CN110081625A - Whole centrifugal refrierator - Google Patents
Whole centrifugal refrierator Download PDFInfo
- Publication number
- CN110081625A CN110081625A CN201910518774.6A CN201910518774A CN110081625A CN 110081625 A CN110081625 A CN 110081625A CN 201910518774 A CN201910518774 A CN 201910518774A CN 110081625 A CN110081625 A CN 110081625A
- Authority
- CN
- China
- Prior art keywords
- impeller
- intake duct
- air intake
- inner disc
- top cover
- 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
Links
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
- 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
- F25B1/053—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Whole centrifugal refrierator includes shell, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, expansion throttling device, evaporator, it is characterized in that, impeller is mounted between top cover and inner disc, form impeller passage and diffuser passage, it is diffusion chamber between chassis and inner disc, refrigerant enters diffusion chamber after impeller and diffuser speedup, pressurization, from inner disc outer edge, converts pressure energy for the kinetic energy of refrigerant.The transmission shaft of impeller is connected to motor across top cover, inner disc bottom air entry and air intake duct airtight connection, top cover and chassis airtight connection.Condenser, expansion throttling device, evaporator are fastened around around air intake duct, and condenser air inlet is connect with tray bottom gas outlet, and are connect with expansion throttling device, evaporator, air intake duct, and circulation canal is formed.In this way, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, expansion throttling device, evaporator formation monoblock type connection, become whole centrifugal refrierator.
Description
Technical field
The invention belongs to air conditioner refrigerating fields, and in particular to whole centrifugal refrierator.
Background technique
Existing centrifugal refrierator includes centrifugal compressor, condenser, evaporator, expansion throttling device, these components
It is connected by pipeline, is easy to happen refrigerant leakage.Centrifugal refrierator is usually large sized unit, be not suitable for refrigerating capacity compared with
Small scene, application range are restricted.
Summary of the invention
That the purpose of the present invention is to provide a kind of power is small, structure is simple, the centrifugal refrierator of integrated connection.
Solution of the invention is: whole centrifugal refrierator include shell, motor, top cover, chassis, inner disc, impeller,
Air intake duct, condenser, expansion throttling device, evaporator, distribution control device, characterized in that impeller is mounted between top cover and inner disc,
Impeller passage and diffuser passage are formed, refrigerant is centrifuged speedup and pressurization.It is diffusion chamber, refrigerant between chassis and inner disc
After impeller and diffuser speedup, pressurization, enter diffusion chamber from inner disc outer edge, speed reduces, by the kinetic energy of refrigerant into
One step is converted into pressure energy, to obtain high pressure gas.The transmission shaft of impeller is connected to motor across top cover, the air inlet of impeller
Connect gas outlet at the top of air intake duct, gas outlet airtight connection at the top of the air inlet and air intake duct of inner disc centre bottom, top cover outer edge
With chassis outer edge airtight connection.Condenser is looped around around air intake duct, and the gas outlet of air inlet and center chassis bottom connects
It connects, liquid outlet is connect with the inlet of expansion throttling device, and condenser is exchanged heat using air-cooled or water cooling.Expansion throttling device is looped around suction
Around tracheae, the liquid outlet of inlet and condenser is connected, and the inlet of liquid outlet and evaporator connects.Evaporator is surround
Around air intake duct, inlet is connect with the liquid outlet of expansion throttling device, and gas outlet is connect with air intake duct bottom air inlet, is steamed
Device is sent out to exchange heat using air-cooled or water cooling.In this way, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, expansion throttling
Device, evaporator, which form monoblock type connection, becomes whole centrifugal refrierator on shell.
The cyclic process of refrigerant is: low-temp low-pressure gaseous refrigerant enters impeller from gas outlet at the top of air intake duct, passes through
High speed rotation, the centrifugation speedup of impeller, are pressurized into diffuser, enter back into the pressurization of diffusion chamber, become high pressure gaseous refrigeration
Agent radiates into condenser, becomes high temperature and pressure liquid refrigerant, into expansion throttling device, throttles as low-pressure, liquid refrigerant,
It absorbs heat into evaporator, becomes low-temp low-pressure gaseous refrigerant, by the air inlet of air-breathing bottom of the tube, flow back into air intake duct again
Top gas outlet, into impeller, to complete a refrigeration cycle.
Distribution control device provides power for unit and automatically controls the operation of unit, which can be disposed vertically,
It can be horizontally arranged, and can modularization assembling.
Detailed description of the invention
Fig. 1 is whole centrifugal refrierator structural map 1
Fig. 2 is the sectional view 1-1 of Fig. 1
Fig. 3 is whole centrifugal refrierator structural map 2
Fig. 4 is whole centrifugal refrierator structural map 3
Fig. 5 is whole centrifugal refrierator structural map 4
Fig. 6 is whole centrifugal refrierator structural map 5
Fig. 7 is whole centrifugal refrierator structural map 6
Fig. 8 is whole centrifugal refrierator structural map 7
Fig. 9 is whole centrifugal refrierator structural map 8
Figure 10 is whole centrifugal refrierator structural map 9
Figure 11 is whole centrifugal refrierator structural map 10
Description of symbols:
1, shell, 2, motor, 3, top cover, 4, chassis, 5, inner disc, 6, impeller, 7, diffuser, 8, diffusion chamber, 9, air intake duct, 10,
Condensation chamber, 11,15, rib, 12,17, air duct, 13, capillary, 14, evaporation cavity, 16, air intake duct bottom air inlet, 18, vacuum
Internal lining pipe, 19, pressure fan, 20, exhaust blower, 21,22, air inlet, 23,24, partition, 25, evaporation cavity outer wall, 26, support, 27,
Condenser coil, 28, expansion throttling device, 29, evaporation coil, 30,33, water circulating pump, 31, water-cooled condenser, 32, water cooling evaporation
Device, 34, support shaft, 35,43, transmission shaft, 36, motor stator, 37, rotor, 38, water tank, 39,41, volute of blower, 40,
42, draught fan impeller.
Specific embodiment
In Fig. 1, top cover 3, chassis 4, inner disc 5, impeller 6 are circle, air intake duct 9, condensation chamber 10, evaporation cavity 14, in vacuum
Bushing pipe 18, air duct 12,17, for cylinder.Impeller 6 is mounted between top cover 3 and inner disc 5, forms impeller passage, inner disc 5 and top cover 3
Between form diffuser passage, refrigerant is centrifuged speedup and pressurization.It is diffusion chamber 8, refrigerant warp between chassis 4 and inner disc 5
After crossing 7 speedup of impeller 6 and diffuser, pressurization, enter diffusion chamber 8 from 5 outer edge of inner disc, speed reduces, by the kinetic energy of refrigerant
It is further converted to pressure energy, to obtain high pressure gas.The transmission shaft of impeller 6 passes through top cover 3 and passes through speed increasing gear and active
Gear is connect with motor 2, and the air inlet of impeller 6 connects 9 top gas outlet of air intake duct, the air inlet and air-breathing of 5 centre bottom of inner disc
9 top gas outlet airtight connection of pipe, 3 outer edge of top cover and 4 outer edge airtight connection of chassis.Condensation chamber 10 is looped around air intake duct 9
Around, air inlet is connect with the gas outlet of 4 centre bottom of chassis, and liquid outlet is connect with the inlet of capillary 13, condensation chamber
10 use air-cooled heat exchange.Capillary 13 is looped around around air intake duct 9, and inlet is connect with the liquid outlet of condensation chamber 10, is gone out
Liquid mouth is connect with the inlet of evaporation cavity 14.Evaporation cavity 14 is looped around around air intake duct 9, the liquid out of inlet and capillary 13
Mouth connection, gas outlet are connect with air intake duct bottom air inlet 16, and evaporation cavity 14 uses air-cooled heat exchange.In this way, motor 2, top cover 3,
Chassis 4, inner disc 5, impeller 6, air intake duct 9, condensation chamber 10, capillary 13, evaporation cavity 14 form monoblock type connection, are mounted in shell 1
On, become whole centrifugal refrierator.
10 outer surface of condensation chamber has rib 11, and 14 outer surface of evaporation cavity has rib 15, for enhancing heat exchange.Air duct 12
It is looped around around condensation chamber 10, is fixed on shell 1 by partition, form air exhaust passage, exhaust blower 20 is located therein.Air duct 12
It is looped around around condensation chamber 10, is fixed on shell 1 by partition, form air exhaust passage, exhaust blower 20 is located therein.Air duct 17
It is looped around around evaporation cavity 14, is fixed on shell 1 by partition, form air-supply passage, pressure fan 19 is located therein.Air-supply is logical
By 23 closed partitions of partition between road and air exhaust passage, and post thermal insulation material.
Pressure fan 19, exhaust blower 20 suction under, air enters from air inlet 21,22, in air duct 17 and evaporation cavity
14 heat exchange, low-temp low-pressure liquid refrigerant evaporation endothermic become low-temp low-pressure gaseous refrigerant, and air is sent by cool-down dehumidification
Blower 19 is seen off；It exchanges heat in air duct 12 with condensation chamber 10, high temperature and high pressure gaseous refrigerant condenses heat release, becomes high-temperature high-pressure liquid
State refrigerant, air are heated up, and are drained by exhaust blower 20.
Capillary 13 uses one or more, can be wrapped in around air intake duct 9, it is also possible to which electric expansion valve etc. is as expansion
Flow controller.Vacuum internal lining pipe 18 is thin-walled vacuum casing, and outer wall is close to the inner wall of air intake duct 9, reduces condensation chamber 10, evaporation cavity
14 with air intake duct 9 in refrigerant heat exchange.Motor 2, pressure fan 19, exhaust blower 20 use speed regulating motor.Air intake duct bottom inflow
Mouth 16 falls in the bottom in evaporation cavity 14 with support, and 14 bottom of evaporation cavity falls in the bottom of shell 1 by support.It is evaporating
The device for connecing condensed water should be arranged at 14 bottom of chamber.In this figure, unit is to be disposed vertically, and be may also be placed horizontally, inner disc 5 and top cover 3,
There should be support between chassis 4.
The circulation process of refrigerant is: 9 top gas outlet of air intake duct → impeller 6 → diffuser, 7 → diffusion, 8 → condensation chamber of chamber
10 → capillary, 13 → evaporation cavity, 14 → air intake duct bottom air inlet, 16 → air intake duct, 9 top gas outlet is completed primary refrigeration and is followed
Ring.
In Fig. 2, air duct 17 is circular air channel, covers in the periphery of evaporation cavity outer wall 25, heat exchanging air duct is formed, outside evaporation cavity
There is rib 15 on wall 25, for enhancing heat exchange, has support 26 between 9 outer wall of inner wall and air intake duct of evaporation cavity outer wall 25, very
Empty internal lining pipe 18 is close to the inner wall of air intake duct 9.
In Fig. 3, condensation chamber 10 has changed condenser coil 27 into, and evaporation cavity 14 has changed evaporation coil 29 into, and condenser coil 27 steams
Pipe 29 offer using the air cooling heat exchanger of the forms such as helix tube, finned coil, expansion throttling device 28 is using capillary, electronic expansion
Valve etc..
In Fig. 4, using water-cooled condenser 31, water cooling evaporator 32, refrigerant heat exchanger is using forms such as helix tube, straight tubes
Heat exchanger chilled water and hot water are obtained by the cycle heat exchange of water circulating pump 30,33.
In Fig. 5, for condenser using air-cooled, evaporator uses water cooling.
In Fig. 6, condenser uses water cooling, and evaporator is using air-cooled.
In Fig. 7, transmission shaft 35 is fixed on 3 center of top cover, passes through shell 1, passes through speed increasing gear and driving gear and motor 2
Connection, impeller 6 are fixed on top cover 3 or inner disc 5, are not rotated relative to the two, in this way, top cover 3, chassis 4, inner disc 5, impeller 6, suction
Tracheae 9, condensation chamber 10, capillary 13, evaporation cavity 14 form monoblock type connection, become by rotary body, bottom passes through support shaft 34
It falls on 1 pedestal of shell, when motor 2 rotates, drives whole high speed rotation, low-pressure refrigerant gas is in the impeller to run at high speed
In 6, high-pressure gas refrigerant is compressed by centrifugal force, carries out refrigeration cycle, the same Fig. 1 of process.10 outer surface of condensation chamber has rib
Item 11,14 outer surface of evaporation cavity have rib 15, pass through pressure fan 19, the air-cooled heat exchange of exhaust blower 20.Due to being to rotate integrally, respectively
Position will generate centrifugal force, should take measures to guarantee that the centrifugal force that impeller 6 generates is greater than condensation chamber 10, capillary 13, evaporation cavity
The centrifugal force at 14 positions maintains normal refrigeration cycle, such as: the diameter of impeller 6 is preferably greater than condensation chamber 10, capillary 13, steams
Send out the diameter at 14 position of chamber, and condensation chamber 10, capillary 13,14 position of evaporation cavity diameter be preferably gradually expanded under upper,
In this way, the refrigerant of 14 bottom of evaporation cavity will not reflux into capillary 13, condensation chamber 10.
In Fig. 8, transmission shaft 35 is fixed on 3 center of top cover, and on shell 1, capillary 13, air intake duct 9 turn positioned at motor
The axial portions of son 37, rotor 37 are fastened around capillary 13, around air intake duct 9, and motor stator 36 is fixed on branch
On frame, top cover 3, chassis 4, inner disc 5, impeller 6, condensation chamber 10 are located at the side of rotor 37, and evaporation cavity 14 turns positioned at motor
The other side of son 37.When rotor 37 rotate when, drive top cover 3, chassis 4, inner disc 5, impeller 6, air intake duct 9, condensation chamber 10,
Capillary 13, evaporation cavity 14 rotate integrally.In order to which rotor 37 is easy for assemble or unload, 14 part of evaporation cavity with 13, capillary
Screwed connection is preferably taken in the connection divided.
In Fig. 9, evaporation cavity 14 is immersed in water tank 38, becomes water-cooled evaporator, and water circulating pump 33 is constantly recycled, provided
Chilled water.
In Figure 10, draught fan impeller 40,42 is set in condensation chamber 10, the upper end of evaporation cavity 14 and volute of blower 39,41
It is interior, air duct 12,17 respectively with volute of blower 39,41 air inlet airtight connections, draught fan impeller 40,42 with whole unit rotation
And rotate, wind is sucked from air inlet 21,22, into air duct 12,17, is exchanged heat with condensation chamber 10, evaporation cavity 14, and hot wind, cold is become
Shell 1 is finally discharged in wind.Whole centrifugal refrierator in Fig. 7,8,9 can also fill draught fan impeller 40,42.
In Figure 11, impeller 6 is mounted between top cover 3 and inner disc 5, is not fixed and is connect with the two, and transmission shaft 43 and impeller 6 are fixed
Connection, and top cover 3 is passed through, in the card slot on shell 1, the fixation of transmission shaft 43 is kept not rotate, in this way, impeller 6 is with respect to shell
Body 1 does not rotate to be static.When top cover 3, chassis 4, inner disc 5, air intake duct 9, condensation chamber 10, capillary 13, evaporation cavity 14 are whole high
It is to do high speed rotation relative to impeller 6 when speed rotation, it equally can be with compressed gas refrigerant.The same with Figure 10, this is integrally centrifuged
Formula refrigeration machine can also fill draught fan impeller 40,42.
The above is only better embodiment of the invention, not does limitation in any form to the present invention.
Any simple modifications, equivalents, and modifications done according to the technical essence of the invention to embodiment of above belong to this
The protection scope of invention.
Claims (6)
1. whole centrifugal refrierator, it includes shell, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, expansion
Flow controller, evaporator, distribution control device, characterized in that impeller is mounted between top cover and inner disc, forms impeller passage and diffusion
Refrigerant is centrifuged speedup and pressurization by device channel, is diffusion chamber between chassis and inner disc, and refrigerant increases by impeller and diffuser
After speed, pressurization, entering diffusion chamber from inner disc outer edge, speed reduces, the kinetic energy of refrigerant is further converted to pressure energy, from
And high pressure gas is obtained, the transmission shaft of impeller is connected to motor across top cover, and the air inlet of impeller connects gas outlet at the top of air intake duct,
Gas outlet airtight connection, top cover outer edge and the closed company of chassis outer edge at the top of the air inlet and air intake duct of inner disc centre bottom
It connects, condenser is looped around around air intake duct, and air inlet is connect with the gas outlet of center chassis bottom, liquid outlet and expansion throttling
The inlet of device connects, and expansion throttling device is looped around around air intake duct, and the liquid outlet connection of inlet and condenser goes out liquid
Mouth is connect with the inlet of evaporator, and evaporator is looped around around air intake duct, and the liquid outlet of inlet and expansion throttling device connects
Connect, gas outlet is connect with air intake duct bottom air inlet, in this way, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser,
Expansion throttling device, evaporator, which form monoblock type connection, becomes whole centrifugal refrierator on shell.
2. whole centrifugal refrierator, it includes shell, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, capillary
Pipe, evaporator, distribution control device, characterized in that impeller is mounted between top cover and inner disc, forms impeller passage and diffuser is logical
Refrigerant is centrifuged speedup and pressurization by road, is diffusion chamber between chassis and inner disc, refrigerant by impeller and diffuser speedup,
After pressurization, entering diffusion chamber from inner disc outer edge, speed reduces, the kinetic energy of refrigerant is further converted to pressure energy, thus
High pressure gas is obtained, transmission shaft is fixed on top cap central, is connected to motor across shell, and impeller is fixed on top cover or inner disc,
The air inlet of impeller meets gas outlet at the top of air intake duct, the closed company in gas outlet at the top of the air inlet and air intake duct of inner disc centre bottom
It connects, top cover outer edge and chassis outer edge airtight connection, condenser are fastened around around air intake duct, in air inlet and chassis
The gas outlet of heart bottom connects, and the inlet of liquid outlet and capillary connects, and capillary is fastened around around air intake duct, into
The inlet of the connection of the liquid outlet of liquid mouth and condenser, liquid outlet and evaporator connects, and evaporator is fastened around air intake duct
Around, the liquid outlet of inlet and capillary connects, and gas outlet is connect with air intake duct bottom air inlet, and base of evaporator passes through
Support shaft is fallen on housing base, in this way, top cover, chassis, inner disc, impeller, air intake duct, condenser, capillary, evaporator are formed
Monoblock type connection becomes by rotary body, on shell, becomes whole centrifugal refrierator.
3. whole centrifugal refrierator, it includes shell, motor, top cover, chassis, inner disc, impeller, air intake duct, condenser, capillary
Pipe, evaporator, distribution control device, characterized in that impeller is mounted between top cover and inner disc, forms impeller passage and diffuser is logical
Refrigerant is centrifuged speedup and pressurization by road, is diffusion chamber between chassis and inner disc, refrigerant by impeller and diffuser speedup,
After pressurization, entering diffusion chamber from inner disc outer edge, speed reduces, the kinetic energy of refrigerant is further converted to pressure energy, thus
Obtain high pressure gas, transmission shaft is fixed on top cap central, on shell, impeller be fixed on top cover or inner disc or impeller not
It is fixed on top cover or inner disc, transmission shaft is fixedly connected with impeller, and passes through top cover, in the card slot on shell, keeps passing
Moving axis fixation does not rotate, and the air inlet of impeller connects gas outlet at the top of air intake duct, the air inlet and air-breathing tube top of inner disc centre bottom
Portion gas outlet airtight connection, top cover outer edge and chassis outer edge airtight connection, condenser are fastened around around air intake duct,
Air inlet is connect with the gas outlet of center chassis bottom, and the inlet connection of liquid outlet and capillary, capillary is fastened around
Around air intake duct, the liquid outlet of inlet and condenser is connected, and the inlet of liquid outlet and evaporator connects, evaporator ring
Around being fixed on around air intake duct, the liquid outlet connection of inlet and capillary, gas outlet is connect with air intake duct bottom air inlet,
Base of evaporator is fallen on housing base by support shaft, and capillary, air intake duct are located at the axial portions of rotor, and motor turns
Son is fastened around capillary, around air intake duct, and motor stator is fixed on bracket, top cover, chassis, inner disc, impeller, condensation
Device is located at the side of rotor, and evaporator is located at the other side of rotor, when rotor rotation, drives top cover, bottom
Disk, inner disc, air intake duct, condenser, capillary, evaporator as a whole rotation, in this way, top cover, chassis, inner disc, impeller, air intake duct,
Condenser, capillary, evaporator, motor, which form monoblock type connection, becomes whole centrifugal refrierator on shell.
4. entirety centrifugal refrierator according to claim 1 or 2 or 3, characterized in that condenser, evaporator use wind
Cold heat exchanger, water cooling heat exchanger.
5. entirety centrifugal refrierator according to claim 2 or 3, characterized in that condenser, evaporator are equipped with heat exchange
Draught fan impeller.
6. entirety centrifugal refrierator according to claim 1 or 2 or 3, characterized in that unit is to be disposed vertically or water
Placing flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518774.6A CN110081625A (en) | 2019-06-16 | 2019-06-16 | Whole centrifugal refrierator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518774.6A CN110081625A (en) | 2019-06-16 | 2019-06-16 | Whole centrifugal refrierator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081625A true CN110081625A (en) | 2019-08-02 |
Family
ID=67424240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910518774.6A Pending CN110081625A (en) | 2019-06-16 | 2019-06-16 | Whole centrifugal refrierator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081625A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425643A (en) * | 2019-08-23 | 2019-11-08 | 谢庆 | Inertia air-conditioning, air conditioner indoor unit, air-conditioner outdoor unit and air-conditioning system |
| CN112268324A (en) * | 2020-09-30 | 2021-01-26 | 黄建军 | Refrigerant evaporation and condensation device |
-
2019
- 2019-06-16 CN CN201910518774.6A patent/CN110081625A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425643A (en) * | 2019-08-23 | 2019-11-08 | 谢庆 | Inertia air-conditioning, air conditioner indoor unit, air-conditioner outdoor unit and air-conditioning system |
| CN112268324A (en) * | 2020-09-30 | 2021-01-26 | 黄建军 | Refrigerant evaporation and condensation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110081625A (en) | Whole centrifugal refrierator | |
| CN105074354B (en) | Inlet guide vane mechanism | |
| AU2016385149B2 (en) | Axial fan assembly and motor home air-conditioner using same | |
| CN109268287A (en) | The unpowered cooling device of direct-connected drive-type twocouese blower | |
| KR102122584B1 (en) | Compressor and Chiller system including the same | |
| KR20070119833A (en) | A package airconditioner | |
| JP3244582U (en) | Converter cabinet condensation prevention system | |
| CN104736952A (en) | Centrifugal compressor inlet guide vane control | |
| JP6151634B2 (en) | Heat pump and manufacturing method thereof | |
| CN207247606U (en) | Air-cooler and CT machine cooling systems | |
| CN112892892A (en) | Refrigeration system of hypergravity centrifuge | |
| CN216897625U (en) | Air-conditioning range hood and air-conditioning module thereof | |
| CN210051017U (en) | Integral centrifugal refrigerator | |
| CN206018998U (en) | A kind of pair of snail fans Teat pump boiler | |
| CN114264003A (en) | Air-conditioning range hood, air-conditioning module and control method of air-conditioning module | |
| CN105972872A (en) | Modular evaporator structure and combined base station air conditioner provided with the same | |
| CN201222682Y (en) | Cooling device for motor and motor using the same | |
| KR20110083913A (en) | Refrigerator | |
| CN205843135U (en) | A kind of modular evaporation structure and there is its combination type base station air conditioner | |
| CN206001771U (en) | A kind of new changes in temperature constant temperature unit | |
| CN213040650U (en) | Indoor unit of air conditioner | |
| CN108599467A (en) | Utilize the turbo-dynamo cooling device of heat exchanger | |
| CN213040654U (en) | Indoor unit of air conditioner | |
| CN211876192U (en) | Outdoor unit of air conditioner | |
| CN108131835A (en) | A kind of household monoblock type air-source water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |