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JP05296577 |
PURPOSE: To prevent liquid refrigerant from being returned to a compressor from an auxiliary heat exchanger of an outdoor heat exchanger through an oil separator at the time of stopping an air conditioner. CONSTITUTION: Oil separators 4a...
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JP05288428 |
PURPOSE: To obtain a refrigerating cycle of an air conditioner which is capable of performing heating, cooling and dehumidifying operation with an improvement in comfort or energy saving. CONSTITUTION: A refrigerant circulation cycle and...
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JP05288426 |
PURPOSE: To improve the performance of heating control of a compound type heat pump. CONSTITUTION: Refrigerant is sent from a compressor 1 to two heat exchangers (for example, 4A and 4B) which function as condensers, and the flow rates a...
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JP05264111 |
PURPOSE: To provide a refrigerating cycle wherein capacity control can be conducted variously by the number of refrigeration lines of a condenser and the reliability of a compressor can be improved. CONSTITUTION: As a condenser of a refr...
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JP05229333 |
PURPOSE: To improve the extent of air-conditioning capacity without reversing a flow of refrigerant separately at the time of heating and cooling operations. CONSTITUTION: An air-conditioning device is provided with a cab outside heat ex...
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JP05223371 |
PURPOSE: To prevent the flow of a refrigerant from being arrested owing to forced operation of an air cooling condenser fan when the outside air is low in a freezing apparatus where a water cooling condenser is disposed downstream the ai...
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JP05178078 |
PURPOSE: To restrain the rise of the refrigerant discharge temperature of a refrigerant compressor and make small the capacity of a refrigerant container that stores a surplus refrigerant, in an air conditioner that conducts at least one...
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JP05172429 |
PURPOSE: To prevent a lack of refrigerant from occurrence under a refrigerating cycle in operation in an air conditioner having a plurality of outdoor heat exchangers in the case that a certain number of outdoor heat exchangers are not u...
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JP05164420 |
PURPOSE: To operate a refrigerator always efficiently and stably by adding another air-cooled condenser between the discharge side of a compressor and air-cooled condenser in an outdoor installation type refrigerator that incorporates a ...
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JP05164447 |
PURPOSE: To lower condensation capacity, to increase high pressure and to augment the quantity of a refrigerant circulated when high pressure reaches a fixed value or less by closing a solenoid valve when the detecting pressure of a pres...
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JP05149640 |
PURPOSE: To prevent heating capacity from being reduced as a result of an amount of refrigerant gas flowing from a compressor to the heat-exchanger on the indoor side of a remote indoor machine being decreased when all indoor units perfo...
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JP05149645 |
PURPOSE: To prevent lowering of heating capacity by a method wherein, in cooling and heating operation, quantities of gas refrigerants delivered from a compressor flow to a heat-exchanger on the outdoor side and a distribution amount to ...
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JP05149648 |
PURPOSE: To delicately change capacity of an indoor unit according to the fluctuation of a cooling load. CONSTITUTION: A plurality of heat-exchangers 3A and 3B on the outdoor side are arranged in an outdoor unit O and by opening and clos...
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JP05099522 |
PURPOSE: To provide a thin type casing and decrease the number of component parts while keeping a degree of over-cooling of a water-cooled condensor for a freezer device. CONSTITUTION: A refrigerant circuit of a freezer device is provide...
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JP05066071 |
PURPOSE: To enable effecting rapid freezing by providing a bypass line and a rapid-freeze switch, the former connecting the liquid phase refrigerant in a gas-liquid separator to the outlet of a second condenser positioned at an upstream ...
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JP05034028 |
PURPOSE: To provide a freezer capable of performing easy and efficient separation of oil component in refrigerant which is difficult in prior art. CONSTITUTION: A freezer is comprised of a first condensor 3 for condensing gaseous refrige...
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JP05018639 |
PURPOSE: To reduce the number of pipings installed astride a boundary between a heat-exchange chamber and a machine room and to reduce the number components. CONSTITUTION: A compressor 30, a main condenser 31, an auxiliary condenser 33, ...
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JP05018620 |
PURPOSE: To reduce the number of the pipings that span a heat exchange chamber and machine room and reduce the number of the parts and, at the same time, reduce the amount of piping work. CONSTITUTION: In a refrigerator unit a compressor...
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JP05005566 |
PURPOSE: To eliminate noise incurred by a by-pass of refrigerant during an attempt to avoid any excess load and enhance the efficiency of assembling work and reduce manu-facturing cost based on the simplification of a refrigerant circuit...
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JP04332371 |
PURPOSE: To obtain a cooling case, capable of utilizing the waste heat of a condenser for the assistant heat source of heating in winter and, on the other hand, capable of discharging the waste heat of another condenser to the outside of...
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JP04283360 |
PURPOSE: To efficiently return oil to a compressor by separating oil in refrigerant gas discharged from the compressor in a refrigerator. CONSTITUTION: In a refrigerator, a condenser 2 is formed of a first condenser 21 and a second conde...
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JP04268165 |
PURPOSE: To provide a double-stage compression and freezing cycle device capable of performing a simultaneous operation and getting a superior cycle efficiency to be used in a cooling or a heating or a hot water feeding device or the lik...
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JP04222351 |
PURPOSE: To procure liquid injection volume by a method wherein at the time of rising of discharge tube temperature, liquid refrigerant is introduced from auxiliary heat exchanger side of an outdoor heat exchanger into a liquid tube to r...
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JP04214153 |
PURPOSE: To secure sure operation and prevent the deterioration of a capacity when an evaporator and a condenser are operated by two-phase refrigerant of gas and liquid in a mixed cooling and heating type refrigerating cycle device. CONS...
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JP04203767 |
PURPOSE: To perform a heat exchanging operation with discharged gas cooled by a radiator at a compressor by itself, decrease a temperature of the compressor and also to decrease a temperature of the discharged gas itself by a method wher...
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JP04187930 |
PURPOSE: To make it possible to carry out the optimum system operation based on each horsepower by changing setting values including not only open air temperature, pipe length but also operation horsepower. CONSTITUTION: Both remote cont...
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JP04174260 |
PURPOSE: To eliminate operating malfunction of a refrigerator by providing to align a bypass pipeline at a main pipeline, and providing a refrigerant switching valve at a coupling part of the main pipeline to the bypass pipeline. CONSTIT...
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JP04165267 |
PURPOSE: To operate the control of room temperature and the control of the degree of supercooling rapidly by a method wherein the discharge pressure of a compressor is detected, a saturated steam temperature is calculated, the outlet of ...
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JP04113169 |
PURPOSE: To provide a freezing cycle device capable of getting a high degree of sub cooling by a method wherein a liquid refrigerant of high pressure and high boiling rich state is sub cooled by a low boiling rich refrigerant of which pr...
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JP04113168 |
PURPOSE: To perform an energy saving by a method wherein thermal medium compressed to a low temperature and low pressure is discharged from one discharging pipe of one compressor and another thermal medium compressed to a high temperatur...
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JP04110574 |
PURPOSE: To increase a temperature difference between fluid having cold heat and another fluid having hot heat and provide an effective utilization of both heats by a method wherein a high temperature passage passing through the first he...
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JP04092714 |
PURPOSE: To produce an enough cooling effect even when a refrigerant filling amount is low by bisecting a condenser, condensing a refrigerant compressed by a compressor, into first and second condensers, and disposing the two condensers ...
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JP04064879 |
PURPOSE: To make the heat transfer area of a condensor variable and permit the control of the capacity of heat dissipating amount by providing a refrigerant flow amount control means in a piping means connected in parallel to headers opp...
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JP04060349 |
PURPOSE: To eliminate refrigerant noise when an operation is started and further to reduce a driving force for a two-way valve by a method wherein opening or closing valves are arranged at a liquid side connecting pipe and a gas side con...
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JP04006372 |
PURPOSE: To permit the cooling operation or the heating operation of each indoor machines selectively and simultaneously by a method wherein the amount of ventilation of a heat source machine side fan, solenoid opening and closing valves...
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JP04006351 |
PURPOSE: To reduce the rotating speed of a fan by an amount corresponding to a decrease in the liquid outlet temperature even when a seasonal wind passes through only one of air-side heat exchangers resulting in a decrease in the liquid ...
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JP03294754 |
PURPOSE: To perform concurrent condensing operations at different condensing temperatures and to improve a heat dissipating efficiency by connecting first, second compressors in series with first, second conduits, connecting a pressure r...
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JP03294752 |
PURPOSE: To eliminate a capacity unbalance even if high and low difference exists between installing positions by increasing the resistance of a refrigerant passage of an indoor unit disposed at a high position larger than that of the pa...
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JP03286935 |
PURPOSE: To continue to operate the air-conditioner and to obtain air-conditioning comfortable in that state, by a method wherein the waterlevel of water collected under a water-spraying device is detected by a waterlevel-detecting means...
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JP03282137 |
PURPOSE: To enhance the heat-exchanging efficiency and prevent corrosion of fins constituting a heat exchanger by a construction wherein an air cooling type heat exchanger communicates with the discharge side of a compressor constituting...
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JP03282133 |
PURPOSE: To enable a water supply hose to be stored in a main body and contrive higher handleability, by providing a hosefitting part formed in a recessed form along a peripheral surface of a water tank in a portable main body, and a wat...
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JP03282136 |
PURPOSE: To uniformize air volume over the entire sectional area of an outlet even where fan diameter is much smaller than the horizontal size of the outlet, by a construction wherein the vertical size of an outlet of a casing is smaller...
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JP03282135 |
PURPOSE: To obtain an assured sprinkling action free of suction of air, by providing a rib for suppressing waves generated on a liquid surface concurrently with sprinkling, which rib is erected on a bottom part of a water pan of a sprink...
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JP03282134 |
PURPOSE: To facilitate storing a drain hose, contrive higher workability in draining and reduce the number of component parts, by providing a drain hose-storing part integral with a wall of a portable main body so that a tip part of the ...
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JP03255857 |
PURPOSE: To provide a room air conditioner capable of blowing out high temperature air hotter than the condensation temperature in a condenser by thermally dividing a condenser-heat exchanger into an upper air stream side heat exchanger ...
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JP03251662 |
PURPOSE: To enable operation at a high energy efficiency, by arranging a heat exchanging conduit which is located below a vessel and always submerged into a liquid phase refrigerant with an inlet thereof linked to an outlet of a second c...
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JP03211361 |
PURPOSE: To improve hot water supply efficiency, reduce equipment costs and avoid mechanical troubles by arranging a refrigerant piping, a refrigerant circuit and a hot water piping. CONSTITUTION: High-temperature and high-pressure refri...
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JP03191260 |
PURPOSE: To provide an air conditioning apparatus which enables provision of high capacity utilizing accumulated cold heat as an amount of consumed power is reduced by providing a conveying device to convey a liquid refrigerant on the li...
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JP03177738 |
PURPOSE: To increase the rise speed of heating operation and to enable regulation of a room temperature to a desired value during steady operation by a refrigerant is fed to an indoor heat exchanger and a floor heating panel independentl...
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JP03148569 |
PURPOSE: To obtain 2-stage compression room cooling, heating and hot-water supplying system, energy saving in operation and convenient in handling, by a method wherein compressors are operated in parallel for big room heating or cooling ...
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