Abstract: The device (1) comprises a body (2) in which are formed a first and second chamber (14, 15) separated sealingly from each other by a resilient diaphragm (6). The first chamber (14) has an inlet opening (2c) intended to be put in pneumatic communication with the region of a container which is above the liquid; the second chamber (15) communicates with the atmosphere. A winding (8) is mounted in a fixed position in the body (2), on the side opposite the first chamber (14) with respect to the diaphragm (6). A core (11) is coupled to the diaphragm (6) and is movable with respect to the winding (8) such that in operation the inductance of the winding (8) varies as a function of the position of the core. The device also comprises a first spring (12) tending to move the core (11) towards the diaphragm (6), and a second spring (16) tending to oppose the action of the first spring (12). The second spring (16) is positioned in the second chamber (15).

Abstract: The dispensing device includes a support body adapted to be mounted on the side of that door of the machine which is facing the washing chamber, in a position such that in the operation this body is periodically flushed, at least in part, by a flow of washing liquid emitted by at least one spraying rotor. In the support body there is incorporated an electrically conducting member whose electric capacitance with respect to earth is variable by the effect of the flow of washing liquid which periodically impinges onto the body; a detection and processing device being connected to the conducting member and being predisposed for detecting the variations of the electric capacitance of said conducting member with respect to earth and for correlating in a predetermined manner said variations with the operation of the spraying rotor.

Abstract: The device for dispensing a washing or rinsing agent for a dishwashing machine comprises: a container which has an inlet opening, which is adapted to be closed in a fluid-tight manner, for filling a quantity of a washing/rinsing agent inside the container; an outlet opening which is adapted to be closed in a fluid-tight manner, for dispensing a quantity of washing/rinsing agent during an operating cycle of the device; a feeder screw mounted rotatably inside the container, coaxial with the outlet opening and capable of conveying the washing/rinsing agent towards said outlet opening; transmission members driven by a motor unit and able to impart a rotation to the screw during an operating cycle of the device; and a closing valve unit able selectively to free and close off in a fluid-tight manner the outlet opening.

Abstract: The device (1) can be used in particular for the pivotable door of a dishwasher and comprises, in a structure or body (2) a first dispenser device (5, 6) for a washing agent, and a second dispenser device (4) for rinse agent, an electrically controlled actuator device (20, 21) connected to the first dispenser device (5, 6) in such a way that when the door is closed, a first excitation of the actuator device (20, 21) causes substantially only washing agent to be dispensed, and connected to the second dispenser device (4) by means of a transmission mechanism (22, 23) which includes a pivotable interconnecting element (23). The interconnecting element (23) is able to make the mechanism (22, 23) inoperative when the door of the dishwasher is opened, and to make it operative after a first excitation of the actuator device (20, 21) after the door has been closed. One end (23a) of this interconnecting element (23) is pivoted directly onto a movable control member (18) of the second dispenser device (4).

Abstract: The device comprises a basin-like container in which partitioning baffles define a plurality of cavities or moulds open at the top, intended to hold a respective quantity of water put into them by means of a solenoid valve, for the formation of corresponding ice cubes. An ejection device includes an electric motor device to which a rotatable shaft is coupled, from which stretch a plurality of ejector elements capable of provoking the expulsion of the ice cubes formed in said cavities or moulds as an effect of the rotation of the shaft. Control devices are associated with the motor device and with the solenoid valve, and comprise two cams operatively driven in rotation by the motor at different speeds. These cams have respective enabling and control profiles engaged operatively by the same feeler that cooperates with an electric switch in such a way as to define, in the operating cycle of the device, at least one time interval of predetermined duration for the opening of said water feed solenoid valve.

Abstract: The device (1) comprises a housing (2) in which an electric motor (5) is secured, the shaft (6) of this motor being coupled to a rotary control member (11) having on one surface a cam profile (11c) cooperating with a coordinated profile (20d) of a controlled member (20) which may move in translation in the housing (2) such that when the motor (5) is actuated, the rotation of the rotary control member (11) is adapted to cause the controlled member (20) to move in translation into a first position remote from the control member (11) or to enable this controlled member (20) to move in translation into a second position close to the control member (11).

Abstract: The device comprises a stationary body which has, defined inside it, a passage for a flow of liquid with at least one inlet opening and one outlet opening for the flow and in which at least one valve seat directed towards the outlet opening is defined in the vicinity of the inlet opening and in a middle portion of which a shaped transverse annular surface is formed. A movable body is arranged in the passage and co-operates in the manner of a flow throttling member with the transverse annular surface so as to define for the liquid flowing from the inlet opening to the outlet opening a flow cross section variable depending on the pressure of the liquid at the inlet of the support body. The movable body co-operates moreover in the manner of a obturator with the seat and a return spring tends to push it against this seat away from said shaped annular surface.

Abstract: The washing machine comprises a support structure in which is suspended a washing chamber in which a laundry drum is mounted to be rotatable, and in which a detector is provided, capable of providing electrical signals indicating the level of the washing liquid in the chamber. The detector comprises an inductive transducer including a coil and an associated core, the relative position of which is variable according to the level of the washing liquid such that the inductance of the coil varies accordingly. The inductive transducer is coupled to the laundry drum in such a way that the inductance of the coil is variable also according to the weight of the load contained in the drum.

Abstract: The device (1) comprises: a body (2) in which is formed a receptacle (3) having a mouth (4) and intended to receive a quantity of washing agent, a cover (5) connected to the body (2) and movable between a position in which the mouth (4) of the said receptacle (3) is closed and a position in which the mouth is open, and a return spring tending to move the cover (5) towards the open position. The cover (5) has a first portion (5a) hinged to the body (2) about a first axis (7) parallel to the mouth (4) of the receptacle (3) and translatable along guides (6) provided in the body (2), and a second portion (5b) connected to a crank element (8) by hinging about a second axis (9) parallel to the first axis (7). The crank element (8) is, in turn, hinged to the body (2) about a third, fixed axis (10) which is parallel to the first and second axes (7, 9).

Abstract: A device for the metered delivery of a liquid washing or ringing agent for a washing machine and the like. The device includes a casing which is to be secured to the machine and which is provided with a refillable reservoir for the liquid agent in which is defined a delivery receptacle capable of holding an amount of liquid agent corresponding to a plurality of metered amounts, and an electrically controlled delivery valve device associated with the receptacle and capable of permitting a flow of liquid agent from the delivery receptacle towards the washing chamber of the machine, a level-indicator device associated with the delivery receptacle and capable of signalling the instantaneous level reached by the rinsing agent in the receptacle, and a control unit connected to the indicator and arranged to control the delivery valve device in accordance with predetermined modalities as a function of the signal provided by the level-indicator device.

Abstract: The invention relates to a method for adding a multi-component solid detergent additive during a program sequence of a water leading household appliance, in particular a dishwasher, wherein the household appliance comprises a compartment for storing the detergent additive. According to the invention, the liquid supply to the detergent additive stored in the compartment is effected in dependency of the program sequence, wherein in particular the liquid supply to the compartment is repeated at different times. Similarly a household appliance is provided with a device for adding a multi-component detergent additive.

Abstract: The dispensing device for a washing and/or rinsing agent, in particular for a dishwashing machine, comprises: a stationary body designed to be integrally connected to the door of the dishwashing machine on the side directed during operation towards the washing chamber; a receptacle formed in the stationary body for receiving a quantity of a washing/rinsing agent and having a respective mouth; and a movable lid associated with the receptacle and displaceable in a manner constrained to the stationary body against the action of resilient return means from an open position into a closed position, where it opens and closes the mouth, respectively.

Abstract: The solenoid valve device (1) comprises a duct (3, 10, 10?, 4) with an inlet (3) and an outlet (4) and in which are formed first and second valve seats (5, 6) in series with one another, each between a respective inlet chamber (8, 12) and an associated outlet duct (9, 13), and a first and second interception solenoid valve device (16, 17) associated with the first and second valve seat (5, 6) respectively, and each comprising a respective movable shutter (18; 28) cooperating with one of the seats (5; 6) in the associated inlet chamber (8; 12). Each interception solenoid valve device (16, 17) comprises an electromagnetic control portion (35, 50; 36, 50) which includes a movable core (35, 36) the position of which is controlled by a control winding (50; 50).

Abstract: The device comprises a valve body with an input adapted to be connected to a water supply source, and with at least a first and second output. The body is provided with at least a first and a second electrovalve with direct actuation, whose hydraulic inputs are interconnected with one another and are connected to the input of the valve body and whose outputs are independent or separate and are connected to the first and the second output of the body respectively. The body is provided with a third solenoid electrovalve, for safety purposes, interposed between the input of the body and the inputs of the first and second electrovalves. Control devices are coupled to this third electrovalve such that the latter may be opened/closed each time that the first or second electrovalve is opened/closed. This third electrovalve closes in a delayed manner with respect to the closure of the first and the second electrovalve.

Abstract: The device (1) can be used in particular for the pivotable door of a dishwasher and comprises, in a structure or body (2) a first dispenser device (5, 6) for a washing agent, and a second dispenser device (4) for rinse agent, an electrically controlled actuator device (20, 21) connected to the first dispenser device (5, 6) in such a way that when the door is closed, a first excitation of the actuator device (20, 21) causes substantially only washing agent to be dispensed, and connected to the second dispenser device (4) by means of a transmission mechanism (22, 23) which includes a pivotable interconnecting element (23). The interconnecting element (23) is able to make the mechanism (22, 23) inoperative when the door of the dishwasher is opened, and to make it operative after a first excitation of the actuator device (20, 21) after the door has been closed. One end (23a) of this interconnecting element (23) is pivoted directly onto a movable control member (18) of the second dispenser device (4).

Abstract: The solenoid valve device (1) comprises a duct (3, 10, 10?, 4) with an inlet (3) and an outlet (4) and in which are formed first and second valve seats (5, 6) in series with one another, each between a respective inlet chamber (8, 12) and an associated outlet duct (9, 13), and a first and second interception solenoid valve device (16, 17) associated with the first and second valve seat (5, 6) respectively, and each comprising a respective movable shutter (18; 28) cooperating with one of the said seats (5; 6) in the associated inlet chamber (8; 12). Each interception solenoid valve device (16, 17) comprises an electromagnetic control portion (35, 50; 36, 50) which includes a movable core (35, 36) the position of which is controlled by a control winding (50; 50).

Abstract: The device comprises a basin-like container in which partitioning baffles define a plurality of cavities or moulds open at the top, intended to hold a respective quantity of water put into them by means of a solenoid valve, for the formation of corresponding ice cubes. An ejection device includes an electric motor device to which a rotatable shaft is coupled, from which stretch a plurality of ejector elements capable of provoking the expulsion of the ice cubes formed in said cavities or moulds as an effect of the rotation of the shaft. Control devices are associated with the motor device and with the solenoid valve, and comprise two cams operatively driven in rotation by the motor at different speeds. These cams have respective enabling and control profiles engaged operatively by the same feeler that cooperates with an electric switch in such a way as to define, in the operating cycle of the device, at least one time interval of predetermined duration for the opening of said water feed solenoid valve.

Abstract: The transducer (1) comprises: a rigid casing (2–4) in which a membrane (5) is clamped which, together with a portion of the casing (2–4), defines at least one chamber (6, 7) of variable volume; at least one winding (14); an interaction element (13), able to interact magnetically with the winding (14) under the effect of a displacement of the membrane (5), in such a way that the inductance of the winding (14) is variable in dependence on the relative position of the interaction element with respect to the winding (14), and circuit devices (17) connected to the winding (14) and operable to supply electrical signals of which one parameter, frequency for example, is variable in dependence on the inductance of the winding (14); the said circuit devices (17) including a memory (22) operable to store data representative of corrective values which, when applied in operation to the effective instantaneous values of the said parameter, make it possible to obtain correct values of the parameter corresponding to a predet

Abstract: The device (1) comprises a support structure (2) in which at least a first opening (8, 9) is defined, a shutter (13) which is mounted for piloting in that structure (2) and which is adapted to take up a least a first and a second angular position, in which it closes and opens at least partially the first opening (8, 9) of the structure (2), respectively, and an actuator device (25) which is capable of bringing about a controlled angular movement of the shutter (13) relative to the support structure (2).

Abstract: The sensor comprises a body in which a diaphragm is mounted so as to define a variable-volume chamber to which a fluid pressure is supplied in use, and a plurality of electrical switches connected to the diaphragm so that the diaphragm can bring about switching of the switches when the pressure in the chamber exceeds corresponding different threshold values which are predetermined by associated calibration means including, for each switch, a respective spring the compression of which can be varied by means of a corresponding reaction member the position of which relative to the body is adjustable. The reaction members are connected rigidly to the ends of an interconnection structure translatable in a guide structure.