Piston for internal combustion engines

Details Piston for internal combustion engines Piston for internal combustion engines

1989-11-06

1991-01-29

Dolinar, Andrew M.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92222, 92223, F02F 300

Patent

active

049878670

ABSTRACT:
A piston for internal combustion engines has a piston-ring groove which is strengthened with a composite layer based on porous metal which is embedded around the piston-ring groove. The porous metal contains at least more than 10% Cr, and the volumetric ratio of the porous metal is between 8 to 70%, so that even though the engine is put in action under high heat loads, no crack is initiated in the piston.

REFERENCES:
patent: 2255006 (1941-09-01), Graham
patent: 2261405 (1941-11-01), Nicolle
patent: 2410405 (1946-11-01), Cornelius
patent: 4008051 (1977-02-01), Cadle
patent: 4233490 (1980-11-01), Shalai et al.

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