Pool cleaner with multi-stage venturi vacuum assembly
AssigneePentair Water Pool and Spa, Inc.
InventorsSuresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
Life of this patent
Estimating the term…
Abstract
Some embodiments provide a pool cleaner having a housing including a bottom cover with a cover opening. A drive assembly is configured to drive one or more wheels. The pool cleaner further includes a supply mast, and a distributor manifold that receives water from the supply mast. A venturi vacuum assembly is in fluid communication with the distributor manifold, the venturi vacuum assembly designed to vacuum debris from a pool surface.
Claims19
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.
A pool cleaner, comprising:
- a housing including a bottom cover with a cover opening;
- a drive assembly configured to drive one or more wheels;
- and
- a venturi vacuum assembly having a suction mast and a first and second stage of jet nozzles, the first stage of jet nozzles offset vertically with respect to the second stage of jet nozzles and positioned around the circumference of the suction mast.
A venturi vacuum assembly for a motile pool cleaner having at least one wheel, the venturi vacuum assembly comprising:
- a suction mast with a bottom end and a top end, the bottom end positioned to receive debris from an underside of the pool cleaner and the top end designed to retain a debris bag;
- two first stage jet nozzles disposed on opposing sides of the suction mast and directed upward and into the suction mast, the two first stage jet nozzles forming a first angle of intersection;
- and
- two second stage jet nozzles disposed on opposing sides of the suction mast and directed upward and into the suction mast, the two second stage jet nozzles forming a second angle of intersection, wherein the first angle of intersection is greater than that of the second angle of intersection.
Dependencies are inferred from the claim text.