Anti pollution and fuel economy device and method for an internal combustion engine

Patent · Tue Jun 15 00:00:00 EDT 1993

OSTI ID:6215812

Brana, B V

A liquid fuel preheating retrofit assembly for reducing exhaust pollutants and increasing fuel economy in an internal combustion engine is described, the assembly comprising: (a) fuel heating mean including electrical heat producing means and a preheating zone having an inlet and outlet, (b) valve means for directing liquid fuel from a first flow path which extends from a liquid fuel supply to a fuel-air mixing device of an internal combustion engine into a second flow path through the heating means, and including means for disposing the valve means in the first flow path, (c) means for controlling the volume of liquid fuel flow through the heating means at a location between the inlet and outlet of the preheating zone, (d) the electrical heat producing means being effective to heat the liquid fuel as it moves along the second flow path through the preheating zone, (e) sensor means for sensing the temperature of liquid fuel as it exits the preheating zone outlet, and (f) electrical means connecting the sensor means to the electrical heat producing means for maintaining a continuous flow of the liquid fuel at a preselected temperature sufficient to expand the liquid fuel by a desired amount effective to achieve a fuel combustion in an internal combustion engine without vaporizing the liquid fuel before entering the fuel-air mixing device for the engine.

• Assignee: IMS; EDB-93-097479
• Patent Number(s): US 5219399; A
• Application Number: PPN: US 7-816392
• OSTI ID: 6215812
• Resource Relation: Patent File Date: 27 Dec 1991
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
INTERNAL COMBUSTION ENGINES
FUEL FEEDING SYSTEMS
POLLUTION CONTROL EQUIPMENT
FUEL CONSUMPTION
LIQUID FUELS
TEMPERATURE DEPENDENCE
TEMPERATURE MEASUREMENT
ENERGY CONSUMPTION
ENGINES
EQUIPMENT
FUEL SYSTEMS
FUELS
HEAT ENGINES
330700* - Advanced Propulsion Systems- Emission Control