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WO/2007/120264A2 |
A chiller system includes a switched reluctance motor for powering the compressor of the chiller system. A variable speed drive with a boost converter provides a boosted voltage to the switched reluctance motor. The switched reluctance m...
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WO/2007/113233A2 |
The present invention relates to a hermetic compressor (1) utilized in cooling devices, providing the circulation of the refrigerant fluid in the cooling cycle line (H) containing the condenser, evaporator and the connection ducts, where...
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WO/2007/111586A1 |
A refrigeration system (20A) comprises an evaporator (27), a two-stage compressor (32) for compressing a refrigerant, a second compressor (34) for compressing the refrigerant, a heat rejecting heat exchanger (24) for cooling the refriger...
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WO/2007/110991A1 |
The vapor compression refrigerating apparatus of the invention comprises a compressor (2), a condenser (4), a regeneration heat exchanger (6), an expansion means (8), and an evaporator (10) connected in series. The vapor compression refr...
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WO/2007/107510A1 |
The cooling device (1) of the present invention comprises a compressor (5) having a cylinder (7) that provides the circulating fluid to be sucked and pumped, a cylinder head (8) situated above the cylinder (7), directing the sucked and p...
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WO/2007/074852A1 |
An electric compressor having a built-in electric motor for driving the compressor and in which a connection section between an external terminal for power supply to the electric motor and the end of a wire from the stator of the electri...
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WO/2007/068463A1 |
A water-cooled piston compressor having at least one air-compressing piston (5), which can be driven with means for producing a linearly oscillating drive force and which is accommodated in an axially movable manner in a cylinder housing...
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WO/2007/068247A1 |
Method and a system for oil management where a common pressure shield (4) contains all oil management functions for treatment of the mixture of oil and refrigerant leaving the compressor, and returning the oil to the compressor. The pres...
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WO/2007/067169A1 |
A vapor compression system includes a compressor, a condenser, an expansion device and an evaporator. Refrigerant circulates though the closed circuit vapor compression system. Touchdown bearings protect a rotor during power shutdown of ...
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WO/2007/029180A2 |
This invention relates to a cooling device (1) wherein it is accomplished that the life-span of the compressor (4) is increased and thus the refrigeration cycle is performed in a more effective manner as oil accumulated in the refrigerat...
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WO/2007/012961A1 |
A terminal board device insertable on a fluid-tight terminal having pin contacts for a compressor including a first supporting element, made of electrically non-conducting material and box-shaped, a plurality of electrical blade type con...
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WO/2006/128617A1 |
A method for lubricating a rolling element bearing (16, 17) by means of an ultra low viscosity volatile fluid (ULWF) comprises the steps of: - injecting a liquefied fluid flow into the bearing (16, 17), - lubricating the rolling contacts...
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WO/2006/128457A1 |
The invention concerns a method and a cooling system for oil separation in a cooling circuit, including compression means (4) that supply coolant under a first high pressure through means for oil separation (10) and further on through co...
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WO/2006/086982A1 |
An apparatus for cooling carcass parts (1) comprises at least one cooling element (8, 9) with a flexible cooling surface (14) for abutment with a carcass part (1) ; a form- stable shell (15) ; and a cavity (17) behind the flexible coolin...
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WO/2006/062245A1 |
The present invention provides a refrigerant compressor which may assure excellent reliability while using low-viscosity refrigerant. The refrigerant compressor is characterized in that the viscosity of oil stored in hermetic container r...
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WO/2006/048825A1 |
This invention relates to of a cooling device (1) comprising a compressor (2) which compresses the refrigerant fluid, a condenser (3) which enables the superheated vapor exiting the compressor (2) change to first a liquid-vapor phase the...
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WO/2006/044787A2 |
A pressure equalization system is provided for starting a compressor while maintaining the condenser at a high pressure and includes a valve and a bleed port. The compressor has a compressor inlet for receiving a fluid at a first pressur...
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WO/2006/041682A1 |
A compressor system includes a first compressor (10) , which has a first low side oil sump, in a first shell (12) and a second compressor (14) , which has a second low side oil sump, in a second shell (16). The first and second compresso...
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WO/2006/010391A1 |
The invention relates to a refrigeration machine, particularly a heat pump, comprising a closed circuit, which contains a coolant and in which an evaporator, a compressor, a condenser and an, in particular, electrically operated expansio...
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WO/2006/012189A1 |
A refrigerant cycle (20) having a compressor (22) compressing a refrigerant to a downstream condenser (24). A fun (25) blow air over the condenser (24). Typically, the condenser is an outdoor heat exchanger. From the condenser (24) refri...
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WO/2006/005832A1 |
The invention concerns an assembly comprising a compressor unit (10), inlets (23) and outlets (24) to a heat collecting network, inlets (33) and outlets (34) to a heat return network, and two heat exchangers (20, 30) coupled to the compr...
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WO/2005/124246A1 |
A compressor (101) for a refrigeration unit having a stator (106), a rotor (133) orbiting in engagement with the stator (106) to cyclically open, fill with refrigerant gas from at least one inlet port (103), compress and discharge compre...
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WO/2005/119137A2 |
A miniature cooling device (100) includes numerous improvements capable of increasing the reliability and useful lifetime of the device, as well as improving electrical power to cooling power conversion efficiency. The improvements inclu...
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WO/2005/116538A2 |
A system has a compressor having a compression path between a suction port located to receive a working fluid and a discharge port located to discharge the working fluid. The system has means for controlling a flow of at least one of add...
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WO/2005/114064A1 |
An engine heat pump capable of increasing operating efficiency (energy efficiency) by reducing compression work without increasing the use amount of electric power. The engine heat pump comprises a main compressor (2) and an auxiliary co...
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WO/2005/111519A1 |
A refrigerator where returnability of a refrigerating machine oil to a compressor is improved. The refrigerator has a compressor at the top portion or an upper rear portion of a refrigerator body and has a freezing cycle using hydrocarbo...
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WO/2005/108881A1 |
The invention relates to an air conditioning compressor comprising a coolant suction flow, a coolant discharge flow, and an oil separator which is arranged in the discharge flow region. According to the invention, a coolant flow is branc...
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WO/2005/103587A1 |
Cabinet (2) for a refrigeration compressor (3) delimiting an inner space designed to receive electrical and electronic components (6), characterized by having at least one support (16) for the electrical and electronic components (6) and...
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WO/2005/103492A1 |
Device (7) for distributing suction gas for a parallel compressor (2) installation, said installation having at least two refrigeration compressors (2), at least one oil level equalization tube (5) providing a communication between the o...
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WO/2005/100881A1 |
A chiller system 10 includes a refrigerant loop 90, the refrigerant loop 90 further including a compressor 60, an air-cooled condenser arrangement 70 and an evaporator arrangement 80 connected in a first closed refrigerant loop 90. A mot...
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WO/2005/095874A1 |
A humidity controller (10) is provided with a refrigerant circuit (60). The refrigerant circuit (60) has first and second heat exchangers (61, 62) carrying an adsorptive agent and circulates a refrigerant to perform a freezing cycle. Fur...
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WO/2005/089152A2 |
A compressor assembly includes a compressor having a known vibration frequency when operated at normal operating parameters; and an electric box assembly having a frame member mounted to the compressor for containing electrical component...
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WO/2005/089151A2 |
A compressor assembly, including a compressor, at least one pipe having ends and an intermediate portion between the ends, the at least one pipe being connected to the compressor at the ends, and at least one support member for supportin...
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WO/2005/074485A2 |
A method comprises the steps of (a) providing a refrigeration unit having a refrigerated or heated space and at least one measured operating parameter, (b) providing heat to the refrigerated space when the at least one measured operating...
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WO/2005/073558A1 |
Disclosed is a hermetically enclosed refrigerant compressor comprising a hermetically tight compressor housing (1) inside which a piston-cylinder unit compressing refrigerant operates with an intake valve that is provided with an intake ...
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WO/2005/060430A2 |
A system including (i) a primary loop including a first oil compressor configured to raise the pressure of a refrigerant flowing through the primary loop, an oil separator configured to separate oil contaminant from the refrigerant, a va...
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WO/2005/057095A1 |
A cooling system (10) including an evaporator (28), a suction line (74), a two stage compressor (20), a gas cooler (24) and a capillary tube (60). The suction line receives gaseous or two phase refrigerant from the evaporator, the compre...
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WO/2005/038359A1 |
A suction accumulator for refrigeration or air-conditioning system use, especially for automotive air conditioning system use, which comprises a 'pickup tube' to withdraw liquid from a reservoir of the accumulator to return oil to the co...
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WO/2005/036072A1 |
A refrigeration system includes a predetermined amount of refrigerant, at least one evaporator unit operable to receive the refrigerant in a liquid state, and at least two condensing units in fluid communication with the evaporator unit ...
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WO/2005/017423A1 |
A freezer device has a refrigerant circuit (10) and a recovery container (40) for oil. In the refrigerant circuit (10), a compressor (21), an outdoor heat exchanger (24), and an indoor heat exchanger (33) are connected to perform a freez...
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WO/2005/003560A1 |
By adopting a construction in which a first balance weight is provided at the side end portion of the eccentric shaft portion of the auxiliary shaft portion and a second balance weight is provided at the side end portion of the eccentric...
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WO/2004/109200A1 |
A conventional heat pump system with a thermal storage section has had problems of an installation space and construction because the system requires a large capacity hot water storage tank. A thermal storage-type heat pump system has a ...
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WO/2004/106737A1 |
A linear compressor has a hollow piston (8002) with crown (8009) and sidewall (8006) reciprocating in a cylinder with a piston rod (8000) connecting the piston (8002) to a spring. A axially stiff but laterally compliant connection (8001)...
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WO/2004/092686A2 |
Two liquid levels are sensed in the oil sump of a compressor to determine if sufficient oil and excess refrigerant are present prior to starting the compressor and appropriate steps taken, if necessary. At start-up, and during operation,...
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WO/2004/079883A1 |
A magnetizing and assembling method capable of realizing a low cost and highly reliable electric compressor with a rotor having a built-in magnet. Magnets (130) are inserted into jig slots (104) arranged in a magnetizing jig (100) formed...
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WO/2004/076945A1 |
An extra portion of oil (L) in compressors (4a, 4b) is gathered in a buffer tank (44) through oil equalizing pipes (41a, 41b), respectively. The oil (L) is then distributed from the buffer tank (44) to the compressor (4a, 4b), and the pr...
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WO/2004/054342A2 |
A turbomachinery system (200) for cooling a high power density device (220) includes a turbomachine (300, 405, 505) configured to deliver a high flux cooling medium and a high power density device (220) arranged in fluid communication wi...
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WO/2004/051161A1 |
A vaporizer (38) for boiling off a liquid refrigerant from a combined liquid refrigerant/lubricant mixture (32) tapped from an evaporator (24) utilizes hot compressed gaseous refrigerant tapped (42) from a location upstream of the conden...
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WO/2004/048863A1 |
An air conditioner (1), comprising a plurality of heat source units (102a to 102c), refrigerant liquid communication pipes (4) and refrigerant gas communication pipes (5), utilization units (3a, 3b), and a refrigerant feed circuit, the r...
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WO/2004/044951A2 |
Apparatus providing at least one thermoelectric device for pressurizing a liquefied gas container and methods employing same are disclosed. A thermoelectric device including a heating surface and a cooling surface is used for pressurizin...
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