Patents by Inventor Suresh C. Gopalan
Suresh C. Gopalan 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: 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: 20180106059Abstract: A paddle wheel mechanism for a pool cleaner is provided. The paddle wheel mechanism includes a housing, a paddle wheel shaft, and a paddle wheel. The housing includes an internal flow area and the paddle wheel shaft is supported by the housing. The paddle wheel is supported by the paddle wheel shaft and includes a paddle wheel base extending along a base width, a first-type blade, and a second-type blade. The first-type blade extends radially outward from the paddle wheel base and includes a first blade portion extending from a first side of the paddle wheel base for a first blade width less than the base width. The second-type blade extends radially outward from the paddle wheel base and includes a second blade portion extending from a second, opposite side of the paddle wheel base for a second blade width less than the base width.Type: ApplicationFiled: December 14, 2017Publication date: April 19, 2018Inventors: Satheesh Kumar, Narendra Pratap Singh, Suresh C. Gopalan
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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: 9850672Abstract: Embodiments of the invention provide a paddle wheel mechanism for a pool cleaner. The paddle wheel mechanism includes a housing with an internal flow area, a paddle wheel shaft supported by the housing, and a paddle wheel supported by the paddle wheel shaft. The paddle wheel includes a base extending along a base width and a plurality of paddle wheel blades extending from the base within the internal flow area. The plurality of paddle wheel blades include a first-type blade with a first blade portion having a first blade width, and a second-type blade with a second blade portion having a second blade width. The first blade width and the second blade width are each less than the base width, and the first-type and second-type blades are arranged on the base in an alternating manner.Type: GrantFiled: March 13, 2014Date of Patent: December 26, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Satheesh Kumar, Narendra Pratap Singh, Suresh C. Gopalan
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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: 9745766Abstract: Some embodiments include a debris bag for a pool cleaner. The debris bag includes a sheet of filtration media that forms an opening and a hollow interior portion to capture debris from the pool cleaner. An attachment fixture is located at the opening and includes a ring having a hook area for coupling the attachment fixture to an outlet of the pool cleaner.Type: GrantFiled: March 2, 2015Date of Patent: August 29, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Suresh C. Gopalan, Brian S. King
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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: 9714639Abstract: Some embodiments provide a pool cleaner generator module with magnetic coupling. The generator module can include a housing, a paddle wheel, a magnetic follower, and a generator. The generator can power components of the pool cleaner, such as light emitting diode (LEDs). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be magnetically coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner.Type: GrantFiled: September 4, 2013Date of Patent: July 25, 2017Assignee: Pentair Water Pool and Spa, Inc.Inventors: Brian Deery, Suresh C. Gopalan
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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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Publication number: 20150167337Abstract: Some embodiments include a debris bag for a pool cleaner. The debris bag includes a sheet of filtration media that forms an opening and a hollow interior portion to capture debris from the pool cleaner. An attachment fixture is located at the opening and includes a ring having a hook area for coupling the attachment fixture to an outlet of the pool cleaner.Type: ApplicationFiled: March 2, 2015Publication date: June 18, 2015Inventors: Suresh C. Gopalan, Brian S. King
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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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Publication number: 20140271175Abstract: Embodiments of the invention provide a paddle wheel mechanism for a pool cleaner. The paddle wheel mechanism includes a housing with an internal flow area, a paddle wheel shaft supported by the housing, and a paddle wheel supported by the paddle wheel shaft. The paddle wheel includes a base extending along a base width and a plurality of paddle wheel blades extending from the base within the internal flow area. The plurality of paddle wheel blades include a first-type blade with a first blade portion having a first blade width extending along the paddle wheel base from a first side of the paddle wheel base, and a second-type blade with a second blade portion having a second blade width extending along the paddle wheel base from a second side of the paddle wheel base. The first blade width and the second blade width are each less than the base width, and the first-type and second-type blades are arranged on the base in an alternating manner.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Inventors: Satheesh Kumar, Narendra Pratap Singh, Suresh C. Gopalan
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Publication number: 20140184065Abstract: Embodiments of the invention provide a pool cleaner generator module with magnetic coupling. The generator module can include a housing, a paddle wheel, a magnetic follower, and a generator. The generator can power components of the pool cleaner, such as light emitting diode (LEDs). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be magnetically coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner.Type: ApplicationFiled: September 4, 2013Publication date: July 3, 2014Inventors: Brian Deery, Suresh C. Gopalan
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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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Patent number: 7726342Abstract: A backup valve for use with a pool cleaner coupled to a source of water under pressure. The valve includes a housing having an inlet and at least a first outlet and a second outlet. The valve further includes a timing apparatus directing water from said inlet to the first outlet or the second outlet. In addition, an adjustable flow controller over the second outlet is provided to increase the flow speed of fluid exiting the outlet.Type: GrantFiled: May 20, 2008Date of Patent: June 1, 2010Assignee: Pentair Water Pool and Spa, Inc.Inventors: Sanford F. Campbell, Suresh C Gopalan
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Publication number: 20090025812Abstract: A backup valve for use with a pool cleaner coupled to a source of water under pressure. The valve includes a housing having an inlet and at least a first outlet and a second outlet. The valve further includes a timing apparatus directing water from said inlet to the first outlet or the second outlet. In addition, an adjustable flow controller over the second outlet is provided to increase the flow speed of fluid exiting the outlet.Type: ApplicationFiled: May 20, 2008Publication date: January 29, 2009Inventors: Sanford F. Campbell, Suresh C. Gopalan
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Patent number: 7373948Abstract: A backup valve for use with a pool cleaner coupled to a source of water under pressure. The valve includes a housing having an inlet and at least a first outlet and a second outlet. The valve further includes a timing apparatus directing water from said inlet to the first outlet or the second outlet. In addition, an adjustable flow controller over the second outlet is provided to increase the flow speed of fluid exiting the outlet.Type: GrantFiled: January 21, 2004Date of Patent: May 20, 2008Assignee: Pentair Water Pool and Spa, Inc.Inventors: Sanford F. Campbell, Suresh C. Gopalan