Patents by Inventor Alberto Babbini
Alberto Babbini 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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Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters
Patent number: 11293556Abstract: An automatic ring valve 10 comprising a valve seat 12 provided with a plurality of gas flow passages 14 arranged according to at least one annular row, at least a shutter 18 comprising at least one ring-shaped portion for selectively closing and opening the gas flow passages 14, wherein said ring-shaped portion of the shutter 18 comprises a fiber-reinforced matrix 40, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter 18, wherein said ring-shaped portion of the shutter 18 comprises a structural core 18A made by said fiber-reinforced matrix 40, and wherein at least a portion of said structural core 18A is covered by at least one primary layer 18B, designed to improve fracture and/or impact and/or wear resistance of said ring-shaped portion.Type: GrantFiled: October 23, 2015Date of Patent: April 5, 2022Assignee: NUOVO PIGNONE SRLInventors: Pierluigi Tozzi, Iacopo Giovannetti, Alberto Babbini, Francesco Buffa -
Publication number: 20210277997Abstract: Described herein is a packing box for mounting on a machinery shaft. In accordance with one aspect, the packing box housing defines a central opening for insertion of a movable machinery shaft with a hollow passageway surrounding the central opening to form a path for the flow of a fluid coolant. The passageway is provided with a fluid inlet port and a fluid outlet port opening onto the outer surface of the packing box housing, and it is formed by a single conduit or by a plurality of conduits obtained through additive manufacturing process and connected in series or in parallel to wound around the central opening.Type: ApplicationFiled: May 13, 2021Publication date: September 9, 2021Inventors: Gianni ORSI, Alberto BABBINI, Aigbedion AKWARA, Federico SORGONA', Stephen J. WAYMEYER
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Patent number: 11009017Abstract: It is disclosed a valve (1) for a reciprocating compressor, comprising a valve body (2) which comprises a seat (3) and a guard (4), the seat (3) and the guard (4) developing substantially parallel to a valve plane (A). The valve (1) also comprises a hydraulic apparatus (7) with pistons (9) and a hydraulic circuit (8) provided with a first portion (8a) which is made by additive manufacturing technology according to digital 3D design data.Type: GrantFiled: June 21, 2019Date of Patent: May 18, 2021Assignee: Nuovo Pignone Tecnologie SRLInventors: Alberto Babbini, Douglas Michael McClure, Stephen Joseph Waymeyer, Federico Puccinelli
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Patent number: 10724512Abstract: It is disclosed a reciprocating compressor having a cylinder body that defines a cylinder; the cylinder may have a cylinder lateral wall and a cylinder axis A and inside it a piston is movable; at least one valve is provided to selectively open and close a valve opening formed in the cylinder lateral wall; cylinder heads at least partially protruding towards the piston inside the cylinder have a recessed surface at least partially facing the valve openings; an intersection between at least a plane containing the cylinder axis A and the recessed surface is a first curve having at least a convex part facing the valve opening.Type: GrantFiled: October 4, 2016Date of Patent: July 28, 2020Assignee: NUOVO PIGNONE TECNOLOGIE SRLInventors: Federico Sorgona, Gianni Orsi, Alberto Babbini, Massimo Bargiacchi, Ricardo Maleci
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Patent number: 10578091Abstract: Fluid flow adapter for a cylinder of a reciprocating compressor, the cylinder having a side wall provided with a valve seat, the fluid flow adapter comprising a filler element having an internal surface facing an internal volume of the cylinder and an external surface facing the valve, the filler element having at least a channel connecting the internal surface to the external surface, wherein the internal surface is flush with the side wall of the cylinder, the channel being configured to allow the passage of fluid between the internal volume of the cylinder and the valve.Type: GrantFiled: November 24, 2015Date of Patent: March 3, 2020Assignee: NUOVO PIGNONE SRLInventors: Riccardo Bagagli, Leonardo Tognarelli, Alberto Babbini, Massimo Bargiacchi, Guido Pratelli, Federico Puccinelli, Riccardo Maleci
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Publication number: 20190390664Abstract: It is disclosed a valve (1) for a reciprocating compressor, comprising a valve body (2) which comprises a seat (3) and a guard (4), the seat (3) and the guard (4) developing substantially parallel to a valve plane (A). The valve (1) also comprises a hydraulic apparatus (7) with pistons (9) and a hydraulic circuit (8) provided with a first portion (8a) which is made by additive manufacturing technology according to digital 3D design data.Type: ApplicationFiled: June 21, 2019Publication date: December 26, 2019Inventors: Alberto BABBINI, Douglas Michael MCCLURE, Stephen Joseph WAYMEYER, Federico PUCCINELLI
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Publication number: 20190186478Abstract: A manufacturing method for manufacturing a cylinder for a reciprocating compressor is disclosed. The method comprises the step of manufacturing a compressor barrel comprising a cylinder chamber, a first suction valve seat, fluidly coupled to the cylinder chamber through a respective first gas suction port; and a first delivery valve seat, fluidly coupled to the cylinder chamber through a respective first gas delivery port. The method further comprises the step of manufacturing a gas inlet plenum and further manufacturing a gas discharge plenum, separately from the compressor barrel.Type: ApplicationFiled: December 4, 2018Publication date: June 20, 2019Inventors: Federico Cappelli, Federico Sorgona, Gianni Orsi, Paolo Acciai, Alberto Babbini
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Patent number: 10215295Abstract: A valve for a reciprocating compressor comprises a valve body having a seat and a guard; a shutter element placed between the seat and the guard and configured to move between a closed position in which the passage of fluid is prevented and an open position in which the passage of fluid is allowed; an hydraulic apparatus for moving the shutter element between the open and closed positions, the hydraulic apparatus comprising an hydraulic circuit having at least a portion integrated in the valve body.Type: GrantFiled: May 17, 2016Date of Patent: February 26, 2019Assignee: Nuovo Pignone Tecnologie SrlInventors: Alberto Babbini, Gianni Orsi, Riccardo Maleci, Federico Puccinelli
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Patent number: 10145480Abstract: An automatic ring valve comprising a valve seat provided with a plurality of gas flow passages arranged according to at least one annular row, at least a shutter comprising at least one ring-shaped portion for selectively closing and opening the gas flow passages, wherein the ring-shaped portion of the shutter comprises a fiber-reinforced matrix, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter, wherein the ring-shaped portion of the shutter comprises continuous fibers, at least some of the fibers developing for at least 360° of the annular development of the ring-shaped portion.Type: GrantFiled: October 13, 2014Date of Patent: December 4, 2018Assignee: Nuovo Pignone S.R.L.Inventors: Francesco Buffa, Alberto Babbini, Pierluigi Tozzi
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Publication number: 20180291884Abstract: It is disclosed a reciprocating compressor having a cylinder body that defines a cylinder; the cylinder may have a cylinder lateral wall and a cylinder axis A and inside it a piston is movable; at least one valve is provided to selectively open and close a valve opening formed in the cylinder lateral wall; cylinder heads at least partially protruding towards the piston inside the cylinder have a recessed surface at least partially facing the valve openings; an intersection between at least a plane containing the cylinder axis A and the recessed surface is a first curve having at least a convex part facing the valve opening.Type: ApplicationFiled: October 4, 2016Publication date: October 11, 2018Inventors: Gianni ORSI, Federico SORGONA, Alberto BABBINI, Massimo BARGIACCHI, Ricardo MALECI
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Publication number: 20180163881Abstract: A valve for a reciprocating compressor comprises a valve body having a seat and a guard; a shutter element placed between the seat and the guard and configured to move between a closed position in which the passage of fluid is prevented and an open position in which the passage of fluid is allowed; an hydraulic apparatus for moving the shutter element between the open and closed positions, the hydraulic apparatus comprising an hydraulic circuit having at least a portion integrated in the valve body.Type: ApplicationFiled: May 17, 2016Publication date: June 14, 2018Inventors: Alberto BABBINI, Gianni ORSI, Riccardo MALECI, Federico PUCCINELLI
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Patent number: 9874286Abstract: Disclosed is a differential pressure valve comprising: a valve body, the valve body having at least one flow inlet and one flow outlet: at least one shutter, the shutter being movable between an open position and a closed position under a differential pressure across the valve; at least one flow passage from the flow inlet to the flow outlet; at least one biasing member configured to bias the shutter towards a closed position so as to block the flow passage through the flow inlet. The biasing member is a non-linear biasing member.Type: GrantFiled: July 19, 2012Date of Patent: January 23, 2018Inventors: Riccardo Bagagli, Leonardo Tognarelli, Carmelo Maggi, Alberto Babbini
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Publication number: 20170350380Abstract: Fluid flow adapter for a cylinder of a reciprocating compressor, the cylinder having a side wall provided with a valve seat, the fluid flow adapter comprising a filler element having an internal surface facing an internal volume of the cylinder and an external surface facing the valve, the filler element having at least a channel connecting the internal surface to the external surface, wherein the internal surface is flush with the side wall of the cylinder, the channel being configured to allow the passage of fluid between the internal volume of the cylinder and the valve.Type: ApplicationFiled: November 24, 2015Publication date: December 7, 2017Inventors: Riccardo Bagagli, Leonardo Tognarelli, Alberto Babbini, Massimo Bargiacchi, Guido Pratelli, Federico Puccinelli, Riccardo Maleci
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AUTOMATIC RING VALVE, SHUTTERS FOR AUTOMATIC RING VALVES, AND METHOD FOR MANUFACTURING SAID SHUTTERS
Publication number: 20170335979Abstract: An automatic ring valve 10 comprising a valve seat 12 provided with a plurality of gas flow passages 14 arranged according to at least one annular row, at least a shutter 18 comprising at least one ring-shaped portion for selectively closing and opening the gas flow passages 14, wherein said ring-shaped portion of the shutter 18 comprises a fiber-reinforced matrix 40, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter 18, wherein said ring-shaped portion of the shutter 18 comprises a structural core 18A made by said fiber-reinforced matrix 40, and wherein at least a portion of said structural core 18A is covered by at least one primary layer 18B, designed to improve fracture and/or impact and/or wear resistance of said ring-shaped portion.Type: ApplicationFiled: October 23, 2014Publication date: November 23, 2017Inventors: Pierluigi TOZZI, Iacopo GIOVANNETTI, Alberto BABBINI, Francesco BUFFA -
Patent number: 9765770Abstract: An automatic valve including a valve seat having first gas flow passages extending there through and a valve guard having second gas flow passages extending there through. The valve further comprises at least one shutter member movably arranged between the valve guard and the valve seat, at least one set of spring members biasing the at least one shutter member towards a closed position in sealing engagement with the valve seat to close the first gas flow passages, and at least one spring holder ring provided with a plurality of spring retention seats. Each spring member of the set of spring members is partially housed in a respective spring pocket formed in the valve guard and retained in a respective one of the spring retention seat.Type: GrantFiled: March 6, 2013Date of Patent: September 19, 2017Assignee: Nuovo Pignone SRLInventors: Alberto Babbini, Riccardo Bagagli, Guido Pratelli
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Publication number: 20160238146Abstract: An automatic ring valve comprising a valve seat provided with a plurality of gas flow passages arranged according to at least one annular row, at least a shutter comprising at least one ring-shaped portion for selectively closing and opening the gas flow passages, wherein the ring-shaped portion of the shutter comprises a fiber-reinforced matrix, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter, wherein the ring-shaped portion of the shutter comprises continuous fibers, at least some of the fibers developing for at least 360° of the annular development of the ring-shaped portion.Type: ApplicationFiled: October 13, 2014Publication date: August 18, 2016Inventors: Francesco BUFFA, Alberto BABBINI, Pierluigi TOZZI
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Patent number: 9297373Abstract: A differential pressure valve is disclosed, comprising: a valve body, the valve body having at least one flow inlet and one flow outlet; at least one shutter, the shutter being movable between an open position and a closed position under a differential pressure across the valve; a flow passage from the flow inlet to the flow outlet; at least one biasing member configured to bias the shutter towards a closed position so as to block the flow passage through the flow inlet. The biasing member comprises at least two springs arranged in parallel, one of the springs having at least one resonance frequency different from at least one resonance frequency of the other of the two springs.Type: GrantFiled: July 13, 2012Date of Patent: March 29, 2016Assignee: Nuovo Pignone S.P.A.Inventors: Riccardo Bagagli, Carmelo Maggi, Alberto Babbini, Leonardo Tognarelli
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Publication number: 20150044081Abstract: An automatic valve including a valve seat having first gas flow passages extending there through and a valve guard having second gas flow passages extending there through. The valve further comprises at least one shutter member movably arranged between the valve guard and the valve seat, at least one set of spring members biasing the at least one shutter member towards a closed position in sealing engagement with the valve seat to close the first gas flow passages, and at least one spring holder ring provided with a plurality of spring retention seats. Each spring member of the set of spring members is partially housed in a respective spring pocket formed in the valve guard and retained in a respective one of the spring retention seat.Type: ApplicationFiled: March 6, 2013Publication date: February 12, 2015Inventors: Alberto Babbini, Riccardo Bagagli, Guido Pratelli
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Publication number: 20140338761Abstract: An automatic valve comprising a valve seat with first gas flow passages extending there through, and a valve guard having second gas flow passages extending there through. Sealing rings are arranged between the valve guard and the valve seat. A removable seat plate is removably connected to the valve seat and is provided with apertures matching with the first gas flow passages of the valve seat. The sealing rings are resiliently biased by resilient members against the removable seat plate to close the valve. The seat plate and the rings are made of non-metallic material.Type: ApplicationFiled: December 11, 2012Publication date: November 20, 2014Applicant: NUOVO PIGNONE S.P.A.Inventors: Alberto Babbini, Riccardo Bagagli, Leonardo Tognarelli, Guido Pratelli
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Publication number: 20140014190Abstract: A differential pressure valve is disclosed, comprising: a valve body, the valve body having at least one flow inlet and one flow outlet; at least one shutter, the shutter being movable between an open position and a closed position under a differential pressure across the valve; a flow passage from the flow inlet to the flow outlet; at least one biasing member configured to bias the shutter towards a closed position so as to block the flow passage through the flow inlet. The biasing member comprises at least two springs arranged in parallel, one of the springs having at least one resonance frequency different from at least one resonance frequency of the other of the two springs.Type: ApplicationFiled: July 13, 2012Publication date: January 16, 2014Inventors: Riccardo Bagagli, Carmelo Maggi, Alberto Babbini, Leonardo Tognarelli