Supercharging system for an internal combustion engine

Patent · Tue Sep 29 04:00:00 EDT 1987

OSTI ID:5832020

Bucher, J

This patent describes a supercharging control system for an internal combustion engine (ICE) having an exhaust gas turbine driven by exhaust gases from the ICE; a main air compressor driven by the exhaust gas turbine and providing compressed air to an inlet manifold of the ICE, an auxiliary air compressor driven by rotary power derived from the ICE to provide additional air to the main compressor; a controlled clutch drivingly connected to the auxiliary compressor and the ICE to selectively establish or disconnect rotary drive power between the ICE and the auxiliary compressor; fuel quantity sensing means for sensing quantity of fuel being supplied to the ICE and providing a fuel quantity signal; air pressure sensing means coupled to an air inlet of the ICE for sensing charging air pressure and providing an air pressure signal; and comprising; a memory and controller coupled to control, selectively, establishment and disconnection of the rotary drive power between the ICE and the auxiliary compressor, and wherein the memory and controller is coupled to receive the air pressure signal and the fuel quantity signal and storing the relationship between air supply pressure and fuel quantity for desired performance of the ICE; the memory and controller provides an output signal coupled to and controlling the controlled clutch to obtain the desired performance; and wherein the main compressor comprises a centrifugal compressor including nozzles positioned about the outer circumference of a chamber within which rotary blades of the centrifugal compressor operate. The nozzles receive compressed air from the auxiliary compressor and are oriented to apply additional drive power to the main compressor.

• Assignee: M.A.N.-B and W Diesel GmbH, Augsburg
• Patent Number(s): US 4696165
• OSTI ID: 5832020
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR
AIR FLOW
CENTRIFUGES
COMPRESSED AIR
COMPRESSED GASES
COMPRESSORS
COMPUTERIZED CONTROL SYSTEMS
CONCENTRATORS
CONTROL
CONTROL EQUIPMENT
CONTROL SYSTEMS
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
EXHAUST SYSTEMS
FINS
FLUID FLOW
FLUIDS
FUEL SYSTEMS
FUEL-AIR RATIO
GAS FLOW
GAS TURBINES
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINERY
MEMORY DEVICES
NOZZLES
OPERATION
PRESSURE CONTROL
PRESSURE MEASUREMENT
SIGNALS
SUPERCHARGERS
TURBINES
TURBOMACHINERY
VOLUME
WASTES