Patents by Inventor LUCA NUTI

LUCA NUTI 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: 11433971
    Abstract: A high performance synchronous transmission to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft and a hub shaft parallel therebetween and perpendicular to the median plane of the motorcycle, comprising on the crankshaft a centrifugal clutch, for the automatic engagement of the first speed above a predetermined rotation regime, and a driving pulley apt to transmit the motion through a subsequent kinematic chain, is provided with a coupling between crankshaft and driving pulley which connects them directly, by determining with its own engagement the exclusion of said centrifugal clutch, said coupling being controlled in disengagement when a control lever is in active position.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 6, 2022
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Walter Mariotti, Luca Nuti
  • Patent number: 11421757
    Abstract: A synchronous transmission (1) for a motorcycle comprises a primary shaft (51) of mechanical gearbox, and a pair of secondary shafts (52, 53) equipped with one or more secondary gearwheels for transmitting the motion to a hub shaft (75), wherein a desmodromic drum (70) actuates a pair of coupling forks (67, 68) selectively defining the position of respective sliding couplings (65, 66) between primary (51) and secondary shafts (52, 53) to select all speeds of the transmission, the desmodromic drum (70) being in phase with a device (80) for actuating the gearwheels, and wherein the coupling forks (67, 68) are equipped with a cam follower end (69) maneuvered by said desmodromic drum (70) having a cylindrical surface (79) whereon a single desmodromic track (19) is formed.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: August 23, 2022
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Walter Mariotti, Luca Nuti
  • Patent number: 11391330
    Abstract: A high performance synchronous transmission to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft and a hub shaft parallel therebetween and perpendicular to the median plane of the motorcycle, having a primary shaft of mechanical gearbox equipped with a primary gearwheel, and a pair of secondary gearwheels equipped with one or more secondary shafts for transmitting the motion to a hub shaft, wherein the primary shaft receives the motion through a driven pulley which receives the motion by a driving pulley connected to the crankshaft, an input clutch being provided on the primary shaft.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 19, 2022
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Walter Mariotti, Luca Nuti
  • Patent number: 11292328
    Abstract: A synchronized transmission (1) used in a motorcycle, wherein a crankshaft actuated by the engine and a driven shaft, connected to a rear wheel, are substantially parallel and kinematically connected therebetween, comprising a first axial actuation synchronizer (16) placed at the front of the crankshaft (2) and a second axial actuation synchronizer (17) arranged at the front of a driven shaft kinematically connected to a rear wheel, each synchronizer (16, 17) comprising a respective rotating cam actuator (26, 29) having a cam (29) apt to be rotated by a respective cam spindle (30) by determining a translation thereof which interferes with an actuation end of the respective synchronizer (16, 17).
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: April 5, 2022
    Assignee: PIAGGIO & C. S.p.A.
    Inventors: Luca Nuti, Walter Mariotti
  • Patent number: 10807475
    Abstract: It is described a rechargeable battery pack (20) for an electric or hybrid vehicle (1), comprising: —at least one electric connection member (23) to a powertrain group (5) of the electric or hybrid vehicle (1); —a plurality of mutually electrically connected cells (30); —at least one first circuit block (40) integrated in the rechargeable battery pack (20) and comprising a receiver (41) of satellite geo-localization signals and a processing unit (42) of said signals, which is operatively connected to said receiver (41) and adapted to detect a piece of information of geographic positioning of the rechargeable battery pack (20) in a geo-referenced system.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 20, 2020
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Luca Carmignani, Andrea Grassi, Luca Nuti
  • Patent number: 10766566
    Abstract: Propulsion unit for an electric, pedal-assisted bicycle comprising an electric machine having a stator and a rotor, rotatable about a motor axis, said rotor being operatively connected to a crank pin, defining a crank axis, mechanically connected to pedals, and coaxial with the motor axis, wherein the rotor is coaxial and external with respect to the stator so as radially enclose the rotor. The propulsion unit comprises at least one electronic unit for operating and controlling the functioning of the electric machine, and at least a pair of housings that define a containment space which houses the electric machine and at least partially the crank pin.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: September 8, 2020
    Assignee: PIAGGIO & C. S.p.A
    Inventors: Paolo Capozzella, Luca Carmignani, Luca Nuti, Giorgio Prosperini
  • Patent number: 10683899
    Abstract: A synchronizer for a transmission to be used aboard a motor vehicle, includes: a primary shaft; a bell-shaped member assembled on the primary shaft having inside a friction cylindrical surface; a supporting element, revolvingly mounted on the primary shaft and housed within the bell-shaped member; a shoe having a friction profile located within an outer edge of the supporting element and faced towards the friction cylindrical surface of the bell-shaped member, jointed to the supporting element by a pair of arms in an articulated quadrilateral linkage configuration; and means for translating the shoe by rotating said arms both in clockwise and counter clockwise direction, by causing a projection of the shoe above the outer edge of the supporting element, interference of an end of the shoe with said friction cylindrical surface of the bell-shaped member, thereby causing a jamming thereof.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: June 16, 2020
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Luca Nuti, Walter Mariotti
  • Publication number: 20190389536
    Abstract: A synchronized transmission, which can be used aboard a vehicle and in particular a motorcycle, wherein the crankshaft actuated by the engine and the driven shaft, connected to a rear wheel, are substantially parallel therebetween, the driven shaft receiving the motion from a primary shaft kinematically connected to the crankshaft, wherein the primary shaft has at least one toothed wheel, which transmits the motion to said driven shaft, arranged on a driven bushing assembled on the primary shaft, the primary shaft comprising a passing-through axial channel wherein an actuation stem is inserted, comprising a clutch, acting on said driven bushing and actuated axially through said stem, which makes said driven bushing integral to the motion transmission so as to exclude the reversibility of the free wheel itself.
    Type: Application
    Filed: November 30, 2017
    Publication date: December 26, 2019
    Inventors: Luca NUTI, Walter MARIOTTI
  • Publication number: 20190389538
    Abstract: A high performance synchronous transmission to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft and a hub shaft parallel therebetween and perpendicular to the median plane of the motorcycle, comprising on the crankshaft a centrifugal clutch, for the automatic engagement of the first speed above a predetermined rotation regime, and a driving pulley apt to transmit the motion through a subsequent kinematic chain, is provided with a coupling between crankshaft and driving pulley which connects them directly, by determining with its own engagement the exclusion of said centrifugal clutch, said coupling being controlled in disengagement when a control lever is in active position.
    Type: Application
    Filed: November 30, 2017
    Publication date: December 26, 2019
    Inventors: Walter MARIOTTI, Luca NUTI
  • Publication number: 20190389295
    Abstract: A synchronized transmission (1) used in a motorcycle, wherein a crankshaft actuated by the engine and a driven shaft, connected to a rear wheel, are substantially parallel and kinematically connected therebetween, comprising a first axial actuation synchronizer (16) placed at the front of the crankshaft (2) and a second axial actuation synchronizer (17) arranged at the front of a driven shaft kinematically connected to a rear wheel, each synchronizer (16, 17) comprising a respective rotating cam actuator (26, 29) having a cam (29) apt to be rotated by a respective cam spindle (30) by determining a translation thereof which interferes with an actuation end of the respective synchronizer (16, 17).
    Type: Application
    Filed: November 30, 2017
    Publication date: December 26, 2019
    Inventors: Luca Nuti, Walter Mariotti
  • Patent number: 10513188
    Abstract: A rechargeable battery pack (20) for an electric or hybrid vehicle (1), comprising: at least one electric connection member (23) to a powertrain unit (5) of the electric or hybrid vehicle (1); a plurality of mutually electrically connected cells (30); at least one first circuit block (40) integrated in the rechargeable battery pack (20) and comprising a radio communication interface (45).
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: December 24, 2019
    Assignee: PIAGGIO & C. S.P.A.
    Inventors: Luca Carmignani, Andrea Grassi, Luca Nuti
  • Publication number: 20190383363
    Abstract: A synchronous transmission (1) for a motorcycle comprises a primary shaft (51) of mechanical gearbox, and a pair of secondary shafts (52, 53) equipped with one or more secondary gearwheels for transmitting the motion to a hub shaft (75), wherein a desmodromic drum (70) actuates a pair of coupling forks (67, 68) selectively defining the position of respective sliding couplings (65, 66) between primary (51) and secondary shafts (52, 53) to select all speeds of the transmission, the desmodromic drum (70) being in phase with a device (80) for actuating the gearwheels, and wherein the coupling forks (67, 68) are equipped with a cam follower end (69) maneuvered by said desmodromic drum (70) having a cylindrical surface (79) whereon a single desmodromic track (19) is formed.
    Type: Application
    Filed: December 1, 2017
    Publication date: December 19, 2019
    Inventors: Walter Mariotti, Luca Nuti
  • Publication number: 20190345992
    Abstract: A high performance synchronous transmission to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft and a hub shaft parallel therebetween and perpendicular to the median plane of the motorcycle, having a primary shaft of mechanical gearbox equipped with a primary gearwheel, and a pair of secondary gearwheels equipped with one or more secondary shafts for transmitting the motion to a hub shaft, wherein the primary shaft receives the motion through a driven pulley which receives the motion by a driving pulley connected to the crankshaft, an input clutch being provided on the primary shaft.
    Type: Application
    Filed: November 30, 2017
    Publication date: November 14, 2019
    Inventors: Walter MARIOTTI, Luca NUTI
  • Publication number: 20190316677
    Abstract: A high performance synchronous transmission (1) to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft (2) and a hub shaft parallel there between and perpendicular to the median plane of the motorcycle, comprises an actuator (80) having an electric motor (81) which rotates an actuator shaft (85) acting on a set of cams (86) to actuate a clutch lever (47) acting on an input clutch (40), and a first control lever (20) acting on a second clutch (5), in a way synchronized with the gearwheels which are engaged.
    Type: Application
    Filed: November 30, 2017
    Publication date: October 17, 2019
    Inventors: Walter Mariotti, Luca Nuti
  • Publication number: 20190316659
    Abstract: A high performance synchronous transmission (1) to be used aboard a motorcycle for transmitting the motion generated by an engine to a driving wheel, between a crankshaft (2) and a hub shaft parallel therebetween and perpendicular to the median plane of the motorcycle, providing a driving pulley (13) arranged at the crankshaft and a driven pulley (17) arranged at a hub shaft (75) and connected kinematically to an input clutch (40), the two pulleys (13, 17) being connected by a belt (18) so as to guarantee a substantially synchronous transmission, the belt (18) being equipped with a tensioning device (30) having a tensioning wheel (34) pressed on a branch of the belt (18), said tensioning wheel (34) being assembled on an eccentric element (32) the position thereof is variable, wherein the tensioning device (30) has a fixed pin (31), integral to a fixed portion of the transmission (1), whereon a circular and eccentric supporting element (32) is assembled, which forms a circular periphery whereon a bearing (33)
    Type: Application
    Filed: November 30, 2017
    Publication date: October 17, 2019
    Inventors: Walter Mariotti, Luca Nuti
  • Patent number: 10392076
    Abstract: Propulsion unit for an electric pedal assisted cycle (EPAC) comprising an electric machine having a stator and a rotor, rotatable about a motor axis, said rotor (16) being operatively connected to a crank pin, defining a crank axis, mechanically connected to the pedals, wherein the propulsion unit comprises at least an electronic unit for operating and controlling the functioning of the electric machine, wherein the propulsion unit comprises at least a pair of housings defining a containment space which houses the electric machine and at least partially the crank pin, wherein the propulsion unit comprises transmission means of the motion from the rotor to the crank pin, wherein the electronic unit is contained and supported inside said containment space by an intermediate support element.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 27, 2019
    Assignee: PIAGGIO & C. S.p.A
    Inventors: Paolo Capozzella, Luca Carmignani, Luca Nuti, Giorgio Prosperini
  • Publication number: 20190170197
    Abstract: A synchronizer (20) for a speed transmission which can be used aboard a vehicle, in particular a motorcycle, allows the possibility of selecting each gear in any moment, by guaranteeing as additional feature that of being able to exploit the effect of the exhaust brake independently from the engaged gear and independently from the motor regime, and it comprises: a primary shaft (8); a bell-shaped member (1) assembled on said primary shaft (8) having inside a friction cylindrical surface (18); a supporting element (2), revolvingly mounted on said primary shaft (8) and housed within said bell-shaped member (1); at least a shoe (3) having a friction profile localised within the outer edge of the supporting element (2) and faced towards the friction cylindrical surface (18) of the bell-shaped member (1), jointed to said supporting element (2) by a pair of arms (4) in an articulated quadrilateral configuration; and means for translating said shoe (3) by rotating said arms (4) both in clockwise and counterclockwise
    Type: Application
    Filed: August 1, 2016
    Publication date: June 6, 2019
    Applicant: Piaggio & C. S.p.A
    Inventors: Luca Nuti, Walter Mariotti
  • Publication number: 20180328416
    Abstract: A rotating shaft device, comprising a fixed carter (21) and driving means integral to at least one of one or more rotating shafts (8) of the rotating shaft device, each driving means having its own integrated control and power supply unit (11, 25), allows the transmission of signals, even with low intensity, to this unit and to this regard it comprises: one or more annular antennas (24), connected to said respective control and power supply unit (11, 25) and arranged so as to at least partially surround one or more of said rotating shafts (8), and integral to the rotating shaft (8) of the respective control and power supply unit (11, 25), so that said rotating shafts (8) act as wave guide for the signals received from said one or more annular antennas (24) and intended to be received by the respective control and power supply unit (11, 25) to drive said driving means associated thereto; and radio transmission means (26), integral with the carter (21) and associated to one or more of said rotating shafts (8) t
    Type: Application
    Filed: August 1, 2016
    Publication date: November 15, 2018
    Applicant: Piaggio & C. S.p.A
    Inventors: Luca Nuti, Jury Cantini, Jeanpaul Milani
  • Publication number: 20170334512
    Abstract: Propulsion unit (8) for an electric, pedal-assisted bicycle comprising an electric machine (12) having a stator (14) and a rotor (16), rotatable about a motor axis (M-M), said rotor (16) being operatively connected to a crank pin (18), defining a crank axis (X-X), mechanically connected to pedals (20), and coaxial with the motor axis (M-M), wherein the rotor (16) is coaxial and external with respect to the stator (14) so-as radially enclose the rotor (16). The propulsion unit (8) comprises at least one electronic unit (32) for operating and controlling the functioning of the electric machine (12), and at least a pair of housings (24, 26) that define a containment space (28) which houses the electric machine (12) and at least partially the crank pin (18). The propulsion unit (8) comprises transmission means (36) of.
    Type: Application
    Filed: October 27, 2015
    Publication date: November 23, 2017
    Inventors: Paolo Capozzella, Luca Carmignani, Luca Nuti, Giorgio Prosperini
  • Publication number: 20170334515
    Abstract: Propulsion unit for an electric pedal assisted cycle (EPAC) comprising an electric machine having a stator and a rotor, rotatable about a motor axis, said rotor (16) being operatively connected to a crank pin, defining a crank axis, mechanically connected to the pedals, wherein the propulsion unit comprises at least an electronic unit for operating and controlling the functioning of the electric machine, wherein the propulsion unit comprises at least a pair of housings defining a containment space which houses the electric machine and at least partially the crank pin, wherein the propulsion unit comprises transmission means of the motion from the rotor to the crank pin, wherein the electronic unit is contained and supported inside said containment space by an intermediate support element
    Type: Application
    Filed: October 27, 2015
    Publication date: November 23, 2017
    Inventors: Paolo Capozzella, Luca Carmignani, Luca Nuti, Giorgio Prosperini