Internal-combustion engines – Precombustion and main combustion chambers in series – Piston shape complements precombustion chamber discharge
Patent
1978-07-14
1980-08-05
Lall, P. S.
Internal-combustion engines
Precombustion and main combustion chambers in series
Piston shape complements precombustion chamber discharge
123193CH, 123193CP, 123282, F02B 300, F02F 100
Patent
active
042156572
ABSTRACT:
A diesel cycle internal combustion engine having at least one cylinder with coplanar induction and exhaust valves and a precombustion chamber, in which the cylinder head is formed with a recess defining a combustion chamber with a projection on the crown of the piston, both the recess and the projection having a triangular cross section with respective upper surfaces being inclined at different angles from one another with respect to the longitudinal axis of the cylinder and respective side surfaces being inclined at substantially the same angle as one another with respect to the longitudinal axis of the cylinder.
REFERENCES:
patent: 3814067 (1974-06-01), De La Fuete
patent: 4123902 (1978-11-01), Iida
patent: 4127089 (1978-11-01), Tsutsumi
patent: 4146004 (1979-03-01), DuBois
Fiat Auto S.p.A.
Lall P. S.
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