Integral ring carbon-carbon piston

Details Integral ring carbon-carbon piston Integral ring carbon-carbon piston

1997-03-12

1999-03-23

Nguyen, Hoang

Expansible chamber devices

Piston

Open-ended hollow skirt type

92222, 92240, 92249, F16J 104

Patent

active

058845500

ABSTRACT:
An improved structure for a reciprocating internal combustion engine or compressor piston fabricated from carbon-carbon composite materials is disclosed. An integral ring carbon-carbon composite piston, disclosed herein, reduces the need for piston rings and for small clearances by providing a small, flexible, integral component around the piston that allows for variation in clearance due to manufacturing tolerances, distortion due to pressure and thermal loads, and variation in thermal expansion differences between the piston and the cylinder liner.

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patent: 5370087 (1994-12-01), Guimond et al.
patent: 5687634 (1997-11-01), Ransome

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