Internal-combustion engines – Charge forming device – Supercharger
Patent
1993-01-22
1994-02-08
Bertsch, Richard A.
Internal-combustion engines
Charge forming device
Supercharger
606051, F02B 3300
Patent
active
052841235
ABSTRACT:
A pressure wave supercharger includes a fixed cellular member having an array of parallel longitudinal cells. A segmented impeller fan at a first open end of the cells alternates the cells from being in fluid communication with a supply of fresh air and being in communication with an intake manifold of an internal combustion engine. At the opposite open end of the cells, a segmented turbine fan alternates the cells from being in communication with a supply of exhaust gases and being in communication with a path to the atmosphere. The walls of the cells are coated with a catalytic material, so that the cellular member acts as a catalytic converter substrate. The collision of the exhaust gas with fresh air within the cells and the sonic and positive-pressure pulses compress the fresh air while reversing its direction of flow, whereafter the air is channeled to the engine. The exhaust gases are likewise reversed in direction, expanded, reduced in noise and toxins, and then released into the atmosphere. The impeller fan carries axial flow of fresh air into the substrate cells and radial outflow of compressed air to the engine, while the turbine fan accepts radial inflow of exhaust gas from the engine and carries axial outflow of converted gases from the substrate cells to the atmosphere.
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Bertsch Richard A.
Freay Charles G.
Pulso Catalytic Superchargers
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