Patent 7338543 was granted and assigned to Denso on March, 2008 by the United States Patent and Trademark Office.
A static mixer includes a plurality of mixing elements disposed parallel to each other and arrayed annularly to define an inner cylindrical space surrounded by these mixing elements. Each mixing element has stationary vanes disposed in a circular passage. A blower supplying the air to the static mixer is entirely or partly accommodated and fixed in the inner cylindrical space of the static mixer. The static mixer and the blower are disposed parallel to each other. The overall length of the fuel mixture generating apparatus can be shortened.