Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1982-07-02
1984-08-28
Feinberg, Craig R.
Internal-combustion engines
Valve
Valve head cooperates with manifold
123306, F02B 3100
Patent
active
044677499
ABSTRACT:
A helically-shaped intake port comprising a helical portion formed around an intake valve, and a substantially straight inlet passage portion tangentially connected to the helical portion. A bypass passage is branched off from the inlet passage portion and connected to the helical portion. The slide valve, actuated by lubricating oil, is arranged in the bypass passage. The slide valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value.
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patent: 4257384 (1981-03-01), Matsumoto
patent: 4312309 (1982-01-01), Nakanish et al.
patent: 4411226 (1983-10-01), Okumura et al.
Feinberg Craig R.
Toyota Jidosha & Kabushiki Kaisha
Wolfe W. R.
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