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Apparatus for reducing hydrocarbon emissions and improving efficiency of vehicle internal combustion engines

Patent ·
OSTI ID:6458740
;
An apparatus is disclosed for use in a vehicle with a carbureted internal combustion engine having a vacuum inlet port and a fuel inlet port connected to a source of fuel. A heat exchanger is provided having a tank means with an inlet and an outlet, the outlet being connected to the carburetor vacuum inlet and tube means extending through the tank connected intermediate the fuel inlet port and the source of fuel. A source of hot and cold air is connected to the inlet of the heat exchanger and a control means for regulating the amount of hot and cold air entering the inlet of the heat exchanger is also provided in accordance with the temperature of the fuel in the carburetor.
Assignee:
IFI; EDB-81-086176
Patent Number(s):
US 4248197
OSTI ID:
6458740
Country of Publication:
United States
Language:
English

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Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330704* -- Emission Control-- Hydrocarbons
AIR POLLUTION ABATEMENT
CARBURETORS
CONTROL
EFFICIENCY
ENGINES
EQUIPMENT
EXHAUST GASES
FLUIDS
FUEL SYSTEMS
GASEOUS WASTES
GASES
HEAT ENGINES
HEAT EXCHANGERS
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
ORGANIC COMPOUNDS
POLLUTION ABATEMENT
POLLUTION CONTROL EQUIPMENT
TEMPERATURE CONTROL
THERMAL EFFICIENCY
WASTES