CN209370006U - A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor - Google Patents

A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor Download PDF

Info

Publication number
CN209370006U
CN209370006U CN201821875726.XU CN201821875726U CN209370006U CN 209370006 U CN209370006 U CN 209370006U CN 201821875726 U CN201821875726 U CN 201821875726U CN 209370006 U CN209370006 U CN 209370006U
Authority
CN
China
Prior art keywords
compressor
cylinder
silencing cavity
runner
flow passage
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
Application number
CN201821875726.XU
Other languages
Chinese (zh)
Inventor
康炎平
周小东
向红
沈慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Landa Compressor Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201821875726.XU priority Critical patent/CN209370006U/en
Application granted granted Critical
Publication of CN209370006U publication Critical patent/CN209370006U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model provides a kind of compressor self-interference type runner silencing cavity, compressor pump and compressor, is related to the technical field of compressor, solves the larger technical problem of the pneumatic noise of compressor in the prior art in use.The compressor self-interference type runner silencing cavity includes the lower grate flow channel being opened on cylinder and the flange or partition adjacent with cylinder upper/lower terminal, is also provided with the silencing cavity runner communicated with lower grate flow channel on the cylinder and the flange or partition adjacent with cylinder upper/lower terminal.The utility model is used to cut down the pneumatic noise in compressor use process, further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience.

Description

A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor
Technical field
The utility model relates to Compressor Technology fields, more particularly, to a kind of self-interference type runner noise reduction of compressor Chamber, compressor pump 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.After existing compressor channel silencing cavity or the setting of exhaust noise silencing chamber, it is not able to satisfy noise reduction requirement, the gas in use process still It is more larger to flow noise, influences user experience.
Applicants have discovered that at least there is following technical problem in the prior art:
The pneumatic noise of compressor in the prior art in use is larger.
Utility model content
The purpose of this utility model is to provide a kind of compressor self-interference type runner silencing cavity, compressor pump and pressures Contracting machine, to solve the larger technical problem of the pneumatic noise of compressor existing in the prior art in use.This is practical Many technical effects elaboration as detailed below that optimal technical scheme in many technical solutions of novel offer can be generated.
To achieve the above object, the utility model provides following technical scheme:
A kind of compressor provided by the utility model self-interference type runner silencing cavity, including be opened in cylinder and with gas Lower grate flow channel on cylinder upper/lower terminal adjacent flange or partition, the cylinder and the method adjacent with cylinder upper/lower terminal The silencing cavity runner communicated with lower grate flow channel is also provided on blue or partition.
It is optional or preferred, the cross-sectional area phase of the cross-sectional area and silencing cavity runner of the lower grate flow channel Deng.
Optional or preferred, the silencing cavity runner includes upper flow passage, middle part runner and lower flow passage;Wherein,
The upper flow passage is opened on the flange or partition adjacent with cylinder upper end;
The middle part runner be opened in on cylinder;
The lower flow passage is opened on the flange or partition adjacent with cylinder lower end;
The upper flow passage, middle part runner and lower flow passage are successively end to end, and upper flow passage and lower flow passage is another One end is communicated with lower grate flow channel respectively.
Optional or preferred, the lower grate flow channel is cylindrical channel;The middle part runner is cylindrical channel.
Optional or preferred, the diameter of the middle part runner is equal with the diameter of lower grate flow channel;The upper flow passage It is equal with the diameter of lower grate flow channel with the width of lower flow passage.
Optional or preferred, the upper flow passage is by being provided with the lower end surface with cylinder upper end adjacent flanges or partition On groove one and cylinder upper surface between the cavity that constitutes.
Optional or preferred, the lower flow passage is by being provided with the upper surface with cylinder lower end adjacent flanges or partition On groove two and cylinder lower end surface between the cavity that constitutes.
Optional or preferred, the groove one is linear type groove or arcuate furrow, and the groove two is linear type ditch Slot or arcuate furrow.
Optional or preferred, the groove one and groove two are linear type groove.
It is optional or preferred, the lower grate flow channel opened up on the cross section one of the flange or partition adjacent with cylinder upper end It is located at upper flow passage using the center of the cross section one as on the same annulus in the center of circle;The flange adjacent with cylinder lower end or every The lower grate flow channel and lower flow passage opened up on the cross section two of plate is located at using the center of the cross section two as the same of the center of circle On annulus.
Optional or preferred, the compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
Optional or preferred, the compressor is single cylinder compressor, and the upper flow passage, lower flow passage are opened in respectively On the upper flange adjacent with cylinder upper/lower terminal, lower flange.
Optional or preferred, the compressor is duplex cylinder compressor or three cylinder compressors, the upper flow passage, lower part stream Road is opened in the upper spacer adjacent with cylinder upper/lower terminal, on lower clapboard respectively.
A kind of compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity.
A kind of compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect:
(1) compressor provided by the utility model self-interference type runner silencing cavity, due to increasing new silencing cavity stream Road, during compressor operation, the silencing cavity runner newly increased can cut down pneumatic noise, further decrease compressor Pneumatic noise, it is also possible to obtain better user experience.
(2) compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, by In increasing new silencing cavity runner, during compressor operation, the silencing cavity runner newly increased can cut down air-flow and make an uproar Sound further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience.
(3) compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to increasing Adding new silencing cavity runner, during compressor operation, the silencing cavity runner newly increased can cut down pneumatic noise, into The pneumatic noise of one step reduction compressor, it is also possible to obtain better user experience.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of single cylinder compressor silencing cavity in the prior art;
Fig. 2 is the structural schematic diagram of the utility model embodiment 1;
Fig. 3 is the assembling schematic diagram that upper flange and cylinder are assembled to form upper flow passage in the utility model embodiment 1;
Fig. 4 is the structural schematic diagram of upper flange in the embodiment of the present invention 1;
Fig. 5 is the structural schematic diagram of duplex cylinder compressor silencing cavity in the prior art;
Fig. 6 is the structural schematic diagram of the utility model embodiment 2;
Fig. 7 is the assembling schematic diagram that upper spacer and cylinder are assembled to form upper flow passage in the utility model embodiment 2;
Fig. 8 is the structural schematic diagram of compressor pump in the prior art;
Fig. 9 is the structural schematic diagram (structural schematic diagram of compressor pump in embodiment 4) of the utility model embodiment 3.
In figure: 1, cylinder;2, lower grate flow channel;3, silencing cavity runner;301, upper flow passage;302, middle part runner;303, Lower flow passage;4, upper flange;5, lower flange;6, upper spacer;7, lower clapboard;8, bottom silencer;9, groove one;10, crankshaft;11, Upper muffler.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in figs. 1-9:
Arrow direction in Fig. 1, Fig. 2, Fig. 4 and Fig. 5 is airflow direction.
Embodiment 1:
The utility model provides a kind of compressor self-interference type runner silencing cavity, including be opened in cylinder 1 and with Lower grate flow channel 2 on 1 upper/lower terminal of cylinder adjacent flange or partition, the cylinder 1 and with 1 upper/lower terminal phase of cylinder The silencing cavity runner 3 communicated with lower grate flow channel 2 is also provided on adjacent flange or partition.
Compressor provided by the utility model self-interference type runner silencing cavity, due to increasing new silencing cavity runner 3, During compressor operation, the silencing cavity runner 3 newly increased can cut down pneumatic noise, further decrease the gas of compressor Flow noise, it is also possible to obtain better user experience, the arrow direction in Fig. 2 is airflow direction, and fraction can be from lower exhaust Runner 2 enters silencing cavity runner 3, and by returning to lower grate flow channel 2 after silencing cavity runner 3, sound wave can be offset because interfering with each other, It can be thus achieved and pneumatic noise is cut down by silencing cavity runner 3.
As optional embodiment, the cross-sectional area of the lower grate flow channel 2 and the cross section face of silencing cavity runner 3 Product is equal;Since the cross-sectional area of the lower grate flow channel 2 is equal with the cross-sectional area of silencing cavity runner 3, gas is being reduced While flowing noise, other adverse effects will not be generated.
As optional embodiment, the silencing cavity runner 3 includes upper flow passage 301, middle part runner 302 and lower part Runner 303;Wherein,
The upper flow passage 301 is opened on the flange or partition adjacent with 1 upper end of cylinder;
The middle part runner 302 be opened in on cylinder 1;
The lower flow passage 303 is opened on the flange or partition adjacent with 1 lower end of cylinder;
The upper flow passage 301, middle part runner 302 and lower flow passage 303 are successively end to end, and 301 He of upper flow passage The other end of lower flow passage 303 is communicated with lower grate flow channel 2 respectively.
As optional embodiment, the lower grate flow channel 2 is cylindrical channel;The middle part runner 302 is cylinder Shape channel.
As optional embodiment, the diameter d of the middle part runner 302 is equal with the diameter d of lower grate flow channel 2;Institute The width m for stating upper flow passage 301 and lower flow passage 303 is equal with the diameter d of lower grate flow channel 2.
As optional embodiment, the upper flow passage 301 is by being provided with and 1 upper end adjacent flanges of cylinder or partition Lower end surface on groove 1 and cylinder 1 upper surface between the cavity that constitutes.
As optional embodiment, the lower flow passage 303 is by being provided with and 1 lower end adjacent flanges of cylinder or partition Upper surface on groove two and cylinder 1 lower end surface between the cavity that constitutes.
As optional embodiment, the groove 1 is linear type groove or arcuate furrow, and the groove two is straight line Type groove or arcuate furrow (preferably linear type groove).
In the present embodiment, the groove 1 and groove two are linear type groove, and the cross of groove 1 and groove two Cross sectional shape is rectangle;Certainly, the cross-sectional shape of the groove 1 and groove two is not limited to institute in the utility model Disclosed structure can be arbitrary shape, for the ease of processing, preferably linear type groove, and groove 1 and groove two Cross-sectional shape is rectangle.
As optional embodiment, the calculating formula of length of the groove 1 or groove two specifically:
F=c* (2n-1)/(AB+CD+BC-AD);Wherein,
F is noise reduction centre frequency;
C is refrigerant exhaust flow rate;
The natural number that n is 1 or more;
AB be lower 2 center of grate flow channel to 302 center of middle part runner distance (i.e. shown in Fig. 2, from A point to B point away from From);
CD be 302 center of middle part runner to lower 2 center of grate flow channel distance (i.e. shown in Fig. 2, from C point to D point away from From);
BC is the length of middle part runner 302 (i.e. shown in Fig. 2, from B point to the distance of C point);
AD is the length for the lower grate flow channel 2 being provided on cylinder 1 (i.e. shown in Fig. 2, from A point to the distance of D point);
And the length of the groove 1 is equal with the distance at lower 2 center of grate flow channel to 302 center of middle part runner;It is described The length of groove two is equal with the distance at 302 center of middle part runner to lower 2 center of grate flow channel;It in the present embodiment, is with straight The calculating that groove 1 and two length of groove are carried out for line style groove, when groove 1 and groove two are arcuate furrow or other shapes It is equally the length and the distance at lower 2 center of grate flow channel to 302 center of middle part runner by the groove 1 when the groove of shape It is equal;The length of the groove two is with the distance at 302 center of middle part runner to lower 2 center of grate flow channel equal to be calculated, opens up ?.
As optional embodiment, the n is 1,2 or 3 (preferably 1).
As optional embodiment, the lower row that is opened up on the cross section one of the flange adjacent with 1 upper end of cylinder or partition Flow channel 2 and upper flow passage 301 are located at using the center of the cross section one as on the same annulus in the center of circle;With 1 lower end phase of cylinder The lower grate flow channel 2 and lower flow passage 303 opened up on the cross section two of adjacent flange or partition is located at the cross section two Center is on the same annulus in the center of circle, at this point, the groove 1 and groove two are arcuate furrow.
As optional embodiment, the compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors;Generally For, as long as compressor has lower grate flow channel 2, can be disappeared using the compressor self-interference type runner in the utility model Sound chamber cuts down pneumatic noise using the silencing cavity runner 3 newly increased, to further decrease the pneumatic noise of compressor.
In the present embodiment, the compressor is single cylinder compressor, and the upper flow passage 301, lower flow passage 303 are distinguished It is opened in the upper flange 4 adjacent with 1 upper/lower terminal of cylinder, on lower flange 5.
In the present embodiment, the calculation method of the length CD of groove 1 and groove two is as follows:
If noise reduction centre frequency f is 4KHz, refrigerant exhaust flow rate c is about 200m/s, takes n=1;
Calculate to obtain AB+CD+BC-AD=50mm;
AB=CD, BC=AD are taken, then AB=CD=25mm.
Due to for single cylinder compressor, it can opened up respectively on the lower end surface of upper flange 4 and the upper surface of lower flange 5 The cross-sectional area of groove 1 and groove two, groove 1 and groove two is equal to the cross-sectional area of lower grate flow channel 2.
Certainly, the length of the groove 1 and groove two is not limited to length disclosed in the utility model embodiment, only There is silencing cavity runner 3, so that it may cut down pneumatic noise using the silencing cavity runner 3 newly increased, to further decrease compression The pneumatic noise of machine.
Embodiment 2:
The present embodiment 2 and the difference of embodiment 1 are: the compressor is duplex cylinder compressor, the upper flow passage 301, lower flow passage 303 is opened in the upper spacer 6 adjacent with 1 upper/lower terminal of cylinder, on lower clapboard 7 respectively.
In the present embodiment, the groove 1 and groove two are arcuate furrow, and groove 1 and groove two is transversal Face shape is rectangle.
Embodiment 3:
A kind of compressor pump provided by the utility model, including upper muffler 11, bottom silencer 8, crankshaft 10 and on State the compressor self-interference type runner silencing cavity in embodiment 1.
Compressor pump provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to New silencing cavity runner 3 is increased, during compressor operation, the silencing cavity runner 3 newly increased can cut down air-flow and make an uproar Sound further decreases the pneumatic noise of compressor, it is also possible to obtain better user experience;And due to the lower grate flow channel 2 Cross-sectional area it is equal with the cross-sectional area of silencing cavity runner 3, while reducing pneumatic noise, others will not be generated Adverse effect.
Embodiment 4:
A kind of compressor provided by the utility model, including upper muffler 11, bottom silencer 8, crankshaft 10 and above-mentioned reality Apply the compressor self-interference type runner silencing cavity in example 1.
Compressor provided by the utility model, including above-mentioned compressor self-interference type runner silencing cavity, due to increasing New silencing cavity runner 3, during compressor operation, the silencing cavity runner 3 newly increased can cut down pneumatic noise, Further decrease the pneumatic noise of compressor, it is also possible to obtain better user experience;And due to the cross of the lower grate flow channel 2 Area of section is equal with the cross-sectional area of silencing cavity runner 3, while reducing pneumatic noise, will not generate other bad It influences.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (16)

1. a kind of compressor self-interference type runner silencing cavity, including be opened in cylinder (1) and with cylinder (1) upper/lower terminal Lower grate flow channel (2) on adjacent flange or partition, it is characterised in that: the cylinder (1) and with cylinder (1) upper and lower two Hold the silencing cavity runner (3) for being also provided on adjacent flange or partition and communicating with lower grate flow channel (2).
2. compressor according to claim 1 self-interference type runner silencing cavity, it is characterised in that: the lower grate flow channel (2) cross-sectional area is equal with the cross-sectional area of silencing cavity runner (3).
3. compressor according to claim 2 self-interference type runner silencing cavity, it is characterised in that: the silencing cavity runner It (3) include upper flow passage (301), middle part runner (302) and lower flow passage (303);Wherein,
The upper flow passage (301) is opened on the flange or partition adjacent with cylinder (1) upper end;
The middle part runner (302) be opened in cylinder (1) on;
The lower flow passage (303) is opened on the flange or partition adjacent with cylinder (1) lower end;
The upper flow passage (301), middle part runner (302) and lower flow passage (303) are successively end to end, and upper flow passage (301) it is communicated respectively with lower grate flow channel (2) with the other end of lower flow passage (303).
4. compressor according to claim 3 self-interference type runner silencing cavity, it is characterised in that: the lower grate flow channel It (2) is cylindrical channel;The middle part runner (302) is cylindrical channel.
5. compressor according to claim 4 self-interference type runner silencing cavity, it is characterised in that: the middle part runner (302) diameter is equal with the diameter of lower grate flow channel (2);The width of the upper flow passage (301) and lower flow passage (303) with The diameter of lower grate flow channel (2) is equal.
6. compressor according to claim 5 self-interference type runner silencing cavity, it is characterised in that: the upper flow passage It (301) is upper with groove one (9) and the cylinder (1) on the lower end surface of cylinder (1) upper end adjacent flanges or partition by being provided with The cavity constituted between end face.
7. compressor according to claim 6 self-interference type runner silencing cavity, it is characterised in that: the lower flow passage It (303) is by being provided with the lower end surface with groove two and cylinder (1) on the upper surface of cylinder (1) lower end adjacent flanges or partition Between the cavity that constitutes.
8. compressor according to claim 7 self-interference type runner silencing cavity, it is characterised in that: the groove one (9) For linear type groove or arcuate furrow, the groove two is linear type groove or arcuate furrow.
9. compressor according to claim 8 self-interference type runner silencing cavity, it is characterised in that: the groove one (9) It is linear type groove with groove two.
10. compressor according to claim 8 self-interference type runner silencing cavity, it is characterised in that: with cylinder (1) upper end The lower grate flow channel (2) and upper flow passage (301) opened up on the cross section one of adjacent flange or partition is located at described transversal The center in face one is on the same annulus in the center of circle;It is opened up on the cross section two of the flange or partition adjacent with cylinder (1) lower end Lower grate flow channel (2) and lower flow passage (303) are located at using the center of the cross section two as on the same annulus in the center of circle.
11. compressor according to claim 1 or 2 self-interference type runner silencing cavity, it is characterised in that: the compressor For single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
12. the self-interference type runner silencing cavity of the compressor according to any one of claim 3-10, it is characterised in that: The compressor is single cylinder compressor, duplex cylinder compressor or three cylinder compressors.
13. compressor according to claim 12 self-interference type runner silencing cavity, it is characterised in that: the compressor is Single cylinder compressor, the upper flow passage (301), lower flow passage (303) are opened in adjacent with cylinder (1) upper/lower terminal respectively On upper flange (4), lower flange (5).
14. compressor according to claim 12 self-interference type runner silencing cavity, it is characterised in that: the compressor is Duplex cylinder compressor or three cylinder compressors, the upper flow passage (301), lower flow passage (303) be opened in respectively with cylinder (1) on, On the adjacent upper spacer (6) in lower both ends, lower clapboard (7).
15. a kind of compressor pump, it is characterised in that: used certainly including the compressor as described in any one of claim 1-14 Interference-type runner silencing cavity.
16. a kind of compressor, it is characterised in that: including the compressor self-interference as described in any one of claim 1-14 Type runner silencing cavity.
CN201821875726.XU 2018-11-13 2018-11-13 A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor Active CN209370006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821875726.XU CN209370006U (en) 2018-11-13 2018-11-13 A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821875726.XU CN209370006U (en) 2018-11-13 2018-11-13 A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor

Publications (1)

Publication Number Publication Date
CN209370006U true CN209370006U (en) 2019-09-10

Family

ID=67836905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821875726.XU Active CN209370006U (en) 2018-11-13 2018-11-13 A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor

Country Status (1)

Country Link
CN (1) CN209370006U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209832A (en) * 2018-11-13 2019-01-15 珠海凌达压缩机有限公司 A kind of self-interference type runner silencing cavity, compressor pump and compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209832A (en) * 2018-11-13 2019-01-15 珠海凌达压缩机有限公司 A kind of self-interference type runner silencing cavity, compressor pump and compressor

Similar Documents

Publication Publication Date Title
CN209370006U (en) A kind of compressor self-interference type runner silencing cavity, compressor pump and compressor
CN106382231B (en) Active attenuation screw compressor air flow pulsation device
ATE458972T1 (en) MULTIPLE INLET COMPRESSOR SYSTEM
MY182207A (en) Apparatuses, systems, and methods for improved performance of a pressurized system
CN207004830U (en) A kind of inverter screw compressor gas attenuator
JP6776377B2 (en) Rotary cylinder, enthalpy increase, piston type compressor and air conditioner system equipped with it
CN202902574U (en) Air conditioner exhaust silencing device
CN210290254U (en) Centrifugal impeller with splitter blades
CN205714785U (en) A kind of helical-lobe compressor exhaust airstream pulsation dampening and screw compressor system
CN109209832A (en) A kind of self-interference type runner silencing cavity, compressor pump and compressor
CN202746148U (en) Suction muffler of refrigeration compressor
CN109764204A (en) A kind of natural gas vent sound deadener
CN107401510A (en) Compressor air-discharging denoising structure and compressor
CN206175222U (en) Helical -lobe compressor gas device of initiatively attenuateing
ATE423909T1 (en) METHOD FOR OPTIMIZING THE OPERATION OF SEVERAL COMPRESSOR UNITS OF A NATURAL GAS COMPRESSION STATION
CN205064140U (en) Air inlet device
CN204371592U (en) Natural gas compressor silencer and there is the natural gas compressor of this silencer
CN210859225U (en) Self-interference noise reduction flange plate, pump body and compressor
US2474555A (en) Gas line pulsation dampening system
AU2912100A (en) Diffuser without pulsation of the impact interface and method for suppressing impact interface pulsation of diffusers
CN203978847U (en) The pump housing and compressor
CN107781011A (en) A kind of silencer of fast changeable mesh undulator
CN204099209U (en) Rotary compressor noise-reducing structure and there is the rotary compressor of this noise-reducing structure
CN204003461U (en) Compressor pump and there is its compressor
CN207598456U (en) A kind of duct type active flow pulsation damping device for large reciprocating compressor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant