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U.S. Department of Energy
Office of Scientific and Technical Information

Evaporated fuel vapor control device for use in an internal combustion engine

Patent ·
OSTI ID:5593498
Disclosed is an internal combustion engine having a charcoal canister. The float chamber of the carburetor is connected to the canister via an evaporated fuel vapor passage. The carburetor has therein a slow fuel passage connected to the slow port which opens into the intake passage of the engine. The slow fuel passage is opened and, at the same time, the evaporated fuel vapor passage is closed by means of a single electromagnetic valve when the ignition switch is turned to the on condition.
Assignee:
Toyota Jidosha Kogyo K K (Japan)
Patent Number(s):
US 4191154
OSTI ID:
5593498
Country of Publication:
United States
Language:
English