Patent ID: 7223337
Filing Date: 2007-05-29
Classification: B08B,F28F

Abstract:
1. An apparatus for cleaning cooling tower basins comprising a carriage having a base plate for mounting operating components of the apparatus, a pair of wheels fitted to one end of the carriage, an extensible handle fitted to the other end of the carriage for extension to provide leverage in tilting the carriage for movement, a stand depending from the other end of the carriage for level positioning the carriage, the base plate, pair of wheels and extensible handle defining a hand truck for maneuvering the apparatus into position adjacent to a cooling tower basin, a drive motor affixed to the base plate adjacent the one end of the carriage to weight-load the apparatus toward the carriage wheels, the drive motor having a drive shaft and having a front face, a pump mounting cage affixed to the motor front face, a centrifugal pump affixed to the cage, the pump having an axial shaft connected to the motor drive shaft so that the motor drives the pump, the pump having an axial inlet manifold and a tangential outlet manifold, a strainer housing defining a strainer chamber, the strainer housing having an outlet connection affixed to the pump inlet manifold, the strainer housing further having an inlet connection, a strainer positioned in the strainer chamber for straining water and debris passing through the housing, a discharge pipe defining a passage from the pump outlet manifold to a discharge connection from the apparatus, a discharge valve in the discharge pipe, a prime water connection fitted to the discharge pipe upstream of the discharge valve, a prime water valve in the prime water connection so that the operating components including drive motor, cage, pump, strainer housing, and strainer are connected to each other as an integral unit with the unit being connected to the carriage base solely through the drive motor and that the apparatus is readily wheeled into position adjacent a cooling tower.