Abstract: A filtering cartridge (2), intended to be contained within an outer casing (TO) provided with an inlet (11) and an outlet (12) so as to filter the fluid which flows from the inlet (11) towards the outlet (12), the filtering cartridge (2) comprising at least one filtering membrane (40), characterized in that it comprises at least one tubular body (30) into which said filtering membrane (40) is fitted so as to be at least partly wound, the tubular body (30) comprising at least one fin (32) having helical development deriving from the internal wall of the tubular body (30).

Abstract: A filtering cartridge (2), intended to be contained within an outer casing (TO) provided with an inlet (11) and an outlet (12) so as to filter the fluid which flows from the inlet (11) towards the outlet (12), the filtering cartridge (2) comprising at least one filtering membrane (40), characterised in that it comprises at least one tubular body (30) into which said filtering membrane (40) is fitted so as to be at least partly wound, the tubular body (30) comprising at least one fin (32) having helical development deriving from the internal wall of the tubular body (30).

Abstract: A filter cartridge (30) for filtering fuel, comprising a filter wall (31) having a tubular shape, a first support plate (32) fixed to an end of the filter wall (31) and a second support plate (33) fixed to the opposite end of the filter wall, each support plate (32, 33) defining a respective portion (324,325;335,336) of a discharge conduit (324,325; 50; 335,336) of the water which separates from the fuel during filtration of the fuel; the peculiarity of the invention consists in the fact that it comprises a connecting cannula (50) able to connect the portions (324,325;335,336) and arranged externally of the filter wall (31).

Abstract: A filtering unit (10) comprising a casing (20) provided with at least one inlet (32), one outlet (33) and one support body (42) provided with abutment surfaces (44) adapted to removably support a filtering cartridge (50) contained within the casing (20) and adapted to divide the internal volume of the casing (20) into two chambers (21,22) respectively connected with the inlet (32) and the outlet (33) so as to filter the fluid flowing from the inlet (32) towards the outlet (33), the filtering cartridge (50) comprising at least one coupling element (55) configured to be snap-coupled to the support body (42) following a first axial translation for mutual approaching between the filtering cartridge (50) and the support body (42), whose distinctive characteristic lies in the fact that it comprises cam means (57,58) operating between the coupling element (55) and the support body (42) so as to radially bend the coupling element (55) in a release position for disengaging the coupling element (55) from the support el

Abstract: A filter for internal combustion engines, includes a rigid external casing provided with at least an inlet for a fluid to be filtered and an outlet for the fluid when filtered, and a filter cartridge located internally of the external casing, which includes a plurality of tubular filter walls arranged parallel to one another which are destined to be crossed by the fluid flowing from the inlet towards the outlet of the external casing; the external casing being conformed such as to delimit a pouch a transversal section of which, performed along a perpendicular plane to axes of the tubular filter walls, exhibits a prevalent line of development and a small width with respect to the prevalent line of development; the tubular filter walls being arranged internally of the pouch, side by side with one another, forming a single row which follows the prevalent line of development of the pouch.

Abstract: A manifold element (210) for a filtering cartridge (200) comprising a shaped shell (215) provided with an internal volume (220) and a plurality of access ports (225, 230) communicating with said internal volume, among which a plurality of first access ports (225) and at least one second access port (230), wherein each of said first access ports (225) is adapted to be coupled with a respective filtering material element (205) so as to support it and be occluded thereby.

Abstract: A filtering unit (100) comprising:—an outer casing (1) provided with at least one inlet conduit (13) for a fluid to be filtered and one outlet conduit (14) for a filtered fluid, a filtering cartridge (2) received within said casing (1), so as to filter the fluid which flows from the inlet conduit (13) towards the outlet conduit (14), and—a pump (3,4) for priming the fluid arranged on said outlet conduit (13) adapted to create vacuum in the volume within the casing (1); the distinctive characteristic lies in the fact of comprising a bypass conduit (15) adapted to bypass the priming pump (3,4) and intercepted by at least one automatic valve (150) adapted to open and close the bypass conduit.

Abstract: A filtering unit (10) comprising a casing (20) provided with at least one inlet (32), one outlet (33) and one support body (42) provided with abutment surfaces (44) adapted to removably support a filtering cartridge (50) contained within the casing (20) and adapted to divide the internal volume of the casing (20) into two chambers (21,22) respectively connected with the inlet (32) and the outlet (33) so as to filter the fluid flowing from the inlet (32) towards the outlet (33), the filtering cartridge (50) comprising at least one coupling element (55) configured to be snap-coupled to the support body (42) following a first axial translation for mutual approaching between the filtering cartridge (50) and the support body (42), whose distinctive characteristic lies in the fact that it comprises cam means (57,58) operating between the coupling element (55) and the support body (42) so as to radially bend the coupling element (55) in a release position for disengaging the coupling element (55) from the support el

Abstract: A filter cartridge (60, 160) comprising a filter wall (63, 163) having a tubular shape and at least a support plate (61, 161) fixed to an end of the filter wall (63, 163), characterized in that a by-pass conduit (66, 166) is fashioned in the support plate (61, 161), which by-pass conduit (66, 166) is designed to place an internal volume (64, 164) delimited by the filter wall (63, 163) in communication with outside, which by-pass conduit (66, 166) is intercepted by a valve (70, 170) which is associated to the support plate (61, 161) in an out-of-center position with respect to a longitudinal axis (A, A2) of the filter wall (63, 163), the valve (70, 170) comprising an internally-hollow valve body (71, 171), which is provided with a hole (72, 172) suitable for setting the bypass conduit (66, 166) in communication with the internal cavity of the valve body (71, 171), an obturator (73, 174) housed in the internal cavity of the valve body (71, 171), and an elastically-acting element (75, 180) suitable for pressing

Abstract: A filter cartridge (30) comprising a filter membrane (33) and at least a support element (31) fixed to the filter membrane (33), the support element being provided with at least a snap-engaging element (36) suitable for snap-engaging to a support body (20) following a reciprocal translation between the filter cartridge (30) and the support body (20) along a nearing axis (A), the support element (31) further comprising disengaging means (38) suitable for disengaging the snap-engaging element (36) from the support body (20) following a reciprocal rotation between the filter cartridge (30) and the support body about the axis (A).

Abstract: A filter group (40) for fluids, comprising an external casing (19) having any section, suitable for receiving at least a filter membrane (16, 18) which develops parallel to the axis of the casing (19), for dividing an internal volume of the casing (19) into two chambers (28, 29), of which a first chamber (28) is in communication with an inlet conduit (12) for the fluid to be filtered and a second chamber (29) is in communication with an outlet conduit (14) of the filtered fluid.

Abstract: A component (5) for filters (10) comprising a plate (50) provided with at least a through-opening (54) in a thickness thereof and a perimeter edge to which a seal (51) is fixed, which seal (51) is destined to be interposed between a beaker-shaped body (21) and a cover (22) of a casing (20) of a filter (10), and a flat filter wall (55) fixed to the plate (50) in such a way as to intercept the at least a through-opening (54) and a hollow shank (53) suitable for accommodating the end of a pipe (56) for removal of the water accumulated on the bottom of the beaker body (21).

Abstract: A filter cartridge (60, 160) comprising a filter wall (63, 163) having a tubular shape and at least a support plate (61, 161) fixed to an end of the filter wall (63, 163), characterised in that a by-pass conduit (66, 166) is fashioned in the support plate (61, 161), which by-pass conduit (66, 166) is designed to place an internal volume (64, 164) delimited by the filter wall (63, 163) in communication with outside, which by-pass conduit (66, 166) is intercepted by a valve (70, 170) which is associated to the support plate (61, 161) in an out-of-centre position with respect to a longitudinal axis (A, A2) of the filter wall (63, 163), the valve (17, 170) comprising an internally-hollow valve body (171, 171), which is provided with a hole (72, 172) suitable for setting the bypass conduit (66, 166) in communication with the internal cavity of the valve body (71, 171), an obturator (73, 174) housed in the internal cavity of the valve body (71, 171), and an elastically-acting element (75,180) suitable for pressing

Abstract: A component (5) for filters (10) comprising a plate (50) provided with at least a through-opening (54) in a thickness thereof and a perimeter edge to which a seal (51) is fixed, which seal (51) is destined to be interposed between a beaker-shaped body (21) and a cover (22) of a casing (20) of a filter (10), and a flat filter wall (55) fixed to the plate (50) in such a way as to intercept the at least a through-opening (54) and a hollow shank (53) suitable for accommodating the end of a pipe (56) for removal of the water accumulated on the bottom of the beaker body (21).

Abstract: A method is provided for dimensioning a filter group for internal combustion engines, provided with a first filter wall and a second filter wall, located downstream of the first filter wall with reference to a direction of a fuel, configured such as to be crossed in series by the fuel. The method includes steps of: a) supplying the fuel into the filter group at a minimum fuel flow, destined to guarantee start-up and functioning of the engine in normal operating conditions thereof; b) calculating a pressure drop across the first filter wall; c) calculating a pressure drop across the second filter wall; d) modify morphological and shape characteristics of the first filter wall up until when the pressure drop in the first filter wall exceeds the pressure drop in the second filter wall.

Abstract: For diesel internal combustion engines, an improved filter unit comprising a casing the interior of which is separated by a filtering baffle into two separate chambers to which a fuel inlet conduit and a fuel outlet conduit are connected respectively, with said unit there being associated a device for determining the degree of clogging of the filtering baffle; said device is located inside said casing and is positioned to be sensitive to the difference between the fuel pressure in said chambers.

Abstract: A filter for internal combustion engines of vehicles, comprising: an external casing (11) and an upper closing cover (12), which close an internal chamber (13) having an inlet for the liquid to be filtered and an outlet for filtered liquid; a filter cartridge (20) having a tubular filter means (21) located internally of the internal chamber (13) which separates the chamber (13) into a first zone communicating with the inlet and a second zone communicating with the outlet, and a lower plate (22) joined to a lower end of the filter means (21); the filter means being removably fixed to the casing (11) such as to remain internally of the casing when the casing is separated from the cover; the lower plate comprising hooking teeth (31), developing axially and having an elastic action in a radial direction; the base of the casing comprising a generally cylindrical surface sub -divided into a number of sectors which is equal to a number of hooking teeth (31), each sector defining a hooking zone (43) for axially const

Abstract: A filter cartridge for fuel, includes a first filter element and a second filter element, which is of a flat type and is located downstream of the first filter element with reference to a direction of the fuel, the filter elements are configured such as to be crossed in series by the fuel, in which the first filter element is a depth filter and has a mean porosity value which is greater than the porosity of the second filter element and which is such as to retain large-dimension paraffins and a part of smaller-dimension particulates, while enabling passage of small-dimension paraffins.

Abstract: A filter for internal combustion engines, includes a rigid external casing provided with at least an inlet for a fluid to be filtered and an outlet for the fluid when filtered, and a filter cartridge located internally of the external casing, which includes a plurality of tubular filter walls arranged parallel to one another which are destined to be crossed by the fluid flowing from the inlet towards the outlet of the external casing; the external casing being conformed such as to delimit a pouch a transversal section of which, performed along a perpendicular plane to axes of the tubular filter walls, exhibits a prevalent line of development and a small width with respect to the prevalent line of development; the tubular filter walls being arranged internally of the pouch, side by side with one another, forming a single row which follows the prevalent line of development of the pouch.

Abstract: A filter group for diesel-powered internal combustion includes an external casing an internal volume of which is divided into two distinct chambers by a filter wall into which an inlet conduit and an outlet conduit for the fuel open, at least one heater being fitted internally of the casing, the at least one heater is housed inside a protection body and is connected to a control circuit, and at least one temperature sensor, the at least one temperature sensor being located externally of the protection body and being connected to the control circuit managing the heater device on a basis of a temperature registered by the sensor.