Patent ID: 11939760
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 11:
12. A method of operating a vacuum sewage system including the steps of:
specifying a vacuum level operating range at a collection station;
specifying a vacuum level at a location in the system;
detecting the vacuum level at the collection station;
utilizing a sensor to detect the vacuum level at the location in the system;
comparing the vacuum level detected at the location in the system with the previously specified vacuum level for the location; and
if the vacuum level detected at the location in the system is equal to or greater than the specified vacuum level for the location and the vacuum level detected at the collection station is within the specified vacuum level operating range for the collection station, specifying a first new vacuum level operating range for the collection station equal in magnitude to the specified vacuum level operating range for the collection station and having a lower upper limit.