Helical intake port type suction unit for horizontal single-cyli

Details Helical intake port type suction unit for horizontal single-cyli Helical intake port type suction unit for horizontal single-cyli

1982-03-19

1984-02-28

Lazarus, Ira S.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123195HC, 123193H, 123306, F02F 142

Patent

active

044336519

ABSTRACT:
Suction unit for an engine of horizontal single-cylinder direct injection type intended for producing a swirl in a suction air stream by means of a helical intake port, wherein, firstly, the intake port is formed to be "S"-shaped with its mid-section linear and prolonged for increasing the inertia force imparted to the suction air stream without increasing the width of the cylinder head and, secondly, the linear mid-section of the "S"-shaped intake port is formed to continue smoothly into an helical section so that the suction air stream enters unattenuated and guided by the helical passage to swirl up to approx. 180.degree. under acceleration before it enters a combustion chamber and the powerful swirl thus produced is further developed as it advances toward the center of the combustion chamber.

REFERENCES:
patent: 742493 (1903-10-01), Roedel
patent: 2927564 (1960-03-01), Turlay et al.
patent: 3769948 (1973-11-01), Feichtinger et al.
patent: 3824971 (1974-07-01), Skatsche et al.
patent: 3945363 (1976-03-01), Elsbett et al.

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