Two-stroke engine

Details Two-stroke engine Two-stroke engine

1991-06-14

1992-08-25

Dolinar, Andrew M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having combustible mixture forming means

123302, 123 65VD, 123299, F02B 2310, F02B 2520

Patent

active

051409585

ABSTRACT:
A two-stroke engine including a pair of intake valves. A masking wall is provided for each intake valve to mask the valve opening between the valve seat and the peripheral portion of the intake valve, which is located on the exhaust valve side, for the entire time for which the intake valve is open. The exhaust valves open earlier than the intake valves, and the exhaust valves and the intake valves are closed at substantially the same time.

REFERENCES:
patent: 4840147 (1989-06-01), Tanahashi et al.
patent: 4920937 (1990-05-01), Sasaki et al.
patent: 4958604 (1990-09-01), Hashimoto
patent: 4995348 (1991-02-01), Melchior
Patent Abstracts of Japan, vol. 12, No. 039 (M-665) Feb. 5, 1988 & JP-A-62-191622.

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