Patents by Inventor Stefano Zecchi
Stefano Zecchi 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).
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Patent number: 11945612Abstract: A device for wrapping product wrappers including a winder, the winder including a gripper mechanically connected to a tubular shaft rotatable about and translatable along an approach axis, the gripper being rotatable and translatable integrally with the tubular shaft; an actuating rod active on the gripper and movable along an actuating axis, the actuating rod being movable along the actuating axis with respect to the tubular shaft and rotationally constrained to the tubular shaft, wherein the gripper is rotatable and movable following a translation of the actuating rod along the actuating axis; a first electric motor active on the actuating rod to translate the actuating rod along the actuating axis; and a second electric motor active on the tubular shaft to translate the tubular shaft along the approach axis. The device further includes a control unit configured to drive the first electric motor and the second electric motor.Type: GrantFiled: January 27, 2023Date of Patent: April 2, 2024Assignee: Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A.Inventors: Marialivia Melchionda, Stefano Piazzi, Marco Zecchi, Andrea Guidetti, Luca Matrà
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Patent number: 10976008Abstract: A system includes a first pressure-adjusting device positioned in a first line and a second pressure-adjusting device positioned in a second line. The first pressure-adjusting device is actuated solely via a first pneumatic signal output from a first pilot valve to control a downstream pressure in the first line. The second pressure-adjusting device is actuated via the first pneumatic signal in a first mode of operation, and is actuated via a second pneumatic signal output from a second pilot valve in a second mode of operation to control a downstream pressure in the second line.Type: GrantFiled: October 9, 2018Date of Patent: April 13, 2021Assignee: O.M.T. OFFICINA MECCANICA TARTARINI S.r.I.Inventors: Omero Borghesani, Stefano Zecchi
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Patent number: 10774947Abstract: Described is a system for remotely detecting and signalling the open and/or closed state of the shutter (O) of an element (3) for controlling the flow of gas along a gas distribution line (2), comprising an electric switch (17; 18) configured to generate an electrical signal representing at least one of the open and closed states.Type: GrantFiled: January 26, 2017Date of Patent: September 15, 2020Assignee: O.M.T. OFFICINA MECCANICA TARTINI S.r.I.Inventors: Stefano Zecchi, Omero Borghesani, Andrea Monti
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Publication number: 20190113179Abstract: A system includes a first pressure-adjusting device positioned in a first line and a second pressure-adjusting device positioned in a second line. The first pressure-adjusting device is actuated solely via a first pneumatic signal output from a first pilot valve to control a downstream pressure in the first line. The second pressure-adjusting device is actuated via the first pneumatic signal in a first mode of operation, and is actuated via a second pneumatic signal output from a second pilot valve in a second mode of operation to control a downstream pressure in the second line.Type: ApplicationFiled: October 9, 2018Publication date: April 18, 2019Inventors: Omero Borghesani, Stefano Zecchi
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Patent number: 10208849Abstract: In a mechanical gear transmission, a leaked lubricant liquid, used to lubricate an external ring gear meshing with at least one internal gear wheel, is collected and reintroduced in the system by means of a manifold having a first concave portion, which has a concavity facing towards the external ring gear, so as to house a mass of liquid moved outwards as a result of a centrifugal effect, and at least a second concave portion, which is designed to receive the leaked liquid and has a concavity facing towards the first concave portion; channelling walls being provided to channel the leaked liquid towards one or the other concave portion.Type: GrantFiled: August 3, 2015Date of Patent: February 19, 2019Assignee: GE AVIO S.R.L.Inventors: Lorenzo Cipolla, Giulio Zagato, Stefano Zecchi
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Publication number: 20190032814Abstract: Described is a system for remotely detecting and signalling the open and/or closed state of the shutter (O) of an element (3) for controlling the flow of gas along a gas distribution line (2), comprising an electric switch (17; 18) configured to generate an electrical signal representing at least one of the open and closed states.Type: ApplicationFiled: January 26, 2017Publication date: January 31, 2019Applicant: O.M.T. OFFICINA MECCANICA TARTARINI S.r.l.Inventors: Stefano Zecchi, Omero Borghesani, Andrea Monti
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Patent number: 10100981Abstract: Apparatus for equipartition of the flow between a first line (1) for feeding gas and a second line (2) for feeding gas, in a pressure adjusting system, comprising a first control unit (8) of a first adjusting device (4) for adjusting the pressure of the first line (1) to a first predetermined pressure (P1), a second control unlit (19) of a second adjusting device (6) for adjusting the pressure of the second line (2) to a second predetermined pressure (P2), a pneumatic conduit (19) for connecting between the first control unit (8) and the second adjusting device (6) for adjusting the pressure of the second line (2) to the first predetermined pressure (P1), and a pneumatic switch (20) for interrupting the pneumatic connection for adjusting the pressure of the second line (2) to the second predetermined pressure (P2).Type: GrantFiled: March 17, 2015Date of Patent: October 16, 2018Assignee: O.M.T. OFFICINA MECCANICA TARTARINI S.r.I.Inventors: Omero Borghesani, Stefano Zecchi
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Patent number: 9790810Abstract: In a gas turbine for aeronautic engines, a stator body delimited by an outer lateral surface is cooled by an air cooling device having a plurality of circumferential tubes for distributing air on the outer lateral surface; each circumferential tube having a plurality of outlets for guiding respective cooling airflows towards the outer lateral surface and into a respective circumferential channel obtained between two groups of circumferential channels adjacent to each other and lapped by the flow of air leaving the circumferential channel.Type: GrantFiled: June 14, 2013Date of Patent: October 17, 2017Assignee: GE AVIO S.R.L.Inventors: Daniele Coutandin, Stefano Zecchi
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Publication number: 20170254407Abstract: In a mechanical gear transmission, a leaked lubricant liquid, used to lubricate an external ring gear meshing with at least one internal gear wheel, is collected and reintroduced in the system by means of a manifold having a first concave portion, which has a concavity facing towards the external ring gear, so as to to house a mass of liquid moved outwards as a result of a centrifugal effect, and at least a second concave portion, which is designed to receive the leaked liquid and has a concavity facing towards the first concave portion; channelling walls being provided to channel the leaked liquid towards one or the other concave portion.Type: ApplicationFiled: August 3, 2015Publication date: September 7, 2017Inventors: Lorenzo Cipolla, Giulio Zagato, Stefano Zecchi
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Patent number: 9662603Abstract: A filtering net, in particular for a rotary separator, has a plurality of cells, which are substantially equal to one another and are defined by the replication of a base cell along two transversal directions of replication; the base cell comprises at least one intermediate filament and a first and a second end filament, arranged on opposite sides of the intermediate filament; the intermediate filament and the end filaments extend along respective longitudinal axes which are parallel; cross-sectioning the base cell with any plane orthogonal to the longitudinal axes of the filaments and joining, on said plane, the trace of each longitudinal axis with the trace of the adjacent longitudinal axis by a respective straight line, the two straight lines are incident at the trace of the longitudinal axis of the intermediate filament and form an incidence angle of between approximately 90° and 160°.Type: GrantFiled: December 30, 2013Date of Patent: May 30, 2017Assignee: GE AVIO S.R.L.Inventors: Stefano Zecchi, Federico Dellavalle, Daniele Coutandin
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Patent number: 9623361Abstract: A filtering body, in particular for a rotary separator, extends about an axis and has a two opposite axial faces, a radially outer surface and a radially inner surface; the filtering body comprises a filtering net constituted by filaments defining a plurality of pores between them; a frame, which is defined by non-porous solid elements, supports the filtering net and made in one piece with a filtering net; the frame has at least one element arranged in an intermediate radial position between the radially outer and inner surfaces.Type: GrantFiled: December 30, 2013Date of Patent: April 18, 2017Assignee: GE AVIO S.R.L.Inventors: Stefano Zecchi, Federico Dellavalle, Daniele Coutandin
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Publication number: 20170023184Abstract: Apparatus for equipartition of the flow between a first line (1) for feeding gas and a second line (2) for feeding gas, in a pressure adjusting system, comprising a first control unit (8) of a first adjusting device (4) for adjusting the pressure of the first line (1) to a first predetermined pressure (P1), a second control unlit (19) of a second adjusting device (6) for adjusting the pressure of the second line (2) to a second predetermined pressure (P2), a pneumatic conduit (19) for connecting between the first control unit (8) and the second adjusting device (6) for adjusting the pressure of the second line (2) to the first predetermined pressure (P1), and a pneumatic switch (20) for interrupting the pneumatic connection for adjusting the pressure of the second line (2) to the second predetermined pressure (P2).Type: ApplicationFiled: March 17, 2015Publication date: January 26, 2017Applicant: O.M.T. OFFICINA MECCANICA TARTARINI S.r.I.Inventors: Omero Borghesani, Stefano Zecchi
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Patent number: 9181805Abstract: A bladed rotor of a gas turbine for aeronautic engines is cooled by making an air mass flow through a plurality of passages, each one defined by a turbine disk on one side and by a root of a corresponding blade coupled to this turbine disk on the other, the incoming air of each passage being subdivided into two or more airflows and each flow being directed towards the turbine disk in a predefined direction.Type: GrantFiled: December 20, 2011Date of Patent: November 10, 2015Assignee: AVIO S.p.A.Inventors: Daniele Coutandin, Stefano Zecchi
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Patent number: 9132372Abstract: A filtering body, in particular for a rotary separator, which extends about an axis, has two opposite axial faces and is provided with a filtering net constituted by filaments defining a plurality of pores between them and with a frame, which is defined by non-porous solid elements, supports the filtering net and is made in one piece with the filtering net; at least some of the filaments of the filtering net extend from one of the axial faces along respective longitudinal axes, which are parallel.Type: GrantFiled: December 30, 2013Date of Patent: September 15, 2015Assignee: GE AVIO S.R.L.Inventors: Stefano Zecchi, Federico Dellavalle, Daniele Coutandin
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Publication number: 20150152745Abstract: In a gas turbine for aeronautic engines, a stator body delimited by an outer lateral surface is cooled by an air cooling device having a plurality of circumferential tubes for distributing air on the outer lateral surface; each circumferential tube having a plurality of outlets for guiding respective cooling airflows towards the outer lateral surface and into a respective circumferential channel obtained between two groups of circumferential channels adjacent to each other and lapped by the flow of air leaving the circumferential channel.Type: ApplicationFiled: June 14, 2013Publication date: June 4, 2015Inventors: Daniele Countandin, Stefano Zecchi
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Publication number: 20140190136Abstract: A filtering body, in particular for a rotary separator, which extends about an axis, has two opposite axial faces and is provided with a filtering net constituted by filaments defining a plurality of pores between them and with a frame, which is defined by non-porous solid elements, supports the filtering net and is made in one piece with the filtering net; at least some of the filaments of the filtering net extend from one of the axial faces along respective longitudinal axes, which are parallel.Type: ApplicationFiled: December 30, 2013Publication date: July 10, 2014Applicant: GE AVIO S.r.I.Inventors: Stefano ZECCHI, Federico DELLAVALLE, Daniele COUTANDIN
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Publication number: 20140182252Abstract: A filtering net, in particular for a rotary separator, has a plurality of cells, which are substantially equal to one another and are defined by the replication of a base cell along two transversal directions of replication; the base cell comprises at least one intermediate filament and a first and a second end filament, arranged on opposite sides of the intermediate filament; the intermediate filament and the end filaments extend along respective longitudinal axes which are parallel; cross-sectioning the base cell with any plane orthogonal to the longitudinal axes of the filaments and joining, on said plane, the trace of each longitudinal axis with the trace of the adjacent longitudinal axis by a respective straight line, the two straight lines are incident at the trace of the longitudinal axis of the intermediate filament and form an incidence angle of between approximately 90° and 160°.Type: ApplicationFiled: December 30, 2013Publication date: July 3, 2014Applicant: GE AVIO S.r.l.Inventors: Stefano ZECCHI, Federico DELLAVALLE, Daniele COUTANDIN
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Publication number: 20140182253Abstract: A filtering body, in particular for a rotary separator, extends about an axis and has a two opposite axial faces, a radially outer surface and a radially inner surface; the filtering body comprises a filtering net constituted by filaments defining a plurality of pores between them; a frame, which is defined by non-porous solid elements, supports the filtering net and made in one piece with a filtering net; the frame has at least one element arranged in an intermediate radial position between the radially outer and inner surfaces.Type: ApplicationFiled: December 30, 2013Publication date: July 3, 2014Applicant: GE AVIO S.r.I.Inventors: Stefano ZECCHI, Federico DELLAVALLE, Daniele COUTANDIN
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Patent number: 8671983Abstract: A gas pressure regulator comprises a central body having a first, gas inlet pipe and a second, gas outlet pipe; a shutter housed at least partially in the central body and mobile to adjust the opening of a section for the passage of the gas between a position (B) in which the section is fully open and a position (A) in which the section is closed; a silencing device located in the central body at the passage section, for reducing the noise created by the passage of the gas; and means for fastening the silencing device to the central body. The silencing device comprises a cylindrical perforated plate to allow the passage of the gas.Type: GrantFiled: January 21, 2011Date of Patent: March 18, 2014Assignee: O.M.T. Officina Meccanica Tartarini S.r.l.Inventors: Stefano Zecchi, Omero Borghesani
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Publication number: 20120321461Abstract: A bladed rotor of a gas turbine for aeronautic engines is cooled by making an air mass flow through a plurality of passages, each one defined by a turbine disk on one side and by a root of a corresponding blade coupled to this turbine disk on the other, the incoming air of each passage being subdivided into two or more airflows and each flow being directed towards the turbine disk in a predefined direction.Type: ApplicationFiled: December 20, 2011Publication date: December 20, 2012Applicant: AVIO S.p.A.Inventors: Daniele Coutandin, Stefano Zecchi