Patent References 424617 2371428 2470742 2601777 2638784 3365932 3701280 3818877 Electronic carburetion system for low exhaust emissions of internal combustion engines Intake air density sensor for an internal combustion engine InventorAssigneeApplicationNo. 670367 filed on 03/14/1991US Classes:431/12, Controlling or proportioning feed73/30.02, By pressure measurement431/90Sensor of one feed controls another feedExaminersPrimary: Price, Carl D.Attorney, Agent or FirmForeign Patent References
International ClassesF23N 001/02F23N 003/00 G01N 009/32 Foreign Application Priority Data1988-04-16 DEAbstractA method for reducing the effect of disturbances, affecting the combustion of a fan burner system, including an arrangement for measuring the relative change of density of a gas as a function of its pressure and of its temperature and/or measuring a relative mass flow change of the gas as the function, at an at least nearly constant volume flow of the gas.Other References
Field of SearchControlling or proportioning feedBy sensing of gas leakage, flashback or escaped flame Of diverse feed or feed rate in starting, e.g., enriching fuel mixture in starting, etc. By condition of burner feed or feed means Sensor of one feed controls another feed Density or specific gravity By pressure measurement SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID One inflow supplements another Having specific transducer Expanding fluid Pressure- and temperature-actuated valves associated with carburetors | |