Patents Assigned to Pulsonex AB
  • Patent number: 5189989
    Abstract: Pulsatory burner which is mounted in the water room (12) of a hot water boiler comprising a combustion chamber (14) with a neck (17) provided as an air inlet, and a nonreturn valve (18) controlling the air flow through the air inlet to the combustion chamber. An outlet (40, 41) for hot water from the water room (12) is provided around the neck (17) for the cooling thereof.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: March 2, 1993
    Assignee: Pulsonex AB
    Inventors: Jan Nilsson, Stefan Lundberg