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WO/2003/027583 |
One end of a relay RY is connected to one end of the valve coil L1 of a 4−way switching solenoid valve, with a dc high voltage (DC280V) applied to the other end of the relay RY. The collector of a transistor Q1 is connected via a diode...
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WO/2003/027584 |
A first heat exchanger (13) and a second heat exchanger (14) are connected to a main passageway (16) having an on−off valve (15). The on−off valve (15) is bypassed by a throttle passageway (18) having a capillary tube (17). In the cl...
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WO/2003/026103 |
A main cooling cycle (S1a) comprising a compressor (1), condenser (2), liquid receiver (3), subcool condenser (4), valve (37), main expansion valve (5), and an evaporator (6) has a parallel connection of a first branch refrigerant piping...
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WO/2003/025477 |
A refrigerating system, comprising an orifice tube system having such a refrigerating cycle that refrigerant flows through a compressor (1), a condenser (10), an orifice tube (3), an evaporator (4), and an accumulator (5) in that order a...
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WO/2003/023265 |
A control valve capable of preventing a valve head from biting in a valve seat, capable of being reversed satisfactorily, and capable of eliminating chattering at the time of valve closing while facilitating the overall configuration the...
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WO/2003/019089 |
A refrigerating cycle capable of preventing vibration and noise from occurring at the time of opening and closing of a valve and increasing the stability of control in all load areas to be used, comprising a compressor for force−feedin...
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WO/2003/014637 |
Compressors (1) supply a primary air-cooled condenser (4) which is followed by an indirect heat exchanger (6), a liquid receiver (8) and a second indirect heat exchanger (10) acting as a refrigerant sub-cooler. A pump (12) supplies sub-c...
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WO/2003/012350 |
A refrigeration system for chilling an enclosure. The system may include a thermal transfer pathway with a cold producing unit and a thermal storage unit connected to the pathway via a number of quick disconnect fittings.
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WO/2003/006890 |
A dehumidifying air-conditioning apparatus comprises a pressurizer (4) for raising a pressure of a refrigerant, a condenser (5) for condensing the refrigerant to heat a high-temperature heat source fluid, and an evaporator (1) for evapor...
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WO/2003/004947 |
A heat pump having a cooling cycle including a compressor (1), a gas cooler (3), a pressure reducing device (5) and an evaporator (7) in which water can be heated by the gas cooler. The cooling cycle is filled, on the high pressure side ...
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WO/2003/001129 |
In a freezing device capable of room air conditioning, cooling a refrigerating showcase, and cooling a freezing showcase, it is intended to continue the operation even if one compressor goes out of order, without incurring a decrease in ...
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WO/2002/101304 |
A refrigerant circuit capable of performing a refrigerating cycle by compressing refrigerant to a critical pressure or higher by a compressor (15), comprising the compressor (15), a water heat exchanger (16), a receiver (18), an expansio...
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WO/2002/097342 |
An apparatus for controlling the temperature of a electronic device (10) under test includes a thermal head (14) having a temperature controlled surface (16) for making thermal contact with the electronic device (10). The thermal head (1...
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WO/2002/093091 |
The present invention relates to a device and method for operating a refrigeration cycle having compressor (10), condenser (20), metering device (33) and evaporator (40) without icing of the evaporator (40) using a hot gas bypass (70) co...
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WO/2002/090844 |
To provide a transportable cooling unit for maintaining a transport volume at a defined temperature, comprising a closed cooling circuit and a controller sensing a temperature present within said transport volume and controlling said coo...
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WO/2002/090843 |
A refrigerating circuit (1) for a refrigerating device has successively connected thereto a compressor (10), a condenser (11), an electric expansion valve (13), an evaporator (17), and a suction proportional valve (21). A control means (...
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WO/2002/086396 |
This invention increases efficiency of a refrigeration system (10) by maximizing the cooling of the condenser (14) and reducing unnecessary work done by the compressor (12). In air cooled systems it will also increase the stability of th...
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WO/2002/084187 |
A two-stage refrigeration system includes an intermediate slurry tank for receiving and storing a refrigerant vapor and a slurry of solid sublimatable refrigerant particles in a liquid. The intermediate slurry tank has a first outlet for...
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WO/2002/081923 |
A pressure equalisation method and system (10) is provided for starting a compressor (2) while maintaining the compressor (2) at a high pressure and comprises a valve (28) and a bleed port (26). The compressor (2) has a compressor inlet ...
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WO/2002/081924 |
A pressure equalization method and system (10) is provided for starting a compressor (2) while maintaining the condenser (8) at a high pressure and comprises a valve (28) and a bleed port (26). The compressor (2) has a compressor inlet (...
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WO/2002/077545 |
A high and low pressure gas selector valve of a refrigerator, comprising a housing having a generally cylindrical inner peripheral surface, a housing flow passages having a high pressure gas flow passage and a low pressure gas flow passa...
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WO/2002/077542 |
Vapor compression heat exchange systems (10,100) are disclosed that are designed to allow for optimal mass flow of refrigerant there through. The systems of the present invention do not employ conventional refrigerant metering devices, s...
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WO/2002/077542 |
Vapor compression heat exchange systems (10,100) are disclosed that are designed to allow for optimal mass flow of refrigerant there through. The systems of the present invention do not employ conventional refrigerant metering devices, s...
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WO/2002/066872 |
A self-contained regulating valve having a spool (13) axially movable in the internal space of a cylindrical valve main body (11), wherein one pressure (P¿1?) is applied to one end surface of the spool (13) while the other pressure (P¿...
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WO/2002/065028 |
A compressor-pump unit (20) for use in a vapor-compression refrigeration system (10) is provided. The compressor-pump unit (20) comprises a driving device (24) including a rotatable shaft (42). A compressor (26) is coupled with a first p...
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WO/2002/063223 |
This duplex-type heat exchanger is adapted to a vapor compression type refrigeration cycle in which a condensed refrigerant is decompressed and then evaporated. This duplex-type heat exchanber is integrally equipped with a subcooler S in...
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WO/2002/063224 |
An apparatus and associated method for discharging a fluid (20) and a liquid (30, 34) separated from the fluid (20) from an outlet chamber (16) of a heat exchanger (11,15). The outlet chamber (16) is configured to collect the separated l...
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WO/2002/061350 |
In a refrigerating cycle having incorporated therein a choke consisting of an inlet silencing space (19), an inlet-side foam metal part (20) communicating in a direction of flow of a refrigerant, an orifice (23), an outlet-side foam meta...
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WO/2002/059533 |
A manifold (10) for charging a system which when in use cycles a refrigerant between liquid and gaseous states is disclosed. The manifold (10) includes a housing defining a flow passage extending from an inlet (16) to an outlet (18). Str...
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WO/2002/057695 |
A refrigerating cycle using a refrigerant with low critical point such as carbon dioxide, comprising a relief device (11) for relieving the refrigerant from a high pressure line to a low pressure line according to a refrigerant pressure ...
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WO/2002/057697 |
Disclosed are a method and apparatus for chilling food product, employing (A) cooling means comprising (1) a rotatable drum (1), (2) means in said drum for urging pieces through said drum, (3) cryogen dispensing means (6), and (4) means ...
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WO/2002/048623 |
To prevent foreign particles from entering the inlet (8) of a solenoid valve (1) during assembly in a coolant circuit, a particle filter (6) is connected upstream of said inlet (8).
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WO/2002/048592 |
The invention relates to a solenoid valve for a coolant circuit comprising a valve body (1), which has an inlet (7) and at least one outlet (4) for the coolant and a valve member (8) that can be displaced in the interior of the valve bod...
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WO/2002/046668 |
Refrigeration appliance comprising at least two storage compartments (10, 11) and a refrigerating circuit comprising a compressor (14), a condenser (15), valve means (18, 19) and two evaporators (12, 13). The compressor (14) is a variabl...
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WO/2002/044633 |
The present invention generally relates to an apparatus and method for urging fluid from a charging system to a pressurized system. The apparatus (20) has a rigid body (90) with a conduit (68) defined therein. The body (90) is mounted be...
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WO/2002/044632 |
A refrigeration system has a plurality of heat exchange units (27) with high and low pressure gas and liquid refrigerant lines (14,31,32,33) connected to a compressor (12), a condenser (19), and a secondary evaporator (24). A primary ref...
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WO/2002/037037 |
A shut-off valve (10) for pressurized fluids in an air cooling/heating apparatus that includes at least one condenser and at least one fluid evaporator communicating with each other by a pipe (62, 86). The valve (10) includes two ducts (...
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WO/2002/029337 |
The present invention provides a cryogenic refrigerating system for achieving ultra low temperature by sequentially obtaining low temperature through repetition of expansion and evaporation of a mixed-refrigerant in multiple stages. The ...
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WO/2002/025179 |
Disclosed is a refrigeration cycle comprising a compressor 11, a condenser 13, an expander 21 and an evaporator 33, through which a refrigerant is circulated, further comprising a first auxiliary heat exchanger 27 exchanging heat between...
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WO/2002/025178 |
Disclosed is a refrigeration cycle comprising a compressor (11), a condenser (13) an expander (25) and an evaporator (31), through which a refrigerant is circulated, further comprising a heat exchanger (15) exchanging heat between the re...
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WO/2002/023105 |
An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The ice cube-making machine has an evaporator package (30), a sep...
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WO/2002/023102 |
A vapor compression system (10) having a line (19) for flowing heat transfer fluid (34), a compressor (12) and a condenser (14) both connected with the line (19). The vapor compression system (10) also has an expansion device (18) connec...
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WO/2002/021055 |
A method and apparatus for providing an indication of the composition of an examined fluid by using an electrical resistor, particularly a positive temperature coefficient thermistor, for measuring the thermal conductivity of the examine...
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WO/2002/016839 |
The invention relates to a dryer for the coolant circuit of a refrigeration device, comprising a housing (1) with a first and a second through opening (2, 3). The cross-section of the first through opening (2) comprises a circular main s...
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WO/2002/016837 |
A pulse tube expander (70) includes a regenerator (30), a pulse tube (42), a porous plug phase shifter (74), and a surge tank (60), in series gaseous communication with each other. The porous plug phase shifter (74) is made of a porous m...
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WO/2002/014724 |
A motor-operated selector valve used for a refrigerating cycle device for refrigerator-freezer capable of making compatible an increase in performance with an energy saving of a refrigerator-freezer at a higher level, comprising a valve ...
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WO/2002/008677 |
The invention concerns an expansion device (7) for refrigerant liquid pertaining to a circuit comprising a flexible pipe (4), and the corresponding circuit. The device (7) comprises an insert (13) pierced right through with a bore (14, 1...
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WO/2002/008676 |
The invention relates to a multi-temperature refrigeration device (10). The evaporator (24, 25, 26) thereof, for cooling the chambers to different temperatures may be separately controlled by means of a solenoid valve (22, 23). A throttl...
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WO/2002/008674 |
A refrigerant circuit, comprising a bypass circuit bypassing a fluid pipe side pipe (131) and a gas pipe side pipe (132) having, thereon, a receiver (121) for recovering fluid refrigerant, a fluid pipe motor-operated valve (128) installe...
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WO/2002/004876 |
The invention relates to a cooling system having two modes of operation, active and passive operation. The new cooling system differs from the prior art in that the pipe connection (4) is connected with the top of the evaporator (6), and...
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