Patents by Inventor Sunil K. Khiani
Sunil K. Khiani 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: 11658547Abstract: A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, determining a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor.Type: GrantFiled: September 14, 2022Date of Patent: May 23, 2023Assignee: Lennox Industries Inc.Inventors: Stephen J. Vendt, Austin Clay Styer, Palanivel Subramaniam, Sunil K. Khiani, Wei Wang, Nasim Rahman
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Patent number: 11644209Abstract: A heating, ventilation, and air-conditioning (HVAC) system includes a first control unit and a second control unit. The first control unit is communicatively coupled to a first plurality of HVAC units, a first interactive display, and a first plurality of wireless sensors using a Wi-Fi direct protocol. The second control unit is communicatively coupled to a second plurality of HVAC units, a second interactive display, and a second plurality of wireless sensors over a Wi-Fi network. The first control unit is operable to connect to the second control unit using the Wi-Fi direct protocol. Upon connecting to the second control unit, the first control unit switches communications with the first plurality of HVAC units, the first interactive display, and the first plurality of wireless sensors from the Wi-Fi direct protocol to the Wi-Fi network.Type: GrantFiled: March 2, 2021Date of Patent: May 9, 2023Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Publication number: 20230006518Abstract: A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, determining a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor.Type: ApplicationFiled: September 14, 2022Publication date: January 5, 2023Applicant: Lennox Industries Inc.Inventors: STEPHEN J. VENDT, Austin Clay STYER, Palanivel SUBRAMANIAM, Sunil K. KHIANI, Wei WANG, Nasim RAHMAN
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Patent number: 11482909Abstract: A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, determining a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor.Type: GrantFiled: June 17, 2020Date of Patent: October 25, 2022Inventors: Stephen J. Vendt, Austin Clay Styer, Palanivel Subramaniam, Sunil K. Khiani, Wei Wang, Nasim Rahman
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Publication number: 20210399612Abstract: A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, determining a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor.Type: ApplicationFiled: June 17, 2020Publication date: December 23, 2021Applicant: Lennox Industries Inc.Inventors: Stephen J. Vendt, Austin Clay Styer, Palanivel Subramaniam, Sunil K. Khiani, Wei Wang, Nasim Rahman
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Publication number: 20210180824Abstract: A heating, ventilation, and air-conditioning (HVAC) system includes a first control unit and a second control unit. The first control unit is communicatively coupled to a first plurality of HVAC units, a first interactive display, and a first plurality of wireless sensors using a Wi-Fi direct protocol. The second control unit is communicatively coupled to a second plurality of HVAC units, a second interactive display, and a second plurality of wireless sensors over a Wi-Fi network. The first control unit is operable to connect to the second control unit using the Wi-Fi direct protocol. Upon connecting to the second control unit, the first control unit switches communications with the first plurality of HVAC units, the first interactive display, and the first plurality of wireless sensors from the Wi-Fi direct protocol to the Wi-Fi network.Type: ApplicationFiled: March 2, 2021Publication date: June 17, 2021Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10969132Abstract: In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. A second control unit communicatively coupled to a second plurality of HVAC units and a second interactive display. The first control unit is operable to detect and connect to the second control unit using a Wi-Fi direct protocol to create an HVAC control network that is designated as a primary communications network. The first control unit further operable to detect a Wi-Fi network including a wireless access point. The first control unit operable to re-designate the HVAC control network as a secondary communications network and to designate the Wi-Fi network as the primary communications network.Type: GrantFiled: November 9, 2018Date of Patent: April 6, 2021Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10895396Abstract: In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a second control unit communicatively coupled to a second plurality of HVAC units. The first control unit may connect to the second control unit using a Wi-Fi direct protocol to create an HVAC control network. The first control unit and second control unit may each detect and connect to a Wi-Fi network comprising a wireless access point. The first and second control units may then communicate concurrently over both the HVAC control network and the Wi-Fi network. The first control unit may detect a user device over the Wi-Fi network, receive a first command from the user device over the Wi-Fi network, and communicate the first command to the second control unit over the Wi-Fi network.Type: GrantFiled: May 14, 2015Date of Patent: January 19, 2021Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10809886Abstract: A system includes a plurality of programmable intelligent thermostats positioned within at least one of a first home environment and a second home environment, a plurality of communication devices configured to operate an electronic media sharing application, and at least one server configured to communicate with the plurality of programmable intelligent thermostats and the plurality of communication devices via a wireless network. A user initiates the electronic media sharing application on at least one of the plurality of communication devices. A touch-screen display of the at least one communication device demonstrates the plurality of programmable intelligent thermostats positioned within the first and second home environments and at least one user-selected electronic media is simultaneously uploaded to at least one of the plurality of programmable intelligent thermostats responsive to a user selection of a region on the touch-screen display.Type: GrantFiled: February 3, 2020Date of Patent: October 20, 2020Assignee: Lennox Industries Inc.Inventors: Sunil K. Khiani, Sridharan Shanmugam
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Patent number: 10782039Abstract: A thermostat includes a front housing, a rear housing interoperably coupled to the front housing, at least one sensor integrated with the front housing, a display integrated with the front housing, and processing circuitry interoperably coupled to the at least one sensor and the display. The display is a touch-screen display and is configured to demonstrate a user-interface screen. The user-interface screen comprises a horseshoe-shaped temperature scale, a heat set-point control, and a cool set-point control. The heat set-point control and the cool set-point control are positioned on the horseshoe-shaped temperature scale. The horseshoe-shaped temperature scale can be adjusted by dragging at least one of the heat set-point control and the cool set-point control along circumferential edges of the horseshoe-shaped temperature scale.Type: GrantFiled: May 14, 2015Date of Patent: September 22, 2020Assignee: Lennox Industries Inc.Inventors: Kyle Golden, Daniel Castillo, Keith Mowery, Jayprakash Charavda, Melissa Amoros, Sunil K. Khiani, Steve Lazar
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Publication number: 20200167050Abstract: A system includes a plurality of programmable intelligent thermostats positioned within at least one of a first home environment and a second home environment, a plurality of communication devices configured to operate an electronic media sharing application, and at least one server configured to communicate with the plurality of programmable intelligent thermostats and the plurality of communication devices via a wireless network. A user initiates the electronic media sharing application on at least one of the plurality of communication devices. A touch-screen display of the at least one communication device demonstrates the plurality of programmable intelligent thermostats positioned within the first and second home environments and at least one user-selected electronic media is simultaneously uploaded to at least one of the plurality of programmable intelligent thermostats responsive to a user selection of a region on the touch-screen display.Type: ApplicationFiled: February 3, 2020Publication date: May 28, 2020Applicant: Lennox Industries Inc.Inventors: Sunil K. Khiani, Sridharan Shanmugam
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Patent number: 10599294Abstract: A system includes a plurality of programmable intelligent thermostats positioned within at least one of a first home environment and a second home environment, a plurality of communication devices configured to operate an electronic media sharing application, and at least one server configured to communicate with the plurality of programmable intelligent thermostats and the plurality of communication devices via a wireless network. A user initiates the electronic media sharing application on at least one of the plurality of communication devices. A touch-screen display of the at least one communication device demonstrates the plurality of programmable intelligent thermostats positioned within the first and second home environments and at least one user-selected electronic media is simultaneously uploaded to at least one of the plurality of programmable intelligent thermostats responsive to a user selection of a region on the touch-screen display.Type: GrantFiled: June 27, 2017Date of Patent: March 24, 2020Assignee: Lennox Industries Inc.Inventors: Sunil K. Khiani, Sridharan Shanmugam
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Patent number: 10386088Abstract: A control unit for controlling an HVAC network that includes a first interface operable to facilitate communications with a plurality of HVAC units and a second interface operable to facilitate communication with an interactive display. The control unit further includes a system clock, a Wi-Fi module, a universal settings database, and a processor. The processor is configured to connect to the communications network using the Wi-Fi module, to detect a sibling control unit over the communications network, and to receive a sibling control unit time for the sibling control unit. The processor is further configured to determine that the control unit time is synchronized with the sibling control unit time, to generate a setting update that includes values for one or more settings, and to transmit the setting update to the sibling control unit.Type: GrantFiled: November 21, 2018Date of Patent: August 20, 2019Assignee: Lennox Industries, Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10302329Abstract: In one embodiment a control unit for managing an HVAC system includes an RS-BUS interface that may communicate with one or more HVAC units. A plurality of universal asynchronous receiver/transmitter (UART) ports, wherein at least one of the UART ports may communicate with an interactive display using an RS-485 communication protocol, A secure digital input output (SDIO) port configured to interface with a Wi-Fi module, wherein the Wi-Fi module is operable to communicate with a plurality of HVAC sensors, wherein the plurality of HVAC sensors operable to measure temperature. A processor that may receive, from the SDIO port, a sensor reading from one of the plurality of HVAC sensors, the sensor reading formatted according to an 802.11 Wi-Fi protocol. The processor may then convert the sensor reading from the 802.11 Wi-Fi protocol into an RS-BUS protocol, the RS-BUS protocol may control the one or more HVAC units. The processor may also convert the sensor reading from the 802.Type: GrantFiled: May 14, 2015Date of Patent: May 28, 2019Assignee: Lennox Industries, Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Publication number: 20190086115Abstract: In one embodiment, a system for replicating settings in an HVAC network includes a first control unit including a first internal clock, the first control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. The system may also include a second control unit comprising a second internal clock, the second control unit communicatively coupled to a second plurality of HVAC units and a second interactive display. The system may include a communications network, wherein the first control unit detects the second control unit over the communications network and the first Internal clock and the second internal clock have the same time.Type: ApplicationFiled: November 21, 2018Publication date: March 21, 2019Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Publication number: 20190078803Abstract: In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. A second control unit communicatively coupled to a second plurality of HVAC units and a second interactive display. The first control unit is operable to detect and connect to the second control unit using a Wi-Fi direct protocol to create an HVAC control network that is designated as a primary communications network. The first control unit further operable to detect a Wi-Fi network including a wireless access point. The first control unit operable to re-designate the HVAC control network as a secondary communications network and to designate the Wi-Fi network as the primary communications network.Type: ApplicationFiled: November 9, 2018Publication date: March 14, 2019Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10168065Abstract: In some embodiments a system for troubleshooting an HVAC system includes, a control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. The control unit may connect to a Wi-Fi network generated by a wireless access point connected to the Internet. The control unit detects and connects to a control server over the Internet using the wireless access point. The control unit may detect a local user device over the Wi-Fi network, wherein the local user device may control the plurality HVAC units by communicating with the control unit over the Wi-Fi network. The system may include a mobile troubleshooting device that communicates with the control unit using a Wi-Fi direct protocol without accessing the Wi-Fi network. The system may include a remote troubleshooting device that communicates with the control unit over a control connection established between the control server and the control unit.Type: GrantFiled: May 14, 2015Date of Patent: January 1, 2019Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Patent number: 10171975Abstract: In one embodiment, a system for replicating settings in an HVAC network includes a first control unit including a first internal clock, the first control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. The system may also include a second control unit comprising a second internal clock, the second control unit communicatively coupled to a second plurality of HVAC units and a second interactive display. The system may include a communications network, wherein the first control unit detects the second control unit over the communications network and the first internal clock and the second internal clock have the same time.Type: GrantFiled: May 14, 2015Date of Patent: January 1, 2019Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani
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Publication number: 20180373401Abstract: A system includes a plurality of programmable intelligent thermostats positioned within at least one of a first home environment and a second home environment, a plurality of communication devices configured to operate an electronic media sharing application, and at least one server configured to communicate with the plurality of programmable intelligent thermostats and the plurality of communication devices via a wireless network. A user initiates the electronic media sharing application on at least one of the plurality of communication devices. A touch-screen display of the at least one communication device demonstrates the plurality of programmable intelligent thermostats positioned within the first and second home environments and at least one user-selected electronic media is simultaneously uploaded to at least one of the plurality of programmable intelligent thermostats responsive to a user selection of a region on the touch-screen display.Type: ApplicationFiled: June 27, 2017Publication date: December 27, 2018Applicant: Lennox Industries Inc.Inventors: Sunil K. KHIANI, Sridharan Shanmugam
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Patent number: 10156377Abstract: In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a first interactive display. A second control unit communicatively coupled to a second plurality of HVAC units and a second interactive display. The first control unit is operable to detect and connect to the second control unit using a Wi-Fi direct protocol to create an HVAC control network that is designated as a primary communications network. The first control unit further operable to detect a Wi-Fi network including a wireless access point. The first control unit operable to re-designate the HVAC control network as a secondary communications network and to designate the Wi-Fi network as the primary communications network.Type: GrantFiled: May 14, 2015Date of Patent: December 18, 2018Assignee: Lennox Industries Inc.Inventors: Daniel A. Castillo, Jayprakash Charavda, Nguyen T. Ho, Sunil K. Khiani