Patent ID: 11946470
Assignee: EBARA CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  G  Y | IPC F  G

Claim 49:
50. A non-transitory computer readable storage medium having stored therein computer-readable instruction that upon execution by a computing device at least perform the operations, comprising: referring to a storage device in which a criterion data for judging a failure arrival possibility determined using a tendency of an abnormality data detected in data of a state quantity of a failed vacuum pump is stored to compare the tendency of
the abnormality data detected from the data of a state quantity of an operating vacuum pump with the criterion data stored in the storage device;
comparing an abnormality occurrence interval of the state quantity of the operating vacuum pump with a statistical quantity of an interval of an abnormality occurrence of the state quantity before the failure of the vacuum pump and performs a control to issue a notification according to the comparison result; and
outputting the comparison result.