FLUID PRESSURE OPERATED MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a fluid pressure operated machine with a compressed air engine as a power source for efficiently utilizing cold generated by the drive of the engine. SOLUTION: A hydraulic pump 2 is connected to an output shaft 10 of the compressed air engine 7. An oil cooler 4 is installed for utilizing cold generated by the compressed air engine for cooling operating oil in a hydraulic operated machine such as a shovel. COPYRIGHT: (C)2006,JPO&NCIPI