Two stroke diesel engine

Details Two stroke diesel engine Two stroke diesel engine

1992-11-25

1994-01-11

Wolfe, Willis R.

Internal-combustion engines

Precombustion and main combustion chambers in series

Chamber temperature control means

123257, 123270, 123269, 123275, F02B 1904, F02B 1914

Patent

active

052771598

ABSTRACT:
A piston and cylinder arrangment for an internal combustion engine designed to run on diesel and similar fuels, comprises a cylinder defining a main combustion chamber, a piston reciprocatable within said cylinder and having a thermally insulating plate on its upper surface, a cylinder head including a precombustion chamber, a fuel injector for injecting fuel into said precombustion chamber, and a thermally insulated block of material with high heat retention ability surrounding the precombustion chamber to maintain a high temperature a high temperature of at least about 500.degree. C. in the precombustion chamber and thereby facilitate fuel ignition at moderate compression ratios. A mass of material with high heat retention ability is mounted on the insulated surface of the piston so as to remain at a high temperature during running of the engine and facilitate the combustion process during the downward stroke of the piston.

REFERENCES:
patent: 4508066 (1985-04-01), Hartsock
patent: 4738227 (1988-04-01), Kamo et al.
patent: 4998517 (1991-03-01), Kawamura
patent: 5025765 (1991-06-01), Kawamura
patent: 5054443 (1991-10-01), Kawamura

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