Patents by Inventor Jussi Nyman

Jussi Nyman 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).

  • Chemical recovery boiler
    Patent number: 10260744
    Abstract: A chemical recovery boiler (100), including a furnace (1), comprising a front wall (2), a back wall (3), and the back wall (3) comprising a nose arch (4). The boiler further comprises at least one superheater (5) arranged in upper part of the furnace (1), and a screen pipe system (6), comprising an obliquely arranged screen pipe section (7) positioned before/under the at least one superheater (5) in the furnace (1). The obliquely arranged screen pipe section (7) comprises screen pipes (8) ascending (i) either from the front wall (2) to the back wall (3), and arranged to turn back in a turn (13) from the back wall (3) and extend obliquely upwards from the back wall (3), or (ii) from the back wall (3) to the front wall (2), and arranged to turn back in a turn (13) from the front wall (2) and extend obliquely upwards from the front wall (2). The screen pipe system (6) further comprises a vertically arranged screen pipe section (9) extending from the obliquely arranged screen pipe section (7).
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: April 16, 2019
    Assignee: Valmet Technologies Oy
    Inventors: Jussi Nyman, Taisto Rajala, Ari Saarela
  • Arrangement and method in soda recovery boiler
    Patent number: 10119700
    Abstract: An arrangement and a method in a soda recovery boiler. The soda recovery boiler comprises a second pass which is provided with at least one superheater and a second pass ash hopper, a front and/or rear wall of the ash hopper being connected to steam circulation of the soda recovery boiler.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: November 6, 2018
    Assignee: Valmet Technologies Oy
    Inventors: Jussi Nyman, Kari Haaga, Taisto Rajala
  • CHEMICAL RECOVERY BOILER
    Publication number: 20180180284
    Abstract: A chemical recovery boiler (100), including a furnace (1), comprising a front wall (2), a back wall (3), and the back wall (3) comprising a nose arch (4). The boiler further comprises at least one superheater (5) arranged in upper part of the furnace (1), and a screen pipe system (6), comprising an obliquely arranged screen pipe section (7) positioned before/under the at least one superheater (5) in the furnace (1). The obliquely arranged screen pipe section (7) comprises screen pipes (8) ascending (i) either from the front wall (2) to the back wall (3), and arranged to turn back in a turn (13) from the back wall (3) and extend obliquely upwards from the back wall (3), or (ii) from the back wall (3) to the front wall (2), and arranged to turn back in a turn (13) from the front wall (2) and extend obliquely upwards from the front wall (2). The screen pipe system (6) further comprises a vertically arranged screen pipe section (9) extending from the obliquely arranged screen pipe section (7).
    Type: Application
    Filed: December 5, 2017
    Publication date: June 28, 2018
    Inventors: Jussi Nyman, Taisto Rajala, Ari Saarela
  • ARRANGEMENT AND METHOD IN SODA RECOVERY BOILER
    Publication number: 20160097528
    Abstract: An arrangement and a method in a soda recovery boiler. The soda recovery boiler comprises a second pass which is provided with at least one superheater and a second pass ash hopper, a front and/or rear wall of the ash hopper being connected to steam circulation of the soda recovery boiler.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 7, 2016
    Inventors: Jussi Nyman, Kari Haaga, Taisto Rajala