Intake system of engines

Details Intake system of engines Intake system of engines

1981-06-25

1984-01-03

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123 52MB, F02M 3500

Patent

active

044237065

ABSTRACT:
Several embodiments of induction systems for internal combustion engines that improve charging efficiency, particularly at low speeds. In each embodiment, a plenum chamber is provided that communicates with the induction system between the throttle valve and the chamber of the engine which is being served. A control valve is positioned in the line of communication of the plenum chamber with the intake passage and is operated so as to close when the throttle valve is in its idle position an open when the throttle valve moves to an off idle position.

REFERENCES:
patent: 4254746 (1981-03-01), Chiba et al.

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