Patents by Inventor Jayamurali Kaladharan
Jayamurali Kaladharan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12158020Abstract: A pool cleaner with a cover assembly that includes a bottom cover with a cover opening, a supply mast, a distributor manifold, a timer assembly, a scrubber assembly, and a venturi vacuum. The distributor manifold receives water from the supply mast and encircles the suction mast. The venturi vacuum is in fluid communication with the distributor manifold and is designed to vacuum debris from a pool surface.Type: GrantFiled: September 13, 2021Date of Patent: December 3, 2024Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Publication number: 20210404203Abstract: A pool cleaner with a cover assembly that includes a bottom cover with a cover opening, a supply mast, a distributor manifold, a timer assembly, a scrubber assembly, and a venturi vacuum. The distributor manifold receives water from the supply mast and encircles the suction mast. The venturi vacuum is in fluid communication with the distributor manifold and is designed to vacuum debris from a pool surface.Type: ApplicationFiled: September 13, 2021Publication date: December 30, 2021Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 11118369Abstract: 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.Type: GrantFiled: November 13, 2018Date of Patent: September 14, 2021Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 10443259Abstract: A pool cleaner including a turbine assembly, a timer assembly, and a scrubber assembly. The timer assembly is configured to rotate the turbine assembly in a first direction and a second direction. The scrubber assembly is configured to rotate in a forward direction when the turbine assembly rotates in the first direction, and to rotate in a rearward direction when the turbine assembly rotates in the second direction.Type: GrantFiled: June 13, 2017Date of Patent: October 15, 2019Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Publication number: 20190078346Abstract: 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.Type: ApplicationFiled: November 13, 2018Publication date: March 14, 2019Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 10125509Abstract: According to some embodiments, a pool cleaner includes a chassis, a housing supported by the chassis, at least one drive wheel supported by the chassis, and a turbine assembly that rotates in one of a first direction and a second direction to drive the at least one drive wheel. The pool cleaner also includes a timer disc assembly with at least one rotating timer disc. The timer disc assembly controls a flow of pressurized fluid away from the housing in a forward direction for backward propulsion assistance of the pool cleaner during a first time period, a rearward direction for forward propulsion assistance of the pool cleaner during a second time period, and a sideways direction for turning propulsion assistance of the pool cleaner during at least a portion of one of the first time period and the second time period.Type: GrantFiled: February 27, 2015Date of Patent: November 13, 2018Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 9938744Abstract: Embodiments of the invention provide a sweep tail for a pool cleaner including a hose, a connector coupled to a first end of the hose and connecting the hose to the pool cleaner, and a scrubber coupled to the hose near a second end of the hose. The scrubber can include a first bearing coupled to and positioned around the hose, a second bearing positioned around the first bearing, and a scrubbing element positioned around the second bearing. The second bearing is capable of rotating around the first bearing and the scrubbing element is capable of rotating with the second bearing around the first bearing.Type: GrantFiled: November 5, 2012Date of Patent: April 10, 2018Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Jayamurali Kaladharan, Adam Key, Narender Sanwal
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Patent number: 9809991Abstract: 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.Type: GrantFiled: February 17, 2015Date of Patent: November 7, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Publication number: 20170284116Abstract: A pool cleaner including a turbine assembly, a timer assembly, and a scrubber assembly. The timer assembly is configured to rotate the turbine assembly in a first direction and a second direction. The scrubber assembly is configured to rotate in a forward direction when the turbine assembly rotates in the first direction, and to rotate in a rearward direction when the turbine assembly rotates in the second direction.Type: ApplicationFiled: June 13, 2017Publication date: October 5, 2017Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Patent number: 9714518Abstract: Embodiments of the invention provide a debris bag and a collar for a pool cleaner. The debris bag includes a body defined by two opposing sheets of filtration media that are joined together to form an interior compartment. A neck portion extends downwardly from the sheets. A support ring is disposed adjacent the bottom end of the neck portion and an orientation tab extends upwardly from the support ring toward the interior compartment.Type: GrantFiled: January 14, 2016Date of Patent: July 25, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Jayamurali Kaladharan
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Patent number: 9677295Abstract: Embodiments of the invention provide a scrubber assembly for a pool cleaner comprising a center shaft and a rotary cylinder positioned around the center shaft and including an internal spur gear profile. The scrubber assembly further includes a first pinion gear engagable with the internal spur gear profile of the rotary cylinder and aligned off-center from the center shaft and a first end bracket coupled to a first end of the center shaft and rotatable about the first pinion gear.Type: GrantFiled: August 6, 2015Date of Patent: June 13, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Publication number: 20160199759Abstract: Embodiments of the invention provide a debris bag and a collar for a pool cleaner. The debris bag includes a body defined by two opposing sheets of filtration media that are joined together to form an interior compartment. A neck portion extends downwardly from the sheets. A support ring is disposed adjacent the bottom end of the neck portion and an orientation tab extends upwardly from the support ring toward the interior compartment.Type: ApplicationFiled: January 14, 2016Publication date: July 14, 2016Inventors: Suresh C. Gopalan, Jayamurali Kaladharan
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Publication number: 20150345165Abstract: Embodiments of the invention provide a scrubber assembly for a pool cleaner comprising a center shaft and a rotary cylinder positioned around the center shaft and including an internal spur gear profile. The scrubber assembly further includes a first pinion gear engagable with the internal spur gear profile of the rotary cylinder and aligned off-center from the center shaft and a first end bracket coupled to a first end of the center shaft and rotatable about the first pinion gear.Type: ApplicationFiled: August 6, 2015Publication date: December 3, 2015Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Patent number: 9119463Abstract: Embodiments of the invention provide a pool cleaner for use in a swimming pool or spa including a front wheel assembly and a scrubber assembly. The scrubber assembly is engagable with inner gear teeth of the front wheel assembly so that rotation of the front wheel assembly causes rotation of the scrubber assembly. The scrubber assembly includes at least one pinion gear and at least one end bracket rotatable about the at least one pinion gear to substantially lift the scrubber assembly over objects in the swimming pool or spa.Type: GrantFiled: October 3, 2011Date of Patent: September 1, 2015Assignee: Pentair Water Pool & Spa, Inc.Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan
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Publication number: 20150167338Abstract: According to some embodiments, a pool cleaner includes a chassis, a housing supported by the chassis, at least one drive wheel supported by the chassis, and a turbine assembly that rotates in one of a first direction and a second direction to drive the at least one drive wheel. The pool cleaner also includes a timer disc assembly with at least one rotating timer disc. The timer disc assembly controls a flow of pressurized fluid away from the housing in a forward direction for backward propulsion assistance of the pool cleaner during a first time period, a rearward direction for forward propulsion assistance of the pool cleaner during a second time period, and a sideways direction for turning propulsion assistance of the pool cleaner during at least a portion of one of the first time period and the second time period.Type: ApplicationFiled: February 27, 2015Publication date: June 18, 2015Inventors: Suresh Gopalan, Nitin Agarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Publication number: 20150159392Abstract: 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.Type: ApplicationFiled: February 17, 2015Publication date: June 11, 2015Inventors: Suresh C. Gopalan, Nitin Agarwal, Jayamurali Kaladharan
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Patent number: 8990990Abstract: Embodiments of the invention provide a system and method for operating a pressure-driven pool cleaner. The system includes a hydraulic timer assembly and a venturi vacuum assembly. The method includes directing water to the hydraulic timer assembly and the venturi vacuum assembly, driving the pressure-driven pool cleaner with the hydraulic timer assembly according to a timed movement cycle including a combination of backward movement and forward movement, and suctioning debris with the venturi vacuum assembly. The venturi vacuum assembly is independent of the hydraulic timer assembly so that suctioning occurs during the backward movement and the forward movement.Type: GrantFiled: October 3, 2011Date of Patent: March 31, 2015Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan, Brian King, Leonard Richiuso
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Patent number: 8956533Abstract: Embodiments of the invention provide a pool cleaner including a supply mast, a distributor manifold, and a venturi vacuum assembly. The distributor manifold receives water from the supply mast and the venturi vacuum assembly is in fluid communication with the distributor manifold. The venturi vacuum assembly includes a suction mast, at least one first stage jet nozzle directed upward and into the suction mast, and at least one second stage jet nozzle positioned vertically above the at least one first stage jet nozzle and directed upward and into the suction mast.Type: GrantFiled: October 3, 2011Date of Patent: February 17, 2015Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan
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Publication number: 20140124423Abstract: Embodiments of the invention provide a sweep tail for a pool cleaner including a hose, a connector coupled to a first end of the hose and connecting the hose to the pool cleaner, and a scrubber coupled to the hose near a second end of the hose. The scrubber can include a first bearing coupled to and positioned around the hose, a second bearing positioned around the first bearing, and a scrubbing element positioned around the second bearing. The second bearing is capable of rotating around the first bearing and the scrubbing element is capable of rotating with the second bearing around the first bearing.Type: ApplicationFiled: November 5, 2012Publication date: May 8, 2014Inventors: Suresh C. Gopalan, Jayamurali Kaladharan, Adam Key, Narender Sanwal
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Publication number: 20130081986Abstract: Embodiments of the invention provide a pool cleaner including a supply mast, a distributor manifold, and a venturi vacuum assembly. The distributor manifold receives water from the supply mast and the venturi vacuum assembly is in fluid communication with the distributor manifold. The venturi vacuum assembly includes a suction mast, at least one first stage jet nozzle directed upward and into the suction mast, and at least one second stage jet nozzle positioned vertically above the at least one first stage jet nozzle and directed upward and into the suction mast.Type: ApplicationFiled: October 3, 2011Publication date: April 4, 2013Inventors: Suresh Gopalan, Nitin Aggarwal, Jayamurali Kaladharan