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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/2005/108879A1 |
A refrigeration generation system wherein a frequency modulating mechanical resonator (1) is positioned between a pressure wave generator (10) and a cryocooler and serves to reduce the frequency of the oscillating gas emanating from the ...
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WO/2005/108768A1 |
The invention relates to an acoustic power transmitting unit for thermoacoustic systems comprising at least on stage ptovided with at least two thermoacoustic units (3, 4, 12-16) each of which comprises a regenerator or a stack and two h...
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WO/2005/106341A1 |
An air conditioner system capable of heating the inside of a room and preventing cold draft by ventilation air supplied to the inside of the room for ventilating the inside of the room. The air conditioner system (101) comprises a heat s...
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WO/2005/106352A2 |
A pulse tube system for generating refrigeration for uses such as in magnetic resonance imaging systems or in high temperature superconductivity systems wherein an oil-free compressor (1) operating at a higher frequency generates pulsing...
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WO/2005/106351A2 |
A cryocooler having two operating modes so that its operating range is broadened, its gas bearing system is maintained in an operable state and it can utilize piston stroke modulation for energy efficiency. A piston stroke modulator modu...
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WO/2005/103583A1 |
The gas circulating in the conduit (1) is cooled and liquefied under pressure in the heat exchanger (11). The gas emanating from the heat exchanger (11) via the conduit (2) is guided by the conduit (3) into the expansion device (13). The...
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WO/2005/103584A1 |
A heat pump device with high recovery efficiency and high reliability, comprising an expander (711) expanding a working fluid, a permanent magnet type synchronous generator (710) installed to recover power by the expander (711) and gener...
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WO/2005/100888A1 |
A cooling apparatus (1) comprises a vacuum chamber (3) ; an inner chamber (2) positioned within the vacuum chamber (3) for containing coolant for cooling target apparatus; and a mechanical refrigerator (10) for refrigerating the coolant....
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WO/2005/100879A2 |
A resonant linear motor driven cryocooler system, particularly suited for providing refrigeration to a magnetic resonance imaging system, wherein vibrations from the resonant linear motor (20) and noise from pulsed gas are isolated from ...
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WO/2005/098329A2 |
A method for operating a cryocooler which provides opportunity for timely intervention prior to failure thus enhancing the reliability of the provision of the refrigeration wherein temperature trending of at least one cryocooler componen...
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WO/2005/098328A1 |
It has been difficult to operate drying equipment under stable and highly efficient conditions as superheat changes in a drying process. Drying equipment is provided with a first temperature sensor for detecting a temperature of a coolin...
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WO/2005/098336A1 |
An evaporator is formed, having an inflow opening from which a liquid or substantially liquid refrigerant flows in, heat exchanging piping for evaporating the refrigerant, and an outflow opening from which the refrigerant flows out. The ...
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WO/2005/095877A1 |
An apparatus for re-liquefying helium (20) which comprises a purifying device (30) having a porous capturing section (325) for cooling, solidifying and capturing impurities in a helium gas, a gas-discharging pump (25) connected to the in...
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WO/2005/095871A1 |
A helium circulating device capable of re-liquefying a refrigerant efficiently at low cost; and a helium circulating method. A helium circulating device (20) comprises a dewar (3) storing liquefied helium at about 4 K, a condenser (40) c...
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WO/2005/094445A2 |
A method for operating a pulse tube cryocooler system wherein in the event the mean pressure of the working gas within the fixed volume of the cryocooler undergoes a change, the operation of the system is kept from severe degradation by ...
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WO/2005/093339A1 |
An acoustic heater capable of heating an object while utilizing thermoacoustic effects and an acoustic heating system. The acoustic heater comprises, at a first tube part (2a), a first stack (3a) held by a high temperature side heat exch...
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WO/2005/093341A1 |
A thermoacoustic device enabling a reduction in time in which sound wave is generated and a satisfactory heat exchange in stacks. The device (1) comprises, in a loop tube (2), the first stack (3a) held by a first high temperature side he...
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WO/2005/093351A1 |
The recovery of ethylene from light gases at low temperature by the use of a mixed refrigeration system comprising methane, ehtylene and/or ethane, and propylene and/or propane.
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WO/2005/093340A1 |
A thermoacoustic device using a loop tube and capable of rapidly and efficiently performing heat exchange by rapidly generating a standing wave and a traveling wave and a thermoacoustic system. The thermoacoustic device comprises, in the...
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WO/2005/090874A1 |
A control particularly useful for a hot water heating system, includes calculation of a desired leaving water temperature for water leaving a hot water heat exchanger, and a desired refrigerant condition for most efficiently achieving th...
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WO/2005/089121A2 |
A PID control for a vapor compression system utilized to heat water identifies a particular range of error signals and derivative of the error signals that could be indicative of the cycle moving in an inefficient direction. If this dete...
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WO/2005/090875A1 |
A low pressure in a refrigeration cycle and a refrigerant temperature at the outlet of a radiator under reference operating conditions are a reference low pressure and a reference refrigerant temperature, respectively, and a high pressur...
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WO/2005/088077A1 |
A rotary type expansion machine (60) is provided with two rotary mechanisms (70, 80). The first rotary mechanism (70) has a displacement volume smaller than that of the second rotary mechanism (80). The first low pressure chamber (74) of...
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WO/2005/088213A1 |
A refrigerant cycle is provided with a control for an expansion device to achieve a desired compressor discharge pressure. The system operates transcritically, such that greater freedom over compressor discharge pressure is provided. The...
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WO/2005/088210A1 |
An improved method of reducing wear dust and torque required to turn a multi-port rotary disc valve utilizes a thrust bearing to hold the valve seat and/or valve disc such that they are not in contact with each other, or have light conta...
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WO/2005/085597A1 |
The free piston cooler transient temperature control system of the present invention eliminates collisions during the transient cool-down period in a free piston cooler upon start-up. The transient temperature control system incorporates...
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WO/2005/080796A1 |
A cylinder (2), a roller (4), an upper bearing member (7) and a lower bearing member (8) form a space, the space is partitioned by a vane (5) into working chambers (12). Working fluid is sucked into the working chamber (12) through a suc...
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WO/2005/080892A1 |
Method of liquefying hydrogen at elevated pressure comprising precooling (17) the hydrogen by indirect heat exchange with evaporating liquefied natural gas; cooling in at least two heat exchangers (20, 21, 23) arranged in series the gase...
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WO/2005/080889A1 |
The invention relates to an expansion module (10) for a coolant, in particular an expansion module (10) for the controlled expansion of a coolant on the high pressure side of a refrigeration system or air conditioning system (12) to achi...
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WO/2005/080756A1 |
An exhaust heat energy recovery device for an internal combustion engine capable of efficiently recovering exhaust heat energy without increasing the exhaust back pressure of the internal combustion engine and a Brayton cycle device usab...
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WO/2005/080896A1 |
In a heat pump apparatus of the invention, a refrigerant is circulated through a compressor 31, a radiator 32, a first throttle apparatus 33, a heat exchanger 34, a second throttle apparatus 35 and an evaporator 36 in this order. The hea...
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WO/2005/078363A1 |
A multi valve two-stage pulse tube type GM refrigerator having a rotary valve that comprises one track for flow to the regenerator and two tracks for flow to the pulse tubes where the valve has two high pressure ports to the pulse tubes ...
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WO/2005/073650A1 |
An energy-efficient heat pump water heating system determines whether to energize a heat pump by interpreting readings from one or temperature sensors based on two thresholds. The heat pump is energized if the detected temperature falls ...
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WO/2005/072404A2 |
The disclosure is directed to a cooling system that includes a first refrigerant cycle and a second refrigerant cycle. The first refrigerant cycle has a first refrigerant and the second refrigerant cycle has a second refrigerant comprisi...
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WO/2005/072194A2 |
A rotary valve unit which reduces the torque required to turn the valve disc, and the amount of wear dust that is blown into the cold head, using differential gas forces to keep the valve disc in contact with the valve seat, and which en...
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WO/2005/070028A2 |
The present invention relates to compositions that are suitable for removing or reducing residue from a vapor compression air conditioning or refrigeration system consisting essentially of 1,1,1,2,2,3,4,5,5,5-decafluoropentane and polyol...
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WO/2005/068921A1 |
A Stirling refrigerator (1), comprising a Stirling refrigerating machine (2), a loop-shaped heat transfer system (3) for transferring a heat generated in the hot part (2a) of the Stirling refrigerating machine (2) through a secondary med...
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WO/2005/065300A2 |
Heat differential power systems and apparatus for powering liquid cooling systems and/or generating electrical power in a data processing system or a telecommunication system are presented. A number of embodiments are presented. In each ...
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WO/2005/066554A1 |
An ultralow temperature refrigerator (R) using a mixed refrigerant containing a plurality of kinds of refrigerants having different boiling points. The refrigerator (R) comprises a main refrigerant circuit (38) provided with a criocoil (...
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WO/2005/062813A2 |
An accumulator acts as a buffer to prevent over-pressurization of the vapor compression system while inactive. By determining the maximum storage temperature and the maximum storage pressure a system will be subject to when inactive, a d...
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WO/2005/062814A2 |
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method includes choosing an expansion valve openin...
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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/2005/059450A1 |
The invention relates to a reversible or heat pump or refrigeration system which is intended to enable the use of a mixture of refrigerant fluids having a high temperature glide. The inventive system comprises multi-stage evaporation mea...
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WO/2005/059448A2 |
A vapor compression system includes a compressor, a gas cooler, an expansion device, and an evaporator. Refrigerant is circulated through the system. The high side pressure of the vapor compression system is selected to optimize the heat...
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WO/2005/059447A2 |
An expander controls the expansion and flow of refrigerant between high and low pressure within a vapor compression system. The expander drives a shaft that in turn drives a friction disk within a friction heat generator. Frictional cont...
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WO/2005/057102A1 |
In the cooling box of the invention, a box interior cooling heat exchanger is connected to a lower temperature-side heat exchanger mounted in the lower temperature section of a Stirling freeze engine, thereby forming a lower temperature-...
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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/2005/057099A1 |
Carbon dioxide refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. Carbon dioxide is extracted from a vehicle exhaust stream that includes combustion ...
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WO/2005/057096A1 |
A heat exchanger including a suction line (74) for gaseous or two phase refrigerant output from an evaporator (28) and a capillary tube (60) carrying cooled refrigerant to the evaporator. The suction line includes first and second substa...
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