Internal combustion engine with an auxiliary combustion chamber

Details Internal combustion engine with an auxiliary combustion chamber Internal combustion engine with an auxiliary combustion chamber

1977-06-02

1978-09-19

Myhre, Charles J.

Internal-combustion engines

Noncompression

123 32SP, 123191S, F02B 1908, F02B 1700

Patent

active

041145690

ABSTRACT:
Disclosed is an internal combustion engine comprising a main chamber and an auxiliary chamber which are interconnected with each other via a connecting passage. An annular raised portion is formed on the inner wall of the auxiliary chamber, and the auxiliary chamber is divided into a first auxiliary chamber and a second auxiliary chamber by the annular raised portion so that the second auxiliary chamber has a volume of 20 through 40 percent relative to the volume of the first auxiliary chamber. The connecting passage is tangentially connected to the inner wall of the second auxiliary chamber. The nozzle of a fuel injector is disposed in the auxiliary chamber and is directed to the recess which is formed in the second auxiliary chamber beneath the annular raised portion at a position located opposite to the inner wall to which the connecting passage is tangentially connected with respect to the axis of the auxiliary chamber so that 30 through 40 percent of the total fuel injected from the injector is fed into the first auxiliary chamber, and the remaining 60 through 70 percent of the fuel is fed into the second auxiliary chamber. The spark gap of a spark plug is located in the recess of the second auxiliary chamber.

REFERENCES:
patent: 2808036 (1957-10-01), von Seggern et al.
patent: 3754535 (1973-08-01), Hofbauer
patent: 4038959 (1977-08-01), Takizawa et al.

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