Patent ID: 11859605
Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 5:
6. The compressor system according to claim 1,
wherein a sixth valve is provided to be disposed close to a discharge side of the second pump, a seventh valve is provided on a bypass pathway through which a downstream side of the aftercooler on the second cooling liquid pathway and a downstream side of the fourth valve communicate with each other, and a water cutoff detection device is provided that detects water cutoff of the second cooling liquid pathway, and
the control unit performs control to open the first valve, the second valve, the third valve, and the seventh valve and close the fourth valve and the sixth valve when the second pump has failed or the water cutoff detection device has operated.