Piston

Details Piston Piston

1978-02-08

1980-06-17

Cox, Ronald B.

Internal-combustion engines

Noncompression

123193P, 123 32K, F02B 300

Patent

active

042078440

ABSTRACT:
A piston having an uncooled annular insert adjoining a main combustion chamber between piston and cylinder cover, combustion cavities arranged in the crown of the piston and an injection passage opening into the combustion cavities wherein, in the zones covered by the annular insert (5), laterally of the injection passage (8), outside the combustion cavities (6), the distance between the lower edge of the annular insert (5) and the crown surface of the piston (1) is increased by 0.15 to 0.7% of the piston diameter in comparison with the distance between the main surfaces of piston (1) and the cover of the cylinder (2).

REFERENCES:
patent: 2741229 (1956-04-01), Stump
patent: 2935054 (1960-05-01), Franke
patent: 3044454 (1962-07-01), Suhon
patent: 4122805 (1978-10-01), Kingsbury et al.

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