Patents by Inventor Marcello Colli
Marcello Colli 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: 10968840Abstract: A method to manufacture a throttle valve for an internal combustion engine comprising a valve body having a seat and a tube for the passage of conditioning fluid; an actuating device, which controls the rotation of a throttle plate; and a substantially uniform layer of a structural and heat-conducting resin interposed between the seat and the tube and applied on the entire available surface of the seat; the method comprising the steps of manufacturing the valve body provided with the seat by causing a first metal material to undergo a die casting process; applying a trace of the structural and thermosetting resin on the bottom of the seat; and inserting the tube into the seat so as to obtain a substantially uniform layer of the structural and thermosetting resin, which is interposed between the seat and the tube.Type: GrantFiled: July 1, 2019Date of Patent: April 6, 2021Assignee: MARELLI EUROPE S.p.A.Inventors: Stefano Musolesi, Marcello Colli
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Publication number: 20190323437Abstract: A method to manufacture a throttle valve for an internal combustion engine comprising a valve body having a seat and a tube for the passage of conditioning fluid; an actuating device, which controls the rotation of a throttle plate; and a substantially uniform layer of a structural and heat-conducting resin interposed between the seat and the tube and applied on the entire available surface of the seat; the method comprising the steps of manufacturing the valve body provided with the seat by causing a first metal material to undergo a die casting process; applying a trace of the structural and thermosetting resin on the bottom of the seat; and inserting the tube into the seat so as to obtain a substantially uniform layer of the structural and thermosetting resin, which is interposed between the seat and the tube.Type: ApplicationFiled: July 1, 2019Publication date: October 24, 2019Applicant: MAGNETI MARELLI S.p.A.Inventors: Stefano Musolesi, Marcello Colli
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Patent number: 10385786Abstract: A throttle valve for an internal combustion engine provided with a valve body, a tubular feeding duct defined in the valve body, a throttle plate, and an actuating device which controls rotation of the throttle plate. The actuating device includes an electric motor and an actuating device conditioning circuit defined in the valve body. The conditioning circuit includes a tube made of a first material able to conduct heat, and the valve body is entirely made of a second metal material and is provided with a seat for housing the tube, in which is provided a layer of a structural and heat-conducting resin, interposed between the seat and the tube.Type: GrantFiled: June 26, 2015Date of Patent: August 20, 2019Assignee: Magneti Marelli S.p.A.Inventors: Stefano Musolesi, Marcello Colli
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Patent number: 9938893Abstract: An electromechanical actuator to operate a component in an internal combustion engine comprising an actuator body housing, on the inside, an actuator device, which controls the movement of the component so as to move it between a maximum opening position and a maximum closing position, and vice versa. The actuator device includes an electric motor and a gear drive that transmits the motion from the electric motor to the component. The electromechanical actuator is made of a first metal material and comprises a conditioning circuit comprising a pipe for the passage of a conditioning fluid, which is made of a second thermally conductive material. A method of manufacturing the electromagnetic actuator is also disclosed.Type: GrantFiled: December 22, 2015Date of Patent: April 10, 2018Assignee: MAGNETI MARELLI S.p.A.Inventors: Stefano Musolesi, Marcello Colli, Gabriele Giuliani, Matteo Avanzi
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Publication number: 20160186652Abstract: An electromechanical actuator to operate a component in an internal combustion engine comprising an actuator body housing, on the inside, an actuator device, which controls the movement of the component so as to move it between a maximum opening position and a maximum closing position, and vice versa. The actuator device includes an electric motor and a gear drive that transmits the motion from the electric motor to the component. The electromechanical actuator is made of a first metal material and comprises a conditioning circuit comprising a pipe for the passage of a conditioning fluid, which is made of a second thermally conductive material. A method of manufacturing the electromagnetic actuator is also disclosed.Type: ApplicationFiled: December 22, 2015Publication date: June 30, 2016Inventors: Stefano Musolesi, Marcello Colli, Gabriele Giuliani, Matteo Avanzi
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Publication number: 20160003167Abstract: A throttle valve for an internal combustion engine provided with a valve body, a tubular feeding duct defined in the valve body, a throttle plate, and an actuating device which controls rotation of the throttle plate. The actuating device includes an electric motor and an actuating device conditioning circuit defined in the valve body. The conditioning circuit includes a tube made of a first material able to conduct heat, and the valve body is entirely made of a second metal material and is provided with a seat for housing the tube, in which is provided a layer of a structural and heat-conducting resin, interposed between the seat and the tube.Type: ApplicationFiled: June 26, 2015Publication date: January 7, 2016Inventors: Stefano Musolesi, Marcello Colli
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Publication number: 20150267622Abstract: A throttle valve for an internal combustion engine. The throttle valve includes a valve body, a tubular feeding duct defined in the valve body, and an actuating device which controls rotation of a throttle plate around a rotation axis via an electric motor. An actuating device conditioning circuit is defined in the valve body. The valve body is entirely made of a first metal material. The circuit has a conditioning pipe made of a second metal material. The valve body is injection-overmoulded around the pipe.Type: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Inventors: Stefano Musolesi, Marcello Colli, Francesco Toschi
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Patent number: 7815167Abstract: A valve for adjusting the air flow rate in an internal combustion engine; the valve presents: a valve body; a cylindrical tubular pipe obtained within the valve body and in which an air introduction channel is defined; a valve seat obtained along the air introduction channel of the tubular pipe; an actuation system; a shutter, mobile under the bias of the actuation system; and a connection flange, which is integral with a first end of the tubular pipe and presents a plurality of through holes which are crossed in use by corresponding fastening screws for rigidly fixing the valve body; the connection flange is provided with a lower plate and an upper plate, which are reciprocally parallel, facing and distanced and are arranged radially with respect to the cylindrical tubular pipe, and a number of ribs, which reciprocally connect the plates, are arranged perpendicularly to the plates, and are arranged axially with respect to the cylindrical tubular pipe.Type: GrantFiled: March 5, 2008Date of Patent: October 19, 2010Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Marcello Colli, Nazario Bellato, Stefano Musolesi
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Patent number: 7759930Abstract: An actuator having a fixed part, a movable part movable with respect to the fixed part in a travelling direction, and a non-contact position sensor connected to the movable part to read the position of the movable part. The position sensor has a reading device connected to the fixed part and having a ferromagnetic core; and a magnetic cursor, which is integrated in the movable part, is defined by a magnetized portion of the movable part, and is so magnetized as to locally saturate the ferromagnetic core at the magnetic cursor.Type: GrantFiled: April 5, 2007Date of Patent: July 20, 2010Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Marcello Colli, Eugenio Dragoni, Nazario Bellato, Andrea Baldassari
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Publication number: 20080296804Abstract: A manufacturing method of a shaft provided with a magnet for an air flow rate adjustment valve in an internal combustion engine; the method presents the steps of: arranging a first mold which negatively reproduces the shape of the shaft and determines the formation of a seat for the magnet; injecting a molten plastic material inside the mold in order to form the shaft provided with the seat for the magnet by injection molding; arranging a second mold which surrounds the seat for the magnet; and injecting a molten magnetic polymer in the second mold for forming the magnet by injection molding.Type: ApplicationFiled: June 4, 2008Publication date: December 4, 2008Inventors: Marcello Colli, Giorgio Signorelli, Roberto Piciotti, Nazario Bellato
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Publication number: 20080217566Abstract: A valve for adjusting the air flow rate in an internal combustion engine; the valve presents: a valve body; a cylindrical tubular pipe obtained within the valve body and in which an air introduction channel is defined; a valve seat obtained along the air introduction channel of the tubular pipe; an actuation system; a shutter, mobile under the bias of the actuation system; and a connection flange, which is integral with a first end of the tubular pipe and presents a plurality of through holes which are crossed in use by corresponding fastening screws for rigidly fixing the valve body; the connection flange is provided with a lower plate and an upper plate, which are reciprocally parallel, facing and distanced and are arranged radially with respect to the cylindrical tubular pipe, and a number of ribs, which reciprocally connect the plates, are arranged perpendicularly to the plates, and are arranged axially with respect to the cylindrical tubular pipe.Type: ApplicationFiled: March 5, 2008Publication date: September 11, 2008Inventors: Marcello Colli, Nazario Bellato, Stefano Musolesi
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Patent number: 7395811Abstract: A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces the cross section of the intake conduit; and the actuating device has a filiform actuating member made of a shape-memory material that changes shape when subjected to physical external stress, and having a first portion embedded in the choke body, and a second portion located outside the choke body and secured mechanically to a fixed part.Type: GrantFiled: November 17, 2006Date of Patent: July 8, 2008Assignee: Magneti Marelli Powertrain S.P.A.Inventors: Nazario Bellato, Sandro Sirani, Marcello Colli, Eugenio Dragoni
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Publication number: 20070245890Abstract: An actuator having a fixed part, a movable part movable with respect to the fixed part in a travelling direction, and a non-contact position sensor connected to the movable part to read the position of the movable part. The position sensor has a reading device connected to the fixed part and having a ferromagnetic core; and a magnetic cursor, which is integrated in the movable part, is defined by a magnetized portion of the movable part, and is so magnetized as to locally saturate the ferromagnetic core at the magnetic cursor.Type: ApplicationFiled: April 5, 2007Publication date: October 25, 2007Inventors: Marcello Colli, Eugenio Dragoni, Nazario Bellato, Andrea Baldassari
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Publication number: 20070163544Abstract: A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces the cross section of the intake conduit; and the actuating device has a filiform actuating member made of a shape-memory material that changes shape when subjected to physical external stress, and having a first portion embedded in the choke body, and a second portion located outside the choke body and secured mechanically to a fixed part.Type: ApplicationFiled: November 17, 2006Publication date: July 19, 2007Applicant: Magneti Marelli Powertrain S.p.A.Inventors: Nazario Bellato, Sandro Sirani, Marcello Colli, Eugenio Dragoni