Abstract: A vehicle cleaner system includes a cleaner unit discharges a cleaning fluid toward a cleaning target mounted on a vehicle; a motor pump supplies the cleaning fluid to the cleaner unit; a normally closed type solenoid valve provided between the cleaner unit and the motor pump and switches between permission and non-permission of movement of the cleaning fluid from the motor pump to the cleaner unit; and a cleaner control unit controls the motor pump and the solenoid valve. The cleaner control unit sets an operation stop time period for stopping an operation of at least one of the motor pump and the solenoid valve, and after the cleaning fluid is discharged to the cleaning target, stops the operation of at least one of the motor pump and the solenoid valve during the operation stop time period based on a predetermined condition.

Abstract: A size of a conveyance device is reduced. A conveyance device includes: a carriage configured to travel along a track; and a transfer mechanism hung from the carriage so as to be capable of being raised and lowered. The transfer mechanism includes a plurality of chucks each of which is configured to revolve about a rotation center provided in the transfer mechanism.