The application relates according to one embodiment to an air filter for grease filtering. The filter includes a filter mounting element for installing the filter in connection with an intake opening of an air ventilation duct, at least one mechanical separation element for separating solid impurities from flowing air, and a UV source mounting element capable of being fitted with a UV source for generating UV light. The UV light and a catalyst coating present inside the filter are adapted to transform the physical state of grease flowing into the ventilation duct along with the airflow.

Example embodiments of the described technology provide an exhaust hood for removing effluent plumes produced by cooking activity. The exhaust hood may comprise an exhaust fan operable to create a region of negative pressure beneath the exhaust hood for drawing air entraining the effluent plumes into the exhaust hood. The exhaust hood may also comprise one or more plenum chambers in fluid communication with the exhaust fan. The exhaust hood may also comprise one or more orifices in fluid communication with the one or more plenum chambers, the orifices located along a front edge of the exhaust hood. The exhaust hood may also comprise a filter for cleaning the air drawn into the exhaust hood such that air entraining the effluent plumes drawn into the exhaust hood by the exhaust fan is drawn through the filter to yield cleaned air. The exhaust hood may deliver at least a portion of the cleaned air into the one or more plenum chambers. The orifices may be configured to eject the portion of the cleaned air as one or more jets arranged to provide an air curtain.

A range hood having an internal circulation filter for cooking fumes comprises a back cover (1). A suction block (2) is provided inside the back cover (1), and a blower (3) provided inside the suction block (2) is used to achieve adsorption of cooking fumes. The back cover (1) is further provided with a filtration device (4) in communication with an air outlet of the blower (3), and used to filter the cooking fumes. An internal circulation block (5) is connected and sealed to an air outlet end of the filtration device (4), so as to achieve internal circulation of filtered gasses. The range hood having an internal circulation filter for cooking fumes features a simple structure, and extends the service life of a range hood. The invention effectively absorbs excess heat in a kitchen, thereby lowering the internal ambient temperature of the kitchen.

The invention relates to an extractor fan apparatus for extracting cooking vapours downwards. The extractor fan apparatus comprises at least one fan for aspirating the cooking vapours, an inflow opening for the entry of the cooking vapours into the extractor fan apparatus, a filter seat which is arranged downstream of the at least one fan and on which at least one filter for filtering the cooking vapours can be arranged, and a filter replacement space which extends between the inflow opening and the at least one filter seat, the filter replacement space being configured for the reversible removal of the at least one filter from the filter seat through the inflow opening.

A recirculation grill that includes a cooktop supported by a stationary frame. The grill includes an intake aperture defining a plurality of slats configured for receiving smoke from the cooktop; a waste tray compartment connected to the trough for receiving waste and grease and having a drawer for removing and cleaning; an interior plenum configured to create a vacuum force to pull air and smoke from the cooktop into the intake aperture; a diffuser positioned over the trash compartment and extending downwardly and outwardly; a tunnel configured to receive air flow from the plenum; and a blower housing enclosing a blower fan configured for pulling air and smoke from the cooktop into the intake aperture and through the plenum. The intake aperture, the plenum, and the blower are configured to achieve 100% visible smoke capture.

An oven comprises a cooking volume and a fluid inlet in fluid connection with the cooking volume for ingress of fluid into the cooking volume. The oven also comprises an outlet conduit in fluid communication with the cooking volume for egress of gas from the cooking volume. The oven further includes a hydrophobic filter in the outlet conduit configured to capture moisture from a flow of fluid egressing from the cooking volume.

An electric grill with a filtration system for filtering the fumes released from food cooked using an electric resistance acting as a heat source. The heat source is disposed below the grilling grate which extend in a horizontal plane. The grilling grate including an electric air extractor fan which removes the fumes released during cooking. The filtration system extends on the grilling grate and below the electric air extractor fan. The filtration system includes at least one metal mesh with an activated carbon filter contained in a slidable holding drawer. The drawer comprises a lower frame and an upper frame cover having pairs of quadrangular openings covered by respective metal meshes. An activated carbon sheet extends between them. The electric air extractor fan directs the purified air outside through a crowning of holes (32) defined in an upper chimney (21).

A filter unit for an extractor hood includes a housing and an electric contact element arranged on a wall of the housing such as to be accessible from outside. Accommodated in the housing are an ionization unit and a separation unit which is mounted in the housing downstream of the ionization unit in a direction of flow.

A commercial cooking equipment exhaust hood system includes a hood structure including an inlet opening to an exhaust flow path through the hood. A filter unit is positioned along the exhaust flow path. An electrostatic precipitator unit is downstream of the filter unit. The electrostatic precipitator includes an ionizing section upstream of a collecting section. The ionizing section includes a plurality of ionizing flow paths having side profile patterns that vary in width between at least one wide section and at least one narrow section. The collecting section includes a plurality of collecting flow paths with side profile patterns of substantially uniform width and a repeating undulating side profile pattern. A UV light source may also be provided within the hood, with a controller operatively connected to control the UV light source via a dimmer to enable selective production various UV levels.

A combination appliance includes a hob including a cooking module and having a suction opening, and a fume extraction device located, at least in part, below the cooking module. The fume extraction device includes a blower located below the suction opening and having an air inlet opening, and a filter unit located at the suction opening and having a grease filter. The fume extraction device includes a separating plate which separates the filter unit from the blower located below the filter unit.