Patents Assigned to Dana Motion Systems Italia S.r.l.
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Patent number: 11247653Abstract: A hydraulic control system for control of a hydraulic motor. The hydraulic control system comprises a fluid distribution assembly having a tank, a pump to pump fluid from the tank and a directional valve for distributing pressurised fluid from the pump and to return fluid to the tank; a valve assembly fluidly connected to the directional valve, the valve assembly having a first overcenter valve and a pressure reducing valve wherein a first main line connects the directional valve to the first overcenter valve and wherein a shuttle line connects the pressure reducing valve to the first main line; a hydraulic motor fluidly connected to the valve assembly wherein the first main line connects the hydraulic motor to the first overcenter valve; and a brake assembly fluidly connected to the pressure reducing valve, wherein a drain line connects the pressure reducing valve to the hydraulic motor.Type: GrantFiled: February 18, 2019Date of Patent: February 15, 2022Assignee: Dana Motion Systems Italia S.R.L.Inventors: Fabio Natali, Giovanni Mariech
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Patent number: 11248593Abstract: A swash plate bearing is disclosed. The swash plate bearing may have an arcuate cage member having at least one flange and a plurality of rolling elements rotatably coupled to the at least one flange. A coupling seat extends laterally from the at least one flange, the coupling seat may have an insertion hole. A link member may be rotatably coupled to the cage member, the link member having a central portion positioned between a first terminal portion and a second terminal portion. A first stem connects the central portion to the first terminal portion and a second stem connects the central portion to the second terminal portion. The central portion is positioned in the insertion hole.Type: GrantFiled: February 12, 2019Date of Patent: February 15, 2022Assignee: Dana Motion Systems Italia S.r.l.Inventors: David Gambuzzi, Simone Annovi, Paolo Comodi, Luca Fontanesi
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Patent number: 11215203Abstract: A logic valve for management of a hydraulic actuator comprising: a valve body with a hollow seat which extends along a work direction and communicates with a first port adapted for receiving a pressurized working fluid, a second port adapted for fluidly coupling with an operating chamber of the hydraulic actuator, and a third port adapted for discharging the working fluid; a slider within the hollow seat movable along the work direction; and a spring between the valve body and the slider and oriented to act on the slider along the work direction in the direction away from said third port, wherein the slider is movable between a first operating configuration fluidly coupling the second and third ports and excluding fluid communication between them and the first port, and a second operating configuration fluidly coupling the first and second ports and excluding fluid communication between them and the third port.Type: GrantFiled: April 30, 2020Date of Patent: January 4, 2022Assignee: DANA MOTION SYSTEMS ITALIA S.R.L.Inventor: Piergiorgio Trinchieri
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Publication number: 20210380162Abstract: A steering system for vehicles with independent axles is disclosed. The system may have a second circuit for control of a second cylinder. The second circuit may have a solenoid valve, with at least four ways and three positions. The solenoid valve may be interposed between a second hydraulic liquid inlet line, a second hydraulic liquid outlet line, and a third operating duct and a fourth operating duct for the passage of hydraulic liquid. The system moreover envisages an electronic unit for management and control of the directional-control solenoid valve, which is operatively connected to a device for detecting the steering angle imposed by the first cylinder and is designed to manage the directional-control solenoid valve as a function of the data detected by the device.Type: ApplicationFiled: October 9, 2019Publication date: December 9, 2021Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.Inventors: MIRKO BIAGI, STEFANO FASANO, MATTEO GROTT, NICOLA FRANCESCO MUSCIAGNA
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Patent number: 11148918Abstract: A drum and ring gear assembly for winches with geared transmission which comprises a substantially cylindrical drum adapted to be actuated rotationally about its own longitudinal axis and a ring gear accommodated substantially coaxially inside the drum, which are mutually associated so as to rotate integrally about the longitudinal axis by virtue of connecting means; the connecting means is of the positive and/or direct friction type.Type: GrantFiled: July 17, 2018Date of Patent: October 19, 2021Assignee: DANA MOTION SYSTEMS ITALIA S.R.L.Inventors: Alessandro Vighi, Giovanni Mariech, Orazio Amatucci, Sergio Artioli, Fabrizio Federici
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Publication number: 20210268898Abstract: A hydrostatic drive system for vehicles may have a hydrostatic transmission unit with a hydraulic motor provided with a containment body and a drive shaft rotationally supported around a primary axis inside of the containment body. The system may also have an axle with a housing case for a differential device for the transmission of the drive torque to two half-axles and rotating around a secondary axis transverse to the primary axis. The differential device may also have a toothed conical drive ring gear in rotation about the secondary axis. The coupling member may be a conical pinion rigidly associated in rotation about the primary axis with the drive shaft and directly geared with the ring gear, the pinion being positioned along the terminal section of the drive shaft.Type: ApplicationFiled: July 17, 2019Publication date: September 2, 2021Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.Inventors: DAVID GAMBUZZI, NICOLA FRANCESCO MUSCIAGNA, FABIO NATALI, NICOLA TESSARO
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Patent number: 11092174Abstract: The present invention relates to a piston for hydraulic machines with axial positions, comprising a head connected to a stem which is extended along a longitudinal axis and forms a bottom arranged at the opposite end with respect to said head. The piston is further provided with at least one intake duct passing within it and having a first and a second end, which are mutually opposite, open respectively at the head and at the bottom. The distinctive aspect of the invention is that the piston also comprises at least one distribution duct passing within it, which has a first and a second end, which are mutually opposite, the first end of which is in fluid communication with the intake duct and the second end of which is open at the head, the piston being provided monolithically.Type: GrantFiled: February 4, 2020Date of Patent: August 17, 2021Assignee: Dana Motion Systems Italia S.R.L.Inventors: Alessandro Sassi, Fabio Natali, Federica Franzoni, Marco Candura
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Patent number: 11078056Abstract: A winch has a supporting frame with a first wall and a second wall. The winch also has a drum interposed between the first and second walls and is supported by them so as to rotate about its longitudinal axis which is transverse to the walls. The winch also has a flexible element for moving a load being wound around the drum. The winch also has a drive structure associated with the first wall and with a transmission structure for rotationally actuating the drum. The winch may also have a reaction element which is associated with the second wall, which supports the drum so as to rotate and which is associated with the transmission structure in order to support them.Type: GrantFiled: April 24, 2018Date of Patent: August 3, 2021Assignee: Dana Motion Systems Italia S.r.l.Inventors: Alessandro Vighi, Stefano Lazzaretti, Giovanni Mariech
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Publication number: 20210108623Abstract: A bent-axis axial-piston hydraulic machine may have a cylinder block being movable circumferentially about a first rotation axis. The machine may also have a transmission shaft which is functionally associated with the cylinder block and which can rotate about a transmission axis incident on the rotation axis. The machine may also have a distributor, and a device for angular offsetting which is associated with the distributor to rotate the distributor to cause a variation of effective cubic capacity while a geometric cubic capacity of the machine remains constant. The corresponding method for adjusting the capacity of a bent-axis axial piston hydraulic machine is also disclosed.Type: ApplicationFiled: March 20, 2019Publication date: April 15, 2021Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.Inventors: ALESSANDRO SASSI, FABIO NATALI, FEDERICA FRANZONI
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Patent number: 10955064Abstract: A solenoid valve may have a fixed member having a tube portion. The valve may also have a mobile plunger positioned in the tube portion, the mobile plunger being axially movable between a first and a second position. The valve may also have a rod coupled to the mobile plunger and having a spool for control of fluid flow, the rod being axially movable in the tube portion. The valve may also have an electromagnetic coil positioned externally to the fixed member, where the rod has a coupling end and the mobile plunger has a coupling element where the coupling end hookingly couples to the coupling element.Type: GrantFiled: August 2, 2019Date of Patent: March 23, 2021Assignee: Dana Motion Systems Italia S.r.l.Inventor: Piergiorgio Trinchieri
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Publication number: 20210010464Abstract: A swash plate bearing is disclosed. The swash plate bearing may have an arcuate cage member having at least one flange and a plurality of rolling elements rotatably coupled to the at least one flange. A coupling seat extends laterally from the at least one flange, the coupling seat may have an insertion hole. A link member may be rotatably coupled to the cage member, the link member having a central portion positioned between a first terminal portion and a second terminal portion. A first stem connects the central portion to the first terminal portion and a second stem connects the central portion to the second terminal portion. The central portion is positioned in the insertion hole.Type: ApplicationFiled: February 12, 2019Publication date: January 14, 2021Applicant: DANA MOTION SYSTEMS ITALIA S.R.L.Inventors: DAVID GAMBUZZI, SIMONE ANNOVI, PAOLO COMODI, LUCA FONTANESI
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Publication number: 20200361754Abstract: A drum and ring gear assembly for winches with geared transmission which comprises a substantially cylindrical drum adapted to be actuated rotationally about its own longitudinal axis and a ring gear accommodated substantially coaxially inside the drum, which are mutually associated so as to rotate integrally about the longitudinal axis by virtue of connecting means; the connecting means is of the positive and/or direct friction type.Type: ApplicationFiled: July 17, 2018Publication date: November 19, 2020Applicant: Dana Motion Systems Italia S.r.l.Inventors: Alessandro VIGHI, Giovanni MARIECH, Orazio AMATUCCI, Sergio ARTIOLI, Fabrizio FEDERICI