Patents by Inventor Fabrizio Fabbri
Fabrizio Fabbri 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: 8408886Abstract: High pressure plunger pump, comprising at least two in-line cylinders as seat for respective plungers, where each cylinder is connected via respective conduits and relative valves to an intake manifold and to a delivery manifold, the cylinders are provided within a single block together with the conduits and the manifold; the intake manifold is positioned in front of the line of cylinders and is in direct communication with the cylinders via a conduit connected to a dead compartment provided as an extension of the respective cylinder and in which the intake valve is located; the intake valve is retained in position by the actual valve seat sealing gaskets or by an elastic plate.Type: GrantFiled: February 13, 2004Date of Patent: April 2, 2013Assignee: Annovi Reverberi S.p.A.Inventor: Fabrizio Fabbri
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Patent number: 7611337Abstract: Pump, comprising a casing that is generally cup-shaped intended to be fixed to a driving motor (3), and containing a drive shaft (6) suitable for being coupled with said motor, and having a tilted surface for the actuation of one or more pistons (7) that move parallel to the axis of said drive shaft, where said casing consists of a monolithic body (2) that comprises means (4) for its attachment to said motor, a system for supporting and holding said drive shaft, and the guide and sliding seats of the quoted pistons.Type: GrantFiled: June 16, 2004Date of Patent: November 3, 2009Assignee: Annovi Reverberi S.p.A.Inventors: Stefano Reverberi, Alberto Rocchi, Fabrizio Fabbri
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Patent number: 7281903Abstract: Device for varying the delivery pressure of a jet washer comprising a positive-displacement pump operated by a single-phase electric motor powered by alternating current and having a delivery nozzle of predetermined cross-section, and electronic means for controlling and regulating the motor feed voltage to vary its speed of rotation.Type: GrantFiled: June 9, 2003Date of Patent: October 16, 2007Assignee: Annovi Reverberi S.p.AInventors: Stefano Reverberi, Fabrizio Fabbri, Alessandro Casalgrandi
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Publication number: 20050135953Abstract: Pump, comprising a casing that is generally cup-shaped intended to be fixed to a driving motor (3), and containing a drive shaft (6) suitable for being coupled with said motor, and having a tilted surface for the actuation of one or more pistons (7) that move parallel to the axis of said drive shaft, where said casing consists of a monolithic body (2) that comprises means (4) for its attachment to said motor, a system for supporting and holding said drive shaft, and the guide and sliding seats of the quoted pistons.Type: ApplicationFiled: June 16, 2004Publication date: June 23, 2005Applicant: ANNOVI REVERBERI S.P.A.Inventors: Stefano Reverberi, Alberto Rocchi, Fabrizio Fabbri
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Publication number: 20040161353Abstract: High pressure plunger pump, comprising at least two in-line cylinders, each of which is connected via respective conduits and relative valves to an intake manifold and to a delivery manifold, said cylinders being provided within a single block together with said conduits and said manifolds, the intake manifold being positioned in front of the line of cylinders and being in direct communication with the cylinders via a conduit connected to a dead compartment provided as an extension of the respective cylinder and in which the intake valve is located, retained in position by deformable means.Type: ApplicationFiled: February 13, 2004Publication date: August 19, 2004Applicant: ANNOVI REVERBERI S.PA.Inventor: Fabrizio Fabbri
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Publication number: 20040016821Abstract: Device for varying the delivery pressure of a jet washer comprising a positive-displacement pump operated by a single-phase electric motor powered by alternating current and having a delivery nozzle of predetermined cross-section, and electronic means for controlling and regulating the motor feed voltage to vary its speed of rotation.Type: ApplicationFiled: June 9, 2003Publication date: January 29, 2004Applicant: ANNOVI REVERBERI S.P.A.Inventors: Stefano Reverberi, Fabrizio Fabbri, Alessandro Casalgrandi
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Patent number: 6431786Abstract: An intermediate sleeve (30) to be rigidly connected to the end of the motor shaft (11) is provided, having an inner surface (32) of frusto-conical shape adapted to fit the frusto-conical surface (12) of the motor shaft (11), and a cylindrical outer surface (31), and having at least one rib (33), projecting radially from the cylindrical outer surface (31) and positioned to the side thereof; the end of the pump shaft (21) possesses an axial cavity (22) having a cylindrical surface (23) adapted to engage as an exact fit the outer surface (31) of the sleeve (30), and has at least one projecting axial element (25), arranged to lie axially alongside said rib (33) of the intermediate sleeve (30), and to interfere therewith during rotation.Type: GrantFiled: February 14, 2001Date of Patent: August 13, 2002Assignee: Annovi Reverberi S.p.A.Inventors: Fabrizio Fabbri, Maurizio Magri
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Publication number: 20010014252Abstract: An intermediate sleeve (30) to be rigidly connected to the end of the motor shaft (11) is provided, having an inner surface (32) of frusto-conical shape adapted to fit the frusto-conical surface (12) of the motor shaft (11), and a cylindrical outer surface (31), and having at least one rib (33), projecting radially from the cylindrical outer surface (31) and positioned to the side thereof; the end of the pump shaft (21) possesses an axial cavity (22) having a cylindrical surface (23) adapted to engage as an exact fit the outer surface (31) of the sleeve (30), and has at least one projecting axial element (25), arranged to lie axially alongside said rib (33) of the intermediate sleeve (30), and to interfere therewith during rotation.Type: ApplicationFiled: February 14, 2001Publication date: August 16, 2001Applicant: ANNOVI REVERBERI S.P.A.Inventors: Fabrizio Fabbri, Maurizio Magri
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Patent number: 6155494Abstract: A rotary nozzle device containing an outer casing (5) having an internal chamber (10) with a liquid exit (11) and a lateral surface of revolution upstream of the exit (11), and a rotary nozzle (20) positioned within the internal chamber (10) and traversed by an axial conduit (21) for liquid passage, and having its upper end, into which the axial conduit opens, positioned against and closing the exit (11), its final portion (24) being inclined to the nozzle axis.Type: GrantFiled: November 13, 1998Date of Patent: December 5, 2000Assignee: Annovi E Reverberi S.R.L.Inventors: Fabrizio Fabbri, Filippo Cavallini
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Patent number: 6142061Abstract: A pumping unit, consisting of two side-by-side identical pumps (1) linked together, each comprising a star arrangement of pistons (9) which at one end are linked to a shaft (7) with a crank (77), and at the other end comprise respective pumping diaphragms (11) housed in corresponding operating chambers (13), each chamber (13) being provided with an intake valve (130) and a delivery valve (131), comprises a common intake or delivery manifold (3) located between the facing sides of said two pumps, and having a single branch for connection to the supply of fluid to be pumped, or to the device using the pumped fluid, and respective branches for connection to said operating chambers for said diaphragms.Type: GrantFiled: April 20, 1999Date of Patent: November 7, 2000Assignee: Annovi Reverberi S.P.A.Inventors: Ivan Bandieri, Fabrizio Fabbri
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Patent number: 6112641Abstract: High pressure pump, particularly for water, containing a sealed chamber containing, partially in an oil bath, an inclined disc keyed onto the shank of a socket bush arranged to receive a drive shaft, the bush being received in a hole in the base of the chamber by way of a roller cage and a lip gasket, the inclined disc engaging the ends of pumping pistons to operate them with reciprocating motion, within the chamber base there being provided at least one conduit which connects a region in proximity with the lateral wall of the chamber to the bush-receiving hole within the space between the roller cage and the lip gasket.Type: GrantFiled: June 17, 1998Date of Patent: September 5, 2000Assignee: Annovi Reverberi, S.p.A.Inventors: Maurizio Magri, Fabrizio Fabbri
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Patent number: 4696199Abstract: The angle drive transmission unit comprises a box-like housing defining first and second chambers in communication with each other and accommodating respectively an input shaft and an output shaft perpendicular to each other and carrying respectively first and second bevel gears in mutual mesh engagement. A peculiar feature of the invention is that the bearing associated with the inward end of the input shaft is carried in a seat defined by a closure cover of the box-like housing and detachably affixed to the box-like housing through elastically deformable means.Type: GrantFiled: December 23, 1985Date of Patent: September 29, 1987Assignee: COMER S.p.A.Inventor: Fabrizio Fabbri