Internal combustion engine with intake arrangement to produce sw

Details Internal combustion engine with intake arrangement to produce sw Internal combustion engine with intake arrangement to produce sw

1977-03-03

1979-12-25

Lazarus, Ira S.

Internal-combustion engines

Igniters

Incandescent

123188M, 48180B, F02M 2900

Patent

active

041800419

ABSTRACT:
An internal combustion engine comprises a cylinder and an intake passageway opening into the cylinder. In order to secure sufficiently high volumetric efficiency at high speed under high load operating conditions, the intake passageway is so configured as to pass therethrough a sufficient volume required for the combustible charge to be drawn into the cylinder per unit time. The intake passageway is provided with swirl means for causing the combustible charge passing through the intake passageway to swirl in the cylinder. The swirl means comprises at least one flow restrictor means so arranged as to urge the combustible charge to enter into the cylinder in a tangent direction to the cylinder wall. Control means is provided whereby the flow restrictor means reduces effective flow area thereof at low speed under light load operating conditions, thus securing strong swirl, and the flow restrictor means increase effective flow area thereof at high speed under high load operating conditions, thus securing high volumetric efficiency.

REFERENCES:
patent: 1998784 (1935-04-01), Mock
patent: 3408992 (1968-11-01), Von Seggern et al.
patent: 3635201 (1972-01-01), High
patent: 3671208 (1972-06-01), Medsker
patent: 3820522 (1974-06-01), Scherenberg
patent: 3868940 (1975-03-01), Kirchweger
patent: 3874357 (1975-01-01), List et al.
patent: 3877449 (1975-04-01), High
patent: 4015577 (1977-04-01), Elsbett et al.

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