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F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16J—PISTONS; CYLINDERS; SEALINGS
F16J1/00—Pistons; Trunk pistons; Plungers
F16J1/04—Resilient guiding parts, e.g. skirts, particularly for trunk pistons
Dispositif de variation du taux de compression d'un cylindre d'un moteur a combustion interne et moteur a combustion interne comprenant un tel dispositif