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

Internal combustion engine having a mechanical supercharger

Patent ·
OSTI ID:5802660
An internal combustion engine is described including a mechanical supercharger, which is connected to a crankshaft of the engine via a clutch and selectively turned ON or OFF by controlling the clutch. The engine comprises means for detecting a revolutional speed of the engine, means for detecting a load of the engine, means for detecting the ON/OFF condition of the mechanical supercharger, and a control means for changing the mechanical supercharger, and a control means for changing the mechanical supercharger from an OFF to an ON condition only when the engine is running at a speed that is not more than a first predetermined engine revolutional speed and at a load that is not less than a first predetermined engine load, and changing the supercharger from an ON to an OFF condition only when the engine is running at a speed lower than a second predetermined engine revolutional speed and at a load lower than a second predetermined engine load.
Assignee:
Toyota Jidosha Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4708119
OSTI ID:
5802660
Country of Publication:
United States
Language:
English