Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-08-24
1978-04-11
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123119D, 123119EC, 123124R, 123139AW, 261 50A, 261 45, 261 54, F02M 2304
Patent
active
040833429
ABSTRACT:
The fuel preparation system of an internal combustion engine is provided with an air bypass line which delivers fresh air directly to the intake manifold downstream of the mixture generator, which may be a carburetor, for example. The air flow through the bypass is controlled, firstly, by a valve actuated in synchronism with an air flow meter in the main induction tube and, secondly, by a pressure controlled valve. The pressure controlled valve is connected to sources of different pressure by solenoid valves which are operated on the basis of engine information, for example the exhaust gas composition.
REFERENCES:
patent: 3364911 (1968-01-01), Baudry et al.
patent: 3688752 (1972-09-01), Baudry
patent: 3759232 (1973-09-01), Wahl et al.
patent: 3977375 (1976-08-01), Laprade et al.
patent: 4007718 (1977-02-01), Laprade et al.
patent: 4010722 (1977-03-01), Laprade et al.
patent: 4015568 (1977-04-01), Horiye et al.
Burns Wendell E.
Greigg Edwin E.
Robert & Bosch GmbH
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