CN110375471A - Transport refrigeration system with multiple fans - Google Patents
Transport refrigeration system with multiple fans Download PDFInfo
- Publication number
- CN110375471A CN110375471A CN201910294140.7A CN201910294140A CN110375471A CN 110375471 A CN110375471 A CN 110375471A CN 201910294140 A CN201910294140 A CN 201910294140A CN 110375471 A CN110375471 A CN 110375471A
- Authority
- CN
- China
- Prior art keywords
- compartment
- heat exchanger
- refrigeration system
- variable speed
- transport refrigeration
- 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
- 238000005057 refrigeration Methods 0.000 title claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims description 30
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/323—Cooling devices using compression characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3232—Cooling devices using compression particularly adapted for load transporting vehicles
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/003—Transport containers
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A kind of transport refrigeration system, including refrigerating circuit, the refrigerating circuit include compressor, condenser, first heat exchanger and second heat exchanger.First variable speed fan is associated with the first heat exchanger and the second variable speed fan is associated with the second heat exchanger.
Description
Background technique
This application involves the refrigeration systems for being used to cool down closed goods space at least two fans.
Refrigeration system is known.In general, compressor compresses refrigerant and being transported in condenser.Refrigerant is cold
But and pass through expansion valve.Refrigerant expands and passes through evaporator.Evaporator to the air that be transported in environment to be regulated into
Row cooling.
One application of such refrigeration system is in transport refrigeration system.As an example, lorry can have refrigeration
Trailer.The known different compartments in common trailer provide different temperature.Usually difference is provided using each refrigerating circuit
Temperature.
Summary of the invention
In one exemplary embodiment, a kind of transport refrigeration system includes refrigerating circuit, which includes compression
Machine, condenser, first heat exchanger and second heat exchanger.First variable speed fan is associated with the first heat exchanger, and
Second variable speed fan is associated with the second heat exchanger.
In any of above further embodiment, first variable speed fan is grasped independently of second variable speed fan
Make.
In any of above further embodiment, first compartment channel, which has, is located at the first heat exchanger upstream
First compartment feeder connection.First variable speed fan is located at the downstream of the first heat exchanger.
In any of above further embodiment, first jet is located at the downstream of first variable speed fan and has
First compartment channel outlet.
In any of above further embodiment, second compartment channel, which has, is located at the second heat exchanger upstream
Second compartment feeder connection.Second variable speed fan is located at the downstream of the second heat exchanger.
In any of above further embodiment, second nozzle is located at the downstream of second variable speed fan and has
Second compartment channel outlet.
In any of above further embodiment, the first compartment channel outlet goes out with the second compartment channel
Mouth is spaced apart.
In any of above further embodiment, first variable speed fan includes multiple first variable speed fans.
In any of above further embodiment, second variable speed fan includes multiple second variable speed fans.
In any of above further embodiment, the first heat exchanger is in parallel with the second heat exchanger.
In any of above further embodiment, the first expansion device is located at the upstream of the first heat exchanger.
In any of above further embodiment, first expansion device is the first electric control expansion valve.Controller
It is configured as controlling the refrigerant flowing of the first heat exchanger by controlling first electric control expansion valve.
In any of above further embodiment, the second expansion device is located at the upstream of the second heat exchanger.
In any of above further embodiment, second expansion device is the second electric control expansion valve.The control
Device processed is configured as controlling the refrigerant flowing of the second heat exchanger by controlling second electric control expansion valve.
In a further exemplary embodiment, the method for operating refrigeration cycle includes by operating the first speed change with First Speed
Fan is come the step of adjusting the first compartment and first heat exchanger in goods space.By operating the second speed change with second speed
Fan adjusts second compartment and second heat exchanger in the goods space.The First Speed and the second speed are not
Together.
In any of above further embodiment, operating first variable speed fan includes taking out from the first compartment
Suck enters first compartment feeder connection, crosses the first heat exchanger and by with first compartment channel outlet
First jet.
In any of above further embodiment, operating second variable speed fan includes taking out from the second compartment
Suck enters second compartment feeder connection, crosses the second heat exchanger and by second nozzle, the second nozzle
With the second compartment channel outlet being spaced apart with the first compartment channel outlet.
In any of above further embodiment, pass through the first automatically controlled expansion with the first heat exchanger upstream
The controller control refrigerant of valve telecommunication flows through first electric control expansion valve.
In any of above further embodiment, pass through the second automatically controlled expansion with the second heat exchanger upstream
The controller control refrigerant of valve telecommunication flows through second electric control expansion valve.
In any of above further embodiment, with the first maximum flow rate operation first variable speed fan, and with
The second maximum flow rate less than first maximum flow rate operates the second variable speed fan.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing transport refrigeration system.
Fig. 2 is the schematic diagram for crossing the air-flow of a pair of of heat-absorbing exchanger.
Specific embodiment
Fig. 1 is shown and such as refrigerated goods space goods space 22() associated transport refrigeration system 20.Shown
Example in, goods space 22 is divided into first compartment 22A and second compartment 22B by partition wall 23.
Controller 24 manages the operation of refrigeration system 20, in the first compartment 22A and second compartment 22B of goods space 22
It is interior to establish and adjust desired product storage temperature.Goods space 22 can be trailer, lorry, seavan or through transport packaging
The container of case, wherein perishable goods (such as agricultural product, meat, poultry, fish, dairy products, cut-flower and other fresh
Or the perishable farm products of freezing) be stored to be transported.
Refrigeration system 20 includes the refrigerant for connecting and being arranged in closed-loop refrigerant circuits in conventional refrigeration cycle
Compression set 26, refrigerant bank of heat exchangers 28, the first expansion device 30A, the second expansion device 30B, the heat absorption of the first refrigerant
Exchanger 32A and second refrigerant heat-absorbing exchanger 32B.First expansion device 30A and the second expansion device 30B can be by controlling
The electric control expansion valve that device 24 processed controls, adjusted respectively by the first heat-absorbing exchanger 32A and the second heat-absorbing exchanger 32B
The refrigerant flowing of each.Refrigeration system 20 further include one or more fan 34 associated with bank of heat exchangers 28 and
First fan 36A associated with each of the first heat-absorbing exchanger 32A and the second heat-absorbing exchanger 32B and the second fan
36B.In one example, the first heat-absorbing exchanger 32A and the second heat-absorbing exchanger 32B is evaporator.
Other component (not shown) is incorporated into refrigerant circuit it should be appreciated that can according to need, other described portions
Part includes, but not limited to, e.g. suction modulation valve, receiver, filter/dryer, economizer circuit.
Bank of heat exchangers 28 can convey coil pipe or one or more tube banks for example including one or more refrigerants, by
The multiple conveying pipe of refrigerant extended between corresponding inlet manifold and outlet manifold are formed.(multiple) fan 34 can operate with
Air (usually surrounding air) is set to pass through the pipe of refrigerant bank of heat exchangers 28, with the cooling refrigerant for passing through the pipe
Steam.
First heat-absorbing exchanger 32A and the second heat-absorbing exchanger 32B can for example further include that one or more refrigerants are defeated
Coil pipe or one or more tube banks are sent, is conveyed by the multiple refrigerants extended between corresponding inlet manifold and outlet manifold
Pipe is formed.First fan 36A and the second fan 36B is operable such that the air extracted out from temperature controlled cargo space 22 passes through heat absorption and hands over
The pipe of parallel operation 32A, 32B, to heat refrigerant and the cooling air by the pipe.Across heat-absorbing exchanger 32A,
Cooled air, which is supplied, when 32B returns to corresponding first compartment 22A and second compartment 22B in goods space 22.Although
Single first fan 36A and single second fan 36B be only shown in illustrated embodiment, but multiple first fan 36A and multiple
Second fan 36B can be associated with the first heat-absorbing exchanger 32A and the second heat-absorbing exchanger 32B respectively.
Before entering compressing apparatus of refrigerant 26, refrigerant passes through outlet valve 38.The control of outlet valve 38 enters refrigerant
The pressure and state of the refrigerant of compression set 26.Compressing apparatus of refrigerant 26 may include single-stage or compound compressor, such as example
Such as reciprocating compressor or scroll compressor.
In the refrigeration system 20, the operation that controller 24 is configured for control refrigeration system 20 (is including but not limited to made
The operation of the various parts of cooling system 20), to provide and maintain desired operation temperature in goods space 22.Controller 24 can
To be the electronic controller for including microprocessor and associated memory bank.The various parts that controller 24 controls refrigeration system 20 are (all
Such as compressing apparatus of refrigerant 26, the first expansion device 30A and the second expansion device 30B, fan 34,36A, 36B and outlet valve 38)
Operation.
Fig. 2 schematically shows pass through corresponding first heat-absorbing exchanger from first compartment 22A and second compartment 22B
The air-flow of 32A and the second heat-absorbing exchanger 32B.Air-flow from first compartment 22A flows through first compartment channel 40A and returns to
In first compartment 22A.First compartment channel 40A includes the air for receiving to enter from first compartment 22A first compartment channel 40A
First compartment feeder connection 42A.From first compartment feeder connection 42A, air is crossed the first heat absorption by the first fan 36A suction and is handed over
Parallel operation 32A simultaneously enters first jet 44A.From first jet 44A, air by first compartment channel outlet 46A leave first every
Room channel 40A simultaneously advances back in first compartment 22A.
Similarly, the air from second compartment 22B flows through second compartment channel 40B and returns to second compartment 22B.The
Two compartment channel 40B include the second compartment feeder connection for receiving to enter from second compartment 22B the air of second compartment channel 40B
42B.From second compartment feeder connection 42B, air crosses the second heat-absorbing exchanger 32B by the second fan 36B suction and enters the
Two nozzle 44B.From second nozzle 44B, air leaves second compartment channel 40B by second compartment channel outlet 46B and advances
Back to second compartment 22B.
In one example, the volume size of first compartment 22A and second compartment 22B can be unequal.When first
When the size of compartment and second compartment is unequal, wind associated with the larger compartment in first compartment 22A and second compartment 22B
Fan 36A, 36B can be to run than speed fan 36A associated with compartment lesser in two compartments, 36B high.Alternatively,
First compartment 22A and second compartment 22B can have identical size but with different cooling requirement.
Because the first fan 36A and the second fan 36B are independently of one another and with variable velocity operation, refrigeration system
20 can be by operating the first wind with the optimum speed for being no more than the demand to corresponding first compartment 22A and second compartment 22B
36A and the second fan 36B is fanned more effectively to operate.In addition, one in the first fan 36A and the second fan 36B can revolve
Turn, and another in the first fan 36A and the second fan 36B can be it is static.In addition to the first fan 36A and the second fan
Except pace of change between 36B, the first fan 36A and the second fan 36B can have different maximum flow rates, to meet
The cooling requirement of one compartment 22A and second compartment 22B.This can be each in the first fan 36A and the second fan 36B by changing
Fan blade geometry (such as diameter and/or spacing) Lai Shixian.
Previously described property is exemplary and not restrictive.To those skilled in the art, public to institute
Opening change and modification made by example can become obvious, it is not necessary to be detached from the essence of the disclosure.The law for giving the disclosure is protected
Shield range can only be determined by research following following claims.
Claims (20)
1. a kind of transport refrigeration system comprising:
Refrigerating circuit comprising compressor, condenser, first heat exchanger and second heat exchanger, wherein the first variable speed fan
It is associated with the first heat exchanger, and the second variable speed fan is associated with the second heat exchanger.
2. transport refrigeration system according to claim 1, wherein first variable speed fan is independently of second speed change
Fan operation.
3. transport refrigeration system according to claim 1 further includes first compartment channel, the first compartment channel tool
Have positioned at the first compartment feeder connection of the first heat exchanger upstream and positioned at described in the first heat exchanger downstream
First variable speed fan.
4. transport refrigeration system according to claim 3 comprising have first in first variable speed fan downstream
The first jet of compartment channel outlet.
5. transport refrigeration system according to claim 4 further includes second compartment channel, the second compartment channel tool
Have positioned at the second compartment feeder connection of the second heat exchanger upstream and positioned at the second of the second heat exchanger downstream
Variable speed fan.
6. transport refrigeration system according to claim 5 comprising have second in second variable speed fan downstream
The second nozzle of compartment channel outlet.
7. transport refrigeration system according to claim 6, wherein the first compartment channel outlet and the second compartment
Channel outlet is spaced apart.
8. transport refrigeration system according to claim 7, wherein first variable speed fan includes multiple first speed change wind
Fan.
9. transport refrigeration system according to claim 8, wherein second variable speed fan includes multiple second speed change wind
Fan.
10. transport refrigeration system according to claim 1, wherein the first heat exchanger and the second heat exchanger
It is in parallel.
11. transport refrigeration system according to claim 10 further includes the first of the first heat exchanger upstream
Expansion device.
12. transport refrigeration system according to claim 11, wherein first expansion device is the first electric control expansion valve,
And controller is configured as controlling the refrigerant of the first heat exchanger by controlling first electric control expansion valve
Flowing.
13. transport refrigeration system according to claim 12 further includes the second of the second heat exchanger upstream
Expansion device.
14. transport refrigeration system according to claim 13, and second expansion device is the second electric control expansion valve,
And the controller is configured as controlling the system of the second heat exchanger by controlling second electric control expansion valve
Cryogen flowing.
15. a kind of method for operating refrigeration cycle comprising following steps:
The first compartment in goods space is adjusted by operating the first variable speed fan with First SpeedWithFirst heat exchanger；With
The second compartment in the goods space is adjusted by operating the second variable speed fan with second speedWithSecond heat exchange
Device；Wherein the First Speed is different from the second speed.
16. according to the method for claim 15, wherein operating first variable speed fan includes taking out from the first compartment
Suck enters first compartment feeder connection, crosses the first heat exchanger and by with first compartment channel outlet
First jet.
17. according to the method for claim 16, wherein operating second variable speed fan includes taking out from the second compartment
Suck enters second compartment feeder connection, crosses the second heat exchanger and by second nozzle, the second nozzle
With the second compartment channel outlet being spaced apart with the first compartment channel outlet.
18. according to the method for claim 15, further include:
Refrigerant, which is controlled, by the controller of the first electric control expansion valve telecommunication with the first heat exchanger upstream flows through institute
State the first electric control expansion valve.
19. according to the method for claim 18, further include:
Refrigerant, which is controlled, by the controller of the second electric control expansion valve telecommunication with the second heat exchanger upstream flows through institute
State the second electric control expansion valve.
20. according to the method for claim 15, further include:
First variable speed fan is operated with the first maximum flow rate；With
The second variable speed fan is operated to be less than the second maximum flow rate of first maximum flow rate.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862657259P | 2018-04-13 | 2018-04-13 | |
| US62/657259 | 2018-04-13 | ||
| US16/290,261 US20190316828A1 (en) | 2018-04-13 | 2019-03-01 | Transportation refrigeration system having multiple fans |
| US16/290261 | 2019-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375471A true CN110375471A (en) | 2019-10-25 |
Family
ID=68160721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910294140.7A Pending CN110375471A (en) | 2018-04-13 | 2019-04-12 | Transport refrigeration system with multiple fans |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20190316828A1 (en) |
| CN (1) | CN110375471A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11371768B2 (en) * | 2018-12-28 | 2022-06-28 | Lg Electronics Inc. | Refrigerator and method for controlling the same |
| EP4310419A1 (en) * | 2022-07-22 | 2024-01-24 | Thermo King LLC | A refrigeration system for a transport unit and a method of controlling airflow in a refrigerated transport unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19500487A1 (en) * | 1994-01-10 | 1995-07-13 | Gold Star Co | Cool air distributing equipment for cold storage room or container |
| CN102203515A (en) * | 2008-10-31 | 2011-09-28 | 开利公司 | Control of multiple zone refrigerant vapor compression systems |
| CN104677050A (en) * | 2014-11-28 | 2015-06-03 | 中山市新顺翔电器制造有限公司 | Dual temperature zone wine cabinet |
| CN107014137A (en) * | 2017-05-24 | 2017-08-04 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326452A (en) * | 1977-10-24 | 1982-04-27 | Matsushita Electric Industrial Co., Ltd. | Fluid diverting assembly |
| GB2272080B (en) * | 1992-10-28 | 1996-01-10 | Toshiba Kk | Air conditioning apparatus capable of operating in cooling mode and heating mode |
| US10852041B2 (en) * | 2013-09-07 | 2020-12-01 | Trane International Inc. | HVAC system with electronically controlled expansion valve |
-
2019
- 2019-03-01 US US16/290,261 patent/US20190316828A1/en not_active Abandoned
- 2019-04-12 CN CN201910294140.7A patent/CN110375471A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19500487A1 (en) * | 1994-01-10 | 1995-07-13 | Gold Star Co | Cool air distributing equipment for cold storage room or container |
| CN102203515A (en) * | 2008-10-31 | 2011-09-28 | 开利公司 | Control of multiple zone refrigerant vapor compression systems |
| CN104677050A (en) * | 2014-11-28 | 2015-06-03 | 中山市新顺翔电器制造有限公司 | Dual temperature zone wine cabinet |
| CN107014137A (en) * | 2017-05-24 | 2017-08-04 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator |
Non-Patent Citations (1)
| Title |
|---|
| 张宝生等: "《汽车的空气调节—原理、结构、检测、维修》", 31 March 1992, 人民交通出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190316828A1 (en) | 2019-10-17 |
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Application publication date: 20191025 |