Patent ID: 8381352
Filing Date: 2013-02-26
Classification: A47L,B08B

Abstract:
1. An extractor comprising: a fluid delivery system including a solution supply tank assembly, a fluid distributor, and a conduit between the fluid tank and the fluid distributor for depositing fluid onto a surface to be cleaned; a fluid recovery system including a floor suction nozzle, a recovery tank assembly, a suction source having a suction inlet fluidly connected to the recovery tank and the suction nozzle through a working air conduit and adapted to draw liquid through the suction nozzle and deposit the liquid in the recovery tank, and having a suction source outlet; a duct door moveably mounted to the working air conduit for movement between a first position at which normal suction at the suction nozzle is reduced and a second position at which normal suction at the suction nozzle is unreduced; an actuator connected to the duct door for selectively moving the duct door between the first position and second position; wherein the duct door is positioned downstream of the recovery tank in the working air conduit and upstream of the motor inlet.