CN107036318A - Refrigerating circulatory device - Google Patents
Refrigerating circulatory device Download PDFInfo
- Publication number
- CN107036318A CN107036318A CN201710046404.8A CN201710046404A CN107036318A CN 107036318 A CN107036318 A CN 107036318A CN 201710046404 A CN201710046404 A CN 201710046404A CN 107036318 A CN107036318 A CN 107036318A
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- CN
- China
- Prior art keywords
- refrigerant
- air
- refrigerating circulatory
- circulatory device
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/04—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
- F25B43/043—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases for compression type systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
- Compressor (AREA)
Abstract
The problem of the present invention is in the case of difluoromethane (HFC32) has been used as refrigerant in refrigerating circulatory device, effectively to adjust the amount of the air in the refrigerant.It is a feature of the present invention that, it will enclose as the difluoromethane (HFC32) of refrigerant (100) possessing and contain the DBPC (2 as phenols as antioxidant, 6- BHTs) the compressor (1) of refrigerator oil, condenser (2), expansion mechanism (3), evaporator (4) connected and made with pipe arrangement in the refrigerating circulatory device (1000) of refrigerant loop that refrigerant (100) circulates, the amount (pressure) of contained air is in below 20kPa in refrigerant (100).
Description
The application is thenational phase application number 201410379967.5,2014 applyings date August 4 days, entitled " system
The divisional application of the application of SAPMAC method device and conditioner ".
Technical field
Kind of refrigeration cycle (the heat used the present invention relates to one kind in conditioner (air-conditioning etc.), hot-water supply etc.
Pump circulation) device.
Background technology
In general, the kind of refrigeration cycle of kind of refrigeration cycle is make use of in conditioner, refrigerating plant, hot-water supply etc.
In device, compressor, condenser (heat exchanger), expansion valve and evaporator (heat exchanger) are connected with pipe arrangement, so that constituting makes
The refrigerant loop of the refrigerant circulation of filling.Moreover, the refrigerant being compressed by the compressor turns into the gas refrigeration of HTHP
Agent, is fed through condenser.The refrigerant for flowing into condenser releases heat by the heat exchange with heat exchange object (air etc.)
So as to liquefy.Refrigerant after liquefaction is depressurized by expansion valve and turns into gas-liquid two-phase flow state, and is passed through in evaporator
Heat exchange absorbs heat and gas (gas) is changed, and again returns to compressor and is circulated.
Here, in the refrigerant of refrigerant loop is circulated in, there is large number of kind according to purposes, physical property
Class, wherein there is also the refrigerant for including the chemical substance that can be impacted to global warming.Moreover, from preventing global warming
Viewpoint is set out, and preferably utilizes global warming coefficient (GWP) refrigerant as small as possible.It should be noted that global warming system
Number refers to, causes the degree of global warming and the degree of carbon dioxide for the material as greenhouse gases as expression
The ratio between numerical value, the coefficient determined based on the opinion of International Certification.
As refrigerant, according to the thermophysical property being equal of the HFC134a with being widely used all the time and low
The reasons why GWP, hypotoxicity, low combustible etc., by 2,3,3,3- tetrafluoropropenes (HFO1234yf (Hydrofluoroolefine)
(GWP=4), 1, the separate refrigeration of 3,3,3- tetrafluoropropenes (HFO1234ze) (GWP=10) or difluoromethane (HFC32)
Agent or these mix refrigerant are set to candidate's refrigerant.Moreover, as with 2, the refrigerant of 3,3,3- tetrafluoropropenes mixing,
Mainly difluoromethane (HFC32).Also, according to the GWP allowed for low combustible benchmark, it is also contemplated that mixing
HFC134a、HFC125。
As other refrigerants, the hydrocarbon such as propane, propylene and fluoroethane (HFC161), Difluoroethane can be enumerated
(HFC152a) the low GWP HFC such as.In these candidate's refrigerants, if it is considered that combustibility, cooling and warming ability, base
Reduced, using easness, refrigerant cost and based on the system in the device efficiency of mixed non-azeotropic refrigerant thermograde
Change (exploitation) of the equipment of cryogen physical property etc., then difluoromethane (HFC32) is optimal, is badly in need of exploitation and uses this refrigerant
Room conditioning, assembled air-conditioner.
In the case where using difluoromethane (HFC32) as refrigerant, it is necessary to will be included and system with Shangdi to a certain degree
The air for the oxygen that cryogen, refrigerator oil (lubricating oil used in compressor) react is excluded from refrigerant loop.This
It is due to that, when oxygen is more in refrigerant loop, refrigerant, refrigerator oil will be deteriorated, and cause refrigerating circulatory device
Performance and reliability reduction.
For example, in refrigerating circulatory device, DBPC has been used even with refrigerator oil and as antioxidant, but
When more there are air (oxygen) in refrigerant loop, reacting and after exhausting, starting in DBPC and oxygen
The oxidation (peroxide value rising) of refrigerator oil, so as to be reduced as the performance of the lubricating oil of refrigerator oil.It should be noted that
In this case, because DBPC and oxygen react and generate substance that show color as stilbene quinone, thus it is logical
The color and luster for crossing visual confirmation refrigerator oil deteriorates and is changing into brown, so as to the progress for the oxidation for recognizing refrigerator oil.
In addition, difluoromethane refrigerant is compared with other refrigerants, the pressure caused by compressor under the same conditions
Temperature during contracting rises larger.The reaction for being additionally, since the more high then refrigerator oil of temperature and oxygen is faster, therefore is using difluoro
In the case of methane refrigerant, when oxygen is more in refrigerant loop, the deterioration of refrigerator oil can be caused quickly.
Thus, for example in the technology of patent document 1, can using the air adsorption mechanism possessed in refrigerant loop
Air in Adsorption refrigerant loop.
Citation
Patent document
Patent document 1：International Publication No. 2009/157325
The invention problem to be solved
However, in the technology of patent document 1, due to must specially set air adsorption mechanism in refrigerant loop,
Therefore correspondingly expense, man-hour.Further, since the amount and refrigerating circulatory device of air (oxygen) in refrigerant
Quantitative dependency relation between performance reduction is indefinite, and refrigerant is not known from the viewpoint of the performance of refrigerating circulatory device
In permissible air (oxygen) amount it is critical, therefore can not effectively adjust the amount of the air (oxygen) in refrigerant.
The content of the invention
Therefore, the present invention makes in light of this situation, and its problem is to work as in refrigerating circulatory device, is used as system
Cryogen and in the case of having used difluoromethane (HFC32), can effectively adjust the amount of the air in the refrigerant.
Method for solving problem
In order to solve the problem, it is a feature of the present invention that the refrigerating circulatory device possess by compressor, condenser,
Expansion mechanism, evaporator are connected with pipe arrangement and supply the refrigerant loop of refrigerant circulation, and the compressor possesses with sliding part
Refrigerant compression portion, and enclosed difluoromethane, the i.e. HFC32 as the refrigerant and contained as antioxidant
As the refrigerator oil of the DBPC of phenols, i.e. BHT, the condenser makes the refrigeration by heat exchange
Agent is condensed, and the expansion mechanism is depressurized the condensed refrigerant expansion, and the evaporator is by making after decompression
Exchanged heat between the refrigerant and heat exchange object and evaporate the refrigerant, contained air in the refrigerant
It is below 20kPa to measure (pressure).
In addition structure is seen below.
Invention effect
According to the present invention, when in refrigerating circulatory device, difluoromethane (HFC32) situation has been used as refrigerant
Under, it can effectively adjust the amount of the air in the refrigerant.
Brief description of the drawings
Fig. 1 is the skeleton diagram for the structure for representing the refrigerating circulatory device involved by present embodiment.
Fig. 2 is the sectional view for the structure for representing the scroll compressor involved by present embodiment.
Fig. 3 is between representing air capacity in the refrigerant involved by present embodiment, antioxidant amounting, acid number each
The figure of relation.
Fig. 4 is the skeleton diagram for the structure for representing the room conditioning involved by present embodiment.
Description of reference numerals
1 compressor
2 condensers
3 expansion mechanisms
4 evaporators
5 four-way valves
6 fixed scroll members
7 end plates
8 swirl shape roll bendings
9 convolution scroll elements
10 roll bendings
11 bent axles
12 discharge chambes
13 ejiction openings
14 frameworks
15 pressure vessels
16 suction lines
17 electro-motors
18 sliding bearings
19 oilholes
20 store oil portion
21 bleed pipes
1000 refrigerating circulatory devices
1000A room conditionings
1000a indoor sets
1000b outdoor units
Embodiment
Hereinafter, the mode (hereinafter referred to as " embodiment ") for implementing the present invention is explained with reference to appropriate accompanying drawing.
It should be noted that in the various figures, marking identical symbol to identical structure, and suitably omit repeat specification.
(structure of refrigerating circulatory device)
First, reference picture 1 illustrates the structure of the refrigerating circulatory device 1000 of present embodiment.In refrigerating circulatory device
In 1000, by compressor 1, condenser 2 (heat exchanger), expansion mechanism 3, evaporator 4 (heat exchanger), with pipe arrangement connection, constituting makes
The refrigerant loop that refrigerant 100 is circulated.Difluoromethane (HFC32) is used as refrigerant 100.
Compressor 1 possesses the refrigerant compression portion with sliding part, and has enclosed the difluoromethane as refrigerant 100
And refrigerator oil (HFC32).Refrigerator oil is polyol ester machine oil.Because polyol ester machine oil with moisture in the case where coexisting
There is a possibility that to produce because deteriorating (generation oxygen) caused by hydrolysis or remaining air in kind of refrigeration cycle, it is therefore desirable for
The cooperation of antioxidant.The DBPC (BHT) as phenols is used as antioxidant.On compression
The detailed construction of machine 1 uses the aftermentioned explanations of Fig. 2.
Condenser 2 condenses refrigerant 100 by being exchanged heat between heat exchange object (air).
Expansion mechanism 3 makes to be depressurized by the condensed expansion of refrigerant 100 of condenser 2.
Evaporator 4 between the refrigerant 100 after decompression and heat exchange object (air) by being exchanged heat, so that should
Refrigerant 100 evaporates.
(structure of scroll compressor)
Next, reference picture 2 illustrates the structure of scroll compressor 1.Compressor 1 includes：With being vertically disposed at
The fixed scroll member 6 of the swirl shape roll bending 8 of end plate 7, with the roll bending 10 with substantially the same shape of fixed scroll member 6
Convolution scroll element 9, to convolution scroll element 9 supported framework 14, make the bent axle of the circumnutation of convolution scroll element 9
11st, electro-motor 17, the pressure vessel 15 of built-in above-mentioned part.Swirl shape roll bending 8 and roll bending 10 are opposite each other and engage, so that
Form compression mechanical part.
Refrigerant is inhaled into from suction line 16.When the scroll element 9 that circles round carries out circumnutation by bent axle 11, solid
Between determine vortex part 6 and convolution scroll element 9 in the discharge chambe 12 that is formed, positioned at outermost discharge chambe 12 with convolution
Motion and volume is gradually reduced, and towards fixed scroll member 6 and circle round scroll element 9 central part gradually move.Work as compression
When room 12 is reached near the central part of fixed scroll member 6 and the scroll element 9 that circles round, discharge chambe 12 is connected with ejiction opening 13, pressure
Outside ejection of the compressed gas of the inside of contracting room 12 from bleed pipe 21 to compressor 1.
In compressor 1, bent axle 11 is with constant speed or relative with the a-c cycle by inverter control (not shown)
The rotating speed rotation answered, is compressed action.In addition, being provided with storage oil portion 20 in the lower section of electro-motor 17, the machine in oil portion 20 is stored
Oily (refrigerator oil) is disposed through the oilhole 19 of bent axle 11 by pressure differential, for carrying out convolution scroll element 9 and bent axle 11
Sliding part, sliding bearing 18 etc. lubrication.
It should be noted that in compressor 1, including sliding part, relevant with the compression of refrigerant 100 part it is suitable
" the refrigerant compression portion with sliding part " in claim.
(air capacity, antioxidant amounting, acid number in refrigerant each between relation)
Next, reference picture 3 illustrates the air capacity in refrigerant 100 (pressure of air), antioxidant amounting, acid number
Relation between (the mg numbers of the potassium hydroxide needed for free fatty present in neutralization 1g greases) is respective.Need explanation
It is that Fig. 3 is to represent the figure based on the result tested as follows, and the experiment is, in refrigerating circulatory device 1000, being used as system
Cryogen 100 uses polyol ester machine oil, in addition, being used as the polyol ester machine using difluoromethane (HFC32) as refrigerator oil
The antioxidant of oil uses the situation of the DBPC (BHT) as phenols, for 6 kinds of air capacities respectively with
The experiment that stipulated time (oxygen in refrigerant completes the sufficient time needed for each reaction) is carried out.
It should be noted that due to when the antioxidant being mixed into refrigerator oil is excessive the conduct of refrigeration machine can moisten
The performance reduction of lubricating oil, therefore the amount (ratio) of input there is essentially the upper limit, be tested with the amount for approaching the upper limit.
In addition, the air capacity existed in refrigerant 100 is measured using common gas chromatography.
In addition, acid number is being measured after the stipulated time by the method for JIS K2501 defineds.
As shown in Figure 3, it is known that have in the antioxidant amounting (L1) measured after the stipulated time with refrigeration
Air capacity increase in agent 100 and the trend of reduction, particularly, air capacity in refrigerant 100 for 20kPa (about
150torr) nearby drastically reduce.
In addition, understand that air capacity of the acid number in refrigerant 100 is constant between 0~about 18kPa, but from refrigerant
Air capacity in 100 sharply increases to be risen near 20kPa with the increase of air capacity.
Reduction (rising with this associated peroxide value), the increase of acid number of antioxidant amounting mean the bad of refrigerator oil
Change.Therefore, it is known that the air capacity in refrigerant 100 is suppressed in below 20kPa, is to have in terms of the deterioration for preventing refrigerator oil
Effect.Thus, for example, being set in the circulating cycle with by the mechanism for adsorbing, separating air to be reduced as far as in refrigerant 100
The technology of the patent document 1 of this thought of air capacity is compared, and according to the present invention, the air capacity in refrigerant 100 is set as
Below 20kPa such as 15kPa, can effectively adjust the air capacity in refrigerant 100.
That is, in accordance with the invention it is possible to avoid vacuumizing required unnecessary expense, man-hour such as unnecessary.Taking out
In vacuum, according to use device, the time is wanted, air capacity can be reduced to about 0.1kPa (0.75torr), is spent therewith
Corresponding expense, man-hour.According to the present invention, the limit need not be evacuated to due to known, therefore air capacity is evacuated to
Below 20kPa such as 15kPa, so as to effectively adjust the air capacity in refrigerant 100.
(application to room conditioning)
The refrigerating circulatory device of the present invention can for example be applied to carry out the room conditioning of the cooling and warming of object space.Ginseng
Illustrate the structure for applying the room conditioning 1000A of the present invention according to Fig. 4.
As shown in figure 4, room conditioning 1000A is configured to possess indoor set 1000a and outdoor unit 1000b.Machine indoors
Evaporator 4 (heat exchanger) is built-in with 1000a.In addition, being built-in with compressor 1, four-way valve 5, condenser in outdoor unit 1000b
2 (heat exchangers) and expansion mechanism 3.Compressor 1 possesses the refrigerant compression portion with sliding part as described above.
In the case where freezing to indoor (object space), the HTHP compressed by the thermal insulation of compressor 1
Refrigerant 100 is cooled by bleed pipe 21 (reference picture 2) and four-way valve 5 in condenser 2, the liquid refrigeration as high pressure
Agent.The liquid refrigerant is expanded by expansion mechanism 3 (such as capillary, temperature-type expansion valve), as slightly containing gas
Low temperature and low pressure liquid and reach evaporator 4, obtain heat with the state of cryogenic gas again by four-way from indoor air
Valve 5 and reach compressor 1.
In the case where being heated to indoor (object space), the flow direction of refrigerant 100 is changed into by four-way valve 5
Opposite direction, so as to play adverse effect.Scroll compressor has been used as compressor 1.
So, according to the refrigerating circulatory device 1000 of present embodiment, by by the air capacity (air in refrigerant 100
Pressure) be set to below 20kPa, the deterioration of refrigerator oil can be effectively prevented, so as to maintain kind of refrigeration cycle for a long time
The performance of device 1000, it can be ensured that reliability.It should be noted that due in the present embodiment as refrigerant 100
The difluoromethane (HFC32) used is as described above compared with other refrigerants, caused by compressor under the same conditions
Temperature rising during compression is larger, therefore is preventing the freezing with the more high easier this characteristic that reacted with oxygen of temperature
In the viewpoint of the deterioration of machine oil, the present invention is highly effective.
Further, since having used polyol ester machine oil as refrigerator oil, the cooperation of antioxidant is expected, as anti-oxidant
Agent has used DBPC (BHT), passes through the experiment of present embodiment, in this case, Neng Gouyou
Prevent the deterioration of refrigerator oil to effect.
Finish description of the present embodiment in summary, but the mode of the present invention is not limited to this.
For example, the refrigerating circulatory device of the present invention can also be applied to any of industrial device and devices for home use
Device.
In addition, the object exchanged heat in condenser, expansion mechanism, i.e. heat exchange object can not be air, but example
Other materials such as the solids such as gas, water liquid, soil beyond such as air.
In addition, for concrete structure, can suitably it change without departing from the spirit and scope of the invention.
Claims (3)
1. a kind of refrigerating circulatory device, it is characterised in that
The refrigerating circulatory device possesses the refrigerant that compressor, condenser, expansion mechanism, evaporator are connected and constituted and returned
Road,
The compressor possesses the refrigerant compression portion with sliding part,
Contain difluoromethane and air in the refrigerant loop,
The amount of air contained by the refrigerant loop is set to, the refrigeration in the state of the difluoromethane is not contained
Pressure in agent loop is below 20kPa.
2. refrigerating circulatory device according to claim 1, it is characterised in that
The amount of air contained by the refrigerant loop is set to, the refrigeration in the state of the difluoromethane is not contained
Pressure in agent loop is the value higher than 0.1kPa.
3. refrigerating circulatory device according to claim 1 or 2, it is characterised in that
Contain refrigerator oil as antioxidant in the refrigerant loop, the refrigerator oil includes and is used as phenols
DBPC, i.e. BHT,
The refrigerator oil is polyol ester machine oil.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-219785 | 2013-10-23 | ||
| JP2013219785A JP2015081726A (en) | 2013-10-23 | 2013-10-23 | Refrigeration cycle device and air conditioner |
| CN201410379967.5A CN104567139A (en) | 2013-10-23 | 2014-08-04 | Cooling circulation device and air conditioning device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410379967.5A Division CN104567139A (en) | 2013-10-23 | 2014-08-04 | Cooling circulation device and air conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036318A true CN107036318A (en) | 2017-08-11 |
Family
ID=53012421
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710046404.8A Pending CN107036318A (en) | 2013-10-23 | 2014-08-04 | Refrigerating circulatory device |
| CN201410379967.5A Pending CN104567139A (en) | 2013-10-23 | 2014-08-04 | Cooling circulation device and air conditioning device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410379967.5A Pending CN104567139A (en) | 2013-10-23 | 2014-08-04 | Cooling circulation device and air conditioning device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2015081726A (en) |
| CN (2) | CN107036318A (en) |
| IN (1) | IN2014DE02312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440487A (en) * | 2019-07-29 | 2019-11-12 | 黄石东贝电器股份有限公司 | A kind of method of residual air in removal refrigeration system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4332466A4 (en) * | 2021-04-27 | 2024-05-29 | Mitsubishi Electric Corp | Air conditioning device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185543A (en) * | 1996-09-30 | 1998-06-24 | 三洋电机株式会社 | Refrigrant compressor and cooling device carried with said compressor |
| CN1187603A (en) * | 1996-11-28 | 1998-07-15 | 三洋电机株式会社 | Refrigerator |
| JP2005248773A (en) * | 2004-03-03 | 2005-09-15 | Hitachi Home & Life Solutions Inc | Refrigerating device and refrigerant compressor |
| CN102971591A (en) * | 2010-07-02 | 2013-03-13 | 松下电器产业株式会社 | Compressor and refrigeration cycle device using same |
| CN103097733A (en) * | 2010-09-07 | 2013-05-08 | 松下电器产业株式会社 | Compressor and refrigeration cycle device using same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020148A (en) * | 1983-07-15 | 1985-02-01 | Mitsubishi Heavy Ind Ltd | Method for preventing oxidation deterioration of refrigerating compressor oil |
| JPH0828474A (en) * | 1994-07-15 | 1996-01-30 | Sanyo Electric Co Ltd | Refrigerant compressor |
| JP5241263B2 (en) * | 2008-02-15 | 2013-07-17 | 出光興産株式会社 | Lubricating oil composition for refrigerator |
| JP2009222033A (en) * | 2008-03-18 | 2009-10-01 | Daikin Ind Ltd | Refrigerating apparatus |
| JP2012097638A (en) * | 2010-11-01 | 2012-05-24 | Daikin Industries Ltd | Compressor and refrigerating apparatus |
| CN105907376B (en) * | 2010-12-20 | 2019-12-13 | 日立江森自控空调有限公司 | compressor for refrigeration and air-conditioning and refrigeration and air-conditioning device |
| KR20160099118A (en) * | 2012-10-31 | 2016-08-19 | 다이킨 고교 가부시키가이샤 | Refrigeration device |
-
2013
- 2013-10-23 JP JP2013219785A patent/JP2015081726A/en active Pending
-
2014
- 2014-08-04 CN CN201710046404.8A patent/CN107036318A/en active Pending
- 2014-08-04 CN CN201410379967.5A patent/CN104567139A/en active Pending
- 2014-08-13 IN IN2312DE2014 patent/IN2014DE02312A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185543A (en) * | 1996-09-30 | 1998-06-24 | 三洋电机株式会社 | Refrigrant compressor and cooling device carried with said compressor |
| CN1187603A (en) * | 1996-11-28 | 1998-07-15 | 三洋电机株式会社 | Refrigerator |
| JP2005248773A (en) * | 2004-03-03 | 2005-09-15 | Hitachi Home & Life Solutions Inc | Refrigerating device and refrigerant compressor |
| CN102971591A (en) * | 2010-07-02 | 2013-03-13 | 松下电器产业株式会社 | Compressor and refrigeration cycle device using same |
| CN103097733A (en) * | 2010-09-07 | 2013-05-08 | 松下电器产业株式会社 | Compressor and refrigeration cycle device using same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440487A (en) * | 2019-07-29 | 2019-11-12 | 黄石东贝电器股份有限公司 | A kind of method of residual air in removal refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104567139A (en) | 2015-04-29 |
| JP2015081726A (en) | 2015-04-27 |
| IN2014DE02312A (en) | 2015-06-26 |
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