Internal-combustion engines – Precombustion and main combustion chambers in series – Plural precombustion chambers
Patent
1985-12-09
1987-03-03
Argenbright, Tony M.
Internal-combustion engines
Precombustion and main combustion chambers in series
Plural precombustion chambers
123266, 123268, 123293, F02B 1916, F02B 1918
Patent
active
046466959
ABSTRACT:
A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to project into the combustion chamber of the engine a sufficient distance, and at a selected orientation, such that a bell-shaped opening will collect a portion of fuel-rich fuel-air mixture from within the combustion chamber and direct the same toward a spark gap of a spark producing device located in the opposite end of the unit. The device has an elongated secondary chamber proximate the combustion chamber and a primary chamber proximate the spark gap. The bell-shaped opening into the secondary chamber is preferably oriented to give a spiral movement to incoming fuel mixtures. In addition, an outlet from the secondary chamber is provided more closely on axis of the unit to permit ignited fuel-air mixtures to pass into the largest volume in the exhaust portion of the engine combustion chamber above the piston head at a high rate of speed to ignite any fuel-air mixture therein prior to the initiation of combustion knock. Embodiments for several types of engines including four-cycle, two-cycle, and computer-controlled are described. An embodiment for manufacture as a portion of an engine is also described. Emissions are reduced and improved operating efficiency is achieved with the flame ignitors.
REFERENCES:
patent: 1422794 (1922-07-01), Smith
patent: 2100320 (1937-11-01), Browning
patent: 2118058 (1938-05-01), Riley
Argenbright Tony M.
Oak Ridge Systems, Inc.
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