| 摘要 |
The cleaning apparatus has a body with two wheels on opposite sides of the body which are driven by two electric motors for moving the body forward or rearward or for turning the body. A cleaning device which uses pressurized air is supported by the body for providing a cleaning function for cleaning the inside of the duct. The cleaning device is supported by a support member. Another electric motor is employed for moving the support member upward and downward. Lights and a video camera are located at the front of the body for allowing the duct to be monitored and inspected by way of a remote video screen. Electrical leads are coupled to the motors to the lights and to the camera for remote control purposes. A conduit is coupled to the cleaning device for supplying air under pressure to the cleaning device.
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