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

Supercharging system for automotive engines

Patent ·
OSTI ID:5057205
A supercharging system for an automotive engine is described comprising: a turbocharger driven by exhaust-gas of the engine; a supercharger; an intake passage connecting the turbocharger and the supercharger in series, for supplying air to the engine; driving means for driving the supercharger by the engine; clutch means provided in the driving means; a first bypass provided around the supercharger; a control valve provided in the first bypass; a second bypass provided around the turbine of the turbocharger; a waste gate valve provided in the second bypass; a first actuator for operating the control valve; a second actuator for operating the waste gate valve; first means for operating the second actuator to open the waste gate valve when supercharging pressure exceeds a predetermined value; an engine speed sensor for detecting speed of the engine; an engine load sensor for detecting load on the engine; and a control unit.
Assignee:
Fuji Jukogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4730457
OSTI ID:
5057205
Country of Publication:
United States
Language:
English