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428 results about "Liquid line" patented technology
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Air filter monitoring system
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:EMERSON CLIMATE TECH INC
Method and apparatus for monitoring refrigerant-cycle systems
ActiveUS20060032245A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureEngineering
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Dynamic heat sink engine
InactiveUS7047744B1Decrease in overall heat dutyImprove the coefficient of performanceFrom solar energySteam accumulatorsLiquid lineWorking fluid
A dynamic heat sink engine including a storage vessel having a working fluid outlet and a working fluid inlet. The lower portion of the storage vessel contains a cryogenic working fluid, such as liquid hydrogen, at a temperature at near its boiling point. The engine further includes a working fluid circuit extending between the working fluid outlet and the working fluid inlet of the storage vessel. The working fluid circuit includes the serial connection of the following components from the working fluid outlet to the working fluid inlet: a fluid pump; a vaporizer having a liquid line passing therethrough; a heater; an expansion engine having a rotary output shaft; an electrical generator connected to the rotary output shaft of the expansion engine; a vapor line passing through the vaporizer, the vaporizer including a heat exchanger providing thermal communication between the liquid line and the vapor line.
Owner:ROBERTSON STUART J +1
Heat Dissipation System With A Plate Evaporator
ActiveUS20080283223A1Indirect heat exchangersCooling/ventilation/heating modificationsLiquid lineEngineering
A heat dissipation system is provided. The heat dissipation system includes: an evaporator having a plate chamber with the wick structures which has a plurality of pore sizes arranged in the plate chamber, a condenser, a vapor line, and a liquid line. The two-phase circulation of the vapor-condensate in the heat dissipation system, especially in the heat dissipation system with a plate evaporator, can effectively increase the heat conductivity of the plate heat source such as electronic chip. The design and composition of the wick structures are enormously decreased the turning-on temperature of the heat dissipation system and maintained the heat dissipation system in the balancing state under the low heat source power.
Owner:IND TECH RES INST
Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Reagent supply for a hemodialysis system
A reagent supply arrangement for a hemodialysis system may include an E-prong connector having three parallel prongs with two outer prongs arranged in a common plane and a center prong arranged above the common plane, a first supply line for a first reagent connected in fluid communication with one of the outer prongs, a second supply line for a second reagent connected in fluid communication with the other of the outer prongs, a liquid line connected in fluid communication with the center prong, and a container for housing the first reagent having an inlet connected to the liquid line and an outlet connected to the first supply line for the first reagent. The E-prong connector may help prevent the improper connection to the dialysis unit, e.g., because the prong arrangement ensures connection in only one way to the dialysis unit.
Owner:DEKA PROD LLP
Reagent supply for a hemodialysis system
ActiveUS20100051551A1Resist entry of dustAvoid accessOther chemical processesSolvent extractionLiquid lineHaemodialysis machine
A reagent supply arrangement for a hemodialysis system may include an E-prong connector having three parallel prongs with two outer prongs arranged in a common plane and a center prong arranged above the common plane, a first supply line for a first reagent connected in fluid communication with one of the outer prongs, a second supply line for a second reagent connected in fluid communication with the other of the outer prongs, a liquid line connected in fluid communication with the center prong, and a container for housing the first reagent having an inlet connected to the liquid line and an outlet connected to the first supply line for the first reagent. The E-prong connector may help prevent the improper connection to the dialysis unit, e.g., because the prong arrangement ensures connection in only one way to the dialysis unit.
Owner:DEKA PROD LLP
Method and apparatus for monitoring air-exchange evaporation in a refrigerant-cycle system
ActiveUS20060032248A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureEvaporation
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Loop heat pipe with flexible artery mesh
InactiveUS20080078530A1Semiconductor/solid-state device detailsSolid-state devicesLiquid lineClosed loop
A loop heat pipe (10) includes an evaporator (11) thermally connected with a heat generating electronic component and including a wick structure (112) disposed therein, a condenser (12) thermally connected with a heat dissipating component, a vapor line (13) and a liquid line (14) connecting the evaporator with the condenser to form a closed loop, a predetermined quantity of bi-phase working medium contained in the closed loop, and an artery mesh (15) located within the liquid line.
Owner:HON HAI PRECISION IND CO LTD
Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus
ActiveUS20060196197A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureEngineering
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Intelligent thermostat system for monitoring a refrigerant-cycle apparatus
ActiveUS20060032246A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureThermostat
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system
ActiveUS20060032247A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureEngineering
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP
Method and apparatus for airflow monitoring refrigerant-cycle systems
InactiveUS20060196196A1Mechanical apparatusTemperature measurement in air-conditioning systemsDifferential pressureEngineering
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:KATES LAWRENCE
Air-cooled heat pump air conditioner
InactiveCN102679609AIncrease subcoolingLow heat recovery functionSubcoolersFluid circulation arrangementLiquid lineVapor–liquid separator
The invention discloses an air-cooled heat pump air conditioner which comprises a compressor, an outdoor coil, a heat exchanger, a main liquid line and supercooling devices, wherein the supercooling devices comprise two or three of a supercooling coil, an economizer and a liquid-vapor separator with a supercooling function, the supercooling devices are arranged on the main liquid line, and liquid state refrigerants which circulate in the main liquid line can achieve repeatedly the supercooling through the supercooling devices. According to the air-cooled heat pump air conditioner, the performance of cooling / heating circulation of the air-cooled heat pump air conditioner is effectively improved, so that the air-cooled heat pump air conditioner is stable and reliable in operation and energy saving in a low-temperature environment.
Owner:四川同达博尔置业有限公司
Apparatus and method for determining refrigerant charge level
ActiveUS20070163276A1Low-cost non-invasiveLow costThermometer applicationsRefrigeration safety arrangementLiquid lineStable state
A method and apparatus for non-invasively determining a charge level of a refrigerant in a vapor-compression cycle system. The method and apparatus monitor the system while the system is operated to ascertain that the system is operating at approximately steady-state. The superheat and the subcooling of the system are then determined at the suction line and at the liquid line, respectively, and the refrigerant charge level is calculated based on the determined subcooling, the determined superheat, and rated operating conditions of the system, including rated refrigerant charge level, rated liquid line subcooling, and rated suction line superheat.
Owner:PURDUE RES FOUND INC
Visual display of temperature differences for refrigerant charge indication
InactiveUS20060137368A1Thermometer detailsTemperature measurement in air-conditioning systemsLiquid lineTwo temperature
The sufficiency of refrigerant charge in an air conditioning system is determined by a comparison of two sensed temperatures in the system, one being the liquid line temperature and the other being either the outdoor temperature or the condenser coil temperature. In one embodiment the two sensed temperatures are displayed on respective thermochromic strips which are so calibrated and juxtaposed as to provide a visual indication, by the relative positions of the two displayed sensed temperatures, as to whether the refrigerant charge is adequate. In another embodiment, the sensed liquid line temperature is displayed by way of a plurality of LEDs and the other temperature is displayed by way of a marker on a temperature scale. If the two displayed temperatures are aligned, then the refrigerant charge is optimized, and if they are not aligned, the system is undercharged or overcharged.
Owner:CARRIER CORP
Deep well/long trench direct expansion heating/cooling system
A direct expansion geothermal heat exchange system including certain line set sizes, distances, designs, depths, and lengths, including a long trench system design, certain vapor line coverings and moisturizing means, certain refrigerant operational pressures and type, certain pin restrictor sizes and locations, certain liquid line insulation lengths, certain containment pipe composition, pipe sizing with polyethylene, pipe antifreeze fill percentage, and pipe top sealing, a certain oil return safeguard procedure, certain interior heat exchanger design tonnages with predominate heating loads and with predominate cooling loads, a certain receiver type and capacity, an optional means of placing sub-surface refrigerant transport tubing within respective protective containment pipes, certain trench system and well / borehole system combinations, and certain trench creation means.
Owner:EARTH TO AIR SYST
Transport line with grooved microchannels for two-phase heat dissipation on devices
InactiveUS20050077030A1Ensure efficient flowReduce forceSemiconductor/solid-state device detailsSolid-state devicesLiquid lineLoop heat pipe
Grooved microchannels are used to enhance the capillary action in the transport line of two-phase heat dissipation devices, such as loop heat pipes, capillary pump loops, or spray cooling devices, or others. Efficient heat dissipations achieved by enhancing the capillary pumping force for the liquid flow without significantly increasing the friction force. The effective cross-sectional area of the liquid line is made smaller than that of the condensation section, either by inserting a plug or shrinking the liquid line, to provide additional pumping force for the coolant recycling.
Owner:WONG SHWIN CHUNG
Advanced Direct Exchange Geothermal Heating/Cooling System Design
InactiveUS20080016894A1Shorten the timeEasy maintenanceDomestic cooling apparatusOther heat production devicesLiquid lineGeothermal heating
A direct expansion / direct exchange (“DX”) geothermal heating / cooling system having a plurality of pin restrictors positioned in housing units at ground accessible locations. The pin restrictors are preferably located near the compressor unit and on the field side of the distributor. Refrigerant is substantially equally distributed by a distributor to substantially equally sized line sets in the DX system with multiple wells. The distributors are place in either horizontal or vertical inclinations with the pin restrictors situated on the field side of the distributor in each individual liquid refrigerant transport line. A cut-off ball valve is located within the liquid refrigerant transport line on each side of the respective pin restrictor housing units. A filter / dryer is place within the same liquid refrigerant transport line segment as the pin restrictor(s) with a refrigerant flow shut-off valve being situated on each side of the liquid line segment containing the filter / dryer and the distributor.
Owner:EARTH TO AIR SYST
Air conditioner
InactiveUS20130145785A1Maintain reliabilityImprove pressure resistanceMechanical apparatusCorrosion preventionLiquid lineMarine engineering
An air conditioner which controls capacity of an outdoor heat-exchanger unit without an on-off valve that exhibits high pressure loss, which prevents accumulation of refrigerant in an outdoor heat-exchanger, and which maintains reliability of a compressor or refrigeration cycle. The air conditioner includes a first expansion valve on a liquid line of a first outdoor heat- exchanger, a second expansion valve on a liquid line of a second outdoor heat-exchanger, a first connection line to connect a suction line to one port of the first 4-way valve, the suction line connecting a suction port of the compressor and an indoor heat-exchanger unit, a second connection line to connect the suction line to one port of the second 4-way valve, and a check valve provided on the second connection line to allow flow of refrigerant only from the second 4-way valve to the suction line.
Owner:SAMSUNG ELECTRONICS CO LTD
Heat radiating device and manufacturing process thereof
ActiveCN101478868ASave installation spaceEffective fitSemiconductor/solid-state device detailsSolid-state devicesHigh energyEffect light
Owner:BEIJING AVC TECH RES CENT
Insulated sub-surface liquid line direct expansion heat exchange unit with liquid trap
InactiveUS6932149B2Operation efficiency can be improvedReduce installation costsDomestic cooling apparatusOther heat production devicesLiquid lineFilling materials
A direct expansion geothermal heat exchange unit, which can be placed in sub-surface ground and / or water, consisting of at least one insulated refrigerant liquid / fluid line, with a liquid trap at the bottom of the liquid / fluid line, with at least one un-insulated refrigerant vapor / fluid line operatively connected to the insulated liquid / fluid line at a point above the liquid trap, where the un-insulated vapor / fluid line is in thermal contact with its adjacent sub-surface surrounding elements by means of a heat conductive fill material inserted as necessary to fill any void space, in any borehole or excavated area, between the vapor / fluid line and its respective adjacent sub-surface surroundings.
Owner:EARTH TO AIR SYST
MEMS microcapillary pumped loop for chip-level temperature control
InactiveUS6976527B2Improve performanceMaterial nanotechnologySemiconductor/solid-state device detailsTemperature controlLiquid line
A microcapillary pumped loop (CPL) for chip level temperature control includes two mating substrates which define an evaporator, a condenser, and a reservoir for a liquid. A first substrate includes a vapor line which couples vapor from the evaporator to the condenser, and a liquid line which couples liquid from the condenser back to the evaporator. A wicking structure for the evaporator is formed by etching in the second substrate. The wicking structure couples the evaporator to the reservoir and to the liquid line. The condenser includes a plurality of grooves formed in the second substrate which couples liquid from the condenser to the liquid line.
Owner:AIR FORCE UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF +1
Loop heat pipe
InactiveUS20120043060A1Improve heat transfer performanceSemiconductor/solid-state device detailsSolid-state devicesLiquid lineClosed loop
An exemplary loop heat pipe includes an evaporator, a condenser, a vapor line and a liquid line each connecting the evaporator with the condenser to form a closed loop. A working medium is contained in the closed loop. A wick structure is received in the evaporator, and includes a bottom wall contacting the bottom plate, a support wall extending up from the bottom wall and contacting the cover plate, and guide walls extending out laterally from the support wall. The support wall separates an interior of the evaporator into a liquid chamber adjacent to the liquid line and a vapor chamber adjacent to the vapor line. The guide walls are located in the vapor chamber. Guide channels are defined between the guide walls for guiding the working medium in a vapor state to flow from the vapor chamber through the vapor line to the condenser.
Owner:FU ZHUN PRECISION IND SHENZHEN +1
Protection and diagnostic module for a refrigeration system
ActiveCN101506600ACompression machines with non-reversible cycleCompression machines with reversible cycleLiquid lineEngineering
A system includes a compressor and a compressor motor functioning in a refrigeration circuit. A sensor produces a signal indicative of one of current and power drawn by the motor and a liquid-line temperature sensor provides a signal indicative of a temperature of liquid circulating within the refrigeration circuit. Processing circuitry processes the current or power signal to determine a condenser temperature of the refrigeration circuit and a subcooling value of the refrigeration circuit from the condenser temperature and the liquid-line temperature signal.
Owner:EMERSON CLIMATE TECH INC
Apparatus and method for determining refrigerant charge level
ActiveUS7631508B2Low-cost non-invasiveLow costThermometer applicationsRefrigeration safety arrangementLiquid lineMonitoring system
A method and apparatus for non-invasively determining a charge level of a refrigerant in a vapor-compression cycle system. The method and apparatus monitor the system while the system is operated to ascertain that the system is operating at approximately steady-state. The superheat and the subcooling of the system are then determined at the suction line and at the liquid line, respectively, and the refrigerant charge level is calculated based on the determined subcooling, the determined superheat, and rated operating conditions of the system, including rated refrigerant charge level, rated liquid line subcooling, and rated suction line superheat.
Owner:PURDUE RES FOUND INC
Loop heat pipe and startup method for the same
InactiveUS20120132402A1Semiconductor/solid-state device detailsSolid-state devicesLiquid lineWorking fluid
A loop heat pipe includes: a first evaporator and a second evaporator each of which vaporizes a liquid-phase working fluid and converts the liquid-phase working fluid to a vapor-phase working fluid; a first condenser and a second condenser each of which condenses the vapor-phase working fluid and converts the vapor-phase working fluid back to the liquid-phase working fluid; a first vapor line through which the working fluid converted to the vapor phase is transported to the first condenser; a first liquid line through which the working fluid converted to the liquid phase is transported to the second evaporator; a second vapor line through which the working fluid converted to the vapor phase is transported to the second condenser; and a second liquid line through which the working fluid converted to the liquid phase is transported to the first evaporator.
Owner:FUJITSU LTD
Boil-off gas condensing assembly for use with liquid storage tanks
Owner:CB&I STS DELAWARE LLC
Refrigeration monitoring system and method
ActiveCN101802521AEvaporators/condensersRefrigeration safety arrangementLiquid lineMonitoring system
A system is provided and may include a compressor having a motor and a refrigeration circuit including an evaporator and a condenser fluidly coupled to the compressor. The system may further include a first sensor producing a signal indicative of one of current and power drawn by the motor, a second sensor producing a signal indicative of a saturated condensing temperature, and a third sensor producing a signal indicative of a liquid-line temperature. Processing circuitry may processes the current or power signal to determine a derived condenser temperature and may compare the derived condenser temperature to the saturated condensing temperature received from the second sensor to determine a subcooling associated with a refrigerant charge level of the refrigeration circuit.
Owner:EMERSON CLIMATE TECH INC
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