By Pressure Responsive Means (e.g., To Sump Or Atmosphere) Patents (Class 239/126)
  • Atomizers
    Patent number: 3993247
    Abstract: A recirculating type atomizer which has a body, a discharge orifice in one end of the body and a lance, movable in the body having a tip for closing the discharge orifice, is provided with electrical circuit means for indicating when the orifice is closed. The circuit means is formed in part by the body and the lance, the rear end of the lance being electrically insulating from the body so that the circuit means is only completed when the tip of the lance closes the orifice.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: November 23, 1976
    Assignee: Clarke Chapman Limited
    Inventor: Terence Tyler
  • Multi fluid injectors
    Patent number: 3985301
    Abstract: The invention comprehends a fluid injector comprising a liquid supply path to discharge passage means, a liquid return path for liquid supplied through the liquid supply path but not discharged through the discharge passage means, and a gaseous supply path to the discharge passage means and having a region in common with the liquid supply path, by which effecting a variation as between the liquid and gaseous pressures in said region will result in variation in the discharge of liquid from the fluid injector.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: October 12, 1976
    Assignee: Spectus Oil Burner, Ltd.
    Inventor: David Tindall