A cleaning vehicle comprises a rolling chassis and a primary power source (13) in the form of a combustion engine which is able and configured to drive the vehicle. A suction installation (30) is provided which has an underpressure chamber (20) and a pump device (31,32,33) coupled thereto. The pump device comprises a primary pump unit (31,32) which draws its input power from the primary power source (13). In addition, the pump device comprises a secondary pump unit (33) which is optionally driven directly by a secondary power source in the form of an electric motor. The secondary power source (33) is supplied independently of the primary power source (13) by an electrical power supply.
Cleaning vehicle
2019-07-16
Patent
Electronic Resource
English
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