CN1764810A - Refrigeration system having an integrated bypass system - Google Patents
Refrigeration system having an integrated bypass system Download PDFInfo
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- CN1764810A CN1764810A CNA2004800055225A CN200480005522A CN1764810A CN 1764810 A CN1764810 A CN 1764810A CN A2004800055225 A CNA2004800055225 A CN A2004800055225A CN 200480005522 A CN200480005522 A CN 200480005522A CN 1764810 A CN1764810 A CN 1764810A
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- cold
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- refrigerant
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Classifications
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- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/02—Subcoolers
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- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
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- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air-Conditioning For Vehicles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A heat transfer system usable as an air conditioner, a heat pumpt or the like includes a compressor, a condenser, a main expansion device and an evaporator connected in a closed circuit through which a refrigerant is circulated, and a bypass device in which subcooling is performed rather than in the downstream portion of the condenser, as is conventional. The subcooling device is comprised of a unitary integrated structure having an inner tube connectable in a main refrigerant flow path at the outlet of a condenser, a concentric outer tube having end portions sealed to the outside of the inner tube thereby providing a chamber surrounding the inner tube, an inlet orifice connecting the inner tube to an upstream end of the outer tube that allows a portion of the refrigerant flowing in the inner tube to be diverted to the chamber, at a reduced temperature and pressure, an outlet orifice at the downstream end of the outer tube; and a return line in communication with the outlet orifice, and connectable to the main refrigerant path, whereby the diverted refrigerant can flow through the chamber, provide subcooling for refrigerant flowing in the inner tube, and then be returned to the main refrigerant flow path. The outlet orifice may also be sized to cause a pressure drop in the refrigerant as it exits the chamber, thereby accommodating a pressure differential between the refrigerant in the bypass device and the main refrigerant path at the point of reentry.
Description
Technical field
The present invention relates to a kind of efficient heat transfer system in general, thereby particularly a kind of bypass line that utilized comes the optimization component size to improve the system of whole system efficient, and part wherein comprises condenser, compressor and evaporimeter.For convenience's sake, the present invention adopts " refrigeration system " to be described, but obviously the present invention is not only applicable to pure refrigeration system, and it also is applicable to the system that similarly is used as heat pump.
Background technology
Fig. 1 is the calcspar of conventional refrigeration 10.This system comprises compressor 12, condenser 14, expansion gear 16 and evaporimeter 18.These parts are interconnected to form a loop by copper pipe 19 usually, and cold-producing medium such as R-12, R-22, R-134a, R-407c, R-410a, ammonia, carbon dioxide or natural gas just circulate in this loop.
Kind of refrigeration cycle mainly may further comprise the steps: compressor 12 compressed refrigerants; Cold-producing medium passes through condenser 14 to the environment heat release; Cold-producing medium throttling and cold-producing medium in expansion gear 16 absorb heat from the space that is cooled in evaporimeter 18.This circulation is called as the steam compression type refrigerating circulation sometimes, when being used in air-conditioning system, it is used for the air in the living space is carried out cooling dehumidification, and it also can be used in moving vehicle (as car, aircraft, train etc.), refrigeration plant, heat pump and other occasion.Obviously, system shown in Figure 1 has been represented all these systems usually.
In condenser 14, from cold-producing medium, remove heat, therefore can be at the outlet liquefy cold-producing medium of condenser from the superheated refrigerant steam of compressor.In Fig. 1, condenser 14 is divided into two parts, 14a and 14b.First's condenser of being represented by 14b is that the superheated refrigerant steam becomes saturated vapor and becomes the place of liquid refrigerant by saturated vapor through phase transformation, the process that wherein the becomes saturated vapor superheating process of calling.The second portion condenser of being represented by 14a is that liquid refrigerant further is cooled to the place under the saturation temperature under condensing pressure, and this process is cold excessively.
Submitted to name to be called among the patent application PCT/US03/36424 (hereinafter to be referred as 424 applications) of " REFRIGERATION SYSTEMWITH BYPASS SUBCOOLING AND COMPONENT SIZE DE-OPTIMIZATION " (having the optimization of cold excessively refrigeration system of bypass and part dimension) at me on November 11st, 2003, a kind of refrigeration system is disclosed, wherein cross and coldly finish in second refrigerant flow path, the part of this stream is crossed rather than is flow through in condenser in the main refrigerant flow path bypass.
Shown in Figure 2 is exactly this system.Here main refrigerant flow path is the same with system shown in Figure 1, and difference is also to have a bypass line 27 here, and some cold-producing medium is diverted to this bypass line from main refrigeration stream.This part pipeline comprises second expansion gear 23 and the heat exchanger 22 of thermally coupled on the main refrigerant flow path between condenser 14 and the main expansion gear 16.After cold-producing medium left condenser 14, the part that shunting is come out flow through second expansion gear 23, and its pressure and temperature is starkly lower than the pressure and temperature of condensator outlet.
Then, the cold refrigerant mixture that leaves second expansion gear 23 flows through heat exchanger 22, liquid refrigerant forms extra excessively cold thereby be extracted heat from the liquid refrigerant that condenser 14 flows out here.Extra coldly excessively made cold excessively the becoming in the condenser there is no need by what this bypass technology produced.Shown in Figure 2 is a subcooler that size is littler, wherein is removed by the super cooled sect 14a that empty frame table shows.
Because therefore the refrigerant pressure of heat exchanger outlet needs to connect with a pressure difference compensation device 38 (PDAD) outlet and the main refrigerant flow path of bypass line greater than the pressure of evaporimeter 18 outlets in the bypass line 27.This pressure difference compensation device or be a vacuum plant, or be a decompressor, this point can be referring to 424 applications.
Also disclose other relevant bypass line in 424 applications and carried out cold useful information, so the whole contents of this application is incorporated the application in full with the form of quoting here.
Cross and coldly legacy system has been produced major progress although adopt bypass to cross cold replacement condenser, wherein still need to try every possible means further to reduce cost and physical dimension, particularly all the more so in mini-system.The present invention is intended to satisfy this lasting needs.
Summary of the invention
An object of the present invention is to improve to the bypass of similar devices such as refrigeration system, heat pump is cold excessively.
Another object of the present invention provides the cold by-pass collar of a kind of mistake, and wherein the manufacturing cost of used unit is less than traditional parts.
Another object of the present invention provides the cold by-pass collar of a kind of mistake, and wherein used unit can be made more tinyly than the tradition part.
Another object of the present invention provides a kind of improved parts, and it is used for providing bypass cold excessively to refrigeration system or heat pump.
Another object of the present invention provides a kind of so improved parts, crosses cold more more economical than legacy device by its formed bypass.
Another object of the present invention provides a kind of so improved parts, and it can make the refrigerating plant that has adopted in the cold excessively heat pump of bypass than having adopted legacy device to realize that the refrigerating plant of bypass line is more tiny.
In a first aspect of the present invention, mistake is cold to be provided by a by-pass collar, and this by-pass collar comprises: a part that is used for leaving the liquid refrigerant of condenser in the main refrigerant flow path is diverted in the bypass line; Expansion gear, it is used for reducing the pressure and temperature of institute's tapped refrigerant; Heat-exchanger rig, it is used for wherein containing the refrigerant flow path of decompression cooling back tapped refrigerant and a part of main refrigerant flow path thermally coupled in condenser downstream with one, thus the cold-producing medium from main refrigerant flow path is taken enough heats away and is gone to provide cold; And outlet device, it links to each other with heat-exchange device so that the cold-producing medium of shunting is turned back to the main refrigerant flow path in heat exchanger device downstream.
In a first aspect of the present invention, outlet device can comprise a pressure difference compensation device.
In a first aspect of the present invention, the above-mentioned all functions of bypass line realize by a mechanical part.
In a second aspect of the present invention, cross and coldly form by an integrated morphology, this integrated morphology comprises: one first aperture, and its part that is used for leaving the liquid refrigerant of condenser is diverted to the bypass pipe road from main refrigerant flow path, and the cold-producing medium decompression cooling that shunting is come out; One heat exchanger, it comprises one first stream, the upstream extremity of this stream communicates with this hole, a part of main refrigerant flow path thermally coupled in this stream and condenser downstream simultaneously, thus take heat away and formed cold from the cold-producing medium that leaves condenser; And second aperture, its downstream with first stream cold-producing medium that is used for shunting that communicates turns back to main refrigerant flow path.
In a second aspect of the present invention, second aperture can comprise a pressure difference compensation device so that compensate the pressure reduction of cold-producing medium in primary flow path and the bypass line.
In a second aspect of the present invention, the above-mentioned all functions of bypass line realize by a mechanical part.
In a third aspect of the present invention is that a bypass that is used for refrigeration system or heat pump is crossed cold parts, and it is used for realizing following apparatus function as an overall structure: current divider, and its part that will leave in the cold-producing medium of condenser is shunted out; Expansion gear, the cold-producing medium of being shunted makes its temperature be starkly lower than the temperature of the cold-producing medium that leaves condenser thereby it is used for expanding; Heat exchanger, it uses the cooling refrigeration agent of being shunted to come the cold cold-producing medium that flows to main expansion gear from condenser; And a jockey, it is used for the cold-producing medium that will be shunted and was carrying out turning back to main refrigerant flow path after cold.
In a third aspect of the present invention, jockey also can be used as the pressure difference compensation device.
In a fourth aspect of the present invention, cross cold parts and can make by two concentric pipes.Manage a part that links to each other with the outlet of condenser in design and be used as main refrigerant flow path wherein.Upstream extremity at outer tube between interior pipe and the outer tube has one first aperture, and it is diverted in the bypass line as the part of refrigerant that expansion gear will leave condenser, and cools off the cold-producing medium of being shunted.When the cold-producing medium of cooling when flowing through outer tube, thereby its cold-producing medium of pipe in flowing through is taken heat away and is made the cold-producing medium the primary flow path cold excessively.Downstream at outer tube has one second aperture, and it is used for bypass line is linked to each other with a return duct, makes cold-producing medium that shunting comes out once more in the primary flow path in inflow evaporator downstream thus.Correctly select the size in second aperture, just can the pressure reduction between primary flow path and the bypass flow path be compensated.
Above-mentioned integrated morphology can be simplified the manufacturing and the assembling of bypass line greatly, thereby cost is reduced greatly.In addition, can also replace second an independent expansion gear, replace an independent PDAD, therefore can reduce the size of supercooling apparatus greatly with one second aperture on the outer heat exchange tube wall with one first aperture between the inside and outside heat exchanger tube.This point is very useful for minitype air conditioner system or heat pump.
In a fifth aspect of the present invention, integrated form supercooling apparatus described here can be used in 424 applications in the disclosed various structures, it also can be used in the others of modern heat transfer technology, as on September 23rd, 2002 application, application number is 10/253000, name is called the american documentation literature of " REFRIGERATION SYSTEM WITHDESUPERHEATING BYPASS " (refrigeration system that has overheated by-pass collar), disclosed content is incorporated the application here by reference in full in the document.
By following explanation and accompanying drawing, will understand above-mentioned purpose of the present invention and other purpose and each feature fully.
By following explanation and accompanying drawing, can also be expressly understood the advantage of further feature of the present invention simultaneously.
Description of drawings
Figure 1 shows that the calcspar of conventional refrigeration;
Figure 2 shows that the calcspar that has adopted bypass to cross the refrigeration system of refrigeration technique;
Figure 3 shows that the schematic diagram of first embodiment of the invention principle, wherein shunt the cold-producing medium and the main refrigerant flow path concurrent over-heat-exchanger of coming out;
The calcspar of one embodiment of the invention shown in Figure 4, it is similar to Fig. 3, and difference is wherein pressure reduction between main refrigerant flow path and the bypass line to be compensated;
Figure 5 shows that the schematic diagram of second embodiment of the invention principle, wherein shunt the cold-producing medium and the main refrigerant flow path reverse flow over-heat-exchanger of coming out;
Figure 6 shows that the calcspar of a refrigeration system, it is similar to Fig. 2, and what just wherein adopt is bypass line shown in Figure 5.
Identical Reference numeral is represented similar parts in the accompanying drawing.
The specific embodiment
Clearer for what illustrate, can think that Fig. 2 has represented disclosed various refrigeration system and the heat pumps that adopted bypass to cross refrigeration technique in 424 applications.In the present invention, the parts that include bypass line 27 are replaced by an integrated morphology, and this integrated morphology is used for finishing all functions that are substituted parts.A kind of structure that comes to this shown in Figure 3.
Here, subcooler 40 is made of interior pipe 42 and concentric outer tube 44.The upstream extremity 46 of interior pipe 42 links to each other (referring to Fig. 2) with the exit of condenser 14, and its downstream 48 links to each other with the inlet of main expansion gear 16.Therefore, interior pipe 42 has just replaced the pipeline that main refrigerant flows through bypass heat exchanger 22.
Come referring to Fig. 3, outer tube 44 has blind end 52 and 54 again, and blind end 52 and 54 has opening 56 and 58 respectively so that manage 42 in holding.Thereby opening 56 and 58 is suitable for linking to each other with the two ends 46 of interior pipe 42 and 48 sealings and prevents that cold-producing medium from spilling, and this point will be described below.Said structure has just formed a leakproof chamber 60 that is holding interior pipe 42 thus.
In communicate by an aperture 64 on interior pipe 42 upstream extremities 46 between pipe 42 inside 62 and the cavity 60.Aperture 64 should make it be used as dimensionally and leave the expansion joint discharge orifice that condenser 14 flows into this part cold-producing medium of interior pipe 42.The downstream of outer tube 44 has second aperture 66 that makes it to communicate with outlet 68.Return Fig. 2, this moment, cavity 60 just replaced the pipeline that cooling agent flows through bypass heat exchanger 22.
Still referring to Fig. 2, shown in the system, the cold-producing medium in the bypass line that leaves heat exchanger 22 and leave between the cold-producing medium of evaporimeter 18 and have a pressure reduction.Therefore need to adopt PDAD 38 that the tapped refrigerant in the bypass line 27 is turned back in the compressor 12 with the refrigerant mixed of leaving evaporimeter again.The structure of several PDAD38 is disclosed in 424 applications.
Yet as shown in Figure 4, the present invention can be integrated into the PDAD function in the bypass supercooling apparatus.Here, liquid outlet 70 should make dimensionally and leave pressure drop of cold-producing medium formation that cavity 60 flows into return duct 68.The size of liquid outlet 70 should make the pressure substantially the same with the pressure of the cold-producing medium that leaves evaporimeter 18 (referring to Fig. 2) of return duct 68 inner refrigerants.Thus, liquid outlet 70 just can be used to finish the function of PDAD38.
In Fig. 3 and Fig. 4, inlet 64 layouts of cavity 60 are managed 42 upstream extremity within it.The liquid outlet 66 of cavity 60 and 70 downstream that are arranged in interior pipe 42.Thus, cold-producing medium is PARALLEL FLOW in heat exchanger, promptly is, the cold-producing medium that flows in interior pipe 42 and cavity 60 is a co-flow.
Yet, in the embodiment shown in fig. 5, the downstream 88 of pipe 84 in the inlet 80 of cavity 82 is arranged among the bypass supercooling apparatus 40a, the upstream extremity 90 of pipe 84 in liquid outlet 86 is arranged in simultaneously.Thus, concerning embodiment shown in Figure 5, heat exchanger is interior to be adverse current, i.e. cold-producing medium reverse flow in interior pipe 84 and cavity 82.The same with embodiment shown in Figure 4, make liquid outlet 86 have the function that suitable size just can realize PDAD 38.
Figure 6 shows that the situation when as shown in Figure 5 bypass supercooling apparatus is used in as shown in Figure 2 system.Here, the arrival end 90 of interior pipe 84 links to each other with the outlet of condenser 14b, and the port of export 88 of interior pipe 84 links to each other with the arrival end of expansion gear 16.The downstream 92 of heat exchange chamber 82 is connected on the return duct 96 by liquid outlet 80, thereby wherein return duct 96 is connected to back flow of refrigerant that the port of export of evaporimeter 18 in the primary flow path will shunting the comes out inlet to compressor 12.
More than in describing process of the present invention, for the sake of clarity adopted specific technology.Yet the present invention is not limited to specific term, and obviously each particular term has included all and finished the technological concept of said function in the same manner.
Equally, more than disclosed embodiment also be exemplary, in inventive concept of the present invention, those skilled in the art can also expect other change, replacement and embodiment apparently.Therefore, protection scope of the present invention only determined by claims, limits and can't help specification.
Claims (11)
1, a kind of supercooling apparatus that is used for heat transfer system, this supercooling apparatus adopts monoblock type integrated morphology, and it comprises:
The main refrigerant pipeline;
Main-inlet, the main refrigerant pipeline can be connected to the outlet of condenser in the main refrigeration pipe of refrigeration system by this main-inlet;
Primary outlet, the main refrigerant pipeline can be connected to the inlet of expansion gear in the main refrigeration pipe by this primary outlet:
Bypass line;
Second inlet, it will be diverted to the temperature and pressure that bypass line reduces institute's tapped refrigerant simultaneously from the part of refrigerant that condenser flow into supercooling apparatus in operation; And
Second outlet, bypass line can be connected to the main refrigeration pipe in evaporimeter downstream by second outlet,
Thereby this bypass line and the thermally coupled of main refrigerant pipeline form a heat exchanger, and this heat exchanger can pass to the cold-producing medium of heat from the main refrigerant pipeline cold-producing medium in the bypass line in operation.
2, supercooling apparatus as claimed in claim 1, second outlet wherein, it further provides pressure difference compensation with respect to the cold-producing medium in the main refrigeration pipe for the cold-producing medium in the bypass line as the part of integrated morphology.
3, as the supercooling apparatus of claim 1 or 2, wherein:
Main refrigeration pipe comprises first pipeline that can be connected between condensator outlet and the expansion device inlet;
Bypass line comprises second pipeline that holds first pipeline, thereby and the end of this second pipeline outer wall that is sealably coupled to first pipeline form a cavity that holds first pipeline; And
Second inlet comprises an aperture that first pipeline is connected with the upstream extremity of second pipeline;
Thus, when cold-producing medium flow through first and second pipelines, cold-producing medium colder relatively in second pipeline just relatively absorbed heat the cold-producing medium of heat in first pipeline.
4, supercooling apparatus as claimed in claim 3, second outlet wherein comprises an aperture, and this aperture is arranged in the downstream of second pipeline, and it can be connected with the main refrigerant pipeline.
5, as the supercooling apparatus of claim 3 or 4, wherein second outlet makes the cold-producing medium that therefrom flows through produce pressure drop.
6, as the supercooling apparatus of claim 4 or 5, wherein second inlet is arranged in the upstream extremity of first pipeline, and second outlet simultaneously is arranged in the downstream of first pipeline.
7, as the supercooling apparatus of claim 4 or 5, wherein second inlet is arranged in the downstream of first pipeline, and second outlet simultaneously is arranged in the upstream extremity of first pipeline.
8, a kind of heat transfer system, it comprises:
Main refrigeration pipe, it comprises compressor, condenser, expansion gear and evaporimeter, these parts couple together and form a closed circuit system that supplies cold-producing medium to circulate therein; And
One as the described supercooling apparatus of one of claim 1-7, wherein:
Main-inlet links to each other with an outlet of condenser;
Primary outlet links to each other with an inlet of main expansion gear; And
Second outlet on connecting with the back flow of refrigerant of shunting in the main refrigeration pipe in evaporimeter downstream.
9, a kind of supercooling apparatus that is used for heat transfer system, it comprises an overall structure, this structure comprises:
Inlet device, its a part of liquid refrigerant that is used for leaving in the main refrigeration pipe to refrigeration system condenser is shunted;
Expansion gear, it is used for to institute's tapped refrigerant decompression cooling;
Heat-exchange device, thus shunting is come out for it and the cold-producing medium of the main refrigeration pipe thermally coupled of a part from main refrigeration pipe in the cold-producing medium of the cooling of reducing pressure and condenser downstream taken enough heats away and be enough to provide cold; And
Outlet device, it links to each other with heat-exchange device so that in the main refrigeration pipe in the back flow of refrigerant that shunting is come out evaporimeter downstream in the main refrigeration pipe.
10, device as claimed in claim 9, outlet device wherein reduces pressure cold-producing medium in operation when flowing through wherein.
11, a kind of heat transfer system, it comprises:
Main refrigeration pipe, it comprises compressor, condenser, expansion gear and evaporimeter, these parts couple together and form a closed circuit system that supplies cold-producing medium to circulate therein; And
One as claim 9 or 10 described supercooling apparatus, wherein:
Inlet device links to each other with an outlet of condenser; And
Outlet device on connecting with the back flow of refrigerant of shunting in the main refrigeration pipe in evaporimeter downstream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45135603P | 2003-02-28 | 2003-02-28 | |
| US60/451,356 | 2003-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1764810A true CN1764810A (en) | 2006-04-26 |
Family
ID=32962586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800055225A Pending CN1764810A (en) | 2003-02-28 | 2004-02-25 | Refrigeration system having an integrated bypass system |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070039351A1 (en) |
| EP (1) | EP1597526A2 (en) |
| JP (1) | JP2006519350A (en) |
| KR (1) | KR100764926B1 (en) |
| CN (1) | CN1764810A (en) |
| WO (1) | WO2004079279A2 (en) |
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| CN106225273A (en) * | 2016-07-29 | 2016-12-14 | 青岛海尔特种电冰柜有限公司 | Cooling cycle system and refrigeration plant |
| CN113982717A (en) * | 2021-09-01 | 2022-01-28 | 江苏江航智飞机发动机部件研究院有限公司 | Accelerated cooling oil slide pipe of helicopter engine |
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| KR101251048B1 (en) * | 2010-12-06 | 2013-04-05 | 기아자동차주식회사 | Liquefied-Petroleum-Injection System for vehicle |
| JP2013189179A (en) * | 2012-02-15 | 2013-09-26 | Sanden Corp | Vehicle air conditioner |
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- 2004-02-25 KR KR1020057015722A patent/KR100764926B1/en not_active IP Right Cessation
- 2004-02-25 EP EP04714662A patent/EP1597526A2/en active Pending
- 2004-02-25 CN CNA2004800055225A patent/CN1764810A/en active Pending
- 2004-02-25 US US10/547,043 patent/US20070039351A1/en not_active Abandoned
- 2004-02-25 JP JP2006501196A patent/JP2006519350A/en active Pending
- 2004-02-25 WO PCT/US2004/005721 patent/WO2004079279A2/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118375A (en) * | 2013-04-25 | 2014-10-29 | 曼卡车和巴士股份公司 | Pipeline system used for motor vehicle |
| CN104118375B (en) * | 2013-04-25 | 2018-06-22 | 曼卡车和巴士股份公司 | For the pipe-line system of motor vehicles |
| CN106225273A (en) * | 2016-07-29 | 2016-12-14 | 青岛海尔特种电冰柜有限公司 | Cooling cycle system and refrigeration plant |
| CN113982717A (en) * | 2021-09-01 | 2022-01-28 | 江苏江航智飞机发动机部件研究院有限公司 | Accelerated cooling oil slide pipe of helicopter engine |
| CN113982717B (en) * | 2021-09-01 | 2023-11-14 | 江苏江航智飞机发动机部件研究院有限公司 | Accelerated cooling lubricating oil pipe of helicopter engine |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070039351A1 (en) | 2007-02-22 |
| EP1597526A2 (en) | 2005-11-23 |
| KR100764926B1 (en) | 2007-10-09 |
| KR20050121201A (en) | 2005-12-26 |
| JP2006519350A (en) | 2006-08-24 |
| WO2004079279A3 (en) | 2004-12-29 |
| WO2004079279A2 (en) | 2004-09-16 |
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