Piston of refractory materials, particularly for compression-ign

Details Piston of refractory materials, particularly for compression-ign Piston of refractory materials, particularly for compression-ign

1984-05-03

1987-03-24

Look, Edward K.

Expansible chamber devices

Piston

With enclosed insulating space in piston part

92212, 92220, 92224, 92239, 92248, 92255, 123193P, F16J 100

Patent

active

046516298

ABSTRACT:
A piston (2) is of refractory materials, particularly for a compression-ignition engine of the type having a head (4), a skirt (6) and their mutual fastening means. According to the invention, this skirt (6) is formed entirely of a refractory material and has two semicylindrical parts (18, 20) each of which has ribs (22) and a semispherical cavity (36, 38). After assembly, the cavities form a ball joint seat for the small end of a piston rod along a plane containing the longitudinal axis (14) of the piston (2). Application is to compression-ignition engines with high efficiency.

REFERENCES:
patent: 1089823 (1914-03-01), Day et al.
patent: 1494483 (1924-05-01), Howe
patent: 1572325 (1926-02-01), Smith
patent: 2059713 (1936-11-01), Schneider
patent: 3173345 (1965-03-01), Thompson
patent: 3959974 (1976-06-01), Thomas
patent: 4243621 (1981-01-01), Mori et al.
patent: 4433616 (1984-02-01), Hauser, Jr.

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