Abstract: A method that allows the determination of at least one variable operational characteristic of a hydraulic system which includes a hydraulic fluid source a utilizing apparatus connected to the source through a conduit, and a flow-rate measuring device, positioned after the source for providing a signal indicative of the flow-rate of the liquid. The method includes the operations of providing in the hydraulic system an indicator device containing information indicative of the values taken by a predetermined parameter of the flow-rate measuring device as a function of the flow rate of the fluid; providing an acquisition means adapted to acquire the information from the indicator device; and predisposing an electronic processing means to calculate in a predetermined manner at least one operational characteristic of the hydraulic system, as a function of the flow-rate measuring device and of the information acquired by the indicator device.

Abstract: The heat exchanger (1) comprises a helical flow conduit (8) for a liquid, made with a pipe (9) of extruded thermally conductive material, provided with a pair of facing and mutually parallel fins (13), which extend from a portion of the outer surface thereof. This pipe (9) is helically wound about a longitudinal axis (A-A) such as to form a sequence of adjacent turns (10) separated by interspaces (11) through which, during use, hot gases, in particular combustion fumes, flow. The fins (13) extend helically, towards the outside relative to the axis (A-A) of the helical conduit (8), and have respective pluralities of through-openings (20, 21) which interconnect the region (16) comprised between them and the interspaces (11, 14) defined with respect to the adjacent turns (10). Flow paths are thus defined through these fins (13), outside the helical conduit (9), for the hot gases which during use pass through the interspaces (11, 14) between the turns of the helical conduit (8).

Abstract: A washing machine which detects vibrations of the washing tub or chamber. The machine (M) includes a support structure (S), inside which there is suspended a washing chamber or tub (T) wherein there is rotatably mounted a basket (B) for clothes and the like, and a pressure transducing device (1), which includes a support casing (2, 3) connected to the washing chamber or tub (T), and connected to a pipe or hose (P) which extends inside this chamber or tub (T), and with which there are associated an electronic circuit (17) predisposed for processing signals generated by the transducer (1) to provide an indication of the level of the washing bath (WB) in the chamber or tub (T). An electronic accelerometer (30) secured to the support casing (2, 3) of the pressure transducing device (1) and associated with said electronic circuit means (17), generates electrical signals indicative of the amplitude of the vibrations of the washing chamber or tub (T).

Abstract: The device (1) comprises: a casing (2-4) in which there is clamped a diaphragm (5) which, together with a portion of the casing (2-4), defines at least one chamber (6, 7) having a variable volume; a winding (14); an interaction member (13), adapted to magnetically interact with the winding (14) as a consequence of a displacement of the diaphragm (5), in such a way that the inductance of the winding (14) varies as a function of the relative position of the interaction member (13) with respect to the winding (14), and a processing unit (17) coupled to the winding (14), in order to supply electric signals having a parameter which is variable as a function of the inductance of the winding (14) and thus as a function of the relative position of the interaction member (13).

Abstract: A washing agent dispenser for a dishwasher, including a casing defining at least a receptacle adapted to receive an amount of washing agent; a cover displaceable relative to the casing between an opening position and a closing position of the receptacle; the cover carrying an elastic gasket, adapted to sealingly close said receptacle in the closing position of the cover; and a retaining mechanism having a retaining member movable in the casing, and a hooking member movable in the cover and adapted to cooperate with the retaining member. When the cover closes the receptacle the hooking member is kept, by an associated resilient member carried by the cover, in a condition of engagement with the retaining member, maintaining the cover in the closing position. The resilient member associated with the hooking member comprises an appendage integrally formed with and extending from the elastic sealing gasket and interposed between the cover and the hooking member.

Abstract: A conduit with a filter (1) having a body of moulded plastic material, including a central hollow portion (3) shaped like a cup, having an axis (A-A), and a peripheral plate-like portion (4), shaped as an annular flange, extending radially toward the outside around the open end of the central cup-shaped portion (3), wherein in the lateral wall (3a) of the central cup-shaped portion (3) there is provided a plurality of through holes (6), essentially transverse with respect to the axis (A-A), and in the peripheral flange-like portion (4) there is provided a plurality of through holes (5) essentially parallel to the axis (A-A).

Abstract: The valve device (1) comprises a bearing structure (2), stationary in operation, wherein there is defined a passage (3) intended to be coupled with an ice cube dispensing conduit in a refrigerator; an obturator (12) mounted rotatable in the bearing structure (2), between a closed position and an opened position, wherein it substantially shuts and, respectively, opens the passage (3), and an electrically-controlled motor means (W; 22, 28, 30), connected with the bearing structure (2) and coupled with the obturator (12) and adapted to cause a rotation of the obturator (12) between the closed position and the opened position.

Abstract: An electric valve device including a hollow body with an inlet and an outlet for a flow of fluid, in particular a liquid, between which, inside said body, there is defined a chamber in which there is provided a valve seat intended to cooperate with an associated closing member for controlling communication between the inlet and the outlet; and a tubular guiding formation which is nominally coaxial with the valve seat and inside which there is mounted, axially displaceably to and from the seat, a core which carries the closing member and the position of which with respect to the seat can be electromagnetically controlled by means of a winding or solenoid arranged around said tubular formation. The hollow body and the tubular guiding formation are made as a single piece of moulded plastic.

Abstract: A dishwasher door closing device (10; 110) includes an engagement element (11; 111), fitted on the casing (C) of the household appliance (W) releasably held by a retaining element (16) on the door (D). The engagement element (11; 111) includes a support body (12), a catch (14) releasably coupled to the retaining element (16) moving between a refracted position coupled to the retaining element (16) and the door (D) is closed, and an extracted position coupled to the retaining element (16) and the door (D) is in a pre-opening condition. A stop mechanism (18) tends to move from a release condition, in which it (18) frees the catch (14) to move from the retracted position to the extracted position, to a locking position and (18) holds the catch (14). An electrically-operated actuator system (20) controls passage of the stop mechanism (18) from the locking position to the release position.

Abstract: The system (1) comprises: a tubular interface formation (3) fixed or able to be fixed to a receiving body (C) and having a plurality of shaped retaining lugs (4) angularly spaced around its axis (A-A) and protruding axially and radially towards the outside; a tubular fastening member (6) in which the tube (2) can be pre-inserted axially and which has a plurality of external peripheral coupling elements (15) angularly spaced around its axis (A-A) and each able to engage with a corresponding retaining lug (4) of the interface formation (3), in a mutually axially retaining relationship.

Abstract: A device (10; 110; 210; 310) includes a support structure (12), on which there are mounted a plug (16), which is adapted to assume a plurality of operating positions including an opening position and a closing position, in which the plug is adapted to at least partially free and respectively obstruct a passage (14), which is meant for a fluid flow. A mechanism (18) is suited to move and hold the plug (16) between said operating positions. An opening actuator (20) and a closing actuator (22) are suited to separately act upon the mechanism (18), so that the mechanism (18) moves and holds the plug (16) between said operating positions, namely towards said opening position and towards said closing position, respectively, due to electric current supplied to the opening actuator (20) and to the closing actuator respectively.

Abstract: The heat exchanger (1) comprises a helical flow conduit (8) for a liquid, made with a pipe (9) of extruded thermally conductive material, provided with a pair of facing and mutually parallel fins (13), which extend from a portion of the outer surface thereof. This pipe (9) is helically wound about a longitudinal axis (A-A) such as to form a sequence of adjacent turns (10) separated by interspaces (11) through which, during use, hot gases, in particular combustion fumes, flow. The fins (13) extend helically, towards the outside relative to the axis (A-A) of the helical conduit (8), and have respective pluralities of through-openings (20, 21) which interconnect the region (16) comprised between them and the interspaces (11, 14) defined with respect to the adjacent turns (10). Flow paths are thus defined through these fins (13), outside the helical conduit (9), for the hot gases which during use pass through the interspaces (11, 14) between the turns of the helical conduit (8).

Abstract: The regulating device (1) comprises a body (2) including a hub (3) which has a first end (3a) connected to a surrounding ring (4), such as to define therebetween at least one passage (6) for the fluid, between the upstream and downstream regions, and the other or second end (3b) of which protrudes with respect to the ring (4). The ring (4) has, on a surface thereof, an annular distribution of projections (7). On the second end (3b) of the hub (3) there is mounted a flexible, ring-shaped, regulating member (8) facing and spaced from the tops of said projections (7) and capable during use of resiliently flexing towards them as a result of and depending on the difference in pressure between the upstream and downstream regions. The ring (4) is further provided with a plurality of restricted holes (10) having a fluid flow parallel to the at least one passage (6).

Abstract: The pilot valve (14) comprises a body (7, 7a) in which there is defined a control chamber (11) which is intended to communicate with the inlet (3) of the hydraulic valve (1) and which, through a restricted outlet passage (12) associated with a valve seat (13), is able to be selectively brought into communication with the outlet (4) of the hydraulic valve (1); at least one core (23) mounted movably within a portion (7a) of said body (7, 7a) and inside the control chamber (11) and carrying a closing member (24) cooperating with the valve seat (13); and an actuator (16-21) including a solenoid or coil (15) of copper wire, mounted around said portion (7a) of the body (7, 7a), for selectively controlling the position of the core (23) and the closing member (24) with respect to the valve seat (13) and the communication between the control chamber (11) and the restricted outlet passage (12); and wherein the ratio of the diameter (d) of the restricted outlet passage (12) to the weight (m) of the solenoid (16) is betw

Abstract: An assembly including an integrated device for dispensing washing agents, having a body intended to be mounted in an opening of a sheet-like wall which delimits the washing chamber and which has a peripheral formation which protrudes towards the outside and is intended to abut against the surface of the wall surrounding the opening, on the side of the wall which faces the washing machine; and an ozone-generating device, with a housing which has an outlet opening and contains electric ozone-flow generating means suitable for emitting a flow of ozone towards the outlet opening, so as to introduce it into the washing chamber of the machines.

Abstract: An electric valve device including a body having an inlet and an outlet, and a main valve seat through which the fluid can flow from the inlet to the outlet, a main shutter movable with respect to the valve seat; a control chamber; first and second communication passages between the inlet and the control chamber and between the control chamber and the outlet, respectively; a fixed structure arranged in the control chamber and in which there is defined an auxiliary valve seat, which is coaxial with the main valve seat (8) and which communicates with said second passage; and a solenoid control valve including a control solenoid coaxial with the valve seats for controlling an auxiliary shutter mounted movably in the control chamber and cooperating with the auxiliary valve seat for controlling the communication between the control chamber and the second passage.

Abstract: The assembly (1) comprises an integrated device (2) for dispensing washing agents, comprising a body (2a) intended to be mounted in an opening (G) of a sheet-like wall (F) which delimits the washing chamber (C) of a dishwashing machine (WD) and which has a peripheral formation (2b) which protrudes towards the outside and is intended to abut against the surface of this wall (F) surrounding the opening (G), on the side of this wall (F) which faces the washing chamber (C); and an ozone-generating device (3), with a housing (3a) which has an outlet opening (39) and contains an electric ozone-flow generator (34, 36) suitable for emitting a flow of ozone towards said outlet opening (39), so as to introduce it into the washing chamber (C) of the machine (WD). In the body (A) of the washing-agent dispensing device (2) there is defined an outlet chamber (13) able to communicate, in the condition of use, with the washing chamber (C) and having an inlet passage (45) accessible from the outside.

Abstract: A solenoid valve device that includes a body (2, 7) with an inlet (3) and an outlet (4) for the fluid, and with a main valve seat (6) through which the fluid can flow from the inlet (3) to the outlet (4); a main plug (8, 9); a control chamber (11) partially delimited by the main plug (8); a first passage (8d, 9b, 9c) for communication between the inlet (3) and the control chamber (11); a second passage (12, 13) for communicating the control chamber with the outlet (4); and a control solenoid valve (14) including a control solenoid (15) which controls a movable unit (17) including a first core (18) which can interact as a movable plug with the second passage (12, 13). Activation of solenoid (15) causes attraction of first core (18) towards a second core (21) and the opening of the second passage (12, 13).

Abstract: The pilot valve (14) comprises a body (7, 7a) in which there is defined a control chamber (11) which is intended to communicate with the inlet (3) of the hydraulic valve (1) and which, through a restricted outlet passage (12) associated with a valve seat (13), is able to be selectively brought into communication with the outlet (4) of the hydraulic valve (1); at least one core (23) mounted movably within a portion (7a) of said body (7, 7a) and inside the control chamber (11) and carrying a closing member (24) cooperating with the valve seat (13); and an actuator (16-21) including a solenoid or coil (15) of copper wire, mounted around said portion (7a) of the body (7, 7a), for selectively controlling the position of the core (23) and the closing member (24) with respect to the valve seat (13) and the communication between the control chamber (11) and the restricted outlet passage (12); and wherein the ratio of the diameter (d) of the restricted outlet passage (12) to the weight (m) of the solenoid (16) is betw

Abstract: A device for detecting the level of a liquid in a container, includes an optical structure facing at least partly the region inside the container in a position corresponding to a predefined level of the liquid and having a main surface, a first side surface and a second side surface which are inclined at about 45° with respect to the main surface and about 90° relative to each other; and an emitter and a receiver facing the main surface of the optical structure and able to send a radiation beam towards the first side surface and, respectively, receive a radiation beam emitted by the emitter and reflected by the first and second side surfaces, when the level of the liquid inside the container is lower than the predefined level. The structure extends mainly outside the container and faces the region inside the container only opposite the first side surface.