Secondary combustion chamber systems and apparati for internal c

Details Secondary combustion chamber systems and apparati for internal c Secondary combustion chamber systems and apparati for internal c

1974-03-04

1976-10-05

Myhre, Charles J.

Internal-combustion engines

Valve

Rotary

123 32C, 123 32K, 123 32ST, 123191SP, F02B 1916

Patent

active

039838587

ABSTRACT:
Systems and apparati for two-stage burning of the fuel mixture in an internal combustion engine having a wall forming secondary chamber with the engine head and including the intake valve and a primary chamber below the wall in the cylinder above the piston and including the spark plug; at least one port in the wall provides communication between the primary and secondary chambers to supply fuel mixture to the primary chamber from the secondary chamber, to transfer flame ignition from the primary chamber to the secondary chamber, and to transmit flaming expanding gasses from the secondary chamber to the primary chamber to augment pressure in the primary chamber to aid drive of the piston after the piston moves from crank dead-center condition. A relief may be provided in the wall and separated from the secondary chamber leading to the exhaust valve to provide an exit during the exhaust cycle. The several embodiments of the systems and apparati include charging and exhausting the primary chamber through the secondary chamber through one or more ports in the wall instead of a separate relief in the wall and also providing a relatively large port in the wall and a chamber valve carried by the piston adapted to occlude the port adjacent the top of the stroke of the piston and to clear the port at other positions of the piston. The spark plug ignites the fuel mixture in the primary chamber to provide first stage burning and the burning gasses in the primary chamber ignite the fuel mixture in the secondary chamber via the port in the wall to provide second stage burning.

REFERENCES:
patent: 399348 (1889-03-01), Richards
patent: 1406877 (1922-02-01), Lemaire
patent: 1619825 (1927-03-01), Lucke
patent: 1691302 (1928-11-01), Peterson
patent: 2446280 (1948-08-01), Hancock
patent: 2511992 (1950-06-01), Quick
patent: 2983268 (1961-05-01), Heintz

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