CN208950801U - Noise reduction piece and compressor - Google Patents
Noise reduction piece and compressor Download PDFInfo
- Publication number
- CN208950801U CN208950801U CN201821833664.6U CN201821833664U CN208950801U CN 208950801 U CN208950801 U CN 208950801U CN 201821833664 U CN201821833664 U CN 201821833664U CN 208950801 U CN208950801 U CN 208950801U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- opening
- resonance sound
- absorbing structure
- cavity
- 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.)
- Active
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 115
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 10
- 239000004734 Polyphenylene sulfide Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920001707 polybutylene terephthalate Polymers 0.000 description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- -1 polybutylene terephthalate Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The utility model discloses a noise reduction piece and a compressor, the noise reduction piece comprises a noise reduction body, a first cavity and a first channel are arranged in the noise reduction body, the first channel comprises a first opening and a second opening, the first opening is arranged in the noise reduction body and is communicated with the first cavity, the second opening is arranged on the side wall of the noise reduction body, and the first cavity and the first channel are matched to form a first resonance sound absorption structure; the noise reduction piece further comprises a connecting part used for being connected with the pump body; the noise reduction piece can reduce the noise in the lower cavity of the motor of the compressor; the compressor comprises the noise reduction piece, so that the compressor has the advantage of low noise.
Description
Technical field
The utility model relates to compression device technical fields, more particularly to a kind of noise reduction part and compressor.
Background technique
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system
It is dirty.It is operated after compressing with piston to it, to row from the refrigerant gas of air intake duct sucking low-temp low-pressure by motor
The refrigerant gas of high temperature and pressure is discharged in tracheae, provides power for refrigeration cycle.
However, there is a problem of that noise is too big at the motor cavity of resorption of traditional compressor, the use of compressor is influenced.
Utility model content
Based on this, there is a problem of that noise is too big at the motor cavity of resorption of traditional compressor, proposes a kind of noise reduction part
And compressor, the noise reduction part can reduce noise intracavitary under the motor of compressor；The compressor includes above-mentioned noise reduction part, because
This, which has the small advantage of noise.
Specific technical solution is as follows:
On the one hand, this application involves a kind of noise reduction part, including noise reduction body, the noise reduction body is interior to be equipped with the first cavity and first
Channel, the first passage include the first opening and the second opening, first opening be set in the noise reduction body and with institute
The connection of the first cavity is stated, second opening is set to the side wall of the noise reduction body, first cavity and the first passage
Cooperatively form the first resonance sound-absorbing structure；The noise reduction part further includes the interconnecting piece for connecting with the pump housing.
Above-mentioned noise reduction part is connect with the pump housing when in use, by interconnecting piece, and noise reduction part is set under the motor of compressor
It is intracavitary；Further, since the noise reduction part includes the first cavity and first passage, first cavity and the first passage are matched
It closing and forms the first resonance sound-absorbing structure, intracavitary noise source is in the exhaust outlet of muffler under the motor of compressor, and described first
Resonance sound-absorbing structure is set to intracavitary under the motor of compressor, and the noise that the exhaust ports of muffler generate specific frequency can
So that the air in the first passage is generated covibration, and then consume the energy of noise, weakens noise, to reduce compression
The noise of machine.
Technical solution is illustrated further below:
Shape, second opening are set to the noise reduction body to the noise reduction body in a ring in one of the embodiments,
Inner sidewall.
The noise reduction body further includes the second cavity and second channel, the second channel packet in one of the embodiments,
Third opening and the 4th opening are included, the third opening is set in the noise reduction body and is connected to second cavity, described
4th opening is set to the side wall of the noise reduction body, and second cavity and the second channel cooperatively form the second resonance sound-absorbing
Structure, second resonance sound-absorbing structure and first resonance sound-absorbing structure interval are arranged.
First resonance sound-absorbing structure and second resonance sound-absorbing structure cooperatively form in one of the embodiments,
Resonance sound-absorbing structure group, at least two resonance sound-absorbing structure group being provided at circumferentially spaced along the noise reduction body.
The noise reduction part further includes the first fixing body in one of the embodiments, first fixing body and the noise reduction
One end of body connects, and the interconnecting piece is the card slot of the side wall through first fixing body.
First fixing body is elastomer in one of the embodiments,.
The noise reduction part further includes the second fixing body in one of the embodiments, second fixing body and the noise reduction
The other end of body connects, and second fixing body offers the refrigerant exit of the side wall through second fixing body.
On the other hand, the application further relates to a kind of compressor, including noise reduction part, further includes the pump housing, the interconnecting piece and institute
State pump housing connection.
Above-mentioned compressor is connect with the pump housing when in use, by interconnecting piece, and noise reduction part is set under the motor of compressor
It is intracavitary；Further, since the noise reduction part includes the first cavity and first passage, first cavity and the first passage are matched
It closing and forms the first resonance sound-absorbing structure, intracavitary noise source is in the exhaust outlet of muffler under the motor of compressor, and described first
Resonance sound-absorbing structure is set to intracavitary under the motor of compressor, and the noise that the exhaust ports of muffler generate specific frequency can
So that the air in the first passage is generated covibration, and then consume the energy of noise, weakens noise, to reduce compression
The noise of machine.
Technical solution is illustrated further below:
The compressor further includes muffler in one of the embodiments, and the muffler is set to the pump housing, described
The exhaust outlet of muffler is open towards described second.
The noise reduction part includes the first fixing body, first fixing body and the noise reduction in one of the embodiments,
One end of body connects, and the interconnecting piece is through the card slot of the first installation body sidewall, and the pump housing includes flange, the method
Blue outer wall is equipped with the card convex being engaged by clamping with the card slot.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of noise reduction part；
Fig. 2 is the transverse sectional view of noise reduction body；
Fig. 3 is the longitudinal cross-section schematic diagram of the noise reduction body in an embodiment；
Fig. 4 is the longitudinal cross-section schematic diagram of the noise reduction body in another embodiment；
Fig. 5 is that noise reduction part is mounted on the assembling schematic diagram on flange；
Fig. 6 is the decomposition diagram of noise reduction part and flange；
Fig. 7 is the cross-sectional view of compressor.
Description of symbols:
10, noise reduction part, 200, noise reduction body, the 210, first resonance sound-absorbing structure, the 212, first cavity, 214, first passage,
216, the second opening, the 220, second resonance sound-absorbing structure, the 222, second cavity, 224, second channel, the 226, the 4th opening, 230,
Third resonance sound-absorbing structure, the 300, first fixing body, 310, card slot, the 400, second fixing body, 410, refrigerant exit, 20, flange,
500, card convex, 30, rotor, 40, muffler, 50, stator.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan
On part or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be directly
It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ",
"left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
It is important to point out that when element is referred to as " being fixedly arranged on " another element, two elements can be it is integrated,
It can be and be detachably connected between two elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specifically embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right",
"inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by positional relationship be based on
Positional relationship shown in the drawings；The terms such as " first ", " second " are to distinguish different structure members.These terms are only
Convenient for description the utility model and simplify description, should not be understood as limiting the present invention.
As shown in Figures 1 to 4, one of embodiment noise reduction part 10, including noise reduction body 200 are equipped in noise reduction body 200
First cavity 212 and first passage 214, first passage 214 include the first opening and the second opening 216, and the first opening is set to
It is connected in noise reduction body 200 and with the first cavity 212, the second opening 216 is set to the side wall of noise reduction body 200,212 He of the first cavity
First passage 214 cooperatively forms the first resonance sound-absorbing structure 210；Noise reduction part 10 further includes the interconnecting piece for connecting with the pump housing.
Above-mentioned noise reduction part 10 is connect with the pump housing when in use, by interconnecting piece, and noise reduction part 10 is set to the electricity of compressor
It is intracavitary under machine；Further, since noise reduction part 10 includes the first cavity 212 and first passage 214, the first cavity 212 and first is logical
Road 214 cooperatively forms the first resonance sound-absorbing structure 210, and intracavitary noise source is in the exhaust of muffler 40 under the motor of compressor
Mouthful, the first resonance sound-absorbing structure 210 is set to intracavitary under motor, the noise energy of the exhaust ports generation specific frequency of muffler 40
So that the air in first passage 214 is generated covibration, and then consume the energy of noise, weakens noise, thus reduce
Noise.In this embodiment, the first resonance sound-absorbing structure 210 is helmholtz resonance chamber.In this embodiment, interconnecting piece
It is connect with flange 20.It of courses, in other embodiments, which can also be set to the cavity inner wall of compressor.
As shown in Figure 1, on the basis of the above embodiments, shape, the second opening 216 are set to drop to noise reduction body 200 in a ring
It makes an uproar the inner sidewall of body 200.In this way, when in use, noise reduction body 200 can pass through rotor 30 and be sheathed on the pump housing, install convenient；?
In this embodiment, noise reduction part 200 is set in the outer wall of flange 20；In addition, the second opening 216 is set to the inner wall of noise reduction body,
The noise of the exhaust outlet of muffler 40 can be directly entered the second opening 216, avoid blazing about for noise, in this way, being conducive to
Promote the sound absorption effect of the first resonance sound-absorbing structure 210.
As shown in Fig. 2, further, based on any of the above embodiments, noise reduction body 200 further includes the second cavity 222
With second channel 224, second channel 224 includes third opening and the 4th opening 226, and third opening is set in noise reduction body 200
And be connected to the second cavity 222, the 4th opening 226 is set to the side wall of noise reduction body 200, the second cavity 222 and second channel 224
The second resonance sound-absorbing structure 220 is cooperatively formed, the second resonance sound-absorbing structure 220 and the first resonance sound-absorbing structure 210 interval are arranged.
In this way, corresponding first resonance sound-absorbing structure 210 and the second resonance sound-absorbing structure 220 is arranged, mentions according to the difference of noise frequency
Go up and down the effect for the sound absorption of part 10 of making an uproar.Wherein, the second resonance sound-absorbing structure 220 can be helmholtz resonance chamber.In the embodiment
On the basis of, the first resonance sound-absorbing structure 210 and the second resonance sound-absorbing structure 220 cooperatively form resonance sound-absorbing structure group, at least
Two resonance sound-absorbing structure group being provided at circumferentially spaced along noise reduction body 200.In this way, by least two resonance sound-absorbing structure groups along drop
It makes an uproar being provided at circumferentially spaced of body 200, the uniformity that noise reduction part 10 absorbs sound is promoted, in this way, further promoting the sound absorption of noise reduction part 10
Effect.In this embodiment, the quantity of resonance sound-absorbing structure group is 6, is of coursed, in other embodiments, resonance sound-absorbing
The quantity of structure group can be 2,3 or 3 or more, and particular number is set as needed, as long as it is total to meet at least two
Vibration sound absorption structure group being provided at circumferentially spaced along noise reduction body 200.
As shown in Figure 1, further, based on any of the above embodiments, which further includes the first fixing body
300, the first fixing body 300 is connect with one end of noise reduction body 200, and interconnecting piece is the card slot of the side wall through the first fixing body 300
310.In this way, realizing the connection of noise reduction part 10 and the pump housing, such install convenient by the clamping of the outer wall of card slot 310 and the pump housing；?
In this embodiment, the first fixing body 300 is connect with flange 20, and flange 20 is the upper flange of compressor, and the outer wall of upper flange is set
There is the card convex 500 being engaged by clamping with card slot 310.It is important to point out that the first fixing body 300 can be one with noise reduction body 200
It is body formed or pass through connector connect.
As shown in Figure 1, further, based on any of the above embodiments, which further includes the second fixing body
400, the second fixing body 400 is connect with the other end of noise reduction body 200, and the second fixing body 400 is offered through the second fixing body 400
Side wall refrigerant exit 410.In this way, refrigerant can after the discharge of refrigerant exit 410, can along stator 50 trimming to motor
Epicoele is smoothly discharged.It is important to point out that the second fixing body 400 can be integrated molding with noise reduction body 200 or pass through
Connector connection.
As shown in Figures 2 to 4, further, based on any of the above embodiments, the quantity of noise reduction body 200 is two,
Two noise reduction bodies 200 are set between the first fixing body 300 and the second fixing body 400, in this embodiment, a noise reduction body
The first resonance sound-absorbing structure 210 in 200 and the first resonance sound-absorbing structure 210 in another noise reduction body 200 are separately positioned
And/or the second resonance sound-absorbing structure 220 in a noise reduction body 200 and the second resonance sound-absorbing in another noise reduction body 200
Structure 220 is separately positioned, in this way, promoting the effect of noise reduction, further, this set by two noise reduction bodies 200 of setting
Mode can be to the decrease higher noise of frequency；It of courses, in other embodiments, two noise reduction bodies 200 are integral structures, one
The first resonance sound-absorbing structure 210 in a noise reduction body is connected to shape with the first resonance sound-absorbing structure 210 in another noise reduction body 200
At the second resonance sound-absorbing structure 220 and another noise reduction body in third resonance sound-absorbing structure 230 and/or a noise reduction body 200
In the second resonance sound-absorbing structure 220 connection formed the 4th resonance sound-absorbing structure, in this way, by increase resonance sound-absorbing structure body
Product weakens the lower noise of frequency.Wherein, third resonance sound-absorbing structure 230 and can be for last of the twelve Earthly Branches nurse with the 4th resonance sound-absorbing structure
Hereby resonant cavity suddenly.
Further, based on any of the above embodiments, the first fixing body 300 is elastomer.In this way, convenient for the first peace
Fill the installation of body 300 and the pump housing.Specifically, noise reduction part 10 is that (polybutylene terephthalate gathers to benzene two PBT
Formic acid butanediol ester) material either PPS (polyphenylene sulphide, polyphenylene sulfide) material be made.Because using
PBT material or PPS material pass through injection molding not only handling ease, but also can reduce cost；Secondly, PBT material or PPS material
The material is soft for material, is easy clamping on upper flange；In addition, PBT material or PPS Material texture are lighter, when with metal bump, rub
It is very low to wipe noise, it is not easy to generate quadratic noise.
Further include the pump housing as shown in fig. 7, one of embodiment compressor, including noise reduction part 10, the interconnecting piece with
The pump housing connection.
Above-mentioned compressor is connect with the pump housing when in use, by interconnecting piece, and noise reduction part 10 is set to the motor of compressor
Under it is intracavitary；Further, since noise reduction part 10 includes the first cavity 212 and first passage 214, the first cavity 212 and first passage
214 cooperatively form the first resonance sound-absorbing structure 210, and intracavitary noise source is in the exhaust of muffler 40 under the motor of compressor
Mouthful, the first resonance sound-absorbing structure 210 is set to intracavitary under the motor of compressor, the exhaust ports generation specific frequency of muffler 40
Noise can make the air in first passage 214 generate covibration, and then consume noise energy, weaken noise, thus
The noise reduced.In this embodiment, the first resonance sound-absorbing structure 210 is helmholtz resonance chamber.In this embodiment
In, interconnecting piece is connect with flange 20.It of courses, in other embodiments, which can also be set to the chamber of compressor
Internal wall.
As shown in fig. 7, on the basis of the above embodiments, which further includes muffler 40, muffler 40 is set to
The exhaust outlet of the pump housing, the second opening 216 towards muffler 40 is arranged.In this way, the noise of the exhaust outlet of muffler 40 is directly entered
Second opening 216, avoids blazing about for noise, is conducive to the sound absorption effect of the first resonance sound-absorbing structure 210.Such as the institute of Fig. 5 to 7
Show, on the basis of the above embodiments, the height of the second opening 216 is higher than the height of the exhaust outlet of muffler 40.Due to noise reduction
The upper cover that the exhaust outlet of device 40 is typically toward, the noise of the exhaust outlet of muffler 40 are directly entered the second opening 216, avoid noise
Blaze about, muffler 40 exhaust outlet generate noise generally upwardly propagate, when second opening 216 height be higher than disappear
When the height of the exhaust outlet of sound device 40,
As shown in Figure 5 and Figure 6, on the basis of the above embodiments, noise reduction part 10 includes the first fixing body 300, interconnecting piece
For through the card slot 310 of 300 side wall of the first fixing body, the pump housing includes flange 20, the outer wall of flange 20 is equipped with to be clamped with card slot 310
The card convex 500 of cooperation.In this way, be engaged by clamping by card convex 500 and card slot 310 to realize the installation of flange 20 Yu noise reduction part 10,
Installation process is convenient.In this embodiment, card convex 500 is recessed inwardly by the outer wall of upper flange and is formed.It of courses, in other reality
It applies in example, card convex 500 can also be protruded outward by the outer wall of upper flange and be formed.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of noise reduction part, which is characterized in that including noise reduction body, the first cavity and first passage, institute are equipped in the noise reduction body
Stating first passage includes the first opening and the second opening, first opening be set in the noise reduction body and with it is described first empty
Chamber connection, second opening are set to the side wall of the noise reduction body, and first cavity and the first passage cooperatively form
First resonance sound-absorbing structure；The noise reduction part further includes the interconnecting piece for connecting with the pump housing.
2. noise reduction part according to claim 1, which is characterized in that shape, second opening are set the noise reduction body in a ring
It is placed in the inner sidewall of the noise reduction body.
3. noise reduction part according to claim 2, which is characterized in that the noise reduction body further includes that the second cavity and second are logical
Road, the second channel include third opening and the 4th opening, third opening be set in the noise reduction body and with it is described
The connection of second cavity, the 4th opening are set to the side wall of the noise reduction body, and second cavity and the second channel are matched
It closes and forms the second resonance sound-absorbing structure, second resonance sound-absorbing structure and first resonance sound-absorbing structure interval are arranged.
4. noise reduction part according to claim 3, which is characterized in that first resonance sound-absorbing structure and second resonance
Sound absorption structure cooperatively forms resonance sound-absorbing structure group, and at least two resonance sound-absorbing structure groups are between the circumferential direction of the noise reduction body
Every setting.
5. noise reduction part according to claim 1, which is characterized in that further include the first fixing body, first fixing body with
One end of the noise reduction body connects, and the interconnecting piece is the card slot of the side wall through first fixing body.
6. noise reduction part according to claim 5, which is characterized in that first fixing body is elastomer.
7. noise reduction part according to any one of claims 1 to 6, which is characterized in that it further include the second fixing body, described second
Fixing body is connect with the other end of the noise reduction body, and second fixing body offers the side wall through second fixing body
Refrigerant exit.
8. a kind of compressor, which is characterized in that it further include the pump housing including the described in any item noise reduction parts of claim 1 to 7, institute
Interconnecting piece is stated to connect with the pump housing.
9. compressor according to claim 8, which is characterized in that muffler is gone back, the muffler is set to the pump housing,
The exhaust outlet of the muffler is open towards described second.
10. compressor according to claim 8, which is characterized in that the noise reduction part include the first fixing body, described first
Fixing body is connect with one end of the noise reduction body, and the interconnecting piece is the card slot through the first installation body sidewall, the pump
Body includes flange, and the outer wall of the flange is equipped with the card convex being engaged by clamping with the card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833664.6U CN208950801U (en) | 2018-11-07 | 2018-11-07 | Noise reduction piece and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833664.6U CN208950801U (en) | 2018-11-07 | 2018-11-07 | Noise reduction piece and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950801U true CN208950801U (en) | 2019-06-07 |
Family
ID=66744284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821833664.6U Active CN208950801U (en) | 2018-11-07 | 2018-11-07 | Noise reduction piece and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208950801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209831A (en) * | 2018-11-07 | 2019-01-15 | 珠海格力电器股份有限公司 | Noise reduction piece and compressor |
-
2018
- 2018-11-07 CN CN201821833664.6U patent/CN208950801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209831A (en) * | 2018-11-07 | 2019-01-15 | 珠海格力电器股份有限公司 | Noise reduction piece and compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106979137B (en) | Linearkompressor | |
| CN109209831A (en) | Noise reduction piece and compressor | |
| US8500417B2 (en) | Motorized vacuum pump with sound absorbing unit | |
| CN208950801U (en) | Noise reduction piece and compressor | |
| CN209469550U (en) | A kind of mute air pump mechanism | |
| CN101835978A (en) | Linear compressor | |
| US20120034114A1 (en) | Linear compressor | |
| CN104481885B (en) | Compressor | |
| CN101230852A (en) | Minitype hermetically sealed compressor with exhaustion resonator | |
| CN208918780U (en) | Muffler and compressor with it | |
| CN208749519U (en) | The pump housing and its electromagnetism diaphragm pump | |
| CN208396940U (en) | Flange, amortization structure and compressor | |
| CN203809304U (en) | Rotary compressor exhaust structure and rotary compressor with same | |
| CN104675676B (en) | A kind of air suction structure of refrigeration compressor | |
| CN109072892A (en) | Linearkompressor | |
| CN206738117U (en) | The air inflow noise elimination system and its extended-range electric vehicle of a kind of air pressure pump | |
| CN110195693A (en) | Linearkompressor | |
| CN101871444A (en) | Muffler | |
| CN103511283B (en) | The muffler of compressor and there is its compressor | |
| CN109209823A (en) | A kind of noise-reducing structure and compressor | |
| CN208900311U (en) | A kind of noise-reducing structure and compressor | |
| CN107246368A (en) | The air inflow noise elimination system and its extended-range electric vehicle of a kind of air pressure pump | |
| CN208996947U (en) | Variable-capacity pump body assembly and compressor with same | |
| CN201963522U (en) | Cover for air cylinder of compressor | |
| CN207935048U (en) | Reciprocating compressor air suction silencer and reciprocating compressor with it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |