Draft Regulator Patents (Class 110/123)
  • Patent number: 6394008
    Abstract: A splitter plate arrangement is provided for controlling the flow of flue gas in a vertical stack. The splitter plate arrangement 100 is operable to control the flow of flue gas in a vertical stack 128 having an annular entry 130 communicated with two inlets 126A, 126B which each communicate a respective one of the flue gas producers with the vertical stack 128. The inlets 126A, 126B are both disposed on a common inlet axis which bisects the annular entry 130 into two bisected halves, the two inlets 126A, 126B are oriented in opposition to one another such that the inlet flow 132 of flue gas through the inlet 126A flows in a direction opposite to the inlet flow 134 of flue gas through the inlet 126B. The splitter plate arrangement 100 includes a first splitter plate 136 and a second splitter plate 138.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: May 28, 2002
    Assignee: ALSTOM (Switzerland) Ltd
    Inventors: Wesley P. Bauver, II, Matthew J. Dooley, Bernard H. Walsh
  • Patent number: 4562777
    Abstract: A heat generator comprising a fuel supply chamber (7a), having at its lower end an inwardly tapered section (12), comprising at its lower end a burner plate (14) with mixing strips (33) and a combustion pipe (20), said tapered section (12) being provided with apertures (8) for primary air in its upper part, apertures (13) for secondary air at a level just above the level of the burner plate (14) and apertures (22) for tertiary air at a level just below the level of the burner plate (14) at the level of mixing strips (33). Preferably all air supplies are preheated. The combustion pipe (20) stands in closed connection with an outlet-pipe, preferably provided with an adjustable ventilator.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: January 7, 1986
    Inventor: Eduard T. J. van der Voort
  • Patent number: D927438
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: August 10, 2021
    Inventor: Marc Fossion