Internal combustion engine with modified and controlled exhaust

Claim 1

An internal combustion engine assembly, comprising, in combination: an internal combustion engine including a combustion chamber, a fuel passageway for admitting a mixture of hydrocarbon fuel and oxygen into said chamber, means for igniting said mixture, and an outlet from the chamber for the products of combustion; a container adjacent to the combstion chamber outlet having an inlet and an outlet, and containing a quantity of activated carbon; an outlet passageway in communication with the combustion chamber outlet and the container inlet for channeling the products of combustion from said chamber and into the container; a metal screen extending transversely of the outlet passageway in close proximity with the combustion chamber outlet and through which the products of combustion must pass to enter said comtainer; an exhaust passageway in communication with the container outlet and with the fuel passageway at a juncture; means in the exhaust passageway for venting at least a portion of the products of combustion into the atmosphere; a condenser housing in the exhaust passageway having an inlet in communication with the container outlet and an outlet in communication with the fuel passageway; a plurality of spaced baffle plates in the condenser housing; a cooling coil within the condenser housing; and means in the housing for washing the surfaces of said plates.