CN105946502A - Silencing pipe assembly for air conditioner and electric automobile with same - Google Patents
Silencing pipe assembly for air conditioner and electric automobile with same Download PDFInfo
- Publication number
- CN105946502A CN105946502A CN201610285688.1A CN201610285688A CN105946502A CN 105946502 A CN105946502 A CN 105946502A CN 201610285688 A CN201610285688 A CN 201610285688A CN 105946502 A CN105946502 A CN 105946502A
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- air
- conditioning
- noise reduction
- refrigerant
- 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.)
- Granted
Links
- 230000030279 gene silencing Effects 0.000 title abstract 5
- 239000003507 refrigerant Substances 0.000 claims abstract description 54
- 230000009467 reduction Effects 0.000 claims abstract description 40
- 238000004378 air conditioning Methods 0.000 claims description 45
- 230000008676 import Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004781 supercooling Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
-
- 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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/006—Noise reduction
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a hush pipe assembly for an air conditioner and an electric vehicle with the hush pipe assembly, wherein the hush pipe assembly comprises: a low pressure tube having a first refrigerant inlet and a first refrigerant outlet; and the high-pressure pipe is provided with a second refrigerant inlet and a second refrigerant outlet, the high-pressure pipe is sleeved outside the low-pressure pipe, the high-pressure pipe is provided with a main pipe section and a silencing pipe section which are mutually connected, and the inner diameter of the silencing pipe section is larger than that of the main pipe section. According to the silencing pipe assembly for the air conditioner, the arrangement is compact, the supercooling degree and the superheat degree in the air conditioner can be adjusted conveniently, and better silencing and noise reduction effects are achieved.
Description
Technical field
The present invention relates to electric vehicle engineering field, in particular to a kind of hush pipe assembly for air-conditioning and have
Its electric automobile.
Background technology
In air conditioning for automobiles, due to air conditioning system structure relative compact, performance requirement is high, thereby increases and it is possible to by heat various in car
Source affects, and its system degree of supercooling, the degree of superheat are highly susceptible to affect accordingly under real vehicle environment and finally weaken heat pump performance.
Continuous pulsation produced by compressor air-discharging can cause calculation for pipelines system of compressor (mainly acting on exhaustor) to produce vibration simultaneously
And noise, time serious, possible incoming driver's cabin, affects passenger's comfortableness.
In view of the high intense requirement of automotive environment, need to carry out supercool with certain structure or equipment to air conditioning for automobiles high-low pressure section
The regulation of degree, the degree of superheat, weakens the pulse energy in pipeline simultaneously.This structural requirement is efficiently and compact structure, highly integrated.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention proposes one
Plant characteristics of compact layout, good muffling effect, system degree of supercooling and the hush pipe group for air-conditioning of degree of superheat regulation performance can be optimized
Part.
The invention allows for a kind of electric automobile with this hush pipe assembly.
The hush pipe assembly for air-conditioning of embodiment includes according to a first aspect of the present invention: low-voltage tube, and described low-voltage tube has
First refrigerant inlet and the first refrigerant outlet；And high-voltage tube, described high-voltage tube has second refrigerant import and the second system
Cryogen exports, and described high-voltage tube is set in outside described low-voltage tube, and described high-voltage tube has main body pipeline section and the noise reduction of interconnection
Pipeline section, the internal diameter of described noise reduction pipeline section is more than the internal diameter of described main body pipeline section.
The hush pipe assembly for air-conditioning according to embodiments of the present invention, not only characteristics of compact layout, it is simple to degree of supercooling and mistake in air-conditioning
The regulation of temperature, and there is more preferable sound-deadening and noise-reducing effect.
Alternatively, the number of described noise reduction pipeline section is that multiple and the plurality of noise reduction pipeline section is coaxially disposed with described main body pipeline section.
Alternatively, the number of described noise reduction pipeline section is N number of, and the number of described main body pipeline section is N-1, and described main body pipeline section is even
Being connected between adjacent two noise reduction pipeline section, described second refrigerant import and second refrigerant outlet are respectively formed at and are positioned at
On two noise reduction pipeline sections of outer end, wherein N is the natural number more than 1.
Alternatively, described high-voltage tube also include relative to described main body pipeline section biasing entrance pipeline section and discharge pipeline section, described in enter
Enter pipeline section to be connected with in two noise reduction pipeline sections of outermost end, in two noise reduction pipeline sections of described discharge pipeline section and outermost end
Another connect, described second refrigerant import is formed on described entrance pipeline section, described second refrigerant outlet be formed at
On described discharge pipeline section.
Alternatively, described entrance pipeline section is consistent with the internal diameter of described discharge pipeline section, the internal diameter of described entrance pipeline section be described in disappear
0.2-0.4 times of the internal diameter of sound tube section.
Alternatively, described entrance pipeline section is centrosymmetric relative to described the central axial of main body pipeline section with described discharge pipeline section.
Alternatively, the internal diameter of described noise reduction pipeline section is 1.5-2 times of internal diameter of described main body pipeline section.
Alternatively, described first refrigerant inlet is for being connected with the compressor inlet of air-conditioning, and described first refrigerant outlet is used
Be connected in the evaporator outlet with air-conditioning, described second refrigerant import for being connected with the compressor outlet of air-conditioning, described the
Two refrigerant outlets are for being connected with the condenser inlet of air-conditioning.
The electric automobile of embodiment according to a second aspect of the present invention, including air conditioning system, described air conditioning system has above-mentioned enforcement
The hush pipe assembly for air-conditioning of example.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hush pipe assembly for air-conditioning according to embodiments of the present invention.
Fig. 2 is the refrigerant flow direction schematic diagram of the low-voltage tube of the hush pipe assembly for air-conditioning according to embodiments of the present invention.
Fig. 3 is the refrigerant flow direction schematic diagram of the high-voltage tube of the hush pipe assembly for air-conditioning according to embodiments of the present invention.
Reference:
Hush pipe assembly 100, low-voltage tube 10, the first refrigerant inlet 11, the first refrigerant outlet 12, high-voltage tube 20, second
Refrigerant inlet 21, second refrigerant outlet 22, main body pipeline section 23, noise reduction pipeline section 24, enter pipeline section 25, discharge pipeline section 26.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to accompanying drawing
The embodiment described is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
The hush pipe assembly 100 for air-conditioning according to embodiments of the present invention is described in detail referring to Fig. 1 to Fig. 3.
The hush pipe assembly 100 for air-conditioning of embodiment includes according to a first aspect of the present invention: low-voltage tube 10 and high-voltage tube 20.
Low-voltage tube 10 has the first refrigerant inlet 11 and the first refrigerant outlet 12, and high-voltage tube 20 has second refrigerant import 21 He
Second refrigerant outlet 22, high-voltage tube 20 is set in outside low-voltage tube 10, and high-voltage tube 20 has the main body pipeline section 2 of interconnection and disappears
Sound tube section 24, the internal diameter of noise reduction pipeline section 24 is more than the internal diameter of main body pipeline section 23.
The hush pipe assembly 100 for air-conditioning according to embodiments of the present invention, by being enclosed within outside high-voltage tube 20 on low-voltage tube 10,
And the caliber noise reduction pipeline section 24 more than main body pipeline section 23 is set on high-voltage tube 20, slow down pulses of refrigerant work so that combining to play
With, effectively reduce exhaust gas pulses, there is more preferable sound-deadening and noise-reducing effect；It is enclosed within outside high-voltage tube 20 on low-voltage tube 10 simultaneously,
Not only characteristics of compact layout, and owing to high-voltage tube 20 is mutually nested with low-voltage tube 10, mutually conduct heat, make the refrigeration in high-voltage tube 20
Agent continues heat release cooling in flow process, increases degree of supercooling, make low-voltage tube 10 inner refrigerant persistently absorb heat in flow process,
Increase the degree of superheat.It is easy to degree of supercooling and the regulation of the degree of superheat in air-conditioning.
According to some embodiments of the present invention, shown in Fig. 2 and Fig. 3, the number of noise reduction pipeline section 24 is multiple and multiple noise reductions
Pipeline section 24 is coaxially disposed with main body pipeline section 23.
Thus, after the cold-producing medium in high-voltage tube 20 flows through first noise reduction pipeline section 24, exhaust gas pulses is eased, and flows afterwards
To main body pipeline section 23, flowing to next noise reduction pipeline section 24 afterwards, exhaust gas pulses is alleviated further, finally makes cold-producing medium stream
Moving noise and pressure oscillation are through repeatedly noise reduction, and sound-deadening and noise-reducing effect is more preferable.Additionally, main body pipeline section 23 and noise reduction pipeline section 24
Interior high temperature refrigerant carries out heat exchange with the low-temperature refrigerant in low-voltage tube 10, plays regulation system overheat degree, degree of supercooling work
With.
But, the present invention is not limited to this, and such as, in further embodiments, the number of noise reduction pipeline section can also is that 1,
Thus it also is able to realize the alleviation to exhaust gas pulses.
In a specific embodiment, the number of noise reduction pipeline section 24 is N number of, and the number of main body pipeline section 23 is N-1, main body tube
Section 23 is connected between adjacent two noise reduction pipeline section 24, and second refrigerant import 21 and second refrigerant outlet 22 are formed respectively
On two the noise reduction pipeline sections 24 being positioned at outermost end, wherein N is the natural number more than 1.
Being appreciated that the present invention is not limited to this, noise reduction pipeline section 24, the number of main body pipeline section 23 can be 1, the second system
Cryogen import 21 and second refrigerant outlet 22 are respectively formed on the free end of noise reduction pipeline section 24 and main body pipeline section 23, the most also
Sound-deadening and noise-reducing and regulation degree of supercooling, the function of the degree of superheat can be taken into account.
In the specific embodiment shown in Fig. 1, high-voltage tube 20 also includes the entrance pipeline section 25 relative to main body pipeline section 23 biasing and row
Go out pipeline section 26, enter pipeline section 25 and be connected with in two noise reduction pipeline sections 24 of outermost end, discharge pipeline section 26 and outermost end
Another in two noise reduction pipeline sections 24 connects, and second refrigerant import 21 is formed on entrance pipeline section 25, and second refrigerant goes out
Mouth 22 is formed on discharge pipeline section 26.Thus, the setting entering pipeline section 25 and discharge pipeline section 26 of high-voltage tube 20 is not by low-voltage tube
The restriction of 10 positions, the refrigerant inlet of more convenient high-voltage tube 20, the layout of refrigerant outlet, and avoid because sealing not
The leakage of good caused high temperature refrigerant and low-temperature refrigerant, mix.
Preferably, enter pipeline section 25 consistent with the internal diameter discharging pipeline section 26, enter the internal diameter of pipeline section 25 for disappearing
0.2-0.4 times of the internal diameter of sound tube section 24.Alternatively, the internal diameter of noise reduction pipeline section 24 is 1.5-2 times of internal diameter of main body pipeline section 23.
Thus, the sound-deadening and noise-reducing effect of hush pipe assembly 100 is more preferable.
Alternatively, enter pipeline section 25 to be centrosymmetric relative to the central axial of main body pipeline section 23 with discharging pipeline section 26.Thus,
The cold-producing medium entered through entering pipeline section 25 just can flow through discharge pipeline section 26 after fully flowing and participate in heat exchange in high-voltage tube 20 sections
Go out, further increase the regulating power of degree of supercooling and the degree of superheat.
In certain embodiments, the first refrigerant inlet 11 is used for being connected with the compressor inlet of air-conditioning, the first refrigerant outlet
12 for being connected with the evaporator outlet of air-conditioning, and second refrigerant import 21 is used for being connected with the compressor outlet of air-conditioning, and second
Refrigerant outlet 22 is for being connected with the condenser inlet of air-conditioning.Thus, significantly reduce the exhaust pulses of air-conditioning, reduce
Compressor operating load, sound-deadening and noise-reducing effect is more notable.
The electric automobile of embodiment according to a second aspect of the present invention, including air conditioning system, air conditioning system has above-described embodiment
Hush pipe assembly 100 for air-conditioning.The electric automobile using this hush pipe assembly 100 has more preferable NVH performance.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ",
" width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ",
" level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " footpath
To ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or imply relatively important
Property or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " feature permissible
Express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two,
Such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.
For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or
It is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under
Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " tool
Body example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material
Material or feature are contained at least one embodiment or the example of the present invention.In this manual, the signal to above-mentioned term
Property statement be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (9)
1. the hush pipe assembly for air-conditioning, it is characterised in that including:
Low-voltage tube, described low-voltage tube has the first refrigerant inlet and the first refrigerant outlet；With
High-voltage tube, described high-voltage tube has second refrigerant import and second refrigerant outlet, and described high-voltage tube is set in described
Outside low-voltage tube, described high-voltage tube has interconnective main body pipeline section and noise reduction pipeline section, and the internal diameter of described noise reduction pipeline section is more than institute
State the internal diameter of main body pipeline section.
Hush pipe assembly for air-conditioning the most according to claim 1, it is characterised in that the number of described noise reduction pipeline section
It is coaxially disposed with described main body pipeline section for multiple and the plurality of noise reduction pipeline section.
Hush pipe assembly for air-conditioning the most according to claim 2, it is characterised in that the number of described noise reduction pipeline section
For N number of, the number of described main body pipeline section is N-1, and described main body pipeline section is connected between adjacent two noise reduction pipeline section, institute
Stating second refrigerant import and second refrigerant outlet is respectively formed on two the noise reduction pipeline sections being positioned at outermost end, wherein N is big
In the natural number of 1.
Hush pipe assembly for air-conditioning the most according to claim 3, it is characterised in that described high-voltage tube also includes phase
For entrance pipeline section and the discharge pipeline section of the biasing of described main body pipeline section, in two noise reduction pipeline sections of described entrance pipeline section and outermost end
A connection, described discharge pipeline section is connected with another in two noise reduction pipeline sections of outermost end, and described second refrigerant enters
Interruption-forming is on described entrance pipeline section, and the outlet of described second refrigerant is formed on described discharge pipeline section.
Hush pipe assembly for air-conditioning the most according to claim 4, it is characterised in that described entrance pipeline section is with described
The internal diameter discharging pipeline section is consistent, and the internal diameter of described entrance pipeline section is 0.2-0.4 times of the internal diameter of described noise reduction pipeline section.
Hush pipe assembly for air-conditioning the most according to claim 4, it is characterised in that described entrance pipeline section is with described
Discharge pipeline section to be centrosymmetric relative to described the central axial of main body pipeline section.
Hush pipe assembly for air-conditioning the most according to claim 1, it is characterised in that the internal diameter of described noise reduction pipeline section
For the internal diameter of described main body pipeline section 1.5-2 times.
8. according to the hush pipe assembly for air-conditioning according to any one of claim 1-7, it is characterised in that described first
Refrigerant inlet is for being connected with the compressor inlet of air-conditioning, and described first refrigerant outlet is for the evaporator outlet with air-conditioning
Connecting, described second refrigerant import is for being connected with the compressor outlet of air-conditioning, and the outlet of described second refrigerant is used for and sky
The condenser inlet adjusted connects.
9. an electric automobile, it is characterised in that include that air conditioning system, described air conditioning system have as in claim 1-8
The hush pipe assembly for air-conditioning described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285688.1A CN105946502B (en) | 2016-05-03 | 2016-05-03 | Silencing pipe assembly for air conditioner and electric automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285688.1A CN105946502B (en) | 2016-05-03 | 2016-05-03 | Silencing pipe assembly for air conditioner and electric automobile with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105946502A true CN105946502A (en) | 2016-09-21 |
| CN105946502B CN105946502B (en) | 2019-01-29 |
Family
ID=56913080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610285688.1A Expired - Fee Related CN105946502B (en) | 2016-05-03 | 2016-05-03 | Silencing pipe assembly for air conditioner and electric automobile with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105946502B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819653A (en) * | 2018-04-25 | 2018-11-16 | 奇瑞汽车股份有限公司 | Muffler and adjustable muffler model for the design typification muffler |
| CN109109607A (en) * | 2017-06-22 | 2019-01-01 | 马勒国际有限公司 | The sound arrester of air-conditioning system for motor vehicles |
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| JP2008151413A (en) * | 2006-12-18 | 2008-07-03 | Kumagai Gumi Co Ltd | Duct component |
| CN102575538A (en) * | 2009-10-16 | 2012-07-11 | Ti汽车工程中心（海德堡）有限公司 | Sound absorber for a pipe-shaped, cavity-forming body |
| CN102645012A (en) * | 2012-04-28 | 2012-08-22 | 长城汽车股份有限公司 | Combined pipeline type air conditioning silencer |
| CN203771653U (en) * | 2014-03-27 | 2014-08-13 | 广东志高暖通设备股份有限公司 | Silencer |
| CN104154643A (en) * | 2014-08-14 | 2014-11-19 | 崇州广益机械制造有限公司 | Novel multi-stage buffering type silencer |
| CN104180505A (en) * | 2014-08-14 | 2014-12-03 | 崇州广益机械制造有限公司 | Multistage buffer type noise damper |
| CN204063701U (en) * | 2014-08-08 | 2014-12-31 | 中科动力（福建）新能源汽车有限公司 | The electric automobile that a kind of air-conditioning low-voltage tube improves |
| CN204678633U (en) * | 2015-04-17 | 2015-09-30 | 浙江龙腾空调有限公司 | The coaxial automobile air-conditioning pipe of monoblock type |
-
2016
- 2016-05-03 CN CN201610285688.1A patent/CN105946502B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008151413A (en) * | 2006-12-18 | 2008-07-03 | Kumagai Gumi Co Ltd | Duct component |
| CN102575538A (en) * | 2009-10-16 | 2012-07-11 | Ti汽车工程中心（海德堡）有限公司 | Sound absorber for a pipe-shaped, cavity-forming body |
| CN102645012A (en) * | 2012-04-28 | 2012-08-22 | 长城汽车股份有限公司 | Combined pipeline type air conditioning silencer |
| CN203771653U (en) * | 2014-03-27 | 2014-08-13 | 广东志高暖通设备股份有限公司 | Silencer |
| CN204063701U (en) * | 2014-08-08 | 2014-12-31 | 中科动力（福建）新能源汽车有限公司 | The electric automobile that a kind of air-conditioning low-voltage tube improves |
| CN104154643A (en) * | 2014-08-14 | 2014-11-19 | 崇州广益机械制造有限公司 | Novel multi-stage buffering type silencer |
| CN104180505A (en) * | 2014-08-14 | 2014-12-03 | 崇州广益机械制造有限公司 | Multistage buffer type noise damper |
| CN204678633U (en) * | 2015-04-17 | 2015-09-30 | 浙江龙腾空调有限公司 | The coaxial automobile air-conditioning pipe of monoblock type |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109607A (en) * | 2017-06-22 | 2019-01-01 | 马勒国际有限公司 | The sound arrester of air-conditioning system for motor vehicles |
| CN109109607B (en) * | 2017-06-22 | 2023-12-26 | 马勒国际有限公司 | Sound insulation device for an air conditioning system of a motor vehicle |
| CN108819653A (en) * | 2018-04-25 | 2018-11-16 | 奇瑞汽车股份有限公司 | Muffler and adjustable muffler model for the design typification muffler |
| CN108819653B (en) * | 2018-04-25 | 2021-12-28 | 奇瑞汽车股份有限公司 | Silencer and adjustable silencer model for designing and shaping silencer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105946502B (en) | 2019-01-29 |
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