Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1986-10-27
1989-04-04
Husar, Stephen F.
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
60600, F02B 3344
Patent
active
048173878
ABSTRACT:
Turbocharger or supercharger for an internal combustion engine, which includes an exhaust turbine in the engine exhaust gas stream and a compressor in the fuel/air mixture stream between the fuel/air source and the intake manifold for boosting the intake manifold pressure; a dedicated recirculation loop connecting the compressor output with its input and a recirculation control valve disposed in the recirculation loop for controlling the amount of airlfow in the recirculation loop. The recirculation control valve is linked to the engine power control linkage such that at high power, the recirculation is blocked while at low power the recirculation is unrestricted. As a result, at low power the turbine and compressor is kept running at a relatively high RPM due to the recirculation loop being open, and at suddenly increased power demand, power boost is immediately available without turbo lag due to the closing of the recirculation loop. A waste-gate may be provided in the exhaust manifold for protecting the turbine against overload. Instead of a waste-gate, the recirculation valve may be combined with an engine power sensor coupled jointly with the engine power control linkage to prevent engine overloading by maintaining circulation in the recirculation loop.
REFERENCES:
patent: 3651636 (1972-03-01), Glassey et al.
patent: 4150545 (1979-04-01), Yamazaki
patent: 4222240 (1980-09-01), Castellano
patent: 4227372 (1980-10-01), Kakimoto et al.
patent: 4387573 (1983-06-01), Parker
patent: 4512153 (1985-04-01), Kawabata et al.
patent: 4565178 (1986-01-01), Nagase et al.
Hamilton C. Forman, Trustee
Husar Stephen F.
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