Patents by Inventor Praveena Alangar Subrahmanya

Praveena Alangar Subrahmanya 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).

  • Patent number: 11949316
    Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a motor configured to drive a component of the HVAC unit and a jacket disposed about the motor and comprising a cavity defined by a housing of the jacket. The jacket is configured to receive a flow of working fluid and to place the working fluid in a heat exchange relationship with the motor.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: April 2, 2024
    Assignee: TYCO FIRE & SECURITY GMBH
    Inventors: Praveena Alangar Subrahmanya, Deepak Dilipsingh Dixit
  • Publication number: 20230364967
    Abstract: Airflow volume and/or direction from configurable remote heat exchanger unit of a transport climate control system providing climate control within a climate controlled space of a transport unit may be variably controlled based on sensor data.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 16, 2023
    Inventors: Praveena Alangar SUBRAHMANYA, Grant Mies NIEHAUS, Yirong JIANG, Thomas W. KAMPF, Eamonn T MEE
  • Publication number: 20230341168
    Abstract: A configurable remote heat exchanger unit of a transport climate control system providing climate control within a climate controlled space of a transport unit is provided. The configurable remote heat exchanger unit includes an air intake, at least one heat exchanger coil over which air received through the air intake is directed to the air outlet, an air outlet, and a separable air duct system configured to variably direct conditioned air received from the air outlet out from the configurable remote heat exchanger unit.
    Type: Application
    Filed: April 20, 2023
    Publication date: October 26, 2023
    Inventors: Praveena Alangar SUBRAHMANYA, Grant Mies NIEHAUS, Yirong JIANG, Eamonn T MEE, Thomas W. KAMPF, Sumit PATWARDHAN, David J. DYKES
  • Patent number: 11504657
    Abstract: A filter assembly and a method of operating the same to detect water leaks are provided. The filter assembly includes a filter housing for receiving a filter cartridge and at least partially defining a drain trough positioned below the filter cartridge for collecting leaked water. A light source is positioned proximate the drain trough for directing light through the drain trough and a light sensor is positioned proximate the drain trough for sensing the light directed through the drain trough. A controller uses the light sensor to monitor the light generated by the light source and determines that a leak exists when an intensity of sensed light is reduced by the leaked water.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: November 22, 2022
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Praveena Alangar Subrahmanya, Sharath Chandra Prasad, Somak Chatterjee
  • Publication number: 20220286015
    Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a motor configured to drive a component of the HVAC unit and a jacket disposed about the motor and comprising a cavity defined by a housing of the jacket. The jacket is configured to receive a flow of working fluid and to place the working fluid in a heat exchange relationship with the motor.
    Type: Application
    Filed: March 3, 2021
    Publication date: September 8, 2022
    Inventors: Praveena Alangar Subrahmanya, Deepak Dillipsingh Dixit
  • Patent number: 11236940
    Abstract: An egg boiler device for a refrigerator appliance is provided. In one aspect, a refrigerator appliance has a refrigerator door that defines a dispenser recess. The egg boiler device includes an end cap and a canister for receiving one or more eggs for cooking. The egg boiler device is positioned within the dispenser recess and the end cap is mounted to a dispenser assembly. A dispenser of the dispenser assembly directs a volume of heated water into the egg boiler device. The heated water imparts thermal energy to the eggs, and consequently, the eggs are cooked.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: February 1, 2022
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Syed Moin Ahmed, Gaurav Kumar Verma, Sharath Chandra Prasad, Praveena Alangar Subrahmanya
  • Patent number: 11162933
    Abstract: A system and method are directed to detecting the presence of heavy metals in a flowing fluid, such as a drinking water supply. The system includes a first chamber for receiving a filtered portion of the fluid and a second chamber for receiving an unfiltered portion of the fluid. A test device measures electrical properties of the filtered fluid in the first chamber and the unfiltered fluid in the second chamber, such as an electric potential difference, and a controller can use the measured electrical properties to detect the presence or quantity of one or more heavy metals within the fluid, such as lead, cadmium, zinc, nickel, and/or copper.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: November 2, 2021
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Somak Chatterjee, Gregory Sergeevich Chernov, Andrew Reinhard Krause, Sharath Chandra Prasad, Praveena Alangar Subrahmanya
  • Publication number: 20210080169
    Abstract: An egg boiler device for a refrigerator appliance is provided. In one aspect, a refrigerator appliance has a refrigerator door that defines a dispenser recess. The egg boiler device includes an end cap and a canister for receiving one or more eggs for cooking. The egg boiler device is positioned within the dispenser recess and the end cap is mounted to a dispenser assembly. A dispenser of the dispenser assembly directs a volume of heated water into the egg boiler device. The heated water imparts thermal energy to the eggs, and consequently, the eggs are cooked.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 18, 2021
    Inventors: Syed Moin Ahmed, Gaurav Kumar Verma, Sharath Chandra Prasad, Praveena Alangar Subrahmanya
  • Patent number: 10946319
    Abstract: A filter assembly with features for improved filter cartridge placement and detection are provided. The filter assembly includes a filter cartridge and a filter housing for receiving the filter cartridge. A contact member extends from the filter housing for engaging the filter cartridge when the filter cartridge in the installed position. A first contact is mounted to the contact member and a second contact is mounted to the filter cartridge such that the first contact and the second contact establish an electrical connection when the filter cartridge in the installed position.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 16, 2021
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Praveena Alangar Subrahmanya, Sharath Chandra Prasad, Gregory Sergeevich Chernov
  • Publication number: 20210072214
    Abstract: A system and method are directed to detecting the presence of heavy metals in a flowing fluid, such as a drinking water supply. The system includes a first chamber for receiving a filtered portion of the fluid and a second chamber for receiving an unfiltered portion of the fluid. A test device measures electrical properties of the filtered fluid in the first chamber and the unfiltered fluid in the second chamber, such as an electric potential difference, and a controller can use the measured electrical properties to detect the presence or quantity of one or more heavy metals within the fluid, such as lead, cadmium, zinc, nickel, and/or copper.
    Type: Application
    Filed: September 11, 2019
    Publication date: March 11, 2021
    Inventors: Somak Chatterjee, Gregory Sergeevich Chernov, Andrew Reinhard Krause, Sharath Chandra Prasad, Praveena Alangar Subrahmanya
  • Patent number: 10932568
    Abstract: A refrigerator appliance including a drawer lifting assembly is provided herein. The drawer lifting assembly may generally employ a motor to rotate a first linkage. The first linkage may be connected to a second linkage so that rotation of the first linkage causes movement of the second linkage. Movement of the second linkage may be constrained by interaction of a guide post connected to the second linkage and a horizontal rail on support frame assembly. This constraint may permit generally linear movement and pivoting of the second linkage. A basket may be connect to an end of the second linkage, wherein pivoting of the second linkage raises the basket.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 2, 2021
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Praveena Alangar Subrahmanya, Ranjith K S, Bart Andrew Nuss, Susheel Kumar Panda, Amruth M Devasahayam
  • Publication number: 20210022496
    Abstract: A refrigerator appliance including a drawer lifting assembly is provided herein. The drawer lifting assembly may generally employ a motor to rotate a first linkage. The first linkage may be connected to a second linkage so that rotation of the first linkage causes movement of the second linkage. Movement of the second linkage may be constrained by interaction of a guide post connected to the second linkage and a horizontal rail on support frame assembly. This constraint may permit generally linear movement and pivoting of the second linkage. A basket may be connect to an end of the second linkage, wherein pivoting of the second linkage raises the basket.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 28, 2021
    Inventors: Praveena Alangar Subrahmanya, Ranjith K S, Bart Andrew Nuss, Susheel Kumar Panda, Amruth M. Devasahayam
  • Publication number: 20200306672
    Abstract: A filter assembly and a method of operating the same to detect water leaks are provided. The filter assembly includes a filter housing for receiving a filter cartridge and at least partially defining a drain trough positioned below the filter cartridge for collecting leaked water. A light source is positioned proximate the drain trough for directing light through the drain trough and a light sensor positioned proximate the drain trough for sensing the light directed through the drain trough. A controller uses the light sensor to monitor the light generated by the light source and determines that a leak exists when an intensity of sensed light is reduced by the leaked water.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 1, 2020
    Inventors: Praveena Alangar Subrahmanya, Sharath Chandra Prasad, Somak Chatterjee
  • Publication number: 20200309429
    Abstract: A filter assembly for authenticating a filter cartridge includes a filter housing and an optical receiver mounted to the filter housing.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 1, 2020
    Inventors: Praveena Alangar Subrahmanya, Sharath Chandra Prasad, Gregory Sergeevich Chernov, Andrew Reinhard Krause
  • Publication number: 20200306671
    Abstract: A filter assembly with features for improved filter cartridge placement and detection are provided. The filter assembly includes a filter cartridge and a filter housing for receiving the filter cartridge. A contact member extends from the filter housing for engaging the filter cartridge when the filter cartridge in the installed position. A first contact is mounted to the contact member and a second contact is mounted to the filter cartridge such that the first contact and the second contact establish an electrical connection when the filter cartridge in the installed position.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 1, 2020
    Inventors: Praveena Alangar Subrahmanya, Sharath Chandra Prasad, Gregory Sergeevich Chernov