Patents Assigned to Osby, Varme AB
  • Hot water or steam boiler
    Patent number: 4171685
    Abstract: Hot water or steam boiler comprising a furnace section and a convection section in which the furnace section is limited by a wall section formed of liquid or steam tubes placed side by side, said tubes being arranged transversal to the flue gas flow and at fixed interrelated distances to form slots allowing passage of gas or steam.
    Type: Grant
    Filed: November 22, 1977
    Date of Patent: October 23, 1979
    Assignee: Osby Varme AB
    Inventor: Finn U. Ek
  • Hot water or steam boiler
    Patent number: 4123995
    Abstract: Hot water or steam boiler comprising a furnace section and a convection section in which the furnace section is limited by a wall section formed of liquid or steam tubes placed side by side, while the convection section has a number of liquid or steam chambers communicating with said liquid or steam tubes, through the which chambers there run flue gas tubes communicating with said furnace section through flue gas chambers and sealed off from the fluid or steam chamber.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: November 7, 1978
    Assignee: Osby, Varme AB
    Inventor: Finn U. Ek