Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-04-04
1979-03-06
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
1376275, F02M 2506
Patent
active
041424964
ABSTRACT:
Two thermally operated control valves which, in cooperation with each other, admit into the vacuum chamber of the diaphragm unit for the EGR control valve atmospheric air only during cold engine operation, both atmospheric air and engine suction vacuum during engine warming-up operation, and engine suction vacuum only during engine normal operation.
REFERENCES:
patent: 3621825 (1971-11-01), Ojala
patent: 3783847 (1974-01-01), Kolody
patent: 3800764 (1974-04-01), Goto et al.
patent: 3828747 (1974-08-01), Nambu
patent: 3994269 (1976-11-01), Takaoka et al.
patent: 3996905 (1976-12-01), Dawson
patent: 4056083 (1977-11-01), Wakita
patent: 4058098 (1977-11-01), Onaka
patent: 4066056 (1978-01-01), Nohira et al.
Ohnishi Akihiro
Saito Masaaki
Feinberg Craig R.
Myhre Charles J.
Nissan Motor Company Limited
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