Patents by Inventor Jan .ANG.. Alpqvist

Jan .ANG.. Alpqvist 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).

  • Combustion device for combustion of a gaseous fuel
    Patent number: 4676736
    Abstract: A combustion device for combustion of a gaseous fuel with air is provided with means for supplying gas automatically at a mass flow rate corresponding to a mass flow of air governed by the demand of heat. The gas is supplied at a pressure slightly above atmospheric pressure to an ejector using preheated primary air as a carrying medium. The ejector is mounted in a flow path in series with and after a blower, a recuperative preheater and a swirl device but prior to a system of heater tubes and the exhaust passages of the preheater.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: June 30, 1987
    Assignee: Gas Research Institute
    Inventor: Jan .ANG.. Alpqvist