Abstract: A refrigeration plant with a cooling circuit, comprising at least one peripheral unit having a refrigeration machine for refrigerating a storage compartment; the refrigeration machine having a heat exchanger connected to the cooling circuit for dissipating heat to a secondary fluid flowing therein; a cooling apparatus connected to the cooling circuit for cooling the secondary fluid; a control device connected to the cooling apparatus and configured to operate the cooling apparatus so as to maintain at least an operating temperature of the secondary fluid within at least a corresponding reference range or to equalize it to at least a corresponding target value.

Abstract: Described is a support assembly (1) for a motocondensing unit (M), comprising an electronic unit (Me) and a mechanical unit (Mm). In particular, the support assembly (1) according to the invention comprises: —a first base (10), configured to support the electronic unit (Me) of the motocondensing unit (M), and having a first coupling side part (102); —a second base (20), configured to support the mechanical unit (Mm) of the motocondensing unit (M), and having a second coupling side part (202); wherein said first coupling side part (102) and said second coupling part (202) are configured to be coupled to each other in such a way that, following the coupling of said first coupling part (102) and of said second coupling part (202), the first base (10) and the second base (20) form a monolithic body.

Abstract: A compressor unit (10) of a refrigerating machine (100) for domestic or commercial use has a rotary compressor (11) which has a BLDC or BLAC motor (13), connected to a compression element (12) for actuating it, and a control device (16) connected to the motor (13), for driving it at a variable speed. The compressor (11) further has a a housing (17) which encloses the motor (13) and the compression element (16) and which has a side wall (20) inside of which the stator (14) of the motor (13) is fixed. The compressor unit (10) also comprises an operating shell (21) covering the housing (17) and in thermal communication with the side wall (20). The operating shell (21) dissipates heat transmitted to it by the housing (17) and contrasts or absorbs or dissipate sound waves having a frequency of between 4 kHz and 16 kHz.

Abstract: Method for optimizing the energy consumption of a refrigeration unit, comprising: a step A: activating a driving device (14) of the compressor (13) by modulating the operating voltage Vout of the compressor (13) to an optimized value designed to activate the compressor (13) at an optimized speed determined by a thermodynamic optimization algorithm; a step B: regulating the driving device (14) which drives the AC/DC converter (17) so that the bus voltage is equal to the greater between a first threshold and a second threshold; wherein the first threshold is equal to the product of ?2 by the value of the supply voltage and the second threshold is equal to the product of ?2 by the value of the driving voltage; a step C: modifying the speed of each fan in order to minimize the value of an overall electrical consumption.

Abstract: An ejector for a refrigerating machine having a main body crossed by a conduit for passage of refrigerant fluid and having a compartment which includes a seating, which is in communication with the conduit, and a mouth for inlet of refrigerant fluid; a nozzle which can be coupled with the seating and has an internal hole for passage of the refrigerant fluid, and a shutter having an end which can be coupled with the hole to close the hole.

Abstract: A compressor unit (10) of a refrigerating machine (100) for domestic or commercial use has a rotary compressor (11) which has a BLDC or BLAC motor (13), connected to a compression element (12) for actuating it, and a control device (16) connected to the motor (13), for driving it at a variable speed. The compressor (11) further has a a housing (17) which encloses the motor (13) and the compression element (16) and which has a side wall (20) inside of which the stator (14) of the motor (13) is fixed. The compressor unit (10) also comprises an operating shell (21) covering the housing (17) and in thermal communication with the side wall (20). The operating shell (21) dissipates heat transmitted to it by the housing (17) and contrasts or absorbs or dissipate sound waves having a frequency of between 4 kHz and 16 kHz.

Abstract: The disclosure provides a control device which can be installed within a cold room, and within a refrigerated or air-conditioned environment in general, without the electronics for managing the various components becoming damaged. The disclosed device is easy to install and/or retrofit and requires no burdensome wiring, ducts, cables and connections.

Abstract: An ejector for a refrigerating machine, including a main body crossed by a conduit for passage of refrigerant fluid and having a compartment which comprises a seating, which is in communication with said conduit, and a mouth for inlet of refrigerant fluid; a nozzle which can be coupled with the seating and having an internal hole, for passage of the refrigerant fluid a shutter having an end which can be coupled with the hole to close the hole.

Abstract: A control device for refrigeration and conditioning systems, comprising: an electronic expansion valve, associated with an evaporator arranged within a refrigerated/conditioned environment, a temperature sensor for the evaporator, an electronic board for the wired management of the electronic expansion valve and the temperature sensor; the electronic board is covered with a hermetic shell and is preset to be arranged within a refrigerated/conditioned environment in which the control device is installed.

Abstract: Steam distributor for air treatment units, including at least one diffusion duct provided with steam outlet orifices, and at least one outer shell for thermally shielding said diffusion duct provided with openings corresponding to said orifices of said duct.

Abstract: Regulating valve (10) comprising: a body (11) crossed by a channel (12) for a fluid, a shutter (13) sliding in the body (11), according to a sliding direction (A), between a closing position and an opening position. The shutter (13) protrudes along the sliding direction (A) between a back end (16) and a front end (17), which is provided with a side surface (18) parallel to the sliding direction (A) and coupling with the internal surface (15) of the seat (14). The front end (17) is tubular and has at least one aperture (20) crossable by a fluid according to a normal direction to the sliding direction (A). The aperture (20) has two sides (20a, 20b) which join together to form a cuspid and diverge along the sliding direction (A).

Abstract: A regulating valve has a valve body, with an inlet and an outlet for fluid, which are connected by a connecting opening, and a flow control device for the connecting opening, inserted in a seat formed in the valve body. The flow control device has a piston for controlling flow within the connecting opening which is functionally connected to an electric motor adapted to make it slide within a cylinder along a sliding axis, and a monolithic tubular jacket that surrounds, determining its coaxiality, the rotor of the electric motor and the flow control piston, further providing the cylinder.

Abstract: A regulating valve for regulating the flow of fluids in refrigeration systems has a valve body that has an inlet and an outlet for fluid, connected by a connecting opening, a flow control device for the opening, which is inserted in the valve body and comprises a flow control piston for the connecting opening that is driven by an electric motor along a sliding axis between an open position and a blocking position of the connecting opening. The flow control piston has openings for connection between a front face, which is directed toward the connecting opening, and a rear face thereof for balancing pressures applied by the fluid to the front face, and a head dome facing the connecting opening and forming the front face, the connection openings comprising a plurality of holes passing through the dome.

Abstract: Steam distributor for air treatment units, including at least one diffusion duct provided with steam outlet orifices, and at least one outer shell for thermally shielding said diffusion duct provided with openings corresponding to said orifices of said duct.

Abstract: A valve for adjusting the flow-rate of fluids, servo-controlled by an electric motor having within a hermetic enclosure capsule and supported rotatably with a support for reducing rotary friction, the rotor component of the electric motor with a screw-and-nut coupling with a flow control element restrained to perform only axial translational motions in a valve body provided with intake and discharge ports and fixed coaxially to the capsule. The support is provided by a radial bearing and associated with the rotor component in a position corresponding to the portion of the rotor component inside which the screw-and-nut coupling is provided.

Abstract: A boiler particularly for humidifiers, provided with a tank, supported by supporting elements, which have a filling and discharging orifice. A centrifugal discharge pump is supported by the supporting elements in a position that faces the orifice, so that the axis of its impeller substantially coincides with the axis of the orifice.

Abstract: An air humidification system for large enclosed spaces, comprising at least one humidification line constituted by at least one humidification module comprising a box-like container with a water flow pipe inside which is functionally connected at its inlet to a water pump and at its outlet to a water discharge space. The pipe has, along its extension, a plurality of nozzles adapted to provide a water aerosol. The nozzles are open onto a first opening provided in the box-like container and are oriented toward the outside of the first opening. A cross-flow impeller is provided within the box-like container along a rotation axis which is parallel to the pipe and is suitable to aspirate air from a second opening of the box-like container and direct it toward the first opening.

Abstract: A regulating valve for regulating the flow of fluids in refrigeration systems has a valve body that has an inlet and an outlet for fluid, connected by a connecting opening, a flow control device for the opening, which is inserted in the valve body and comprises a flow control piston for the connecting opening that is driven by an electric motor along a sliding axis between an open position and a blocking position of the connecting opening. The flow control piston has openings for connection between a front face, which is directed toward the connecting opening, and a rear face thereof for balancing pressures applied by the fluid to the front face, and a head dome facing the connecting opening and forming the front face, the connection openings comprising a plurality of holes passing through the dome.

Abstract: A regulating valve has a valve body, with an inlet and an outlet for fluid, which are connected by a connecting opening, and a flow control device for the connecting opening, inserted in a seat formed in the valve body. The flow control device has a piston for controlling flow within the connecting opening which is functionally connected to an electric motor adapted to make it slide within a cylinder along a sliding axis, and a monolithic tubular jacket that surrounds, determining its coaxiality, the rotor of the electric motor and the flow control piston, further providing the cylinder.

Abstract: An airless atomizing nozzle comprises a tubular body including a bore having an inlet and an outlet; a cylindrical member including a face and a cylindrical delivery channel secured at the outlet, the delivery channel having substantially uniform diameter; and a pin including a target area spaced from and directly over the delivery channel outlet. The delivery channel includes a tapered inlet and an outlet terminating at the face. A method for aligning a target on a pin over an orifice in an airless atomizing nozzle body is also disclosed.