Patents by Inventor Walter Divisi
Walter Divisi 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: 20170363252Abstract: A minimal lubrication device including a lubricating fluid storing tank, conduit for supplying the lubricant pressurized to at least one modular element. The at least one modular element including a lubricating fluid conduit intercepted by flow regulator and compressed air conduit, such conduits fluidically connected to air and lubricant mixing element. The flow regulator including a shutter that can be at least partially housed in calibrated hole and movable between upper and lower stroke position ends. The calibrated hole in fluid communication, on one side, with pressurized lubricant delivery and, on the other side, with the mixing element. The shutter having at least one conical profile portion insertable in the calibrated hole. The conical profile portion has a surface groove facing a surface defining the calibrated hole at least when the shutter is in an intermediate position between the lower and upper stroke position ends.Type: ApplicationFiled: June 9, 2017Publication date: December 21, 2017Inventor: Walter DIVISI
-
Patent number: 9423039Abstract: A progressive modular distributor device for the division between a plurality of outlets of a lubricant fluid, said distributor including a first and a second base between which are sandwiched at least three distributor modules. The bases being interconnected by tie rods which pass through openings in the modules. A first surface of at least one of the modules presents at least one projecting part integral with the module. A second surface of a second of the modules, resting on the first, presents a corresponding housing in which the projecting part is inserted. The projecting part and the housing shaped to prevent reciprocal movement of the first and second module at least along an axis perpendicular to an axis of the tie rods when the projecting part is inserted in the housing.Type: GrantFiled: October 31, 2013Date of Patent: August 23, 2016Assignee: DROPSA S.P.A.Inventor: Walter Divisi
-
Patent number: 9303815Abstract: A lubrication device including a tank of fluid lubricant to be dispensed to a user position, a component for raising the pressure of the lubricant, a device for regulating the flow rate of the lubricant under pressure, and a distributor for enabling the lubricant flow to be conveyed to the user position with regulated flow rate, the lubricant flow rate regulator device being provided with a lubricant flowmeter which reads the flow rate regulated by the regulator device.Type: GrantFiled: February 25, 2013Date of Patent: April 5, 2016Assignee: DROPSA S.P.A.Inventor: Walter Divisi
-
Patent number: 9157576Abstract: A lubrication device including a tank of fluid lubricant to be dispensed to a user position, a component for raising the pressure of the lubricant, a device for regulating the flow rate of a pressurized lubricant, and a distributor for enabling the lubricant flow to be conveyed to the user position with regulated flow rate. The regulating device including a body provided at least with one feed channel and one outflow channel put into communication by an aperture within the interior of which a valving element is movable provided with a perimetral lateral surface in which at least one window is provided in communication with a free end of the valving element.Type: GrantFiled: February 25, 2013Date of Patent: October 13, 2015Assignee: DROPSA S.P.A.Inventor: Walter Divisi
-
Patent number: 9127808Abstract: A minimal lubrication device including a storage reservoir for a lubricant fluid and a pump for the lubricant, the pump being of high pressure type with its delivery port connected to at least one modular element adapted to mix a compressed air flow with the lubricant. The modular element presenting a mixer element fed with a compressed air flow into which an outlet of a flow regulator fed by the lubricant originating from the pump opens.Type: GrantFiled: November 23, 2010Date of Patent: September 8, 2015Assignee: DROPSA S.P.A.Inventor: Walter Divisi
-
Patent number: 8881871Abstract: A minimal lubrication device including a lubricant fluid storage reservoir and a pump for the lubricant, the pump being a high pressure pump with a delivery side connected to at least one modular element arranged to mix a compressed air flow with the lubricant, the modular element presenting a mixer element fed with a compressed air flow into which an outlet opens of a needle flow regulator fed by the lubricant originating from the pump. The module includes a compensator device which maintains the oil quantity dispensed by the flow regulator constant even if the pressure on the user side changes.Type: GrantFiled: July 30, 2011Date of Patent: November 11, 2014Assignee: Dropsa S.p.A.Inventor: Walter Divisi
-
Patent number: 8844681Abstract: A device for oil or fluid grease lubrication, including a reservoir able to house a determined quantity of lubricant, a pump arranged to draw the lubricant from the reservoir and to feed it under pressure to a delivery port to which a lubricant distribution pipe can be connected, a control unit arranged to regulate the pump operation, and a sensor for sensing the lubricant level within the reservoir. The level sensor is an infrared sensor.Type: GrantFiled: November 23, 2010Date of Patent: September 30, 2014Assignee: Dropsa S.p.A.Inventor: Walter Divisi
-
Patent number: 8783417Abstract: A minimal lubrication device including a lubricant fluid storage reservoir, unit for raising the pressure of the lubricant fluid fed to at least one modular element, the modular element includes a lubricant fluid conduit intercepted by a flow regulator, and a compressed air conduit. The lubricant conduit and the compressed air conduit are associated with an air/lubricant mixer element. The flow regulator includes a valving element at least partly housed within a sized hole and movable therein via a control stem. The stem has at least one portion of conical profile having a length equal to at least 3 times the diameter of the sized hole.Type: GrantFiled: July 30, 2011Date of Patent: July 22, 2014Assignee: Dropsa S.p.A.Inventor: Walter Divisi
-
Publication number: 20140124073Abstract: A progressive modular distributor device for the division between a plurality of outlets of a lubricant fluid, said distributor including a first and a second base between which are sandwiched at least three distributor modules. The bases being interconnected by tie rods which pass through openings in the modules. A first surface of at least one of the modules presents at least one projecting part integral with the module. A second surface of a second of the modules, resting on the first, presents a corresponding housing in which the projecting part is inserted. The projecting part and the housing shaped to prevent reciprocal movement of the first and second module at least along an axis perpendicular to an axis of the tie rods when the projecting part is inserted in the housing.Type: ApplicationFiled: October 31, 2013Publication date: May 8, 2014Applicant: DROPSA S.P.A.Inventor: Walter DIVISI
-
Patent number: 8257065Abstract: The high pressure lubricant pump for steelworks has a body provided with at least one cylinder, the cylinder having a lubricant intake port and a lubricant delivery port. Within the cylinder a piston is movable to pressurize the lubricant. The cylinder and the piston define a pre-assembled pumping unit removably fixed into a seat of the body.Type: GrantFiled: October 11, 2007Date of Patent: September 4, 2012Assignee: DROPSA S.p.A.Inventor: Walter Divisi
-
Publication number: 20120031703Abstract: A minimal lubrication device including a lubricant fluid storage reservoir, unit for raising the pressure of the lubricant fluid fed to at least one modular element, the modular element includes a lubricant fluid conduit intercepted by a flow regulator, and a compressed air conduit. The lubricant conduit and the compressed air conduit are associated with an air/lubricant mixer element. The flow regulator includes a valving element at least partly housed within a sized hole and movable therein via a control stem. The stem has at least one portion of conical profile having a length equal to at least 3 times the diameter of the sized hole.Type: ApplicationFiled: July 30, 2011Publication date: February 9, 2012Applicant: DROPSA S.p.A.Inventor: Walter DIVISI
-
Publication number: 20120031705Abstract: A minimal lubrication device including a lubricant fluid storage reservoir and a pump for the lubricant, the pump being a high pressure pump with a delivery side connected to at least one modular element arranged to mix a compressed air flow with the lubricant, the modular element presenting a mixer element fed with a compressed air flow into which an outlet opens of a needle flow regulator fed by the lubricant originating from the pump. The module includes a compensator device which maintains the oil quantity dispensed by the flow regulator constant even if the pressure on the user side changes.Type: ApplicationFiled: July 30, 2011Publication date: February 9, 2012Applicant: DROPSA S.p.A.Inventor: Walter DIVISI
-
Publication number: 20110120803Abstract: A minimal lubrication device including a storage reservoir for a lubricant fluid, a pressurizer to pressurize the lubricant and a feeder to feed the lubricant in pressure to at least a modular element. The modular element including a lubricating conduit intercepted by a flow regulator and a compressed air conduit. The lubricating conduit and the compressed air conduit being coupled with an air-lubricant mixing element. On the compressed air conduit upstream to the mixing element a vortex tube is provided, to cool down the temperature of the air flow at which the lubricant is mixed.Type: ApplicationFiled: November 23, 2010Publication date: May 26, 2011Applicant: DROPSA S.p.A.Inventor: Walter DIVISI
-
Publication number: 20110120802Abstract: A minimal lubrication device including a storage reservoir for a lubricant fluid and a pump for the lubricant, the pump being of high pressure type with its delivery port connected to at least one modular element adapted to mix a compressed air flow with the lubricant. The modular element presenting a mixer element fed with a compressed air flow into which an outlet of a flow regulator fed by the lubricant originating from the pump opens.Type: ApplicationFiled: November 23, 2010Publication date: May 26, 2011Applicant: DROPSA S.p.A.Inventor: Walter DIVISI
-
Publication number: 20110120804Abstract: A device for oil or fluid grease lubrication, including a reservoir able to house a determined quantity of lubricant, a pump arranged to draw the lubricant from the reservoir and to feed it under pressure to a delivery port to which a lubricant distribution pipe can be connected, a control unit arranged to regulate the pump operation, and a sensor for sensing the lubricant level within the reservoir. The level sensor is an infrared sensor.Type: ApplicationFiled: November 23, 2010Publication date: May 26, 2011Applicant: DROPSA S.p.A.Inventor: Walter DIVISI
-
Patent number: 7849969Abstract: The machine tool lubrication device comprises connection means grippable automatically by a manipulator of the machine tool, lubricant dispensing means, and dispensing control means operable by the machine tool.Type: GrantFiled: December 6, 2006Date of Patent: December 14, 2010Assignee: Dropsa S.p.A.Inventor: Walter Divisi
-
Patent number: 7819236Abstract: The conveyor for bottles or containers in general comprises a conveyor belt for supporting the bottles, and a lubricant dispensing unit associated with the conveyor belt. The lubricant dispensing unit comprises a cylindrical element rotatably connected to the conveyor belt and associated with a lubricant feed member, such that the feed member transfers lubricant to the cylindrical element and this, by rotating in contact with the conveyor belt, releases the lubricant onto the conveyor belt. The lubrication process for a conveyor belt of a conveyor for bottles or containers in general consists of feeding lubricant onto a cylindrical element and rotating the cylindrical element in contact with the conveyor belt, such that the lubricant passes onto the conveyor belt.Type: GrantFiled: November 7, 2006Date of Patent: October 26, 2010Assignees: Sunbird Investments Limited, Dropsa S.p.A.Inventor: Walter Divisi
-
Patent number: 7688065Abstract: The device for counting the strokes of a piston sliding within a cylinder comprises a support housing a magnet which generates a magnetic field. The support also houses a sensor arranged to sense the magnetic field, such that the passage of the piston into a position corresponding with the magnet causes a disturbance in the magnetic field, which is sensed by the sensor, to indicate a stroke of the piston.Type: GrantFiled: May 15, 2008Date of Patent: March 30, 2010Assignee: Sunbird Investments LimitedInventor: Walter Divisi
-
Publication number: 20080284415Abstract: The device for counting the strokes of a piston sliding within a cylinder comprises a support housing a magnet which generates a magnetic field. The support also houses a sensor arranged to sense the magnetic field, such that the passage of the piston into a position corresponding with the magnet causes a disturbance in the magnetic field, which is sensed by the sensor, to indicate a stroke of the piston.Type: ApplicationFiled: May 15, 2008Publication date: November 20, 2008Applicant: SUNBIRD INVESTMENTS LIMITEDInventor: Walter Divisi
-
Publication number: 20080095650Abstract: The high pressure lubricant pump for steelworks comprises a body provided with at least one cylinder provided with a lubricant intake port and a lubricant delivery port. Within the cylinder a piston is movable to pressurize the lubricant. The cylinder and the piston define a pre-assembled pumping unit removably fixed into a seat of the body.Type: ApplicationFiled: October 11, 2007Publication date: April 24, 2008Inventor: Walter DIVISI