Precombustion chamber in the cylinder head of a diesel engine

Details Precombustion chamber in the cylinder head of a diesel engine Precombustion chamber in the cylinder head of a diesel engine

1982-06-09

1984-01-24

Cox, Ronald B.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having specific connecting passage means between...

123293, 123270, 123271, 123254, F02B 300

Patent

active

044269668

ABSTRACT:
Precombustion chamber construction in a cylinder head of a diesel engine utilizing ceramic material to increase resistance to thermal stresses. A space is provided between the precombustion chamber construction and the cylinder head at least at the main combustion chamber of the diesel engine, and one or more ceramic bodies are shielded from the metal cylinder head and any other metal by thermal insulation to minimize thermal stresses and enable combustion in the precombustion chamber to take place at a higher temperature whereby the power/weight ratio and the efficiency of the engine are improved. The precombustion chamber construction in one embodiment is composed of axially successive parts, and at least the part nearest the main combustion chamber is made of the ceramic material and shielded as indicated.

REFERENCES:
patent: 2205751 (1940-06-01), Scherenberg
patent: 2696199 (1954-12-01), Schmidt
patent: 2804858 (1957-09-01), Schilling
patent: 2853060 (1958-09-01), Hockel
patent: 3014465 (1961-12-01), Dressler
patent: 3058452 (1962-10-01), Espenschied
patent: 3257994 (1966-06-01), Clements
patent: 3259116 (1966-07-01), Bricout
patent: 3730163 (1973-05-01), Elsbett
patent: 3895613 (1975-07-01), Joshi
patent: 4325334 (1982-04-01), Nishida

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