Patents by Inventor Stefano Fornara
Stefano Fornara 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: 10890148Abstract: Fuel pump for an internal combustion engine, wherein the fuel pump has: an auxiliary tank designed to receive a fuel flow from a low-pressure fuel pump; a pumping device drawing the fuel from the auxiliary tank through a suction duct; a Venturi choke arranged along the suction duct; and a degasification duct, which originates in a ceiling of the auxiliary tank and leads to the middle of the Venturi choke.Type: GrantFiled: August 19, 2019Date of Patent: January 12, 2021Assignee: MARELLI EUROPE S.p.A.Inventors: Stefano Fornara, Michael Heyn
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Publication number: 20200056571Abstract: Fuel pump for an internal combustion engine, wherein the fuel pump has: an auxiliary tank designed to receive a fuel flow from a low-pressure fuel pump; a pumping device drawing the fuel from the auxiliary tank through a suction duct; a Venturi choke arranged along the suction duct; and a degasification duct, which originates in a ceiling of the auxiliary tank and leads to the middle of the Venturi choke.Type: ApplicationFiled: August 19, 2019Publication date: February 20, 2020Applicant: MAGNETI MARELLI S.p.A.Inventors: Stefano Fornara, Michael Heyn
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Patent number: 8413641Abstract: An intake manifold with integrated canister circuit for a supercharged internal combustion engine provided with: a tubular body in which a plenum is defined; a sorting chamber obtained in a wall of the tubular body; a canister solenoid valve arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapours into the sorting chamber; a first pipe, which is obtained in the wall of the tubular body, puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe; a second pipe, which is obtained in the wall of the tubular body and defines an initial portion of a second branch of the recovery pipe; a first one-way valve which allows, through the first pipe, only a flow towards the plenum; a second one-way valve which allows, through the second pipe, only a flow through the intake pipe.Type: GrantFiled: February 24, 2010Date of Patent: April 9, 2013Assignee: Magneti Marelli S.p.A.Inventors: Stefano Fornara, Andrea Davitti, Michele Pecora
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Patent number: 8096277Abstract: An intake manifold for an internal combustion engine comprising an engine head in which there are obtained a number of cylinders; the intake manifold comprises a central body, wherein there are obtained an intake chamber which receives the intake air and a number of conduits each of which connects the chamber to a corresponding cylinder of the internal combustion engine; first passage through holes obtained in the central body for fastening the intake manifold to the engine head by means of first fastening screws screwed into the engine head; a common rail which receives the pressurized fuel and is connected to a number of injectors, each of which injects the fuel into a corresponding cylinder; second blank threaded fastening holes obtained in the central body for fastening the common rail to the central body itself by means of the second fastening screws screwed into the central body and, for each second fastening hole, a metallic reinforcement bracket, which presents a first assembly through hole arranged oType: GrantFiled: September 26, 2008Date of Patent: January 17, 2012Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Stefano Fornara, Stefano Carta
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Patent number: 8051823Abstract: A combined actuator provided with: a mobile element; a driver for displacing the mobile element; and a rheological control brake, which is mechanically coupled to the mobile element to adjust the displacement of the mobile element; the rheological control brake has: two contiguous adjustment chambers; a rheological fluid contained in the two adjustment chambers; a sliding piston, which tightly separates the two adjustment chambers and is mechanically connected to the mobile element; at least one external connection pipe, which reciprocally connects the two adjustment chambers; and a driving device which is coupled to the external connection pipe so as to apply a variable electromagnetic field to the rheological fluid contained in the external connection pipe for varying the viscosity of the rheological fluid between a minimum value and a maximum value.Type: GrantFiled: November 12, 2008Date of Patent: November 8, 2011Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Andrea Spaggiari, Eugenio Dragoni, Nazario Bellato, Michele Pecora, Federico Lancioni, Stefano Fornara, Andrea Baldassari
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Patent number: 7905218Abstract: An intake manifold with integrated canister circuit for a supercharged internal combustion engine. The intake manifold includes a tubular body in which a plenum is defined. A sorting chamber is in a wall of the tubular body. A canister solenoid valve is arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapors into the sorting chamber itself. A first pipe in the wall of the tubular body puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe. A one-way valve is arranged in the sorting chamber at the first pipe. A second pipe in the wall of the tubular body puts the sorting chamber into communication with the intake pipe upstream of a compressor, and defines an initial portion of a second branch of the recovery pipe.Type: GrantFiled: October 27, 2008Date of Patent: March 15, 2011Assignee: Magnetti Marelli Powertrain S.p.A.Inventors: Stefano Fornara, Michele Pecora
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Patent number: 7895988Abstract: A lock coupling between two mechanical components and presenting: at least one pair of coupling elements, each of which presents an āLā-shape and protrudes from a first mechanical component; and at least one pair of tracks, each of which is made through a second mechanical component, presents the shape of an arc of circumference, ends with a flared inlet opening, and is engaged in use by a coupling element; each track presents a dimension so as to prevent the axial removal of the coupling element along its entire length except for an inlet opening at which the coupling element can be axially removed.Type: GrantFiled: October 4, 2007Date of Patent: March 1, 2011Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Federico Lancioni, Michele Pecora, Stefano Fornara
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Patent number: 7856957Abstract: An intake manifold with a swirl system for an internal combustion engine provided with a number of cylinders; the intake manifold has, for each cylinder, an intake pipe, which is adapted to connect the intake manifold to the cylinder and has, in turn, two reciprocally parallel channels; the swirl system is provided with: for each intake pipe, a choking valve, which is arranged inside a channel of the intake pipe and is adapted to vary the air introduction section through the channel; and a single actuator device, which simultaneously and synchronically displaces all the choking valves and is provided with a motor and a mechanical transmission system which transmits the motion from the motor to all the choking valves.Type: GrantFiled: July 24, 2009Date of Patent: December 28, 2010Assignee: Magneti Marelli S.p.A.Inventors: Stefano Fornara, Giampaolo Schiavina
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Patent number: 7789372Abstract: A butterfly valve of a swirl system for an internal combustion engine; the butterfly valve displays: a shaft which is rotationally mounted within an intake channel to rotate about a rotation axis; and a butterfly valve plate which is rigidly connected to the shaft and is provided with a seat, which is coaxially arranged with respect to the shaft and accommodates the shaft within itself.Type: GrantFiled: November 16, 2007Date of Patent: September 7, 2010Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Stefano Fornara, Giampaolo Schiavina
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Publication number: 20100218749Abstract: An intake manifold with integrated canister circuit for a supercharged internal combustion engine; the intake manifold is provided with: a tubular body in which a plenum is defined; a sorting chamber, which is obtained in a wall of the tubular body; a canister solenoid valve, which is arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapours into the sorting chamber itself; a first pipe, which is obtained in the wall of the tubular body, puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe; a second pipe, which is obtained in the wall of the tubular body and defines an initial portion of a second branch of the recovery pipe; a first one-way valve which is arranged in the sorting chamber in correspondence of the first pipe and allows, through the first pipe, only a flow towards the plenum; a second one-way valve which is arranged in the sorting chamber in correspondence of the second pipe and allows, through the second piType: ApplicationFiled: February 24, 2010Publication date: September 2, 2010Applicant: Magneti Marelli S.p.A.Inventors: Stefano Fornara, Andrea Davitti, Michele Pecora
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Publication number: 20100018496Abstract: An intake manifold with a swirl system for an internal combustion engine provided with a number of cylinders; the intake manifold has, for each cylinder, an intake pipe, which is adapted to connect the intake manifold to the cylinder and has, in turn, two reciprocally parallel channels; the swirl system is provided with: for each intake pipe, a choking valve, which is arranged inside a channel of the intake pipe and is adapted to vary the air introduction section through the channel; and a single actuator device, which simultaneously and synchronically displaces all the choking valves and is provided with a motor and a mechanical transmission system which transmits the motion from the motor to all the choking valves.Type: ApplicationFiled: July 24, 2009Publication date: January 28, 2010Inventors: Stefano Fornara, Giampaolo Schiavina
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Publication number: 20100018491Abstract: A suction manifold for an internal combustion engine provided with a head in which a number of cylinders are obtained; the suction manifold displays: a body of the suction manifold in which a suction chamber, which receives fresh air from the external environment, and a number of suction pipes, each of which connects the suction chamber to a corresponding cylinder of the internal combustion engine, are defined and which ends with an outlet mouth; and a choking system for varying the geometry of the suction manifold and comprising, for each suction pipe, a corresponding choking valve provided with a choking element, which is arranged inside the suction pipe and is fitted to a shaft which is rotated about a rotation axis by an actuator device; the shaft of the choking system is provided with a toothed wheel arranged at one end of the shaft itself; and the actuator device displays a movable rod, which is linearly movable and provided with a rack which meshes with the toothed wheel of the shaft of the choking sysType: ApplicationFiled: July 23, 2009Publication date: January 28, 2010Inventors: Stefano Fornara, Stefano Carta, Michele Pecora
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Patent number: 7552710Abstract: A variable geometry intake manifold for an internal combustion engine; the intake manifold presents: at least one intake pipe which connects the intake manifold to at least one cylinder of the internal combustion engine; and a choking system to vary the geometry of the intake manifold and comprising at least one choke valve provided with a choke body, which is arranged within the intake pipe and is turnably mounted about an axis of rotation; the choke valve integrates therein a pair of mechanical stoppers, which respectively determine the location of an active position and of a home position of the choke body.Type: GrantFiled: October 5, 2007Date of Patent: June 30, 2009Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Federico Lancioni, Michele Pecora, Stefano Fornara
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Publication number: 20090133657Abstract: An intake manifold for an internal combustion engine comprising an engine head in which there are obtained a number of cylinders; the intake manifold comprises a central body, wherein there are obtained an intake chamber which receives the intake air and a number of conduits each of which connects the chamber to a corresponding cylinder of the internal combustion engine; first passage through holes obtained in the central body for fastening the intake manifold to the engine head by means of first fastening screws screwed into the engine head; a common rail which receives the pressurized fuel and is connected to a number of injectors, each of which injects the fuel into a corresponding cylinder; second blank threaded fastening holes obtained in the central body for fastening the common rail to the central body itself by means of the second fastening screws screwed into the central body and, for each second fastening hole, a metallic reinforcement bracket, which presents a first assembly through hole arranged oType: ApplicationFiled: September 26, 2008Publication date: May 28, 2009Applicant: Magneti Marelli Powertrain S.p.A.Inventors: Stefano FORNARA, Stefano CARTA
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Publication number: 20090127484Abstract: A combined actuator provided with: a mobile element; a driver for displacing the mobile element; and a rheological control brake, which is mechanically coupled to the mobile element to adjust the displacement of the mobile element; the rheological control brake has: two contiguous adjustment chambers; a rheological fluid contained in the two adjustment chambers; a sliding piston, which tightly separates the two adjustment chambers and is mechanically connected to the mobile element; at least one external connection pipe, which reciprocally connects the two adjustment chambers; and a driving device which is coupled to the external connection pipe so as to apply a variable electromagnetic field to the rheological fluid contained in the external connection pipe for varying the viscosity of the rheological fluid between a minimum value and a maximum value.Type: ApplicationFiled: November 12, 2008Publication date: May 21, 2009Inventors: Andrea Spaggiari, Eugenio Dragoni, Nazario Bellato, Michele Pecora, Federico Lancioni, Stefano Fornara, Andrea Baldassari
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Publication number: 20090114180Abstract: An intake manifold with integrated canister circuit for a supercharged internal combustion engine; the intake manifold is provided with: a tubular body in which a plenum is defined; a sorting chamber, which is obtained in a wall of the tubular body; a canister solenoid valve, which is arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapours into the sorting chamber itself; a first pipe, which is obtained in the wall of the tubular body, puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe; a one-way valve, which is arranged in the sorting chamber at the first pipe; and a second pipe, which is obtained in the wall of the tubular body, puts the sorting chamber into communication with the intake pipe upstream of a compressor, and defines an initial portion of a second branch of the recovery pipe.Type: ApplicationFiled: October 27, 2008Publication date: May 7, 2009Applicant: MAGNETI MARELLI POWERTRAIN S.p.A.Inventors: Stefano Fornara, Michele Pecora
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Publication number: 20080149876Abstract: A butterfly valve of a swirl system for an internal combustion engine; the butterfly valve displays: a shaft which is rotationally mounted within an intake channel to rotate about a rotation axis; and a butterfly valve plate which is rigidly connected to the shaft and is provided with a seat, which is coaxially arranged with respect to the shaft and accommodates the shaft within itself.Type: ApplicationFiled: November 16, 2007Publication date: June 26, 2008Inventors: Stefano Fornara, Giampaolo Schiavina
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Publication number: 20080150278Abstract: A lock coupling between two mechanical components and presenting: at least one pair of coupling elements, each of which presents an āLā-shape and protrudes from a first mechanical component; and at least one pair of tracks, each of which is made through a second mechanical component, presents the shape of an arc of circumference, ends with a flared inlet opening, and is engaged in use by a coupling element; each track presents a dimension so as to prevent the axial removal of the coupling element along its entire length except for an inlet opening at which the coupling element can be axially removed.Type: ApplicationFiled: October 4, 2007Publication date: June 26, 2008Inventors: Federico Lancioni, Michele Pecora, Stefano Fornara
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Publication number: 20080127929Abstract: A variable geometry intake manifold for an internal combustion engine; the intake manifold presents: at least one intake pipe which connects the intake manifold to at least one cylinder of the internal combustion engine; and a choking system to vary the geometry of the intake manifold and comprising at least one choke valve provided with a choke body, which is arranged within the intake pipe and is turnably mounted about an axis of rotation; the choke valve integrates therein a pair of mechanical stoppers, which respectively determine the location of an active position and of a home position of the choke body.Type: ApplicationFiled: October 5, 2007Publication date: June 5, 2008Inventors: Federico Lancioni, Michele Pecora, Stefano Fornara
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Patent number: 7249585Abstract: An intake manifold with a swirl system for an internal combustion engine having a number of cylinders; the intake manifold has, for each cylinder, an intake conduit connecting the intake manifold to the cylinder and in turn having two parallel channels; the swirl system has, for each intake conduit, a throttle valve housed inside a channel of the intake conduit to vary the air flow section of the channel, and which has a throttle mounted to rotate about an axis of rotation.Type: GrantFiled: October 2, 2006Date of Patent: July 31, 2007Assignee: Magneti Marelli Powertrain S.p.A.Inventors: Stefano Fornara, Giampaolo Schiavina