Tumble control valve for intake port

Internal-combustion engines – Means to whirl fluid before – upon – or after entry into... – Having multiple oxidant inlet means

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F02B 3100

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active

053599721

ABSTRACT:
A number of embodiments of induction systems for internal combustion engines wherein a control valve arrangement is provided in the induction passage for selectively generating either or both of tumble and/or swirl to the intake charge in response to varying running conditions. Various types of control valve arrangements are disclosed as are systems for cooling the control valves and augmenting the flow pattern caused by the control valve.

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European Search Report, Patent Abstracts of Japan vol. 10, No. 176 (M-491) (2232) 20 Jul. 1986 & JP-A-61 25 916 (Mazda Motor Corp) 5 Feb. 1986 *abstract*

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