Month in the Patent Office

J. Lucas, Ltd. and R. J. Ifield. Dec. 27, 1945, No. 34,919. The flow of liquid fuel from a variable delivery pump to the nozzle in a combustion chamber of a prime mover is controlled by passing the fuel through a valve and a variable orifice, regulating the pump delivery by the pressure drop set up across the orifice and varying the orifice in response to air blower pressure, and controlling the valve by manually adjustable and temperature‐responsive means.