Patent application number | Description | Published |
20090063025 | METHOD AND DEVICES EQUIPPED WITH A HIGH-PASS FILTER FOR APPRAISAL OF THE KNOCKING IN EVERY CYLINDER OF AN INTERNAL COMBUSTION ENGINE - The invention relates to the field of methods and devices for evaluating the knocking inside every cylinder of an internal combustion engine by making advantageous use of the ionisation current generated during the combustion of the fuel in each cylinder of said engine. The invention develops over various phases, each of which is repeated continually for each cycle of said combustion engine and is characterised by the fact that ionisation current values are selected during determined lengths of time, and said values are entered in a high-pass filter, the values determined by said filter then being squared and the value Vd calculated, said value being the relation between the value of the sum of the squares of said values obtained by said filter and a known normalisation coefficient, thus generating the spark at the spark plug in each cylinder on the basis of said value Vd. | 03-05-2009 |
20090125210 | METHOD AND DEVICE FOR THE DETERMINATION AND INPUT OF FUEL INTO AN INTERNAL COMBUSTION ENGINE ON THE BASIS OF AN AIR-FUEL RATIO TARGET AND IONIC CURRENT SENSOR - The invention relates to the field of method and devices for determining and putting in fuel into an internal combustion engine on the basis of an air-fuel ratio in proximity to the stoichiometric value. The present invention is based on the use of the ion current released by a device, positioned on each cylinder of said engine. This ion current is acquired by a Control Unit equipped by means, preferably electronic ones, which implement the invention, repeated continually for each engine cycle and for each cylinder, characterized in that said method develops over various phases. | 05-14-2009 |
20090301177 | METHOD AND DEVICES TO IDENTIFY THE PISTON IN THE COMPRESSION PHASE IN AN INTERNAL COMBUSTION ENGINE EQUIPPED WITH A GASOLINE INDIRECT ELECTRONIC INJECTION SYSTEM - The invention relates to the field of method and devices therefore for identifying which cylinder is in the compression phase in a gasoline indirect electronic injection internal combustion engine. | 12-10-2009 |
20090326786 | METHOD AND DEVICES FOR THE CONTROL OF THE AIR-FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE - The present invention fall into the field of methods and devices therefor for controlling the normalised air-fuel ratio of an internal combustion engine, otherwise known, in technical terms, as Lambda. The present invention is based on the use of the ionisation current released by a device positioned on each cylinder of said engine. This ionisation current is measured by a Control Unit equipped with a low-pass filter and electronic means which implement the invention. | 12-31-2009 |
20100064772 | METHOD AND DEVICES FOR THE IDENTIFICATION OF VARIOUS PHASES OF AN IONIZATION CURRENT SIGNAL DURING THE COMBUSTION IN AN INTERNAL COMBUSTION ENGINE - The present invention falls into the field of methods and devices for identifying the various phases of the ionization current during combustion in a cylinder of an internal combustion engine. | 03-18-2010 |
20100070157 | METHOD AND DEVICES TO REDUCE THE DIFFERENCE BETWEEN NORMALIZED AIR-FUEL RATIO OF THE VARIOUS CYLINDERS IN AN INTERNAL COMBUSTION ENGINE AND A PREDETERMINED VALUE - The invention relates to the field of methods and devices for reducing the difference between normalized air-fuel ratio of the various cylinders compared with a predetermined value between 0.7 and 1.1, of the normalized air-fuel ratio in an internal combustion engine. The method and devices utilize the signal of the ionization current produced by a suitable device, modifying the quantity of fuel on the basis of the signal determined by means of the method in question in the invention. | 03-18-2010 |
Patent application number | Description | Published |
20110042254 | RETAINER FOR WELDING WIRE CONTAINER, HAVING FINGERS AND HALF-MOON SHAPED HOLDING TABS - A retainer for a welding wire container has a base element and at least one upper element which rests on the base element. The base element has a central opening for allowing the welding wire to pass through, and at least two guiding openings through which holding fingers extend. The holding fingers are part of the upper element and are made from a flexible material. | 02-24-2011 |
20110042355 | FEEDING SYSTEM FOR A WELDING WIRE FOR A SUBMERGED WELDING PROCESS - A system for submerged arc welding, having a container in which welding wire is stored so as to be available for welding, a welding torch, a guiding system for guiding the welding wire from the container towards the welding torch, and a feeder for moving the welding wire from the container through the guiding system towards the welding torch, the guiding system using at least one rolling element for guiding the welding wire. A method of operating a submerged arc welding system, wherein a first supply of welding wire and a second supply of welding wire are provided, the first and the second supplies each having a forward end and a rearward end, wherein the rearward end of the first supply is welded to the forward end of the second supply such that a weld is formed which can be fed through the submerged arc welding system. | 02-24-2011 |
20110073703 | WIRE GUIDING SYSTEM - A wire guiding liner, in particular welding wire liner, has a plurality of roll holders ( | 03-31-2011 |
20110094911 | RETAINER FOR WELDING WIRE CONTAINER, HAVING FINGERS AND HALF-MOON SHAPED HOLDING TABS - A retainer for a welding wire container has a base element and at least one upper element which rests on the base element. The base element has a central opening for allowing the welding wire to pass through, and at least two guiding openings through which holding fingers extend. The holding fingers are part of the upper element and are made from a flexible material. | 04-28-2011 |
20110174792 | LOW WIRE LEVEL ALARM - A low wire level alarm comprises a signal element and a wire level detection element. The wire level detection element is adapted for detecting the level of welding wire contained in a welding wire bulk pack, and the signal element is adapted for giving an operator a visual and/or acoustic signal on the level of welding wire contained in the bulk pack. In a welding wire bulk pack having a base, side walls and a coil of welding wire placed inside the side walls, a retainer is arranged on top of the welding wire coil so as to descend in the bulk pack when the level of welding wire inside the pack decreases. A low wire level alarm system is used for signaling to an operator that the level of welding wire remaining in the bulk pack has fallen below a predetermined threshold. | 07-21-2011 |
20130153705 | RETAINER FOR WELDING WIRE CONTAINER AND WELDING WIRE CONTAINER WITH RETAINER - A retainer for controlling the payout of wire from a wire container is described. The retainer has at least three segments. Each segment is connected to the adjacent segment so as to allow a relative movement of adjacent segments with respect to each other. The entirety of the segments form a contact surface adapted for contacting the wire contained in the wire container. Further, a wire container is described having a reception space for a wire coil, a wire coil arranged in the reception space, with the wire forming an annular end face of the wire coil from which the wire is withdrawn from the wire container, and a retainer for controlling the payout of wire from a wire container. | 06-20-2013 |
20140042142 | LINER FOR WIRE, IN PARTICULAR FOR WELDING WIRE - A liner for guiding wire, in particular welding wire, is formed from at least two different types of bodies arranged successively so as to form the liner. Each of the bodies carries a set of rolling elements. | 02-13-2014 |
Patent application number | Description | Published |
20100084296 | COVER FOR WELDING WIRE CONTAINER | 04-08-2010 |
20100116803 | FLEXIBLE GUIDE DEVICE FOR A WELDING ROD - A flexible guide device for a welding wire, formed by a plurality of individual elements which are connected to each other in an articulated manner, characterized in that the individual elements are adapted to swivel in relation to each other in any direction. | 05-13-2010 |
20110114523 | CONTAINER FOR WELDING WIRE - A container for accommodating a welding wire coil has a metal frame which defines an accommodation space for the welding wire coil. The metal frame has a bottom portion on which the welding wire coil is to be placed, and a side structure intended to laterally support the welding wire coil. The bottom portion of the metal frame is formed from four metal bars arranged so as to form a grid, and the side structure of the metal frame is formed by eight metal tubes, each of which is connected to one of the ends of the metal bars. The container further has a cardboard wall structure covering the outside of the side structure of the metal frame and having an octagonal shape in cross-section, and a cardboard floor structure covering the outside of the bottom portion of the metal frame. Furthermore, supporting feet are provided which are bolted to the metal frame and which clamp the cardboard floor structure to the bottom portion of the metal frame. | 05-19-2011 |
20140014545 | COVER FOR WELDING WIRE CONTAINER - A cover for a welding wire container has a body portion provided with an elongate slot through which the welding wire can be withdrawn from the container, and at least one flap formed integrally therewith and partially defining the slot. | 01-16-2014 |
20140361115 | RETAINER FOR A WELDING WIRE CONTAINER AND WELDING WIRE CONTAINER - A retainer is described for exerting a braking effect on wire provided as a spool in a container. The retainer has a plate-like elastic element with a contact surface adapted for resting on the wire, an outer circumference adapted for being guided in the container, and an inner circumference adapted for allowing the wire to pass through. The plate-like elastic element has an elasticity such that one of the inner and outer circumferences sags down, under the proper weight of the retainer, by a distance of at least 10 mm when the retainer is supported at the other of the inner and outer circumference. | 12-11-2014 |