CN104180504A - Multistage buffer type noise damper with arc plate - Google Patents
Multistage buffer type noise damper with arc plate Download PDFInfo
- Publication number
- CN104180504A CN104180504A CN201410398971.6A CN201410398971A CN104180504A CN 104180504 A CN104180504 A CN 104180504A CN 201410398971 A CN201410398971 A CN 201410398971A CN 104180504 A CN104180504 A CN 104180504A
- Authority
- CN
- China
- Prior art keywords
- low
- voltage tube
- pressure pipe
- export
- pressure
- 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
Abstract
The invention relates to the technical field of automobiles, in particular to a multistage buffer type noise damper with an arc plate. The noise damper comprises a low-pressure pipe and a high-pressure pipe which are arranged into a same-axis pipe sleeving structure, wherein the low-pressure pipe is mounted inside the high-pressure pipe in a sleeving manner; one end of the low-pressure end is the air inlet end of the low-pressure pipe, and the other end of the low-pressure pipe is the outlet end of the low-pressure pipe; the outlet end of the high-pressure pipe is arranged at the periphery of one end of the high-pressure pipe, and the outlet end of the high-pressure end is arranged at the other end of the high-pressure pipe; a cavity is formed between the low-pressure pipe and the high-pressure pipe; porous damping plates and buffering plates are arranged inside the cavity; porous damping absorbing plates and asbestos absorbing filtering buffer plates which are crossed and alternated are arranged inside the low-pressure pipe; sealing locking rings are arranged at the two ends of the high-pressure pipe, and sleeve the outer wall of the low-pressure pipe. According to the invention, the noise damper reduces the flowing noise of a refrigerant in a refrigeration pipeline, increases the energy efficiency ratio of an air conditioner system by 5-24% through the heat exchange between high-pressure liquid and low-pressure gas, and remarkably improves the refrigeration performance of an air conditioner, thereby having wide application prospect.
Description
Technical field
The present invention relates to automobile technical field, particularly a kind of combined pipeline formula air conditioning for automobiles Multi-stage buffer type muffler with hot-swap feature.
Background technology
Along with the development of auto manufacturing technology, consumer not only more focuses on economy and the power performance of vehicle, also aspect ride comfort, has higher requirement simultaneously.Automotive air-conditioning system is one of crucial assembly embodying car load NVH characteristic, and eliminating car air conditioner refrigerant circulation line noise and improving air-conditioning work efficiency is that present stage this domain engineering technical staff endeavours the problem solving.Along with the development of auto manufacturing technology, consumer not only more focuses on economy and the power performance of vehicle, also aspect ride comfort, has higher requirement simultaneously.Automotive air-conditioning system is one of crucial assembly embodying car load NVH characteristic, and eliminating car air conditioner refrigerant circulation line noise and improving air-conditioning work efficiency is that present stage this domain engineering technical staff endeavours the problem solving.
At present, there are two kinds of solutions for the problems referred to above, the one, adopt muffler technology to eliminate Air-conditioning Cycle pipeline noise, the 2nd, realize the exchange heat between different conditions air-conditioning refrigerant by heat exchange sleeve, to improve the performance of air-conditioning.But they need be realized by two separate covering devices the improvement of heat pump performance, exist complex structure, be unfavorable for the disadvantage of arrangement.At present, there are two kinds of solutions for the problems referred to above, the one, adopt muffler technology to eliminate Air-conditioning Cycle pipeline noise, the 2nd, realize the exchange heat between different conditions air-conditioning refrigerant by heat exchange sleeve, to improve the performance of air-conditioning.But they need be realized by two separate covering devices the improvement of heat pump performance, exist complex structure, be unfavorable for the disadvantage of arrangement.
Summary of the invention
Goal of the invention of the present invention is: the problem existing for prior art, provides a kind of combined pipeline formula air conditioning for automobiles Multi-stage buffer type muffler with hot-swap feature.
To achieve these goals, the technical solution used in the present invention is: with the Multi-stage buffer type muffler of arc, it comprises low-voltage tube and high-voltage tube, described low-voltage tube and high-voltage tube are concentric sleeve structure, low-voltage tube is sleeved in high-voltage tube, one end of low-voltage tube is low-voltage tube entrance point, the other end is the low-voltage tube port of export, the periphery, one end of high-voltage tube is provided with the high-voltage tube port of export, the other end is provided with the high-pressure side port of export, between low-voltage tube and high-voltage tube, form a cavity, in cavity, be provided with length, short delivery is pitched alternate porous damping sheet and buffer board, described low-voltage tube inside is provided with intersection alternate porous damping baffle and asbestos absorbing and filtering buffer board, the two ends of described high-voltage tube are provided with dense block collar, dense block collar is set on the outer wall of low-voltage tube, in described low-voltage tube, be provided with arc, described porous damping baffle and asbestos absorbing and filtering buffer board are between two arcs,
Described low-voltage tube entrance point interface outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube, porous damping baffle and the modulation of asbestos absorbing and filtering buffer board under, pneumatic noise reduces;
Described high-pressure side port of export outlet is connected with air-conditioning condenser, the high-voltage tube port of export is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube, and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under the modulation of porous damping sheet, pneumatic noise reduces.
In described high-voltage tube, the flow direction of air-conditioning refrigerant is contrary with the flow direction of air-conditioning refrigerant in low-voltage tube.
The uniform aperture of porous damping baffle of described low-voltage tube inside, hole diameter is 2-4mm, quantity 16-20.
Uniform aperture on the porous damping sheet of described inner chamber inside, hole diameter is 1-3mm, quantity is 12-16.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
The cold-producing medium that flows into low-voltage tube in the present invention is low-temp low-pressure gaseous state, cold-producing medium is porous damping baffle and asbestos absorbing and filtering buffer board in concentric tube part is flowed through low-voltage tube, change and acoustic energy is converted into potential energy in this stage refrigerant volume, then flowing into the air entry of compressor of air conditioner; Meanwhile, middle temperature high pressure liquid refrigerant is from condensator outlet flow through high-voltage tube porous damping sheet and buffer board, change and acoustic energy is converted into potential energy in this stage refrigerant volume, simultaneously with in low-voltage tube, flow to contrary low-pressure low-temperature gaseous refrigerant and carry out heat exchange, then the expansion valve of flowing through, enters the entrance of evaporimeter.The present invention has not only reduced the hydrodynamic noise of cold-producing medium in refrigeration pipe, simultaneously by the exchange heat of highly pressurised liquid and low-pressure gas, makes the Energy Efficiency Ratio of air-conditioning system improve 5 ~ 24%, has significantly improved the refrigeration performance of air-conditioning, is with a wide range of applications.
Brief description of the drawings
Fig. 1 is the structural representation of the Multi-stage buffer type muffler of band arc of the present invention.
Mark in figure: 1-low-voltage tube entrance point, 2-low-voltage tube, 3-high-voltage tube, 4-buffer board, 5-porous damping sheet, the 6-low-voltage tube port of export, the 7-high-pressure side port of export, 8-asbestos absorbing and filtering buffer board, 9-porous damping baffle, the 10-high-voltage tube port of export, 11-cavity, the collar of 12-dense block, 13-arc.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
embodiment 1
With the Multi-stage buffer type muffler of arc, it comprises low-voltage tube 2 and high-voltage tube 3, described low-voltage tube 2 and high-voltage tube 3 are concentric sleeve structure, low-voltage tube 2 is sleeved in high-voltage tube 3, one end of low-voltage tube 2 is low-voltage tube entrance point 1, the other end is the low-voltage tube port of export 6, the periphery, one end of high-voltage tube 3 is provided with the high-voltage tube port of export 10, the other end is provided with the high-pressure side port of export 7, between low-voltage tube 2 and high-voltage tube 3, form a cavity 11, in cavity 11, be provided with length, short delivery is pitched alternate porous damping sheet 5 and buffer board 4, described low-voltage tube 2 inside are provided with intersection alternate porous damping baffle 9 and asbestos absorbing and filtering buffer board 8, the two ends of described high-voltage tube 3 are provided with dense block collar 12, dense block collar 12 is set on the outer wall of low-voltage tube 2, in described low-voltage tube 2, be provided with arc 13, described porous damping baffle 9 and asbestos absorbing and filtering buffer board 8 are between two arcs 13,
Described low-voltage tube entrance point interface 1 outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface 6 is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube 2, porous damping baffle 9 and the modulation of asbestos absorbing and filtering buffer board 8 under, pneumatic noise reduces;
The described high-pressure side port of export 7 outlets are connected with air-conditioning condenser, the high-voltage tube port of export 10 is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube 2, and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under 5 modulation of porous damping sheet, pneumatic noise reduces.
embodiment 2
With the Multi-stage buffer type muffler of arc, it comprises low-voltage tube 2 and high-voltage tube 3, described low-voltage tube 2 and high-voltage tube 3 are concentric sleeve structure, low-voltage tube 2 is sleeved in high-voltage tube 3, one end of low-voltage tube 2 is low-voltage tube entrance point 1, the other end is the low-voltage tube port of export 6, the periphery, one end of high-voltage tube 3 is provided with the high-voltage tube port of export 10, the other end is provided with the high-pressure side port of export 7, between low-voltage tube 2 and high-voltage tube 3, form a cavity 11, in cavity 11, be provided with length, short delivery is pitched alternate porous damping sheet 5 and buffer board 4, described low-voltage tube 2 inside are provided with intersection alternate porous damping baffle 9 and asbestos absorbing and filtering buffer board 8, the two ends of described high-voltage tube 3 are provided with dense block collar 12, dense block collar 12 is set on the outer wall of low-voltage tube 2, in described low-voltage tube 2, be provided with arc 13, described porous damping baffle 9 and asbestos absorbing and filtering buffer board 8 are between two arcs 13,
Described low-voltage tube entrance point interface 1 outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface 6 is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube 2, porous damping baffle 9 and the modulation of asbestos absorbing and filtering buffer board 8 under, pneumatic noise reduces;
The described high-pressure side port of export 7 outlets are connected with air-conditioning condenser, the high-voltage tube port of export 10 is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube 2, and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under 5 modulation of porous damping sheet, pneumatic noise reduces.
The flow direction of described high-voltage tube 3 interior air-conditioning refrigerants is contrary with the flow direction of low-voltage tube 2 interior air-conditioning refrigerants.
embodiment 3
With the Multi-stage buffer type muffler of arc, it comprises low-voltage tube 2 and high-voltage tube 3, described low-voltage tube 2 and high-voltage tube 3 are concentric sleeve structure, low-voltage tube 2 is sleeved in high-voltage tube 3, one end of low-voltage tube 2 is low-voltage tube entrance point 1, the other end is the low-voltage tube port of export 6, the periphery, one end of high-voltage tube 3 is provided with the high-voltage tube port of export 10, the other end is provided with the high-pressure side port of export 7, between low-voltage tube 2 and high-voltage tube 3, form a cavity 11, in cavity 11, be provided with length, short delivery is pitched alternate porous damping sheet 5 and buffer board 4, described low-voltage tube 2 inside are provided with intersection alternate porous damping baffle 9 and asbestos absorbing and filtering buffer board 8, the two ends of described high-voltage tube 3 are provided with dense block collar 12, dense block collar 12 is set on the outer wall of low-voltage tube 2, in described low-voltage tube 2, be provided with arc 13, described porous damping baffle 9 and asbestos absorbing and filtering buffer board 8 are between two arcs 13,
Described low-voltage tube entrance point interface 1 outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface 6 is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube 2, porous damping baffle 9 and the modulation of asbestos absorbing and filtering buffer board 8 under, pneumatic noise reduces;
The described high-pressure side port of export 7 outlets are connected with air-conditioning condenser, the high-voltage tube port of export 10 is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube 2, and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under 5 modulation of porous damping sheet, pneumatic noise reduces.
The flow direction of described high-voltage tube 3 interior air-conditioning refrigerants is contrary with the flow direction of low-voltage tube 2 interior air-conditioning refrigerants.
The porous damping baffle 9 uniform apertures of described low-voltage tube 2 inside, hole diameter is 2-4mm, quantity 16-20.
embodiment 4
With the Multi-stage buffer type muffler of arc, it comprises low-voltage tube 2 and high-voltage tube 3, described low-voltage tube 2 and high-voltage tube 3 are concentric sleeve structure, low-voltage tube 2 is sleeved in high-voltage tube 3, one end of low-voltage tube 2 is low-voltage tube entrance point 1, the other end is the low-voltage tube port of export 6, the periphery, one end of high-voltage tube 3 is provided with the high-voltage tube port of export 10, the other end is provided with the high-pressure side port of export 7, between low-voltage tube 2 and high-voltage tube 3, form a cavity 11, in cavity 11, be provided with length, short delivery is pitched alternate porous damping sheet 5 and buffer board 4, described low-voltage tube 2 inside are provided with intersection alternate porous damping baffle 9 and asbestos absorbing and filtering buffer board 8, the two ends of described high-voltage tube 3 are provided with dense block collar 12, dense block collar 12 is set on the outer wall of low-voltage tube 2, in described low-voltage tube 2, be provided with arc 13, described porous damping baffle 9 and asbestos absorbing and filtering buffer board 8 are between two arcs 13,
Described low-voltage tube entrance point interface 1 outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface 6 is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube 2, porous damping baffle 9 and the modulation of asbestos absorbing and filtering buffer board 8 under, pneumatic noise reduces;
The described high-pressure side port of export 7 outlets are connected with air-conditioning condenser, the high-voltage tube port of export 10 is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube 2, and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under 5 modulation of porous damping sheet, pneumatic noise reduces.
The flow direction of described high-voltage tube 3 interior air-conditioning refrigerants is contrary with the flow direction of low-voltage tube 2 interior air-conditioning refrigerants.
The porous damping baffle 9 uniform apertures of described low-voltage tube 2 inside, hole diameter is 2-4mm, quantity 16-20.
Uniform aperture on the porous damping sheet 5 of described inner chamber 11 inside, hole diameter is 1-3mm, quantity is 12-16.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. the Multi-stage buffer type muffler with arc, it is characterized in that, it comprises low-voltage tube (2) and high-voltage tube (3), described low-voltage tube (2) and high-voltage tube (3) are concentric sleeve structure, low-voltage tube (2) is sleeved in high-voltage tube (3), one end of low-voltage tube (2) is low-voltage tube entrance point (1), the other end is the low-voltage tube port of export (6), the periphery, one end of high-voltage tube (3) is provided with the high-voltage tube port of export (10), the other end is provided with the high-pressure side port of export (7), between low-voltage tube (2) and high-voltage tube (3), form a cavity (11), cavity is provided with length in (11), short delivery is pitched alternate porous damping sheet (5) and buffer board (4), described low-voltage tube (2) inside is provided with intersection alternate porous damping baffle (9) and asbestos absorbing and filtering buffer board (8), the two ends of described high-voltage tube (3) are provided with dense block collar (12), dense block collar (12) is set on the outer wall of low-voltage tube (2), in described low-voltage tube (2), be provided with arc (13), described porous damping baffle (9) and asbestos absorbing and filtering buffer board (8) are positioned between two arcs (13),
Described low-voltage tube entrance point interface (1) outlet is connected with the expansion valve of air-conditioning, low-voltage tube port of export interface (6) is connected with compressor air suction mouth, the low-temp low-pressure gaseous refrigerant being flowed out by expansion valve outlet enters compressor air suction mouth through low-voltage tube (2), porous damping baffle (9) and the modulation of asbestos absorbing and filtering buffer board (8) under, pneumatic noise reduces;
The described high-pressure side port of export (7) outlet is connected with air-conditioning condenser, the high-voltage tube port of export (10) is connected with expansion valve import, the middle temperature high pressure liquid refrigerant being flowed out by condensator outlet is through high-voltage tube (2), and with low-voltage tube in low-temp low-pressure gaseous refrigerant carry out after heat exchange, enter expansion valve import, under porous damping sheet (5) modulation, pneumatic noise reduces.
2. combined pipeline formula air conditioner muffler according to claim 1, is characterized in that, the flow direction of the interior air-conditioning refrigerant of described high-voltage tube (3) is contrary with the flow direction of the interior air-conditioning refrigerant of low-voltage tube (2).
3. the Multi-stage buffer type muffler with arc according to claim 2, is characterized in that, the uniform aperture of porous damping baffle (9) that described low-voltage tube (2) is inner, and hole diameter is 2-4mm, quantity 16-20.
4. the Multi-stage buffer type muffler with arc according to claim 3, is characterized in that, the upper uniform aperture of porous damping sheet (5) that described inner chamber (11) is inner, and hole diameter is 1-3mm, quantity is 12-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398971.6A CN104180504A (en) | 2014-08-14 | 2014-08-14 | Multistage buffer type noise damper with arc plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398971.6A CN104180504A (en) | 2014-08-14 | 2014-08-14 | Multistage buffer type noise damper with arc plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104180504A true CN104180504A (en) | 2014-12-03 |
Family
ID=51961725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398971.6A Pending CN104180504A (en) | 2014-08-14 | 2014-08-14 | Multistage buffer type noise damper with arc plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104180504A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674132A (en) * | 2018-05-24 | 2018-10-19 | 文丹 | A kind of new-energy automotive air-conditioning refrigeration pipeline muffler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192404A (en) * | 1977-05-25 | 1980-03-11 | Honda Giken Kogyo Kabushiki Kaisha | Muffler for internal combustion engines |
| CN2468788Y (en) * | 2001-02-27 | 2002-01-02 | 上海易初通用机器有限公司 | Noise siliencer for refrigeration medicium pipeline for automobile air-conditioning system |
| CN1467440A (en) * | 2002-06-12 | 2004-01-14 | Lg电子株式会社 | Heating/cooling system used in air conditioner |
| CN102645012A (en) * | 2012-04-28 | 2012-08-22 | 长城汽车股份有限公司 | Combined pipeline type air conditioning silencer |
| CN102759186A (en) * | 2012-07-16 | 2012-10-31 | 长城汽车股份有限公司 | Device for reducing noise of vehicle air conditioner air duct and vehicle air conditioner air duct using same |
| CN203628984U (en) * | 2013-10-30 | 2014-06-04 | 长城汽车股份有限公司 | Muffler of automobile air-conditioning pipeline |
-
2014
- 2014-08-14 CN CN201410398971.6A patent/CN104180504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192404A (en) * | 1977-05-25 | 1980-03-11 | Honda Giken Kogyo Kabushiki Kaisha | Muffler for internal combustion engines |
| CN2468788Y (en) * | 2001-02-27 | 2002-01-02 | 上海易初通用机器有限公司 | Noise siliencer for refrigeration medicium pipeline for automobile air-conditioning system |
| CN1467440A (en) * | 2002-06-12 | 2004-01-14 | Lg电子株式会社 | Heating/cooling system used in air conditioner |
| CN102645012A (en) * | 2012-04-28 | 2012-08-22 | 长城汽车股份有限公司 | Combined pipeline type air conditioning silencer |
| CN102759186A (en) * | 2012-07-16 | 2012-10-31 | 长城汽车股份有限公司 | Device for reducing noise of vehicle air conditioner air duct and vehicle air conditioner air duct using same |
| CN203628984U (en) * | 2013-10-30 | 2014-06-04 | 长城汽车股份有限公司 | Muffler of automobile air-conditioning pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 曹德胜: "《制冷空调系统的安全运行、维护管理及节能环保》", 31 December 2003, 中国电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674132A (en) * | 2018-05-24 | 2018-10-19 | 文丹 | A kind of new-energy automotive air-conditioning refrigeration pipeline muffler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201724482U (en) | Refrigerant gas-liquid separation and liquid storage integrated device and air-conditioning system using refrigerant gas-liquid separation and liquid storage integrated device | |
| CN102645012B (en) | Combined pipeline type air conditioning silencer | |
| CN102242992B (en) | Integration device for refrigerant vapor-liquid separation and liquid storage and air-conditioning system using same | |
| CN105299976A (en) | Filter and air conditioner with same | |
| CN107128147B (en) | Coaxial pipe and air conditioning system with same | |
| CN103090471B (en) | Air-conditioner | |
| CN202252355U (en) | Nylon pipe clamp for automotive air conditioning pipe | |
| CN203375571U (en) | Outdoor unit piping structure of air conditioner and air conditioner | |
| CN104180505A (en) | Multistage buffer type noise damper | |
| CN101619884A (en) | Air-conditioner condensed water recycling device and air-conditioner refrigerating system | |
| CN104180504A (en) | Multistage buffer type noise damper with arc plate | |
| KR20130055104A (en) | Air conditioner pipe for vehicle | |
| CN104154643A (en) | Novel multi-stage buffering type silencer | |
| CN104456731A (en) | Multi-split air conditioner | |
| CN216592327U (en) | Coil pipe microchannel heat exchanger and air conditioner | |
| CN101788236A (en) | Composite energy-saving vehicle heat-exchanger | |
| CN103383169A (en) | Air conditioning system using engine waste heat | |
| CN114198946A (en) | Coil pipe micro-channel heat exchanger and air conditioner | |
| CN103673402B (en) | A kind of shrinkage type interchanger | |
| CN105135758A (en) | Automobile air conditioner pipeline | |
| CN203629151U (en) | Air-conditioning condenser for vehicles | |
| CN203572110U (en) | Air conditioning system | |
| CN102897000B (en) | A kind of automotive air-conditioning system and automobile | |
| CN205014485U (en) | Split type floor type air conditioner | |
| CN204513847U (en) | A kind of air conditioning hot connects for device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |