Patents by Inventor Lars Noergaard Oernbo

Lars Noergaard Oernbo 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).

  • Method and apparatus for identifying erroneous discharge air temperature (DAT) sensor installation
    Patent number: 11415470
    Abstract: A method of monitoring a HVAC system to detect erroneous sensor installation. The method includes determining whether a circulation fan has been operational for a first predetermined time interval. If the circulation fan has been operational for the first predetermined time interval, determining whether a cooling demand is present. If the cooling demand is present, determining whether the HVAC system has been conditioning air for the first predetermined time interval responsive to the cooling demand. If the HVAC system has been conditioning the air for the first predetermined time interval, determining whether a difference between an indoor air temperature value corresponding to an enclosed space and an air temperature value from a discharge air temperature (DAT) sensor is greater than a predetermined temperature value.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 16, 2022
    Assignee: Lennox Industries Inc.
    Inventors: Payam Delgoshaei, Sridhar Venkatesh, Glenn W. Kowald, Lars Noergaard Oernbo
  • METHOD AND APPARATUS FOR IDENTIFYING ERRONEOUS DISCHARGE AIR TEMPERATURE (DAT) SENSOR INSTALLATION
    Publication number: 20200173868
    Abstract: A method of monitoring a HVAC system to detect erroneous sensor installation. The method includes determining whether a circulation fan has been operational for a first predetermined time interval. If the circulation fan has been operational for the first predetermined time interval, determining whether a cooling demand is present. If the cooling demand is present, determining whether the HVAC system has been conditioning air for the first predetermined time interval responsive to the cooling demand. If the HVAC system has been conditioning the air for the first predetermined time interval, determining whether a difference between an indoor air temperature value corresponding to an enclosed space and an air temperature value from a discharge air temperature (DAT) sensor is greater than a predetermined temperature value.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Applicant: Lennox Industries Inc.
    Inventors: Payam DELGOSHAEI, Sridhar Venkatesh, Glenn W. Kowald, Lars Noergaard Oernbo
  • Method and apparatus for identifying erroneous discharge air temperature (DAT) sensor installation
    Patent number: 10598553
    Abstract: A method of monitoring a HVAC system to detect erroneous sensor installation. The method includes determining whether a circulation fan has been operational for a first predetermined time interval. If the circulation fan has been operational for the first predetermined time interval, determining whether a cooling demand is present. If the cooling demand is present, determining whether the HVAC system has been conditioning air for the first predetermined time interval responsive to the cooling demand. If the HVAC system has been conditioning the air for the first predetermined time interval, determining whether a difference between an indoor air temperature value corresponding to an enclosed space and an air temperature value from a discharge air temperature (DAT) sensor is greater than a predetermined temperature value.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 24, 2020
    Assignee: Lennox Industries Inc.
    Inventors: Payam Delgoshaei, Sridhar Venkatesh, Glenn W. Kowald, Lars Noergaard Oernbo
  • METHOD AND APPARATUS FOR IDENTIFYING ERRONEOUS DISCHARGE AIR TEMPERATURE (DAT) SENSOR INSTALLATION
    Publication number: 20190086276
    Abstract: A method of monitoring a HVAC system to detect erroneous sensor installation. The method includes determining whether a circulation fan has been operational for a first predetermined time interval. If the circulation fan has been operational for the first predetermined time interval, determining whether a cooling demand is present. If the cooling demand is present, determining whether the HVAC system has been conditioning air for the first predetermined time interval responsive to the cooling demand. If the HVAC system has been conditioning the air for the first predetermined time interval, determining whether a difference between an indoor air temperature value corresponding to an enclosed space and an air temperature value from a discharge air temperature (DAT) sensor is greater than a predetermined temperature value.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 21, 2019
    Applicant: Lennox Industries Inc.
    Inventors: Payam DELGOSHAEI, Sridhar Venkatesh, Glenn W. Kowald, Lars Noergaard Oernbo