Device for controlling a flow in a helical type intake port

Details Device for controlling a flow in a helical type intake port Device for controlling a flow in a helical type intake port

1982-01-22

1984-03-27

Feinberg, Craig R.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123308, F02F 142

Patent

active

044387415

ABSTRACT:
A helical type intake port is formed with the helical portion around an intake valve and the inlet portion tangentially contiguous to the helical portion.
A bypass passage is provided in a cylinder head, which is branched off from the inlet portion and connected to an end portion of said helical portion. The flow in the bypass passage is controlled by a valve in response to the amount of air in the intake port so that a strong swirl flow with a slight flow resistance may be obtained at not only a low revolution and a low load, but also at a high revolution and a high load.

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patent: 4253432 (1981-03-01), Nohira et al.
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patent: 4262639 (1980-04-01), Motosugi et al.
patent: 4303046 (1981-12-01), Nakanishi et al.
patent: 4312309 (1982-01-01), Nakanishi et al.
patent: 4318273 (1982-03-01), Nohira et al.

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