Patent ID: 11965624
Assignee: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. An apparatus for compressing cryogenic fluid in at least one compression stage comprising: at least one piston and at least one sleeve delimiting at least one compression chamber; a shaft that is able to move in translation along a longitudinal axis (A) . . . the shaft also comprising at least one linking element made of material that is less thermally conductive than a constituent material of the shaft,... characterized in that, in the portion of reduced cross section, the reduced cross section is reduced by 30 to 85% compared with a cross section of the rest of the shaft, wherein the at least one linking element comprises at least one cable.