Abstract: A power supply system having a power converter unit and a rack. The rack has a shelf and a shelf connection device. The power converter unit has a housing and a unit connection device, where the unit connection device is adapted to be releasably locked to the shelf connection device when the power converter unit is inserted into the shelf. The shelf connection device has a recess, and the unit connection device has a plate spring and an actuating device. A first end of the plate spring is connected to the housing and a second end of the plate spring is supported on or connected to the actuating device. The actuating device is arranged to move the plate spring between a locked position, in which the plate spring is protruding from the housing into the recess, and an open position, in which the plate spring is retracted from the recess.

Abstract: A monitoring device (20) of a vehicle wheel (11) is configured for detecting and transmitting, by a wireless connection, information relating to at least one characteristic quantity of the status of the wheel (11), such as the inflating pressure of a tire thereof. The device (20) has a casing (21-22) housing a circuit (30) adapted to transmit said information, the casing (21-22) being designed for coupling to an end portion (3a) of electrically conductive body (3) of a tire valve (2) of the wheel (11). The casing (21-22) includes a casing body (21) integrating interconnection means (28, 29, 40) prearranged to obtain both an electric connection of the circuit (30) to the end portion (3a) of the electrically conductive body (3) of the valve (2; 2?; 2?), and a mechanical coupling of the casing (21-22) to the end portion (3a) of the electrically conductive body (3) of the valve (2; 2?; 2?).

Abstract: An AC-DC converter device includes a first overvoltage protection circuit connected between a first DC output terminal and a first control terminal of a gate pulse controller. The first overvoltage protection circuit is configured to turn off a first switch if the output voltage between the DC output terminals is above a threshold voltage. A galvanic insulation barrier is connected either between the first overvoltage protection circuit and the first control terminal or between the first control terminal and the first switch.

Abstract: A DC-DC converter device and method for controlling the DC-DC converter device includes controlling gate drivers connected to the respective gate of first and second resonant circuit switches of a resonant circuit, controlling gate drivers connected to the respective gate of first and second rectifier switches of a synchronous rectifier, and detecting whether a shutdown criteria is fulfilled or not. If the shutdown criteria is fulfilled, the method is further includes the step of sending a shutdown signal to a shutdown device.

Abstract: A device is described wherein an actuator (3, 4; 103, 104) drives a member, such as a rack (6) meshed with a pinion (5), between two stable positions. For this purpose, elements for stopping the movable member are provided, which cooperate with elements present on the outer housing (2, 21), in which the actuator and the movable member (5, 51) are arranged, for holding at least one of said stable conditions. The device of the invention ensures low energy consumption because the actuator (3) only operates for moving the movable member from one stable position to the other.

Abstract: A device is described wherein a pair of thermal or electrothermal actuators (3, 4; 103, 104) actuate a member, such as a pinion (5), between two stable positions. The actuators are alternately activated for moving the pinion between the stable positions. For this purpose, they are arranged close to each other, so that they can act upon the pinion on opposite sides, the pinion being held in the stable positions by a releasable engagement element. The device of the invention ensures low energy consumption because the actuators (3, 4) operate only for moving the pinion from one stable position to the other.

Abstract: An electro-thermal actuator device includes a case defining a cavity in which are housed a thermal actuator, an electrical heater and, at least partially, an actuating shaft. The device comprises a multipolar connector for the rapid, secure and reliable coupling to a respective source of electrical power supply for the heater. The connector can be configured as an adapter unit distinct from the case, suitable to transform a traditional electro-thermal actuator device into the actuator device described above.

Abstract: An anti-flooding safety device for a user apparatus includes: a first connection body defining a first duct, the first duct having an inlet and an outlet, the inlet of the first duct being provided for connection to a supply point of a mains supply. An inner flexible hose and an outer flexible hose are impermeable to water, wherein the inner hose has a proximal end, which is sealingly fixed in a position corresponding to the outlet of the first duct, and a distal end for connection to the user apparatus, and wherein the inner hose extends longitudinally within the outer hose so that between at least part of the two hoses a gap is defined designed to convey to the user apparatus and/or to withhold inside it any possible leaking water. A valve arrangement on the first connection body can be switched from a position of opening of the first duct to a position of closing of the first duct following upon detection of a leakage of water.

Abstract: An anti-flooding safety device includes two connection bodies, a valve arrangement that includes a valve member, a retention member for withholding the valve member in a respective opening position, and an inner hose and an outer hose impermeable to water. The inner hose hydraulically connects the two connection bodies and extends at least in part within the outer hose so that defined between the two hoses is a gap designed to withhold inside it any possible leaking water. A connection body has a control chamber that is at least in part delimited by a movable element, and a control member is coupled to the movable element so that a displacement of the latter will cause a displacement of the control member towards a respective position of release, wherein the valve member is free to pass into its closing position. The gap is in fluid communication with the control chamber, to obtain a substantially closed volume therewith.

Abstract: A long-life substance dispensing device for a washing machine, particularly a dishwasher, comprises: —a body (20?, 30?) designed to be sealingly fixed to a structure of the washing machine, —a support means (40) adapted to contain a total amount of a substance sufficient for performing a plurality of washing cycles, —an actuation system (47?, 50?, 61?) which is electrically controllable for causing delivery of at least one dose of the substance contained in the support means (40). The actuation system (47?, 50?, 61?) comprises at least one drive element and one driven element (47?) capable of cooperating to obtain the delivery. The actuation system (47?, 50?, 61?) is arranged for being able to take on an operative condition, wherein the drive element (61?) is operatively coupled with the driven element (47?), and an inoperative condition, wherein the drive element (61?) is decoupled from the driven element (47?).

Abstract: The invention relates to a method for controlling a series resonant DC/DC converter. The method comprises the steps of: defining a switching period TP having a first half period TA and a second half period TB and defining a subsequent switching period TP+1 after the switching period TP. In a next step, a first set (S1sc1; S1sc1, S4sc1) of switches of a first switching circuit (SC1) is controlled to be ON from the beginning Tstart of the first half period TA minus a time interval ?TAE1, where the time interval ?TAE1 is provided at the end of the first half period TA and a second set (S2sc1; S2sc1, S3sc1) of switches of the first switching circuit (SC1) is controlled to be ON from the beginning Tcenter of the second half period TB minus a time interval ?TBE1, where the time interval ?TBE1 is provided at the end of the second half period TB.

Abstract: A pressure sensor device comprises a casing (2a, 3 a) defining a chamber (20) and an inlet passage (14a, 14b) of the chamber. Accommodated in the chamber (20) is a pressure sensor (17) having a sensor body with a cavity and a membrane capable of deformation under pressure action of a fluid present in the inlet passage (14a, 14b). The device further comprises a circuit arrangement (26, 27, 30) to which the pressure sensor (17) is electrically connected, the circuit arrangement including a circuit support at least partially accommodated in the chamber (20). The sensor body is not rigidly associated to the casing (2a, 3 a) and/or to other parts of the device (26, 27, 30, 35), i.e. it is mounted elastically or in a moveable manner with respect to the casing (2a, 3 a) and/or to said other parts (26, 27, 30, 35) inside the chamber (20).

Abstract: The present disclsure relates to a resonant circuit (20). The resonant circuit is comprises three resonant circuit input nodes (11, 12, 13) and three resonant circuit output nodes (21, 22, 23), a transformer device and resonant tank devices. The transformer device (TR) comprises three primary windings (LP1, LP2, LP3) and three secondary windings (LS1, LS2, LS3) magnetically connected to each other, where the three secondary windings (LS1, LS2, LS3) are connected to the three resonant circuit output nodes (21, 22, 23). The first, second and third resonant tank devices (RT1, RT2, RT3) are each connected between the respective three resonant circuit input nodes (11, 12, 13) and the respective primary windings (LP1, LP2, LP3). The disclosure also relates to a resonant DC-DC converter comprising such a resonant circuit (20).

Abstract: A pressure sensor device comprises: —a casing (2a, 3a) defining a cavity (7) with an inlet passage (8a, 8b), —a pressure sensor (30) having a body accommodated in the cavity (7), for detecting the pressure of a fluid present in the inlet passage (8a, 8b), —a circuit arrangement including a circuit support (20) at least partially accommodated in the cavity (7) according to a respective laying plane, the pressure sensor (30) being mounted on the circuit support (20). Associated to the circuit support (20) is a protection body (31) surrounding the pressure sensor (30), the protection body (31) externally defining a seat for positioning a respective seal member (35), in particular a radial seal gasket, intended to cooperate with an internal surface of the casing (2a, 3 a).

Abstract: A pressure-sensor device (1) comprises: —a pressure-sensitive component (9) having a body, defined in which is a blind cavity, and having a membrane portion (9a), operatively associated to which is a detection element (R); and —a connection structure (2), which has a duct in communication with the cavity of the pressure-sensitive component (9) and is to receive a fluid, a pressure of which is to be detected. The connection structure (2) comprises a supporting body (2a) of the pressure-sensitive component (9), which defines a respective passage (2b), and a compressible element (12, 18) that is designed to be in contact with the fluid and is configured for compensating possible variations of volume thereof. The compressible element (12, 18) is positioned at least in part within the cavity (11) of the pressure-sensitive component (9) and/or in a stretch of the passage (2b) of the supporting body (2a) that is close to the cavity (11) of the pressure-sensitive component (9).

Abstract: A biomedical microfluidic device for separating a sub-population of particles from a first fluid, particularly a biological fluid, has means for separation and/or filtration of the fluid, which include a first microfluidic path defined in a first body of the device, a first inlet for introduction of a first fluid in the first path and at least a first outlet for discharge from the first path of a sample of fluid enriched in the sub-population of particles.

Abstract: A pressure sensor device (1) comprises: a pressure sensor (9) having a sensor body (9a) defined in which is a cavity (11) with a bottom surface (11a) belonging to a membrane portion (9?) of the body itself, a detection element operatively being associated to the membrane portion (9?), a connection structure (2) having a duct (2a, 15, 19) in communication with the abovementioned cavity (11), designed to receive a fluid a pressure of which is to be detected. The connection structure comprises a body (2) for supporting the pressure sensor (9), defining at least one respective passage (2a), and one compressible element (12) designed to be in contact with the fluid and configured to compensate possible volume variations thereof, the compressible element (12) being positioned at least partially within the cavity (11), in such a manner to substantially divide it into two opposite regions.

Abstract: The present disclosure relates to a resonant circuit (20). The resonant circuit comprises three resonant circuit input nodes (11, 12, 13) and three resonant circuit output nodes (21, 22, 23), a transformer device and resonant tank devices. The transformer device (TR) comprises three primary windings (LP1, LP2, LP3) and three secondary windings (LS1, LS2, LS3) magnetically connected to each other, where the three secondary windings (LS1, LS2, LS3) are connected to the three resonant circuit output nodes (21, 22, 23). The first, second and third resonant tank devices (RT1, RT2, RT3) are each connected between the respective three resonant circuit input nodes (11, 12, 13) and the respective primary windings (LP1, LP2, LP3). The disclosure also relates to a resonant DC-DC converter comprising such a resonant circuit (20).

Abstract: An electro-thermal actuator device includes a case defining a cavity in which are housed a thermal actuator, an electrical heater and, at least partially, an actuating shaft. The device comprises a multipolar connector for the rapid, secure and reliable coupling to a respective source of electrical power supply for the heater. The connector can be configured as an adapter unit distinct from the case, suitable to transform a traditional electro-thermal actuator device into the actuator device described above.

Abstract: A device for dispensing washing agents has a body defined in which is a reservoir for a liquid substance that can be dispensed. The reservoir has a charging passage that can be engaged by a plug. Operatively set between the body of the dispenser and the plug is an articulated connection, provided for keeping the plug mechanically connected to the dispenser even following upon removal of the plug from the charging passage. Preferably the articulated connection is of a “hide-away” type and comprises a movable member to which the plug is constrained so as to present a number of degrees of freedom.