Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-01-22
1977-03-01
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
F02B 2506
Patent
active
040097005
ABSTRACT:
A control arrangement for effecting the reconveyance of exhaust gas over a larger engine operating range, while concurrently constructing the control to be more sensitive and better correlated with any particular thermal and/or mechanical operating condition of the internal combustion engine. The arrangement includes a multiple-position valve located in the conducting path of the control conduit, which is so located and constructed whereby the control pressure chamber of the control pressure chambers of the adjusting device are selectively subjected to a gas pressure and/or atmospheric pressure present in the intake conduit of the internal combustion engine upstream and/or downstream of the dosing arrangement for the combustion air or, respectively, the provided fuel-air mixture, or in the path of an accumulator associated with the control conduit. The multiple-position valve itself may be constructed as an adjusting device which inherently employs, as the operating parameters, the gas pressure present in the intake conduit of the combustion engine and/or the engine speed, and/or one of the characteristic thermal or mechanical conditions of the internal combustion engines or its components. For the foregoing purpose, the multiple-position valve may be constructed, for example, as an electromagnetic valve or as a pneumatically-actuated membrane valve.
REFERENCES:
patent: 3646764 (1972-03-01), Nakajima et al.
patent: 3738342 (1973-06-01), Lewakowski
patent: 3774583 (1973-11-01), King
patent: 3796049 (1974-03-01), Hayashi
patent: 3800764 (1974-04-01), Goto et al.
patent: 3800765 (1974-04-01), Thompson
patent: 3814070 (1974-06-01), Weutheimer
patent: 3835827 (1974-09-01), Wolgemuth
patent: 3842814 (1974-10-01), Bier
patent: 3888222 (1975-06-01), Tomita
Engels Uwe
Frohberg Gunther
Klotzbach Peter
Kuhlen Ernst
Rossel Helmut
A. Pierburg Autogeratebau KG
Burns Wendell E.
Reynolds David D.
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