Patents by Inventor Raffaele MALUTTA

Raffaele MALUTTA 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).

  • Yankee drying hood arrangement, a Yankee drying cylinder fitted with a Yankee drying hood arrangement and a method of drying a fibrous web
    Patent number: 11268240
    Abstract: The invention relates to a Yankee drying hood arrangement (1) which has a first temperature main supply conduit (9, 9?) for a fluid such as hot air, or hot air and steam and/or water vapour, at a first temperature T1 and a second temperature main supply conduits (10, 10?) for a fluid such as hot air, or hot air and steam and/or water vapour, at a second temperature T2 which is not the same as T1, the first temperature and second temperature main supply conduits (9, 9?, 10, 10?) being in communication with the distributor conduits (8) such that a fluid such as hot air can stream from the first temperature and second temperature main supply conduits (9, 9?, 10, 10?) to the distributor conduits (8), wherein at least one distributor conduit (8) is provided with damper means (31) for changing the ratio between amount of fluid at temperature T1 from the first temperature main conduit and the amount of fluid at temperature T2 from the second temperature main conduit that streams into the distributor conduit.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: March 8, 2022
    Assignee: VALMET AB
    Inventors: Olli Saikkonen, Luca Moscatelli, Klavdij Lasic, Raffaele Malutta, Michele Durisotti, Lorenzo Simeoni
  • A YANKEE DRYING HOOD ARRANGEMENT, A YANKEE DRYING CYLINDER FITTED WITH A YANKEE DRYING HOOD ARRANGEMENT AND A METHOD OF DRYING A FIBROUS WEB
    Publication number: 20220042244
    Abstract: The invention relates to a Yankee drying hood arrangement (1) which has a first temperature main supply conduit (9, 9?) for a fluid such as hot air, or hot air and steam and/or water vapour, at a first temperature T1 and a second temperature main supply conduits (10, 10?) for a fluid such as hot air, or hot air and steam and/or water vapour, at a second temperature T2 which is not the same as T1, the first temperature and second temperature main supply conduits (9, 9?, 10, 10?) being in communication with the distributor conduits (8) such that a fluid such as hot air can stream from the first temperature and second temperature main supply conduits (9, 9?, 10, 10?) to the distributor conduits (8), wherein at least one distributor conduit (8) is provided with damper means (31) for changing the ratio between amount of fluid at temperature T1 from the first temperature main conduit and the amount of fluid at temperature T2 from the second temperature main conduit that streams into the distributor conduit.
    Type: Application
    Filed: January 15, 2020
    Publication date: February 10, 2022
    Inventors: Olli SAIKKONEN, Luca MOSCATELLI, Klavdij LASIC, Raffaele MALUTTA, Michele DURISOTTI, Lorenzo SIMEONI