Abstract: A fan assembly (1) for an extractor hood to be used in a kitchen over a hob includes a body or casing (2) and an impeller (22) driven by an electric motor (20), with the casing having an internal cavity (4) which is bounded by a wall (3) and suitable to contain the impeller and the electric motor. The impeller (22) is located in the cavity (4) in such a manner as to define, with the wall of cavity, a spiral duct (25) for the vapours taken into the cavity, with the duct opening into a terminal outlet (5) and the casing (2) being open (at 8, 9) on opposite sides (6, 7) to favour the entry of vapours at the level of the impeller (22). The wall (3) of the casing includes a plurality of transversal portions having radii or radial configurations which differ from one another.

Abstract: A vertical domestic extraction hood (100) for air containing vapours and fumes from a hob during food preparation includes a parallelepipedic extractor body (1) containing within it functional components to draw in the aforementioned air, with the extractor body (1) having on one side (5) an opening (7) for discharging the air drawn in and filtered and on another side (8) a different opening for extraction of the air to be filtered. A panel (12) is provided at a distance from front side (10) in front of one said front side (10) of said extractor body (1). The hood (100) includes a sensor for monitoring airborne substances that is arranged in such a way as not to be directly in contact with the extracted air and is able to detect at least one characteristic of such extracted air or the air from the environment where the hood is located.

Abstract: An extraction hood of the up-and-down type for extracting fumes and/or vapours generated on a hob includes a fixed first hood portion (2) and a second extraction hood portion (4) set at a distance from the first extraction hood portion (2) and close to the hob, the second hood portion containing an extraction device (6) capable of drawing in air containing fumes and/or vapours from the hob and directing it towards an opening (11) in the second hood portion (4) to be discharged therefrom and passed towards the first hood portion (2). A conveyor (10) for the discharged air is provided at the opening (11) of the second hood portion (4). The conveyor includes a body (30) having a tubular annular shell (31) containing a honeycomb structure (32) with a number of tubular cells (42) through which the air leaving the second hood portion (4) is discharged.

Abstract: A fan (1) for a smoke and/or vapor extraction system that includes an impeller (3) located within a diffuser or volute (2), the impeller (3) being driven by an electric motor (24); the impeller (3) having a body (20) having a flat part (21) from which a plurality of radially arranged blades (33) extend; these blades are separated from each other by a variable distance based on a periodic function. In addition to this, the diffuser (2) has an air delivery or discharge conduit (5) having a cross-section increasing from an inlet to its outlet (6).

Abstract: An extraction hood of the up-and-down type for extracting fumes and/or vapours generated on a hob includes a fixed first hood portion (2) and a second extraction hood portion (4) set at a distance from the first extraction hood portion (2) and close to the hob, the second hood portion containing an extraction device (6) capable of drawing in air containing fumes and/or vapours from the hob and directing it towards an opening (11) in the second hood portion (4) to be discharged therefrom and passed towards the first hood portion (2). A conveyor (10) for the discharged air is provided at the opening (11) of the second hood portion (4). The conveyor includes a body (30) having a tubular annular shell (31) containing a honeycomb structure (32) with a number of tubular cells (42) through which the air leaving the second hood portion (4) is discharged.

Abstract: An extractor hood capable of extracting fumes and/or vapors being generated on a cooking surface, the hood including a first portion (2) integral with a wall (3) of the room where the cooking surface is located, a second portion (4), spaced apart from the first and close to the cooking surface, and a support connection (50) capable of securing the first portion (2) to the second portion (4), the second portion containing a fan (5) capable of extracting fumes and/or vapors from the cooking surface when the hood (1) is in use. The first portion (2) includes an autonomous extraction device capable of extracting fumes and/or vapors exiting the second portion (4) and extracted from the cooking surface by the fan (5) present in the second portion (4), the hood having no connecting tube between the second portion (2) and the first portion (4).

Abstract: An extractor hood (1) with a body (2) which is hollow in its interior (at 15), provided with a lateral opening (8) and containing in its cavity (15) a fan (16) which can aspirate from the lateral opening (8) fumes and/or vapors generated by an underlying hob of a kitchen, the body (2) having opposite surfaces (5, 6) with a larger area, connected by walls or surfaces (10, 11, 12, 13) with a smaller area, a first one (5) of the surfaces (5, 6) with the larger area being placed on a vertical wall (2) of said kitchen, the second surface (6) with the larger area containing the aforementioned lateral opening (8), and in front of this opening (8) there being a flat panel (23) placed spaced from this second larger surface. This flat panel (23) is parallel to the second surface (6), including when the hood (1) is in use.

Abstract: A fan (1) for a smoke and/or vapour extraction system that includes an impeller (3) located within a diffuser or volute (2), the impeller (3) being driven by an electric motor (24); the impeller (3) having a body (20) having a flat part (21) from which a plurality of radially arranged blades (33) extend; these blades are separated from each other by a variable distance based on a periodic function. In addition to this, the diffuser (2) has an air delivery or discharge conduit (5) having a cross-section increasing from an inlet to its outlet (6).

Abstract: An extractor hood (1) with a body (2) which is hollow in its interior (at 15), provided with a lateral opening (8) and containing in its cavity (15) a fan (16) which can aspirate from the lateral opening (8) fumes and/or vapors generated by an underlying hob of a kitchen, the body (2) having opposite surfaces (5, 6) with a larger area, connected by walls or surfaces (10, 11, 12, 13) with a smaller area, a first one (5) of the surfaces (5, 6) with the larger area being placed on a vertical wall (2) of said kitchen, the second surface (6) with the larger area containing the aforementioned lateral opening (8), and in front of this opening (8) there being a flat panel (23) placed spaced from this second larger surface. This flat panel (23) is parallel to the second surface (6), including when the hood (1) is in use.

Abstract: An extractor hood capable of extracting fumes and/or vapours being generated on a cooking surface, the hood including a first portion (2) integral with a wall (3) of the room where the cooking surface is located, a second portion (4), spaced apart from the first and close to the cooking surface, and a support connection (50) capable of securing the first portion (2) to the second portion (4), the second portion containing a fan (5) capable of extracting fumes and/or vapours from the cooking surface when the hood (1) is in use. The first portion (2) includes an autonomous extraction device capable of extracting fumes and/or vapours exiting the second portion (4) and extracted from the cooking surface by the fan (5) present in the second portion (4), the hood having no connecting tube between the second portion (2) and the first portion (4).

Abstract: A single-phase asynchronous motor (1) for a suction assembly of an extractor hood (5) comprises a stator (13) wherein a rotor is driven into rotation, a driving shaft (15) carrying a rotor (16) being integral with the latter for sucking smokes and vapors from a cooktop placed below the hood (5) and for sending them towards an output (8) of the hood, said stator (13) comprising a plurality of stator core laminations (22) provided with sixteen slots (30) containing metal electrical windings wherein current flows so as to generate a magnetic flux suitable for causing the rotation of the rotor. The stator has an outer diameter (D2) greater than 80 mm, the number of the slots (30) being sixteen, such slots having a unit surface of at least 70 mm2.

Abstract: The kitchen extractor hood (110) is provided with means (38) for generating a first flow (A, B) of a gaseous mixture taken from the internal environment (51) in which the hood (110) is located and releasing it into the external environment (52). The hood (110) is also provided with means (28) for generating a second flow (C, D) of a gaseous mixture taken from the external environment (52) and/or from the internal environment (51) and releasing it into the internal environment (51), as well as with means (10) for recovering part of the thermal energy contained in the first flow (A, B) and transferring it to the second flow (C, D). The means (10) used to recover thermal energy comprise a recovery device (14) comprising in turn a heat exchanger of the heat pipe type (16), featuring an evaporation section (14E) dealing with the first flow (A, B) and a condensation section (14C) dealing with the second flow (C, D).

Abstract: Electric motor (1) comprising a stator (2), a magnetic induction core (3) constrained to said stator, at least one magnetic excitation coil (4a, 4b) associated to said induction core, a rotor (5) of substantially cylindrical shape comprising at least one permanent magnet adapted to form on said rotor at least two magnetic poles of opposite polarity, said core and said coils being adapted to form at least two magnetic induction poles of opposite polarity on said stator core of contiguous poles united in a single body.

Abstract: A built-in aspirating hood which can be applied in a suitable housing in a wall or in furniture, immediately behind a cooking surface and which consists of a parallelepiped body containing a suction fan and a seat for anti-fat filters, the parallelepiped body containing a suction fan and a seat for anti-fat filters. The parallelepiped body is equipped with two outlets, upper and rear, which can alternately be used to evacuate towards the outside the flow of fumes and vapours sucked by the inner fan.

Abstract: A fan having an internal rotor motor with a rapid fixing device for a fan wheel, for both centrifugal and axial fans, including a casing (12) containing an electric motor with an internal rotor (13) connected to at least one fan wheel (14, 14?) and being enclosed by a protection grid (15) wherein a first coupling element (17, 17?), attached to one end of a motor shaft (16) of the electric motor (13) and a second coupling element (23, 23?) in one portion of at least one fan wheel (14, 14?), wherein the first and second coupling elements (17, 17?, 23, 23?) are complementary to each other and have a polygonal type section, and are fixed by means of reciprocal blocking means (26, 27, 29).

Abstract: A domestic or industrial hood having a rapid attachment device for a centrifugal fan wherein an opening (13) is foreseen in the structure (12) of the hood being externally connectable to a discharge hose and adapted to receive one end (17) of a centrifugal fan (16), and wherein the opening (13) in said hood is equipped with a flange (14) for centring and housing the upper exit end (17) of the centrifugal fan (16) and also including at least one easily removable centring and attachment element (19) from a lower portion (20) of the fan (16) on the hood structure.

Abstract: A fat-removing labyrinth filter for aspirating hoods, comprising an upper shell (11) and a lower shell (12) reciprocally fitting into each other and presenting a multiple number of transversal slots (13, 14). The shells (11, 12) enclose a separating element (15) fitted with a multiple number of transversal openings (16) and a multiple number of contact points with the shells (11, 12), where the transversal openings (16) are offset with respect to the transversal slots (13, 14) so as to create at least four paths deviating the flow of air inside the space encompassed by the two shells (11, 12).

Abstract: The suction hood has an air depollution apparatus that is associated therewith and includes, inside a container that is connected to an intake grille in a downward region and to a discharge grille in an upward region, a mechanical filter, an activated-charcoal filter, suction fans that are adapted to produce a flow of air, and a collection device. The collection device includes, in succession: an electrification grid, which is supplied at a high voltage with negative polarity and is arranged on a horizontal plane that lies transversely to the container; a partition, which is arranged at an angle in front of the electrification grid so as to convey the stream of air toward at least one region that has a narrower cross-section; a negatively-charged deflector plate and a positively-charged collector plate that are arranged vertically so as to face each other at a short distance, so as to delimit the respective above- mentioned region having a narrower cross-section.

Abstract: A fume extraction device for a cook top on a frame which has at least two cooking elements is disclosed. The device is in the form of a drawer which can be raised and lowered in the frame between the cooking elements. There are two openings in the drawer facing the respective cooking elements and filters in the openings. An adjustable baffle is provided for controlling the flow through the openings and there is a further inclined filter in the drawer below the baffle. The drawer can be raised to selected positions depending on the height of fumes being generated during cooking.