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

Air/fuel ratio control device for a carburetor

Patent ·
OSTI ID:5856560
A fuel supply system for a carburetor of an engine is described which consists of: a sealed float chamber; fuel inlet means to the float chamber for supplying fuel thereto; fuel jet passage means for delivering fuel from the float chamber for carburetion; an air vent passage from the float chamber; a control valve in the vent passage; and a valve controller responsive to a selected level of engine intake vacuum to close the control valve.
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4574755
OSTI ID:
5856560
Country of Publication:
United States
Language:
English