Patents by Inventor Marco La Sana
Marco La Sana 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: 11913366Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which is designed to inject fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around a spray tip of the fuel injector, from which fuel flows out; and a spark plug, which is mounted through a side wall of the tubular body. An axial distance, namely measured along a longitudinal axis of the tubular body, between the spray tip of the fuel injector and a longitudinal axis of the spark plug ranges from 33% to 100% of an inner diameter of the tubular body.Type: GrantFiled: December 22, 2021Date of Patent: February 27, 2024Assignee: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano
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Patent number: 11795852Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, which contains a combustion chamber and is delimited by a first base wall and by a second base wall; a fuel injector, which is mounted through the first base wall; at least one inlet opening, which can be connected to a fan so as to receive an air flow; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle arranged around an injection point of the fuel injector; a spark plug, which is mounted through a side wall of the tubular body; and a flame holder body, which is at least partially arranged inside the feeding channel in the area of the nozzle, is coaxial to the feeding channel and to the fuel injector and is in front of the injection point of the fuel injector.Type: GrantFiled: September 14, 2022Date of Patent: October 24, 2023Assignee: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano, Alessandro Mantovanelli
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Patent number: 11674427Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which injects fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber and gets mixed with the fuel; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around an injection point of the fuel injector; and a spark plug, which is mounted through a side wall of the tubular body so as to trigger the combustion of a mixture of air and fuel. The fuel injector is configured to spray at least 80% of the fuel against an inner surface of the feeding channel.Type: GrantFiled: December 16, 2021Date of Patent: June 13, 2023Assignee: MARELLI EUROPE S.P.A.Inventors: Mauro Brignone, Marco La Sana, Emanuele Milani, Stefano Rivella
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Publication number: 20230085477Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, which contains a combustion chamber and is delimited by a first base wall and by a second base wall; a fuel injector, which is mounted through the first base wall; at least one inlet opening, which can be connected to a fan so as to receive an air flow; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle arranged around an injection point of the fuel injector; a spark plug, which is mounted through a side wall of the tubular body; and a flame holder body, which is at least partially arranged inside the feeding channel in the area of the nozzle, is coaxial to the feeding channel and to the fuel injector and is in front of the injection point of the fuel injector.Type: ApplicationFiled: September 14, 2022Publication date: March 16, 2023Applicant: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano, Alessandro Mantovanelli
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Patent number: 11549416Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which is designed to inject fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around an injection point of the fuel injector; and a spark plug, which is mounted through a side wall of the tubular body. The feeding channel is delimited, on the outside, by an outer tubular body. The fuel injector is configured to spray at least part of the fuel against the outer tubular body, which has a through opening, through which a spray tip of the fuel injector letting out the fuel directly aims at the electrodes of the spark plug.Type: GrantFiled: December 21, 2021Date of Patent: January 10, 2023Assignee: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano
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Publication number: 20220275877Abstract: A motor-driven throttle valve for an exhaust duct and having: a tubular duct, which is designed so that exhaust gases can flow through it; a throttle shutter, which is arranged inside the tubular duct and is mounted so as to rotate around a rotation axis; a first shaft, which is mounted so as to rotate around the rotation axis and supports the throttle shutter; an electric actuator, which is provided with a second shaft and is designed to rotate the shaft around the rotation axis; a support bearing, which supports the shaft in a through manner and is arranged on the outside of the tubular duct; and a spring, which applies to the shaft an elastic force, which axially pushes the shaft and, at the same time, is configured to transmit a rotary motion around the rotation axis from the second shaft of the electric actuator to the first shaft supporting the throttle shutter.Type: ApplicationFiled: March 1, 2022Publication date: September 1, 2022Applicant: MARELLI EUROPE S.P.A.Inventors: Massimo Ambrosino, Luigi Lubrano, Emanuele Milani, Marco La Sana, Riccardo Rosa
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Publication number: 20220243633Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which is designed to inject fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around a spray tip of the fuel injector, from which fuel flows out; and a spark plug, which is mounted through a side wall of the tubular body. An axial distance, namely measured along a longitudinal axis of the tubular body, between the spray tip of the fuel injector and a longitudinal axis of the spark plug ranges from 33% to 100% of an inner diameter of the tubular body.Type: ApplicationFiled: December 22, 2021Publication date: August 4, 2022Applicant: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano
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Publication number: 20220243632Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which is designed to inject fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around an injection point of the fuel injector; and a spark plug, which is mounted through a side wall of the tubular body. The feeding channel is delimited, on the outside, by an outer tubular body. The fuel injector is configured to spray at least part of the fuel against the outer tubular body, which has a through opening, through which a spray tip of the fuel injector letting out the fuel directly aims at the electrodes of the spark plug.Type: ApplicationFiled: December 21, 2021Publication date: August 4, 2022Applicant: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano
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Publication number: 20220195908Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which injects fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber and gets mixed with the fuel; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around an injection point of the fuel injector; and a spark plug, which is mounted through a side wall of the tubular body so as to trigger the combustion of a mixture of air and fuel. The fuel injector is configured to spray at least 80% of the fuel against an inner surface of the feeding channel.Type: ApplicationFiled: December 16, 2021Publication date: June 23, 2022Applicant: MARELLI EUROPE S.P.A.Inventors: Mauro Brignone, Marco La Sana, Emanuele Milani, Stefano Rivella
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Publication number: 20220090567Abstract: A heating device for an exhaust system of an internal combustion engine; the heating device has: a first tubular body wherein a combustion chamber is obtained; a fuel injector to inject fuel into the combustion chamber; an inlet opening, which is obtained through the first tubular body and can be connected to a fan to receive an air flow, which is directed into the combustion chamber; a hot air outlet opening to let hot air out of the combustion chamber; an outlet duct, which originates from the outlet opening; a spark plug which is mounted through a side wall of the first tubular body to trigger the combustion of a mixture of air and fuel; and a labyrinth, which surrounds a side wall of the tubular body, starts from the inlet opening, ends in the combustion chamber, and the air must necessarily flow out of the inlet opening until reaching the combustion chamber.Type: ApplicationFiled: September 15, 2021Publication date: March 24, 2022Applicant: MARELLI EUROPE S.p.A.Inventors: Mauro Brignone, Emanuele Milani, Stefano Rivella, Marco La Sana
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Patent number: 11062690Abstract: Described herein is an apparatus for active control of the sound of the engine of a land vehicle, which comprises a device for detecting a fundamental frequency of the sound of the engine, and comprises a generator of signals representing sound waves that have spectral characteristics that depend upon the aforesaid fundamental frequency. The apparatus comprises a modulator, which includes a module that applies a modulation to said waveforms so as to control a value of roughness or fluctuation strength of an audio signal for driving an actuator, which generates an engine noise.Type: GrantFiled: December 19, 2018Date of Patent: July 13, 2021Assignee: Magneti Marelli S.p.A.Inventors: Simona De Cesaris, Saverio Armeni, Walter Nesci, Massimo Ambrosino, Pierangelo Pagliano, Marco La Sana
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Patent number: 11035277Abstract: An exhaust gas treatment device for an exhaust system of an internal combustion engine; the treatment device is provided with: a tubular duct, which is delimited by a first tubular side wall and has a first exhaust gas inlet opening, a first exhaust gas outlet opening, and an injection opening; and a mixing body, which is arranged inside the tubular duct, is hollow on the inside so that the exhaust gases can flow through it, and has a first perforated base wall with a circular shape, which faces the first outlet opening, a second base wall with a partially circular shape, which faces the first inlet opening, and a second tubular side wall, which joins the first base wall to the second base wall and has a second inlet opening leading into the mixing body.Type: GrantFiled: April 16, 2020Date of Patent: June 15, 2021Assignee: MARELLI EUROPE S.p.A.Inventors: Daniele Ettorre, Massimiliano Gambarotto, Emanuele Milani, Mauro Brignone, Marco La Sana, Domenico Spatafora
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Publication number: 20200332694Abstract: An exhaust gas treatment device for an exhaust system of an internal combustion engine; the treatment device is provided with: a tubular duct, which is delimited by a first tubular side wall and has a first exhaust gas inlet opening, a first exhaust gas outlet opening, and an injection opening; and a mixing body, which is arranged inside the tubular duct, is hollow on the inside so that the exhaust gases can flow through it, and has a first perforated base wall with a circular shape, which faces the first outlet opening, a second base wall with a partially circular shape, which faces the first inlet opening, and a second tubular side wall, which joins the first base wall to the second base wall and has a second inlet opening leading into the mixing body. Main figure: FIG.Type: ApplicationFiled: April 16, 2020Publication date: October 22, 2020Applicant: MARELLI EUROPE S.p.A.Inventors: Daniele Ettorre, Massimiliano Gambarotto, Emanuele Milani, Mauro Brignone, Marco La Sana, Domenico Spatafora
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Publication number: 20190206384Abstract: Described herein is an apparatus for active control of the sound of the engine of a land vehicle, which comprises a device for detecting a fundamental frequency of the sound of the engine, and comprises a generator of signals representing sound waves that have spectral characteristics that depend upon the aforesaid fundamental frequency. The apparatus comprises a modulator, which includes a module that applies a modulation to said waveforms so as to control a value of roughness or fluctuation strength of an audio signal for driving an actuator, which generates an engine noise.Type: ApplicationFiled: December 19, 2018Publication date: July 4, 2019Inventors: Simona De Cesaris, Saverio Armeni, Walter Nesci, Massimo Ambrosino, Pierangelo Pagliano, Marco La Sana