Internal-combustion engines – Charge forming device – Supercharger
Patent
1986-04-22
1987-05-05
Husar, Stephen F.
Internal-combustion engines
Charge forming device
Supercharger
417 64, F02B 3342
Patent
active
046623426
ABSTRACT:
In the high pressure exhaust gas duct of a pressure wave supercharger, a rotary valve is supported in the region where the gas pocket supply branches off from the high pressure exhaust gas duct, the angular position of the rotary valve being controlled either in steps or steplessly by one or more parameters typical of the pressure wave process and, if necessary, of the engine working process or the engine operating condition. Depending on the operating condition, the rotary valve closes the high pressure exhaust gas duct and the gas pocket supply duct completely or partially. Control is preferably carried out by a step motor with characteristics control by an in-process computer.
REFERENCES:
patent: 4488532 (1984-12-01), Mayer
Altmann Karel
Mayer Andreas
Perevuznik Josef
BBC Brown Boveri & Company Limited
Husar Stephen F.
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