Patents by Inventor Francesco Lucarelli
Francesco Lucarelli 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).
-
Patent number: 11932592Abstract: A process for obtaining higher aliphatic alcohols starting from aliphatic primary alcohols by condensation reactions is disclosed. Specifically, the process comprises a step in which an aliphatic primary alcohol is contacted in a homogeneous phase with a catalyst mixture comprising a transition metal, a base and an additive; specifically, this additive can be selected from the classes of compounds of the isoquinolines N-oxide, quinolines N-oxide, pyridines N-oxide, benzoquinones, naphthoquinones, or TEMPO. In particular, the process can be carried out by contacting said aliphatic primary alcohol with a catalyst of a recycled transition metal, with a freshly added base and with a recycled additive of the aforementioned type.Type: GrantFiled: April 4, 2019Date of Patent: March 19, 2024Assignee: ALMA MATER STUDIORUM—UNIVERSITA' DI BOLOGNAInventors: Fabrizio Cavani, Valerio Zanotti, Rita Mazzoni, Carlo Lucarelli, Cristiana Cesari, Tommaso Tabanelli, Francesco Puzzo
-
Patent number: 11300087Abstract: A valve including a magnet actuator (22) which has a magnet coil (6), a magnet armature (10) that moves in a stroke-like manner, and a pole core (20), wherein the magnet armature (10) and the pole core (20) together limit a working air gap (28), and the magnet armature (10) can at least indirectly contact the pole core (20), wherein the valve also has a valve element (14) which can be moved between an open position and a closed position, and which is at least indirectly in mechanical contact with the magnet armature (10). A separate magnet armature insert (8) arranged in the magnet armature (10) and/or a separate pole core insert (24) arranged in the pole core (20) is provided in the contact area of the magnet armature (10) on the pole core (20), in order to achieve a separation of the mechanical and magnetic forces.Type: GrantFiled: October 24, 2016Date of Patent: April 12, 2022Assignee: Robert Bosch GmbHInventors: Christian Langenbach, Francesco Lucarelli
-
Patent number: 10851749Abstract: The invention relates to a high-pressure pump (1), in particular for a motor vehicle, for conveying a fluid, in particular fuel, e.g. diesel fuel, comprising a drive shaft having at least one cam, at least one piston, at least one cylinder (6) for mounting the at least one cam, wherein the at least one piston is supported on the drive shaft by the at least one cam, so that a translational motion can be carried out by the at least one cam as a result of a rotary motion of the drive shaft, at least one cover cap (8), which is attached indirectly or directly to the outside of the cylinder (6), wherein one end (18) of the at least one cover cap (8) rests on a projection (16) of the remaining high-pressure pump (1) for the interlocking attachment of the end (18) of the cover cap (8) to the projection (16).Type: GrantFiled: September 13, 2016Date of Patent: December 1, 2020Assignee: Robert Bosch GmbHInventors: Francesco Lucarelli, Dietmar Van Der Linden, Karl-Heinz Laepple
-
Patent number: 10309359Abstract: The invention relates to a high-pressure fuel pump (1), in particular of a common rail injection system of an internal combustion engine, having a pump cylinder head (3), having an intake valve (6) arranged in the pump cylinder head (3) in the direction of a pump cylinder axis, and a high-pressure fuel outlet (5) arranged laterally on the pump cylinder head (3), wherein a protective cap (10, 10a) at least partly covering the high-pressure fuel pump (1) is provided. According to the invention, a high-pressure fuel pump (1) having a protective cap (10, 10a) is provided, in which the protective cap (10, 10a) can be mounted without difficulty on an assembled high-pressure fuel pump (1).Type: GrantFiled: October 5, 2016Date of Patent: June 4, 2019Assignee: Robert Bosch GmbHInventors: Karl-Heinz Laepple, Francesco Lucarelli, Dietmar Van Der Linden
-
Publication number: 20190051439Abstract: The invention relates to a solenoid valve having an actuator body (17), in which a magnet coil (15) that interacts with a magnet core (16) is arranged and which interacts with an armature (14) that can be moved relative to the magnet core between two end positions and is acted upon by the spring force of an armature spring (13) in a movement direction pointing away from the magnet core (16). The magnet core and the armature have stop surfaces (18a, 18b) which are interrupted by a recess (29) that receives the armature spring. According to the invention, a solenoid valve is provided which is improved with respect to the function of the solenoid valve and the stress on the stop surfaces (18a, 18b) that causes wear. This is achieved in that the magnet core (16) and/or the armature (14) have/has a design (30, 31), in particular a spherical or toroidal design, which reduces the stress on the edges in the region of the stop surfaces (18a, 18b).Type: ApplicationFiled: January 3, 2017Publication date: February 14, 2019Inventors: Christian Langenbach, Andreas Dutt, Holger Rapp, Stefan Kolb, Tobias Landenberger, Francesco Lucarelli, Gernot Repphun, Markus Grieg, Steffen Holm
-
Publication number: 20190003434Abstract: The invention relates to a valve, in particular a suction valve, in a high-pressure pump of a fuel injection system, in particular a common rail injection system, comprising a magnet actuator (22) which has a magnet coil (6), a magnet armature (10) that moves in a stroke-like manner, and a pole core (20), wherein the magnet armature (10) and the pole core (20) together limit a working air gap (28), and the magnet armature (10) can at least indirectly contact the pole core (20), wherein the valve also has a valve element (14) which can be moved between an open position and a closed position, and which is at least indirectly in mechanical contact with the magnet armature (10). According to the present invention, a separate magnet armature insert (8) arranged in the magnet armature (10) and/or a separate pole core insert (24) arranged in the pole core (20) is provided in the contact area of the magnet armature (10) on the pole core (20), in order to achieve a separation of the mechanical and magnetic forces.Type: ApplicationFiled: October 24, 2016Publication date: January 3, 2019Inventors: Christian LANGENBACH, Francesco LUCARELLI
-
Publication number: 20180363609Abstract: The invention relates to a high-pressure pump (1), in particular for a motor vehicle, for conveying a fluid, in particular fuel, e.g. diesel fuel, comprising a drive shaft having at least one cam, at least one piston, at least one cylinder (6) for mounting the at least one cam, wherein the at least one piston is supported on the drive shaft by the at least one cam, so that a translational motion can be carried out by the at least one cam as a result of a rotary motion of the drive shaft, at least one cover cap (8), which is attached indirectly or directly to the outside of the cylinder (6), wherein one end (18) of the at least one cover cap (8) rests on a projection (16) of the remaining high-pressure pump (1) for the interlocking attachment of the end (18) of the cover cap (8) to the projection (16).Type: ApplicationFiled: September 13, 2016Publication date: December 20, 2018Inventors: Francesco LUCARELLI, Dietmar Van Der LINDEN, Karl-Heinz LAEPPLE
-
Publication number: 20180306151Abstract: The invention relates to a high-pressure fuel pump (1), in particular of a common rail injection system of an internal combustion engine, having a pump cylinder head (3), having an intake valve (6) arranged in the pump cylinder head (3) in the direction of a pump cylinder axis, and a high-pressure fuel outlet (5) arranged laterally on the pump cylinder head (3), wherein a protective cap (10, 10a) at least partly covering the high-pressure fuel pump (1) is provided. According to the invention, a high-pressure fuel pump (1) having a protective cap (10, 10a) is provided, in which the protective cap (10, 10a) can be mounted without difficulty on an assembled high-pressure fuel pump (1).Type: ApplicationFiled: October 5, 2016Publication date: October 25, 2018Inventors: Karl-Heinz Laepple, Francesco Lucarelli, Dietmar Van Der Linden
-
Publication number: 20150152829Abstract: The invention relates to a low-pressure circuit for a fuel injection system, in particular for a common-rail injection system, comprising a fuel tank (1) and a pre-feed pump (2), by means of which fuel from the fuel tank (1) can be suctioned and fed to a working chamber (4) of a high-pressure pump (5) via a fuel line (3), wherein the working chamber (4) is connected to a return line via shaft bearings. According to the invention at least two throttles (9, 10) are provided for connecting the working chamber (4) with the return (8), which throttles are in each case connected parallel to the shaft bearings (6, 7) and/or can be connected by means of a valve (11). The invention further relates to a fuel injection system comprising such a low-pressure circuit and to a method for operating a fuel injection system.Type: ApplicationFiled: May 31, 2013Publication date: June 4, 2015Inventors: Thomas Koenig, Francesco Lucarelli