2-Cycle engine of an active thermoatmosphere combustion

Details 2-Cycle engine of an active thermoatmosphere combustion 2-Cycle engine of an active thermoatmosphere combustion

1977-12-19

1979-12-25

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Rear compression

123 73PP, 123 65EM, F02B 2520

Patent

active

041800290

ABSTRACT:
Disclosed is a 2-cycle engine having a scavenging passage communicating the crank case with the combustion chamber. The scavenging passage comprises a first passage and a second passage. The first passage has a long length and a small cross-sectional area for causing a fresh combustible mixture to flow at a high speed. The second passage has a short length and a large cross-sectional area for causing a fresh combustible mixture to flow at a low speed. The vaporization of the fresh combustible mixture is prometed in the first passage and, in addition, the fresh combustible mixture flows into the combustion chamber at a low speed. As a result of this, an active thermoatmosphere combustion is caused in the combustion chamber.

REFERENCES:
patent: 1001404 (1911-08-01), Holloway
patent: 1360383 (1920-11-01), Edwards
patent: 1780635 (1930-11-01), Spencer
patent: 2406491 (1946-08-01), De Waern
patent: 3817227 (1974-06-01), Onishi
patent: 3823702 (1974-07-01), Roberts
patent: 3915524 (1975-07-01), Heindner
patent: 3929111 (1975-12-01), Turner et al.
patent: 4075985 (1978-02-01), Iwai

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