Patents by Inventor Fabrizio Tagliaferri

Fabrizio Tagliaferri 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).

  • Publication number: 20220120047
    Abstract: An automated road sweeper is provided including transport apparatus suitable to allow the sweeper to travel on a road surface including debris, a plurality of cleaning members arranged at fixed points located in different portions of the sweeper and suitable for cleaning within predetermined cleaning areas, and a selector operatively connected to the cleaning members, suitable for scanning the road surface and locating the debris so as to select and exclusively operate the cleaning members, the cleaning area of which covers the debris during the movement of the sweeper.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 21, 2022
    Inventor: Fabrizio TAGLIAFERRI
  • Patent number: 8099827
    Abstract: The invention relates to a device for suction of waste and contaminating substances from the ground of the type used in machines for cleaning roads and similar, comprising a suction pipe (2) and a recirculation pipe (3), the device comprising: an inlet aperture (2a) of the suction pipe (2a) and an outlet aperture (3a) of the recirculation pipe (3); the outlet aperture (3a) being a slot surrounding the inlet aperture (2a) near the ground; the device further comprising a system for adjustment (12) of the distance from the ground consisting of an articulated quadrilateral (13), a fluid dynamic cylinder (14) and at least one castor (15) in contact with the ground.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: January 24, 2012
    Assignee: Dulevo International S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 7882587
    Abstract: There is disclosed a vehicle comprising: a chassis (1a) extending in a longitudinal direction (1b) and with lateral sides (1c) parallel to the longitudinal direction (1b); a storage apparatus (5) for a fuel gas; an engine (2) utilizing fuel gas; wheels (2a) at least partly driven by the engine (2); driving means (14); a container (3) for refuse and pollutants; and conveying members (4) suitable to convey refuse and pollutants towards the container (3); the container (3) having side panels (3a) provided with recesses (15) expanding inward and extending above the lateral sides (1c); and the storage apparatus (5) comprising a plurality of tanks disposed in the recesses (15) and supported by the chassis (1a). The recesses (15) are also provided with connecting walls suitable to facilitate the flow of refuse inside said container (3).
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: February 8, 2011
    Assignee: Dulevo International, S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 7703173
    Abstract: There is disclosed a self-propelled apparatus for cleaning roads and urban areas, having a longitudinal axis (1a) and comprising: propulsion and control members (2) including wheels and steering means (3) defining an axis of steering (3b) perpendicular to the longitudinal axis (1a) and passing through the centre of turning (3a) of the wheels; an accumulation system (8) on the ground of the refuse comprising brushes (11) defining a reference line (10a) transverse to the longitudinal axis (1a); and a collection system (12) to suck up the refuse comprising a collection inlet (13) positioned at ground level; the steering means (3), the accumulation system (8) and the collection system (12) being predisposed suitably to dispose said axis of steering (3a) in a position intersecting a segment (15) parallel to the longitudinal axis (1a) and extending between the collection inlet (13) and the reference line (10a).
    Type: Grant
    Filed: July 3, 2007
    Date of Patent: April 27, 2010
    Assignee: Dulevo International, S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 7690068
    Abstract: The invention relates a protective structure for brushes of sweeping machines (30) having a frame (31) and at least one cup-shaped brush (20) supported protruding from the frame (31), said structure (1) comprising a flexible membrane (2), positioned near the cup-shaped brush (20) and suitable to prevent the diffusion of dust in the environment, and a supporting system (3) for the flexible membrane (2), the supporting system (3) being movably connected to the sweeping machine and comprising a movable portion (6) which shapes the flexible membrane (2) and elastically deforms near the frame (31) counter to elastic means (9).
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: April 6, 2010
    Assignee: Dulevo International, S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 7607195
    Abstract: A cleaning unit is disclosed, comprising: a containment chamber (2) defining an accumulation base (10), a suction apparatus (3) including a suction inlet (6) positioned close to the ground, and a filtering apparatus (12), the suction apparatus (3) comprising primary suction means (4) and secondary suction means (5) positioned in parallel to one another above the accumulation base (10), the primary suction means (4) controlling said suction inlet (6) and the secondary suction means (5) being suitable to expel filtered air, and the containment chamber (2) including separating element (9) which separates the turbulent zone (5a), the air inside of which being highly turbulent, and a recirculation zone (4a), the air inside of which having a low turbulence, the recirculation zone (4a) being connected to the primary suction means (4) and the turbulent zone (5a) being connected to the secondary suction means (5).
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: October 27, 2009
    Assignee: Dulevo International S. p. A.
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20080250586
    Abstract: A disclosed road sweeping machine (1) including a filter device (6) and comprising: movement means (2), suitable to allow movement of the road sweeping machine (1), collection means (3), suitable to allow collection of refuse and air including pollutants from the outside environment, a container (4), suitable to contain the refuse and the pollutants, means (5) for conveying the air from the container (4) to the outside environment and wherein the filter device (6) is suitable to filter the air conveyed from the conveying means (5) and comprises a filter layer (7) having a filter membrane (7a) provided with a first membrane (7b) made of polytetrafluoroethylene.
    Type: Application
    Filed: April 2, 2008
    Publication date: October 16, 2008
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20080098562
    Abstract: There is disclosed a vehicle comprising: a chassis (1a) extending in a longitudinal direction (1b) and with lateral sides (1c) parallel to the longitudinal direction (1b); a storage apparatus (5) for a fuel gas; an engine (2) utilizing fuel gas; wheels (2a) at least partly driven by the engine (2); driving means (14); a container (3) for refuse and pollutants; and conveying members (4) suitable to convey refuse and pollutants towards the container (3); the container (3) having side panels (3a) provided with recesses (15) expanding inward and extending above the lateral sides (1c); and the storage apparatus (5) comprising a plurality of tanks disposed in the recesses (15) and supported by the chassis (1a). The recesses (15) are also provided with connecting walls suitable to facilitate the flow of refuse inside said container (3).
    Type: Application
    Filed: October 25, 2007
    Publication date: May 1, 2008
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20080005864
    Abstract: There is disclosed a self-propelled apparatus for cleaning roads and urban areas, having a longitudinal axis (1a) and comprising: propulsion and control members (2) including wheels and steering means (3) defining an axis of steering (3b) perpendicular to the longitudinal axis (1a) and passing through the centre of turning (3a) of the wheels; an accumulation system (8) on the ground of the refuse comprising brushes (11) defining a reference line (10a) transverse to the longitudinal axis (1a); and a collection system (12) to suck up the refuse comprising a collection inlet (13) positioned at ground level; the steering means (3), the accumulation system (8) and the collection system (12) being predisposed suitably to dispose said axis of steering (3a) in a position intersecting a segment (15) parallel to the longitudinal axis (1a) and extending between the collection inlet (13) and the reference line (10a).
    Type: Application
    Filed: July 3, 2007
    Publication date: January 10, 2008
    Inventor: Fabrizio Tagliaferri
  • Patent number: 7293327
    Abstract: The invention relates a device for suction of waste and similar, in a machine for cleaning roads and similar comprising a suction pipe (2), an inlet aperture (3) of the suction pipe (2), and a sweeper device (4) of the pipe (2) positioned near the inlet aperture (3) and suitable to free the suction pipe (2) of any impediments.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 13, 2007
    Assignee: Dulevo International, S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20070079456
    Abstract: The invention relates a device for suction of waste and contaminating substances from the ground of the type used in machines for cleaning roads and similar comprising a suction pipe (2) and a recirculation pipe (3), the device comprising: an inlet aperture (2a) of the suction pipe (2a) and an outlet aperture (3a) of the recirculation pipe (3); the outlet aperture (3a) being a slot surrounding the inlet aperture (2a) near the ground; the device further comprising a system for adjustment (12) of the distance from the ground consisting of an articulated quadrilateral (13), a fluid dynamic cylinder (14) and at least one castor (15) in contact with the ground.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 12, 2007
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20070079457
    Abstract: The invention relates a protective structure for brushes of sweeping machines (30) having a frame (31) and at least one cup-shaped brush (20) supported protruding from the frame (31), said structure (1) comprising a flexible membrane (2), positioned near the cup-shaped brush (20) and suitable to prevent the diffusion of dust in the environment, and a supporting system (3) for the flexible membrane (2), the supporting system (3) being movably connected to the sweeping machine and comprising a movable portion (6) which shapes the flexible membrane (2) and elastically deforms near the frame (31) counter to elastic means (9).
    Type: Application
    Filed: October 5, 2006
    Publication date: April 12, 2007
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20070079475
    Abstract: The invention relates a device for suction of waste and similar, in a machine for cleaning roads and similar comprising a suction pipe (2), an inlet aperture (3) of the suction pipe (2), and a sweeper device (4) of the pipe (2) positioned near the inlet aperture (3) and suitable to free the suction pipe (2) of any impediments.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 12, 2007
    Inventor: Fabrizio Tagliaferri
  • Publication number: 20070079471
    Abstract: A cleaning unit is provided comprising: a containment chamber (2) defining an accumulation base (10), a suction apparatus (3) including a suction inlet (6) positioned close to the ground, and a filtering apparatus (12), the suction apparatus (3) comprising primary suction means (4) and secondary suction means (5) positioned in parallel to one another above the accumulation base (10), the primary suction means (4) controlling said suction inlet (6) and the secondary suction means (5) being suitable to expel filtered air, and the containment chamber (2) including separating element (9) which separates the turbulent zone (5a), the air inside of which being highly turbulent, and a recirculation zone (4a), the air inside of which having a low turbulence, the recirculation zone (4a) being connected to the primary suction means (4) and the turbulent zone (5a) being connected to the secondary suction means (5).
    Type: Application
    Filed: October 5, 2006
    Publication date: April 12, 2007
    Inventor: Fabrizio Tagliaferri
  • Patent number: 6142290
    Abstract: The invention is directed to a conveyor operated by idler members driven in rotation by a motor (16) which includes a pair of spaced apart flexible elements connected to the idler member and having an endless extension. Refuse transporting blades (8) are in engagement with the pair of flexible elements. The flexible elements are belts (6) having a toothed face (6a), and the idler member are bell-shaped bodies (7) each having a shaped support (17) parallel to a respective rotation axis (11a), an annular border (18) extending radially from the shaped support (17), and circumferentially spaced pins (19) for meshing with the toothed face (6a) of the belts (6). The pins (19) are fixed to the annular border (18) and tangentially overlie the shaped support (17) which supports a portion of the pins (19) in a resting condition.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: November 7, 2000
    Assignee: Dulevo International S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 5943733
    Abstract: A sucking and filtering vehicle for dust and trash collecting is provided which comprises wheels (3), driving and steering means (4), dust and trash collecting and transporting means (5) comprising a tank (6), and suction device (7) adapted to form an air stream under suction passing through the tank (6), at least one filter (10) placed along the air stream under suction, and a chamber (13) external to the tank (6) and in communication therewith and housing at least one prevailing portion of the filter (10), the chamber (13) having walls (13a) at least partly spaced apart from said filter (10) in such a manner as to define hollow spaces or gaps (17) around the filter (10), the suction device (7) opening into said gaps (17).
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: August 31, 1999
    Assignee: Dulevo International S.p.A.
    Inventor: Fabrizio Tagliaferri
  • Patent number: 5715567
    Abstract: A vehicle for dust and trash collecting comprises: wheels, a framework supported by said wheels, a storage tank (8) for dust and trash, at least one rotating brush (10), means (6) for setting said wheels in motion, and control means (7) comprising a fluid-operated work circuit (26), at least one peripheral motor (33) fed from the work circuit (26) and engaging the rotating brush (10), at least one fluid-operated cylinder (39) fed from the work circuit (26) and adapted to shift the rotating brush (10) towards a surface (11) to be swept, and elastically deformable members (42) active against the action of said work circuit (26) in the fluid-operated cylinder (39) and adapted to lift up the rotating brush (10) in the absence of pressure in the fluid-operated cylinder (39) itself, the work circuit (26) having a single control element (29) for actuation of the peripheral motor (33) and the fluid-operated cylinder (39).
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: February 10, 1998
    Assignee: Duvelo International S.P.A.
    Inventor: Fabrizio Tagliaferri