Pool cleaner with hydraulic timer assembly

US11118369B2 · kind B2 · utility

Assignee

• Pentair Water Pool and Spa, Inc. · US

Inventors

• Suresh Gopalan · Milpitas, US
• Nitin Agarwal · Bengaluru, IN
• Jayamurali Kaladharan · Nagapattinam, IN
• Brian King · Apex, US
• Leonard Richiuso · Sunnyvale, US

Key dates

• Filing date: Nov 13, 2018
• Grant date: Sep 14, 2021
• Expiry date: Oct 12, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60K3/04
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A pool cleaner comprises a housing including at least two wheels, a supply mast, and a timer disc assembly configured to receive water from the supply mast. The timer disc assembly includes an outer housing, a plurality of outlet ports extending through the outer housing, and a rotating timer disc positioned within the outer housing adjacent to the plurality of outlet ports. The timer disc assembly also includes at least one stationary port seal liner positioned between one of the plurality of outlet ports and the rotating timer disc. The at least one stationary port seal liner includes an elastomeric piece and a liner piece, and the liner piece is in contact with the rotating timer disc.