公开(公告)号：US20240310095A1

公开(公告)日：2024-09-19

申请号：US18670736

申请日：2024-05-22

申请人： SUMITOMO HEAVY INDUSTRIES, LTD.

发明人： Yuki IKUSHIMA ,  Tatsuki NISHIO

IPC分类号： F25B49/00 ,  F25B9/14

CPC分类号： F25B49/00 ,  F25B9/14 ,  F25B2500/06 ,  F25B2500/19 ,  F25B2700/19

摘要： A cryocooler diagnostic system includes a cryocooler including a pressure sensor that measures a pressure inside the cryocooler, a calculation processing device configured to receive a measured pressure waveform indicating the pressure inside the cryocooler measured by the pressure sensor, and calculate an amplitude of a drive frequency of the cryocooler or of a frequency component that is an integer multiple of the drive frequency from the measured pressure waveform, and a diagnostic device configured to receive the amplitude calculated by the calculation processing device and diagnose the cryocooler based on the amplitude.

公开(公告)号：US12092382B2

公开(公告)日：2024-09-17

申请号：US17433108

申请日：2020-03-26

申请人： Parker-Hannifin Corporation

发明人： Christian D. Parker ,  Max A. Witter ,  Craig M. Obermark

IPC分类号： F25B49/00 ,  F25B41/35 ,  F25B49/02

CPC分类号： F25B49/005 ,  F25B41/35 ,  F25B49/02 ,  F25B2500/06 ,  F25B2500/13 ,  F25B2500/222 ,  F25B2600/2513

摘要： An electronic modulating valve for a refrigerant system including a valve body; an electrically actuated valve member mounted in the valve body for modulating flow of fluid through the valve body; an electric power element having at least a portion of an electric actuator; and an electronic controller operably connected to the actuator, in which the actuator is operably connected to the valve member to control movement of the valve member in response to commands from the controller. The valve may include a probe configured to sense a mechanical vibration in the system and/or a refrigerant leak sensor. The controller receives information from the probe and/or leak sensor and controls movement of the valve member via the actuator in response to the information. The controller may be configured with a closed-loop logic architecture to control movement of the valve member via the electric actuator.

公开(公告)号：US12070989B2

公开(公告)日：2024-08-27

申请号：US18152434

申请日：2023-01-10

申请人： THERMO KING LLC

发明人： David J. Renken ,  Tony Spetz

IPC分类号： B60H1/32 ,  B60H1/00 ,  F25B49/00

CPC分类号： B60H1/3225 ,  B60H1/00014 ,  F25B49/005

摘要： Technologies described herein are directed to isolating or insulating at least portions of an evaporator coil within a climate control unit (CCU) of a TCCS so as to reduce or even eliminate adverse effects caused by a leaked working fluid. Such adverse effects may include a threat of ignition, asphyxiation of occupants, damage to cargo, and other harmful effects caused by emission of a noxious gas. A leak isolation structure is provided to isolate evaporator tubes of an evaporator coil from at least one of a plurality of turns of the evaporator coil.

公开(公告)号：US20240280300A1

公开(公告)日：2024-08-22

申请号：US18110980

申请日：2023-02-17

申请人： AKTIEBOLAGET SKF

发明人： Rudolf HAULEITNER ,  Hans WALLIN

IPC分类号： F25B31/00 ,  F25B41/26 ,  F25B49/00

CPC分类号： F25B31/004 ,  F25B41/26 ,  F25B49/005 ,  F25B2500/16

摘要： A cooling system includes a refrigerant cycle having a compressor unit for compressing gaseous refrigerant, a condenser unit for condensing gaseous refrigerant to liquid refrigerant, an optional economizer unit for reducing pressure of the refrigerant and partially evaporating the liquid refrigerant, and an evaporator unit for evaporating the liquid refrigerant to gaseous refrigerant. The refrigerant is cycled from the compressor unit to the condenser unit, from the condenser unit to evaporator unit, and back to the compressor unit. The compressor unit includes at least one bearing assembly and a lubrication cycle providing liquid refrigerant to lubricate the bearing assembly. The lubrication cycle has a lubricating refrigerant supply line, branched from the condenser unit or from the economizer unit to the bearing assembly, and connected to an injection device(s) for introducing lubricating refrigerant into the bearing assembly. A vapor separating unit separates gaseous lubricating refrigerant from liquid phase lubricating refrigerant.

公开(公告)号：US12031755B2

公开(公告)日：2024-07-09

申请号：US17324696

申请日：2021-05-19

申请人： Copeland LP

发明人： Juan E. Catano-Montoya

IPC分类号： F25B25/00 ,  F25B29/00 ,  F25B39/02 ,  F25B41/20 ,  F25B41/42 ,  F25B49/00

CPC分类号： F25B25/005 ,  F25B29/003 ,  F25B39/022 ,  F25B41/20 ,  F25B41/42 ,  F25B49/00 ,  F25B2339/022 ,  F25B2400/12 ,  F25B2600/2507

摘要： A refrigeration system includes a main fluid loop and a secondary fluid loop. The main fluid loop includes a compressor and a heat exchanger that circulate a first working fluid. The secondary fluid loop circulates a second working fluid. The secondary fluid loop is in thermal communication with the main fluid loop at the heat exchanger. The secondary fluid loop includes a pump, a thermal energy storage, and a coil fluid line. The secondary fluid loop includes a multi-position valve configured to move between positions that selectively fluidly connect the heat exchanger, the pump, the thermal energy storage, and the coil fluid line.

公开(公告)号：US12018875B2

公开(公告)日：2024-06-25

申请号：US17959618

申请日：2022-10-04

申请人： Carrier Corporation

发明人： Ismail Agirman ,  HanJong Kim

IPC分类号： F25B49/02 ,  F25B49/00 ,  H02P3/22 ,  F16C32/04 ,  H02P3/00 ,  H02P3/12

CPC分类号： F25B49/025 ,  F25B49/005 ,  H02P3/22 ,  F16C32/044 ,  F25B2500/27 ,  H02P3/00 ,  H02P3/12

摘要： An air conditioning system including a compressor having a motor; a condenser; an evaporator; a drive providing multiphase, AC output to the motor; a motor braking assembly electrically connected to the drive, the motor braking assembly including at least one switch and at least one braking resistor; wherein the at least one switch is held in an open state by power from the drive; wherein upon disruption of power to the motor, the at least one switch assumes a closed state shorting windings of the motor through the at least one braking resistor.

公开(公告)号：US12018869B2

公开(公告)日：2024-06-25

申请号：US17253248

申请日：2020-09-10

申请人： Carrier Corporation

发明人： Richard G. Lord

IPC分类号： F25B39/02 ,  F24F1/0059 ,  F24F11/36 ,  F25B49/00

CPC分类号： F25B39/02 ,  F24F1/0059 ,  F24F11/36 ,  F25B49/005 ,  F25B2500/221 ,  F25B2500/222

摘要： Disclosed is a heat exchanger assembly including: a coil; one baffle connected to a first end of the coil, the one baffle being configured to capture a liquid refrigerant that has leaked from the coil, the one baffle being configured to direct the liquid refrigerant toward a first end of a drain pan.

公开(公告)号：US12013160B2

公开(公告)日：2024-06-18

申请号：US17994484

申请日：2022-11-28

申请人： Hill Phoenix, Inc.

发明人： Naresh Kumar Krishnamoorthy ,  Shobin Balakrishnan

IPC分类号： F25B49/00 ,  F25B40/06 ,  F25B41/31 ,  G01M13/003

CPC分类号： F25B49/005 ,  F25B40/06 ,  F25B41/31 ,  G01M13/003 ,  F25B2341/064 ,  F25B2341/068 ,  F25B2600/2513 ,  F25B2700/15

摘要： A method of detecting electrical failure in a refrigeration system is provided. The method includes determining whether a present superheat of the refrigeration system is between a maximum superheat and a minimum superheat for the refrigeration system, the maximum superheat and the minimum superheat defining a normal operating range. The method also includes detecting an electrical property of an expansion valve assembly of the refrigeration system responsive to the superheat being outside the normal operating range. The method further includes determining whether the expansion valve assembly as experienced an electrical failure based on at least the electrical property. A signal indicating that the expansion valve has experienced an electrical failure is generated based on a determination that the expansion valve assembly has experienced the electrical failure.

公开(公告)号：USRE50007E1

公开(公告)日：2024-06-11

申请号：US17528978

申请日：2021-11-17

申请人： Typhon Technology Solutions (U.S.), LLC

发明人： Jeffrey G. Morris ,  Adrian Benjamin Bodishbaugh ,  Michael Bateman ,  Neal Jensen

IPC分类号： G05D23/19 ,  F24F8/90 ,  F24F11/30 ,  F24F11/32 ,  F25B49/00 ,  G01K13/00 ,  G01N15/08 ,  G05B15/02 ,  F24F11/39 ,  F24F11/47 ,  F24F11/56

CPC分类号： G05D23/1932 ,  F24F8/90 ,  F24F11/30 ,  F24F11/32 ,  F25B49/00 ,  F25B49/005 ,  G01K13/00 ,  G01N15/0826 ,  G05B15/02 ,  G05D23/1917 ,  G05D23/1928 ,  F24F11/39 ,  F24F11/47 ,  F24F11/56 ,  F25B2500/19 ,  F25B2600/07 ,  F25B2700/02 ,  F25B2700/133 ,  F25B2700/1351 ,  F25B2700/15 ,  F25B2700/151 ,  F25B2700/172 ,  F25B2700/1931 ,  F25B2700/1933 ,  F25B2700/195 ,  F25B2700/2106 ,  F25B2700/21151 ,  F25B2700/21152 ,  F25B2700/21161 ,  F25B2700/21163 ,  F25B2700/21172 ,  F25B2700/21173 ,  F25B2700/21174 ,  F25B2700/21175 ,  F25D2400/36 ,  G01K2201/00 ,  G01N2015/084 ,  G01N2015/0846 ,  Y10S55/34 ,  Y10S116/25 ,  Y10S116/42

摘要： A system and a method that utilizes wet proppants when creating fracturing fluid by receiving wet fracturing sand at a surge tank, vibrating the wet fracturing sand located within the surge tank, liquefying the wet fracturing sand within the surge tank based on the vibration, and metering the liquefied wet fracturing sand from the surge tank to a blending tub.

公开(公告)号：US11920806B2

公开(公告)日：2024-03-05

申请号：US17582910

申请日：2022-01-24

申请人： Johnson Controls Tyco IP Holdings LLP

发明人： William F. McQuade ,  Neelkanth Gupte

IPC分类号： F24F11/36 ,  F25B49/02 ,  G01M3/20 ,  G01N21/63 ,  G05B15/02 ,  F25B13/00 ,  F25B49/00 ,  G01N21/01

CPC分类号： F24F11/36 ,  F25B49/02 ,  G01M3/20 ,  G01N21/63 ,  G05B15/02 ,  F25B13/00 ,  F25B49/005 ,  F25B2500/222 ,  G01N2021/0193

摘要： A leak detection system of a heating, ventilating, and air conditioning (HVAC) system includes a sensor configured to detect a UV tracer in a monitored gas volume of the HVAC system. The leak detection system also includes a controller communicatively coupled to the sensor. The controller is configured to modify operation of the HVAC system in response to the sensor detecting the UV tracer in the monitored gas volume.