Patents by Inventor Antero Heinävaara

Antero Heinävaara 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).

  • Method for measuring properties of the stack and the corrosion of materials in a soda recovery unit
    Patent number: 6365035
    Abstract: The invention relates to a method for measuring the properties of a stack (15) that viscous molten salt forms on the bottom of a soda recovery unit (14) while black liquor is burned therein, and for measuring the corrosion of the materials of construction of the unit (14) during the operation thereof. In the method, at least one sensor means (11) is brought into contact with said stack (15), this sensor means (11) being electrically insulated from the soda recovery unit (14). In the method, at least some electrochemical properties and the temperature of said stack (15) are measured with this sensor means (11). The data measured with this sensor means (11) are fed to a measuring and data acquisition unit (12), and said measuring and data acquisition unit (12) is controlled by a control unit (13).
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: April 2, 2002
    Assignee: Savcor Consulting Oy
    Inventors: Martti Pulliainen, Timo Laurila, Arttu Laitinen, Antero Heinävaara