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U.S. Department of Energy
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Apparatus for treating evaporated fuel gas

Patent ·
OSTI ID:6345888
An apparatus is described for treating evaporated fuel gas from a fuel tank of a motor vehicle having an internal combustion engine. The fuel treating apparatus includes a means for sensing the amount of fuel gas vapors in the fuel tank, a means for drawing the fuel vapors into the intake of the engine and a means for varying the air/fuel ratio in the intake of the engine in response to the amount of fuel gas vapors sensed in the fuel tank by the sensing means whereby a rich air/fuel mixture in the intake of the engine is prevented.
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha
Patent Number(s):
US 4116184
OSTI ID:
6345888
Country of Publication:
United States
Language:
English