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WO/1992/002771A1 |
The present invention pertains to an environmentally safe, lightweight, portable, user-friendly, self-contained, low-maintenance, refrigerant recycling, purification, and storage system capable of removing refrigerants from refrigeration...
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WO/1991/019141A1 |
The object of the invention is to provide a method and apparatus for reclaiming refrigerants which includes a refrigerant boiler (6) having a refrigerant inlet (1) for admitting contaminated refrigerant into the boiler (6). The suction i...
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WO/1991/014142A1 |
In systems or units for collecting volatile liquids, e.g. refrigerants from scrapped refrigeration systems, the liquid may be successively filled into a closed collector tank (12), inasfar as the vapour of the liquid as collected in the ...
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WO/1991/013290A1 |
An emissionless furnace boiler and effluent gas recovery system includes a pressure vessel (30) having a fluid input (29) and fluid output (38). The system is capable of maintaining an entropy characteristic equal to at least the condens...
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WO/1991/009260A1 |
A refrigerant recovery processing and storage unit (1) for removing and storing refrigerant from an air conditioning and refrigeration system is disclosed. The unit creates a pressure difference between the inlet (52) and outlet (51) sid...
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WO/1991/006478A1 |
A low boiling refrigerant, which is vented from a heat exchange system, such as an air-conditioner, is transferred directly from the exhaust valve of the heat exchange system through a tube to a collecting cylinder or tank (15). The coll...
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WO/1991/002932A1 |
Process and system for recovering refrigerant from refrigeration systems without substantial contamination of the atmosphere, said system comprising means for removing refrigerant from the system under the vapor pressure of the refrigera...
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WO/1991/000485A1 |
A refrigerant recovery and purification system (10) particularly applicable to automotive air conditioning systems employs a centrifugal separator (14) connected directly to the disabled automotive air conditioning system and which conne...
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WO/1991/000484A1 |
In a system for recovering of refrigerants the refrigerant is sucked into a separator container (2) by the action of a compressor (8), which forces the compressed gaseous refrigerant through filters (22, 28) for removing oil and humidity...
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WO/1990/015293A1 |
The present invention relates to a method and apparatus for cooling a bottle for reclaiming and storing of refrigerant such as CFC. The method comprises a cooling jacket (4) covering a bottle (1) and that a cooling medium for instance li...
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WO/1990/007683A1 |
The present invention involves the regulation of specific enthalpy at evaporator inlet by deliberate use of the pressure and/or temperature before throttling for capacity control. Capacity is controlled by varying the refrigerant enthalp...
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WO/1990/007092A1 |
Apparatus (1) for separating and removing contaminants from refrigerant of a vapour compression refrigeration system. The apparatus (1) has a primary separation chamber (3), a refrigerant inlet (8) through which contaminated refrigerant ...
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WO/1990/005669A1 |
A Freon type refrigerant, which is vented from a heat exchange system, such as an air-conditioner, is transferred directly from the exhaust valve of the heat exchange system through a tube to a collecting cylinder or tank (15). The outer...
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WO/1989/012792A1 |
A method and apparatus are provided for fully evacuating an air conditioning system (10) or refrigerator of the refrigerant in it, for storing the withdrawn refrigerant, and for providing an indication of when the system has been fully e...
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WO/1989/007227A1 |
The invention relates to a method and to an arrangement (1) for enabling refrigerants, preferably freons, to be emptied from refrigeration systems or heat pump systems (9) with the aid of piston compressor pumps (2) when repairing or scr...
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WO/1989/006336A1 |
A system for refrigerant and recovery and processing includes a hollow fluid-tight pressure vessel (28) having a fluid input (64); a hollow annular jacket (26) having its inner surface in thermal communication with the pressure vessel, t...
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WO/1989/005428A2 |
A microprocessor provides a diagnostic capability, and includes tables of acceptable values of parameters, such as air discharge temperature, suction pressure, etc., for different automobile makes and air conditioner types; provision is ...
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WO/1989/003963A1 |
A refrigerant reclaim system includes a compressor (30), a heat exchanger (10), an oil separator (20), a condenser (40), a chill tank (50), a filter-dryer (63) and a cooling coil (65) in the chill tank. Refrigerant to be reclaimed is dra...
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WO/1989/002567A1 |
A method for rapid emptying of refrigerants from large-scale refrigerant and heat pump units. The main components of the invention are a service compressor and a collection tank which may be a refrigerant tube. The collection tank has a ...
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WO/1989/000667A1 |
A device for withdrawing and bottling fluids has a first fitting (6) for connecting the device to a fluid-containing installation, a second fitting (8) for connecting bottling or transport containers (10), and a condenser (18) located be...
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WO/1988/007654A1 |
The apparatus (10) consists of a positive type compressor (36) which is driven by a motor (42) and to which refrigerant to be recovered is supplied via a centrifugal separator (24) into which an evaporator (23) and a heat exchanger (25) ...
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WO/1987/002757A1 |
A refrigerant recovery and purification system (10) for recovering refrigerant from a heat pump, air conditioner, or other vapor compression refrigerant system into a storage tank while concurrently purifying the recovered refrigerant of...
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WO/1986/005575A1 |
Process for and arrangement for a process to enable a cooling cycle to switch to two or several pairwise different temperature ranges for the evaporator-condenser, also with different temperature spans in between, whereby a programme con...
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WO/1981/000756A1 |
A device for drawing off cooling agents from refrigeration and heating plant such as heat pumps and large cooling installations, for instance. The present invention consists of a connecting pipe (14) intended to be connected to the syste...
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WO/1980/001102A1 |
The defrosting of the evaporators by means of hot high pressure liquid from the compressor has previously been done either by reversing the plant that is alternating use of the condensers as evaporators and evaporators as condensers and ...
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WO/1980/000491A1 |
A device for a heating or cooling unit such as, for example, a heat pump where the energy carrier is a substance, the volume of which varies substantially with the temperature, for example freon. In such a unit, which comprises condenser...
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JP7457244B2 |
An air-conditioning management system 1 includes: an air conditioning apparatus 2 configured to carry out a refrigerant recovery operation of recovering a refrigerant from a refrigerant circuit 9 that connects an outdoor unit 3 and an in...
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JP2024030044A |
The present invention suppresses solidification of refrigerant in a refrigerant circulation system when discharging the refrigerant from the refrigerant circulation system. A refrigerant discharge method according to an embodiment includ...
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JP2024030003A |
The present invention suppresses solidification of refrigerant in a refrigerant circulation system when discharging the refrigerant from the refrigerant circulation system. [Solution] A refrigerant discharge method according to an embodi...
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JP7440761B2 |
A valve opening circuit 5 mounted on a heat pump device having a valve on a refrigerant circuit includes a DC electric path 56 to which a DC voltage generated from an AC voltage for normal use is applied, a valve drive circuit 53 that op...
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JP2024025443A |
The present invention provides a refrigeration cycle device that can be brought into a connected state where refrigerant can be easily recovered. [Solution] Compressor 21, outdoor heat exchanger 23, outdoor expansion valve 24, indoor hea...
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JP2024025444A |
The present invention provides a heat source unit and a refrigeration cycle device that enable a refrigerant circuit to be in a connected state where refrigerant can be easily recovered. [Solution] An outdoor unit 20 having a bypass flow...
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JP7437489B2 |
A method disclosed herein includes installing a refrigerant cycle apparatus (100). The refrigerant cycle apparatus (100) includes a first heat source unit (30), a utilization unit (10), and a connection pipe (20). The method includes a f...
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JP2024021566A |
An object of the present invention is to improve the safety of a refrigeration cycle device that includes an indoor unit and an outdoor unit and uses a flammable refrigerant. A refrigeration cycle device that uses a flammable refrigerant...
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JP7413825B2 |
To provide a cooling device for power generation equipment which can reduce the outage of power generation equipment and the occurrence of unexpected costs without problem with the environment or equipment even when the power generation ...
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JP7407411B1 |
[Problem] An air conditioner that uses flammable gas such as R-290 as a refrigerant can be safely used, and even during a power outage, flammable gas can be monitored and released in an emergency manner, thereby increasing safety. [Solut...
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JP7385705B2 |
A multi-profile adapter assembly is disclosed for connecting a pressurized fluid source to two or more different fittings. The adapter assembly includes an injector connector removably attachable to a hose connected to a pressurized flui...
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JP7383015B2 |
Refrigerant compositions including 2,3,3,3-tetrafluoropropene (HFO-1234yf) and propylene (R-1270) which exhibit near-azeotropic or azeotrope-like behavior. The refrigerant compositions exhibit a low global warming potential (GWP) and are...
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JP7380303B2 |
To provide a cooling device for power generation equipment which can use natural refrigerants that have no environmental impact without problem with equipment even when the power generation equipment continues to operate if the device is...
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JP2023152795A |
To provide an air conditioning unit that can be stored safely while suppressing mixing of unnecessary matters, and to provide a package unit.An outdoor unit (20) is encapsulated with a refrigerant having combustibility, where an encapsul...
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JP2023543085A |
Novel thermal systems using removable heat pump modules reduce service time and complexity, increase the range of safely available refrigerants, increase the efficiency of many thermal systems, and create new industrial applications. Use...
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JP2023144622A |
To suppress confusion of a user when reporting to the user a determination result of refrigerant leakage in a refrigerant circuit in a refrigeration cycle device.An air conditioner 10 includes: a use side unit 22; a heat source side unit...
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JP2023538321A |
A system for filling an outdoor unit with refrigerant includes a sensor configured to measure refrigerant concentration and a user device configured to receive the measured refrigerant concentration. The system is configured for the user...
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JP7339334B2 |
Refrigerant compositions including 2,3,3,3-tetrafluoropropene (HFO-1234yf) and at least one of ethane (R-170) or propane (R-290) which exhibit near-azeotropic or azeotrope-like behavior. The refrigerant compositions exhibit a low global ...
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JP7334455B2 |
To provide a refrigerant recovery device in which there is neither a portion requiring electrical driving nor a portion causing friction between metals at a structure part having a recovered refrigerant passing therethrough and that can ...
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JP7333514B2 |
To enable a refrigerant operation to be performed as a plurality of pieces of refrigerant operation-related equipment are concurrently connected together.A refrigerant operation support apparatus 1 includes: a manifold that has two first...
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JP7328470B1 |
A heat pump system according to the present disclosure includes a carbon dioxide recovery system that recovers carbon dioxide from the air using energy, and a heat pump device that stores at least carbon contained in the carbon dioxide r...
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JP2023534291A |
A system for detecting and mitigating refrigerant leaks includes a temperature controller configured to send a control signal to a component controller and a blower configured to circulate air. The system includes a leak mitigation contr...
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JP2023102420A |
To provide a method for charging a refrigerant into a refrigeration cycle device, which can easily charge an appropriate amount of the refrigerant without information such as a receiver tank capacity, an evaporator, a pipe length, and th...
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JP7312513B1 |
An object of the present invention is to provide a user-friendly and versatile gas recovery device having a structure that can correspond to the type of gas storage box, the type of gas stored in the gas storage box and/or the storage st...
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