Patents Assigned to Carrier Corporation
  • Patent number: 11929643
    Abstract: An electric compressor motor includes a stator ring having a plurality of stator winding slots and a plurality of stator windings. Each of said stator windings is received in a stator winding slot of the plurality of stator winding slots. The stator ring also includes a plurality of cooling slots. Each cooling slot in the plurality of coolant slots is defined along an axial length of at least one corresponding stator winding slot of the plurality of stator winding slots such that a shared opening between each stator winding slot and at least one corresponding coolant slot is defined. The cooling slots are configured to allow coolant to directly contact at least one stator winding in the corresponding at least one stator winding slot.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 12, 2024
    Assignee: Carrier Corporation
    Inventors: Vishnu M. Sishtla, Michael Westlake
  • Patent number: 11929067
    Abstract: A security panel for controlling home automation devices via a voice assistant device is provided, in which the security panel includes a processor, a memory, a microphone, and a speaker. In one example implementation, the security panel is configured to receive a text input from a user, convert the text input into an audio format via a text-to-speech engine to generate a first voice command for controlling one or more home automation devices via a voice assistant device, and to output the first voice command via the speaker of the security panel, in which the first voice command is received by the voice assistant device via a microphone of the voice assistant device, in which the voice assistant device is configured to control the one or more home automation devices based on the first voice command.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 12, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Pirammanayagam Nallaperumal, Vijayakumar Ummadisinghu, Srikanth Govindavaram
  • Patent number: 11927371
    Abstract: A coolant cycle system for cooling a structure includes a two stage compressor configured to compress a coolant. The two stage compressor has a first stage with a first stage inlet and a first stage outlet and a second stage with a second stage inlet and a second stage outlet. The second stage is a high pressure stage relative to the first stage. A gas cooler has a coolant inlet fluidly connected to the second stage outlet and has a gas cooler outlet. The gas cooler outlet is fluidly connected to a heat exchanger and a fluid storage tank. The heat exchanger is configured to cool the fluid storage tank and has a heat exchanger coolant outlet fluidly connected to the second stage inlet. The fluid storage tank has a fluid storage tank outlet fluidly connected to a coolant inlet of an evaporator. A coolant outlet of the evaporator is fluidly connected to the first stage inlet of the compressor. The first stage outlet of the compressor is fluidly connected to the second stage inlet.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: March 12, 2024
    Assignee: Carrier Corporation
    Inventor: Zidu Ma
  • Patent number: 11927359
    Abstract: A rooftop HVAC unit includes a cabinet, an energy recovery wheel, dampers, and a controller. The energy recovery wheel is configured to be mounted within the cabinet. The energy recovery wheel is configured to transfer heat between an outdoor air stream and a return air stream when in an operational mode, and is further configured not to transfer heat between the outdoor air stream and the return air stream when in a bypass mode. The dampers can direct the outdoor air stream and return air stream through the rooftop HVAC unit, either through the energy recovery wheel or around the energy recovery wheel. The controller is configured to adjust the dampers based on a selection between the operational mode and bypass mode of the energy recovery wheel.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: March 12, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Renee Tozer, Eberhard Schmidt
  • Patent number: 11927354
    Abstract: A method and system for monitoring for leakage of flammable compounds is disclosed. A first parameter is measured indicative of the presence flammable compounds in a space around a potential leak source of a flammable compound, and a presence of the flammable compound is prospectively determined based on measurement of the first parameter. Additionally, a second parameter is measured in the space around the potential leak source. The prospective presence of the flammable compound determined by measurement of the first parameter is characterized, in conjunction with the measurement of the second parameter, as an actual presence of the flammable compound or as a false alarm.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: March 12, 2024
    Assignee: CARRIER CORPORATION
    Inventor: Lei Chen
  • Patent number: 11920838
    Abstract: A coupler for connecting to a port, and a method for connecting a coupler to a port are provided. The coupler includes a body, a plunger needle, and a threaded portion. The body includes a radially outward facing surface, a radially inward facing surface, a proximal end, and a distal end. The plunger needle is fixed to the body, and extends in parallel with the body toward the distal end of the body. The threaded portion extends circumferentially around at least a portion of the radially outward facing surface of the body toward the distal end of the body, the threaded portion configured to receive a threaded portion of the port.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 5, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Douglas R. Auyer, Ping S. Vang
  • Patent number: 11920820
    Abstract: A zone board for a heating, ventilation, and air-conditioning (HVAC) system including: a controller connector configured to electrically connect a controller to the zone board, the controller being configured to control operation of the HVAC system; a unit connector configured to electrically connect an indoor air handler to the zone board; and a thermostat connector configured to electrically connect a thermostat in a first zone to the zone board, wherein the thermostat connector is a 24-volt printed circuit board connector.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: March 5, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Bradley D. Powell, Gerald P. Hunt
  • Patent number: 11923746
    Abstract: A shield for controlling the cooling within a hermetically cooled motor, and a compressor incorporating the shield are provided. The shield includes an insulator, at least one fastener, and a venting aperture. The insulator restricts the flow of a working fluid between a first side and a second side. The at least one fastener secures the insulator. The venting aperture controls a pressure differential between the first side and the second side. The venting aperture may include at least one hole through the insulator. The venting aperture may be provided as a hole through the insulator for the rotating shaft of the compressor.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 5, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Scott A. Nieforth, Vishnu Sishtla
  • Patent number: 11912104
    Abstract: A method of operating a refrigeration system (20) includes operating the refrigeration system in refrigeration mode. A current access condition into a refrigerated cargo space (22) is detected. At least one heat exchanger (32) in the refrigerated cargo space (22) is directed into a defrost mode during the current access condition. The refrigeration system (20) is directed into a refrigeration mode when the current access condition is no longer detected.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: February 27, 2024
    Assignee: Carrier Corporation
    Inventor: Raymond L. Senf, Jr.
  • Patent number: 11913873
    Abstract: An optical smoke detector 1 includes an ultrasonic transducer 4 configured to cause oscillations in its housing 2 so as to dislodge accumulated particulate matter from the walls of a sensor chamber or a labyrinth of the smoke detector 1. Additionally or alternatively, the ultrasonic transducer 4 may be configured to cause oscillations that dislodge accumulated particulate matter from a light source or a light receiver of the smoke detector 1.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Andrés Cordoba Galera, Sergio Rodriguez Molpeceres
  • Patent number: 11913693
    Abstract: A method of purging contaminants from a refrigerant of a heat pump via a purge system includes generating a driving force across a separator, providing refrigerant including contaminants to the separator, separating the contaminants from the refrigerant within the separator, monitoring one or more parameters of the purge system and the heat pump, and actively controlling an operational parameter of the purge system in response to monitoring one or more parameters of the purge system and the heat pump.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma, Michael A. Stark
  • Patent number: 11913841
    Abstract: Aspects of the invention are directed towards a system and a method for sensing temperature of an item and displaying temperature thereof. One or more embodiments of the invention describe the method comprising steps of sensing, by a metal crimp coupled with a sensor, a temperature of content inside an item and determine a value of the temperature. The method further describes step of displaying an indication of the temperature value on an electrochromic strip coupled with the sensor.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Srinivasa Reddy Pilli, Vinay Kumar Vinnakota
  • Patent number: 11911724
    Abstract: A heat pump includes a vapor compression system and a cooling unit thermally coupled to the vapor compression system. A purge system is arranged in fluid communication with the vapor compression system. The purge system includes at least one separator operable to separate contaminants from a refrigerant purge gas provided to the purge system from the vapor compression system.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma
  • Patent number: 11913680
    Abstract: A heat pump system includes a first unit; a second unit connected to a first flow path of the first unit; and a third unit connected to a second flow path of the first unit and connected to the second unit. The heat pump system can operate in a cooling and water heating mode and a heating and water heating mode, wherein, in the cooling and water heating mode, the heat pump system is configured to switch a switching assembly to a first position and connect the at least one first heat exchangers and the second heat exchanger in series; in the heating and water heating mode, the heat pump system is configured to switch the switching assembly to a second position and connect the second heat exchanger and the at least one third heat exchangers in parallel.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Hui Zhai, Guangyu Shen
  • Patent number: 11917070
    Abstract: A wireless key device including a wireless transceiver and antenna configured to communicate with an access terminal, and a processor configured to execute instructions to implement a method of managing digital credentials for a wireless key device. The method includes authenticating the key device with a server, retrieving a plurality of digital credentials from a server, the plurality of digital credentials associated with a plurality of access terminals within a selected geographic proximity to the key device, polling an access terminal of the plurality of access terminals via the wireless transceiver and antenna for an access terminal identification which uniquely identifies the access terminal, identifying a digital credential of the plurality of digital credentials associated with the access terminal based on the access terminal identification, and transmitting the selected digital credential to the access terminal.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventor: Adam Kuenzi
  • Patent number: 11913667
    Abstract: Cooling systems are provided. The cooling systems include a plurality of cooling units. Each cooling unit has a base having a housing with control components, a cooling tower attached to the base at a first end of the cooling tower, with an inner flow path and an exterior surface, and an air distribution system attached to the cooling tower at a second end. The air distribution system includes an air distribution chamber between first and second enclosures, cool and warm air dispensers are configured in the first enclosure, and a cover is disposed on an exterior of the enclosures. The control components are configured to convey air through the base, the cooling tower, and the air distribution system to dispense air through the air dispensers. At least two of the cooling units of the plurality of cooling units are arranged in a linear arrangement.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventor: Michel Grabon
  • Patent number: 11917520
    Abstract: A method for communicating amongst a plurality of peripherals within a mesh network including a first subnet and a second subnet including: receiving an advertisement from one or more peripherals of the plurality of peripherals, the advertisement including a hop count, a subnet identifier, and a unique subnet device identifier, the subnet identifier indicating the first subnet or the second subnet and the unique subnet device identifier indicating a specific peripheral of the plurality of peripherals within the mesh network; triggering a message send event; determining a desired stream direction within the mesh network; determining a desired subnet of the mesh network; determining a destination peripheral of the one or more peripherals within the desired subnet and in the desired stream direction in response to the hop count, the subnet identifier, and the unique subnet device identifier; connecting to the destination peripheral; and sending the message to the destination peripheral.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: Adam Kuenzi, Michael Lang, Randall Dow
  • Patent number: 11906226
    Abstract: A vapor compression system (20; 120; 220; 320) has: first (22A; 122A; 222A) and second (22B; 122B; 222B) compressors; first (40) and second (46) heat exchangers; and one or more expansion devices (52; 52A, 52B). Means (32A, 32B; 32A, 32B, 126A, 126B; 32A, 32B, 232A, 232B) are provided for switching the system between operation in first and second modes using the respective first and second compressors. In the first mode: the first compressor compresses refrigerant; the compressed refrigerant is cooled in the first heat exchanger; the cooled refrigerant is expanded in at least one of the one or more expansion devices; and the expanded refrigerant absorbs heat in the second heat exchanger. In the second mode: the second compressor compresses refrigerant; the compressed refrigerant is cooled in the second heat exchanger; the cooled refrigerant is expanded in at least one of the one or more expansion devices; and the expanded refrigerant absorbs heat in the first heat exchanger.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: February 20, 2024
    Assignee: Carrier Corporation
    Inventors: Jeremy Wallet-Laïly, Ahmad M. Mahmoud, Parmesh Verma
  • Patent number: D1015894
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: February 27, 2024
    Assignee: CARRIER CORPORATION
    Inventors: David Benedetti, Kenneth Mott
  • Patent number: D1016264
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: February 27, 2024
    Assignee: TOSHIBA CARRIER CORPORATION
    Inventors: Tetsuya Ishikawa, Masao Isshiki