Two-cycle internal combustion engine

Details Two-cycle internal combustion engine Two-cycle internal combustion engine

1997-09-29

1999-10-05

Wolfe, Willis R.

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

123 73C, 123 65V, 123 65P, 123316, F02B 2102, F02B 2906

Patent

active

059607491

ABSTRACT:
A control valve is disposed in a communication passage for communication between a combustion chamber and a chamber portion adjacent to the combustion chamber, and through the communication passage at least one of a fuel and an air-fuel mixture, and a highly compressed gas, are supplied or charged into the combustion chamber and the chamber portion adjacent thereto, respectively. The control valve includes a first control valve disposed in the first communication passage and a second control valve disposed in the second communication passage, the first control valve causes the first communication passage to open at a timing near closing of an exhaust port and causes it to close halfway in a compression stroke. The second control valve causes the second communication passage to open at a timing near closing of the scavenging ports and causes it to close prior to closing of the first communication passage.

REFERENCES:
patent: 1594664 (1926-08-01), Congellier
patent: 1722951 (1929-07-01), Barkeij
patent: 2796054 (1957-06-01), Miller
patent: 4753198 (1988-06-01), Heath
patent: 5025769 (1991-06-01), Plohberger et al.
patent: 5048473 (1991-09-01), Curtil
patent: 5095881 (1992-03-01), Nishimura et al.

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