Patents Assigned to Carrier Corporation
  • Patent number: 11561028
    Abstract: A system (20; 300) has: a compressor (22) having a suction port (40) and a discharge port (42); an ejector (32) having a motive flow inlet (50), a suction flow inlet (52), and an outlet (54); a separator (34) having an inlet (72), a vapor outlet (74), and a liquid outlet (76); a first heat exchanger (24); an expansion device (28); and a second heat exchanger (26; 302). Conduits and valves are positioned to provide alternative operation in: a cooling mode; a first heating mode; and a second heating mode. In the cooling mode and second heating mode, a needle (60) of the ejector is closed.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: January 24, 2023
    Assignee: Carrier Corporation
    Inventors: Ahmad M. Mahmoud, Parmesh Verma, Zuojun Shi, Frederick J. Cogswell
  • Patent number: 11561034
    Abstract: This refrigerant vessel component (2, 4, 7) for a refrigeration circuit (100), comprises a shell (10) extending along a longitudinal axis (X) delimiting an internal volume (V), in which circulates a refrigerant fluid (R), whereas the refrigerant vessel component (2) comprises an inner shell (20) located radially inside the shell (10) and extending on at least a portion of the circumference of the shell (10), and whereas the inner shell (20) is at least partly formed of perforated material.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: January 24, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Jeremy Wallet-Laïly, Charbel Rahhal, Francois Lambert, Aurelien Jud
  • Patent number: 11561536
    Abstract: A building management system is provided. The building management system includes one or more variable air volume units and a controller. The controller includes a processor and a memory. The memory stores processor executable instruction. The processor executable instruction when executed by the processor cause the building management system to perform functional tests on the one or more variable air volume units of the building management system to generate building data; analyze the building data to produce health information per functional test; and visualize a condition of the building system based on the health information.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: January 24, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Rohan Chabukswar, Kushal Mukherjee, Anarta Ghosh
  • Patent number: 11559147
    Abstract: A refrigerated display case includes a housing surrounding multiple shelves. An air distribution gap is defined behind the shelves. An air return passage is defined below the shelves. A radial cross-flow fan is disposed in a fan region of the air return passage. The radial cross-flow fan includes an output connected to the air distribution gap. A primary cooling microchannel heat exchanger is disposed in the fan region downstream of the radial cross-flow fan such that air output from the radial cross-flow fan to the air distribution gap passes through the primary cooling microchannel heat exchanger. A pre-cooler microchannel heat exchanger is disposed upstream of the primary cooling microchannel heat exchanger.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: January 24, 2023
    Assignee: Carrier Corporation
    Inventor: Arindom Joardar
  • Patent number: 11561021
    Abstract: A method of estimating power flexibility for a climate system includes receiving a component power flexibility measurement from one or more components of the climate system, and aggregating the component power flexibility measurement from each of the one or more components of the climate system to determine a climate system power flexibility. A method of responding to a fast demand request from an electrical power source for a climate system is also disclosed.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: January 24, 2023
    Assignee: Carrier Corporation
    Inventors: Stefano Riverso, Marcin Cychowski
  • Patent number: 11557161
    Abstract: A system and a method for providing security to premises. A method includes receiving first access information from an accessing unit associated with a premises on accessing the premises by a first user and second access information from a sensing unit associated with the premises on sensing access of the premises by a second user. The method further includes determining correlation between the first access information and the second access information and transmitting a message based on the correlation.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Ramesh Lingala, Adam Kuenzi
  • Patent number: 11555502
    Abstract: An illustrative example embodiment of a compressor includes an inlet defining an intake passage, a plurality of lateral inlet guide vanes in the intake passage, and a plurality of medial inlet guide vanes in the intake passage. The lateral guide vanes are selectively oriented to alter an amount of fluid flow through a first, lateral portion of the intake passage. The medial inlet guide vanes are selectively oriented to alter an amount of fluid flow through a second, medial portion of the intake passage.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Vishnu M. Sishtla, Chaitanya Vishwajit Halbe
  • Patent number: 11557162
    Abstract: A prestaging, gesture-based, access control system includes a local access assembly, a mobile device, a storage medium, and a processor. The assembly includes a controller to effect actuation between access and no-access states. The mobile device is carried by a user, and includes a detection system configured to detect a prestaging event inherently performed by the user toward an intent to gain access and followed by the detection of a primary intentional gesture specifically performed by the user toward the intent to gain access. The storage medium and the processor are configured to receive prestaging event information and primary intentional gesture information from the detection system, and execute an application to determine the performance of the prestaging event from the prestaging event information, then determine the performance of the primary intentional gesture from the primary intentional gesture information if the prestaging event is determined to have occurred.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Ankit Tiwari, Pedro Fernandez-Orellana, Kunal Srivastava, Paul C. O'Neill, Adam Kuenzi
  • Patent number: 11555495
    Abstract: A method of manufacturing a suction pipe for a multi-compressor device having a plurality of inlets, the suction pipe comprising a primary portion and a plurality of secondary portions arranged to receive fluid from the primary portion for supplying fluid in parallel to the inlets of a multi-compressor device. The method includes designing the suction pipe by: selecting a first dimension for the primary portion of the suction pipe, calculating a first fluid velocity for fluid in the primary portion based on the first dimension, and comparing the first fluid velocity to a first predetermined threshold; selecting a second dimension for the secondary portions, calculating a second fluid velocity for fluid in the secondary portions based on the second dimension, and comparing the second fluid velocity to a second predetermined threshold; and calculating a ratio of the first fluid velocity to the second fluid velocity.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Nicolas Fonte, Yvan Alquier
  • Patent number: 11557195
    Abstract: An alarm management system includes a control arrangement, an alarm device, a blockchain, a blockchain application, and a plurality of nodal access sites. The arrangement includes a processor and a storage medium. The device is configured to output an event signal to the control arrangement. The blockchain is stored in the medium, and includes a plurality of transaction types. Each transaction type includes at least one linked transaction, and the at least one linked transaction is time stamped. The blockchain application is stored in the medium, and is executed by the processor, and is configured to time stamp each one of the transactions. The blockchain is applied by the application to determine a current associated transaction with any one of the transaction types, and output data associated with the current transaction. The plurality of nodal access sites are configured to receive and output the data associated with the current transaction.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Shantanu Choudhary, Balaji Kaliappan
  • Patent number: 11554639
    Abstract: An electrical power module and transport refrigeration system. The electrical power module is used for an apparatus powered by a battery or/and a fuel, has a working mode and includes: a DC buck module configured to step-down a DC at least provided by the battery to a low-voltage output DC for output, or/and a DC boost module configured to step-up a low-voltage input DC provided by the apparatus powered by the fuel to a high-voltage DC for output; and a control module connected to a transport refrigeration unit, and configured to, in the working mode, control the operation of the DC buck module or/and the DC boost module.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Pu Zheng, Linhui Chen
  • Patent number: 11554629
    Abstract: A hybrid power conversion system (60) for an air conditioned transport vehicle (24) including a plurality of refrigeration components (52, 54, 56) for heating and/or cooling a refrigerated volume (40). Also included is a battery (62) storing electrical power to be provided to at least one of the plurality of refrigeration components (52, 54, 56). Further included is at least one supplemental power source (68, 70, 72, 76) providing electrical power to the battery (62) to provide a total available DC power for the refrigeration components (52, 54, 56). Yet further included is a power converter (64) converting the total available DC power to a total AC power, the total AC power provided to at least one of the plurality of refrigeration components (52, 54, 56).
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: XuQiang Liao, Garrison S. Moseley
  • Patent number: 11554642
    Abstract: A voltage conversion system includes an energy storage device; a power conversion unit connected to the energy storage device, the power conversion unit comprising: an inductor, the inductor comprising a number of coils that are non-coupled or weakly coupled, with a coupling coefficient less than 0.05; a multi-phase boost stage coupled to the inductor, wherein the multiphase boost stage comprises a number of phases that equals the number of coils; an inverter coupled to the multiphase boost stage; and a load coupled to the power conversion unit.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: January 17, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Xu She, XuQiang Liao, Jaegue Shin, Ismail Agirman, HanJong Kim, David Ginsberg
  • Patent number: 11547889
    Abstract: A fusible mechanical linkage includes a tensioner having an aperture and a spool with guides arranged on an end of the spool opposite the aperture. The guides define a cable seat between one another. A fusible alloy is arranged between the spool and the tensioner, the fusible alloy fixing the spool to the tensioner below a predetermined temperature, the fusible alloy allowing tension carried by an actuation cable received in the cable seat to rotate the spool relative to the tensioner above the predetermined temperature. Fire suppression systems and methods adjusting actuation cables in fire suppression systems are described.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: January 10, 2023
    Assignee: Carrier Corporation
    Inventor: Thomas Kjellman
  • Patent number: 11549732
    Abstract: A refrigeration apparatus, including a main circuit (1) for circulation of a main flow (90) of refrigerant, and a lubrication branch (20), comprising a lubrication inlet (21), configured to derive a lubrication flow (91) from the main flow (90) circulating through a supply part (16) of the main circuit; and a lubrication outlet (22), to feed the compressor (2) with the lubrication flow (91) for lubrication. According to the invention, the refrigeration apparatus further includes: a subcooling branch (40), comprising a subcooling inlet (41), connected to an evaporator (8) of the main circuit (1), so as to derive a subcooling flow (92), and a subcooling outlet (42), connected to the evaporator (8), for reintroducing the subcooling flow (92) into the main flow (90); and a subcooling heat exchanger (31).
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Raphael Muller, Jeremey Wallet-Laily, Charbel Rahhal, Antoine Barriere
  • Patent number: 11551541
    Abstract: Aspects of the invention are directed towards method system and devices assisting the configuration, installation and maintenance of the devices in a system. The invention describes integrating a digitized map on a user terminal. The digitized map comprises positions for configuring one or more devices. The user terminal receives position co-ordinates and configuration information of each of the one or more devices. The user terminal requests configuration for one or more devices and receives the configuration based on the configuration information. The received configuration is transmitted to the one or more thereby configuring the one or more devices.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Sangeeta Wadhwani, Sreeramya Soratkal, Sowmya Paturu
  • Patent number: 11549742
    Abstract: A container refrigeration unit (10) is provided. The container refrigeration unit includes a container (20), a curtain (30), a seal element (40) and a sealing adapter (50). The container includes sidewalls defining an open end (26) and a curtain track (27) proximate the open end. The curtain is sized to cover the open end. The sealing adapter is fittable to the curtain track. An entire periphery of the curtain and an entirety of the seal element are sequentially fittable to the sealing adapter.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Farley William Postgate, Robert C. Spearing
  • Patent number: 11548353
    Abstract: A transport refrigeration system including: a transportation refrigeration unit configured to provide conditioned air to a refrigerated cargo space; an energy storage device configured to store DC electrical energy to power the transportation refrigeration unit; and a DC-to-AC variable invertor electrically connecting the energy storage device to the transportation refrigeration unit, the DC-to-AC variable invertor being configured to convert the DC electrical energy from the energy storage device to AC electrical energy in a variable continuous energy output to power the transportation refrigeration unit.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventor: Gael Ducher
  • Patent number: 11549707
    Abstract: A system and a method for controlling temperature in different zones of a premises. A method includes receiving a measurement of temperature sensed by a first fire detector positioned at a first zone of a premises. The method further includes receiving a measurement of temperature sensed by a second fire detector positioned at a second zone of the premises. The method also includes controlling the temperature by a thermostat in the first zone based on the measurement of the sensed temperature received from the first fire detector and in the second zone based on the measurement of the sensed temperature received from the second fire detector.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventor: Pirammanayagam Nallaperumal
  • Patent number: 11553338
    Abstract: A method of controlling a building system is provided. The method comprising: receiving an action request to adjust a building device from a user device; obtaining a token from a previous action request from the user device to adjust the building device when a token exists from a previous action request; transmitting the token for validation within the building device; and adjusting the building device when the token has been validated.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: January 10, 2023
    Assignee: CARRIER CORPORATION
    Inventors: Jason Higley, Fabrizio Smith