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Title:
【発明の名称】非金属支持表面を有するピストンヘッドを備えた自由ピストン内燃機関
Document Type and Number:
Japanese Patent JP2002543317
Kind Code:
A
Abstract:
A free piston internal combustion engine includes a combustion cylinder having an inside surface. A piston is reciprocally disposed within the combustion cylinder. The piston includes a piston head and a plunger rod attached to the piston head. The piston head has an outside surface lying closely adjacent to and defining a bearing surface with the inside surface of the combustion cylinder. The bearing surface consists essentially of a non-metallic material.

Inventors:
Brett M. Bailey
Application Number:
JP2000601318A
Publication Date:
December 17, 2002
Filing Date:
January 06, 2000
Export Citation:
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Assignee:
CATERPILLAR INCORPORATED
International Classes:
F02B71/00; F02B71/04; F02F3/00; F02F7/00; F16J1/01; F16J1/02; F16J1/08; (IPC1-7): F02F3/00; F02B71/00; F16J1/01; F16J1/02; F16J1/08
Attorney, Agent or Firm:
Yoshikazu Tani (2 outside)