Patents by Inventor Luigi Arreghini

Luigi Arreghini has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8819959
    Abstract: The invention relates to a nozzle arrangement (6) adapted to supply at least one fluid-phase additive into a storing compartment (4) of a textiles treatment apparatus (2), in particular an exhaust air and/or condenser dryer, a refreshment apparatus or a washing machine having drying function. The nozzle arrangement comprises at least one nozzle (8), each being adapted to feed an additive; and at least one trapping device (10) adapted to trap and/or to remove liquid and/or particles leaving the at least one nozzle (8) or forming at or close to said nozzle. Further, the invention relates to an additive supply arrangement (6, 18, 20, 22, 12) adapted to supply at least one additive, comprising at least one nozzle (8), each being adapted to feed an additive; at least one additive supply source (12); and at least one fluid channel (18, 20) connecting the at least one additive supply source (12) to the at least one nozzle (8); wherein at least one fluid channel comprises at least one capillary element.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: September 2, 2014
    Assignee: Electrolux Home Products Corporation N.V.
    Inventors: Hans-Joachim Klug, Luigi Arreghini, Johannes Sierl, Thomas Loy
  • Patent number: 8272144
    Abstract: An electric household appliance (1) having a casing (2); a rotary drum (3) housing laundry to be dried and mounted for rotation about its longitudinal axis (L) inside the casing (2); a door (4) which rotates to and from a work position closing an opening (2a) in the casing (2) to close the drum (3); a hot-air generator (5) for circulating hot air inside the drum (3); a steam generator (15) for circulating a steam jet inside the drum (3); an exhaust manifold (11) communicating with the drum (3) to allow outflow of air/steam from the drum (3); and a shutter device (30) for selectively opening/closing the exhaust manifold (11) to permit /prevent free outflow of air/steam from the drum (3).
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: September 25, 2012
    Assignee: Electrolux Home Products Corporation N.V.
    Inventor: Luigi Arreghini
  • Publication number: 20100115790
    Abstract: An electric household appliance (1) having a casing (2); a rotary drum (3) housing laundry to be dried and mounted for rotation about its longitudinal axis (L) inside the casing (2); a door (4) which rotates to and from a work position closing an opening (2a) in the casing (2) to close the drum (3); a hot-air generator (5) for circulating hot air inside the drum (3); a steam generator (15) for circulating a steam jet inside the drum (3); an exhaust manifold (11) communicating with the drum (3) to allow outflow of air/steam from the drum (3); and a shutter device (30) for selectively opening/closing the exhaust manifold (11) to permit /prevent free outflow of air/steam from the drum (3).
    Type: Application
    Filed: May 13, 2008
    Publication date: May 13, 2010
    Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.
    Inventor: Luigi Arreghini
  • Publication number: 20100083532
    Abstract: The invention relates to a nozzle arrangement (6) adapted to supply at least one fluid-phase additive into a storing compartment (4) of a textiles treatment apparatus (2), in particular an exhaust air and/or condenser dryer, a refreshment apparatus or a washing machine having drying function. The nozzle arrangement comprises at least one nozzle (8), each being adapted to feed an additive; and at least one trapping device (10) adapted to trap and/or to remove liquid and/or particles leaving the at least one nozzle (8) or forming at or close to said nozzle. Further, the invention relates to an additive supply arrangement (6, 18, 20, 22, 12) adapted to supply at least one additive, comprising at least one nozzle (8), each being adapted to feed an additive; at least one additive supply source (12); and at least one fluid channel (18, 20) connecting the at least one additive supply source (12) to the at least one nozzle (8); wherein at least one fluid channel comprises at least one capillary element.
    Type: Application
    Filed: November 5, 2007
    Publication date: April 8, 2010
    Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.
    Inventors: Hans-Joachim Klug, Luigi Arreghini, Johannes Sierl, Thomas Loy
  • Patent number: 5606878
    Abstract: A clothes washing machine is provided with a tank (2) for the recovery of liquids and a transfer conduit (3) which, by way of a first pump (4) disposed in the conduit, connects the lower portion of the tub (1) to the tank. The lower volume of the tank is connected by way of a suitable conduit (6) and a second pump (7) to a nozzle (8) that discharges into the hydraulic circuit (9) that feeds containers (10) for substances for the washing operation. The machine has one or more of the following properties. The feed pump (7) for the hydraulic distributor (9) and the feed pump (12) for the condenser (11) are replaced by a single pump (17) and by a two-way directional control valve (18) which alternatively feeds respective conduits that feed into the hydraulic distributor and into the condenser. The discharge pump (20) and the transfer pump (4) are replaced by a single pump followed by a further directional control valve (21) which alternatively feeds the transfer conduit or the discharge.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: March 4, 1997
    Assignee: Electrolux Zanussi Elettrodomestici S.p.A.
    Inventors: Luigi Arreghini, Silvano Cimetta
  • Patent number: 4757699
    Abstract: A laundry washing machine includes a wash tub, a basket for receiving laundry and mounted for rotation within the wash tub, a recirculating duct extending from the bottom of the wash tub to an upper portion thereof, and a pump for recirculating the washing liquid through the duct from the bottom of the wash tub to the upper portion thereof. A housing is attached to the top of the wash tub to define a chamber, and the duct extends into the housing such that the washing liquid pumped by the pump through the duct is discharged into the chamber. Heater elements are located within the chamber to thereby heat the washing liquid discharged into the chamber. The interior of the chamber communicates with the interior of the wash tub through an overflow weir. The machine further may include an air drying circuit whereby air is recirculated through an air duct by means of a fan from the bottom of the wash tub to the chamber, wherein the recirculated air is heated by the heating elements.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: July 19, 1988
    Assignee: Industrie Zanussi S.p.A.
    Inventors: Luigi Arreghini, Piero Durazzani