Patents by Inventor Giovanni Grieco

Giovanni Grieco 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).

  • Publication number: 20200072316
    Abstract: A device for damping torsional oscillations, the device including at least one support capable of rotational displacement around an axis, at least one pendulum assembly, including at least one pendulum mass, the pendulum assembly being movable with respect to the support, at least one rolling member, each rolling member interacting with at least one first raceway defined by the support and with at least one second raceway defined by the pendulum assembly, the displacement of the pendulum assembly with respect to the support being guided by at least one of those rolling members, the device further including at least one friction member, carried by the pendulum assembly, for generating hysteresis in all or parts of the relative displacements of the pendulum assembly and the support.
    Type: Application
    Filed: February 11, 2018
    Publication date: March 5, 2020
    Applicant: NANJING VALEO CLUTCH CO., LTD.
    Inventors: Jonathan ROST, Chunhui LIU, Ke ZHANG, Xing ZHAO, David SALVADORII, Roel VERHOOG, Giovanni GRIECO, Antoine VIGREUX, Olivier FAFET, Matthieu MALLEY
  • Patent number: 10233996
    Abstract: The invention relates to a vibration damping system for a motor vehicle transmission, comprising: a support member (1) capable of being driven rotationally around an axis X and having a plurality of outer raceways (16); and a plurality of pendulum flyweights (2) distributed circumferentially around the axis X; each of the pendulum flyweights (2) being mounted oscillatingly with respect to the support member (1) by means of two rolling bodies (12, 13) that interact respectively with one and the other of the two inner raceways (14, 15) of the pendulum flyweight (2) and each interact with one of the outer raceways (16) of the support member (1), the outer raceways (16) being juxtaposed one after another continuously around the axis X, so that the rolling bodies (12, 13) are each capable of passing freely from a first outer raceway (16) to a second outer raceway (16).
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: March 19, 2019
    Assignee: Valeo Embrayages
    Inventors: Roel Verhoog, Giovanni Grieco
  • Publication number: 20170343075
    Abstract: A vehicle transmission system component including a first subassembly having an input and an output, between which a torque can be transmitted. A second subassembly forms a pendulum-type damping device, and disposed outside the path of the torque transmitted by the first subassembly. The first and the second subassemblies are connected to one another by at least one connecting element capable of being elastically deformed circumferentially.
    Type: Application
    Filed: May 23, 2017
    Publication date: November 30, 2017
    Applicant: VALEO EMBRAYAGES
    Inventors: Giovanni GRIECO, Roel VERHOOG
  • Publication number: 20170268600
    Abstract: A support (4) for a pendulum damping device (2), comprising: a first portion (7) capable of being connected to a component (1) of a motor vehicle transmission system; and a second portion (8) in which is configured at least one first raceway capable of interacting with a bearing member (21) in order to guide the displacement of a pendulum assembly (5), the first portion (7) and the second portion (8) being rigidly connected to one another, and the first portion (7) being obtained by cutting out the central zone of the second portion (8).
    Type: Application
    Filed: March 21, 2017
    Publication date: September 21, 2017
    Inventors: Michael HENNEBELLE, Giovanni GRIECO, Roel VERHOOG, David SALVADORI
  • Publication number: 20170241509
    Abstract: The invention relates to a vibration damping system for a motor vehicle transmission, comprising: a support member (1) capable of being driven rotationally around an axis X and having a plurality of outer raceways (16); and a plurality of pendulum flyweights (2) distributed circumferentially around the axis X; each of the pendulum flyweights (2) being mounted oscillatingly with respect to the support member (1) by means of two rolling bodies (12, 13) that interact respectively with one and the other of the two inner raceways (14, 15) of the pendulum flyweight (2) and each interact with one of the outer raceways (16) of the support member (1), the outer raceways (16) being juxtaposed one after another continuously around the axis X, so that the rolling bodies (12, 13) are each capable of passing freely from a first outer raceway (16) to a second outer raceway (16).
    Type: Application
    Filed: October 7, 2015
    Publication date: August 24, 2017
    Inventors: Roel VERHOOG, Giovanni GRIECO
  • Patent number: 9685080
    Abstract: A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: June 20, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Giovanni Grieco, Benedetta Guidi, Michelangelo La Placa, Riccardo Pizzutilo
  • Patent number: 9685081
    Abstract: A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: June 20, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Giovanni Grieco, Benedetta Guidi, Michelangelo La Placa, Riccardo Pizzutilo
  • Patent number: 9366312
    Abstract: A torsion damping device (10) of an automotive temporary coupling system, comprising: a torque input element (12A, 12B) and a torque output element (18); an upstream circumferentially acting elastic member (36A) capable of being loaded by or of loading the input element (12A, 12B); a downstream circumferentially acting elastic member (36B) capable of loading or of being loaded by the output element (18); a radial phase washer (40A, 40B) arranged so that the two elastic members (36A, 36B) are mounted in series; each elastic member (36A, 36B) is received circumferentially between a phasing face (50A, 50B) and an oppositely located radial retention face (52B, 52A) of the phase washer (40A, 40B), the circumferential distance (D) between said faces (50A, 50B, 52B, 52A) being equal at most to the circumferential length of the elastic member at rest.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: June 14, 2016
    Assignee: Valeo Embrayages
    Inventors: Giovanni Grieco, Norberto Termenon
  • Patent number: 9068624
    Abstract: A torsion damping device (10), in particular for a motor vehicle transmission, wherein the damping device (10) comprises at least two pendulum oscillators, a first washer (24A) having at least one first pendulum oscillator (P1) and a second washer (24B) having at least one second pendulum oscillator (P2).
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: June 30, 2015
    Assignee: VALEO EMBRAYAGES
    Inventors: Roel Verhoog, Michael Hennebelle, Giovanni Grieco, Norberto Termenon
  • Publication number: 20140113733
    Abstract: A torsion damping device (10), in particular for a motor vehicle transmission, wherein the damping device (10) comprises at least two pendulum oscillators, a first washer (24A) having at least one first pendulum oscillator (P1) and a second washer (24B) having at least one second pendulum oscillator (P2).
    Type: Application
    Filed: April 25, 2012
    Publication date: April 24, 2014
    Applicant: VALEO EMBRAYAGES
    Inventors: Roel Verhoog, Michael Hennebelle, Giovanni Grieco, Norberto Termenon
  • Publication number: 20140076682
    Abstract: A torsion damping device (10) of an automotive temporary coupling system, comprising:—a torque input element (12A, 12B) and a torque output element (18);—an upstream circumferentially acting elastic member (36A) capable of being loaded by or of loading the input element (12A, 12B);—a downstream circumferentially acting elastic member (36B) capable of loading or of being loaded by the output element (18);—a radial phase washer (40A, 40B) arranged so that the two elastic members (36A, 36B) are mounted in series; each elastic member (36A, 36B) is received circumferentially between a phasing face (50A, 50B) and an oppositely located radial retention face (52B, 52A) of the phase washer (40A, 40B), the circumferential distance (D) between said faces (50A, 50B, 52B, 52A) being equal at most to the circumferential length of the elastic member at rest.
    Type: Application
    Filed: April 24, 2012
    Publication date: March 20, 2014
    Applicant: VALEO EMBRAYAGES
    Inventors: Giovanni Grieco, Norberto Termenon
  • Publication number: 20120161981
    Abstract: A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
    Type: Application
    Filed: March 9, 2012
    Publication date: June 28, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: GIOVANNI GRIECO, BENEDETTA GUIDI, MICHELANGELO LA PLACA, RICCARDO PIZZUTILO
  • Publication number: 20120112927
    Abstract: A method and system for managing a set of traffic lights at an intersection, measuring the Doppler Effect of a signal emitted by a vehicle, where such Doppler Effect being a function of the vehicle movement with respect to said intersection, and deciding as a function of such measure a new state for each traffic light at the intersection so as to facilitate passage of the approaching vehicle.
    Type: Application
    Filed: November 4, 2011
    Publication date: May 10, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: GIOVANNI GRIECO, BENEDETTA GUIDI, MICHELANGELO LA PLACA, RICCARDO PIZZUTILO
  • Patent number: 6299541
    Abstract: A double flywheel vibration damper including two coaxial masses free to rotate relative to each other and acting against elastic parts, in which one of the masses, referred to as the first mass, is intended to be fastened to a drive shaft, whereas the other mass, referred to as the second mass, includes a reaction plate assuring rotational connection to a driven shaft, and in which the first mass has a central hub projecting axially and carrying bearing member operating between the second mass and the central hub to enable the second mass to rotate on the first mass, wherein the central hub comprises two aligned coaxial parts, namely a first hub supporting the second mass rotationally via the bearing member fitted on this first hub, and a second hub intended to be fastened to the drive shaft, and wherein the second hub constitutes an axial spacer between the drive shaft and the first hub. The invention is applicable to motor vehicle transmission systems.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: October 9, 2001
    Assignee: Valeo
    Inventors: Patrice Bertin, Daniel Fenioux, Giovanni Grieco
  • Patent number: 5934654
    Abstract: A double damping flywheel for a motor vehicle, comprising two coaxial masses mounted movably in relation to one another in opposition to a resilient member and a friction member (51-55). A bearing part (60) is provided between the masses, integral with one of the said masses, and for the most part receives the friction means. The bearing part (60) comprises a shoulder engaging (60B) with teeth (62) designed to be edged so as to keep a stack of washers (51-55) in position, each tooth (62) being framed by stabilising lugs (70) allowing the bending operation to be assisted by a matrix of tools.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: August 10, 1999
    Assignee: Valeo
    Inventors: Ayman Mokdad, Giovanni Grieco
  • Patent number: 5823311
    Abstract: A flywheel comprising a first and second coaxial body (1, 2) movably mounted in relation to one another against an elastic member (8) and friction device (50, 150). The first body (1) is mounted to a drive shaft while the second body (2) includes a reaction plate (21) for a friction clutch. The first body (1) includes a member (60) on its outer periphery, a stiffener, extending close to the second body (2). The friction devices (50, 150) are inserted between the member (60) and the second body (2). The flywheel is adapted for use with a motor vehicle.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: October 20, 1998
    Assignee: Valeo
    Inventors: Ayman Mokdad, Giovanni Grieco
  • Patent number: 5228361
    Abstract: A polarised manual gearchange lever for a motor vehicle gearbox or the like comprises an upstream part having a knob and carried by a downstream part of the lever, with a slight misalignment between the two parts occurring on manipulation of the knob, together with a force threshold detector which includes electrical sensor means. The force threshold detector comprises a resiliently deformable, or elastic, bar having a head portion, which is fixed with respect to the knob, and a foot portion which is fixed against deflection in a female element that is itself fixed to the downstream part of the lever.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: July 20, 1993
    Assignee: Valeo
    Inventors: Frank Chazot, Emannuel Lafaye, Giovanni Grieco