Patents Assigned to Hussmann Corporation
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Patent number: 12129683Abstract: A handle for a door. The handle includes a door mount that has a first end and a second end with a first mating feature, and a handle section that is coupled to the door mount by a fastener. The handle section has a second mating feature that is complementary to the first mating feature. The handle section is in a first state when the first mating feature and the second mating feature are engaged with each other, and the handle section is in a second state when the first mating feature and the second mating feature are at least partially disengaged from each other. In response to a force acting on the handle section, the handle section is movable from the first state to the second state.Type: GrantFiled: September 30, 2022Date of Patent: October 29, 2024Assignee: Hussmann CorporationInventors: Rick M. LaMontagne, Ye Tian
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Patent number: 12096867Abstract: A refrigerated merchandiser including a case having a first case section. The first and second case sections define first and second product display areas. The first case section further defines an air passageway and the second case section includes a glass panel. The air passageway supports a fan and is in fluid communication with a first airflow inlet and a second airflow outlet. An airflow flows through the first airflow outlet toward the evaporator and a second airflow outlet in communication with the first airflow inlet via an evaporator bypass channel. A first airflow portion flows through the first airflow outlet and is cooled by the evaporator, and a second airflow portion flows through the second airflow outlet to bypass the evaporator and is uncooled by the evaporator. The second airflow outlet directs the second airflow portion over an exterior of the glass panel of the second case section.Type: GrantFiled: August 24, 2021Date of Patent: September 24, 2024Assignee: Hussmann CorporationInventors: Moisses Navarro, Anand Ganesh Rajagopalan, Sandeep Palaksha, Al Arrosagaray, Alex J. Evdokimoff
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Patent number: 11910938Abstract: A mullion assembly for a merchandiser including an elongated mullion body that has a first end and a second end. The mullion body defines an elongated channel extending from the first end toward the second end along a longitudinal axis oriented along a length of the mullion body. The channel is defined by a support surface, opposite sidewalls, and opposite hooks that are coupled to the sidewalls and that extend in a direction across the longitudinal axis. A light assembly is coupled to the mullion body within the elongated channel, and the light assembly is captured by the hooks to retain the light assembly in the channel.Type: GrantFiled: November 22, 2021Date of Patent: February 27, 2024Assignee: Hussmann CorporationInventors: Raymond P. Twohy, Delanie M. Parmenter, Daniel E. Schnur
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Patent number: 11864669Abstract: A refrigerated merchandiser includes a case defining and separating a product display area from an ambient environment, the case having a frame defining one or more openings to the product display area. An upper track is connected to the case and extends at least partially along the frame. A first door and a second door are moveably connected to the upper track. The first door is configured to move between a closed positioned adjacent the frame and a first open position where the first door is positioned over the second door. The second door is configured to move between a closed positioned adjacent the frame and a second open position where the second door is positioned over the first door.Type: GrantFiled: November 24, 2021Date of Patent: January 9, 2024Assignee: Hussmann CorporationInventors: Rick M. LaMontagne, Ye Tian
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Patent number: 11823122Abstract: An equipment monitoring system for a merchandiser. The system includes a control system that defines a data acquisition node, a server that is in remote communication with the control system via a network providing a communication bridge between the data acquisition node and the server, and that includes a database and one or more applications having executable processing instructions, and equipment monitoring sensors that are coupled to one or more components of the merchandiser to obtain status data regarding the status of the one or more components. The equipment monitoring sensors are in communication with the data acquisition node to communicate the status data to the server. The application(s) execute processing instructions that conduct program analysis for the one or more components using the status data based on information associated with the merchandiser to determine a predictive component failure associated with the one or more components.Type: GrantFiled: November 24, 2020Date of Patent: November 21, 2023Assignee: Hussmann CorporationInventors: Michael Seals, Ramakrishna Krishnaswamy, Norman Street, Daniel Schnur
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Patent number: 11783286Abstract: An equipment monitoring system for a merchandiser. The system includes a control system that defines a data acquisition node, a server that is in remote communication with the control system via a network providing a communication bridge between the data acquisition node and the server, and that includes a database and one or more applications having executable processing instructions, and equipment monitoring sensors that are coupled to one or more components of the merchandiser to obtain status data regarding the status of the one or more components. The equipment monitoring sensors are in communication with the data acquisition node to communicate the status data to the server. The application(s) execute processing instructions that conduct program analysis for the one or more components using the status data based on information associated with the merchandiser to determine a predictive component failure associated with the one or more components.Type: GrantFiled: November 24, 2020Date of Patent: October 10, 2023Assignee: Hussmann CorporationInventors: Michael Seals, Ramakrishna Krishnaswamy, Norman Street, Daniel Schnur
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Patent number: 11553807Abstract: A heat exchanger for a refrigerated merchandiser includes a fan housing having an asymmetrical configuration. The fan housing can include a first section with a first open outlet and a second section with a second open outlet. A first fan is positioned in the first section and configured to create a first airflow through the first open outlet. A second fan is positioned in the second section and configured to create a second airflow through the second open outlet. An evaporator is in fluid communication with the first open outlet and second open outlet. The first section is asymmetrical about a first section central axis and the second section is asymmetrical about a second section central axis.Type: GrantFiled: March 26, 2018Date of Patent: January 17, 2023Assignee: Hussmann CorporationInventors: Anand Ganesh Rajagopalan, Jiaching Liu, Sandeep Palaksha
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Patent number: 11484133Abstract: A refrigerated merchandiser includes a case defining a product display area. A frame is connected to the case. The frame has a frame member with an exterior surface facing an ambient environment. A coating is on the exterior surface of the frame member. The coating includes conductive particles.Type: GrantFiled: December 19, 2017Date of Patent: November 1, 2022Assignee: Hussmann CorporationInventor: Raymond P. Twohy
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Patent number: 11441824Abstract: A refrigeration system includes a primary refrigeration circuit configured to circulate a CO2 primary refrigerant and a secondary refrigeration circuit separate from the primary refrigeration circuit. The primary refrigeration circuit includes a compressor assembly, a condenser assembly, a receiver, and one or more refrigeration loads having an evaporator assembly. The secondary refrigeration circuit includes a thermal storage unit and a heat exchanger. The thermal storage unit contains a phase change material. The secondary refrigeration circuit is in thermal communication with the primary refrigeration circuit through the heat exchanger. The primary refrigerant includes a critical temperature. The primary refrigeration circuit is configured for subcritical operation. The primary refrigeration circuit and the secondary refrigeration circuit are configured such that the phase change material provides cooling to the primary refrigerant during a first operating condition.Type: GrantFiled: November 10, 2017Date of Patent: September 13, 2022Assignee: Hussmann CorporationInventors: Norman E. Street, Tobey D. Fowler, Neil Monson, Wayne G. Schaeffer
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Patent number: 11268744Abstract: A method of controlling a refrigeration system including a medium temperature refrigeration load and a low temperature refrigeration load. The method includes selectively bypassing refrigerant between a medium temperature suction group and a low temperature suction group via a bypass line using an electronic valve positioned in the bypass line. The method also includes controlling flow of refrigerant between the medium temperature suction group and the low temperature suction group via a controller communicatively coupled to the valve, and modulating the valve at any position between a closed position and a full open position to vary an amount of refrigerant flow between the medium temperature suction group and the low temperature suction group in response to determining, via the controller, one or both of a state of the medium temperature suction group and a state of the low temperature suction group.Type: GrantFiled: February 1, 2018Date of Patent: March 8, 2022Assignee: Hussmann CorporationInventors: Quentin Crowe, Carlton Hardie, Justin Thomas, Kuntady Poornaprajna
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Patent number: 11215371Abstract: A Variable Refrigerant Flow (VRF) dehumidification system. The system has at least one condenser module in fluid communication with one or more indoor air handlers. At least one evaporator coil is in fluid communication with the indoor air handlers and at least one reheat/reclaim coil. The evaporator and reheat/reclaim coils are also in communication with the condenser module. A plurality of electronic expansion valves (EEVs) are in fluid communication with the indoor air handlers. A plurality of sensors is disposed in the system and are in communication with at least one VRF dehumidification system controller. In one embodiment, a logic is stored in a non-transitory computer readable medium that, when executed by one or more processors, causes the VRF dehumidification system to monitor the data input from the plurality of sensors and regulates the capacity of the VRF dehumidification system needed to maintain a set dew point parameter.Type: GrantFiled: July 15, 2019Date of Patent: January 4, 2022Assignee: Hussmann CorporationInventor: John O'Brian
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Patent number: 11178981Abstract: A case frame and mullion assembly includes a case frame including a frame member defining a mullion pocket, a first electrical connector coupled to the frame member within the mullion pocket, a mullion defined by an elongated body, a second electrical connector coupled to the frame member within the mullion pocket, and an attachment mechanism coupled to one or both of the case frame and the mullion, the attachment mechanism positioned between the frame member and the mullion to attach the mullion to the frame member, the attachment mechanism aligns and couples the first electrical connector relative to the second electrical connector upon attachment of the mullion to the frame member.Type: GrantFiled: October 26, 2016Date of Patent: November 23, 2021Assignee: Hussmann CorporationInventors: Raymond P. Twohy, Delanie M. Parmenter, Daniel E. Schnur
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Patent number: 11172770Abstract: A night cover for a refrigerated merchandiser that is positionable to substantially enclose a product display area of the merchandiser. The night cover includes a first portion and a second portion that is disposed above the first portion. The second portion cooperates with the first portion to define a first surface area, and the second portion defines a second surface area and has an open section configured to permit ambient airflow through the night cover. A ratio of the first surface area to the second surface area is between approximately 7:1 and 18:1.Type: GrantFiled: September 20, 2013Date of Patent: November 16, 2021Assignee: Hussmann CorporationInventor: Ken Nguyen
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Patent number: 11096504Abstract: A refrigerated merchandiser is provided including a case having a first case section. The first case section defines a first product display area and an air passageway. The air passageway supports a fan and is in fluid communication with an airflow inlet and an airflow outlet. The air passageway is at least partially defined by a refrigeration system including an evaporator. A portion of the air passageway is further defined by a plenum having a stepped profile configured to channel and adjust a direction of an airflow within the first air passageway prior to entering the evaporator. The refrigerated merchandiser may further include a second case section defining a second product display area and including a glass panel. A first airflow portion of an airflow is configured to flow through the airflow inlet toward the evaporator and a second airflow portion is configured to flow through a second airflow outlet via an evaporator bypass channel.Type: GrantFiled: July 7, 2017Date of Patent: August 24, 2021Assignee: Hussmann CorporationInventors: Moisses Navarro, Anand Ganesh Rajagopalan, Sandeep Palaksha, Al Arrosagaray, Alex J. Evdokimoff
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Patent number: 11058235Abstract: A fan plenum assembly for a merchandiser. The fan plenum assembly includes a plenum housing that defines an opening configured to receive a fan, and that has a side wall with a slot and a slot extension continuous with the slot. The slot has a major axis extending through a center of the slot. A bearing is configured to rotationally support a hinge pin and is coupled to the side wall. The bearing includes a positioning element that is disposed in the slot and in the slot extension. The positioning element is movable within the slot and the slot extension such that the bearing is movable along the major axis to permit axial adjustment of a position of the bearing relative to the plenum housing and the bearing is immovable rotationally relative to the plenum housing.Type: GrantFiled: November 18, 2019Date of Patent: July 13, 2021Assignee: Hussmann CorporationInventor: Larry N. Leonard
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Patent number: 10935329Abstract: A heat exchanger includes fins that are spaced apart from each other, and that each include one or more tube slots. A coil is coupled to the fins and includes a tube section extending through axially aligned tube slots. A heater insert extends through one or more of the axially aligned tube slots adjacent an exterior of the tube section to defrost the heat exchanger.Type: GrantFiled: January 19, 2015Date of Patent: March 2, 2021Assignee: Hussmann CorporationInventors: Sean M. Hanlon, Tobey D. Fowler
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Patent number: 10888176Abstract: A door for a refrigerated merchandiser including a case that defines a product display area. The door includes a frame and a first glass pane coupled to the frame. The first glass pane has heat-absorbing glass and is configured to be positioned adjacent an ambient environment surrounding the refrigerated merchandiser to absorb radiation from the ambient environment. The door also includes a second glass pane coupled to the frame and configured to be positioned adjacent the product display area. The second glass pane includes a conductive coating. The door further includes a third glass pane positioned between and spaced from the first glass pane and the second glass pane, and has a low emissivity coating.Type: GrantFiled: April 7, 2017Date of Patent: January 12, 2021Assignee: Hussmann CorporationInventor: Craig Steven Reichert
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Patent number: 10846653Abstract: A system to determine operation and maintenance monitoring, equipment optimization and life cycle management, inventory and supply chain management, and shopper engagement includes a product display having a control system in communication with an inventory sensor and an equipment monitoring sensor, and a server in remote communication with the control system, the server containing a database and at least one application. The control system receives data from the inventory sensor and the equipment monitoring sensor, and communicates the data to the server for storage in the database, and the at least one application accesses and analyzes the data stored in the database.Type: GrantFiled: June 8, 2016Date of Patent: November 24, 2020Assignee: Hussmann CorporationInventors: Michael Seals, Ramakrishna Krishnaswamy, Norman Street, Daniel Schnur
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Patent number: 10674838Abstract: A refrigerated merchandiser including a case defining a product display area configured to support product, a refrigeration circuit in which a refrigerant circulates, and a dilution device coupled to the refrigeration circuit. The dilution device includes a valve assembly and a container supporting a pressurized fluid. The valve assembly is in fluid communication with the refrigeration circuit and is selectively variable to an open state to fluidly couple the container to the refrigeration circuit such that the fluid is discharged into the refrigeration circuit in response to a condition of the refrigeration circuit reaching or exceeding a predetermined threshold value.Type: GrantFiled: April 8, 2014Date of Patent: June 9, 2020Assignee: Hussmann CorporationInventors: Chiao M. Lee, Doron Shapiro, Sean Hanlon
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Patent number: 10655904Abstract: A refrigerated merchandiser including a case defining a product display area and including a frame having a mullion. The mullion defining an opening to the product display area. A door is coupled and movable relative to the frame over the opening to provide access to the product display area. A refrigeration system is in communication with the product display area to condition the product display area. A first heater is coupled to and routed along the frame and a second heater is coupled to and routed along the frame. The second heater is separate from the first heater. A controller is operatively coupled to the first heater and the second heater and programmed to dependently control the first heater and the second heater relative to each other to remove or inhibit formation of condensation.Type: GrantFiled: April 4, 2014Date of Patent: May 19, 2020Assignee: Hussmann CorporationInventors: Daniel Aiken, John M. Rasch