Swimming pool cleaning vehicle

Abstract

Disclosed herein is a swimming pool cleaning vehicle including a housing having an outer shell and defining a hollow interior. The housing having at least one intake port and at least one outlet port. The intake port(s) being located adjacent the drive mechanism. The pool cleaning vehicle includes a drive mechanism which in different embodiments has pairs of wheels and/or rollers and various combinations thereof for moving the vehicle. The vehicle includes a bottom and the bottom is concaved inwardly toward the interior.

1 . A swimming pool cleaning vehicle, comprising:
 a housing having an outer shell, and defining a hollow interior the housing including at least one water intake port on the outer shell and at least one outlet port on the outer shell; and   the housing including drive mechanism for propelling the vehicle along the pool surface; and    the housing having a bottom, the bottom being concaved inwardly towards the interior.   
   
   
       2 . The swimming pool cleaning vehicle as set forth in  claim 1  wherein the bottom is symmetrically concaved inwardly. 
   
   
       3 . The swimming pool cleaning vehicle as set forth in  claim 1  wherein the drive mechanism comprises a plurality of wheels. 
   
   
       4 . The swimming pool cleaning vehicle as set forth in  claim 1 , wherein the bottom is asymmetrically concave. 
   
   
       5 . The swimming pool cleaning vehicle as set forth in of  claim 4 , wherein the bottom has a lateral and a longitudinal axis and wherein the bottom is asymmetrical along one of the axis. 
   
   
       6 . The swimming pool cleaning vehicle as set forth in  claim 1 , wherein deeply concaved inwardly. 
   
   
       7 . The swimming pool cleaning vehicle as set forth in of  claim 1 , wherein the intake ports open towards the bottom. 
   
   
       8 . The swimming pool cleaning vehicle as set forth in any of  claims 1 - 7 , wherein the water intake port is located proximate the drive mechanism. 
   
   
       9 . The swimming pool cleaning vehicle as set forth in  claim 8 , wherein the drive mechanicism includes at least two pairs of wheels and wherein the housing has openings for the wheels. 
   
   
       10 . The swimming pool cleaning vehicle as set forth in  claim 9 , wherein the bottom includes intake ports and wherein there is an intake port located at each wheel opening. pg, 15   
   
   
       11 . The swimming pool cleaning vehicle as set forth in  claim 1 , wherein the drive mechanism comprises at least two rollers. 
   
   
       12 . The swimming pool cleaning vehicle as set forth in  claim 1 , wherein the drive mechanism comprises a combination of wheels and rollers. 
   
   
       13 . The swimming pool cleaning vehicle as set forth in  claim 5 , wherein the housing is asymmetrical on one side of the lateral axis. 
   
   
       14 . The swimming pool cleaning vehicle as set forth in  claim 5 , wherein the housing is asymmetrical on one side of the lateral axis at least one side of the lateral axis and one side of the longitudinal axis.