Boots – shoes – and leggings
Patent
1981-05-28
1984-10-16
Gruber, Felix D.
Boots, shoes, and leggings
60603, 60605, 123559, 36443106, F02B 3712, F02D 2302
Patent
active
044778759
ABSTRACT:
A system for controlling an exhaust gas-driven supercharger used in an internal combustion engine for an automotive vehicle includes an exhaust gas bypass passage connecting between selected portions of the exhaust gas conduit upstream and downstream of a turbine of the supercharger, and an exhaust bypass valve disposed midway of the exhaust gas bypass passage for controlling the quantity of engine exhaust gases. In the supercharger control system, an actuator responsive to a digital control signal is employed for actuating the exhaust bypass valve. A microcomputer calculates the opening of the exhaust bypass valve so that the supercharged air pressure may not exceed the critical point giving rise to knocking, and such a digital control output signal is applied to energize the actuator so that the supercharged air pressure can be controlled with highest efficiency over a wide operation range of the engine.
REFERENCES:
patent: 4322948 (1982-04-01), Emmenthal et al.
patent: 4372119 (1983-02-01), Gillbrand et al.
patent: 4387571 (1983-06-01), Katsumata et al.
Simanaitis: Saab Turbo Boost with a Brain, Road and Track, Jun. 1980, pp. 82, 84, 86.
Ando Hiroyuki
Suzuki Satoshi
Gruber Felix D.
Hitachi , Ltd.
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