Internal-combustion engines – Four-cycle – Single poppet valve
Patent
1981-09-17
1984-05-29
Cox, Ronald B.
Internal-combustion engines
Four-cycle
Single poppet valve
123279, 123295, 123296, 123297, 123301, 123306, F01L 128, F02B 300
Patent
active
044507950
ABSTRACT:
A four-stroke piston engine in which air is drawn into a cylinder while rotary motion about the cylinder axis is imparted to the air. Fuel may be blown/injected into the air during its rotation in the cylinder while the fuel supply is located on the axis of the cylinder and supplies at least one jet of fuel directed radially outwardly and which jet of fuel in cooperation with the rotating air forms at least one helical stream of mixture within the cylinder, preferably during the compression stroke, which is transformed into a coherent mixture zone enclosed by a ring of air upon completion of compression. The piston may have a recess in the upper end into which the fuel nozzle is received when the piston approaches top dead center so that an enriched region is formed in the recess which can be ignited by electrodes disposed adjacent the recess.
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