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公开(公告)号：US11519652B2
公开(公告)日：2022-12-06
申请号：US16823002
申请日：2020-03-18
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin Knatt
Abstract: An ice maker has a bottom wall with a sensor opening. A time-of-flight sensor is supported in relation to the bottom wall such that the time-of-flight sensor can an optical pulse signal through the sensor opening toward the ice bin and subsequently detect a photon of the optical pulse signal that returns to the time-of-flight sensor through the sensor opening after reflecting off of one of a floor of the ice bin and ice in the ice bin. The time of flight sensor is configured to determine a duration between the emission of the optical pulse and the detection of the reflected photon(s). Based on the determined duration, the time-of-flight sensor or another processor can determine an amount of ice in the ice bin. The ice maker can be configured so that the time-of-flight sensor is removable, allowing a window pane of the time-of-flight sensor to be periodically cleaned.
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公开(公告)号：US20220349641A1
公开(公告)日：2022-11-03
申请号：US17570860
申请日：2022-01-07
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin Knatt
Abstract: An ice making machine having a refrigeration system designed for hydrocarbon (HC) refrigerants, and particularly propane (R-290), that includes dual independent refrigeration systems and a unique evaporator assembly comprising of a single freeze plate attached to two cooling circuits. The serpentines are designed in an advantageous pattern that promotes efficiency by ensuring the even bridging of ice during freezing and minimizing unwanted melting during harvest by providing an even distribution of the heat load. The charge limitations imposed with flammable refrigerants would otherwise prevent large capacity ice maker from being properly charged with a single circuit. The ice making machine includes a single water circuit and control system to ensure the proper and efficient production of ice. Material cost is conserved as compared to a traditional dual system icemaker.
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公开(公告)号：US20220087446A1
公开(公告)日：2022-03-24
申请号：US17481747
申请日：2021-09-22
Applicant: True Manufacturing Co., Inc.
Inventor： John Friend , Joseph Fontechhio , Christian Pizzi , Daniel Pestka
Abstract: In a field-installable refrigerated merchandiser kit, a prefabricated refrigeration system module releasably and operatively connects to a separate cabinet module via mutual connection fittings to form a refrigerated merchandiser. The refrigerated merchandiser can have multiple refrigeration systems cooling a common refrigerated space inside the cabinet, each with an independent temperature controller. A refrigeration system can be disconnected from the cabinet only by separating releasable fasteners and disconnecting electrical plug-in connections. Each refrigeration system is prefabricated with integrated condensate removal. The refrigeration system mounts entirely above the top wall of the cabinet enabling deployment at zero offset from a backing structure. The refrigerated merchandiser can be deployed to occupy a footprint and have a ratio of shelf space volume to foot print greater than 3.25 ft3/ft2.
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公开(公告)号：US20210293463A1
公开(公告)日：2021-09-23
申请号：US16823002
申请日：2020-03-18
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin Knatt
Abstract: An ice maker has a bottom wall with a sensor opening. A time-of-flight sensor is supported in relation to the bottom wall such that the time-of-flight sensor can an optical pulse signal through the sensor opening toward the ice bin and subsequently detect a photon of the optical pulse signal that returns to the time-of-flight sensor through the sensor opening after reflecting off of one of a floor of the ice bin and ice in the ice bin. The time of flight sensor is configured to determine a duration between the emission of the optical pulse and the detection of the reflected photon(s). Based on the determined duration, the time-of-flight sensor or another processor can determine an amount of ice in the ice bin. The ice maker can be configured so that the time-of-flight sensor is removable, allowing a window pane of the time-of-flight sensor to be periodically cleaned.
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公开(公告)号：US20210270512A1
公开(公告)日：2021-09-02
申请号：US17319209
申请日：2021-05-13
Applicant: True Manufacturing Co, Inc.
Inventor： Kevin KNATT , Edward Hartman
Abstract: An ice maker evaporator assembly having an evaporator pan with a back wall and left, right, top and bottom sidewalls extending from the back wall, and a freeze plate located within the evaporator pan. Refrigerant tubing is thermally coupled to the back wall of the evaporator pan opposite the left, right, top and bottom sidewalls. A first layer of insulation is formed on the refrigerant tubing. An evaporator housing having a housing back wall and housing left, right, top and bottom sidewalls extending from the housing back wall is attached to the evaporator pan and covers refrigerant tubing. A second layer of insulation is formed on top of the first layer of insulation.
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Patent Agency Ranking
公开(公告)号：US10677505B2
公开(公告)日：2020-06-09
申请号：US16590484
申请日：2019-10-02
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin Knatt
IPC: F25C1/25 , F25C1/12 , F28D1/047 , F25B39/02 , F25B47/02 , F25B25/00 , F25B40/00 , F25B5/02 , F25B6/02
Abstract: An ice making machine having a refrigeration system designed for hydrocarbon (HC) refrigerants, and particularly propane (R-290), that includes dual independent refrigeration systems and a unique evaporator assembly comprising of a single freeze plate attached to two cooling circuits. The serpentines are designed in an advantageous pattern that promotes efficiency by ensuring the even bridging of ice during freezing and minimizing unwanted melting during harvest by providing an even distribution of the heat load. The charge limitations imposed with flammable refrigerants would otherwise prevent large capacity ice maker from being properly charged with a single circuit. The ice making machine includes a single water circuit and control system to ensure the proper and efficient production of ice. Material cost is conserved as compared to a traditional dual system icemaker.
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公开(公告)号：US10571180B2
公开(公告)日：2020-02-25
申请号：US15819132
申请日：2017-11-21
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin Knatt , Edward W. Hartman
Abstract: An ice maker evaporator assembly having an evaporator pan with a back wall and left, right, top and bottom sidewalls extending from the back wall, and a freeze plate located within the evaporator pan. A serpentine tubing is thermally coupled to the back wall of the evaporator pan opposite the left, right, top and bottom sidewalls. A first layer of insulation is formed on the serpentine tubing. An evaporator housing having a housing back wall and housing left, right, top and bottom sidewalls extending from the housing back wall is attached to the evaporator pan and covers serpentine tubing. A second layer of insulation is formed on top of the first layer of insulation.
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公开(公告)号：US20190257565A1
公开(公告)日：2019-08-22
申请号：US16399329
申请日：2019-04-30
Applicant: True Manufacturing Co., Inc.
Inventor： John Allen Broadbent , Paolo Moro
Abstract: An automatic descale and sanitize process for an ice maker which requires less user intervention and time. During descaling, a main water reservoir of an ice maker sump is filled with water to a descale water level and mixes with a cleaner placed in the main water reservoir. The water/cleaner mixture is pumped through the ice maker to descale the water system and freeze plate. During sanitizing, the sump is filled with water to a sanitize water level, above the descale water level, and mixes with sanitizer placed in a sanitizer reservoir of the sump. The water/sanitizer mixture is pumped through the ice maker to sanitize the water system and freeze plate. During descaling, the sanitizer placed in the sanitizer reservoir does not come into contact with the water in the main water reservoir. After the descale and sanitize process, the ice maker can return to making ice.
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89.发明申请公开(公告)号：US20180283760A1
公开(公告)日：2018-10-04
申请号：US16001351
申请日：2018-06-06
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin KNATT , Steven Lee TRULASKE
Abstract: An ice maker for forming ice having a refrigeration system, a water system and a controller. The refrigeration system includes a freeze plate in which ice is formed and a hot gas valve for harvesting the ice therefrom. A harvest sensor is triggered when at least a portion of the ice is harvested from the freeze plate and at least one temperature sensor measures a temperature that indicates that all of the ice has been harvested from the freeze plate. The temperature sensors may include a temperature sensor for measuring the refrigerant temperature at the evaporator outlet, the refrigerant temperature at the evaporator inlet, and/or the temperature of the freeze plate. The controller closes the hot gas valve in response from the triggering of the harvest sensor and the temperature measured by the temperature sensor(s) indicating that all of the ice has been harvested from the freeze plate.
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公开(公告)号：US20180142932A1
公开(公告)日：2018-05-24
申请号：US15819132
申请日：2017-11-21
Applicant: True Manufacturing Co., Inc.
Inventor： Kevin KNATT , Edward W. HARTMAN
Abstract: An ice maker evaporator assembly having an evaporator pan with a back wall and left, right, top and bottom sidewalls extending from the back wall, and a freeze plate located within the evaporator pan. A serpentine tubing is thermally coupled to the back wall of the evaporator pan opposite the left, right, top and bottom sidewalls. A first layer of insulation is formed on the serpentine tubing. An evaporator housing having a housing back wall and housing left, right, top and bottom sidewalls extending from the housing back wall is attached to the evaporator pan and covers serpentine tubing. A second layer of insulation is formed on top of the first layer of insulation.
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