Pressure Responsive Means Controls Oil Burner Patents (Class 236/26E)
  • Low fire light-off apparatus
    Patent number: 3934557
    Abstract: A control rod driven in correspondence with another regulating device may be independently extended to different positions corresponding to a selected condition while the other control arm remains at a fixed length and moves in correspondence with the driving means.
    Type: Grant
    Filed: October 1, 1974
    Date of Patent: January 27, 1976
    Assignee: Forney Engineering Company
    Inventors: John W. Dirriwachter, Robert J. Kelly