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公开(公告)号：US11143428B2
公开(公告)日：2021-10-12
申请号：US16265734
申请日：2019-02-01
Applicant: Johnson Controls Technology Company
Inventor： Gaurav S. Patil , Naushad Parapurath Monangat , John L. McElvany , Karan Garg
IPC: F24F11/81
Abstract: The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit configured to supply conditioned air to a conditioned space. The HVAC unit includes a first exhaust fan capable of operating at variable speeds and a second constant-speed fan. The HVAC unit also includes a controller configured to determine a target airflow to be provided to the conditioned space, cause actuation of the first exhaust fan at a variable fan speed when the target airflow is greater than zero, and cause actuation of the second exhaust fan when the target airflow is greater than an airflow threshold.
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公开(公告)号：US11112129B2
公开(公告)日：2021-09-07
申请号：US16113994
申请日：2018-08-27
Applicant: Johnson Controls Technology Company
Inventor： Sriram Ramanujam , Amit R. Chothave , Karan Garg
Abstract: The present disclosure relates to a centering system for a heating, ventilation, and/or air conditioning (HVAC) unit to be mounted to a curb. The centering system includes a centering wedge configured to couple to a base rail of the HVAC unit, the base rail having a lateral surface and a base surface along a length of the HVAC unit. The centering wedge includes an angled surface configured to extend between the lateral surface of the base rail and the base surface of the base rail. The angled surface is configured to contact the curb during installation of the HVAC unit to guide the HVAC unit toward a centered position on the curb.
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公开(公告)号：US20200149754A1
公开(公告)日：2020-05-14
申请号：US16206293
申请日：2018-11-30
Applicant: Johnson Controls Technology Company
Inventor： Baskaran K , Karan Garg , Curtis W. Caskey , Norman J. Blanton , Anthony J. Reardon , Zhiwei Huang
Abstract: The present disclosure relates to a heating, ventilation, and/or air conditioning (HVAC) system that has a first circuit and a second circuit that each have a compressor and a condenser, a conduit extending from the second circuit downstream of the condenser to the first circuit upstream of the compressor, a valve along the conduit that may manage flow therethrough, and a controller that may operate the HVAC system in a first mode such that each circuit separately circulates the refrigerant in each circuit and transition to a second mode such that refrigerant-sharing occurs between the circuits. In response to a request to transition from the second mode to the first mode, the controller may determine an amount of refrigerant subcooling, compare the amount to a threshold value associated with the first mode, and instruct opening of the valve upon a determination that the amount is less than the threshold value.
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公开(公告)号：US12098860B2
公开(公告)日：2024-09-24
申请号：US16366164
申请日：2019-03-27
Applicant: Johnson Controls Technology Company
Inventor： Anthony J. Reardon , Praveen M. Gotakhindi , Sriram Ramanujam , Karan Garg
IPC: F24F11/871 , F24F1/0093 , F24F1/0375 , F24F11/88
CPC classification number: F24F11/871 , F24F1/0093 , F24F1/0375 , F24F11/88 , F24F2221/16 , F24F2221/34
Abstract: A heating, ventilation, and/or air conditioning (HVAC) unit includes a heater housing having a first side wall, a second side wall opposing the first side wall, and a ceiling extending between the first side wall and second side wall. The HVAC unit also includes a first mounting rail disposed across the first side wall at a first distance from the ceiling, and a second mounting rail disposed across the second side wall at a second distance from the ceiling. The first distance is greater than the second distance. The HVAC unit also includes a heating element assembly coupled to the first and second mounting rails and having a planar heating interface extending from the first mounting rail to the second mounting rail.
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公开(公告)号：US11920831B2
公开(公告)日：2024-03-05
申请号：US16366750
申请日：2019-03-27
Applicant: Johnson Controls Technology Company
Inventor： Anthony J. Reardon , Praveen M. Gotakhindi , Sriram Ramanujam , Karan Garg , Sumedh J. Suryawanshi , Jim George
IPC: F24H9/20 , F24D19/10 , F24H3/04 , F24H9/00 , F24H15/204 , F24H15/242 , F24H15/254 , F24H15/33 , F24H15/345 , F24H15/37 , F24H15/375 , F24H15/414
CPC classification number: F24H9/2071 , F24D19/1087 , F24H3/0411 , F24H9/0057 , F24H15/204 , F24H15/242 , F24H15/254 , F24H15/33 , F24H15/345 , F24H15/37 , F24H15/375 , F24H15/414
Abstract: A heating unit for a heating, ventilation and/or air conditioning (HVAC) system may have a first airflow path through the heating unit, a second airflow path through the heating unit, and a heater assembly having a first heating coil positioned within the first airflow path, a second heating coil positioned within the second airflow path, and a coil divider separating the first heating coil and the second heating coil.
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Patent Agency Ranking
公开(公告)号：US20210333011A1
公开(公告)日：2021-10-28
申请号：US17235703
申请日：2021-04-20
Applicant: Johnson Controls Technology Company
Inventor： Karan Garg , Sriram Ramanujam , Mujibul R. Mohammad , Praveen M. Gotakhindi , Amit R. Chothave
IPC: F24F13/22
Abstract: A heating, ventilation, and air conditioning (HVAC) unit includes a blower support frame and a condensate drain panel assembly. The blower support frame is configured to support one or more blowers of the HVAC unit. The condensate drain panel assembly includes a first condensate drain panel coupled to the blower support frame at a first angle relative to horizontal, a second condensate drain panel coupled to the blower support frame at a second angle relative to horizontal, and a cover panel. The condensate drain panel assembly is configured to direct condensate away from the blower support frame and towards a main condensate drain pan.
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公开(公告)号：US11125275B2
公开(公告)日：2021-09-21
申请号：US16247355
申请日：2019-01-14
Applicant: Johnson Controls Technology Company
Inventor： Pankaj D. Nalamwar , Dnyaneshwar G. Rokade , Rammohan Sethuraj , Karan Garg
Abstract: The present disclosure relates to a heating, ventilation, and/or air conditioning (HVAC) unit including a condenser coil and a condenser fan assembly. The condenser fan assembly includes a first fan and a second fan, where the first fan and the second fan are each configured to operate to pull air through the condenser coil. The HVAC unit also includes a motor of the first fan including a housing and a shaft, where the motor is configured to operate to rotate the shaft in a first direction. The HVAC unit further includes a unidirectional bearing that is coupled to the shaft and a mounting assembly of the condenser fan assembly, where the unidirectional bearing is configured to block rotation of the shaft in a second direction that is opposite the first direction.
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公开(公告)号：US10830490B2
公开(公告)日：2020-11-10
申请号：US16102513
申请日：2018-08-13
Applicant: Johnson Controls Technology Company
Inventor： Dnyaneshwar G. Rokade , Sriram Ramanujam , Karan Garg
Abstract: The present disclosure relates to a liquid drainage system for a heating, ventilation, and/or air conditioning (HVAC) system, where the liquid drainage system includes a drain pan configured to collect and drain condensate within a housing. The drain pan is configured to be mounted within the housing separate from an evaporator assembly and is removable from the housing independent of the evaporator assembly. The liquid drainage system also includes a drain pan extension plate configured to collect and drain condensate to the drain pan, where the drain pan extension plate is configured be removably mounted within the housing. The drain pan extension plate and the drain pan are configured to overlap with one another, in an assembled configuration, along a direction of airflow across the evaporator assembly.
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公开(公告)号：US20200309414A1
公开(公告)日：2020-10-01
申请号：US16366750
申请日：2019-03-27
Applicant: Johnson Controls Technology Company
Inventor： Anthony J. Reardon , Praveen M. Gotakhindi , Sriram Ramanujam , Karan Garg , Sumedh J. Suryawanshi , Jim George
Abstract: A heating unit for a heating, ventilation and/or air conditioning (HVAC) system may have a first airflow path through the heating unit, a second airflow path through the heating unit, and a heater assembly having a first heating coil positioned within the first airflow path, a second heating coil positioned within the second airflow path, and a coil divider separating the first heating coil and the second heating coil.
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公开(公告)号：US20200240672A1
公开(公告)日：2020-07-30
申请号：US16265734
申请日：2019-02-01
Applicant: Johnson Controls Technology Company
Inventor： Gaurav S. Patil , Naushad Parapurath Monangat , John L. McElvany , Karan Garg
IPC: F24F11/81
Abstract: The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit configured to supply conditioned air to a conditioned space. The HVAC unit includes a first exhaust fan capable of operating at variable speeds and a second constant-speed fan. The HVAC unit also includes a controller configured to determine a target airflow to be provided to the conditioned space, cause actuation of the first exhaust fan at a variable fan speed when the target airflow is greater than zero, and cause actuation of the second exhaust fan when the target airflow is greater than an airflow threshold.
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