Patents Assigned to Dayco Europe S.r.l.
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Publication number: 20220297528Abstract: A transmission module for a hybrid drive vehicle has a tray-like support structure adapted to be fixed to an internal combustion engine and defining a housing for a decoupling clutch, a first power port for connection to an output member of the decoupling clutch, a second power port for connection to an electric machine, and a module transmission having respective transmission members associated with the power ports, and transmission means connecting the transmission members to each other. The power ports are configured so as to be couplable with respective rotating members of the decoupling clutch and of the electric machine by means of respective axially sliding couplings.Type: ApplicationFiled: June 19, 2020Publication date: September 22, 2022Applicant: DAYCO EUROPE S.R.L.Inventors: Roberto RONCHETTO, Alessio COURTIAL, Gregorio LUCIANI
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Publication number: 20220268342Abstract: A tensioner for a belt transmission of a motor vehicle engine has a fixed part configured to be constrained to the engine and provided with a pin defining a rotation axis (A), an arm having a hub portion hinged on the pin and rotatable about the axis (A) and an opposite portion rotatably supporting a pulley configured to cooperate with a transmission belt, a main spring interposed between the fixed part and the arm to exert a thrust on the arm such as to rotate the arm towards the belt, a roller bearing supporting the arm on the pin, and a pair of damping devices exerting on the arm opposite actions so as to minimize the load on the bearing.Type: ApplicationFiled: July 8, 2020Publication date: August 25, 2022Applicant: DAYCO EUROPE S.R.L.Inventors: Roberto RONCHETTO, Gianluca OSELLA
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Publication number: 20220268202Abstract: Accessory transmission for an engine of a motor vehicle has a first pulley adapted to be connected to a crankshaft of the engine, a second pulley adapted to be connected to a shaft of an electric machine through a one-way clutch, and a belt connecting the first and the second pulley to one another in order to rotate in one and the same rotation direction (R). The one-way clutch is configured so as to couple the second pulley to the shaft of the electric machine when the electric machine drives the second pulley in the rotation direction, and to decouple the second pulley from the shaft of the electric machine when the second pulley tends to overrun the electric machine in the rotation direction.Type: ApplicationFiled: July 30, 2020Publication date: August 25, 2022Applicant: DAYCO EUROPE S.R.L.Inventors: Mario Pennazza, Olivier Boehm
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Patent number: 11242917Abstract: Tensioner for an accessory drive of a motor vehicle each have a support element adapted to be fixed on an electric machine, an intermediate element carried by the support element and rotating with respect thereto about a first fixed axis, a rigid tensioner element rotating with respect to the intermediate element about a second axis parallel to the first axis, a pair of tensioner pulleys carried by the tensioner element and adapted to cooperate with respective branches of an endless drive element of the drive positioned on opposite sides with respect to the electric machine, and a spring acting between the support element and the intermediate element to push the tensioner pulleys into contact with the endless drive element.Type: GrantFiled: May 17, 2018Date of Patent: February 8, 2022Assignee: Dayco Europe S.R.L.Inventors: Andrea Montani, Gianluca Cariccia, Emanuele Angelucci, Sabrina Bertaggia, Claudio Ubertis Albano
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Publication number: 20210123375Abstract: Accessory drives for an internal combustion engine of a vehicle are disclosed that have a first pulley mounted on the drive shaft, a second pulley mounted on the shaft of an electric machine, a belt cooperating with the first and second pulleys, an adjustable-position pulley, and a tensioner. The tensioner has a first tensioning pulley and a second tensioning pulley and at least one spring that biases the first and second tensioning pulleys into contact with respective branches of the belt. The adjustable-position pulley cooperates with the belt to vary the installation tension thereof and is one of the first and second tensioning pulleys, one of the first and second pulleys, or another pulley in the accessory drive.Type: ApplicationFiled: May 17, 2018Publication date: April 29, 2021Applicant: DAYCO EUROPE S.R.L.Inventors: Andrea MONTANI, Gianluca CARICCIA, Emanuele ANGELUCCI, Sabrina BERTAGGIA, Claudio UBERTIS ALBANO
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Publication number: 20200332875Abstract: Pulley-torsional damper integrated group comprising a hub adapted to be rigidly connected to a drive member and a pulley connected to the hub. The hub comprises an inner tubular wall and an outer tubular wall. The pulley is angularly coupled to said hub by means of the ring made of elastomeric material. The elastomeric ring has an outer surface towards the pulley and an inner surface towards the hub, and an adhesive is arranged on at least one of the outer or inner surfaces.Type: ApplicationFiled: May 25, 2017Publication date: October 22, 2020Applicant: DAYCO EUROPE S.R.L.Inventors: Giacomo Casagrande, Mattia Roberto De Luca, Miriam Nardone, Roberto Ronchetto
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Patent number: 10781907Abstract: A filtering pulley having a hub adapted to be fixed to a rotating shaft, a pulley ring mounted coaxial and rotationally free on said hub, and at least one elastic assembly interposed between the hub and the pulley ring and a damper for damping the relative oscillations between the hub and the pulley ring is disclosed. The damper has a first damping level for relative rotations between the hub and the pulley ring which are smaller than a predetermined angle and a second damping level, which is greater than the first level, for relative rotations between the hub and the pulley ring which are larger than the predetermined angle.Type: GrantFiled: March 18, 2016Date of Patent: September 22, 2020Assignee: Dayco Europe S.R.L.Inventors: Gianluca Cariccia, Andrea Guala, Ettore Gaude, Gregorio Luciani
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Patent number: 10751696Abstract: A composition for moisture regulation in the form of a gel is disclosed. The composition includes magnesium chloride, and a cellulose selected from hydroxypropyl methyl cellulose and methyl hydroxyethyl cellulose and water, in which the ratio between the quantity of magnesium chloride and the cellulose is between 0.1 and 16 by weight. Preparation methods for such composition and methods for regulating the moisture of an environment are also disclosed.Type: GrantFiled: January 15, 2018Date of Patent: August 25, 2020Assignee: Dayco Europe S.R.LInventors: Salvatore Davide Crapanzano, Donato Cocina, Dante Vaula
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Patent number: 10753453Abstract: A filtering pulley having a hub adapted to be fixed to a rotating shaft, a pulley ring mounted coaxial and rotationally free on the hub, and a plurality of elastic assemblies arranged circumferentially with respect to the hub and the pulley ring and each interposed between a pair of first elements integral with the hub and between a pair of second elements integral with the pulley ring is disclosed. Each elastic element forms with the first elements and with the second elements respective angular clearances, and the pulley ring and the hub have a free angle of relative rotation equal to the sum of the above-mentioned angular clearances.Type: GrantFiled: March 18, 2016Date of Patent: August 25, 2020Assignee: Dayco Europe S.R.L.Inventors: Gianluca Cariccia, Andrea Guala, Ettore Gaude, Gregorio Luciani
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Patent number: 10718410Abstract: A belt tensioner for a belt drive of a motor vehicle engine, comprising: a fixed part configured to be fixed with respect to the engine and provided with a pivot defining a rotation axis; an arm having a connection portion hinged to the pivot and rotatable about the rotation axis and an opposite portion rotatably supporting a pulley configured to cooperate with a belt of the drive; a main spring interposed between the fixed part and the arm to exert thrust on the arm such as to rotate said arm towards the belt; and at least one rolling bearing interposed between the arm and the pivot to support the arm and ensure the alignment thereof.Type: GrantFiled: December 17, 2014Date of Patent: July 21, 2020Assignee: Dayco Europe S.R.L.Inventors: Gianluca Cariccia, Antonino Cimino
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Publication number: 20200208728Abstract: Filtering pulleys have a hub adapted to be fixed to a rotating shaft, a ring assembled coaxial and rotationally free on the hub, and an elastic assembly arranged circumferentially with respect to the hub and the ring and interposed between a pair of first elements integral with the hub and between a pair of second elements integral with the ring. The elastic assembly includes an elastic element having a progressive rigidity increasing starting from a predetermined threshold value of the angle of relative rotation between the hub and the ring.Type: ApplicationFiled: February 23, 2018Publication date: July 2, 2020Applicant: DAYCO EUROPE S.R.L.Inventors: Gianluca CARICCIA, Andrea GUALA, Ettore GAUDE
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Publication number: 20200141451Abstract: A filtering pulley assembly for an accessory drive of a vehicle has a hub fixedly attachable to a rotating shaft, a pulley mounted coaxial and freely rotating on said hub, an actuator disc carried by the hub, a plurality of elastic assemblies interposed between the pulley and the actuator disc, and a torque limiting coupling configured to rotationally connect the actuator disc to the hub, when the torque is below a predetermined threshold value, and to decouple the actuator disc from the hub, when the torque is above the threshold value.Type: ApplicationFiled: May 22, 2018Publication date: May 7, 2020Applicant: DAYCO EUROPE S.R.L.Inventors: Gianluca CARICCIA, Andrea GUALA, Gregorio LUCIANI, Ettore GAUDE, Stefano AMADIO, Daniele ESPOSTO, Markus ARMBRUST, Marco CIPELLI
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Publication number: 20200088272Abstract: A tensioner that has a base adapted to be secured to an engine, and at least one arm hinged to a pin fixed to the base and bearing a pulley adapted to cooperate with a belt of a transmission of the engine, and elastic means for pushing the at least one arm in a direction so as to keep the pulley against the belt. The tensioner has sensor means for acquiring in real time a plurality of data relating to the tensioner to estimate the state of efficiency of the same.Type: ApplicationFiled: December 21, 2017Publication date: March 19, 2020Applicant: DAYCO EUROPE S.R.L.Inventors: Marco Ravoni, Federico Licata, Gianluca Cariccia
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Publication number: 20200072323Abstract: Tensioner for an accessory drive of a motor vehicle each have a support element adapted to be fixed on an electric machine, an intermediate element carried by the support element and rotating with respect thereto about a first fixed axis, a rigid tensioner element rotating with respect to the intermediate element about a second axis parallel to the first axis, a pair of tensioner pulleys carried by the tensioner element and adapted to cooperate with respective branches of an endless drive element of the drive positioned on opposite sides with respect to the electric machine, and a spring acting between the support element and the intermediate element to push the tensioner pulleys into contact with the endless drive element.Type: ApplicationFiled: May 17, 2018Publication date: March 5, 2020Applicant: DAYCO EUROPE S.R.L.Inventors: Andrea MONTANI, Gianluca CARICCIA, Emanuele ANGELUCCI, Sabrina BERTAGGIA, Claudio UBERTIS ALBANO
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Patent number: 10508711Abstract: A transmission belt is described which comprises a body made of a first elastomeric material, a plurality of teeth and a plurality of longitudinal cords buried in the body of the belt and a back. The belt has a working surface on said teeth and the working surface is at least partially covered by a covering made of a plastic and/or metal material. Defining the area comprised between the plane defined by the neutral axis of the cords, the working surface and the median transverse planes of two adjacent teeth as the unitary longitudinal section, the covering preferably occupies at least 25% of the unitary longitudinal section.Type: GrantFiled: April 8, 2014Date of Patent: December 17, 2019Assignee: Dayco Europe S.R.LInventors: Marco Di Meco, Fabrizio Breggia, Gianluca Perfetti, Giacomo Casagrande
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Publication number: 20190315898Abstract: Power transmission belts have a hydrogenated nitrile-butadiene-PEG acrylate copolymer of 25% to 38% by weight by weight of at least one ?,?-ethylenically unsaturated nitrile unit, 40% to 60% by weight by weight of at least one conjugated diene unit and 10% to 25% by weight by weight of at least one PEG acrylate unit derived from a PEG acrylate of the general formula (I) where R is hydrogen or branched or unbranched C1-C20-alkyl, preferably methyl, ethyl, butyl or ethylhexyl, n is 1 to 8, preferably 2 to 8, more preferably 2 to 5 and most preferably 3 and R1 is hydrogen or CH3-, where the hydrogenated nitrile-butadiene-PEG acrylate copolymer, if n is 1, does not contain any further copolymerizable monomer unit having a free carboxylic acid group.Type: ApplicationFiled: December 5, 2017Publication date: October 17, 2019Applicants: DAYCO EUROPE S.R.L., ARLANXEO DEUTSCHLAND GMBHInventors: Giacomo Casagrande, Ivonne Lucchese, Marco Di Meco, Massimiliano Delli Rocioli, Alessandro D'Auria
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Patent number: 10273878Abstract: A rigid cap is provided for a motor vehicle, in particular, for the engine of a motor vehicle. The rigid cap has a first layer made of a metal material and at least a second layer comprising polyamide 11. Preferably, the second layer is made entirely of polyamide 11 and, even more preferably, entirely covers the first layer. The cap may be a press-fit cap or a threaded cap.Type: GrantFiled: August 12, 2014Date of Patent: April 30, 2019Assignee: Dayco Europe S.R.L.Inventors: Jordi Viladrich, Gianluca Perfetti, Stefan Brandin
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Patent number: 10041564Abstract: Poly-V belts are disclosed that have a body in an elastomeric material, preferably EPDM, a plurality of durable filiform inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs in side by side arrangement alternating with V-shaped grooves. A layer of a thermoplastic material at least partially covers the ribs, and a knitted fabric is arranged over the thermoplastic material. Preferably, the thermoplastic material includes a polyolefin irradiated with a dose amount of radiation between 60 and 140 kGy.Type: GrantFiled: April 30, 2015Date of Patent: August 7, 2018Assignee: Dayco Europe S.R.L.Inventors: Giacomo Casagrande, Marco Di Meco, Paolo Di Marino, Fabrizio Breggia
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Patent number: 9964177Abstract: The dual mass flywheel comprises a spring assembly (4; 104; 112; 128; 129), if necessary, with two stages of which one can include a spiral spring. Furthermore, the dual mass flywheel comprises a friction damping system (111) that applies torque independently of the rotational speed of the flywheel.Type: GrantFiled: October 22, 2012Date of Patent: May 8, 2018Assignee: Dayco Europe S.R.L.Inventors: Gianluca Cariccia, Giacomo Giansetto, Andrea Montani, Andrea Guala
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Patent number: 9945455Abstract: A transmission system is provided that has a drive pulley, at least one driven pulley and an oil wet toothed belt. The toothed belt includes a toothing and a back, a first portion, wherein the toothing is coupled to the drive pulley, a second portion wherein the toothing is coupled to at least one driven pulley, a first taut branch which develops towards the driving pulley and a second slack branch which develops towards the driven pulley. The transmission system also includes a fixed containment guide having at least a first wall facing the toothing and/or the back positioned at a distance from the toothed belt between a minimum distance where at rest it is not in contact with the toothed belt and a maximum distance equal to 5% of the length of one between the taut branch and the slack branch.Type: GrantFiled: July 29, 2014Date of Patent: April 17, 2018Assignee: Dayco Europe S.R.L.Inventors: Franco Cipollone, Massimiliano Delli Rocioli, Marco Di Meco, Luigi Laviola