Internal-combustion engines – Four-cycle – Single poppet valve
Patent
1981-07-20
1987-03-17
Wolfe, Jr., Willis R.
Internal-combustion engines
Four-cycle
Single poppet valve
123151, 123430, 123432, F01L 128
Patent
active
046498729
ABSTRACT:
Combustion engine having a cylinder and a piston movable therein and having a spark plug for igniting the combustible fuel. Three valves are concentricly located coaxially with the spark plug for separately controlling the flow of incoming fresh air to the cylinder and the flow of the fuel mixture to the cylinder and the flow of the exhaust gases from the cylinder. The engine presents the necessary valve seat for the exhaust valve, and the other two valves are also provided with valve seats, and springs urge each of the valves toward their respective seated positions. Also, push rods and rocker arms are arranged for opening the valves, as required. The entire arrangement provides for introducing a layer of clean air next to the cylinder wall and then introducing the fuel mixture into the center of the cylinder and adjacent the spark plug. Upon firing, the flame is primarily confined by the boundary of fresh air, and the flame is thus away from the cylinder wall. The exhaust gas then moves from the region adjacent the cylinder wall and out of the cylinder.
REFERENCES:
patent: 2049186 (1936-07-01), Zahodiakin
patent: 2125213 (1938-07-01), Anderson
patent: 2303324 (1942-12-01), Brumby
patent: 3180327 (1965-04-01), Neir
patent: 4064849 (1977-12-01), Nagasawa
patent: 4106439 (1978-08-01), Kanao
patent: 4162663 (1979-07-01), Ehrlich
Hansmann Arthur J.
Wolfe, Jr. Willis R.
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