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    • 7. 发明专利
    • Hydraulically driven system
    • 液压驱动系统
    • JP2013204765A
    • 2013-10-07
    • JP2012076356
    • 2012-03-29
    • Kyb Co Ltdカヤバ工業株式会社
    • MIYAGAWA SHINPEIOBAYASHI YOSHIHIRO
    • F15B21/04
    • F15B21/06F15B1/26F15B21/042F15B2211/62F15B2211/6303F15B2211/6343F15B2211/66
    • PROBLEM TO BE SOLVED: To provide a hydraulically driven system in which operating water can be cooled in simple configuration.SOLUTION: A hydraulically driven system includes: a hydraulic pump 1 which sucks and discharges operating water; a hydraulic cylinder 2 and a hydraulic motor 3 which are driven by pressurized water discharged from the hydraulic pump 1; a water tank 11 in which the operating water to be sucked into the hydraulic pump 1 is stored; a coolant passage 21 in which a coolant is circulated and heat exchange is performed with the operating water returned from the hydraulic cylinder 2 and the hydraulic motor 3 to the water tank 11 and supplied to the hydraulic pump 1; and a cooler 22 which is provided in the coolant passage 21 and decreases a temperature of the coolant flowing in the coolant passage 21. The cooler 22 includes a compressor 23 which compresses the coolant submitted for the heat exchange with the operating water, and a condenser 24 which condenses the coolant compressed by the compressor 23 to decrease the temperature of the coolant.
    • 要解决的问题:提供一种液压驱动系统,其中可以以简单的结构冷却操作水。解决方案:液压驱动系统包括:液压泵1,其吸入和排出工作水; 由从液压泵1排出的加压水驱动的液压缸2和液压马达3; 其中存储有要吸入液压泵1的操作水的水箱11; 冷却剂通道21,其中冷却剂循环并且与从液压缸2和液压马达3返回到水箱11的操作水进行热交换并供应到液压泵1; 以及冷却器22,其设置在冷却剂通道21中并降低在冷却剂通道21中流动的冷却剂的温度。冷却器22包括压缩机23,压缩机23将与操作水进行热交换的冷却剂和冷凝器 24,其冷凝由压缩机23压缩的冷却剂以降低冷却剂的温度。