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公开(公告)号：US20240318659A1
公开(公告)日：2024-09-26
申请号：US18186273
申请日：2023-03-20
CPC分类号： F04D29/245 , F04D27/0246 , F04D29/05 , F04D29/063 , F04D29/284 , F04D29/601 , F05D2210/12 , F05D2230/60 , F05D2300/509
摘要： An inlet guide vane apparatus includes a compressor end cap connectable with a main body of a compressor housing and a housing portion connected to the end cap. The housing portion and the end cap cooperatively define a fluid flow passageway and guide vane openings extending into the fluid flow passageway. The inlet guide vane apparatus also includes a ring gear rotatable relative to at least one of the housing portion and the end cap and guide vanes connected to the housing portion and the end cap. Each guide vane extends through one of the guide vane openings and includes a vane gear operably connectable with the ring gear and disposed at an exterior of the housing portion and a vane disposed within the fluid flow passageway. Each guide vane is rotatable such that an orientation of the vane within the fluid flow passageway is selectively adjustable.
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公开(公告)号：US20230349600A1
公开(公告)日：2023-11-02
申请号：US17732934
申请日：2022-04-29
发明人： Andrew M. Welch
CPC分类号： F25B19/005 , F25B37/00 , F25B39/00
摘要： A conditioning system for a conditioned interior space includes a vapor compression system, an evaporative cooling system, and a controller. The vapor compression system includes an evaporator, a condenser, a refrigerant active fluid for flowing between the evaporator and the condenser, a first fan to produce a first airflow toward the conditioned interior space, and a second fan for producing a second airflow from the condenser toward an exterior space. The evaporative cooling system includes a first tank containing a non-refrigerant active fluid, and a heat exchange device fluidically coupled to the first tank to receive the non-refrigerant active fluid. The first fan is positioned to produce the first airflow through the heat exchange device toward the conditioned interior space. The controller is programmed to control cooperative operation of the vapor compression system and the evaporative cooling system to condition the conditioned interior space.
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公开(公告)号：US20230332779A1
公开(公告)日：2023-10-19
申请号：US17659769
申请日：2022-04-19
发明人： Jason Warner
IPC分类号： F24F3/14
CPC分类号： F24F3/1411
摘要： A conditioning system includes a humidity control system, a vapor compression system, and a heat exchanger. The humidity control system includes a first fan producing a first airflow, a first mass exchange device in the first airflow, a second fan producing a second airflow, and a second mass exchange device in the second airflow and in fluid communication with the first mass exchange device permitting a liquid desiccant to flow in a liquid desiccant loop. The vapor compression system includes an evaporator, and a condenser in fluid communication with the evaporator permitting a refrigerant to flow in a refrigerant loop. The heat exchanger has a first path in fluid communication with the humidity control system permitting the liquid desiccant to flow therethrough and a second path thermally coupled to the first path and in fluid communication with the vapor compression system permitting a refrigerant to flow therethrough.
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公开(公告)号：US11732713B2
公开(公告)日：2023-08-22
申请号：US17519721
申请日：2021-11-05
CPC分类号： F04C18/023 , F04C29/0057 , F04C2240/30 , F04C2240/50
摘要： A compressor includes a shell, a first compression member, a bearing housing and a second compression member. The first compression member is rotatable relative to the shell about a first axis. The bearing housing is coupled to the first compression member and rotatable relative to the shell about the first axis. The bearing housing includes a first pin that extends therefrom. The second compression member is rotatable relative to the shell about a second axis. The second compression member includes a base plate and an arcuate-shaped first pin pocket. The first pin pocket is formed in the base plate and receives the first pin. The first compression member is moveable between a first position in which the first pin is engaged with a surface of the first pin pocket and a second position in which the first pin is disengaged from the surface of the first pin pocket.
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公开(公告)号：US11713893B2
公开(公告)日：2023-08-01
申请号：US17470739
申请日：2021-09-09
发明人： Brian R. Butler , Stuart K. Morgan , Hung Pham , Winfield S. Morter , Andrew M. Welch , David A. Alfano , Michael A. Saunders
IPC分类号： F24F11/36 , F24F11/52 , F24F11/58 , F24F11/86 , F24F11/84 , F24F140/12 , F24F140/20
CPC分类号： F24F11/36 , F24F11/52 , F24F11/58 , F24F11/84 , F24F11/86 , F24F2140/12 , F24F2140/20
摘要： A refrigerant control system includes: a charge module configured to determine an amount of refrigerant that is present within a refrigeration system of a building; a leak module configured to diagnose that a leak is present in the refrigeration system based on the amount of refrigerant; and at least one module configured to take at least one remedial action in response to the diagnosis that the leak is present in the refrigeration system.
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公开(公告)号：US11706899B2
公开(公告)日：2023-07-18
申请号：US17643991
申请日：2021-12-13
CPC分类号： H05K7/20145 , F04B39/066 , H05K7/20154
摘要： A compressor may include a compressor shell, a motor, a compression mechanism, an enclosure, a control module, a fan, and an airflow deflector. The compression mechanism is disposed within the compressor shell. The motor drives the compression mechanism. The enclosure defines an internal cavity. The control module is in communication with the motor and is configured to control operation of the motor. The fan may be disposed within the internal cavity. The airflow deflector may include a base portion, a first leg, and a second leg. The first and second legs may be spaced apart from each other and may extend from the base portion. The fan may force air against the base portion. A first portion of the air may flow from the base portion along the first leg, and a second portion of the air may flow from the base portion along the second leg.
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公开(公告)号：US11692546B2
公开(公告)日：2023-07-04
申请号：US17574022
申请日：2022-01-12
CPC分类号： F04C18/0215 , F04C29/06 , F04C29/063 , F04C29/068 , F04C2240/805
摘要： A compressor may include a shell assembly, orbiting and non-orbiting scrolls, a bearing housing, a bushing, a damper, and a fastener. The bearing housing includes a first aperture. The bushing may include an axial end abutting the bearing housing. The bushing may extend through a second aperture of the non-orbiting scroll. The bushing may include a third aperture. The damper may be received in a pocket that may be defined by and disposed radially between an outer diametrical surface of the bushing and an inner diametrical surface of the non-orbiting scroll. The damper may be at least partially disposed within the second aperture and may encircle the second portion of the bushing. The fastener may include a shaft portion and a flange portion. The shaft portion may extend through the third aperture and into the first aperture. The flange portion may contact a first axial end of the damper.
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公开(公告)号：US11680568B2
公开(公告)日：2023-06-20
申请号：US17279047
申请日：2018-09-28
CPC分类号： F04C29/023 , F04C18/0215 , F04C23/008 , F04C29/025 , F04C2240/50 , F04C2240/603 , F04C2240/809
摘要： A compressor includes a compression mechanism and a driveshaft that drives the compression mechanism. The driveshaft may include a first axially extending passage, a second axially extending passage, and a lubricant distribution passage. The first and second axially extending passages may be radially offset from each other and may intersect each other at an overlap region. The first and second axially extending passages are in fluid communication with each other at the overlap region. The lubricant distribution passage may extend from the first axially extending passage through an outer diametrical surface of the driveshaft. The lubricant distribution passage may be disposed at a first axial distance from a first axial end of the driveshaft. A first axial end of the overlap region may be disposed at a second axial distance from the first axial end of the driveshaft. The first axial distance may be greater than the second axial distance.
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公开(公告)号：US11649997B2
公开(公告)日：2023-05-16
申请号：US17036448
申请日：2020-09-29
发明人： David Alfano , Stuart K. Morgan , Hung M. Pham , Nathan O. Boyce
CPC分类号： F25B49/02 , F25B13/00 , F25B39/00 , F25B2500/222 , F25B2700/02 , F25B2700/04 , F25B2700/15 , F25B2700/17 , F25B2700/19 , F25B2700/2103
摘要： A sensor control system includes: a refrigerant leak sensor configured to, when powered, measure an amount of a refrigerant present in air outside of a heat exchanger of a refrigeration system, where the heat exchanger is located within a building that is at least one of heated and cooled by the refrigeration system; and a power control module configured to one of: continuously power the refrigerant leak sensor; and disconnect the refrigerant leak sensor from power when a blower that moves air past the heat exchanger is on.
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公开(公告)号：US20230146546A1
公开(公告)日：2023-05-11
申请号：US17453802
申请日：2021-11-05
CPC分类号： F25B49/025 , F25B13/00 , F25B31/02 , H02P29/68 , H02P2201/09 , H02P2201/15
摘要： In other features, a refrigeration system is provided and includes a compressor motor, an inverter, a converter and a control module. The inverter is configured to convert a direct current (DC) bus voltage to an alternating current (AC) voltage and supply the AC voltage to the compressor motor. The converter is configured to convert a DC input voltage to the DC bus voltage. The control module is configured to obtain a parameter and in response to the parameter exceeding a predetermined threshold, reduce the DC bus voltage and at least one of (i) reduce a switching frequency, (ii) increase an amount of negative d-axis current of the compressor motor, or (iii) reduce a speed of the compressor motor.
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