Variable flow rate turbocharger

Details Variable flow rate turbocharger Variable flow rate turbocharger

1981-08-10

1983-09-27

Hart, Douglas

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

415147, 415185, 415DIG1, F02D 2300

Patent

active

044061250

ABSTRACT:
A supercharger has a high pressure engine exhaust gas passage, a control gas duct communicating with the high pressure passage and a valve for opening and closing communication between the high pressure passage and the control gas duct. A turbine rotor is mounted at one end of driveshaft; a compressor rotor is mounted at the opposite axial end. Air at ambient conditions is admitted to the compressor rotor which is driven through the driveshaft from the turbine. The air is compressed and pumped into the intake manifold of a spark ignition engine. The valve operates to increase the flow rate of control gas at low engine speeds and to decrease the flow rate of control gas at high engine speeds. The control gas enters the mainstream of exhaust gas that flows in the turbine inlet duct thus restricting the area of the inlet duct when engine speed is low and increasing the exhaust gas flow rate when engine speed is high.

REFERENCES:
patent: 2825532 (1958-03-01), Kadosch
patent: 2957306 (1960-10-01), Attinello
patent: 3270495 (1966-09-01), Connor
patent: 3557549 (1971-01-01), Webster
patent: 3726604 (1973-04-01), Helms

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