US 9,809,991 B2
Pool cleaner with multi-stage venturi vacuum assembly
Suresh C. Gopalan, Milpitas, CA (US); Nitin Agarwal, Haryana (IN); and Jayamurali Kaladharan, Tamil Nadu (IN)
Assigned to Pentair Water Pool and Spa, Inc., Cary, NC (US)
Filed by Pentair Water Pool and Spa, Inc., Sanford, NC (US)
Filed on Feb. 17, 2015, as Appl. No. 14/624,229.
Application 14/624,229 is a continuation of application No. 13/252,125, filed on Oct. 3, 2011, granted, now 8,956,533.
Prior Publication US 2015/0159392 A1, Jun. 11, 2015
This patent is subject to a terminal disclaimer.
Int. Cl. E04H 4/16 (2006.01)
CPC E04H 4/1663 (2013.01) [E04H 4/1654 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A pool cleaner, comprising:
a housing including a bottom cover with a cover opening;
a drive assembly configured to drive one or more wheels;
a supply mast;
a distributor manifold that receives water from the supply mast, the distributor manifold encircling a suction mast; and
a venturi vacuum assembly in fluid communication with the distributor manifold, the venturi vacuum assembly designed to vacuum debris from a pool surface.