Patent ID: 11931680
Assignee: FANUC CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. An air filter device of an industrial machine, the air filter device comprising:
a filtered portion;
an air filter that is arranged in the filtered portion;
a first operation unit that includes a first rotation axis around which the air filter is wound and transports the air filter toward the filtered portion, the first operation unit including a first motor that drives rotation of the first operation unit;
a second operation unit that includes a second rotation axis and collects the air filter transported from the first operation unit and used in the filtered portion on the second rotation axis, the second operation unit including a second motor that drives rotation of the second operation unit;
a control unit configured to control drive of the first motor of the first operation unit and drive of the second motor of the second operation unit; and
a dirt removal unit
comprising a first dirt removal unit that includes an air blower and a second dirt removal unit that includes a cleaning chamber storing cleaning fluid to remove the dirt by a method different from a method of the first dirt removal unit, the air filter is transported to the first dirt removal unit,
the air filter device further includes an inspection unit configured to inspect, with a sensor, a state of the dirt of the air filter after the dirt is removed with the first dirt removal unit,
the control unit is configured to determine whether or not the state of the dirt of the air filter inspected with the inspection unit exceeds a preset state of the dirt, and
the control unit is configured such that when it determines that the preset state of the dirt is exceeded, the control unit is configured to send a signal such that the air filter is transported to the second dirt removal unit.