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JP09170827 |
To reduce the range of the operating condition for reducing the operation coefficient. A closed refrigerating system comprises a compressor 12, an oil separator 14, a normally closed valve 16, a condenser 18, economizer means 20, an evap...
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JP09158834 |
To improve safety when an oil in a refrigerator is drained, and also to increase the freedom degree of a compressor arranging layout by connecting an oil feeding and draining piping which consist of a copper pipe and a check joint to an ...
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JP09158838 |
To prevent the production of fire even if combustible refrigerant is leaked from a pin hole generated in a hermetic compressor, and ensure safety by setting the welding part of a sealed container of the hermetic compressor to a part form...
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JP2653334 |
PURPOSE: To provide a compression type freezer machine in which either moisture or chlorine mixed in lubricant oil is removed and alternative refrigerant can be used. CONSTITUTION: A compression type freezer machine is comprised of an ev...
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JP09131001 |
To prevent the abnormal change in size of a gap between a stator and a rotor caused by the deformation of the stator of a motor. In a sealed container 1, the stator 21 of a motor 2 is fastened and fixed to a compressor mechanism part 3 w...
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JP09126171 |
To enhance the assemblability and the compression efficiency. An expansion mechanism part 9 is assembled with reference to a first rotary shaft 19 while a compression mechanism part 11 is assembled with reference to a second rotary shaft...
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JP2643104 |
To effectively remove a lubricating oil in a CFC-based cooling system in order to change the CFC refrigerant into an HFC refrigerant not depletive to the ozonosphere by repeating an operation comprising adding a specified flushing oil to...
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JP2637944 |
To provide a control circuit which is modified to control the operating temperature of a motor in an air conditioning compressor. A fuzzy logic control circuit is used to change a coolant/liquid injection ratio for cooling a motor 20 of ...
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JP09100787 |
To automatically stop liquid filling with a compressor is stopped and on the other hand, enable filling of a liquid in the center side enclosed space with high cooling effect in a scroll compressor adapted to cool a working fluid by fill...
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JP09100370 |
To obtain an insulating film which is used for a motor of a refrigerator compressor using a fluorocarbon substitute and a refrigerator oil suitable for the substitute and which is resistant to the substitute and to the oil and has a func...
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JP09089397 |
To realize a cooling and heating combination apparatus having a high reliability by assuring the lubricant of a compressor by reducing the discharging amount of the lubricant from an outdoor unit due to the overflow of the lubricant from...
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JP09089396 |
To realize a cooling and heating combination apparatus having a high reliability by assuring the lubricant of a compressor by reducing the discharging amount of the lubricant from an outdoor unit due to the overflow of the lubricant from...
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JP09088889 |
To improve the heat exchanging efficiency by arranging a blower consisting of an axial flow fan composed of an impeller in which a plurality of blades of prescribed shape are provided around a hub and an orifice ring provided on the oute...
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JP09061008 |
To make it possible to reduce the size of a unit in depth and make the unit as a whole compact in terms of the floor space occupied thereby by arranging on a frame placed above a pressure vessel of a heat exchanger or liquid receiver a p...
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JP2614702 |
PURPOSE: To increase the efficiency of a refrigerating system by more effectively utilizing an economizer gas according to operating conditions. CONSTITUTION: This refrigeration system 100 has a compressor and a motor 13 on the low stage...
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JP09053590 |
To downsize and lighten an expansion machine by enabling the operational start of the machine without using an auxiliary motor. A rolling piston type expansion machine is provided with a cylinder 13 that has been arranged inside a closed...
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JP09033120 |
To provide a refrigerating device, reduced in the generation of waste and capable of reducing a resistance in a refrigerant circuit while equipped with a dryer. In a refrigerating device, a compressor 1 is equipped with a circulating cir...
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JP09014161 |
To prevent the contraflow of refrigerant and the reverse turn of a scroll at the time of stop action of a scroll compressor. A check valve 116 disposed in an intake chamber, adjacently to an intake port opening 104 has rapid responsivene...
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JP08334247 |
PURPOSE: To prevent penetration of water into a terminal cover without using a waterproof member for a part corresponding to a stud bolt and a nut of the terminal cover. CONSTITUTION: A terminal cover 1 covering terminal parts 10 and 11 ...
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JP08303814 |
PURPOSE: To provide an air conditioner having a new condensation preventing device, capable of achieving the prevention of condensation through a simple constitution, in which heat insulating material for a refrigerant suction pipe is ab...
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JP08285437 |
PURPOSE: To reduce dangerousness that an HC refrigerant catches fire, by setting a compressor in a machine chamber provided at an upper part on a rear face of a heat insulation casing and setting a duct for diffusion/heat. radiation abov...
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JP08284857 |
PURPOSE: To perform the lubrication of a contact part between a roller in a cylinder chamber and a vane effectively and efficiently. CONSTITUTION: In a cylinder chamber 6a, a roller 9 is eccentrically rotated by an eccentric part of a cr...
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JP08271024 |
PURPOSE: To provide an air conditioner in which a further miniaturized outdoor device is realized, no legal restriction concerning its installing work is required to receive and a purchaser can install it by himself. CONSTITUTION: An ind...
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JP08271089 |
PURPOSE: To obtain an air conditioner which can finish defrosting operation of an outdoor heat exchanger in a short period of time. CONSTITUTION: A compressor 1 is provided with a water jacket 6 that is in close-contact with the circumfe...
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JP08261574 |
PURPOSE: To provide a freezing cycle and a compressor used in the freezing cycle in which oil in the compressor can be sufficiently assured without reducing the function of the compressor. CONSTITUTION: At a compressor 2 of freezing cycl...
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JP08247483 |
PURPOSE: To provide an air conditioner whose indoor unit is separated from an outdoor unit and which is capable of obtaining comfortable air conditioning by housing and disposing a compressor in the indoor unit to minimize the outdoor un...
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JP08240346 |
To provide a control circuit which is modified to control the operating temperature of a motor in an air conditioning compressor. A fuzzy logic control circuit is used to change a coolant/liquid injection ratio for cooling a motor 20 of ...
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JP08219594 |
PURPOSE: To enable preventing of deterioration in insulation and corrosion of metal material by providing a decomposed product trapping/adsorbing device in a circulation system of a refrigerating medium to trap and adsorb a decomposed pr...
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JP08219481 |
PURPOSE: To provide an air conditioner in which a lid member is not separated from an outer barrel part applied to a side surface of a compressor and a cost-effective sound muffling cover is installed. CONSTITUTION: A sound muffling cove...
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JP08200892 |
PURPOSE: To make uniform the amount of oil return from a gas/liquid separator to each compressor in a freezer on which a plurality of compressors are mounted. CONSTITUTION: A refrigerant introduction hole 16a in an inlet pipe 16 that con...
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JP08200851 |
PURPOSE: To effectively prevent the liquid return at the time of defrosting or returning oil. CONSTITUTION: An air conditioner has a plurality of outdoor units 2A, 2B, ...and a plurality of indoor units 3A, 3B, ... A hot gas bypass tube ...
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JP08200852 |
PURPOSE: To improve the comfortableness of air conditioning by eliminating frequent oil returning. CONSTITUTION: The refrigerator comprises a plurality of outdoor units 2A, 2B, ... and a plurality of indoor units 3A, 3B, ... A plurality ...
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JP08189732 |
PURPOSE: To ensure the oil level heights for respective compressors, and make the oil returning quantities suitable. CONSTITUTION: An oil-separator 2 is provided on a collecting pipe of the discharging pipes of respective compressors 1A,...
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JP08189710 |
PURPOSE: To improve heating capacity and effect efficient operation by giving the enthalpy of oil to an indoor heat exchanger. CONSTITUTION: A refrigerant circulating circuit 11 is constituted of a compressor 21, a four-way switching val...
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JP08159569 |
PURPOSE: To provide a freezer capable of reducing a pulsation motion of refrigerant flowing in a de-super heater circuit. CONSTITUTION: A de-super heater circuit 15 is comprised of a compressor 11 having a refrigerant discharging side 9 ...
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JP08159034 |
PURPOSE: To simply the piping structure of an air conditioner, and to reduce the size of a fluid compressor including a four-way valve. CONSTITUTION: An air conditioner comprises a case 1, the upper end side of which is air-tightly close...
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JP08152229 |
PURPOSE: To obtain an air conditioner which enables attainment of noise reduction by absorbing efficiently the noise of the air conditioner of which the frequency distribution is different according to equipment, a state of installation ...
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JP08145498 |
PURPOSE: To provide a refrigerator in which a crack of a connector for connecting a compressor to a tube can be reduced. CONSTITUTION: The refrigerator comprises a vertical rotary compressor 6, connecting tubes 15, 18, 21 fixed to the si...
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JP08136071 |
PURPOSE: To obtain a low temperature refrigerator in which safety for combustibility of refrigerant is obtained and which has power conservation and low vibration by using a sealed compressor as a scroll compressor. CONSTITUTION: A fixed...
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JP08128741 |
PURPOSE: To obtain a refrigeration system compatible to a compressor operated in a low load and necessitating no expansion of a facility substantially while permitting the restriction of rise in cost. CONSTITUTION: Oil is controlled in a...
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JP08121886 |
PURPOSE: To provide an air conditioner which can obtain the oil return of a compressor without reducing cooling capacity. CONSTITUTION: A suction side refrigerant tube 9d is formed by a first refrigerant tube 9e, a second refrigerant tub...
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JP08104896 |
To effectively remove a lubricating oil in a CFC-based cooling system in order to change the CFC refrigerant into an HFC refrigerant not depletive to the ozonosphere by repeating an operation comprising adding a specified flushing oil to...
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JP08086516 |
PURPOSE: To permit employing of new refrigerant, containing no chlorine or a cause of depletion of the ozone layer, by a method wherein a mixed refrigerant, containing at least R125 and R143, is employed as the refrigerant of a refrigera...
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JP08075322 |
PURPOSE: To provide an electrically-driven compressor equipped with a dehydrator which is enhanced in water absorbing function, prevents the formation of sludge and the escape of moisture absorbent responsible for an improper operation o...
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JP08049930 |
PURPOSE: To prevent inflow of a liquid-phase refrigerant into a compressor without fail and thereby improve the durability of the compressor. CONSTITUTION: A sub-accumulator 12 is disposed between a compressor 2 and an accumulator 10 and...
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JP08042929 |
PURPOSE: To ensure satisfactory lubrication to each slide part by improving return of freezer oil from an accumulator to a closed container. CONSTITUTION: An introduction pipe 14 for guiding a low pressure refrigerant from an accumulator...
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JP08028987 |
PURPOSE: To prevent liquid refrigerant from staying at an oil reservoir within a casing by a method wherein a phase lacked electrical energization time for a three-phase electrical motor for a compressor is reduced and a running cost is ...
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JP08005169 |
PURPOSE: To prevent the level of the refrigerating machine oil of each compressor from being extremely uneven when all of a plurality of compressors operate or even when a part of a plurality of compressors stops. CONSTITUTION: An oil re...
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JP07332773 |
PURPOSE: To provide the mounting structure of a temperature sensor provided at a compressor for an injection control to be simply mounted with a high temperature sensitivity in a semihermetic refrigerant compressor to be cooled by liquid...
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JP07332242 |
PURPOSE: To suppress absorption of a moisture content by freezer oil in a hermetic compressor body during mounting and exchange. CONSTITUTION: Openable on-off valves 8a and 8b are located in the discharge pipe 2 and the suction pipe 3 of...
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