Inlet turbine powered exhaust extractor for internal combustion engines
Patent
·
OSTI ID:6511647
A four-cycle internal combustion engine is provided with apparatus comprising a turbine in the inlet air flow path and an extracting compressor in the exhaust gas path. Where the internal combustion engine is an automobile engine and is operating under normal cruising conditions, the manifold inlet pressure is substantially less than atmospheric pressure and incoming air drives the inlet turbine to in turn drive the compressor. The arrangement is such that the inlet air is isentropically expanded while the exhaust gas back pressure is decreased. As a consequence, the energy of compression is reduced and the overall operating temperature of the internal combustion cycle is lowered with the result that more power is delivered for a given quantity of fuel.
- Assignee:
- EDB-84-176301
- Patent Number(s):
- US 4439983
- OSTI ID:
- 6511647
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330700* -- Advanced Propulsion Systems-- Emission Control
AIR FLOW
COMPRESSIBLE FLOW
COMPRESSORS
CONTROL
ENGINES
EXHAUST GASES
EXHAUST SYSTEMS
FLUID FLOW
FLUIDS
FUEL ECONOMY
GAS FLOW
GASEOUS WASTES
GASES
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MACHINERY
MECHANICAL STRUCTURES
OTTO CYCLE
OUTLET STRUCTURES
POWER
PRESSURE DROP
PRESSURE GRADIENTS
PROCESS CONTROL
TEMPERATURE GRADIENTS
THERMODYNAMIC CYCLES
TURBINES
TURBOMACHINERY
WASTES
330100 -- Internal Combustion Engines
330700* -- Advanced Propulsion Systems-- Emission Control
AIR FLOW
COMPRESSIBLE FLOW
COMPRESSORS
CONTROL
ENGINES
EXHAUST GASES
EXHAUST SYSTEMS
FLUID FLOW
FLUIDS
FUEL ECONOMY
GAS FLOW
GASEOUS WASTES
GASES
HEAT ENGINES
INTAKE STRUCTURES
INTERNAL COMBUSTION ENGINES
MACHINERY
MECHANICAL STRUCTURES
OTTO CYCLE
OUTLET STRUCTURES
POWER
PRESSURE DROP
PRESSURE GRADIENTS
PROCESS CONTROL
TEMPERATURE GRADIENTS
THERMODYNAMIC CYCLES
TURBINES
TURBOMACHINERY
WASTES