Patent ID: 8230550

Claim:
An accessory tool for use in connection with a vacuum cleaner, comprising: a housing having a suction opening adapted to be connected to a vacuum hose; a suction nozzle; a recovery tank in fluid communication with the suction nozzle; a turbine rotatably mounted within a turbine chamber having an inlet opening in fluid communication with the atmosphere and an outlet opening connected to the suction opening for rotatably driving the turbine with suction from the vacuum hose; a suction fan rotatably mounted within a suction fan chamber having an inlet opening in fluid communication with the suction nozzle through the recovery tank for depositing fluid that is drawn in through the suction nozzle into the recovery tank and an outlet opening in fluid communication with the atmosphere; and a coupling between the turbine and the suction fan, whereby the turbine drives the suction fan when suction is applied at the suction opening.