularly a particle filter (1) or a combined filter of a heating, ventilation and/or air conditioning installation for a vehicle cabin, to prevent the development of microorganisms on the surfaces of such an installation. This device is composed mainly of a permeable container (6) for a volatile treatment agent, and comprises means for attachment of the container (6) to the filter (1) between the folds of the filter structure (3) making up the filter, so that the container (6) can be installed on any filter (1) in an existing installation to prevent the development of microorganisms on the surfaces of such an installation.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: February 22, 2011
    Assignee: Valeo Systemes Thermiques S.A.S.
    Inventors: Gilles Elliot, Frédéric Ladrech, Frédéric Giraud
  • Patent number: 7670413
    Abstract: An antimicrobial purification device for ventilation, heating and/or air conditioning systems diffuses a volatile purification agent. The antimicrobial purification device includes an air filter (1) having a frame (2) holding a filtering agent (3). The filter (1) comprises at least one means for integrating substrate (5) holding the purification agent, consisting of a housing (4) holding the substrate (5) positioned in the frame (2) of the filter (1) or in a container mounted on this frame (2). A cap (6) sealing the housing (4) is fitted with a pin (18) to pierce a protective cover (19) in order to diffuse the purification agent as required.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: March 2, 2010
    Assignee: Valeo Systemes Thermiques, S.A.S.
    Inventors: Laurence Cornu, Gilles Elliot, Frederic Ladrech
  • Patent number: 7578873
    Abstract: The invention relates to an air treatment device using a volatile treating agent contained inside a permeable container (1), particularly applicable to a ventilating, heating and/or air conditioning installation. The treating agent is a liquid packaged inside a cohesive spongy body (2) occupying the available volume of a chamber (3) formed by an internal hollow of the container (1).
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: August 25, 2009
    Assignee: Valeo Systemes Thermiques S.A.S.
    Inventors: Gilles Elliot, Frederic Giraud, Frederic Ladrech
  • Patent number: 7540903
    Abstract: The object of the invention is a device for ionizing (2) particles carried in an airflow (4) circulating inside a system, this device (2) including at least two electrodes (8, 9) held by a chassis (13) and connected, respectively, to the corresponding terminals (10, 11) of a polarized electrical power supply. Two adjacent first electrodes (8) are arranged on either side of a second electrode (9), which is formed from at least one conductor cable (14). The latter (14) is hooked onto fingers (15) that are designed as an elastic part for tensioning the conductor cable (14) and that are held by the chassis (13).
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: June 2, 2009
    Assignee: Valeo Systems Thermiques, S.A.S.
    Inventors: Frederic Ladrech, Didier Loup
  • Publication number: 20080210094
    Abstract: The object of the present invention is to provide a package of a volatile substances which comprises a bag having a volatile substance with an antibacterial action enclosed therein, and a case having the bag enclosed therein, wherein the case is allowed to have a size and shape complying with the amount of a volatile substance having permeated the bag so that the shape of the case can be adapted to the volumes and shapes of various air conditioners, while the volatile substance can be volatilized at a predetermined rate.
    Type: Application
    Filed: April 12, 2005
    Publication date: September 4, 2008
    Applicants: Valeo Thermal Systems Japan Corporation, Valeo Systems Thermiques, Rengo Co., Ltd.
    Inventors: Shinichi Hara, Akihiko Yoshida, Frederic Giraud, Frederic Ladrech, Yoshie Aoki, Masumi Yamaguchi, Kiyoshi Kamei, Hidenao Saito
  • Publication number: 20070261376
    Abstract: The purpose of the invention is a treatment device fitting in a filter, particularly a particle filter (1) or a combined filter of a heating, ventilation and/or air conditioning installation for a vehicle cabin, to prevent the development of microorganisms on the surfaces of such an installation. This device is composed mainly of a permeable container (6) for a volatile treatment agent, and comprises means for attachment of the container (6) to the filter (1) between the folds of the filter structure (3) making up the filter, so that the container (6) can be installed on any filter (1) in an existing installation to prevent the development of microorganisms on the surfaces of such an installation.
    Type: Application
    Filed: June 13, 2005
    Publication date: November 15, 2007
    Applicant: VALEO SYSTEMES THERMIQUES
    Inventors: Gilles Elliot, Frederic Ladrech, Frederic Giraud
  • Publication number: 20070202799
    Abstract: The subject of the invention is a heating, ventilation and/or air-conditioning unit, especially for a vehicle, which is equipped with means for treating the air by diffusion of a volatile agent. This unit comprises a wall (2) bounding an air circuit (8), this wall (2) having an opening (7) therethrough for the passage of a treatment cartridge (1). A permeable partition (10) defines a diffusion chamber (11) for the volatile agent, this partition (10) being placed in the internal volume of the air circuit (8).
    Type: Application
    Filed: February 6, 2007
    Publication date: August 30, 2007
    Applicant: Valeo Systemes Thermiques S.A.S.
    Inventors: Frederic Giraud, Frederic Ladrech, Gilles Elliot
  • Publication number: 20070028775
    Abstract: The object of the invention is a device for ionizing (2) particles carried in an airflow (4) circulating inside a system, this device (2) including at least two electrodes (8, 9) held by a chassis (13) and connected, respectively, to the corresponding terminals (10, 11) of a polarized electrical power supply. Two adjacent first electrodes (8) are arranged on either side of a second electrode (9), which is formed from at least one conductor cable (14). The latter (14) is hooked onto fingers (15) that are designed as an elastic part for tensioning the conductor cable (14) and that are held by the chassis (13).
    Type: Application
    Filed: July 28, 2006
    Publication date: February 8, 2007
    Applicant: Valeo Systemes Thermiques S.A.S.
    Inventors: Didier Loup, Frederic Ladrech